Cheap flights from the United States to London from £203

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 28/7. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LON
23 Jul — 30 Jul1
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
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 23 June 2026.

Sun 9/806:30
LGA
-
LHR
1 stop22h 30m
Multiple Airlines
Mon 17/821:10
LHR
-
LGA
3 stops30h 25m
Multiple Airlines
Deal found 22/6£539
Fri 18/917:10
JFK
-
LHR
1 stop11h 25m
Scandinavian Airlines
Fri 25/906:40
LHR
-
JFK
2 stops15h 20m
Scandinavian Airlines
Deal found 22/6£539
Wed 22/723:55
JFK
-
STN
1 stop18h 25m
Multiple Airlines
Wed 29/706:30
STN
-
JFK
1 stop20h 55m
Multiple Airlines
Deal found 22/6£539
Sun 2/818:20
JFK
-
LGW
Nonstop7h 00m
Norse Atlantic UK
Sun 9/813:05
LGW
-
JFK
Nonstop7h 50m
Norse Atlantic UK
Deal found 22/6£539
Mon 9/1108:10
JFK
-
LHR
Nonstop6h 50m
Multiple Airlines
Thu 12/1112:15
LHR
-
JFK
1 stop10h 45m
Multiple Airlines
Deal found 22/6£540
Wed 15/718:20
JFK
-
LGW
Nonstop7h 00m
Norse Atlantic UK
Tue 18/813:05
LGW
-
JFK
Nonstop7h 50m
Norse Atlantic UK
Deal found 22/6£540
Mon 10/810:40
LGA
-
LHR
1 stop18h 20m
Multiple Airlines
Fri 21/807:40
LHR
-
LGA
2 stops14h 15m
Multiple Airlines
Deal found 22/6£541
Fri 14/822:05
JFK
-
LHR
1 stop15h 45m
Multiple Airlines
Tue 1/913:05
LHR
-
JFK
1 stop14h 00m
Multiple Airlines
Deal found 22/6£541
Tue 4/823:55
JFK
-
STN
1 stop17h 25m
Multiple Airlines
Sun 9/808:30
STN
-
JFK
1 stop10h 10m
Multiple Airlines
Deal found 22/6£541
Tue 14/723:10
JFK
-
LGW
1 stop10h 30m
Icelandair
Wed 19/815:40
LGW
-
JFK
1 stop11h 25m
Icelandair
Deal found 22/6£541
Tue 11/815:30
LGA
-
LHR
1 stop10h 00m
Multiple Airlines
Mon 24/821:10
LHR
-
LGA
2 stops24h 45m
Multiple Airlines
Deal found 19/6£542
Sun 30/820:30
JFK
-
LHR
1 stop10h 25m
Icelandair
Thu 3/913:05
LHR
-
JFK
1 stop14h 00m
Icelandair
Deal found 21/6£542

Find flight deals from USA to London

Keep the following information in mind while searching for USA to London flight deals. Data was last updated 23 June 2026.

Round-trip from

£539

One-way from

£203

Popular in

June

Cheapest in

September

Average price

£660

Good round-trip deal

£343 or less

Good one-way deal

£206 or less
9/8-17/8
  • 9/8-17/8
  • 4 total stops
  • 52h 55m total
  • USA to London
28/7
  • 28/7
  • 2 total stops
  • 17h 30m total
  • USA to London
Highest demand for flights based on searches. 19% potential increase in price (£86 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£14 potential savings vs. average return price).
Average for round-trip flights in June 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

 
Customise your flight search to find flights from USA to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 23 June 2026.
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

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 9/10

19:10-07:20

Nonstop7h 10m

London Heathrow

Fri 16/10

07:30-19:10

1 stop16h 40m

£584

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Fri 4/12

22:05-09:00

1 stop29h 55m

London Gatwick

Wed 9/12

10:00-17:50

1 stop12h 50m

£584

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 3/9

19:05-06:45

Nonstop6h 40m

London Heathrow

Mon 21/12

09:40-12:30

Nonstop7h 50m

£589

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 2/10

23:10-10:40

Nonstop6h 30m

London Heathrow

Mon 5/10

16:05-18:50

Nonstop7h 45m

£589

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 10/8

18:00-06:20

Nonstop7h 20m

London Heathrow

Mon 31/8

11:45-14:56

Nonstop8h 11m

£589

New YorkLondon

JFK - STN

JFKSTN

New York John F Kennedy Intl

Thu 8/10

06:50-09:55

1 stop22h 05m

London Stansted

Wed 14/10

17:45-04:35

1 stop15h 50m

£590

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 10/8

18:55-16:00

1 stop16h 05m

London Heathrow

Mon 17/8

21:05-15:40

2 stops23h 35m

£592

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 24/7

20:30-07:55

1 stop30h 25m

London Heathrow

Mon 27/7

07:00-14:20

1 stop12h 20m

£594

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 14/8

10:40-06:30

1 stop14h 50m

London Heathrow

Fri 21/8

07:25-17:40

1 stop15h 15m

£595

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 3/9

18:00-06:20

Nonstop7h 20m

London Heathrow

Sat 3/10

06:30-12:33

1 stop11h 03m

£599

Flights are sorted by cheapest return flights first.

Deals found on 20/6

Showing 1-10 of 60 resultsSorted by cheapest first
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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
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

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 £493). Flying from USA to London in June is currently the most expensive (average of £898). 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?

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 23 June 2026.

It’s optimal to fly from USA to London in the morning. By choosing this option you can save up to 8% 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 23 June 2026.

The most flights from US0 to LON are scheduled on a Monday (54 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (48 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 162 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?

Tuesday 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 20 June 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. Sunday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated 23 June 2026.
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.

Entertainment

7.2

Food

7.3

Comfort

7.7

Crew

8.4

Boarding

7.8

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

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

Entertainment

7.2

Food

7.3

Comfort

7.7

Crew

8.4

Boarding

7.8

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

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

Entertainment

7.2

Food

7.3

Comfort

7.7

Crew

8.4

Boarding

7.8

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

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

Entertainment

7.2

Food

7.3

Comfort

7.7

Crew

8.4

Boarding

7.8

Overall

7.8

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

Entertainment

7.2

Food

7.3

Comfort

7.7

Crew

8.4

Boarding

7.8

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

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

Entertainment

7.2

Food

7.3

Comfort

7.7

Crew

8.4

Boarding

7.8

Overall

7.8

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

Find useful and relevant information for your journey from USA to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from USA to London?

    For as low as £589, Finnair can have you in London from USA in 6h 40m. 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 £67. However, be on the lookout for offers from JetBlue 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: KLM (92%), Air France (92%), Delta( 92%).

  • What are the cheapest flights from USA to London?

    While on average a flight from USA to London is generally £1,510, our data shows the cheapest flight currently is £275. When looking at the most popular route, (New York John F Kennedy Intl - London Heathrow), you can expect to pay £399 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 £493). Flying from USA to London in June is currently the most expensive (average of £898). 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
Wembley
Luton
Gatwick
Croydon
Slough
Ilford
Hayes
Brentford
Colchester
Kingston upon Thames
Eastbourne
Watford
Guildford
Romford
Ipswich
Borehamwood
Folkestone
Southall

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for USA to London

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

Top 10 airlines flying from USA to London

Discover the top 10 airlines that operate flights from USA to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 23 June 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£198Average£778FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
KLMCheapest£238Average£586FlexibilityNo cancel feeOn-time75%
Search KLM flights
TAP AIR PORTUGALCheapest£240Average£486FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Norse Atlantic UKCheapest£290Average£471FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
Aer LingusCheapest£316Average£446FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
FinnairCheapest£337Average£659FlexibilityNo cancel feeOn-time76%
Search Finnair flights
IberiaCheapest£337Average£671FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Scandinavian AirlinesCheapest£355Average£454FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
LufthansaCheapest£357Average£446FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£358Average£634FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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!

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