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Cheap flights from the United States to London Heathrow Airport from £115

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
14 Dec — 21 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 14 November 2025.

Round-trip from

£371

One-way from

£115

Popular in

December

Cheapest in

January

Average price

£454

Good round-trip deal

£343 or less

Good one-way deal

£178 or less
LEVEL
  • LEVEL
  • 10/1-31/1
  • 2 total stops
  • 30h 20m total
  • USA to London
Search Deals
Air Canada
  • Air Canada
  • 3/12
  • 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 (£8 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.
Search Deals
Price to beat on a one-way flight from USA to London Heathrow.
Search Deals

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 14 November 2025.

Fri 14/1118:00JFK - LHR
Nonstop7h 20mVirgin Atlantic
Fri 21/1108:40LHR - JFK
1 stop12h 05mVirgin Atlantic
Deal found 13/11£371
Tue 18/1115:20LGA - LHR
1 stop10h 50mAir Canada
Tue 9/1213:25LHR - LGA
1 stop10h 37mAir Canada
Deal found 12/11£372
Thu 13/1114:50JFK - LHR
1 stop11h 00mVirgin Atlantic
Thu 20/1111:45LHR - JFK
1 stop12h 35mVirgin Atlantic
Deal found 12/11£372
Mon 17/1115:20LGA - LHR
1 stop10h 50mAir Canada
Tue 25/1113:25LHR - LGA
1 stop10h 38mAir Canada
Deal found 11/11£372
Fri 14/1118:25JFK - LHR
1 stop10h 40mMultiple Airlines
Thu 20/1106:00LHR - JFK
1 stop13h 15mMultiple Airlines
Deal found 11/11£372
Mon 17/1115:20LGA - LHR
1 stop10h 50mMultiple Airlines
Wed 26/1113:25LHR - LGA
1 stop13h 08mMultiple Airlines
Deal found 11/11£373
Thu 13/1108:20JFK - LHR
Nonstop6h 50mVirgin Atlantic
Wed 19/1120:00LHR - JFK
Nonstop7h 55mVirgin Atlantic
Deal found 12/11£373
Tue 2/1215:20LGA - LHR
1 stop10h 50mMultiple Airlines
Tue 31/314:05LHR - LGA
1 stop12h 21mMultiple Airlines
Deal found 12/11£374
Thu 4/1210:15JFK - LHR
Nonstop6h 55mIberia
Thu 11/1211:25LHR - JFK
1 stop12h 50mIberia
Deal found 11/11£374
Sun 16/1121:00LGA - LHR
1 stop9h 25mVirgin Atlantic
Mon 24/1113:05LHR - LGA
1 stop12h 01mVirgin Atlantic
Deal found 12/11£375
Tue 18/1116:50JFK - LHR
1 stop10h 40mMultiple Airlines
Sun 23/1108:45LHR - JFK
1 stop11h 55mMultiple Airlines
Deal found 11/11£375
Wed 19/1112:45LGA - LHR
1 stop12h 45mAir Canada
Sat 22/1113:25LHR - LGA
1 stop10h 38mAir Canada
Deal found 13/11£375

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 14 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

Thu 15/1

09:35-21:40

Nonstop7h 05m

London Heathrow

Thu 22/1

07:25-10:46

Nonstop8h 21m

£381

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sat 17/1

09:53-22:00

Nonstop7h 07m

London Heathrow

Sat 24/1

08:05-11:29

Nonstop8h 24m

£381

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 30/1

15:40-07:10

1 stop10h 30m

London Heathrow

Tue 3/2

09:00-20:20

1 stop16h 20m

£381

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 13/1

21:10-09:30

Nonstop7h 20m

London Heathrow

Wed 21/1

12:20-15:52

Nonstop8h 32m

£381

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 4/12

20:00-07:50

Nonstop6h 50m

London Heathrow

Sun 7/12

09:00-16:20

1 stop12h 20m

£384

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 1/12

20:00-07:50

Nonstop6h 50m

London Heathrow

Tue 9/12

06:20-13:35

1 stop12h 15m

£384

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 11/2

05:10-21:40

1 stop11h 30m

London Heathrow

Wed 25/2

09:20-12:16

Nonstop7h 56m

£384

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 11/12

13:59-06:55

1 stop11h 56m

London Heathrow

Sun 11/1

07:45-11:05

Nonstop8h 20m

£384

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 9/12

15:20-07:10

1 stop10h 50m

London Heathrow

Sat 13/12

13:25-21:33

1 stop13h 08m

£385

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sun 7/12

20:00-08:05

Nonstop7h 05m

London Heathrow

Fri 30/1

10:00-15:45

1 stop10h 45m

£385

Flights are sorted by cheapest return flights first.

Deals found on 11/11

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 £267). Flying from USA to London Heathrow Airport in June is currently the most expensive (average of £438). 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 14 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 14 November 2025.

The most flights from US0 to LHR are scheduled on a Wednesday (52 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (44 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 14 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
1,411 reviews
Check prices

Crew

8.4

Comfort

7.7

Entertainment

7.1

Food

7.3

Overall

7.7

Boarding

7.8

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
1,411 reviews
KLM
7.7
Good
1,411 reviews
Check prices

Crew

8.4

Comfort

7.7

Entertainment

7.1

Food

7.3

Overall

7.7

Boarding

7.8

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
1,411 reviews
Check prices

Crew

8.4

Comfort

7.7

Entertainment

7.1

Food

7.3

Overall

7.7

Boarding

7.8

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
9,017 reviews
KLM
7.7
Good
1,411 reviews
Check prices

Crew

8.4

Comfort

7.7

Entertainment

7.1

Food

7.3

Overall

7.7

Boarding

7.8

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
3,012 reviews
KLM
7.7
Good
1,411 reviews
Check prices

Crew

8.4

Comfort

7.7

Entertainment

7.1

Food

7.3

Overall

7.7

Boarding

7.8

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
7,520 reviews
KLM
7.7
Good
1,411 reviews
Check prices

Crew

8.4

Comfort

7.7

Entertainment

7.1

Food

7.3

Overall

7.7

Boarding

7.8

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?

    JetBlue, United Airlines, and Delta can get you from USA to London Heathrow Airport in just under 6h 50m. Your travel time can differ by up to 3h 40m. 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 £132. Users have also found prices from £132 and £132 on Air Canada 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 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 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 £294. On average you can expect to pay £1,330. The most popular route, (New York John F Kennedy Intl - London Heathrow), can usually be booked for £293.

  • 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 £267). Flying from USA to London Heathrow Airport in June is currently the most expensive (average of £438). 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

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.
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San Francisco to Gatwick flights
Philadelphia to Heathrow flights
O'Hare Intl to Gatwick flights
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Boston to Stansted flights
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Tampa to Heathrow 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 14 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest£234Average£617FlexibilityNo cancel feeOn-time77%
Search Air France flights
Virgin AtlanticCheapest£288Average£569FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
KLMCheapest£295Average£542FlexibilityNo cancel feeOn-time75%
Search KLM flights
Scandinavian AirlinesCheapest£310Average£461FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
British AirwaysCheapest£313Average£562FlexibilityNo cancel feeOn-time70%
Search British Airways flights
TAP AIR PORTUGALCheapest£322Average£581FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Aer LingusCheapest£347Average£439FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
LufthansaCheapest£348Average£566FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
DeltaCheapest£348Average£665FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
JetBlueCheapest£361Average£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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