Cheap flights from London to the United States from £256
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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from London to USA
Keep the following information in mind while searching for London to USA flight deals. Data was last updated 13 July 2025.
Round-trip from | £329 |
---|---|
One-way from | £256 |
Popular in | August |
Cheapest in | September |
Average price | £499 |
Good round-trip deal | £333 or less |
Good one-way deal | £204 or less |
Find flight deals from London to USA
Cheapest flights from London to USAExplore the most affordable flight options available from London to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 July 2025.
Explore the most affordable flight options available from London to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 July 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from London to USA 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 13 July 2025.
Use the filters below to find and compare flights from London to the United States that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
LondonNew York
LGW - JFK
LGWJFK
London Gatwick
Wed 6/8
15:05-18:05
Nonstop8h 00m
New York John F Kennedy Intl
Wed 13/8
20:05-08:10
Nonstop7h 05m
LondonNew York
LHR - LGA
LHRLGA
London Heathrow
Mon 10/11
07:40-19:03
2 stops16h 23m
New York LaGuardia
Sat 22/11
19:29-10:50
1 stop10h 21m
LondonNew York
STN - JFK
STNJFK
London Stansted
Mon 22/9
10:30-21:40
1 stop16h 10m
New York John F Kennedy Intl
Wed 15/10
23:25-21:25
2 stops17h 00m
LondonNew York
LHR - JFK
LHRJFK
London Heathrow
Thu 4/9
09:50-16:50
1 stop12h 00m
New York John F Kennedy Intl
Sat 13/9
18:25-09:05
1 stop9h 40m
LondonNew York
LTN - JFK
LTNJFK
London Luton
Wed 3/9
13:00-17:00
2 stops33h 00m
New York John F Kennedy Intl
Sun 14/9
17:10-21:30
2 stops23h 20m
LondonNew York
LGW - JFK
LGWJFK
London Gatwick
Mon 3/11
18:40-13:05
1 stop23h 25m
New York John F Kennedy Intl
Sat 8/11
20:55-17:50
1 stop15h 55m
LondonNew York
LHR - LGA
LHRLGA
London Heathrow
Fri 31/10
08:55-19:02
2 stops14h 07m
New York LaGuardia
Sun 9/11
13:05-07:10
1 stop13h 05m
LondonNew York
LHR - JFK
LHRJFK
London Heathrow
Fri 12/9
08:40-16:35
1 stop12h 55m
New York John F Kennedy Intl
Sat 4/10
09:00-06:30
1 stop16h 30m
LondonNew York
LGW - JFK
LGWJFK
London Gatwick
Sat 22/11
11:55-18:20
1 stop11h 25m
New York John F Kennedy Intl
Sat 29/11
19:25-10:55
1 stop10h 30m
LondonNew York
LGW - LGA
LGWLGA
London Gatwick
Mon 29/9
12:20-23:45
2 stops16h 25m
New York LaGuardia
Sun 5/10
07:00-08:35
2 stops20h 35m
Best time to book a flight from London to USA
Have a flexible travel schedule? Discover the best time to fly to USA from London with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from London to the United States
What is the cheapest month to book a flight from London to USA?
Currently, January is the cheapest month in which you can book a flight from London to USA (average of £575). Flying from London to USA in July is currently the most expensive (average of £811). 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 LON to US?
Find hourly flight availability from London to USA. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 July 2025.
When flying from London to USA, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from London to USA
Explore weekly flight availability from London to USA. 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 13 July 2025.
The most flights from LON to US0 are scheduled on a Monday (57 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (56 on average).
Reviews of airlines servicing USA
Get insights into the airlines that provide service to USA. 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 USA. Reviews last updated 13 July 2025.
Read through reviews of airlines operating flights from London to the United States, such as Delta, Austrian Airlines, andFinnair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
Crew
Entertainment
Food
Overall
Comfort
Reviews
Colin,Sept 2024
LHR - BOS
Boarding
Crew
Entertainment
Food
Overall
Comfort
Reviews
Colin,Sept 2024
LHR - BOS
Boarding
Crew
Entertainment
Food
Overall
Comfort
Reviews
Colin,Sept 2024
LHR - BOS
Boarding
Crew
Entertainment
Food
Overall
Comfort
Reviews
Colin,Sept 2024
LHR - BOS
Boarding
Crew
Entertainment
Food
Overall
Comfort
Reviews
Colin,Sept 2024
LHR - BOS
Boarding
Crew
Entertainment
Food
Overall
Comfort
Reviews
Colin,Sept 2024
LHR - BOS
Related info for your journey
Find useful and relevant information for your journey from London to USA. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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 London to USA
See prices for flight routes from nearby airports that may be better suited for you.
Top 10 airlines flying from London to USA
Discover the top 10 airlines that operate flights from London to USA. 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 13 July 2025.
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 London to USA?
Cheapflights makes it easy to find London to USA flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from London to USA?
Cheapflights helps you find that perfect flight to USA from London by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from London to USA with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from London to USA, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from London to USA become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to USA from London today and book when prices fit your budget.