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Cheap flights from the United States to London Heathrow Airport from £123

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 20/7. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LHR
9 Jul — 16 Jul1
1 adult

Cheap flight deals from USA to Heathrow

Keep the following information in mind while searching for USA to Heathrow flight deals. Data was last updated 4 July 2025.

Round-trip from

£358

One-way from

£123

Popular in

June

Cheapest in

January

Average price

£462

Good round-trip deal

£368 or less

Good one-way deal

£193 or less
Brussels Airlines
  • Brussels Airlines
  • 8/10-15/10
  • 3 total stops
  • 29h 45m total
  • USA to London
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 20/7
  • 1 total stop
  • 18h 55m total
  • USA to London
Highest demand for flights based on searches. 11% potential increase in price (£40 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£7 potential savings vs. average return price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from USA to London Heathrow.
Price to beat on a one-way flight from USA to London Heathrow.

Find flight deals from USA to Heathrow

Cheapest flights from USA to Heathrow
Explore the most affordable flight options available from USA to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.

Wed 8/1006:55JFK - LHR
2 stops18h 35mMultiple Airlines
Wed 15/1006:50LHR - JFK
1 stop11h 10mMultiple Airlines
Deal found 3/7£358
Sat 2/810:30LGA - LHR
2 stops15h 00mMultiple Airlines
Sat 30/806:50LHR - LGA
2 stops12h 55mMultiple Airlines
Deal found 3/7£358
Tue 4/1122:00JFK - LHR
1 stop14h 30mTAP AIR PORTUGAL
Tue 11/1106:00LHR - JFK
1 stop19h 05mTAP AIR PORTUGAL
Deal found 3/7£358
Sat 26/710:15LGA - LHR
1 stop15h 15mAir Canada
Mon 22/909:30LHR - LGA
1 stop14h 00mAir Canada
Deal found 3/7£359
Thu 31/720:05JFK - LHR
Nonstop7h 10mBritish Airways
Thu 11/909:30LHR - JFK
1 stop14h 35mBritish Airways
Deal found 3/7£359
Thu 21/818:29JFK - LHR
1 stop23h 11mAer Lingus
Tue 26/807:40LHR - JFK
1 stop10h 45mAer Lingus
Deal found 2/7£360
Wed 10/914:59JFK - LHR
1 stop11h 41mFinnair
Wed 17/910:20LHR - JFK
1 stop13h 45mFinnair
Deal found 2/7£361
Mon 27/1021:35JFK - LHR
Nonstop7h 00mIberia
Sat 1/1109:55LHR - JFK
1 stop17h 05mIberia
Deal found 2/7£363
Wed 27/809:00JFK - LHR
1 stop16h 30mUnited Airlines
Sun 7/908:45LHR - JFK
1 stop12h 50mUnited Airlines
Deal found 3/7£367
Thu 21/806:00LGA - LHR
1 stop23h 40mUnited Airlines
Fri 29/814:05LHR - LGA
1 stop24h 25mUnited Airlines
Deal found 3/7£371
Sat 23/818:40BOS - LHR
Nonstop6h 50mJetBlue
Sun 31/808:25LHR - BOS
Nonstop7h 39mJetBlue
Deal found 3/7£374
Thu 14/808:45JFK - LHR
Nonstop7h 00mJetBlue
Thu 21/808:15LHR - JFK
Nonstop8h 04mJetBlue
Deal found 3/7£374

Cheapflights Fare Finder

Customise your flight search to find flights from USA to Heathrow 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 4 July 2025.
Use the filters below to find and compare flights from the United States to London Heathrow Airport that are best for you.

Fly from

USA

Fly to

Heathrow

Route

Depart

Return

Price

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 8/10

06:55-06:30

2 stops18h 35m

London Heathrow

Wed 15/10

06:50-13:00

1 stop11h 10m

£358

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 4/11

22:00-17:30

1 stop14h 30m

London Heathrow

Tue 11/11

06:00-20:05

1 stop19h 05m

£358

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sat 2/8

10:30-06:30

2 stops15h 00m

London Heathrow

Sat 30/8

06:50-14:45

2 stops12h 55m

£358

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sat 26/7

10:15-06:30

1 stop15h 15m

London Heathrow

Mon 22/9

09:30-18:30

1 stop14h 00m

£359

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 31/7

20:05-08:15

Nonstop7h 10m

London Heathrow

Thu 11/9

09:30-19:05

1 stop14h 35m

£359

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 21/8

18:29-22:40

1 stop23h 11m

London Heathrow

Tue 26/8

07:40-13:25

1 stop10h 45m

£360

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 10/9

14:59-07:40

1 stop11h 41m

London Heathrow

Sat 4/10

07:30-19:05

1 stop16h 35m

£361

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 27/10

21:35-08:35

Nonstop7h 00m

London Heathrow

Sat 1/11

09:55-23:00

1 stop17h 05m

£363

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 27/8

09:00-06:30

1 stop16h 30m

London Heathrow

Sun 7/9

08:45-16:35

1 stop12h 50m

£367

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 20/8

06:00-10:40

1 stop23h 40m

London Heathrow

Wed 3/9

14:05-08:02

1 stop22h 57m

£371

Flights are sorted by cheapest return flights first.

Deals found on 3/7

Showing 1-10 of 60 results
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6

Best time to book a flight from USA to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow 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 Heathrow Airport

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

Currently, January is the cheapest month in which you can book a flight from USA to London Heathrow Airport (average of £112). Flying from USA to London Heathrow Airport in August is currently the most expensive (average of £164). 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 LHR?

Find hourly flight availability from USA to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 4 July 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from USA to London Heathrow Airport as you normally would.

Weekly flight availability from USA to London Heathrow Airport

Explore weekly flight availability from USA to Heathrow. 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 4 July 2025.

The most flights from US0 to LHR are scheduled on a Wednesday (58 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (34 on average).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 4 July 2025.
Read reviews from past customers who have flown with Delta, KLM, andAustrian Airlines from the United States to London Heathrow Airport. 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.

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very Good

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from USA to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines to fly from USA to London Heathrow Airport one-way?

    For one-way options, check prices for TAP AIR PORTUGAL. According to our data, you can fly for as low as £123. Users have also found prices from £125 and £134 on Icelandair and Air Canada, respectively.

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

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from USA to London Heathrow Airport on time: Air Canada (86%), Austrian Airlines (86%), United Airlines (86%).

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

    The cheapest flight price from USA to London Heathrow Airport is £290. On average you can expect to pay £1,791. The most popular route, (New York John F Kennedy Intl - London Heathrow), can usually be booked for £216.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from USA to London Heathrow Airport (average of £112). Flying from USA to London Heathrow Airport in August is currently the most expensive (average of £164). 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 the United States?

Book flights to the United States if you plan to visit one of these locations
Hounslow
Croydon
Milton Keynes
Deal
Northampton
Gatwick
Luton
Slough
Wembley
Crawley
Eastbourne
Ilford
Hayes
Folkestone
Southend-on-Sea
Watford
Ipswich
Winchester
Swindon
Maidstone

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 Heathrow

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

Top 10 airlines flying from USA to Heathrow

Discover the top 10 airlines that operate flights from USA to Heathrow. 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 4 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest£226Average£545FlexibilityNo cancel feeOn-time77%
Search Air France flights
Virgin AtlanticCheapest£275Average£581FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
KLMCheapest£283Average£512FlexibilityNo cancel feeOn-time75%
Search KLM flights
DeltaCheapest£290Average£621FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
JetBlueCheapest£291Average£632FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
British AirwaysCheapest£292Average£580FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£299Average£573FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Scandinavian AirlinesCheapest£299Average£439FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Air CanadaCheapest£299Average£512FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapest£314Average£607FlexibilityNo cancel feeOn-time76%
Search Lufthansa 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 Heathrow?

Cheapflights makes it easy to find USA to Heathrow 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 USA to Heathrow?

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 Heathrow.

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

Certainly. Search results for flights to Heathrow from USA 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 USA to Heathrow become cheaper?

Of course! You can now track prices for flights from USA to Heathrow and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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