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Cheap flights from the United States to London Heathrow Airport from £126

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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LHR
2 tammi — 9 tammi1
1 adult
1 adult, Economy, 0 bags

Cheap 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 3 joulukuu 2025.

ma 1/1222:00EWR - LHR
1 stop13h 20mSWISS
pe 5/1209:00LHR - EWR
1 stop16h 30mSWISS
Deal found 1/12£374
ke 31/1214:47EWR - LHR
1 stop13h 33mUnited Airlines
ma 12/112:05LHR - EWR
1 stop13h 25mUnited Airlines
Deal found 1/12£375
ti 2/1218:00EWR - LHR
Nonstop7h 20mUnited Airlines
la 6/1212:05LHR - EWR
1 stop13h 25mUnited Airlines
Deal found 1/12£376
to 4/1223:55EWR - LHR
1 stop12h 35mTAP AIR PORTUGAL
ti 16/1208:15LHR - EWR
2 stops18h 50mTAP AIR PORTUGAL
Deal found 30/11£376
ke 10/1217:25EWR - LHR
1 stop13h 35mMultiple Airlines
to 25/1211:45LHR - EWR
1 stop13h 44mMultiple Airlines
Deal found 1/12£377
to 4/1209:10EWR - LHR
Nonstop7h 10mUnited Airlines
to 11/1206:35LHR - EWR
1 stop17h 30mUnited Airlines
Deal found 1/12£378
su 7/1221:57EWR - LHR
1 stop27h 43mUnited Airlines
pe 12/1209:00LHR - EWR
1 stop32h 18mUnited Airlines
Deal found 2/12£379
su 7/1221:57EWR - LHR
1 stop27h 43mUnited Airlines
su 14/1209:00LHR - EWR
1 stop32h 18mUnited Airlines
Deal found 1/12£379
ti 2/1210:30EWR - LHR
1 stop15h 40mAir Canada
la 6/1209:00LHR - EWR
2 stops16h 37mAir Canada
Deal found 2/12£380
ti 2/1220:00EWR - LHR
Nonstop7h 25mUnited Airlines
ti 9/1206:50LHR - EWR
1 stop11h 40mUnited Airlines
Deal found 1/12£381
pe 5/1208:45JFK - LHR
Nonstop7h 00mJetBlue
su 21/1207:45LHR - JFK
Nonstop8h 20mJetBlue
Deal found 30/11£381
ke 10/1206:00LGA - LHR
1 stop23h 50mUnited Airlines
su 14/1213:25LHR - LGA
1 stop32h 34mUnited Airlines
Deal found 1/12£382

Find flight deals from USA to Heathrow

Keep the following information in mind while searching for USA to Heathrow flight deals. Data was last updated 3 joulukuu 2025.

Round-trip from

£373

One-way from

£126

Popular in

December

Cheapest in

January

Average price

£528

Good round-trip deal

£232 or less

Good one-way deal

£132 or less
Aer Lingus
  • Aer Lingus
  • 7/1-11/5
  • 2 total stops
  • 22h 25m total
  • USA to London
Search Deals
Air Canada
  • Air Canada
  • 10/12
  • 1 total stop
  • 13h 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 December 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

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 3 joulukuu 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

ke 18/2

22:40-11:05

Nonstop7h 25m

London Heathrow

ma 23/2

12:05-20:30

1 stop13h 25m

£381

NewarkLondon

EWR - LHR

EWRLHR

Newark

ti 20/1

09:10-21:20

Nonstop7h 10m

London Heathrow

ti 27/1

12:05-20:30

1 stop13h 25m

£381

NewarkLondon

EWR - LHR

EWRLHR

Newark

la 28/2

22:00-10:25

Nonstop7h 25m

London Heathrow

pe 6/3

12:05-20:30

1 stop13h 25m

£381

NewarkLondon

EWR - LHR

EWRLHR

Newark

pe 30/1

18:00-06:20

Nonstop7h 20m

London Heathrow

pe 27/2

12:05-20:30

1 stop13h 25m

£381

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

ma 19/1

10:15-22:10

Nonstop6h 55m

London Heathrow

ma 26/1

15:35-18:40

Nonstop8h 05m

£383

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

ke 18/3

10:05-07:10

1 stop17h 05m

London Heathrow

to 26/3

09:00-17:40

1 stop12h 40m

£383

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

pe 13/3

09:05-08:05

1 stop19h 00m

London Heathrow

ti 17/3

09:40-13:25

Nonstop7h 45m

£385

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

ma 9/3

21:00-07:50

Nonstop6h 50m

London Heathrow

ke 18/3

06:20-14:30

1 stop12h 10m

£389

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

ti 3/3

19:10-06:50

Nonstop6h 40m

London Heathrow

ti 17/3

09:00-17:20

1 stop12h 20m

£389

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

su 8/3

20:10-06:50

Nonstop6h 40m

London Heathrow

ti 17/3

06:20-14:30

1 stop12h 10m

£389

Flights are sorted by cheapest return flights first.

Deals found on 30/11

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 £267). Flying from USA to London Heathrow Airport in June is currently the most expensive (average of £437). 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 3 joulukuu 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 12% 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 3 joulukuu 2025.

The most flights from US0 to LHR are scheduled on a Monday (52 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (27 on average).

How often are flights from the United States to London delayed?

About 17% of weekly flights between United States and London have experienced delays in the past year, with the average delay time being 151 minutes.

What is the most punctual flight time for the United States to London flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on the United States to London flights?

Over the past year, Virgin Atlantic have had the lowest number of delays on this route, with just 13% of flights being delayed.

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 3 joulukuu 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
1,426 reviews
Check prices

Boarding

7.8

Entertainment

7.1

Overall

7.7

Crew

8.4

Comfort

7.6

Food

7.2

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
1,426 reviews
KLM
7.7
Good
1,426 reviews
Check prices

Boarding

7.8

Entertainment

7.1

Overall

7.7

Crew

8.4

Comfort

7.6

Food

7.2

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
675 reviews
KLM
7.7
Good
1,426 reviews
Check prices

Boarding

7.8

Entertainment

7.1

Overall

7.7

Crew

8.4

Comfort

7.6

Food

7.2

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
9,063 reviews
KLM
7.7
Good
1,426 reviews
Check prices

Boarding

7.8

Entertainment

7.1

Overall

7.7

Crew

8.4

Comfort

7.6

Food

7.2

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
3,038 reviews
KLM
7.7
Good
1,426 reviews
Check prices

Boarding

7.8

Entertainment

7.1

Overall

7.7

Crew

8.4

Comfort

7.6

Food

7.2

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
7,550 reviews
KLM
7.7
Good
1,426 reviews
Check prices

Boarding

7.8

Entertainment

7.1

Overall

7.7

Crew

8.4

Comfort

7.6

Food

7.2

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, Finnair, and Delta can get you from USA to London Heathrow Airport in just under 6h 55m. Your travel time can differ by up to 12h 05m. 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 JetBlue. According to our data, you can fly for as low as £56. Users have also found prices from £68 and £88 on Delta and Norse Atlantic UK, 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 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 £1,321. The most popular route, (New York John F Kennedy Intl - London Heathrow), can usually be booked for £299.

  • 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 £437). 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
Northampton
Hounslow
Slough
Gatwick
Luton
Ilford
Wembley
Colchester
Brentford
Watford
Hayes
Crawley
Deal
Winchester
Swindon
Romford
Bedford
Chichester

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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John F Kennedy Intl to Gatwick flights
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Atlanta to Heathrow flights
Boston to London City flights
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Dulles Intl to Gatwick flights
Orlando to Heathrow flights
Philadelphia to Heathrow flights
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Los Angeles to Gatwick flights
Hobby to Heathrow flights
Reagan-National to Heathrow flights
Dulles Intl to London City flights
Boston to Stansted flights
Minneapolis to Heathrow flights
O'Hare Intl to Gatwick flights
Pierre Elliott Trudeau Intl to Heathrow flights
Baltimore to Gatwick flights
San Francisco to Gatwick flights
Boston to Luton flights
George Bush Intcntl to Heathrow flights
Los Angeles to London City flights
Pearson Intl to London City flights
O'Hare Intl to London City flights
Tampa to Heathrow flights
Sky Harbor Intl to Heathrow 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 3 joulukuu 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest£234Average£602FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest£303Average£525FlexibilityNo cancel feeOn-time75%
Search KLM flights
Scandinavian AirlinesCheapest£309Average£458FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
British AirwaysCheapest£312Average£551FlexibilityNo cancel feeOn-time70%
Search British Airways flights
TAP AIR PORTUGALCheapest£320Average£579FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Virgin AtlanticCheapest£342Average£586FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Aer LingusCheapest£346Average£455FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
LufthansaCheapest£347Average£562FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
DeltaCheapest£347Average£663FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
JetBlueCheapest£360Average£608FlexibilityNo 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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