How long is the flight from USA to London?

For as low as £499, Scandinavian Airlines can have you in London from USA in 19h 50m. USA and London are separated by a distance of 3254 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 Newark - London Heathrow, New York John F Kennedy Intl - London Heathrow or Washington, D.C. Dulles Intl - London Heathrow 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 £1,372, our data shows the cheapest flight currently is £232. When looking at the most popular route, (Newark - London Heathrow), you can expect to pay £370 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 (96%), SriLankan Airlines (92%), Air Canada( 92%).

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.

£142+ 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 10 August 2026.

Sat 10/1017:10 -

2 stops38h 45m

Tue 13/1007:05 -

1 stop13h 35m

Deal found 7/8£392

Sat 3/1018:20 -

Nonstop7h 00m

Mon 5/1019:55 -

2 stops31h 30m

Deal found 8/8£392

Fri 2/1018:20 -

Nonstop7h 00m

Mon 5/1019:55 -

2 stops31h 30m

Deal found 7/8£393

Fri 2/1018:55 -

2 stops37h 00m

Mon 5/1007:05 -

1 stop13h 35m

Deal found 7/8£394

Fri 18/917:10 -

2 stops34h 45m

Mon 21/907:05 -

2 stops14h 55m

Deal found 6/8£395

Sat 17/1018:20 -

Nonstop7h 00m

Fri 23/1013:05 -

Nonstop7h 50m

Deal found 8/8£396

Fri 18/918:20 -

Nonstop7h 00m

Fri 25/913:05 -

Nonstop7h 50m

Deal found 4/8£396

Fri 2/1018:55 -

2 stops37h 00m

Sun 4/1021:05 -

2 stops23h 35m

Deal found 6/8£397

Thu 15/1018:20 -

Nonstop7h 00m

Sat 24/1013:05 -

Nonstop7h 50m

Deal found 4/8£397

Fri 25/918:55 -

1 stop13h 40m

Sun 27/906:40 -

2 stops15h 20m

Deal found 7/8£398

Fri 27/1119:25 -

2 stops20h 55m

Sun 6/1206:30 -

2 stops16h 30m

Deal found 7/8£398

Sun 20/918:20 -

Nonstop7h 00m

Fri 25/913:05 -

Nonstop7h 50m

Deal found 5/8£398

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 10 August 2026.

Sat 24/1017:50 -

1 stop19h 50m

Wed 28/1019:50 -

2 stops24h 50m

Deal found 5/8£499

Tue 15/923:50 -

1 stop33h 00m

Mon 21/920:10 -

1 stop30h 50m

Deal found 4/8£507

Fri 11/923:10 -

1 stop31h 35m

Sun 27/915:40 -

1 stop32h 40m

Deal found 5/8£512

Fri 9/1022:00 -

Nonstop7h 20m

Sun 11/1008:40 -

1 stop10h 55m

Deal found 9/8£540

Fri 30/1001:10 -

1 stop28h 40m

Sat 7/1110:10 -

1 stop16h 25m

Deal found 6/8£551

Fri 21/816:15 -

1 stop10h 40m

Sun 23/806:50 -

1 stop11h 10m

Deal found 8/8£576

Wed 21/1019:50 -

1 stop15h 50m

Thu 29/1010:55 -

1 stop29h 00m

Deal found 5/8£579

Thu 12/1116:40 -

1 stop12h 00m

Sat 14/1110:30 -

1 stop13h 25m

Deal found 9/8£580

Thu 1/1022:05 -

1 stop29h 55m

Mon 5/1017:25 -

1 stop29h 20m

Deal found 7/8£585

Fri 4/1221:50 -

Nonstop6h 55m

Mon 7/1207:30 -

1 stop16h 35m

Deal found 9/8£597

Fri 23/1019:05 -

Nonstop6h 40m

Wed 28/1008:40 -

1 stop10h 33m

Deal found 8/8£602

Sat 5/1219:15 -

Nonstop6h 35m

Thu 10/1208:40 -

1 stop10h 40m

Deal found 4/8£603

Wed 19/818:20 -

Nonstop7h 00m

Wed 26/815:45 -

1 stop35h 45m

Deal found 5/8£605

Tue 3/1118:30 -

Nonstop7h 00m

Tue 10/1116:25 -

Nonstop8h 10m

Deal found 8/8£608

Fri 25/916:15 -

1 stop11h 10m

Tue 29/909:25 -

1 stop12h 10m

Deal found 8/8£609

Sun 20/918:55 -

2 stops14h 40m

Tue 29/907:05 -

1 stop13h 35m

Deal found 6/8£499

Tue 13/1017:40 -

1 stop19h 00m

Mon 19/1021:05 -

2 stops23h 30m

Deal found 6/8£501

Sat 23/100:10 -

2 stops15h 30m

Sun 31/109:05 -

1 stop17h 55m

Deal found 6/8£552

Tue 29/912:50 -

1 stop16h 05m

Thu 15/1017:35 -

1 stop22h 20m

Deal found 6/8£579

Tue 13/1023:50 -

1 stop31h 25m

Sat 17/1013:00 -

1 stop14h 00m

Deal found 8/8£582

Tue 22/909:35 -

Nonstop6h 50m

Tue 13/1013:50 -

1 stop11h 25m

Deal found 6/8£595

Tue 3/1119:05 -

Nonstop7h 00m

Fri 13/1107:30 -

1 stop16h 35m

Deal found 7/8£597

Thu 12/1120:00 -

Nonstop6h 50m

Mon 16/1108:40 -

1 stop15h 21m

Deal found 6/8£602

Thu 20/818:30 -

Nonstop7h 15m

Wed 26/811:45 -

1 stop10h 20m

Deal found 8/8£603

Tue 8/1217:35 -

2 stops18h 25m

Mon 14/1206:40 -

1 stop14h 05m

Deal found 6/8£501

Tue 13/1017:30 -

2 stops21h 55m

Sun 25/1009:05 -

1 stop17h 55m

Deal found 8/8£555

Fri 25/914:59 -

1 stop10h 56m

Thu 1/1014:05 -

1 stop12h 25m

Deal found 5/8£611

Thu 5/1113:59 -

1 stop11h 26m

Wed 11/1108:55 -

2 stops16h 36m

Deal found 6/8£614

Mon 5/1019:50 -

1 stop21h 20m

Wed 14/1006:55 -

1 stop16h 00m

Deal found 4/8£580

Fri 16/1008:20 -

Nonstop7h 20m

Tue 20/1013:50 -

1 stop11h 25m

Deal found 4/8£595

Find flight deals from USA to London

Round-trip from	£392
One-way from	£142
Popular in	June
Cheapest in	September
Average price	£529
Good round-trip deal	£179 or less
Good one-way deal	£151 or less

Scandinavian Airlines
10/10-13/10
3 total stops
52h 20m total
USA to London

Search Deals

Norse Atlantic UK
2/9
Nonstop
7h 00m total
USA to London

Search Deals

Highest demand for flights based on searches. 21% potential increase in price (£98 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£13 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 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

BostonLondon

BOS Boston Logan Intl - LHR London Heathrow

BOSLHR

Boston Logan Intl

Sat 24/10

17:50-18:40

1 stop19h 50m

London Heathrow

Wed 28/10

19:50-16:40

2 stops24h 50m

£499

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Sun 20/9

18:55-14:35

2 stops14h 40m

London Heathrow

Tue 29/9

07:05-15:40

1 stop13h 35m

£499

BostonLondon

BOS Boston Logan Intl - LHR London Heathrow

BOSLHR

Boston Logan Intl

Tue 13/10

17:40-17:40

1 stop19h 00m

London Heathrow

Mon 19/10

21:05-15:35

2 stops23h 30m

£501

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Tue 8/12

17:35-17:00

2 stops18h 25m

London Heathrow

Mon 14/12

06:40-15:45

1 stop14h 05m

£501

New YorkLondon

JFK New York John F Kennedy Intl - LGW London Gatwick

JFKLGW

New York John F Kennedy Intl

Tue 15/9

23:50-13:50

1 stop33h 00m

London Gatwick

Mon 21/9

20:10-22:00

1 stop30h 50m

£507

New YorkLondon

JFK New York John F Kennedy Intl - LGW London Gatwick

JFKLGW

New York John F Kennedy Intl

Fri 11/9

23:10-11:45

1 stop31h 35m

London Gatwick

Sun 27/9

15:40-19:20

1 stop32h 40m

£512

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Fri 9/10

22:00-10:20

Nonstop7h 20m

London Heathrow

Sun 11/10

08:40-14:35

1 stop10h 55m

£540

NewarkLondon

EWR Newark - LGW London Gatwick

EWRLGW

Newark

Fri 30/10

01:10-09:50

1 stop28h 40m

London Gatwick

Sat 7/11

10:10-21:35

1 stop16h 25m

£551

NewarkLondon

EWR Newark - LGW London Gatwick

EWRLGW

Newark

Sat 23/1

00:10-20:40

2 stops15h 30m

London Gatwick

Sun 31/1

09:05-22:00

1 stop17h 55m

£552

NewarkLondon

EWR Newark - LGW London Gatwick

EWRLGW

Newark

Tue 13/10

17:30-20:25

2 stops21h 55m

London Gatwick

Sun 25/10

09:05-23:00

1 stop17h 55m

£555

Flights are sorted by cheapest return flights first.

Deals found on 8/8

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.

BOS-LHR

JFK-LGW

JFK-LHR

EWR-LGW

JFK-STN

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

BOS-LHR

JFK-LGW

JFK-LHR

EWR-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 £481). Flying from USA to London in June is currently the most expensive (average of £901). 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 evening. By choosing this option you can save up to 6% 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 163 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,Virgin Atlantic, andUnited Airlines 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

1,555 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

KLM

7.8

Good

1,555 reviews

KLM

7.8

Good

1,555 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Virgin Atlantic

7.5

Good

694 reviews

KLM

7.8

Good

1,555 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

United Airlines

7.4

Good

10,095 reviews

KLM

7.8

Good

1,555 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Norse Atlantic UK

7.2

Good

KLM

7.8

Good

1,555 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

British Airways

6.7

Okay

8,153 reviews

KLM

7.8

Good

1,555 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Related info for your journey

How long is the flight from USA to London?
For as low as £499, Scandinavian Airlines can have you in London from USA in 19h 50m. USA and London are separated by a distance of 3254 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 Newark - London Heathrow, New York John F Kennedy Intl - London Heathrow or Washington, D.C. Dulles Intl - London Heathrow 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 (96%), SriLankan Airlines (92%), Air Canada( 92%).
What are the cheapest flights from USA to London?
While on average a flight from USA to London is generally £1,372, our data shows the cheapest flight currently is £232. When looking at the most popular route, (Newark - London Heathrow), you can expect to pay £370 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 £481). Flying from USA to London in June is currently the most expensive (average of £901). 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

Milton Keynes

Gatwick

Luton

Wembley

Slough

Ilford

Hayes

Croydon

Colchester

Eastbourne

Brentford

Watford

Southend-on-Sea

Enfield

Kingston upon Thames

Southall

Dover

Romford

Borehamwood

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

Newark to Heathrow flights

John F Kennedy Intl to Heathrow flights

Dulles Intl to Heathrow flights

LaGuardia to Heathrow flights

Newark to Gatwick flights

John F Kennedy Intl to Stansted flights

Boston to Heathrow flights

Baltimore to Heathrow flights

John F Kennedy Intl to Gatwick flights

John F Kennedy Intl 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

LaGuardia to Gatwick flights

Dallas/Fort Worth to Heathrow flights

Pearson Intl to Gatwick flights

Vancouver Intl to Heathrow flights

Seattle to Heathrow flights

Mexico City to Heathrow flights

Boston to Gatwick flights

Atlanta to Heathrow flights

Newark to London City flights

Newark to Stansted flights

Orlando to Heathrow flights

Reagan-National to Heathrow flights

Miami to Heathrow flights

Dulles Intl to Gatwick flights

Hobby to Heathrow flights

Dulles Intl to London City flights

Newark to Luton flights

Denver to Heathrow flights

John F Kennedy Intl to Edinburgh flights

Boston to London City flights

Newark to Edinburgh flights

Los Angeles to Gatwick flights

Philadelphia to Heathrow flights

Boston to Stansted flights

Pierre Elliott Trudeau Intl to Heathrow flights

Pearson Intl to London City flights

Pearson Intl to Stansted flights

Los Angeles to Stansted flights

Baltimore to Gatwick flights

George Bush Intcntl to Heathrow flights

San Francisco to Gatwick flights

Reagan-National to Gatwick flights

Mexico City to Gatwick flights

O'Hare Intl to Gatwick flights

Top 10 airlines flying from USA to London

Airline	Cheapest	Average	Flexibility	On-time
Norse Atlantic UK	Cheapest£122	Average£500	FlexibilityNo cancel fee	On-timeN/A	Search Norse Atlantic UK flights
Delta	Cheapest£194	Average£780	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
KLM	Cheapest£233	Average£664	FlexibilityNo cancel fee	On-time75%	Search KLM flights
JetBlue	Cheapest£234	Average£495	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£486	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Finnair	Cheapest£330	Average£656	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Iberia	Cheapest£330	Average£694	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
Lufthansa	Cheapest£350	Average£596	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Air France	Cheapest£357	Average£711	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 £142

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/9. 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 10 August 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 10 August 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 10 August 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 10 August 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 10 August 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 10 August 2026.

Last-minute flights from USA to LondonDiscover last-minute flight deals from USA to London. Data last updated 10 August 2026 and is based on user searches.

Discover last-minute flight deals from USA to London. Data last updated 10 August 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 10 August 2026.

Search for one-way flight options from USA to London. Find affordable one-way fares based on user searches. Data last updated 10 August 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 10 August 2026.

It’s optimal to fly from USA to London in the evening. By choosing this option you can save up to 6% 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 10 August 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 163 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 8 August 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,Virgin Atlantic, andUnited Airlines 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 10 August 2026.

USA and London flights

Browse other USA and London flight options. Last updated on 10 August 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 10 August 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 10 August 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 10 August 2026.

Last-minute flights from USA to London
Discover last-minute flight deals from USA to London. Data last updated 10 August 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 10 August 2026.