How long is the flight from USA to London Heathrow Airport?

LEVEL, Delta, and Virgin Atlantic can get you from USA to London Heathrow Airport in just under 6h 40m. Your travel time can differ by up to 6h 35m. 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 TAP AIR PORTUGAL. According to our data, you can fly for as low as £121. Users have also found prices from £148 and £158 on JetBlue and Air Canada, respectively.

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.

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).

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 £278. On average you can expect to pay £1,258. The most popular route, (New York John F Kennedy Intl - London Heathrow), can usually be booked for £294.

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 (94%), Air France (94%), Delta (94%).

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 Air France, Finnair and British Airways. 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 22% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £459 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £487.

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 £418 for the month, but tickets can be as low as £279. 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.

£118+ Cheap Flights from the United States to London Heathrow Airport

Cheap flight deals from USA to Heathrow

Round-trip from	£313
One-way from	£118
Popular in	December
Cheapest in	January
Average price	£383
Good round-trip deal	£319 or less
Good one-way deal	£167 or less

Iberia
10/10-12/10
1 total stop
27h 20m total
USA to London

Search Deals

TAP AIR PORTUGAL
16/10
1 total stop
19h 00m total
USA to London

Search Deals

High demand for flights, 3% 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 September 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 3 September 2025.

Fri 10/1016:50JFK - LHR

1 stop19h 25mIberia

Sun 12/1014:10LHR - JFK

Nonstop7h 55mIberia

Deal found 2/9£313

Fri 26/918:10JFK - LHR

Nonstop7h 10mFinnair

Sun 28/909:30LHR - JFK

1 stop14h 35mFinnair

Deal found 2/9£313

Thu 6/1110:15JFK - LHR

Nonstop6h 55mAmerican Airlines

Fri 7/1106:15LHR - JFK

1 stop12h 05mAmerican Airlines

Deal found 3/9£314

Thu 4/1219:35JFK - LHR

1 stop18h 05mSWISS

Sat 6/1218:40LHR - JFK

1 stop23h 25mSWISS

Deal found 1/9£315

Tue 21/1022:05JFK - LHR

1 stop15h 45mTAP AIR PORTUGAL

Tue 4/1106:00LHR - JFK

1 stop19h 05mTAP AIR PORTUGAL

Deal found 2/9£317

Thu 6/1123:45JFK - LHR

1 stop28h 25mLEVEL

Mon 17/1118:50LHR - JFK

1 stop32h 10mLEVEL

Deal found 2/9£318

Tue 30/916:55JFK - LHR

1 stop10h 05mAer Lingus

Tue 7/1007:40LHR - JFK

1 stop10h 45mAer Lingus

Deal found 31/8£319

Fri 12/917:30JFK - LHR

1 stop11h 25mMultiple Airlines

Sun 14/906:00LHR - JFK

1 stop11h 50mMultiple Airlines

Deal found 2/9£319

Fri 5/1223:20JFK - LHR

Nonstop6h 55mBritish Airways

Sun 7/1209:15LHR - JFK

1 stop15h 00mBritish Airways

Deal found 2/9£321

Fri 12/922:55JFK - LHR

Nonstop7h 10mIberia

Sun 14/906:10LHR - JFK

1 stop13h 40mIberia

Deal found 1/9£322

Fri 5/919:25JFK - LHR

1 stop13h 15mMultiple Airlines

Sun 7/906:50LHR - JFK

1 stop11h 10mMultiple Airlines

Deal found 3/9£323

Tue 11/1122:00JFK - LHR

1 stop14h 30mTAP AIR PORTUGAL

Tue 18/1106:00LHR - JFK

1 stop19h 05mTAP AIR PORTUGAL

Deal found 3/9£324

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 3 September 2025.

Mon 10/1123:45JFK - LHR

1 stop13h 15mLEVEL

Mon 17/1118:50LHR - JFK

1 stop32h 10mLEVEL

Deal found 1/9£319

Mon 20/1019:05BOS - LHR

Nonstop6h 40mDelta

Tue 28/1006:20LHR - BOS

1 stop12h 20mDelta

Deal found 3/9£357

Tue 7/1020:15BOS - LHR

Nonstop6h 50mVirgin Atlantic

Wed 15/1011:30LHR - BOS

1 stop13h 50mVirgin Atlantic

Deal found 2/9£357

Fri 12/1217:35JFK - LHR

2 stops35h 00mScandinavian Airlines

Sun 14/1221:05LHR - JFK

2 stops23h 40mScandinavian Airlines

Deal found 2/9£358

Fri 3/1019:25JFK - LHR

1 stop16h 10mUnited Airlines

Sun 5/1012:40LHR - JFK

2 stops39h 07mUnited Airlines

Deal found 1/9£368

Thu 8/110:35LGA - LHR

1 stop15h 35mAir Canada

Wed 14/109:00LHR - LGA

2 stops18h 33mAir Canada

Deal found 3/9£376

Wed 5/1110:35LGA - LHR

1 stop15h 35mMultiple Airlines

Mon 10/1113:25LHR - LGA

1 stop13h 08mMultiple Airlines

Deal found 2/9£380

Thu 23/1017:12LGA - LHR

1 stop10h 53mBritish Airways

Sat 1/1114:45LHR - LGA

1 stop12h 45mBritish Airways

Deal found 2/9£381

Fri 14/1119:40IAD - LHR

1 stop10h 10mIcelandair

Wed 19/1112:15LHR - IAD

1 stop11h 15mIcelandair

Deal found 1/9£389

Tue 28/1018:45LAX - LHR

Nonstop10h 35mFinnair

Tue 4/1110:20LHR - LAX

1 stop14h 45mFinnair

Deal found 2/9£414

Sat 4/1016:40LAX - LHR

1 stop17h 05mTAP AIR PORTUGAL

Mon 3/1118:30LHR - LAX

1 stop28h 30mTAP AIR PORTUGAL

Deal found 2/9£421

Wed 17/912:37DFW - LHR

1 stop11h 43mIberia

Thu 25/912:00LHR - DFW

Nonstop10h 15mIberia

Deal found 3/9£447

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 3 September 2025.

Tue 30/919:30JFK - LHR

Nonstop7h 15mBritish Airways

Tue 7/1008:25LHR - JFK

Nonstop7h 45mBritish Airways

Deal found 31/8£332

Wed 10/1219:10BOS - LHR

Nonstop6h 40mVirgin Atlantic

Wed 17/1216:00LHR - BOS

Nonstop7h 35mVirgin Atlantic

Deal found 2/9£344

Sun 30/1123:55BOS - LHR

Nonstop6h 30mVirgin Atlantic

Fri 12/1216:00LHR - BOS

Nonstop7h 35mVirgin Atlantic

Deal found 3/9£348

Mon 20/1022:45BOS - LHR

Nonstop6h 45mVirgin Atlantic

Wed 29/1013:05LHR - BOS

Nonstop7h 55mVirgin Atlantic

Deal found 3/9£350

Tue 7/1018:13BOS - LHR

Nonstop7h 17mJetBlue

Thu 9/1008:25LHR - BOS

Nonstop7h 57mJetBlue

Deal found 3/9£352

Thu 9/1023:25JFK - LHR

Nonstop7h 00mVirgin Atlantic

Sun 12/1010:55LHR - JFK

Nonstop8h 10mVirgin Atlantic

Deal found 2/9£352

Sun 28/919:05BOS - LHR

Nonstop6h 40mMultiple Airlines

Sun 5/1009:40LHR - BOS

Nonstop7h 45mMultiple Airlines

Deal found 2/9£354

Sat 27/908:45JFK - LHR

Nonstop7h 00mJetBlue

Sat 4/1008:15LHR - JFK

Nonstop7h 59mJetBlue

Deal found 1/9£354

Sun 14/920:10BOS - LHR

Nonstop6h 40mBritish Airways

Tue 23/914:40LHR - BOS

Nonstop7h 30mBritish Airways

Deal found 2/9£355

Wed 1/1020:59JFK - LHR

Nonstop7h 31mJetBlue

Fri 31/1007:25LHR - JFK

Nonstop8h 12mJetBlue

Deal found 2/9£355

Thu 9/1019:00JFK - LHR

Nonstop7h 15mVirgin Atlantic

Wed 15/1018:30LHR - JFK

Nonstop7h 55mVirgin Atlantic

Deal found 1/9£356

Tue 23/920:10BOS - LHR

Nonstop6h 40mBritish Airways

Tue 30/920:10LHR - BOS

Nonstop7h 35mBritish Airways

Deal found 2/9£358

Last-minute flights from USA to Heathrow
Discover last-minute flight deals from USA to Heathrow. Data last updated 3 September 2025 and is based on user searches.

Fri 5/919:25JFK - LHR

1 stop13h 15mMultiple Airlines

Sun 7/906:50LHR - JFK

1 stop11h 10mMultiple Airlines

Deal found 3/9£323

Fri 12/917:30JFK - LHR

1 stop11h 25mMultiple Airlines

Sun 14/906:00LHR - JFK

1 stop11h 50mMultiple Airlines

Deal found 2/9£319

Fri 12/922:55JFK - LHR

Nonstop7h 10mIberia

Sun 14/906:10LHR - JFK

1 stop13h 40mIberia

Deal found 1/9£322

Fri 12/916:55JFK - LHR

1 stop11h 10mAer Lingus

Tue 16/913:25LHR - JFK

1 stop10h 55mAer Lingus

Deal found 31/8£327

Fri 12/918:45JFK - LHR

Nonstop7h 05mBritish Airways

Tue 16/908:25LHR - JFK

Nonstop7h 45mBritish Airways

Deal found 31/8£331

Fri 26/918:10JFK - LHR

Nonstop7h 10mFinnair

Sun 28/909:30LHR - JFK

1 stop14h 35mFinnair

Deal found 2/9£313

Tue 30/916:55JFK - LHR

1 stop10h 05mAer Lingus

Tue 7/1007:40LHR - JFK

1 stop10h 45mAer Lingus

Deal found 31/8£319

Tue 30/919:30JFK - LHR

Nonstop7h 15mBritish Airways

Tue 7/1008:25LHR - JFK

Nonstop7h 45mBritish Airways

Deal found 31/8£332

Mon 6/1018:25JFK - LHR

1 stop9h 40mAer Lingus

Sun 16/1107:50LHR - JFK

1 stop11h 05mAer Lingus

Deal found 1/9£336

Fri 10/1016:50JFK - LHR

1 stop19h 25mIberia

Sun 12/1014:10LHR - JFK

Nonstop7h 55mIberia

Deal found 2/9£313

Fri 17/1017:40BOS - LHR

1 stop10h 40mScandinavian Airlines

Sun 19/1006:40LHR - BOS

2 stops37h 55mScandinavian Airlines

Deal found 2/9£337

Tue 21/1022:05JFK - LHR

1 stop15h 45mTAP AIR PORTUGAL

Tue 4/1106:00LHR - JFK

1 stop19h 05mTAP AIR PORTUGAL

Deal found 2/9£317

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 3 September 2025.

Thu 16/1022:05JFK - LHR

1 stop19h 00mTAP AIR PORTUGAL

Deal found 1/9£118

Wed 22/1022:05JFK - LHR

1 stop19h 50mTAP AIR PORTUGAL

Deal found 2/9£118

Sat 15/1122:00JFK - LHR

1 stop19h 40mTAP AIR PORTUGAL

Deal found 1/9£119

Mon 6/1022:05JFK - LHR

1 stop19h 50mTAP AIR PORTUGAL

Deal found 3/9£120

Fri 17/1022:05JFK - LHR

1 stop19h 50mTAP AIR PORTUGAL

Deal found 2/9£122

Wed 15/1022:05JFK - LHR

1 stop14h 40mTAP AIR PORTUGAL

Deal found 2/9£123

Mon 29/922:05JFK - LHR

1 stop18h 55mTAP AIR PORTUGAL

Deal found 2/9£124

Mon 17/1122:00JFK - LHR

1 stop14h 30mTAP AIR PORTUGAL

Deal found 2/9£124

Fri 3/1016:40LAX - LHR

1 stop18h 10mTAP AIR PORTUGAL

Deal found 1/9£126

Sat 20/908:45JFK - LHR

Nonstop7h 00mJetBlue

Deal found 2/9£126

Tue 21/1016:40LAX - LHR

1 stop21h 20mTAP AIR PORTUGAL

Deal found 1/9£127

Sat 4/1016:40LAX - LHR

1 stop17h 05mTAP AIR PORTUGAL

Deal found 2/9£127

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

Mon 10/11

23:45-18:00

1 stop13h 15m

London Heathrow

Mon 17/11

18:50-22:00

1 stop32h 10m

£319

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sun 15/2

23:45-09:10

1 stop28h 25m

London Heathrow

Wed 18/2

09:55-22:00

1 stop17h 05m

£319

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 1/12

23:45-09:10

1 stop28h 25m

London Heathrow

Fri 5/12

18:50-22:00

1 stop32h 10m

£331

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sat 8/11

23:45-09:10

1 stop28h 25m

London Heathrow

Sat 15/11

09:55-22:00

1 stop17h 05m

£334

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 20/10

19:05-06:45

Nonstop6h 40m

London Heathrow

Tue 28/10

06:20-14:40

1 stop12h 20m

£357

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Tue 7/10

20:15-08:05

Nonstop6h 50m

London Heathrow

Wed 15/10

11:30-20:20

1 stop13h 50m

£357

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 29/10

20:10-06:50

Nonstop6h 40m

London Heathrow

Wed 12/11

08:55-16:20

1 stop12h 25m

£357

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 1/10

20:15-08:05

Nonstop6h 50m

London Heathrow

Tue 7/10

09:00-15:05

1 stop11h 05m

£357

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 3/12

20:00-07:50

Nonstop6h 50m

London Heathrow

Thu 11/12

08:55-16:20

1 stop12h 25m

£357

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Tue 30/9

19:05-06:45

Nonstop6h 40m

London Heathrow

Tue 14/10

11:30-20:20

1 stop13h 50m

£357

Flights are sorted by cheapest return flights first.

Deals found on 2/9

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 (56 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (37 on average).

Reviews of airlines servicing Heathrow

Read reviews from past customers who have flown with KLM, United Airlines, andVirgin Atlantic 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

7.8

Good

1,382 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Gary,Sept 2025

BRS - AMS

Very good and loved being on a smaller plane with only 100 passengers max so boarding and disembarking was quick and easy

KLM

7.8

Good

1,382 reviews

KLM

7.8

Good

1,382 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Gary,Sept 2025

BRS - AMS

Very good and loved being on a smaller plane with only 100 passengers max so boarding and disembarking was quick and easy

United Airlines

7.4

Good

8,937 reviews

KLM

7.8

Good

1,382 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Gary,Sept 2025

BRS - AMS

Very good and loved being on a smaller plane with only 100 passengers max so boarding and disembarking was quick and easy

Virgin Atlantic

7.4

Good

662 reviews

KLM

7.8

Good

1,382 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Gary,Sept 2025

BRS - AMS

Very good and loved being on a smaller plane with only 100 passengers max so boarding and disembarking was quick and easy

Iberia

7.0

Good

2,909 reviews

KLM

7.8

Good

1,382 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Gary,Sept 2025

BRS - AMS

Very good and loved being on a smaller plane with only 100 passengers max so boarding and disembarking was quick and easy

British Airways

6.7

Okay

7,345 reviews

KLM

7.8

Good

1,382 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Gary,Sept 2025

BRS - AMS

Very good and loved being on a smaller plane with only 100 passengers max so boarding and disembarking was quick and easy

Related info for your journey

How long is the flight from USA to London Heathrow Airport?
LEVEL, Delta, and Virgin Atlantic can get you from USA to London Heathrow Airport in just under 6h 40m. Your travel time can differ by up to 6h 35m. 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 TAP AIR PORTUGAL. According to our data, you can fly for as low as £121. Users have also found prices from £148 and £158 on JetBlue and Air Canada, 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 (94%), Air France (94%), Delta (94%).
What are the cheapest flights from USA to London Heathrow Airport?
The cheapest flight price from USA to London Heathrow Airport is £278. On average you can expect to pay £1,258. The most popular route, (New York John F Kennedy Intl - London Heathrow), can usually be booked for £294.
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

Milton Keynes

Croydon

Hounslow

Gatwick

Slough

Northampton

Luton

Deal

Wembley

Ilford

Crawley

Hayes

Ipswich

Watford

Folkestone

Chichester

Winchester

Swindon

Dartford

Eastbourne

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from USA to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
Air France	Cheapest£230	Average£551	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Virgin Atlantic	Cheapest£276	Average£541	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
KLM	Cheapest£287	Average£520	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Delta	Cheapest£294	Average£588	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
JetBlue	Cheapest£297	Average£543	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Scandinavian Airlines	Cheapest£304	Average£443	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
British Airways	Cheapest£305	Average£561	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Lufthansa	Cheapest£319	Average£625	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
United Airlines	Cheapest£345	Average£577	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Icelandair	Cheapest£361	Average£373	FlexibilityNo cancel fee	On-time76%	Search Icelandair 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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Cheapflights is completely free to use, so you can start saving the moment you arrive.

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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 £118

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 16/10. 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 3 September 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 3 September 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 3 September 2025.

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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.

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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 3 September 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 3 September 2025.

Reviews of airlines servicing Heathrow

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?

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?

Travelling to a place near 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 3 September 2025.