How long is the flight from North America to London Heathrow Airport?

Airlines like LEVEL, Lufthansa, and United Airlines fly from North America to London Heathrow Airport in about 14h 40m. The time it takes to get you to your destination can typically vary by up to 15h 10m. Airlines will cover a distance of 3254 mi. This flight may include one or multiple stops.

What are the cheapest airlines to fly from North America 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 £125. Users have also found prices from £148 and £148 on Icelandair and JetBlue, 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 North America to London Heathrow Airport?

Most travelers choose New York John F Kennedy Intl - London Heathrow, Newark - London Heathrow or New York LaGuardia - London Heathrow when deciding on the best route from North America to London Heathrow Airport.

What are the cheapest flights from North America to London Heathrow Airport?

The cheapest flight price from North America to London Heathrow Airport is £277. On average you can expect to pay £1,324. The most popular route, (New York John F Kennedy Intl - London Heathrow), can usually be booked for £282.

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

Consider KLM (94%), Air France (94%) or Delta (94%) when booking your flight. These represent the most reliable airlines when flying from North America to London Heathrow Airport.

What are the most popular airlines that fly from North America to London Heathrow Airport?

The most popular airlines flying from North America 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 North America to London Heathrow Airport?

Find a great deal and save up to 22% by booking at least 31 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from North America to London Heathrow Airport within the next two weeks, with the cheapest ticket starting at £457.

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

Flights from North America to London Heathrow Airport lean towards being more expensive in December. Prices are generally better when you fly from North America to London Heathrow Airport in January, with the cheapest ticket starting at £277.

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

Yes. In addition to deals on North America to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from North America to Heathrow?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from North America to Heathrow.

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

Yes. Cheapflights offers flight deals from North America 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.

£116+ Flights from North America to London Heathrow Airport

Cheap flight deals from North America to Heathrow

Round-trip from	£309
One-way from	£116
Popular in	December
Cheapest in	January
Average price	£414
Good round-trip deal	£350 or less
Good one-way deal	£165 or less

Iberia
26/9-28/9
2 total stops
42h 45m total
North America to London

Search Deals

TAP AIR PORTUGAL
23/9
1 total stop
19h 50m total
North America 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 August 2025

Search Deals

Price to beat on a round-trip flight from North America to London Heathrow.

Search Deals

Price to beat on a one-way flight from North America to London Heathrow.

Search Deals

Find flight deals from North America to Heathrow

Cheapest flights from North America to Heathrow
Explore the most affordable flight options available from North America to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 August 2025.

Fri 26/916:50JFK - LHR

1 stop11h 40mIberia

Sun 28/908:55LHR - JFK

1 stop31h 05mIberia

Deal found 25/8£309

Sun 9/1123:45JFK - LHR

1 stop28h 25mLEVEL

Fri 14/1109:55LHR - JFK

1 stop17h 05mLEVEL

Deal found 25/8£310

Fri 17/1019:25JFK - LHR

1 stop16h 10mMultiple Airlines

Sun 19/1006:50LHR - JFK

1 stop11h 10mMultiple Airlines

Deal found 24/8£314

Sat 11/1018:55JFK - LHR

1 stop17h 45mScandinavian Airlines

Mon 13/1007:05LHR - JFK

1 stop13h 35mScandinavian Airlines

Deal found 25/8£314

Fri 5/917:30JFK - LHR

1 stop14h 20mMultiple Airlines

Sun 7/908:45LHR - JFK

1 stop33h 05mMultiple Airlines

Deal found 24/8£315

Fri 5/1217:35JFK - LHR

2 stops35h 00mScandinavian Airlines

Sun 7/1218:40LHR - JFK

1 stop26h 05mScandinavian Airlines

Deal found 25/8£316

Fri 19/919:25JFK - LHR

1 stop13h 15mMultiple Airlines

Sun 21/906:50LHR - JFK

1 stop11h 10mMultiple Airlines

Deal found 24/8£321

Sat 22/1108:05JFK - LHR

Nonstop6h 55mAmerican Airlines

Sun 23/1106:15LHR - JFK

1 stop12h 05mAmerican Airlines

Deal found 24/8£322

Fri 12/915:15JFK - LHR

1 stop10h 40mIberia

Sun 14/906:10LHR - JFK

1 stop13h 40mIberia

Deal found 24/8£324

Tue 23/915:15BOS - LHR

2 stops14h 00mMultiple Airlines

Thu 25/907:00LHR - BOS

2 stops17h 55mMultiple Airlines

Deal found 25/8£337

Fri 14/1117:35BOS - LHR

1 stop10h 45mScandinavian Airlines

Sun 16/1106:40LHR - BOS

2 stops14h 10mScandinavian Airlines

Deal found 25/8£338

Tue 23/922:45BOS - LHR

Nonstop6h 45mVirgin Atlantic

Thu 25/909:00LHR - BOS

1 stop16h 20mVirgin Atlantic

Deal found 25/8£339

Best flights from North America to Heathrow
Discover carefully curated flight deals from North America to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 26 August 2025.

Tue 13/123:45JFK - LHR

1 stop28h 25mLEVEL

Mon 2/209:55LHR - JFK

1 stop17h 05mLEVEL

Deal found 24/8£323

Sun 28/922:00BOS - LHR

1 stop14h 40mLufthansa

Tue 30/910:50LHR - BOS

1 stop11h 50mLufthansa

Deal found 25/8£340

Fri 16/109:45JFK - LHR

2 stops29h 50mUnited Airlines

Sun 18/107:00LHR - JFK

1 stop12h 40mUnited Airlines

Deal found 23/8£351

Sat 25/1017:10JFK - LHR

1 stop12h 25mScandinavian Airlines

Mon 27/1006:40LHR - JFK

1 stop14h 05mScandinavian Airlines

Deal found 23/8£351

Mon 29/918:35BOS - LHR

1 stop9h 30mAer Lingus

Sun 5/1013:25LHR - BOS

1 stop10h 20mAer Lingus

Deal found 25/8£353

Thu 5/218:15JFK - LHR

Nonstop7h 00mFinnair

Sun 8/210:20LHR - JFK

1 stop13h 45mFinnair

Deal found 23/8£359

Mon 10/1107:30BOS - LHR

Nonstop6h 30mMultiple Airlines

Sun 23/1109:15LHR - BOS

1 stop15h 35mMultiple Airlines

Deal found 24/8£367

Tue 23/919:25ORD - LHR

1 stop10h 30mIcelandair

Tue 30/921:25LHR - ORD

1 stop26h 50mIcelandair

Deal found 25/8£374

Tue 7/1022:50LAX - LHR

Nonstop10h 25mDelta

Fri 24/1008:40LHR - LAX

1 stop14h 10mDelta

Deal found 25/8£377

Wed 24/922:50LAX - LHR

Nonstop10h 25mVirgin Atlantic

Wed 1/1006:30LHR - LAX

1 stop16h 20mVirgin Atlantic

Deal found 25/8£377

Wed 24/915:24ORD - LHR

1 stop10h 26mIberia

Wed 1/1020:00LHR - ORD

1 stop24h 15mIberia

Deal found 25/8£383

Sat 20/921:05JFK - LHR

1 stop11h 20mAer Lingus

Tue 30/909:50LHR - JFK

1 stop12h 00mAer Lingus

Deal found 23/8£354

Direct flights from North America to Heathrow
Explore direct flight options from North America to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 26 August 2025.

Tue 7/1019:00JFK - LHR

Nonstop7h 15mVirgin Atlantic

Tue 14/1018:50LHR - JFK

Nonstop7h 39mVirgin Atlantic

Deal found 23/8£331

Mon 22/909:50JFK - LHR

Nonstop6h 50mBritish Airways

Mon 29/919:40LHR - JFK

Nonstop7h 50mBritish Airways

Deal found 23/8£339

Tue 23/909:50JFK - LHR

Nonstop6h 50mBritish Airways

Tue 30/918:05LHR - JFK

Nonstop7h 55mBritish Airways

Deal found 24/8£340

Fri 12/909:45JFK - LHR

Nonstop6h 55mIberia

Sun 15/215:35LHR - JFK

Nonstop8h 05mIberia

Deal found 23/8£341

Tue 23/907:25BOS - LHR

Nonstop6h 30mBritish Airways

Tue 30/914:40LHR - BOS

Nonstop7h 30mBritish Airways

Deal found 24/8£342

Mon 6/1009:50JFK - LHR

Nonstop6h 50mBritish Airways

Thu 9/1018:05LHR - JFK

Nonstop7h 55mBritish Airways

Deal found 22/8£347

Thu 4/919:00JFK - LHR

Nonstop7h 15mVirgin Atlantic

Wed 10/920:25LHR - JFK

Nonstop7h 50mVirgin Atlantic

Deal found 23/8£348

Mon 22/921:55JFK - LHR

Nonstop7h 20mVirgin Atlantic

Tue 30/912:25LHR - JFK

Nonstop8h 05mVirgin Atlantic

Deal found 23/8£352

Fri 5/908:45JFK - LHR

Nonstop7h 00mJetBlue

Fri 26/908:15LHR - JFK

Nonstop7h 59mJetBlue

Deal found 23/8£353

Wed 24/920:59JFK - LHR

Nonstop7h 31mJetBlue

Tue 14/1008:15LHR - JFK

Nonstop7h 56mJetBlue

Deal found 25/8£354

Mon 6/1018:13BOS - LHR

Nonstop7h 17mJetBlue

Tue 21/1008:25LHR - BOS

Nonstop7h 57mJetBlue

Deal found 24/8£355

Mon 22/908:45JFK - LHR

Nonstop7h 00mJetBlue

Wed 1/1008:15LHR - JFK

Nonstop7h 59mJetBlue

Deal found 24/8£355

Last-minute flights from North America to Heathrow
Discover last-minute flight deals from North America to Heathrow. Data last updated 26 August 2025 and is based on user searches.

Thu 4/916:15JFK - LHR

1 stop10h 40mSWISS

Wed 10/906:00LHR - JFK

1 stop11h 50mSWISS

Deal found 23/8£329

Fri 5/917:30JFK - LHR

1 stop14h 20mMultiple Airlines

Sun 7/908:45LHR - JFK

1 stop33h 05mMultiple Airlines

Deal found 24/8£315

Fri 5/917:05BOS - LHR

1 stop19h 45mMultiple Airlines

Sun 7/909:05LHR - BOS

1 stop33h 45mMultiple Airlines

Deal found 25/8£340

Thu 11/921:30JFK - LHR

1 stop29h 20mIberia

Sun 14/906:10LHR - JFK

1 stop13h 40mIberia

Deal found 24/8£328

Fri 12/918:25JFK - LHR

1 stop9h 40mAer Lingus

Sun 15/212:10LHR - JFK

1 stop12h 19mAer Lingus

Deal found 23/8£314

Fri 12/922:55JFK - LHR

Nonstop7h 10mIberia

Sun 14/906:10LHR - JFK

1 stop13h 40mIberia

Deal found 23/8£321

Fri 12/916:15JFK - LHR

1 stop10h 40mMultiple Airlines

Sun 14/907:25LHR - JFK

1 stop12h 35mMultiple Airlines

Deal found 25/8£332

Tue 23/918:25JFK - LHR

1 stop9h 40mAer Lingus

Tue 30/909:50LHR - JFK

1 stop12h 00mAer Lingus

Deal found 24/8£331

Tue 23/915:15BOS - LHR

2 stops14h 00mMultiple Airlines

Thu 25/907:00LHR - BOS

2 stops17h 55mMultiple Airlines

Deal found 25/8£337

Tue 23/922:45BOS - LHR

Nonstop6h 45mVirgin Atlantic

Thu 25/909:00LHR - BOS

1 stop16h 20mVirgin Atlantic

Deal found 25/8£339

Fri 26/916:50JFK - LHR

1 stop11h 40mIberia

Sun 28/908:55LHR - JFK

1 stop31h 05mIberia

Deal found 25/8£309

Mon 29/920:05JFK - LHR

Nonstop7h 10mBritish Airways

Tue 30/911:30LHR - JFK

1 stop12h 25mBritish Airways

Deal found 24/8£328

One-way flights from North America to Heathrow
Search for one-way flight options from North America to Heathrow. Find affordable one-way fares based on user searches. Data last updated 26 August 2025.

Tue 23/922:05JFK - LHR

1 stop19h 50mTAP AIR PORTUGAL

Deal found 24/8£116

Sun 5/1022:05JFK - LHR

1 stop19h 50mTAP AIR PORTUGAL

Deal found 25/8£118

Wed 15/1022:05JFK - LHR

1 stop14h 40mTAP AIR PORTUGAL

Deal found 25/8£120

Tue 21/1022:05JFK - LHR

1 stop14h 40mTAP AIR PORTUGAL

Deal found 25/8£122

Mon 22/922:05JFK - LHR

1 stop18h 55mTAP AIR PORTUGAL

Deal found 23/8£122

Sun 28/916:40LAX - LHR

1 stop17h 05mTAP AIR PORTUGAL

Deal found 24/8£123

Sat 29/1116:45LAX - LHR

1 stop20h 50mTAP AIR PORTUGAL

Deal found 24/8£125

Thu 16/1022:05JFK - LHR

1 stop14h 40mTAP AIR PORTUGAL

Deal found 25/8£125

Sun 12/1016:40LAX - LHR

1 stop21h 20mTAP AIR PORTUGAL

Deal found 25/8£125

Sun 19/1016:40LAX - LHR

1 stop18h 10mTAP AIR PORTUGAL

Deal found 24/8£129

Sun 21/916:40LAX - LHR

1 stop22h 15mTAP AIR PORTUGAL

Deal found 24/8£130

Sat 25/1016:40LAX - LHR

1 stop37h 00mTAP AIR PORTUGAL

Deal found 25/8£134

Cheapflights Fare Finder

Use the filters below to find and compare flights from North America 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

Tue 13/1

23:45-09:10

1 stop28h 25m

London Heathrow

Mon 2/2

09:55-22:00

1 stop17h 05m

£323

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 28/9

22:00-17:40

1 stop14h 40m

London Heathrow

Tue 30/9

10:50-17:40

1 stop11h 50m

£340

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 16/1

09:45-20:35

2 stops29h 50m

London Heathrow

Sun 18/1

07:00-14:40

1 stop12h 40m

£351

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sat 25/10

17:10-10:35

1 stop12h 25m

London Heathrow

Mon 27/10

06:40-16:45

1 stop14h 05m

£351

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 29/9

18:35-09:05

1 stop9h 30m

London Heathrow

Sun 5/10

13:25-18:45

1 stop10h 20m

£353

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sat 20/9

21:05-13:25

1 stop11h 20m

London Heathrow

Tue 30/9

09:50-16:50

1 stop12h 00m

£354

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 3/11

23:45-09:10

1 stop28h 25m

London Heathrow

Mon 10/11

09:55-22:00

1 stop17h 05m

£355

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 3/10

06:00-09:35

1 stop22h 35m

London Heathrow

Sun 5/10

06:50-16:22

2 stops14h 32m

£357

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 5/2

18:15-06:15

Nonstop7h 00m

London Heathrow

Sun 8/2

10:20-19:05

1 stop13h 45m

£359

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 26/9

21:40-16:25

1 stop13h 45m

London Heathrow

Sun 28/9

09:30-14:30

1 stop10h 00m

£364

Flights are sorted by cheapest return flights first.

Deals found on 25/8

Showing 1-10 of 60 results

...

Best time to book a flight from North America to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from North America 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 North America to London Heathrow Airport

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

Currently, January is the cheapest month in which you can book a flight from North America to London Heathrow Airport (average of £112). Flying from North America 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 NA to LHR?

When flying from North America to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from North America to London Heathrow Airport

The most flights from 0NA 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 through reviews of airlines operating flights from North America to London Heathrow Airport, such as Virgin Atlantic, Air Canada, andIberia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Virgin Atlantic

7.4

Good

658 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Jorge,Jun 2025

SFO - LHR

Exceptional, the flight attendant were amazing. My economy delight seat was very comfortable, and I was fortunate enough to have an empty row

Virgin Atlantic

7.4

Good

658 reviews

Virgin Atlantic

7.4

Good

658 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Jorge,Jun 2025

SFO - LHR

Exceptional, the flight attendant were amazing. My economy delight seat was very comfortable, and I was fortunate enough to have an empty row

Air Canada

7.1

Good

10,000 reviews

Virgin Atlantic

7.4

Good

658 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Jorge,Jun 2025

SFO - LHR

Exceptional, the flight attendant were amazing. My economy delight seat was very comfortable, and I was fortunate enough to have an empty row

Iberia

7.0

Good

2,891 reviews

Virgin Atlantic

7.4

Good

658 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Jorge,Jun 2025

SFO - LHR

Exceptional, the flight attendant were amazing. My economy delight seat was very comfortable, and I was fortunate enough to have an empty row

Lufthansa

6.8

Okay

7,359 reviews

Virgin Atlantic

7.4

Good

658 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Jorge,Jun 2025

SFO - LHR

Exceptional, the flight attendant were amazing. My economy delight seat was very comfortable, and I was fortunate enough to have an empty row

British Airways

6.7

Okay

7,309 reviews

Virgin Atlantic

7.4

Good

658 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Jorge,Jun 2025

SFO - LHR

Exceptional, the flight attendant were amazing. My economy delight seat was very comfortable, and I was fortunate enough to have an empty row

Related info for your journey

How long is the flight from North America to London Heathrow Airport?
Airlines like LEVEL, Lufthansa, and United Airlines fly from North America to London Heathrow Airport in about 14h 40m. The time it takes to get you to your destination can typically vary by up to 15h 10m. Airlines will cover a distance of 3254 mi. This flight may include one or multiple stops.
What are the cheapest airlines to fly from North America 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 £125. Users have also found prices from £148 and £148 on Icelandair and JetBlue, respectively.
What are the most popular routes from North America to London Heathrow Airport?
Most travelers choose New York John F Kennedy Intl - London Heathrow, Newark - London Heathrow or New York LaGuardia - London Heathrow when deciding on the best route from North America to London Heathrow Airport.
What are the most reliable airlines from North America to London Heathrow Airport?
Consider KLM (94%), Air France (94%) or Delta (94%) when booking your flight. These represent the most reliable airlines when flying from North America to London Heathrow Airport.
What are the cheapest flights from North America to London Heathrow Airport?
The cheapest flight price from North America to London Heathrow Airport is £277. On average you can expect to pay £1,324. The most popular route, (New York John F Kennedy Intl - London Heathrow), can usually be booked for £282.
Can I find deals for flights from North America to Heathrow that include hotel bookings?
Yes. In addition to deals on North America to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from North America to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from North America to Heathrow.
Can I find deals for business class flights from North America to Heathrow?
Yes. Cheapflights offers flight deals from North America 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 North America to London Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from North America to London Heathrow Airport (average of £112). Flying from North America 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

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Gatwick

Slough

Northampton

Luton

Deal

Wembley

Ilford

Crawley

Hayes

Watford

Folkestone

Ipswich

Chichester

Winchester

Eastbourne

Swindon

Dartford

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from North America to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
Air France	Cheapest£229	Average£551	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Virgin Atlantic	Cheapest£275	Average£537	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
KLM	Cheapest£286	Average£505	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Delta	Cheapest£293	Average£610	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
JetBlue	Cheapest£294	Average£581	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Scandinavian Airlines	Cheapest£302	Average£438	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
British Airways	Cheapest£306	Average£557	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Lufthansa	Cheapest£317	Average£619	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
United Airlines	Cheapest£344	Average£569	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Icelandair	Cheapest£360	Average£423	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights

Fly with Cheapflights

How does Cheapflights help users find flights from North America to Heathrow?

Deals for North America to Heathrow flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights helps you find that perfect flight to Heathrow from North America by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Need flexible booking options for your flight to Heathrow from North America? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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Cheap flights from North America to London Heathrow Airport from £116

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 23/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from North America to Heathrow

Keep the following information in mind while searching for North America to Heathrow flight deals. Data was last updated 26 August 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 North America to Heathrow

Cheapest flights from North America to HeathrowExplore the most affordable flight options available from North America to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 August 2025.

Explore the most affordable flight options available from North America to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 August 2025.

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

Best time to book a flight from North America to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from North America with our price prediction graph.

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Everything you need to know about your flight from North America to London Heathrow Airport

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

What is the cheapest time of day to fly from NA to LHR?

Find hourly flight availability from North America 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 26 August 2025.

Weekly flight availability from North America to London Heathrow Airport

Reviews of airlines servicing Heathrow

Read through reviews of airlines operating flights from North America to London Heathrow Airport, such as Virgin Atlantic, Air Canada, andIberia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from North America 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 North America to London Heathrow Airport?

What are the cheapest airlines to fly from North America to London Heathrow Airport one-way?

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

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

What are the cheapest flights from North America to London Heathrow Airport?

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

How can I find direct flights from North America to Heathrow?

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

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

Travelling to a place near London Heathrow Airport?

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Alternative routes for North America to Heathrow

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Top 10 airlines flying from North America to Heathrow

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Cheapest flights from North America to Heathrow
Explore the most affordable flight options available from North America to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 August 2025.