How long is the flight from USA to London?

For as low as £506, Scandinavian Airlines can have you in London from USA in 9h 45m. USA and London are separated by a distance of 3458 mi. Both multi-stop and direct flights can be found to your destination and back.

What are the cheapest airlines to fly from USA to London one-way?

The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as £66. However, be on the lookout for offers from TAP AIR PORTUGAL and Norse Atlantic UK, as they are both options that can get you from USA to London for a low price.

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What are the most popular routes from USA to London?

When deciding which route to take from USA to London consider New York John F Kennedy Intl - London Heathrow, Newark - London Heathrow or New York John F Kennedy Intl - London Gatwick as they are the most popular.

What are the cheapest flights from USA to London?

While on average a flight from USA to London is generally £1,379, our data shows the cheapest flight currently is £269. When looking at the most popular route, (New York John F Kennedy Intl - London Heathrow), you can expect to pay £378 for that flight.

What are the most reliable airlines from USA to London?

Before booking your flight to London from USA, check out the most reliable airlines to get you to your destination on time: SAUDIA (90%), Delta (90%), Virgin Atlantic( 90%).

What are the most popular airlines that fly from USA to London?

Consider British Airways, Virgin Atlantic or United Airlines when booking your flight. These represent the most popular airlines when flying from USA to London.

Can I find deals for flights from USA to London that include hotel bookings?

Yes. In addition to deals on USA to London flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from USA to London?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from USA to London.

Can I find deals for business class flights from USA to London?

Yes. Cheapflights offers flight deals from USA to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£153+ Cheap Flights from the United States to London

Cheap flight deals from USA to London

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from USA to London
Explore the most affordable flight options available from USA to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2026.

Mon 30/1119:50 -

1 stop10h 00m

Fri 4/1220:35 -

1 stop26h 15m

Deal found 12/9£377

Tue 24/1116:25 -

2 stops23h 15m

Sun 6/1208:25 -

2 stops33h 50m

Deal found 11/9£379

Tue 24/1116:25 -

2 stops24h 25m

Sun 6/1208:30 -

2 stops33h 45m

Deal found 11/9£379

Thu 29/1014:25 -

2 stops14h 50m

Sun 8/1120:10 -

2 stops24h 35m

Deal found 13/9£391

Thu 29/1011:55 -

2 stops17h 20m

Sun 8/1120:10 -

2 stops24h 28m

Deal found 13/9£393

Sat 5/1217:00 -

1 stop9h 55m

Tue 15/1211:25 -

1 stop13h 04m

Deal found 11/9£396

Thu 1/1016:55 -

1 stop9h 55m

Tue 6/1011:35 -

1 stop15h 50m

Deal found 13/9£406

Thu 1/1016:55 -

1 stop10h 25m

Tue 6/1013:10 -

1 stop14h 15m

Deal found 13/9£410

Mon 12/1016:45 -

2 stops19h 10m

Mon 19/1020:40 -

2 stops24h 06m

Deal found 11/9£444

Tue 13/1015:30 -

1 stop10h 00m

Tue 20/1009:30 -

1 stop10h 06m

Deal found 13/9£444

Wed 14/1021:05 -

1 stop11h 25m

Wed 21/1016:50 -

1 stop10h 35m

Deal found 14/9£444

Fri 25/923:55 -

1 stop16h 25m

Fri 2/1013:10 -

1 stop14h 15m

Deal found 10/9£444

Best flights from USA to London
Discover carefully curated flight deals from USA to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 September 2026.

Thu 15/1017:10 -

2 stops14h 45m

Tue 20/1021:05 -

2 stops23h 35m

Deal found 12/9£483

Thu 3/1222:00 -

2 stops17h 35m

Tue 8/1221:20 -

2 stops27h 45m

Deal found 12/9£502

Wed 18/1113:10 -

1 stop13h 00m

Wed 25/1113:00 -

1 stop13h 31m

Deal found 13/9£502

Tue 3/1101:00 -

1 stop9h 45m

Wed 11/1110:00 -

1 stop12h 15m

Deal found 14/9£506

Sun 4/1023:20 -

1 stop31h 35m

Mon 19/1021:25 -

1 stop26h 55m

Deal found 13/9£516

Wed 2/1221:50 -

Nonstop6h 55m

Sun 6/1210:20 -

1 stop13h 45m

Deal found 14/9£516

Sat 31/1023:05 -

1 stop29h 55m

Sun 15/1110:00 -

1 stop12h 50m

Deal found 11/9£519

Wed 11/1120:00 -

Nonstop6h 50m

Sun 15/1108:40 -

1 stop10h 33m

Deal found 11/9£529

Wed 4/1117:00 -

1 stop10h 10m

Tue 10/1118:55 -

1 stop21h 25m

Deal found 13/9£530

Tue 24/1107:30 -

Nonstop6h 30m

Sun 6/1217:00 -

Nonstop7h 40m

Deal found 13/9£541

Thu 5/1107:10 -

1 stop9h 30m

Sun 8/1109:20 -

Nonstop7h 55m

Deal found 12/9£593

Wed 25/1109:55 -

1 stop16h 15m

Sun 29/1120:05 -

1 stop25h 55m

Deal found 11/9£601

Fri 13/1112:50 -

1 stop22h 30m

Tue 17/1117:20 -

1 stop22h 35m

Deal found 12/9£610

Sun 27/916:25 -

1 stop21h 25m

Tue 29/919:45 -

1 stop23h 40m

Deal found 14/9£621

Fri 6/1120:59 -

1 stop31h 46m

Sun 15/1111:40 -

1 stop13h 20m

Deal found 9/9£871

Sun 15/1117:35 -

2 stops23h 00m

Thu 19/1110:20 -

1 stop34h 25m

Deal found 12/9£499

Sun 11/1022:05 -

2 stops32h 15m

Tue 20/1021:15 -

2 stops27h 50m

Deal found 12/9£502

Fri 25/919:29 -

1 stop30h 26m

Mon 28/906:50 -

2 stops21h 40m

Deal found 12/9£515

Mon 28/1221:10 -

Nonstop7h 15m

Wed 13/110:10 -

Nonstop8h 20m

Deal found 13/9£519

Tue 23/220:05 -

Nonstop7h 05m

Sat 6/307:30 -

1 stop16h 35m

Deal found 10/9£523

Sat 26/908:15 -

Nonstop6h 55m

Wed 30/920:05 -

Nonstop7h 45m

Deal found 12/9£534

Wed 18/1116:00 -

1 stop9h 50m

Sun 22/1108:40 -

2 stops15h 53m

Deal found 14/9£539

Thu 1/1020:05 -

Nonstop6h 55m

Thu 8/1020:10 -

Nonstop7h 25m

Deal found 10/9£542

Mon 5/1018:10 -

1 stop11h 05m

Wed 7/1007:00 -

1 stop12h 20m

Deal found 14/9£520

Fri 4/1217:35 -

2 stops35h 00m

Sat 12/1206:40 -

1 stop14h 05m

Deal found 14/9£522

Thu 4/319:25 -

1 stop10h 30m

Wed 17/311:55 -

1 stop11h 05m

Deal found 13/9£579

Thu 10/1222:00 -

2 stops17h 35m

Mon 14/1210:40 -

1 stop14h 25m

Deal found 10/9£532

Wed 30/918:30 -

Nonstop7h 15m

Mon 5/1008:20 -

Nonstop8h 10m

Deal found 13/9£534

Wed 4/1115:00 -

1 stop11h 50m

Sun 8/1108:40 -

2 stops15h 55m

Deal found 11/9£540

Tue 5/114:25 -

2 stops14h 25m

Thu 14/110:40 -

1 stop14h 25m

Deal found 11/9£607

Find flight deals from USA to London

Round-trip from	£377
One-way from	£153
Popular in	June
Cheapest in	January
Average price	£515
Good round-trip deal	£241 or less
Good one-way deal	£167 or less

Icelandair
30/11-4/12
2 total stops
36h 15m total
USA to London

Search Deals

British Airways
16/2-31/12
1 total stop
12h 18m total
USA to London

Search Deals

Highest demand for flights based on searches. 18% potential increase in price (£84 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£12 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Price to beat on a round-trip flight from USA to London (LON).

Search Deals

Price to beat on a one-way flight from USA to London (LON).

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

New YorkLondon

JFK New York John F Kennedy Intl - STN London Stansted

JFKSTN

New York John F Kennedy Intl

Wed 14/10

13:25-21:55

1 stop27h 30m

London Stansted

Wed 31/12

00:00-18:00

Nonstop0h 00m

£176

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Sun 25/10

20:25-10:50

1 stop10h 25m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£216

NewarkLondon

EWR Newark - LGW London Gatwick

EWRLGW

Newark

Sun 6/12

23:55-20:35

1 stop15h 40m

London Gatwick

Wed 31/12

00:00-18:00

Nonstop0h 00m

£217

New YorkLondon

JFK New York John F Kennedy Intl - LGW London Gatwick

JFKLGW

New York John F Kennedy Intl

Sat 10/10

23:50-10:15

1 stop29h 25m

London Gatwick

Wed 31/12

00:00-18:00

Nonstop0h 00m

£217

NewarkLondon

EWR Newark - LGW London Gatwick

EWRLGW

Newark

Mon 7/12

00:45-20:35

1 stop14h 50m

London Gatwick

Wed 31/12

00:00-18:00

Nonstop0h 00m

£218

Fastest return journey

BostonLondon

BOS Boston Logan Intl - LHR London Heathrow

BOSLHR

Boston Logan Intl

Mon 9/11

21:30-09:15

Nonstop6h 45m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£219

NewarkLondon

EWR Newark - LHR London Heathrow

EWRLHR

Newark

Wed 23/9

08:20-20:40

Nonstop7h 20m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£219

NewarkLondon

EWR Newark - LHR London Heathrow

EWRLHR

Newark

Wed 30/12

22:00-10:25

Nonstop7h 25m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£219

NewarkLondon

EWR Newark - LHR London Heathrow

EWRLHR

Newark

Fri 11/12

18:30-06:30

Nonstop7h 00m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£219

NewarkLondon

EWR Newark - LHR London Heathrow

EWRLHR

Newark

Sun 15/11

21:05-09:10

Nonstop7h 05m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£219

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from USA to London

Have a flexible travel schedule? Discover the best time to fly to London from USA with our price prediction graph.

JFK-STN

JFK-LHR

EWR-LGW

JFK-LGW

BOS-LHR

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from the United States to London

US0-LON

JFK-STN

JFK-LHR

EWR-LGW

JFK-LGW

What is the cheapest month to book a flight from USA to London?

Currently, February is the cheapest month in which you can book a flight from USA to London (average of £485). Flying from USA to London in June is currently the most expensive (average of £902). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from US to LON?

It’s optimal to fly from USA to London in the morning. By choosing this option you can save up to 10% on the cost of your flight, compared to a flight at midday.

Weekly flight availability from USA to London

The most flights from US0 to LON are scheduled on a Monday (57 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (52 on average).

How often are flights from the United States to London delayed?

About 16% of weekly flights between United States and London have experienced delays in the past year, with the average delay time being 159 minutes.

What is the most punctual flight time for the United States to London flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on the United States to London flights?

Over the past year, Virgin Atlantic have had the lowest number of delays on this route, with just 11% of flights being delayed.

How far ahead should I book a flight from USA to London?

To ensure you get the cheapest price possible for a flight from USA to London, you should look to book at least 29 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest day to fly from USA to London?

Travellers seeking maximum savings on their USA to London flight should consider departing on Saturday evenings when fares are most often at their lowest. Monday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing London

Check out reviews from past customers who have flown with KLM,United Airlines, andVirgin Atlantic from the United States to London to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

KLM

7.8

Good

1,580 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

KLM

7.8

Good

1,580 reviews

KLM

7.8

Good

1,580 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

United Airlines

7.4

Good

10,209 reviews

KLM

7.8

Good

1,580 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

Virgin Atlantic

7.4

Good

694 reviews

KLM

7.8

Good

1,580 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

Norse Atlantic UK

7.2

Good

KLM

7.8

Good

1,580 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

British Airways

6.7

Okay

8,222 reviews

KLM

7.8

Good

1,580 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

Related info for your journey

How long is the flight from USA to London?
For as low as £506, Scandinavian Airlines can have you in London from USA in 9h 45m. USA and London are separated by a distance of 3458 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines to fly from USA to London one-way?
The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as £66. However, be on the lookout for offers from TAP AIR PORTUGAL and Norse Atlantic UK, as they are both options that can get you from USA to London for a low price.
What are the most popular routes from USA to London?
When deciding which route to take from USA to London consider New York John F Kennedy Intl - London Heathrow, Newark - London Heathrow or New York John F Kennedy Intl - London Gatwick as they are the most popular.
What are the most reliable airlines from USA to London?
Before booking your flight to London from USA, check out the most reliable airlines to get you to your destination on time: SAUDIA (90%), Delta (90%), Virgin Atlantic( 90%).
What are the cheapest flights from USA to London?
While on average a flight from USA to London is generally £1,379, our data shows the cheapest flight currently is £269. When looking at the most popular route, (New York John F Kennedy Intl - London Heathrow), you can expect to pay £378 for that flight.
Can I find deals for flights from USA to London that include hotel bookings?
Yes. In addition to deals on USA to London flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from USA to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from USA to London.
Can I find deals for business class flights from USA to London?
Yes. Cheapflights offers flight deals from USA to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from USA to London?
Currently, February is the cheapest month in which you can book a flight from USA to London (average of £485). Flying from USA to London in June is currently the most expensive (average of £902). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Hounslow

Luton

Milton Keynes

Gatwick

Wembley

Slough

Ilford

Hayes

Croydon

Colchester

Eastbourne

Brentford

Enfield

Southend-on-Sea

Barnet

Southall

Watford

Kingston upon Thames

Dagenham

Dover

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to England

Flights by cabin class

London flight routes

Other flight options

Popular flights

Top destinations

Alternative routes for USA to London

John F Kennedy Intl to Heathrow flights

Newark to Heathrow flights

John F Kennedy Intl to Gatwick flights

Newark to Gatwick flights

John F Kennedy Intl to Stansted flights

LaGuardia to Heathrow flights

John F Kennedy Intl to London City flights

Dulles Intl to Heathrow flights

Boston to Heathrow flights

LaGuardia to Gatwick flights

Baltimore to Heathrow flights

Newark to London City flights

Los Angeles to Heathrow flights

Pearson Intl to Heathrow flights

San Francisco to Heathrow flights

O'Hare Intl to Heathrow flights

Newark to Stansted flights

Dallas/Fort Worth to Heathrow flights

Mexico City to Heathrow flights

Newark to Luton flights

Pearson Intl to Gatwick flights

Vancouver Intl to Heathrow flights

Seattle to Heathrow flights

Dulles Intl to Gatwick flights

Orlando to Heathrow flights

Boston to Gatwick flights

Miami to Heathrow flights

Boston to London City flights

Reagan-National to Heathrow flights

Atlanta to Heathrow flights

Dulles Intl to London City flights

Boston to Stansted flights

Philadelphia to Heathrow flights

Mexico City to Gatwick flights

Los Angeles to Gatwick flights

Pearson Intl to London City flights

Los Angeles to Stansted flights

Los Angeles to London City flights

Baltimore to Gatwick flights

San Francisco to Gatwick flights

Denver to Heathrow flights

Pierre Elliott Trudeau Intl to Heathrow flights

O'Hare Intl to Gatwick flights

Toronto Island to Heathrow flights

Pearson Intl to Stansted flights

LaGuardia to Stansted flights

Dulles Intl to Luton flights

Mexico City to London City flights

Top 10 airlines flying from USA to London

Airline	Cheapest	Average	Flexibility	On-time
Norse Atlantic UK	Cheapest£122	Average£487	FlexibilityNo cancel fee	On-timeN/A	Search Norse Atlantic UK flights
Delta	Cheapest£194	Average£773	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
KLM	Cheapest£233	Average£696	FlexibilityNo cancel fee	On-time75%	Search KLM flights
JetBlue	Cheapest£233	Average£592	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
TAP AIR PORTUGAL	Cheapest£236	Average£476	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Aer Lingus	Cheapest£310	Average£612	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Virgin Atlantic	Cheapest£318	Average£679	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Finnair	Cheapest£319	Average£705	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Iberia	Cheapest£330	Average£706	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
Air France	Cheapest£359	Average£748	FlexibilityNo cancel fee	On-time77%	Search Air France flights

Fly with Cheapflights

How does Cheapflights help users find flights from USA to London?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from USA to London. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from USA to London?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from USA to London.

Can Cheapflights find flights from USA to London with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from USA to London, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from USA to London become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from the United States to London from £153

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/2. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from USA to London

Cheapest flights from USA to LondonExplore the most affordable flight options available from USA to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2026.

Explore the most affordable flight options available from USA to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2026.

Best flights from USA to LondonDiscover carefully curated flight deals from USA to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 September 2026.

Discover carefully curated flight deals from USA to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 September 2026.

Direct flights from USA to LondonExplore direct flight options from USA to London based on user searches, and compare prices and availability for your desired travel dates. Data last updated 15 September 2026.

Explore direct flight options from USA to London based on user searches, and compare prices and availability for your desired travel dates. Data last updated 15 September 2026.

Last-minute flights from USA to LondonDiscover last-minute flight deals from USA to London. Data last updated 15 September 2026 and is based on user searches.

Discover last-minute flight deals from USA to London. Data last updated 15 September 2026 and is based on user searches.

One-way flights from USA to LondonSearch for one-way flight options from USA to London. Find affordable one-way fares based on user searches. Data last updated 15 September 2026.

Search for one-way flight options from USA to London. Find affordable one-way fares based on user searches. Data last updated 15 September 2026.

Find flight deals from USA to London

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

Use the filters below to find and compare flights from the United States to London that are best for you.

Best time to book a flight from USA to London

Have a flexible travel schedule? Discover the best time to fly to London from USA with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from USA to London?

What is the cheapest time of day to fly from US to LON?

Find hourly flight availability from USA to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 September 2026.

It’s optimal to fly from USA to London in the morning. By choosing this option you can save up to 10% on the cost of your flight, compared to a flight at midday.

Weekly flight availability from USA to London

Explore weekly flight availability from USA to London. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 15 September 2026.

The most flights from US0 to LON are scheduled on a Monday (57 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (52 on average).

How often are flights from the United States to London delayed?

About 16% of weekly flights between United States and London have experienced delays in the past year, with the average delay time being 159 minutes.

What is the most punctual flight time for the United States to London flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on the United States to London flights?

Over the past year, Virgin Atlantic have had the lowest number of delays on this route, with just 11% of flights being delayed.

How far ahead should I book a flight from USA to London?

To ensure you get the cheapest price possible for a flight from USA to London, you should look to book at least 29 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest day to fly from USA to London?

Use this chart to determine the cheapest time to fly return from USA to London. Price data was last updated on 12 September 2026.

Travellers seeking maximum savings on their USA to London flight should consider departing on Saturday evenings when fares are most often at their lowest. Monday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing London

Check out reviews from past customers who have flown with KLM,United Airlines, andVirgin Atlantic from the United States to London to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from USA to London?

What are the cheapest airlines to fly from USA to London one-way?

What are the most popular routes from USA to London?

What are the most reliable airlines from USA to London?

What are the cheapest flights from USA to London?

Can I find deals for flights from USA to London that include hotel bookings?

How can I find direct flights from USA to London?

Can I find deals for business class flights from USA to London?

What is the cheapest month to book a flight from USA to London?

Travelling to a place near London?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for USA to London

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to London by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to England

Book a non-stop flight to one of these other cities located in England.

Search flights from USA to London by cabin class

Find flights from USA to London, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to London

Explore flights to London departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 15 September 2026.

USA and London flights

Browse other USA and London flight options. Last updated on 15 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

USA to London flights

Consider these flights travelling from USA to London.

Top 10 airlines flying from USA to London

Fly with Cheapflights

How does Cheapflights help users find flights from USA to London?

Cheapest flights from USA to London
Explore the most affordable flight options available from USA to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2026.

Best flights from USA to London
Discover carefully curated flight deals from USA to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 September 2026.

Direct flights from USA to London
Explore direct flight options from USA to London based on user searches, and compare prices and availability for your desired travel dates. Data last updated 15 September 2026.

Last-minute flights from USA to London
Discover last-minute flight deals from USA to London. Data last updated 15 September 2026 and is based on user searches.

One-way flights from USA to London
Search for one-way flight options from USA to London. Find affordable one-way fares based on user searches. Data last updated 15 September 2026.