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Cheap flights from the United States to London Heathrow Airport from £112

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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LHR
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

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 7 November 2025.

Round-trip from

£368

One-way from

£112

Popular in

December

Cheapest in

January

Average price

£395

Good round-trip deal

£345 or less

Good one-way deal

£179 or less
Air Canada
  • Air Canada
  • 19/11-25/11
  • 3 total stops
  • 35h 08m total
  • USA to London
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Air Canada
  • Air Canada
  • 3/12
  • 2 total stops
  • 15h 15m total
  • USA to London
Search Deals
High demand for flights, 5% potential price rise
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Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from USA to London Heathrow.
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Price to beat on a one-way flight from USA to London Heathrow.
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Find flight deals from USA to Heathrow

Enter your travel dates to find the best prices.

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 7 November 2025.

Wed 19/1112:45LGA - LHR
1 stop17h 35mMultiple Airlines
Tue 25/1109:00LHR - LGA
2 stops17h 33mMultiple Airlines
Deal found 6/11£368
Sat 8/1118:10JFK - LHR
1 stop13h 55mAustrian Airlines
Wed 12/1106:00LHR - JFK
1 stop13h 15mAustrian Airlines
Deal found 6/11£368
Mon 17/1115:20LGA - LHR
1 stop10h 50mAir Canada
Mon 24/1113:25LHR - LGA
1 stop10h 38mAir Canada
Deal found 5/11£369
Mon 17/1110:05JFK - LHR
1 stop16h 05mAir Canada
Mon 24/1113:25LHR - JFK
1 stop12h 33mAir Canada
Deal found 5/11£369
Mon 17/1115:20LGA - LHR
1 stop10h 50mAir Canada
Wed 26/1113:25LHR - LGA
1 stop10h 38mAir Canada
Deal found 6/11£370
Mon 17/1119:01JFK - LHR
Nonstop6h 54mVirgin Atlantic
Wed 26/1111:45LHR - JFK
1 stop12h 35mVirgin Atlantic
Deal found 6/11£370
Thu 6/1107:50JFK - LHR
Nonstop6h 50mVirgin Atlantic
Thu 13/1112:40LHR - JFK
Nonstop8h 19mVirgin Atlantic
Deal found 5/11£370
Mon 17/1116:50JFK - LHR
1 stop13h 30mAir Canada
Wed 26/1109:00LHR - JFK
2 stops16h 58mAir Canada
Deal found 6/11£371
Fri 14/1121:00JFK - LHR
1 stop14h 20mMultiple Airlines
Thu 20/1106:00LHR - JFK
1 stop13h 15mMultiple Airlines
Deal found 5/11£372
Fri 14/1116:25JFK - LHR
1 stop10h 40mSWISS
Thu 20/1106:00LHR - JFK
1 stop12h 05mSWISS
Deal found 6/11£373
Thu 6/1110:15JFK - LHR
Nonstop6h 55mAmerican Airlines
Thu 13/1106:15LHR - JFK
1 stop12h 05mAmerican Airlines
Deal found 5/11£373
Wed 12/1113:05LGA - LHR
1 stop13h 05mMultiple Airlines
Sun 16/1113:25LHR - LGA
1 stop13h 08mMultiple Airlines
Deal found 6/11£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 7 November 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

Sat 17/1

21:50-09:40

Nonstop6h 50m

London Heathrow

Sat 24/1

10:20-19:05

1 stop13h 45m

£374

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 11/12

10:05-07:10

1 stop16h 05m

London Heathrow

Fri 9/1

09:00-16:40

1 stop12h 40m

£377

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 3/12

10:05-07:10

1 stop16h 05m

London Heathrow

Sun 7/12

09:00-13:05

1 stop33h 05m

£377

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 4/12

10:05-07:10

1 stop16h 05m

London Heathrow

Wed 10/12

09:00-16:40

1 stop12h 40m

£377

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 26/11

10:05-07:10

1 stop16h 05m

London Heathrow

Wed 3/12

09:00-16:40

1 stop12h 40m

£377

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 25/11

10:05-07:10

1 stop16h 05m

London Heathrow

Fri 5/12

09:00-16:40

1 stop12h 40m

£378

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sat 28/2

09:55-22:00

Nonstop7h 05m

London Heathrow

Fri 13/3

07:25-11:55

Nonstop8h 30m

£382

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 17/11

16:50-11:20

1 stop13h 30m

London Heathrow

Mon 24/11

06:00-13:05

1 stop12h 05m

£382

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 20/2

19:12-06:55

Nonstop6h 43m

London Heathrow

Wed 25/2

09:20-12:16

Nonstop7h 56m

£383

NewarkLondon

EWR - LHR

EWRLHR

Newark

Wed 11/3

19:00-06:20

Nonstop7h 20m

London Heathrow

Sun 15/3

20:05-21:30

1 stop29h 25m

£383

Flights are sorted by cheapest return flights first.

Deals found on 7/11

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, February is the cheapest month in which you can book a flight from USA to London Heathrow Airport (average of £269). Flying from USA to London Heathrow Airport in June is currently the most expensive (average of £441). 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 7 November 2025.

A simple way to save on the total cost of your ticket is to fly from USA to London Heathrow Airport in the evening. If you’re flexible enough to do this you can expect to save up to 9% on your trip compared to booking a flight at midday.

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

Use this chart to determine the cheapest time to fly return from USA to Heathrow. Price data was last updated on 16 December 2024.

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

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 7 November 2025.

The most flights from US0 to LHR are scheduled on a Tuesday (52 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (50 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 7 November 2025.
Read reviews from past customers who have flown with KLM, Virgin Atlantic, andUnited 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.
KLM
7.7
Good
1,405 reviews
Check prices

Comfort

7.7

Food

7.3

Boarding

7.8

Entertainment

7.1

Crew

8.4

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,405 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Comfort

7.7

Food

7.3

Boarding

7.8

Entertainment

7.1

Crew

8.4

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Virgin Atlantic
7.5
Good
672 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Comfort

7.7

Food

7.3

Boarding

7.8

Entertainment

7.1

Crew

8.4

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
United Airlines
7.4
Good
9,007 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Comfort

7.7

Food

7.3

Boarding

7.8

Entertainment

7.1

Crew

8.4

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Iberia
7.0
Good
3,007 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Comfort

7.7

Food

7.3

Boarding

7.8

Entertainment

7.1

Crew

8.4

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
British Airways
6.7
Okay
7,500 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Comfort

7.7

Food

7.3

Boarding

7.8

Entertainment

7.1

Crew

8.4

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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.

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

    Finnair, United Airlines, and JetBlue can get you from USA to London Heathrow Airport in just under 6h 43m. Your travel time can differ by up to 9h 22m. The distance between USA and London Heathrow Airport is about 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 Heathrow Airport one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as £133. Users have also found prices from £133 and £133 on JetBlue and Delta, respectively.

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

    The most popular flight routes from USA to London Heathrow Airport are New York John F Kennedy Intl - London Heathrow, Newark - London Heathrow and Boston Logan Intl - London Heathrow.

  • 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 France (93%), Delta (93%), Virgin Atlantic (93%).

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

    The cheapest flight price from USA to London Heathrow Airport is £295. On average you can expect to pay £1,337. The most popular route, (New York John F Kennedy Intl - London Heathrow), can usually be booked for £290.

  • 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, February is the cheapest month in which you can book a flight from USA to London Heathrow Airport (average of £269). Flying from USA to London Heathrow Airport in June is currently the most expensive (average of £441). 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 Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Slough
Gatwick
Hounslow
Northampton
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
Swindon
Crawley
Brentford
Romford
Chichester
Ipswich

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for USA to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
John F Kennedy Intl to Gatwick flights
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Pearson Intl to Gatwick flights
Newark to Stansted flights
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Mexico City to Heathrow flights
Boston to Gatwick flights
Dulles Intl to Gatwick flights
Boston to London City flights
Atlanta to Heathrow flights
Reagan-National to Heathrow flights
Dulles Intl to London City flights
Los Angeles to Gatwick flights
Baltimore to Gatwick flights
Boston to Stansted flights
Reagan-National to Gatwick flights
San Francisco to Gatwick flights
Denver to Heathrow flights
Philadelphia to Heathrow flights
Hobby to Heathrow flights
Los Angeles to London City flights
Pearson Intl to London City flights
Orlando to Heathrow flights
Boston to Luton flights
O'Hare Intl to Gatwick flights
Pierre Elliott Trudeau Intl to Heathrow flights
Vancouver Intl to Gatwick flights
Toronto Island to Heathrow flights
Dallas/Fort Worth to Gatwick flights

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 7 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest£236Average£620FlexibilityNo cancel feeOn-time77%
Search Air France flights
Virgin AtlanticCheapest£289Average£572FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
KLMCheapest£297Average£545FlexibilityNo cancel feeOn-time75%
Search KLM flights
Scandinavian AirlinesCheapest£311Average£463FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
British AirwaysCheapest£315Average£565FlexibilityNo cancel feeOn-time70%
Search British Airways flights
TAP AIR PORTUGALCheapest£323Average£584FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Aer LingusCheapest£349Average£441FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
LufthansaCheapest£350Average£568FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
DeltaCheapest£350Average£668FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
JetBlueCheapest£363Average£557FlexibilityNo cancel feeOn-time62%
Search JetBlue 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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