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Cheap flights from North America to London from £134

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from North America to London departing on 16/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

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Aer Lingus Logo
17:45 - 08:05
EWR
-
LHR
9h 20m1 stop
Aer Lingus Logo
09:50 - 16:15
LHR
-
EWR
11h 25m1 stop
£368Aer Lingus
Sat, 24 Jan - Wed, 28 Jan
Aer Lingus Logo
17:45 - 11:25
EWR
-
LHR
12h 40m1 stop
Aer Lingus Logo
08:50 - 16:15
LHR
-
EWR
12h 25m1 stop
£368Aer Lingus
Mon, 12 Jan - Fri, 16 Jan
United Airlines Logo
18:00 - 06:20
EWR
-
LHR
7h 20mdirect
United Airlines Logo
12:05 - 20:30
LHR
-
EWR
13h 25m1 stop
£371United Airlines
Wed, 31 Dec - Fri, 30 Jan
Virgin Atlantic Logo
19:01 - 06:55
JFK
-
LHR
6h 54mdirect
Virgin Atlantic Logo
16:35 - 19:30
LHR
-
JFK
7h 55mdirect
£374Virgin Atlantic
Sun, 18 Jan - Sun, 25 Jan
Air Canada Logo
17:35 - 07:10
LGA
-
LHR
9h 35m1 stop
Air Canada Logo
11:10 - 19:03
LHR
-
LGA
11h 53m1 stop
£375Air Canada
Mon, 9 Mar - Sun, 15 Mar
Air Canada Logo
15:20 - 07:10
LGA
-
LHR
10h 50m1 stop
Air Canada Logo
13:25 - 19:02
LHR
-
LGA
10h 37m1 stop
£376Air Canada
Mon, 2 Feb - Tue, 10 Feb
United Airlines Logo
10:05 - 07:10
JFK
-
LHR
16h 05m1 stop
United Airlines Logo
13:45 - 17:40
LHR
-
JFK
31h 55m1 stop
£380United Airlines
Fri, 6 Mar - Mon, 23 Mar
British Airways Logo
20:05 - 08:10
JFK
-
LHR
7h 05mdirect
British Airways Logo
09:35 - 13:35
LHR
-
JFK
8h 00mdirect
£380British Airways
Fri, 6 Mar - Sun, 8 Mar
British Airways Logo
19:15 - 07:00
BOS
-
LHR
6h 45mdirect
British Airways Logo
19:10 - 21:55
LHR
-
BOS
7h 45mdirect
£381British Airways
Thu, 8 Jan - Sat, 7 Feb
Virgin Atlantic Logo
18:59 - 11:40
BWI
-
LHR
11h 41m1 stop
Virgin Atlantic Logo
06:20 - 23:05
LHR
-
BWI
21h 45m2 stops
£446Virgin Atlantic
Thu, 22 Jan - Thu, 29 Jan

Aer Lingus flights from North America to London Heathrow Airport

Our best Aer Lingus deals on North America to London Heathrow Airport flight tickets
Aer Lingus
24 Jan
EWR17:45Newark
9h 20m
1 stop
LHR08:05London Heathrow
28 Jan
LHR09:50London Heathrow
11h 25m
1 stop
EWR16:15Newark
£368
Find similar
Aer Lingus
9 Jan
EWR17:45Newark
11h 25m
1 stop
LHR10:10London Heathrow
14 Jan
LHR09:50London Heathrow
11h 25m
1 stop
EWR16:15Newark
£368
Find similar
Aer Lingus
2 Feb
EWR17:45Newark
11h 25m
1 stop
LHR10:10London Heathrow
10 Feb
LHR09:50London Heathrow
11h 25m
1 stop
EWR16:15Newark
£370
Find similar

Icelandair flights from North America to London Heathrow Airport

Our best Icelandair deals on North America to London Heathrow Airport flight tickets
Icelandair
11 Jan
EWR19:35Newark
10h 15m
1 stop
LHR10:50London Heathrow
28 Jan
LHR12:15London Heathrow
11h 10m
1 stop
EWR18:25Newark
£369
Find similar
Icelandair
28 Apr
EWR20:25Newark
10h 30m
1 stop
LHR11:55London Heathrow
5 May
LHR13:05London Heathrow
11h 10m
1 stop
EWR19:15Newark
£386
Find similar
Icelandair
30 Dec
ORD18:30Chicago O'Hare Intl
10h 20m
1 stop
LHR10:50London Heathrow
31 Jan
LHR20:35London Heathrow
26h 45m
1 stop
ORD17:20Chicago O'Hare Intl
£422
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from North America to London Heathrow Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 21 December 2025.
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

NewarkLondon

EWR - LHR

EWRLHR

Newark

Sat 24/1

17:45-08:05

1 stop9h 20m

London Heathrow

Wed 28/1

09:50-16:15

1 stop11h 25m

£368

NewarkLondon

EWR - LHR

EWRLHR

Newark

Mon 12/1

17:45-11:25

1 stop12h 40m

London Heathrow

Fri 16/1

08:50-16:15

1 stop12h 25m

£368

NewarkLondon

EWR - LHR

EWRLHR

Newark

Wed 31/12

18:00-06:20

Nonstop7h 20m

London Heathrow

Fri 30/1

12:05-20:30

1 stop13h 25m

£371

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sun 18/1

19:01-06:55

Nonstop6h 54m

London Heathrow

Sun 25/1

16:35-19:30

Nonstop7h 55m

£374

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 9/3

17:35-07:10

1 stop9h 35m

London Heathrow

Sun 15/3

11:10-19:03

1 stop11h 53m

£375

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 2/2

15:20-07:10

1 stop10h 50m

London Heathrow

Tue 10/2

13:25-19:02

1 stop10h 37m

£376

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 6/3

10:05-07:10

1 stop16h 05m

London Heathrow

Mon 23/3

13:45-17:40

1 stop31h 55m

£380

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 6/3

20:05-08:10

Nonstop7h 05m

London Heathrow

Sun 8/3

09:35-13:35

Nonstop8h 00m

£380

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 8/1

19:15-07:00

Nonstop6h 45m

London Heathrow

Sat 7/2

19:10-21:55

Nonstop7h 45m

£381

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Thu 22/1

18:59-11:40

1 stop11h 41m

London Heathrow

Thu 29/1

06:20-23:05

2 stops21h 45m

£446

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from North America to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

In general, October is the cheapest month to fly from North America to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £401. The month of September is another great option to travel to London Heathrow Airport, with average flight prices from North America averaging around £405.

What is the cheapest day to depart on your flight to London Heathrow Airport?

On average, the least expensive day to fly to London Heathrow Airport from North America is on a Monday. momondo users have found tickets for Monday departures for as low as £420. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Saturday is £473.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is at midday. momondo users have found flights departing from North America to London Heathrow Airport at midday for as low as £417. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £467 on average. Flights to London Heathrow Airport from North America in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest North America to London Heathrow flight route?

Fly from New York John F Kennedy Intl to London Heathrow for the best North America - London Heathrow flight prices

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

You are more likely to see cheaper flights to London Heathrow Airport from North America when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £455 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from North America for as low as £428 on momondo.

What cabin class options are available on North America to London Heathrow flights?

There are 4 cabin classes available to choose from on North America to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on North America to London Heathrow Airport flights?

You could potentially save up to 38% on your flight if you consider stops on a North America to London Heathrow Airport flight.

Cheap North America to London Heathrow Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from North America to London Heathrow Airport

Best price found

£146

Fastest flight time

5h 55m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from North America in the past 72 hours is £146. The best return flight deal from North America to London Heathrow Airport found on momondo in the last 72 hours is £264.
The fastest flight from North America to London Heathrow Airport takes 5h 55m
Direct flights go from North America to London Heathrow Airport every day.
Search flight deals

  • When did momondo last update prices for flights from North America to London Heathrow Airport?

    Prices for flights from North America to London Heathrow Airport are updated daily.

  • How many operators does momondo search for flights from North America to London Heathrow Airport?

  • How old do you have to be to fly from North America to London Heathrow Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from North America to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from North America to London Heathrow Airport?

Best airlines flying from North America to London Heathrow Airport

Compare and see reviews for airlines that fly from North America to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
Air FrancePriceFrom £231Free CancellationRating
7.4
1,511 reviews
Search Air France flights
Aer LingusPriceFrom £312Free CancellationRating
7.2
1,408 reviews
Search Aer Lingus flights
TAP AIR PORTUGALPriceFrom £316Free CancellationRating
7.2
2,096 reviews
Search TAP AIR PORTUGAL flights
LufthansaPriceFrom £320Free CancellationRating
6.8
7,643 reviews
Search Lufthansa flights
KLMPriceFrom £332Free CancellationRating
7.7
1,431 reviews
Search KLM flights
FinnairPriceFrom £333Free CancellationRating
7.6
1,339 reviews
Search Finnair flights
IberiaPriceFrom £333Free CancellationRating
7.0
3,055 reviews
Search Iberia flights
DeltaPriceFrom £343Free CancellationRating
7.9
8,014 reviews
Search Delta flights
Scandinavian AirlinesPriceFrom £351Free CancellationRating
7.4
1,617 reviews
Search Scandinavian Airlines flights
JetBluePriceFrom £355Free CancellationRating
7.2
2,896 reviews
Search JetBlue flights

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
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Slough
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Stratford-upon-Avon
Southend-on-Sea
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Guildford
Swanage
Hayes
Chelmsford
Dover
Worthing

Why use momondo?

Why should I use momondo to find a flight deal from North America to London?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from North America.

Can I find flights from North America to London with flexible booking policies on momondo?

Yes. All flights to London from North America on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from North America to London?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from North America to London.

I’m not ready to book a flight from North America to London right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of North America to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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