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Cheap flights from the United States to London Heathrow Airport from £119

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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LHR
27 Dec — 3 Jan1
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 27 November 2025.

Round-trip from

£376

One-way from

£119

Popular in

December

Cheapest in

January

Average price

£451

Good round-trip deal

£281 or less

Good one-way deal

£137 or less
SWISS
  • SWISS
  • 12/2-16/2
  • 2 total stops
  • 26h 45m total
  • USA to London
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Air Canada
  • Air Canada
  • 8/12
  • 1 total stop
  • 30h 25m 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
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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 27 November 2025.

Thu 27/1115:30EWR - LHR
1 stop10h 40mMultiple Airlines
Thu 4/1206:00LHR - EWR
1 stop12h 55mMultiple Airlines
Deal found 26/11£376
Sat 29/1109:10EWR - LHR
Nonstop7h 10mUnited Airlines
Wed 10/1206:35LHR - EWR
1 stop17h 30mUnited Airlines
Deal found 24/11£376
Wed 31/1222:40EWR - LHR
Nonstop7h 25mUnited Airlines
Wed 14/111:10LHR - EWR
1 stop12h 55mUnited Airlines
Deal found 25/11£377
Thu 4/1206:00EWR - LHR
1 stop23h 50mUnited Airlines
Mon 8/1213:25LHR - EWR
1 stop30h 27mUnited Airlines
Deal found 26/11£378
Sat 29/1110:05JFK - LHR
1 stop16h 05mMultiple Airlines
Fri 5/1211:10LHR - JFK
2 stops14h 48mMultiple Airlines
Deal found 24/11£378
Thu 27/1115:30EWR - LHR
1 stop10h 40mAir Canada
Thu 4/1209:00LHR - EWR
2 stops15h 38mAir Canada
Deal found 26/11£379
Wed 26/1116:50JFK - LHR
1 stop10h 40mUnited Airlines
Tue 2/1212:05LHR - JFK
1 stop30h 00mUnited Airlines
Deal found 24/11£379
Thu 27/1109:10EWR - LHR
Nonstop7h 10mUnited Airlines
Wed 3/1206:50LHR - EWR
1 stop11h 40mUnited Airlines
Deal found 25/11£380
Mon 24/1116:25JFK - LHR
1 stop10h 40mSWISS
Sun 18/106:00LHR - JFK
1 stop12h 05mSWISS
Deal found 23/11£380
Wed 3/1219:35JFK - LHR
1 stop18h 05mSWISS
Mon 8/1207:00LHR - JFK
1 stop12h 40mSWISS
Deal found 24/11£380
Sat 6/1215:30LGA - LHR
1 stop12h 00mMultiple Airlines
Tue 9/1213:25LHR - LGA
1 stop10h 37mMultiple Airlines
Deal found 24/11£381
Sat 29/1116:50JFK - LHR
2 stops22h 45mUnited Airlines
Thu 11/1206:35LHR - JFK
1 stop14h 05mUnited Airlines
Deal found 24/11£381

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 27 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

NewarkLondon

EWR - LHR

EWRLHR

Newark

Mon 8/12

10:30-07:10

1 stop15h 40m

London Heathrow

Thu 11/12

06:50-13:30

1 stop11h 40m

£380

NewarkLondon

EWR - LHR

EWRLHR

Newark

Mon 27/4

15:25-09:15

1 stop12h 50m

London Heathrow

Wed 6/5

06:15-14:50

1 stop13h 35m

£380

NewarkLondon

EWR - LHR

EWRLHR

Newark

Wed 7/1

09:10-21:20

Nonstop7h 10m

London Heathrow

Mon 12/1

12:05-20:30

1 stop13h 25m

£380

NewarkLondon

EWR - LHR

EWRLHR

Newark

Sun 15/2

09:10-21:20

Nonstop7h 10m

London Heathrow

Fri 20/2

12:05-20:30

1 stop13h 25m

£380

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sat 10/1

06:00-10:50

1 stop23h 50m

London Heathrow

Sat 17/1

13:25-16:57

1 stop32h 32m

£383

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sat 17/1

06:00-10:50

1 stop23h 50m

London Heathrow

Sun 25/1

13:25-11:57

1 stop27h 32m

£383

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 30/1

19:10-06:50

Nonstop6h 40m

London Heathrow

Tue 3/2

06:20-13:40

1 stop12h 20m

£387

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 8/1

20:00-07:50

Nonstop6h 50m

London Heathrow

Sat 7/2

08:55-16:20

1 stop12h 25m

£388

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 13/1

21:30-09:20

Nonstop6h 50m

London Heathrow

Sun 18/1

11:45-19:20

1 stop12h 35m

£389

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 12/1

22:00-10:15

Nonstop7h 15m

London Heathrow

Sun 18/1

11:45-11:40

1 stop28h 55m

£389

Flights are sorted by cheapest return flights first.

Deals found on 25/11

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 27 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 11% 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 27 November 2025.

The most flights from US0 to LHR are scheduled on a Monday (52 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (28 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, Qantas Airways have had the lowest number of delays on this route, with no flights being classified as 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 27 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
1,423 reviews
Check prices

Overall

7.7

Boarding

7.8

Food

7.2

Entertainment

7.1

Comfort

7.6

Crew

8.4

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
1,423 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Overall

7.7

Boarding

7.8

Food

7.2

Entertainment

7.1

Comfort

7.6

Crew

8.4

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
1,423 reviews
Check prices

Overall

7.7

Boarding

7.8

Food

7.2

Entertainment

7.1

Comfort

7.6

Crew

8.4

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
9,050 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Overall

7.7

Boarding

7.8

Food

7.2

Entertainment

7.1

Comfort

7.6

Crew

8.4

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
3,036 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Overall

7.7

Boarding

7.8

Food

7.2

Entertainment

7.1

Comfort

7.6

Crew

8.4

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
7,539 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Overall

7.7

Boarding

7.8

Food

7.2

Entertainment

7.1

Comfort

7.6

Crew

8.4

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 11h. Your travel time can differ by up to 4h 40m. 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 £152 on Delta and Iberia, 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 £1,316. 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 £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
Slough
Croydon
Hounslow
Northampton
Gatwick
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Brentford
Winchester
Swindon
Crawley
Romford
Chichester
Bedford

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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Newark to Heathrow flights
John F Kennedy Intl to Gatwick flights
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Boston to Gatwick flights
Boston to London City flights
Miami to Heathrow flights
Los Angeles to Gatwick flights
Dulles Intl to Gatwick flights
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Atlanta to Heathrow flights
Reagan-National to Heathrow flights
Dulles Intl to London City flights
Pearson Intl to London City flights
Denver to Heathrow flights
Vancouver Intl to Gatwick flights
Orlando to Heathrow flights
Philadelphia to Heathrow flights
Los Angeles to London City flights
George Bush Intcntl to Heathrow flights
Boston to Stansted flights
Baltimore to Gatwick flights
Minneapolis to Heathrow flights
Reagan-National to Gatwick flights
O'Hare Intl to Gatwick flights
Boston to Luton flights
O'Hare Intl to London City flights
Pierre Elliott Trudeau Intl to Heathrow flights
Toronto Island 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 27 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest£234Average£573FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest£294Average£515FlexibilityNo cancel feeOn-time75%
Search KLM flights
Scandinavian AirlinesCheapest£309Average£461FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
British AirwaysCheapest£312Average£553FlexibilityNo cancel feeOn-time70%
Search British Airways flights
TAP AIR PORTUGALCheapest£321Average£580FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Virgin AtlanticCheapest£322Average£584FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Aer LingusCheapest£346Average£456FlexibilityNo 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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