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Cheap flights from the United States to London Heathrow Airport from £116

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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LHR
19 12月 — 26 12月1
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 19 11月 2025.

Round-trip from

£372

One-way from

£116

Popular in

December

Cheapest in

January

Average price

£452

Good round-trip deal

£343 or less

Good one-way deal

£179 or less
13/2-24/2
  • 13/2-24/2
  • 4 total stops
  • 30h 42m total
  • USA to London
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Air Canada
  • Air Canada
  • 4/12
  • 2 total stops
  • 29h 30m total
  • USA to London
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
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 19 11月 2025.

週二 18/1113:05LGA - LHR
1 stop13h 05mAir Canada
週二 25/1113:25LHR - LGA
1 stop13h 08mAir Canada
Deal found 17/11£372
週二 18/1118:00JFK - LHR
Nonstop7h 20mVirgin Atlantic
週二 25/1110:00LHR - JFK
1 stop10h 45mVirgin Atlantic
Deal found 17/11£372
週一 17/1118:25JFK - LHR
1 stop10h 40mMultiple Airlines
週四 20/1106:00LHR - JFK
1 stop13h 15mMultiple Airlines
Deal found 16/11£373
週二 18/1121:50JFK - LHR
Nonstop6h 50mIberia
週日 23/1110:45LHR - JFK
1 stop13h 30mIberia
Deal found 16/11£374
週一 17/1122:00JFK - LHR
1 stop19h 40mTAP AIR PORTUGAL
週一 24/1118:30LHR - JFK
1 stop30h 35mTAP AIR PORTUGAL
Deal found 16/11£375
週二 2/1213:05LGA - LHR
1 stop13h 05mMultiple Airlines
週日 7/1213:25LHR - LGA
1 stop13h 08mMultiple Airlines
Deal found 17/11£376
週三 19/1110:35LGA - LHR
2 stops17h 45mAir Canada
週一 24/1109:00LHR - LGA
2 stops15h 03mAir Canada
Deal found 17/11£376
週一 24/1110:05JFK - LHR
1 stop16h 05mAir Canada
週三 26/1113:45LHR - JFK
2 stops36h 13mAir Canada
Deal found 17/11£376
週三 19/1111:30LGA - LHR
1 stop16h 00mAir Canada
週三 26/1113:25LHR - LGA
1 stop10h 38mAir Canada
Deal found 18/11£377
週二 18/1118:00JFK - LHR
Nonstop7h 20mVirgin Atlantic
週六 22/1116:35LHR - JFK
Nonstop7h 55mVirgin Atlantic
Deal found 18/11£377
週三 19/1111:58EWR - LHR
1 stop16h 22mAir Canada
週三 26/1109:00LHR - EWR
2 stops16h 37mAir Canada
Deal found 18/11£378
週五 5/1218:00JFK - LHR
Nonstop7h 20mDelta
週日 7/1206:20LHR - JFK
1 stop11h 35mDelta
Deal found 18/11£378

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 19 11月 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

NewarkLondon

EWR - LHR

EWRLHR

Newark

週四 15/1

20:00-08:25

Nonstop7h 25m

London Heathrow

週三 21/1

12:05-20:30

1 stop13h 25m

£382

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

週二 2/12

19:01-06:55

Nonstop6h 54m

London Heathrow

週四 11/12

11:30-19:05

1 stop12h 35m

£384

NewarkLondon

EWR - LHR

EWRLHR

Newark

週三 21/1

19:50-06:40

1 stop29h 50m

London Heathrow

週日 25/1

13:25-09:42

1 stop25h 17m

£385

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

週五 5/12

08:20-20:10

Nonstop6h 50m

London Heathrow

週四 11/12

08:40-15:45

1 stop12h 05m

£385

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

週六 14/2

18:40-20:35

1 stop20h 55m

London Heathrow

週四 19/2

06:35-18:35

1 stop17h 00m

£385

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

週二 2/12

10:05-07:10

1 stop16h 05m

London Heathrow

週五 5/12

07:00-14:40

1 stop12h 40m

£386

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

週六 29/11

15:20-07:10

1 stop10h 50m

London Heathrow

週五 5/12

13:25-19:02

1 stop10h 37m

£389

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

週三 28/1

19:10-06:50

Nonstop6h 40m

London Heathrow

週二 24/2

06:20-16:20

1 stop15h 00m

£390

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

週三 25/2

19:15-06:50

Nonstop6h 35m

London Heathrow

週六 7/3

09:00-16:20

1 stop12h 20m

£390

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

週三 7/1

14:30-06:50

1 stop11h 20m

London Heathrow

週五 16/1

10:00-15:45

1 stop10h 45m

£390

Flights are sorted by cheapest return flights first.

Deals found on 17/11

Showing 1-10 of 60 results
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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 £268). Flying from USA to London Heathrow Airport in June is currently the most expensive (average of £439). 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 19 11月 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 19 11月 2025.

The most flights from US0 to LHR are scheduled on a Monday (47 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (45 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 19 11月 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
1,412 reviews
Check prices

Boarding

7.8

Comfort

7.7

Crew

8.4

Food

7.3

Overall

7.7

Entertainment

7.1

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
1,412 reviews
KLM
7.7
Good
1,412 reviews
Check prices

Boarding

7.8

Comfort

7.7

Crew

8.4

Food

7.3

Overall

7.7

Entertainment

7.1

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
673 reviews
KLM
7.7
Good
1,412 reviews
Check prices

Boarding

7.8

Comfort

7.7

Crew

8.4

Food

7.3

Overall

7.7

Entertainment

7.1

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
9,019 reviews
KLM
7.7
Good
1,412 reviews
Check prices

Boarding

7.8

Comfort

7.7

Crew

8.4

Food

7.3

Overall

7.7

Entertainment

7.1

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
3,026 reviews
KLM
7.7
Good
1,412 reviews
Check prices

Boarding

7.8

Comfort

7.7

Crew

8.4

Food

7.3

Overall

7.7

Entertainment

7.1

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
7,532 reviews
KLM
7.7
Good
1,412 reviews
Check prices

Boarding

7.8

Comfort

7.7

Crew

8.4

Food

7.3

Overall

7.7

Entertainment

7.1

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?

    United Airlines, Delta, and Virgin Atlantic can get you from USA to London Heathrow Airport in just under 6h 54m. Your travel time can differ by up to 8h 06m. The distance between USA and London Heathrow Airport is about 3440 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 £132. Users have also found prices from £132 and £132 on Delta and Virgin Atlantic, 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 New York LaGuardia - 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 Canada (90%), Austrian Airlines (90%), United Airlines (90%).

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

    The cheapest flight price from USA to London Heathrow Airport is £294. On average you can expect to pay £1,331. The most popular route, (New York John F Kennedy Intl - London Heathrow), can usually be booked for £298.

  • 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 £268). Flying from USA to London Heathrow Airport in June is currently the most expensive (average of £439). 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.
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Miami to Heathrow flights
Boston to Gatwick flights
Boston to London City flights
Hobby to Heathrow flights
Dulles Intl to Gatwick flights
Los Angeles to Gatwick flights
Atlanta to Heathrow flights
Orlando to Heathrow flights
Reagan-National to Heathrow flights
Dulles Intl to London City flights
Denver to Heathrow flights
George Bush Intcntl to Heathrow flights
Los Angeles to London City flights
Boston to Stansted flights
Baltimore to Gatwick flights
San Francisco to Gatwick flights
Philadelphia to Heathrow flights
Reagan-National to Gatwick flights
O'Hare Intl to Gatwick flights
Pearson Intl to London City flights
O'Hare Intl to London City flights
Boston to Luton flights
Minneapolis to Heathrow flights
Vancouver Intl to Gatwick flights
San Francisco to London City 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 19 11月 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest£235Average£617FlexibilityNo cancel feeOn-time77%
Search Air France flights
Virgin AtlanticCheapest£288Average£570FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
KLMCheapest£296Average£542FlexibilityNo cancel feeOn-time75%
Search KLM flights
Scandinavian AirlinesCheapest£310Average£461FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
British AirwaysCheapest£314Average£563FlexibilityNo cancel feeOn-time70%
Search British Airways flights
TAP AIR PORTUGALCheapest£322Average£582FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Aer LingusCheapest£347Average£439FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
LufthansaCheapest£349Average£566FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
DeltaCheapest£349Average£665FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
JetBlueCheapest£362Average£555FlexibilityNo 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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