Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from the United States to London Heathrow Airport from £134

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 25/7. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LHR
20 Apr — 27 Apr1
1 adult

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 15 April 2025.

Round-trip from

£378

One-way from

£134

Popular in

December

Cheapest in

January

Average price

£441

Good round-trip deal

£370 or less

Good one-way deal

£264 or less
Icelandair
  • Icelandair
  • 9/10-13/10
  • 2 total stops
  • 61h 30m total
  • USA to London
Icelandair
  • Icelandair
  • 25/7
  • 1 total stop
  • 10h 30m total
  • USA to London
High demand for flights, 5% potential price rise
Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
Average for round-trip flights in April 2025
Price to beat on a round-trip flight from USA to London Heathrow.
Price to beat on a one-way flight from USA to London Heathrow.

Find flight deals from USA to Heathrow

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 15 April 2025.

Thu 9/1023:10JFK - LHR
1 stop31h 45mIcelandair
Tue 14/1013:05LHR - JFK
1 stop14h 05mIcelandair
Deal found 15/4£378
Fri 2/507:50JFK - LHR
Nonstop6h 55mBritish Airways
Fri 9/518:05LHR - JFK
Nonstop7h 55mBritish Airways
Deal found 15/4£380
Fri 25/420:30JFK - LHR
1 stop20h 15mSWISS
Sun 27/419:15LHR - JFK
1 stop24h 05mSWISS
Deal found 15/4£386
Fri 18/415:30JFK - LHR
1 stop16h 10mMultiple Airlines
Sun 20/406:50LHR - JFK
1 stop11h 10mMultiple Airlines
Deal found 15/4£389
Fri 16/519:25JFK - LHR
1 stop13h 15mUnited Airlines
Sun 18/509:30LHR - JFK
1 stop17h 18mUnited Airlines
Deal found 14/4£390
Mon 12/518:50LGA - LHR
1 stop10h 10mAir Canada
Wed 21/509:30LHR - LGA
1 stop10h 18mAir Canada
Deal found 14/4£404
Mon 28/416:45JFK - LHR
1 stop10h 40mIberia
Mon 5/508:20LHR - JFK
Nonstop7h 45mIberia
Deal found 14/4£409
Thu 8/510:30JFK - LHR
1 stop15h 05mAir Canada
Wed 14/506:50LHR - JFK
2 stops13h 10mAir Canada
Deal found 14/4£411
Fri 9/510:15LGA - LHR
1 stop15h 15mUnited Airlines
Sun 11/509:30LHR - LGA
2 stops38h 12mUnited Airlines
Deal found 14/4£414
Mon 12/519:00JFK - LHR
Nonstop7h 15mVirgin Atlantic
Wed 21/512:25LHR - JFK
Nonstop8h 05mVirgin Atlantic
Deal found 13/4£414
Tue 13/521:50EWR - LHR
1 stop15h 00mSWISS
Mon 19/513:45LHR - EWR
1 stop11h 25mSWISS
Deal found 14/4£419
Sun 16/1118:30EWR - LHR
1 stop19h 20mScandinavian Airlines
Sun 30/1121:05LHR - EWR
2 stops21h 20mScandinavian Airlines
Deal found 15/4£420

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 15 April 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 9/10

23:10-11:55

1 stop31h 45m

London Heathrow

Mon 13/10

21:25-22:10

1 stop29h 45m

£378

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 2/5

20:05-08:15

Nonstop7h 10m

London Heathrow

Fri 9/5

18:05-21:00

Nonstop7h 55m

£383

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 30/4

23:35-20:20

1 stop15h 45m

London Heathrow

Mon 5/5

21:25-22:00

1 stop29h 35m

£384

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 25/4

18:10-20:55

1 stop21h 45m

London Heathrow

Sun 27/4

11:05-15:00

2 stops32h 55m

£389

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 16/5

19:25-13:40

1 stop13h 15m

London Heathrow

Sun 18/5

09:30-21:48

1 stop17h 18m

£390

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 9/5

09:00-06:30

1 stop16h 30m

London Heathrow

Thu 15/5

06:00-12:50

1 stop11h 50m

£391

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 25/4

19:25-21:45

2 stops21h 20m

London Heathrow

Sun 27/4

06:00-16:35

1 stop15h 35m

£395

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 28/4

18:45-06:50

Nonstop7h 05m

London Heathrow

Mon 5/5

08:20-11:05

Nonstop7h 45m

£400

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 12/5

18:50-10:00

1 stop10h 10m

London Heathrow

Wed 21/5

09:30-14:48

1 stop10h 18m

£404

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 12/5

09:00-10:00

1 stop20h 00m

London Heathrow

Wed 21/5

06:50-15:00

2 stops13h 10m

£408

Flights are sorted by cheapest return flights first.

Deals found on 15/4

Showing 1-10 of 60 results
1
2
3
...
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, January is the cheapest month in which you can book a flight from USA to London Heathrow Airport (average of £112). Flying from USA to London Heathrow Airport in August is currently the most expensive (average of £164). 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 15 April 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from USA to London Heathrow Airport as you normally would.

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 15 April 2025.

The most flights from US0 to LHR are scheduled on a Monday (58 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (53 on average).

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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 15 April 2025.
Read through reviews of airlines operating flights from USA to London, such as Delta, KLM and Finnair. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very Good

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.
  • What are the cheapest airlines to fly from USA to London Heathrow Airport one-way?

    For one-way options, check prices for Icelandair. According to our data, you can fly for as low as £134. Users have also found prices from £168 and £172 on British Airways and TAP AIR PORTUGAL, respectively.

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

  • 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: KLM (91%), Air Canada (88%), Austrian Airlines (88%).

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

    The cheapest flight price from USA to London Heathrow Airport is £324. On average you can expect to pay £2,233. The most popular route, (New York John F Kennedy Intl - London Heathrow), can usually be booked for £327.

  • 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, January is the cheapest month in which you can book a flight from USA to London Heathrow Airport (average of £112). Flying from USA to London Heathrow Airport in August is currently the most expensive (average of £164). 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 the United States?

Book flights to the United States if you plan to visit one of these locations
Hounslow
Deal
Milton Keynes
Gatwick
Luton
Slough
Croydon
Eastbourne
Wembley
Northampton
Hayes
Crawley
Southend-on-Sea
Maidstone
Swindon
Ipswich
Southall
Ilford
Winchester
Folkestone

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.

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 15 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Norse Atlantic UKCheapest£249Average£435FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
Virgin AtlanticCheapest£286Average£591FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air FranceCheapest£289Average£542FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest£293Average£608FlexibilityNo cancel feeOn-time75%
Search KLM flights
DeltaCheapest£300Average£503FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
JetBlueCheapest£301Average£614FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
FinnairCheapest£310Average£631FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Scandinavian AirlinesCheapest£310Average£535FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Air CanadaCheapest£310Average£531FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
British AirwaysCheapest£313Average£621FlexibilityNo cancel feeOn-time70%
Search British Airways 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.