Find flights
Deals
When to book
Airlines
FAQs
United Kingdom
GBP

Cheap flights from the United States to London from £157

LAX — LON
8 Nov — 15 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from USA to London

Enter your travel dates to find the best prices.

Cheapest flights from USA to London

Mon 19/1020:30 -
Nonstop8h 30m
Fri 30/1012:35 -
Nonstop9h 40m
Deal found 4/10£387
Mon 19/1020:30 -
Nonstop8h 30m
Sun 1/1112:35 -
Nonstop9h 40m
Deal found 5/10£400
Mon 19/1020:30 -
Nonstop8h 30m
Wed 2/1209:45 -
Nonstop9h 40m
Deal found 5/10£400
Thu 26/1121:40 -
1 stop13h 10m
Thu 3/1210:40 -
1 stop13h 30m
Deal found 7/10£415
Thu 3/1221:40 -
1 stop13h 10m
Thu 10/1210:40 -
1 stop13h 30m
Deal found 8/10£415
Wed 11/1122:00 -
1 stop12h 05m
Wed 18/1106:55 -
2 stops15h 55m
Deal found 5/10£475
Sun 18/1018:20 -
Nonstop7h 00m
Thu 5/1110:40 -
1 stop14h 25m
Deal found 3/10£476
Sun 22/1117:35 -
2 stops42h 25m
Wed 25/1117:00 -
1 stop27h 45m
Deal found 4/10£477
Wed 16/1219:25 -
1 stop17h 00m
Sun 10/107:00 -
1 stop16h 00m
Deal found 4/10£478
Wed 11/1122:00 -
1 stop12h 05m
Tue 17/1106:30 -
2 stops16h 20m
Deal found 4/10£478
Wed 11/1101:00 -
1 stop9h 45m
Fri 20/1106:00 -
2 stops16h 50m
Deal found 5/10£479
Tue 20/1017:10 -
1 stop23h 25m
Fri 30/1019:30 -
1 stop25h 15m
Deal found 4/10£480

Find flight deals from USA to London

Round-trip from

£387

One-way from

£157

Popular in

June

Cheapest in

January

Average price

£522

Good round-trip deal

£246 or less

Good one-way deal

£181 or less
Norse Atlantic UK
  • Norse Atlantic UK
  • 19/10-30/10
  • Nonstop
  • 18h 10m total
  • USA to London
Norse Atlantic UK
  • Norse Atlantic UK
  • 19/10-31/12
  • Nonstop
  • 8h 30m total
  • USA to London
Highest demand for flights based on searches. 15% potential increase in price (£76 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Average for round-trip flights in October 2026
Price to beat on a round-trip flight from USA to London (LON).
Price to beat on a one-way flight from USA to London (LON).

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

OrlandoLondon

MCO Orlando - LGW London Gatwick

MCOLGW

Orlando

Mon 19/10

20:30-10:00

Nonstop8h 30m

London Gatwick

Wed 31/12

00:00-18:00

Nonstop0h 00m

£169

BostonLondon

BOS Boston Logan Intl - LHR London Heathrow

BOSLHR

Boston Logan Intl

Wed 11/11

19:15-06:50

Nonstop6h 35m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£223

BostonLondon

BOS Boston Logan Intl - LHR London Heathrow

BOSLHR

Boston Logan Intl

Sun 6/12

22:11-09:55

Nonstop6h 44m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£223

BostonLondon

BOS Boston Logan Intl - LHR London Heathrow

BOSLHR

Boston Logan Intl

Sun 6/12

18:25-21:00

1 stop21h 35m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£223

NewarkLondon

EWR Newark - LHR London Heathrow

EWRLHR

Newark

Thu 19/11

18:30-06:30

Nonstop7h 00m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£223

BostonLondon

BOS Boston Logan Intl - LHR London Heathrow

BOSLHR

Boston Logan Intl

Sun 1/11

18:25-21:00

1 stop21h 35m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£223

BostonLondon

BOS Boston Logan Intl - LHR London Heathrow

BOSLHR

Boston Logan Intl

Sat 7/11

19:15-06:50

Nonstop6h 35m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£223

BostonLondon

BOS Boston Logan Intl - LHR London Heathrow

BOSLHR

Boston Logan Intl

Fri 6/11

19:15-06:50

Nonstop6h 35m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£223

NewarkLondon

EWR Newark - LHR London Heathrow

EWRLHR

Newark

Tue 16/2

21:35-09:30

Nonstop6h 55m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£223

BostonLondon

BOS Boston Logan Intl - LHR London Heathrow

BOSLHR

Boston Logan Intl

Sun 22/11

18:25-21:00

1 stop21h 35m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£223

Flights are sorted by cheapest return flights first.

Deals found on 6/10

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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.
Estimated return price

Cheapflights Insights

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

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 £498). Flying from USA to London in June is currently the most expensive (average of £923). 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 24% 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 (58 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (49 on average).

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

About 15% of weekly flights between United States and London have experienced delays in the past year, with the average delay time being 161 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.

Food

7.3

Crew

8.4

Comfort

7.7

Overall

7.8

Boarding

7.8

Entertainment

7.2

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

Food

7.3

Crew

8.4

Comfort

7.7

Overall

7.8

Boarding

7.8

Entertainment

7.2

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

Food

7.3

Crew

8.4

Comfort

7.7

Overall

7.8

Boarding

7.8

Entertainment

7.2

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

Food

7.3

Crew

8.4

Comfort

7.7

Overall

7.8

Boarding

7.8

Entertainment

7.2

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

Food

7.3

Crew

8.4

Comfort

7.7

Overall

7.8

Boarding

7.8

Entertainment

7.2

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

Food

7.3

Crew

8.4

Comfort

7.7

Overall

7.8

Boarding

7.8

Entertainment

7.2

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 £409, Norse Atlantic UK can have you in London from USA in 8h 30m. USA and London are separated by a distance of 4342 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 £68. 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?

  • 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: SriLankan Airlines (93%), KLM (90%), SAUDIA( 90%).

  • What are the cheapest flights from USA to London?

    While on average a flight from USA to London is generally £849, our data shows the cheapest flight currently is £283. When looking at the most popular route, (New York John F Kennedy Intl - London Heathrow), you can expect to pay £266 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 £498). Flying from USA to London in June is currently the most expensive (average of £923). 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

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Milton Keynes
Luton
Slough
Wembley
Gatwick
Ilford
Hayes
Croydon
Colchester
Eastbourne
Enfield
Brentford
Southend-on-Sea
Barnet
Southall
Watford
Kingston upon Thames
Dagenham
Dover

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for USA to London

Top 10 airlines flying from USA to London

AirlineCheapestAverageFlexibilityOn-time
Norse Atlantic UKCheapest£125Average£506FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
DeltaCheapest£198Average£829FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
British AirwaysCheapest£216Average£750FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapest£228Average£757FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest£238Average£717FlexibilityNo cancel feeOn-time75%
Search KLM flights
JetBlueCheapest£239Average£605FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
TAP AIR PORTUGALCheapest£241Average£481FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Aer LingusCheapest£316Average£625FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Virgin AtlanticCheapest£325Average£704FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
FinnairCheapest£326Average£705FlexibilityNo cancel feeOn-time76%
Search Finnair 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.