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

Delta, TAP AIR PORTUGAL, and United Airlines can get you from USA to London Heathrow Airport in just under 6h 50m. Your travel time can differ by up to 12h 50m. 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 LEVEL. According to our data, you can fly for as low as £144. Users have also found prices from £164 and £164 on JetBlue and British Airways, 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 £262. On average you can expect to pay £1,229. The most popular route, (New York John F Kennedy Intl - London Heathrow), can usually be booked for £288.

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 21% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £450 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £470.

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 £412 for the month, but tickets can be as low as £278. 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.

£110+ Cheap Flights from the United States to London Heathrow Airport

Cheap flight deals from USA to Heathrow

Round-trip from	£313
One-way from	£110
Popular in	December
Cheapest in	January
Average price	£380
Good round-trip deal	£283 or less
Good one-way deal	£165 or less

LEVEL
26/1-8/2
2 total stops
45h 25m total
USA to London

Search Deals

TAP AIR PORTUGAL
13/10
1 total stop
15h 45m 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 (£8 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 15 September 2025.

Thu 23/1022:05JFK - LHR

1 stop19h 50mTAP AIR PORTUGAL

Thu 20/1118:30LHR - JFK

1 stop30h 35mTAP AIR PORTUGAL

Deal found 14/9£316

Sun 9/1122:00JFK - LHR

1 stop14h 30mTAP AIR PORTUGAL

Mon 17/1118:30LHR - JFK

1 stop30h 35mTAP AIR PORTUGAL

Deal found 15/9£317

Sun 30/1123:45JFK - LHR

1 stop13h 15mMultiple Airlines

Sat 31/109:55LHR - JFK

1 stop17h 05mMultiple Airlines

Deal found 13/9£318

Wed 12/1122:00JFK - LHR

1 stop12h 30mTAP AIR PORTUGAL

Wed 19/1108:15LHR - JFK

1 stop16h 50mTAP AIR PORTUGAL

Deal found 13/9£318

Mon 10/1122:00JFK - LHR

1 stop18h 35mTAP AIR PORTUGAL

Tue 18/1108:15LHR - JFK

1 stop16h 50mTAP AIR PORTUGAL

Deal found 15/9£319

Fri 26/919:25JFK - LHR

1 stop13h 15mMultiple Airlines

Sun 28/906:50LHR - JFK

1 stop11h 10mMultiple Airlines

Deal found 15/9£320

Fri 21/1118:50JFK - LHR

Nonstop6h 55mAmerican Airlines

Sun 23/1106:15LHR - JFK

1 stop12h 05mAmerican Airlines

Deal found 13/9£321

Fri 7/1121:00JFK - LHR

1 stop11h 00mMultiple Airlines

Sun 9/1106:50LHR - JFK

1 stop11h 30mMultiple Airlines

Deal found 14/9£321

Fri 3/1017:30JFK - LHR

1 stop11h 25mMultiple Airlines

Sun 5/1006:50LHR - JFK

1 stop11h 10mMultiple Airlines

Deal found 13/9£322

Thu 6/1107:50JFK - LHR

Nonstop6h 50mVirgin Atlantic

Sun 9/1108:55LHR - JFK

1 stop12h 05mVirgin Atlantic

Deal found 14/9£323

Thu 13/1122:00JFK - LHR

1 stop15h 55mTAP AIR PORTUGAL

Mon 17/1118:30LHR - JFK

1 stop30h 35mTAP AIR PORTUGAL

Deal found 15/9£324

Wed 15/1023:00BOS - LHR

1 stop16h 05mLEVEL

Wed 22/1020:50LHR - BOS

1 stop29h 25mLEVEL

Deal found 15/9£330

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 September 2025.

Tue 14/1020:15BOS - LHR

Nonstop6h 50mDelta

Tue 21/1011:45LHR - BOS

1 stop11h 35mDelta

Deal found 13/9£355

Thu 5/208:05JFK - LHR

Nonstop6h 55mFinnair

Sun 8/210:20LHR - JFK

1 stop13h 45mFinnair

Deal found 15/9£359

Tue 25/1122:00JFK - LHR

1 stop19h 40mTAP AIR PORTUGAL

Tue 2/1208:15LHR - JFK

1 stop16h 50mTAP AIR PORTUGAL

Deal found 14/9£360

Sun 12/1006:00BOS - LHR

1 stop19h 30mUnited Airlines

Sun 1/309:00LHR - BOS

1 stop16h 00mUnited Airlines

Deal found 15/9£368

Tue 28/1020:10BOS - LHR

Nonstop6h 40mMultiple Airlines

Mon 3/1109:40LHR - BOS

Nonstop7h 50mMultiple Airlines

Deal found 13/9£370

Mon 6/1017:00BOS - LHR

1 stop12h 00mVirgin Atlantic

Mon 13/1018:15LHR - BOS

Nonstop7h 45mVirgin Atlantic

Deal found 15/9£374

Fri 26/918:23BOS - LHR

Nonstop7h 07mJetBlue

Sun 28/908:25LHR - BOS

Nonstop8h 02mJetBlue

Deal found 14/9£374

Mon 6/1021:15ORD - LHR

Nonstop7h 50mBritish Airways

Thu 6/1111:00LHR - ORD

Nonstop8h 50mBritish Airways

Deal found 13/9£381

Tue 25/1118:30ORD - LHR

1 stop10h 20mIcelandair

Sun 7/1212:15LHR - ORD

1 stop11h 05mIcelandair

Deal found 13/9£385

Mon 9/316:15SFO - LHR

2 stops18h 25mScandinavian Airlines

Wed 18/319:30LHR - SFO

1 stop27h 05mScandinavian Airlines

Deal found 14/9£390

Mon 23/216:40BOS - LHR

1 stop11h 05mDelta

Tue 3/309:00LHR - BOS

1 stop12h 20mDelta

Deal found 13/9£363

Sat 18/1008:30EWR - LHR

Nonstop7h 10mUnited Airlines

Tue 4/1112:05LHR - EWR

1 stop13h 25mUnited Airlines

Deal found 13/9£368

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 September 2025.

Sun 28/923:59JFK - LHR

Nonstop6h 56mVirgin Atlantic

Sun 5/1010:55LHR - JFK

Nonstop8h 10mVirgin Atlantic

Deal found 12/9£319

Mon 13/1018:10JFK - LHR

Nonstop7h 10mBritish Airways

Mon 20/1017:00LHR - JFK

Nonstop7h 55mBritish Airways

Deal found 13/9£328

Fri 10/1022:55JFK - LHR

Nonstop7h 10mIberia

Mon 13/1017:00LHR - JFK

Nonstop7h 55mIberia

Deal found 13/9£329

Sun 5/1019:30JFK - LHR

Nonstop7h 15mBritish Airways

Sat 11/1016:20LHR - JFK

Nonstop8h 05mBritish Airways

Deal found 14/9£330

Wed 15/1018:00JFK - LHR

Nonstop7h 25mVirgin Atlantic

Wed 22/1018:30LHR - JFK

Nonstop7h 55mVirgin Atlantic

Deal found 15/9£334

Thu 23/1021:00JFK - LHR

Nonstop7h 15mVirgin Atlantic

Thu 20/1114:30LHR - JFK

Nonstop8h 20mVirgin Atlantic

Deal found 14/9£338

Wed 1/1020:15BOS - LHR

Nonstop6h 50mVirgin Atlantic

Sun 5/1009:40LHR - BOS

Nonstop7h 45mVirgin Atlantic

Deal found 15/9£338

Sun 5/1019:05BOS - LHR

Nonstop6h 40mVirgin Atlantic

Fri 31/1009:40LHR - BOS

Nonstop7h 50mVirgin Atlantic

Deal found 13/9£341

Wed 1/1020:15BOS - LHR

Nonstop6h 50mVirgin Atlantic

Fri 10/1018:15LHR - BOS

Nonstop7h 45mVirgin Atlantic

Deal found 15/9£342

Wed 29/1021:00BOS - LHR

Nonstop6h 50mVirgin Atlantic

Wed 5/1116:00LHR - BOS

Nonstop7h 35mVirgin Atlantic

Deal found 13/9£348

Sun 12/1022:55JFK - LHR

Nonstop7h 10mBritish Airways

Sun 19/1019:05LHR - JFK

Nonstop7h 54mBritish Airways

Deal found 12/9£348

Wed 15/1022:45BOS - LHR

Nonstop6h 45mVirgin Atlantic

Wed 22/1012:25LHR - BOS

Nonstop7h 55mVirgin Atlantic

Deal found 15/9£349

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

Fri 19/918:10JFK - LHR

1 stop11h 05mMultiple Airlines

Sun 21/908:30LHR - JFK

1 stop11h 38mMultiple Airlines

Deal found 14/9£318

Sat 20/922:05JFK - LHR

1 stop18h 55mTAP AIR PORTUGAL

Tue 30/911:20LHR - JFK

1 stop13h 45mTAP AIR PORTUGAL

Deal found 15/9£315

Fri 26/916:15JFK - LHR

1 stop20h 35mMultiple Airlines

Sun 28/917:50LHR - JFK

1 stop24h 10mMultiple Airlines

Deal found 13/9£324

Sun 28/923:59JFK - LHR

Nonstop6h 56mVirgin Atlantic

Sun 5/1010:55LHR - JFK

Nonstop8h 10mVirgin Atlantic

Deal found 12/9£319

Fri 3/1017:30JFK - LHR

1 stop11h 25mMultiple Airlines

Sun 5/1006:50LHR - JFK

1 stop11h 10mMultiple Airlines

Deal found 13/9£322

Fri 10/1022:55JFK - LHR

Nonstop7h 10mIberia

Mon 13/1017:00LHR - JFK

Nonstop7h 55mIberia

Deal found 13/9£329

Mon 13/1018:10JFK - LHR

Nonstop7h 10mBritish Airways

Mon 20/1017:00LHR - JFK

Nonstop7h 55mBritish Airways

Deal found 13/9£328

Wed 15/1016:15JFK - LHR

1 stop10h 40mSWISS

Wed 22/1006:00LHR - JFK

1 stop11h 50mSWISS

Deal found 15/9£327

Wed 15/1023:00BOS - LHR

1 stop16h 05mLEVEL

Wed 22/1020:50LHR - BOS

1 stop29h 25mLEVEL

Deal found 15/9£330

Thu 23/1022:05JFK - LHR

1 stop19h 50mTAP AIR PORTUGAL

Thu 20/1118:30LHR - JFK

1 stop30h 35mTAP AIR PORTUGAL

Deal found 14/9£316

Thu 23/1023:25JFK - LHR

Nonstop7h 00mVirgin Atlantic

Thu 20/1108:55LHR - JFK

1 stop12h 05mVirgin Atlantic

Deal found 14/9£326

Sat 25/1009:50JFK - LHR

2 stops28h 40mScandinavian Airlines

Sun 26/1021:05LHR - JFK

2 stops47h 40mScandinavian Airlines

Deal found 15/9£323

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 September 2025.

Mon 13/1022:05JFK - LHR

1 stop15h 45mTAP AIR PORTUGAL

Deal found 13/9£110

Sun 12/1022:05JFK - LHR

1 stop19h 50mTAP AIR PORTUGAL

Deal found 13/9£117

Fri 14/1122:00JFK - LHR

1 stop19h 40mTAP AIR PORTUGAL

Deal found 14/9£119

Wed 29/1023:00JFK - LHR

1 stop19h 40mTAP AIR PORTUGAL

Deal found 13/9£120

Tue 14/1022:05JFK - LHR

1 stop18h 55mTAP AIR PORTUGAL

Deal found 14/9£122

Wed 22/1022:05JFK - LHR

1 stop15h 45mTAP AIR PORTUGAL

Deal found 14/9£125

Wed 15/1022:05JFK - LHR

1 stop12h 30mTAP AIR PORTUGAL

Deal found 15/9£127

Sun 5/1016:40LAX - LHR

1 stop17h 05mTAP AIR PORTUGAL

Deal found 13/9£134

Sat 11/1016:40LAX - LHR

1 stop22h 15mTAP AIR PORTUGAL

Deal found 14/9£135

Tue 14/1010:15LGA - LHR

1 stop15h 15mAir Canada

Deal found 14/9£141

Fri 10/1016:40LAX - LHR

1 stop17h 05mTAP AIR PORTUGAL

Deal found 14/9£142

Tue 30/916:40LAX - LHR

1 stop21h 20mTAP AIR PORTUGAL

Deal found 13/9£147

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

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Tue 14/10

20:15-08:05

Nonstop6h 50m

London Heathrow

Tue 21/10

11:45-18:20

1 stop11h 35m

£355

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 5/2

08:05-20:00

Nonstop6h 55m

London Heathrow

Sun 8/2

10:20-19:05

1 stop13h 45m

£359

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 25/11

22:00-22:40

1 stop19h 40m

London Heathrow

Tue 2/12

08:15-20:05

1 stop16h 50m

£360

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 23/2

16:40-08:45

1 stop11h 05m

London Heathrow

Tue 3/3

09:00-16:20

1 stop12h 20m

£363

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Tue 11/11

20:00-07:50

Nonstop6h 50m

London Heathrow

Sun 16/11

08:55-16:20

1 stop12h 25m

£365

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 26/10

21:00-07:50

Nonstop6h 50m

London Heathrow

Sun 2/11

11:45-18:55

1 stop12h 10m

£366

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 12/10

06:00-06:30

1 stop19h 30m

London Heathrow

Sun 1/3

09:00-20:00

1 stop16h 00m

£368

NewarkLondon

EWR - LHR

EWRLHR

Newark

Sat 18/10

08:30-20:40

Nonstop7h 10m

London Heathrow

Tue 4/11

12:05-20:30

1 stop13h 25m

£368

NewarkLondon

EWR - LHR

EWRLHR

Newark

Tue 30/9

15:30-06:30

1 stop10h 00m

London Heathrow

Sun 25/1

12:05-20:30

1 stop13h 25m

£368

NewarkLondon

EWR - LHR

EWRLHR

Newark

Wed 15/10

22:00-10:10

Nonstop7h 10m

London Heathrow

Fri 31/10

09:00-21:30

1 stop16h 30m

£368

Flights are sorted by cheapest return flights first.

Deals found on 14/9

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 Tuesday, which is when the least amount of flights are scheduled (52 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

1,385 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

KLM

7.8

Good

1,385 reviews

KLM

7.8

Good

1,385 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

United Airlines

7.4

Good

8,929 reviews

KLM

7.8

Good

1,385 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Virgin Atlantic

7.4

Good

664 reviews

KLM

7.8

Good

1,385 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Iberia

7.0

Good

2,924 reviews

KLM

7.8

Good

1,385 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

British Airways

6.7

Okay

7,361 reviews

KLM

7.8

Good

1,385 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Related info for your journey

How long is the flight from USA to London Heathrow Airport?
Delta, TAP AIR PORTUGAL, and United Airlines can get you from USA to London Heathrow Airport in just under 6h 50m. Your travel time can differ by up to 12h 50m. 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 LEVEL. According to our data, you can fly for as low as £144. Users have also found prices from £164 and £164 on JetBlue and British Airways, 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 £262. On average you can expect to pay £1,229. The most popular route, (New York John F Kennedy Intl - London Heathrow), can usually be booked for £288.
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

Slough

Gatwick

Northampton

Luton

Deal

Wembley

Ilford

Crawley

Hayes

Watford

Winchester

Chichester

Ipswich

Swindon

Dartford

Guildford

Brentford

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
Air France	Cheapest£227	Average£578	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Virgin Atlantic	Cheapest£274	Average£545	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
KLM	Cheapest£284	Average£519	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Delta	Cheapest£291	Average£641	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
JetBlue	Cheapest£294	Average£530	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Scandinavian Airlines	Cheapest£301	Average£438	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
British Airways	Cheapest£302	Average£556	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Lufthansa	Cheapest£316	Average£612	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
United Airlines	Cheapest£342	Average£567	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Icelandair	Cheapest£358	Average£456	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.

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.

Cheap flights from the United States to London Heathrow Airport from £110

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 13/10. 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 15 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 15 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 15 September 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 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 15 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?

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

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?

Why should you use Cheapflights to find cheap flight tickets from USA to Heathrow?

Can Cheapflights find flights from USA to Heathrow with no change fees?

Can Cheapflights notify me if prices for flights from USA to Heathrow become cheaper?

100% Free

Book with Flexibility

Travel Smart

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 September 2025.