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 £130. Users have also found prices from £165 and £180 on Virgin Atlantic and SWISS, respectively.

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

The most popular flight routes from USA to London Heathrow Airport are New York John F Kennedy Intl - London Heathrow, Newark - London Heathrow and New York LaGuardia - London Heathrow.

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

The cheapest flight price from USA to London Heathrow Airport is £291. On average you can expect to pay £2,008. The most popular route, (New York John F Kennedy Intl - London Heathrow), can usually be booked for £322.

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: Singapore Airlines (90%), 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 Alaska Airlines. 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 24% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £484 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £534.

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 £437 for the month, but tickets can be as low as £290. 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.

£339+ Flights from the United States to London Heathrow Airport

Cheap flight deals from USA to Heathrow

Round-trip from	£352
One-way from	£130
Popular in	December
Cheapest in	January
Average price	£443
Good round-trip deal	£344 or less
Good one-way deal	£228 or less

Brussels Airlines
4/4-6/4
3 total stops
54h 40m total
USA to London

Search Deals

Icelandair
31/3
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 March 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 8 March 2025.

Fri 4/418:10JFK - LHR

1 stop21h 45mBrussels Airlines

Sun 6/411:05LHR - JFK

2 stops32h 55mBrussels Airlines

Deal found 6/3£352

Mon 26/523:55JFK - LHR

1 stop11h 30mMultiple Airlines

Thu 29/507:05LHR - JFK

1 stop19h 55mMultiple Airlines

Deal found 7/3£353

Fri 4/418:10JFK - LHR

1 stop11h 05mUnited Airlines

Sun 6/409:30LHR - JFK

1 stop17h 17mUnited Airlines

Deal found 7/3£354

Wed 23/420:25JFK - LHR

1 stop18h 55mIcelandair

Wed 30/413:05LHR - JFK

1 stop11h 05mIcelandair

Deal found 7/3£363

Sat 5/417:10JFK - LHR

1 stop11h 25mScandinavian Airlines

Mon 7/407:05LHR - JFK

1 stop13h 35mScandinavian Airlines

Deal found 7/3£370

Tue 1/422:05JFK - LHR

1 stop14h 40mTAP AIR PORTUGAL

Wed 30/411:20LHR - JFK

1 stop13h 45mTAP AIR PORTUGAL

Deal found 7/3£370

Mon 7/418:55LGA - LHR

1 stop10h 05mAir Canada

Mon 14/409:30LHR - LGA

1 stop10h 23mAir Canada

Deal found 8/3£373

Thu 3/419:29LGA - LHR

1 stop10h 11mUnited Airlines

Thu 10/409:30LHR - LGA

1 stop10h 23mUnited Airlines

Deal found 7/3£380

Sun 6/422:55JFK - LHR

Nonstop7h 10mBritish Airways

Sun 13/419:40LHR - JFK

Nonstop7h 50mBritish Airways

Deal found 7/3£383

Thu 20/322:00JFK - LHR

1 stop33h 15mSWISS

Sun 23/309:00LHR - JFK

1 stop34h 40mSWISS

Deal found 7/3£387

Tue 8/420:30BWI - LHR

1 stop10h 25mIcelandair

Tue 15/413:05LHR - BWI

1 stop11h 20mIcelandair

Deal found 7/3£390

Thu 1/518:00JFK - LHR

Nonstop7h 25mVirgin Atlantic

Wed 7/512:25LHR - JFK

Nonstop8h 05mVirgin Atlantic

Deal found 7/3£395

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 8 March 2025.

Fri 4/418:10JFK - LHR

1 stop21h 45mBrussels Airlines

Sun 6/411:05LHR - JFK

2 stops32h 55mBrussels Airlines

Deal found 6/3£352

Mon 26/523:55JFK - LHR

1 stop11h 30mMultiple Airlines

Thu 29/507:05LHR - JFK

1 stop19h 55mMultiple Airlines

Deal found 7/3£353

Fri 4/418:10JFK - LHR

1 stop11h 05mUnited Airlines

Sun 6/409:30LHR - JFK

1 stop17h 17mUnited Airlines

Deal found 7/3£354

Wed 23/420:25JFK - LHR

1 stop18h 55mIcelandair

Wed 30/413:05LHR - JFK

1 stop11h 05mIcelandair

Deal found 7/3£363

Sat 5/417:10JFK - LHR

1 stop11h 25mScandinavian Airlines

Mon 7/407:05LHR - JFK

1 stop13h 35mScandinavian Airlines

Deal found 7/3£370

Tue 1/422:05JFK - LHR

1 stop14h 40mTAP AIR PORTUGAL

Wed 30/411:20LHR - JFK

1 stop13h 45mTAP AIR PORTUGAL

Deal found 7/3£370

Mon 7/418:55LGA - LHR

1 stop10h 05mAir Canada

Mon 14/409:30LHR - LGA

1 stop17h 30mAir Canada

Deal found 8/3£379

Thu 20/322:00JFK - LHR

1 stop33h 15mSWISS

Sun 23/309:00LHR - JFK

1 stop34h 40mSWISS

Deal found 7/3£387

Thu 1/518:00JFK - LHR

Nonstop7h 25mVirgin Atlantic

Wed 7/512:25LHR - JFK

Nonstop8h 05mVirgin Atlantic

Deal found 7/3£395

Thu 27/300:45JFK - LHR

Nonstop6h 55mBritish Airways

Sat 5/419:50LHR - JFK

1 stop26h 20mBritish Airways

Deal found 7/3£398

Thu 20/309:00JFK - LHR

Nonstop7h 10mDelta

Fri 28/310:10LHR - JFK

Nonstop8h 15mDelta

Deal found 7/3£428

Tue 29/407:25BOS - LHR

Nonstop6h 30mIberia

Tue 13/511:30LHR - BOS

1 stop13h 20mIberia

Deal found 7/3£439

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 8 March 2025.

Mon 21/420:20JFK - LHR

Nonstop7h 30mVirgin Atlantic

Mon 28/420:10LHR - JFK

Nonstop7h 50mVirgin Atlantic

Deal found 7/3£378

Sun 23/300:45JFK - LHR

Nonstop6h 55mBritish Airways

Mon 31/318:05LHR - JFK

Nonstop7h 55mBritish Airways

Deal found 7/3£381

Sun 6/418:00JFK - LHR

Nonstop7h 25mMultiple Airlines

Sun 13/418:15LHR - JFK

Nonstop7h 45mMultiple Airlines

Deal found 7/3£407

Mon 7/421:50JFK - LHR

Nonstop7h 25mDelta

Mon 14/416:05LHR - JFK

Nonstop8h 35mDelta

Deal found 7/3£407

Mon 21/420:20JFK - LHR

Nonstop7h 30mKLM

Mon 28/416:05LHR - JFK

Nonstop8h 35mKLM

Deal found 6/3£414

Fri 28/322:35EWR - LHR

Nonstop6h 50mBritish Airways

Mon 7/416:35LHR - EWR

Nonstop7h 50mBritish Airways

Deal found 6/3£421

Sun 6/421:40EWR - LHR

Nonstop7h 30mUnited Airlines

Sun 13/418:00LHR - EWR

Nonstop8h 10mUnited Airlines

Deal found 7/3£427

Tue 18/321:10BOS - LHR

Nonstop6h 45mVirgin Atlantic

Tue 25/308:50LHR - BOS

Nonstop7h 45mVirgin Atlantic

Deal found 7/3£433

Mon 17/300:20JFK - LHR

Nonstop6h 55mFinnair

Fri 21/316:25LHR - JFK

Nonstop8h 10mFinnair

Deal found 7/3£433

Thu 1/520:00BOS - LHR

Nonstop6h 50mBritish Airways

Sat 10/508:55LHR - BOS

Nonstop7h 15mBritish Airways

Deal found 6/3£435

Sat 26/417:55EWR - LHR

Nonstop6h 55mIberia

Fri 2/516:35LHR - EWR

Nonstop7h 50mIberia

Deal found 6/3£435

Sun 23/323:00BOS - LHR

Nonstop6h 30mFinnair

Fri 28/319:05LHR - BOS

Nonstop7h 50mFinnair

Deal found 7/3£441

Last-minute flights from USA to Heathrow
Discover last-minute flight deals from USA to Heathrow. Data last updated 8 March 2025 and is based on user searches.

Fri 14/319:25JFK - LHR

1 stop21h 25mMultiple Airlines

Sun 16/312:05LHR - JFK

1 stop31h 30mMultiple Airlines

Deal found 7/3£378

Fri 14/319:25JFK - LHR

1 stop10h 40mBrussels Airlines

Sun 16/307:10LHR - JFK

2 stops18h 00mBrussels Airlines

Deal found 7/3£411

Fri 14/318:10BOS - LHR

1 stop22h 25mMultiple Airlines

Sun 16/320:15LHR - BOS

1 stop27h 20mMultiple Airlines

Deal found 7/3£418

Fri 14/313:00EWR - LHR

1 stop27h 35mMultiple Airlines

Mon 17/306:00LHR - EWR

1 stop13h 15mMultiple Airlines

Deal found 7/3£421

Sun 16/300:45JFK - LHR

Nonstop6h 55mBritish Airways

Mon 24/315:35LHR - JFK

Nonstop8h 05mBritish Airways

Deal found 7/3£406

Sun 16/312:45LGA - LHR

1 stop14h 25mAir Canada

Thu 27/315:00LHR - LGA

1 stop22h 30mAir Canada

Deal found 8/3£413

Sun 16/310:30EWR - LHR

1 stop16h 40mUnited Airlines

Mon 24/308:55LHR - EWR

1 stop16h 35mUnited Airlines

Deal found 6/3£438

Mon 17/317:40JFK - LHR

1 stop10h 10mIberia

Mon 24/319:00LHR - JFK

Nonstop8h 00mIberia

Deal found 7/3£407

Mon 17/319:30EWR - LHR

1 stop15h 05mScandinavian Airlines

Tue 25/321:05LHR - EWR

2 stops21h 20mScandinavian Airlines

Deal found 6/3£424

Mon 17/315:40JFK - LHR

1 stop10h 50mAir Canada

Mon 24/314:30LHR - JFK

1 stop12h 08mAir Canada

Deal found 7/3£424

Mon 17/319:40JFK - LHR

1 stop21h 45mAer Lingus

Mon 24/310:00LHR - JFK

1 stop11h 25mAer Lingus

Deal found 7/3£437

Tue 18/307:00BOS - LHR

1 stop20h 10mAir Canada

Tue 25/309:00LHR - BOS

1 stop12h 25mAir Canada

Deal found 7/3£424

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 8 March 2025.

Mon 31/320:25JFK - LHR

1 stop10h 30mIcelandair

Deal found 7/3£130

Wed 23/420:30BWI - LHR

1 stop10h 25mIcelandair

Deal found 7/3£139

Tue 8/423:00JFK - LHR

Nonstop7h 10mVirgin Atlantic

Deal found 7/3£165

Tue 1/419:51BWI - LHR

2 stops35h 04mMultiple Airlines

Deal found 7/3£172

Tue 25/311:56LGA - LHR

2 stops18h 54mMultiple Airlines

Deal found 7/3£179

Sun 16/317:25JFK - LHR

1 stop10h 40mSWISS

Deal found 7/3£180

Sat 12/723:35BOS - LHR

1 stop31h 20mIcelandair

Deal found 7/3£183

Tue 18/323:55JFK - LHR

Nonstop7h 15mKLM

Deal found 7/3£183

Tue 1/413:00JFK - LHR

2 stops17h 55mMultiple Airlines

Deal found 7/3£187

Tue 25/308:31EWR - LHR

3 stops22h 19mMultiple Airlines

Deal found 7/3£187

Wed 2/419:00BOS - LHR

Nonstop6h 45mKLM

Deal found 6/3£189

Wed 23/420:00BOS - LHR

Nonstop6h 50mAmerican Airlines

Deal found 7/3£190

Find flights from USA to Heathrow within your budget

Fly from

Fly to

Route

Depart

Return

Price

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 4/4

18:10-20:55

1 stop21h 45m

London Heathrow

Sun 6/4

11:05-15:00

2 stops32h 55m

£352

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 26/5

23:55-16:25

1 stop11h 30m

London Heathrow

Thu 29/5

07:05-22:00

1 stop19h 55m

£353

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 4/4

18:10-10:15

1 stop11h 05m

London Heathrow

Sun 6/4

09:30-21:47

1 stop17h 17m

£354

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 23/4

20:25-20:20

1 stop18h 55m

London Heathrow

Wed 30/4

13:05-19:10

1 stop11h 05m

£363

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sat 5/4

17:10-09:35

1 stop11h 25m

London Heathrow

Mon 7/4

07:05-15:40

1 stop13h 35m

£370

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 1/4

22:05-17:45

1 stop14h 40m

London Heathrow

Wed 30/4

11:20-20:05

1 stop13h 45m

£370

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 7/4

18:55-10:00

1 stop10h 05m

London Heathrow

Mon 14/4

09:30-22:00

1 stop17h 30m

£379

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Thu 3/4

19:29-10:40

1 stop10h 11m

London Heathrow

Thu 10/4

09:30-14:53

1 stop10h 23m

£380

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sun 6/4

22:55-11:05

Nonstop7h 10m

London Heathrow

Sun 13/4

19:40-22:30

Nonstop7h 50m

£383

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 20/3

22:00-11:15

1 stop33h 15m

London Heathrow

Sun 23/3

09:00-15:40

1 stop34h 40m

£387

Flights are sorted by cheapest return flights first.

Deals found on 7/3

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.

Travel insights for flights from USA to Heathrow

Get recent, data-driven insights about flights from USA to Heathrow including ideal travel times, pricing trends, and more.

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.

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, Alaska Airlines and KLM. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

8,024 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

8,024 reviews

Delta

8.0

Very Good

8,024 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.

Alaska Airlines

8.0

Very Good

9,716 reviews

Delta

8.0

Very Good

8,024 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

1,322 reviews

Delta

8.0

Very Good

8,024 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

1,271 reviews

Delta

8.0

Very Good

8,024 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

7.5

Good

765 reviews

Delta

8.0

Very Good

8,024 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 £130. Users have also found prices from £165 and £180 on Virgin Atlantic and SWISS, respectively.
What are the most popular routes from USA to London Heathrow Airport?
The most popular flight routes from USA to London Heathrow Airport are New York John F Kennedy Intl - London Heathrow, Newark - London Heathrow and New York LaGuardia - London Heathrow.
What are the most reliable airlines from USA to London Heathrow Airport?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from USA to London Heathrow Airport on time: Singapore Airlines (90%), 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 £291. On average you can expect to pay £2,008. The most popular route, (New York John F Kennedy Intl - London Heathrow), can usually be booked for £322.
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

Croydon

Luton

Slough

Hayes

Ilford

Eastbourne

Swindon

Northampton

Southend-on-Sea

Crawley

Ipswich

Maidstone

Winchester

Wembley

Southall

Watford

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£239	Average£562	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Norse Atlantic UK	Cheapest£254	Average£456	FlexibilityNo cancel fee	On-timeN/A	Search Norse Atlantic UK flights
Virgin Atlantic	Cheapest£291	Average£590	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
KLM	Cheapest£299	Average£569	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Delta	Cheapest£306	Average£617	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
JetBlue	Cheapest£307	Average£627	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Finnair	Cheapest£316	Average£638	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Scandinavian Airlines	Cheapest£316	Average£566	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
British Airways	Cheapest£319	Average£638	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Lufthansa	Cheapest£350	Average£693	FlexibilityNo cancel fee	On-time76%	Search Lufthansa 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 £130

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 31/3. 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 8 March 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 8 March 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 8 March 2025.

Find flights from USA to Heathrow within your budget

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.

Travel insights for flights from USA to Heathrow

Get recent, data-driven insights about flights from USA to Heathrow including ideal travel times, pricing trends, and more.

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 8 March 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, Alaska Airlines and KLM. 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 8 March 2025.