Cheap flights from London Heathrow Airport to the United States from £260

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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LAX
30 Nov — 7 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to USA

Keep the following information in mind while searching for Heathrow to USA flight deals. Data was last updated 31 October 2025.

Round-trip from

£338

One-way from

£260

Popular in

December

Cheapest in

September

Average price

£423

Good round-trip deal

£424 or less

Good one-way deal

£300 or less
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 5/12-7/12
  • 2 total stops
  • 26h 30m total
  • London to USA
9/2
  • 9/2
  • 2 total stops
  • 29h 10m total
  • London to USA
Highest demand for flights based on searches. 4% potential increase in price (£15 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).
Average for round-trip flights in October 2025
Price to beat on a round-trip flight from London Heathrow to USA.
Price to beat on a one-way flight from London Heathrow to USA.

Find flight deals from Heathrow to USA

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to USA
Explore the most affordable flight options available from Heathrow to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 October 2025.

Fri 5/1212:25LHR - BOS
1 stop12h 45mTAP AIR PORTUGAL
Sun 7/1222:45BOS - LHR
1 stop13h 45mTAP AIR PORTUGAL
Deal found 30/10£338
Thu 4/1208:15LHR - BOS
1 stop16h 55mTAP AIR PORTUGAL
Mon 8/1218:05BOS - LHR
1 stop18h 25mTAP AIR PORTUGAL
Deal found 30/10£340
Fri 5/1212:25LHR - BOS
1 stop12h 45mTAP AIR PORTUGAL
Mon 8/1218:05BOS - LHR
1 stop13h 35mTAP AIR PORTUGAL
Deal found 29/10£341
Thu 4/1219:55LHR - BOS
1 stop23h 40mTAP AIR PORTUGAL
Sun 7/1222:45BOS - LHR
1 stop13h 45mTAP AIR PORTUGAL
Deal found 29/10£343
Thu 20/1106:00LHR - BOS
1 stop19h 10mTAP AIR PORTUGAL
Sun 30/1122:45BOS - LHR
1 stop13h 45mTAP AIR PORTUGAL
Deal found 30/10£344
Sun 14/1208:15LHR - BOS
1 stop16h 55mTAP AIR PORTUGAL
Sun 11/118:05BOS - LHR
1 stop18h 25mTAP AIR PORTUGAL
Deal found 28/10£353
Tue 9/1208:15LHR - JFK
1 stop16h 50mTAP AIR PORTUGAL
Mon 19/122:00JFK - LHR
1 stop18h 35mTAP AIR PORTUGAL
Deal found 29/10£354
Wed 12/1112:15LHR - EWR
1 stop11h 10mIcelandair
Wed 19/1119:35EWR - LHR
1 stop18h 55mIcelandair
Deal found 30/10£355
Sat 6/1206:00LHR - BOS
1 stop19h 10mTAP AIR PORTUGAL
Sat 31/118:05BOS - LHR
1 stop13h 35mTAP AIR PORTUGAL
Deal found 30/10£356
Thu 13/1112:15LHR - EWR
1 stop11h 10mIcelandair
Sun 23/1119:35EWR - LHR
1 stop10h 15mIcelandair
Deal found 30/10£359
Tue 9/1206:00LHR - BOS
1 stop13h 45mTAP AIR PORTUGAL
Sat 10/122:25BOS - LHR
1 stop15h 30mTAP AIR PORTUGAL
Deal found 30/10£362
Mon 8/1208:15LHR - JFK
1 stop16h 50mTAP AIR PORTUGAL
Sat 17/122:00JFK - LHR
1 stop12h 30mTAP AIR PORTUGAL
Deal found 30/10£362

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow 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 31 October 2025.
Use the filters below to find and compare flights from London Heathrow Airport to the United States that are best for you.

Fly from

Heathrow

Fly to

USA

Route

Depart

Return

Price

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 2/4

13:45-20:45

1 stop12h 00m

Boston Logan Intl

Thu 9/4

22:45-22:05

1 stop18h 20m

£356

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Mon 12/1

18:50-22:00

1 stop32h 10m

New York John F Kennedy Intl

Sun 18/1

23:45-09:10

1 stop28h 25m

£365

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 14/11

12:15-17:50

1 stop10h 35m

Boston Logan Intl

Wed 19/11

19:50-19:30

1 stop18h 40m

£378

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sat 31/1

09:55-20:55

1 stop16h 00m

Boston Logan Intl

Sat 7/2

22:40-09:10

1 stop29h 30m

£389

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sun 23/11

12:15-17:50

1 stop10h 35m

Boston Logan Intl

Sat 6/12

19:50-10:50

1 stop10h 00m

£391

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sun 23/11

12:15-17:50

1 stop10h 35m

Boston Logan Intl

Sat 13/12

11:35-10:50

1 stop18h 15m

£396

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 25/11

20:35-10:35

1 stop19h 00m

Boston Logan Intl

Tue 2/12

19:50-19:30

1 stop18h 40m

£396

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 26/11

12:15-17:50

1 stop10h 35m

Boston Logan Intl

Fri 12/12

19:50-19:30

1 stop18h 40m

£396

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Wed 3/12

13:45-16:40

1 stop31h 55m

New York John F Kennedy Intl

Tue 9/12

10:05-07:10

1 stop16h 05m

£410

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Mon 2/2

06:40-18:35

1 stop16h 55m

Miami

Mon 9/2

20:40-21:20

2 stops19h 40m

£411

Flights are sorted by cheapest return flights first.

Deals found on 29/10

Showing 1-10 of 60 results
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Best time to book a flight from Heathrow to USA

Have a flexible travel schedule? Discover the best time to fly to USA from Heathrow 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 London Heathrow Airport to the United States

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

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to USA (average of £314). Flying from London Heathrow Airport to USA in June is currently the most expensive (average of £348). 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 LHR to US?

Find hourly flight availability from Heathrow 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 31 October 2025.

It’s typically best to fly out from London Heathrow Airport to USA in the evening. Doing so could potentially save you 11% on the flight price compared to flying at midday, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly return from Heathrow to USA. Price data was last updated on 26 October 2025.

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

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 31 October 2025.
Read reviews from past customers who have flown with Finnair, Virgin Atlantic, andUnited Airlines from London Heathrow Airport to the United States. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

7.6

Overall

7.6

Food

6.7

Crew

8.1

Comfort

7.4

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Boarding

7.6

Overall

7.6

Food

6.7

Crew

8.1

Comfort

7.4

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Boarding

7.6

Overall

7.6

Food

6.7

Crew

8.1

Comfort

7.4

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Boarding

7.6

Overall

7.6

Food

6.7

Crew

8.1

Comfort

7.4

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Boarding

7.6

Overall

7.6

Food

6.7

Crew

8.1

Comfort

7.4

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Boarding

7.6

Overall

7.6

Food

6.7

Crew

8.1

Comfort

7.4

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to USA. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airports serve USA to London Heathrow flights?

    Direct and indirect flights to London Heathrow from the USA are plentiful. Routes to London Heathrow (LHR) are operated from over 25 major international airports in the USA. The busiest departure airports include Los Angeles Airport (LAX), John F Kennedy International Airport (JFK), Miami International Airport (MIA) and Logan International Airport (BOS) in Boston. They are all major international hubs for their regions and offer excellent local transport connections to their respective cities. All have high-quality passenger amenities, including lounges, on-site hotels, restaurants and retail. London Heathrow is the UK’s busiest airport and a major international hub with excellent passenger amenities. With some of the best local transport links in the UK, it connects with central London and the wider UK travel network by train, bus, taxi and the 'Tube', London’s underground rail network.

  • Which airlines fly directly from the USA to London Heathrow?

    From LAX, you can fly directly to London Heathrow with providers like Virgin, Finnair and Air France. The journey will take around 10h 15min. You can also fly direct from JFK with airlines such as Iberia, British Airways and JetBlue in approximately 7h 25min. There are plenty of options for flying out of Miami International (MIA), with airlines such as KLM, Qatar Airways and British Airways offering direct flights every week. This route takes around 8h 40min. Logan International Airport in Boston has direct flights to Heathrow with Virgin Atlantic, British Airways, Qatar Airways and Iberia, among others. Flight times are around 6h 25min.

  • What are the stopover options between USA to London Heathrow?

    There are numerous stopover options on this route. You could take an SAS flight from LAX to London Heathrow via Copenhagen with a 7h 50min stopover. The total flight time on this route is 21h 20min. Alternatively, Aeromexico fly out of LAX via its home hub of Mexico City (MEX), where you'll have a 4h 10min layover. For Heathrow flights from JFK, Aer Lingus fly via Dublin with a 1h 55min transit. Lufthansa also operate this route, stopping in Munich (MUC) for 1h 20min, while KLM connects via Amsterdam (AMS) with a 50min stopover. From Miami, you can take a United Airlines flight to Heathrow via Chicago O'Hare International. The stopover here takes 3h 12min. The same airline also offers flights transiting through Frankfurt (FRA), Washington Dulles (IAD) or Newark (EWR). Alitalia, meanwhile, will bring you from Miami to Heathrow via Rome Fiumicino (FCO). From Boston, you can fly with TAP Air Portugal via Lisbon (LIS) or with Jetblue via JFK.

  • Do I need a passport or visa to fly from the USA to London Heathrow?

    If you are travelling on a United States passport, you do not need a visa to visit the UK as a tourist for stays of up to six months. You must ensure that your passport is valid beyond the date of return travel, and you may be asked to present a return flight ticket. 

  • How long is the flight from London Heathrow Airport to USA?

    Airlines like TAP AIR PORTUGAL, LEVEL, and Icelandair fly from London Heathrow Airport to USA in about 10h 35m. The time it takes to get you to your destination can typically vary by up to 21h 35m. London Heathrow Airport and USA 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 London Heathrow Airport to USA one-way?

    The cheapet airlines for a one-way flight from London Heathrow Airport to USA are LEVEL (£278), United Airlines (£285), and SWISS (£285).

  • What are the most popular routes from London Heathrow Airport to USA?

  • What are the most reliable airlines from London Heathrow Airport to USA?

    Consider KLM (84%), Air France (84%) or Delta (84%) when booking your flight. These represent the most reliable airlines when flying from London Heathrow Airport to USA.

  • What are the cheapest flights from London Heathrow Airport to USA?

    Looking at all options, your cheapest flight can be booked for £350. While the most popular route (London Heathrow - New York John F Kennedy Intl) can be booked for £332 on average, our data indicates £2,576 when flying from London Heathrow Airport to USA.

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

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

  • How can I find direct flights from Heathrow to USA?

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

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

    Yes. Cheapflights offers flight deals from Heathrow to USA 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 London Heathrow Airport to USA?

    Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to USA (average of £314). Flying from London Heathrow Airport to USA in June is currently the most expensive (average of £348). 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

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Alternative routes for Heathrow to USA

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

Top 10 airlines flying from Heathrow to USA

Discover the top 10 airlines that operate flights from Heathrow 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 31 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Norse Atlantic UKCheapest£216Average£468FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
JetBlueCheapest£242Average£568FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
DeltaCheapest£242Average£636FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
TAP AIR PORTUGALCheapest£288Average£512FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Air CanadaCheapest£290Average£524FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
SWISSCheapest£297Average£384FlexibilityNo cancel feeOn-time79%
Search SWISS flights
United AirlinesCheapest£301Average£515FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Scandinavian AirlinesCheapest£302Average£512FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Aer LingusCheapest£308Average£618FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
IcelandairCheapest£319Average£493FlexibilityNo cancel feeOn-time76%
Search Icelandair flights

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

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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 Heathrow to USA.

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

Certainly. Search results for flights to USA from Heathrow shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Heathrow 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 Heathrow today and book when prices fit your budget.

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