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?

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 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.

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 most popular airlines that fly from USA to London Heathrow Airport?

The most popular airlines flying from USA to London Heathrow Airport are American Airlines, Air France and Finnair. Something to consider prior to booking your flight.

How far in advance should I book a flight from USA to London Heathrow Airport?

To save on the cost of your flight from USA to London Heathrow Airport, book at least 31 days before your planned departure. Booking around this time can save you about 23% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £472 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £520.

What is the cheapest month to fly from USA to London Heathrow Airport?

Our data shows that January tends to be the cheapest month to fly to London Heathrow Airport from USA. Users have commonly found prices around £428 for the month, but tickets can be as low as £284. Due to multiple factors, prepare for potentially higher prices in December.

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.

£350+ Flights from the United States to London Heathrow Airport

Cheap flight deals from USA to Heathrow

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
9/10-13/10
2 total stops
61h 30m total
USA to London

Search Deals

Icelandair
25/7
1 total stop
10h 30m total
USA to London

Search Deals

High demand for flights, 5% potential price rise

Search Deals

Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).

Search Deals

Average for round-trip flights in April 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

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

Best flights from USA to Heathrow
Discover carefully curated flight deals from USA to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 April 2025.

Thu 9/1023:10JFK - LHR

1 stop31h 45mIcelandair

Mon 13/1021:25LHR - JFK

1 stop29h 45mIcelandair

Deal found 14/4£378

Fri 2/520:05JFK - LHR

Nonstop7h 10mBritish Airways

Fri 9/518:05LHR - JFK

Nonstop7h 55mBritish Airways

Deal found 14/4£383

Fri 25/418:10JFK - LHR

1 stop21h 45mBrussels Airlines

Sun 27/411:05LHR - JFK

2 stops32h 55mBrussels Airlines

Deal found 14/4£389

Fri 16/519:25JFK - LHR

1 stop13h 15mUnited Airlines

Sun 18/509:30LHR - JFK

1 stop17h 18mUnited Airlines

Deal found 14/4£390

Fri 9/509:00JFK - LHR

1 stop16h 30mMultiple Airlines

Thu 15/506:00LHR - JFK

1 stop11h 50mMultiple Airlines

Deal found 14/4£391

Fri 25/419:25JFK - LHR

2 stops21h 20mSWISS

Sun 27/406:00LHR - JFK

1 stop15h 35mSWISS

Deal found 14/4£395

Mon 28/418:45JFK - LHR

Nonstop7h 05mIberia

Mon 5/508:20LHR - JFK

Nonstop7h 45mIberia

Deal found 14/4£400

Mon 12/518:50LGA - LHR

1 stop10h 10mAir Canada

Wed 21/509:30LHR - LGA

1 stop10h 18mAir Canada

Deal found 14/4£404

Mon 28/423:25JFK - LHR

Nonstop7h 00mVirgin Atlantic

Sun 4/520:10LHR - JFK

Nonstop7h 50mVirgin Atlantic

Deal found 14/4£410

Wed 14/517:30EWR - LHR

1 stop14h 25mScandinavian Airlines

Wed 21/506:40LHR - EWR

1 stop11h 35mScandinavian Airlines

Deal found 15/4£420

Fri 2/522:00JFK - LHR

Nonstop7h 15mDelta

Mon 5/518:50LHR - JFK

Nonstop7h 39mDelta

Deal found 14/4£423

Tue 29/421:25EWR - LHR

Nonstop7h 05mAmerican Airlines

Sun 4/516:35LHR - EWR

Nonstop7h 50mAmerican Airlines

Deal found 14/4£428

Direct flights from USA to Heathrow
Explore direct flight options from USA to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 15 April 2025.

Tue 29/420:55JFK - LHR

Nonstop7h 15mBritish Airways

Tue 6/516:20LHR - JFK

Nonstop8h 05mBritish Airways

Deal found 14/4£378

Mon 28/418:45JFK - LHR

Nonstop7h 05mIberia

Mon 5/508:20LHR - JFK

Nonstop7h 45mIberia

Deal found 14/4£400

Fri 2/521:00JFK - LHR

Nonstop7h 15mVirgin Atlantic

Thu 8/516:50LHR - JFK

Nonstop7h 50mVirgin Atlantic

Deal found 14/4£403

Wed 14/517:55EWR - LHR

Nonstop6h 55mBritish Airways

Wed 21/516:35LHR - EWR

Nonstop7h 50mBritish Airways

Deal found 14/4£419

Tue 29/420:50EWR - LHR

Nonstop7h 30mUnited Airlines

Tue 6/516:00LHR - EWR

Nonstop8h 10mUnited Airlines

Deal found 15/4£421

Sat 10/520:15BOS - LHR

Nonstop6h 50mVirgin Atlantic

Sat 17/512:45LHR - BOS

Nonstop7h 55mVirgin Atlantic

Deal found 14/4£426

Thu 8/519:30JFK - LHR

Nonstop7h 15mAmerican Airlines

Wed 14/509:45LHR - JFK

Nonstop7h 55mAmerican Airlines

Deal found 14/4£426

Thu 8/508:10JFK - LHR

Nonstop6h 50mDelta

Wed 14/515:45LHR - JFK

Nonstop8h 05mDelta

Deal found 14/4£426

Sat 20/907:25BOS - LHR

Nonstop6h 30mBritish Airways

Wed 24/908:55LHR - BOS

Nonstop7h 20mBritish Airways

Deal found 14/4£428

Sun 21/921:20BWI - LHR

Nonstop7h 15mIberia

Tue 30/916:35LHR - BWI

Nonstop8h 00mIberia

Deal found 14/4£428

Tue 29/421:25EWR - LHR

Nonstop7h 05mAmerican Airlines

Thu 22/516:35LHR - EWR

Nonstop7h 50mAmerican Airlines

Deal found 14/4£428

Wed 30/407:25BOS - LHR

Nonstop6h 30mFinnair

Mon 5/520:10LHR - BOS

Nonstop7h 20mFinnair

Deal found 15/4£429

Last-minute flights from USA to Heathrow
Discover last-minute flight deals from USA to Heathrow. Data last updated 15 April 2025 and is based on user searches.

Fri 18/415:30JFK - LHR

1 stop16h 10mMultiple Airlines

Sun 20/406:50LHR - JFK

1 stop11h 10mMultiple Airlines

Deal found 15/4£389

Sun 20/409:00JFK - LHR

1 stop20h 00mMultiple Airlines

Sat 26/420:05LHR - JFK

1 stop25h 30mMultiple Airlines

Deal found 15/4£422

Tue 22/410:25EWR - LHR

1 stop15h 05mMultiple Airlines

Mon 28/408:40LHR - EWR

1 stop16h 30mMultiple Airlines

Deal found 14/4£422

Wed 23/418:35BOS - LHR

1 stop9h 30mAer Lingus

Thu 1/512:00LHR - BOS

1 stop11h 45mAer Lingus

Deal found 14/4£426

Wed 23/418:10BOS - LHR

1 stop21h 50mMultiple Airlines

Sun 4/506:00LHR - BOS

1 stop18h 55mMultiple Airlines

Deal found 14/4£432

Wed 23/418:10BOS - LHR

1 stop21h 50mUnited Airlines

Tue 29/412:10LHR - BOS

1 stop12h 45mUnited Airlines

Deal found 14/4£434

Thu 24/423:10JFK - LHR

1 stop16h 10mIcelandair

Mon 12/521:25LHR - JFK

1 stop26h 45mIcelandair

Deal found 14/4£381

Thu 24/418:45JFK - LHR

Nonstop7h 05mBritish Airways

Thu 1/519:05LHR - JFK

Nonstop7h 55mBritish Airways

Deal found 13/4£419

Fri 25/418:10JFK - LHR

1 stop21h 45mBrussels Airlines

Sun 27/411:05LHR - JFK

2 stops32h 55mBrussels Airlines

Deal found 14/4£389

Fri 25/419:25JFK - LHR

2 stops21h 20mSWISS

Sun 27/406:00LHR - JFK

1 stop15h 35mSWISS

Deal found 14/4£395

Fri 25/418:29JFK - LHR

1 stop9h 36mAer Lingus

Fri 2/513:25LHR - JFK

1 stop10h 55mAer Lingus

Deal found 14/4£426

Fri 25/418:15EWR - LHR

Nonstop7h 30mLufthansa

Sat 10/508:00LHR - EWR

Nonstop7h 55mLufthansa

Deal found 14/4£429

One-way flights from USA to Heathrow
Search for one-way flight options from USA to Heathrow. Find affordable one-way fares based on user searches. Data last updated 15 April 2025.

Fri 25/720:25JFK - LHR

1 stop10h 30mIcelandair

Deal found 15/4£134

Mon 12/509:45JFK - LHR

Nonstop6h 55mBritish Airways

Deal found 14/4£168

Tue 15/722:05JFK - LHR

1 stop14h 40mTAP AIR PORTUGAL

Deal found 14/4£172

Mon 14/700:15JFK - LHR

1 stop16h 35mMultiple Airlines

Deal found 14/4£179

Mon 8/923:00EWR - LHR

1 stop10h 15mMultiple Airlines

Deal found 14/4£184

Mon 28/722:20IAD - LHR

1 stop15h 30mTAP AIR PORTUGAL

Deal found 14/4£185

Tue 29/420:25EWR - LHR

1 stop18h 55mIcelandair

Deal found 14/4£185

Sun 4/523:35BOS - LHR

1 stop31h 20mIcelandair

Deal found 14/4£186

Mon 12/520:30BWI - LHR

1 stop18h 50mIcelandair

Deal found 14/4£188

Mon 12/520:30IAD - LHR

1 stop18h 50mIcelandair

Deal found 14/4£188

Mon 28/419:25ORD - LHR

1 stop18h 55mIcelandair

Deal found 14/4£200

Thu 17/722:50EWR - LHR

1 stop13h 55mTAP AIR PORTUGAL

Deal found 14/4£200

Cheapflights Fare Finder

Use the filters below to find and compare flights from the United States to London Heathrow Airport that are best for you.

Fly from

Fly to

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

...

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?

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

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

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

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

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.

Delta

8.0

Very Good

7,916 reviews

Check prices

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.

Delta

8.0

Very Good

7,916 reviews

Delta

8.0

Very Good

7,916 reviews

Check prices

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.

KLM

7.8

Good

1,323 reviews

Delta

8.0

Very Good

7,916 reviews

Check prices

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.

Finnair

7.6

Good

1,269 reviews

Delta

8.0

Very Good

7,916 reviews

Check prices

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.

Austrian Airlines

7.6

Good

775 reviews

Delta

8.0

Very Good

7,916 reviews

Check prices

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.

Air France

7.5

Good

1,435 reviews

Delta

8.0

Very Good

7,916 reviews

Check prices

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

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?
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: 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

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

USA to Heathrow flights

Top 10 airlines flying from USA to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
Norse Atlantic UK	Cheapest£249	Average£435	FlexibilityNo cancel fee	On-timeN/A	Search Norse Atlantic UK flights
Virgin Atlantic	Cheapest£286	Average£591	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Air France	Cheapest£289	Average£542	FlexibilityNo cancel fee	On-time77%	Search Air France flights
KLM	Cheapest£293	Average£608	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Delta	Cheapest£300	Average£503	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
JetBlue	Cheapest£301	Average£614	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Finnair	Cheapest£310	Average£631	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Scandinavian Airlines	Cheapest£310	Average£535	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Air Canada	Cheapest£310	Average£531	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
British Airways	Cheapest£313	Average£621	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

Fly with Cheapflights

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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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.

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.

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

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from USA to Heathrow

Cheapest flights from USA to HeathrowExplore 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.

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.

Cheapflights Fare Finder

Use the filters below to find and compare flights from the United States to London Heathrow Airport that are best for you.

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.

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?

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.

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.

Rainfall in Heathrow by month

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

Temperature in Heathrow by month

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

Reviews of airlines servicing Heathrow

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.

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?

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

What are the most reliable airlines from USA to London Heathrow Airport?

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

Can I find deals for flights from USA to Heathrow that include hotel bookings?

How can I find direct flights from USA to Heathrow?

Can I find deals for business class flights from USA to Heathrow?

What is the cheapest month to book a flight from USA to London Heathrow Airport?

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Alternative routes for USA to Heathrow

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Top 10 airlines flying from USA to Heathrow

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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.