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Cheap flights from London to North America from £258

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 21/6. Fares are subject to change and may not be available on all flights or dates of travel.
LON — LAX
26 Jun — 3 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to North America

Enter your travel dates to find the best prices.

Cheapest flights from London to North America
Explore the most affordable flight options available from London to North America. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 May 2026.

Mon 7/921:25
LHR
-
YYZ
1 stop26h 45m
Icelandair
Thu 17/920:45
YYZ
-
LHR
1 stop10h 10m
Icelandair
Deal found 22/5£423
Wed 3/611:35
LGW
-
YYZ
1 stop11h 05m
Air Transat
Wed 10/622:45
YYZ
-
LGW
Nonstop7h 00m
Air Transat
Deal found 24/5£423
Tue 1/913:05
LHR
-
YYZ
1 stop14h 00m
Icelandair
Tue 8/920:45
YYZ
-
LHR
1 stop18h 35m
Icelandair
Deal found 22/5£424
Sat 30/511:35
LGW
-
YYZ
1 stop12h 03m
Air Transat
Tue 9/615:40
YYZ
-
LGW
1 stop13h 10m
Air Transat
Deal found 23/5£424
Mon 7/921:25
LHR
-
YYZ
1 stop26h 45m
Icelandair
Tue 15/920:45
YYZ
-
LHR
1 stop10h 10m
Icelandair
Deal found 26/5£425
Thu 3/909:40
LGW
-
YYZ
Nonstop8h 05m
Air Transat
Sun 13/918:00
YYZ
-
LGW
1 stop10h 50m
Air Transat
Deal found 24/5£425
Wed 3/609:40
LGW
-
YYZ
Nonstop8h 05m
Air Transat
Wed 17/619:50
YYZ
-
LGW
Nonstop7h 05m
Air Transat
Deal found 22/5£425
Wed 14/1011:20
LHR
-
YYZ
1 stop14h 45m
TAP AIR PORTUGAL
Tue 17/1117:30
YYZ
-
LHR
1 stop14h 10m
TAP AIR PORTUGAL
Deal found 25/5£426
Wed 3/609:40
LGW
-
YYZ
Nonstop8h 05m
Air Transat
Thu 11/619:50
YYZ
-
LGW
Nonstop7h 05m
Air Transat
Deal found 22/5£426
Tue 27/1011:40
LGW
-
YYZ
Nonstop8h 20m
Air Transat
Sat 7/1121:35
YYZ
-
LGW
Nonstop7h 10m
Air Transat
Deal found 23/5£427
Fri 5/611:35
LGW
-
YYZ
1 stop29h 53m
Air Transat
Sat 19/922:45
YYZ
-
LGW
Nonstop7h 00m
Air Transat
Deal found 26/5£428
Wed 19/821:10
LHR
-
YYZ
1 stop21h 10m
Multiple Airlines
Mon 24/822:55
YYZ
-
LHR
1 stop11h 05m
Multiple Airlines
Deal found 26/5£428

Find flight deals from London to North America

Keep the following information in mind while searching for London to North America flight deals. Data was last updated 27 May 2026.

Round-trip from

£423

One-way from

£258

Popular in

July

Cheapest in

September

Average price

£446

Good round-trip deal

£297 or less

Good one-way deal

£257 or less
Air Transat
  • Air Transat
  • 6/6-11/6
  • Nonstop
  • 15h 10m total
  • London to North America
Search Deals
21/6
  • 21/6
  • 3 total stops
  • 50h 35m total
  • London to North America
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£22 potential increase over avg. return price).
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 May 2026
Search Deals
Price to beat on a round-trip flight from London (LON) to North America.
Search Deals
Price to beat on a one-way flight from London (LON) to North America.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to North America 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, Cheapflights users made 858,174 searches. Data last updated 27 May 2026.
Use the filters below to find and compare flights from London to North America that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Wed 30/9

11:35-18:38

1 stop12h 03m

Toronto Pearson Intl

Tue 6/10

22:45-10:45

Nonstop7h 00m

£429

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Sun 4/10

12:40-15:40

Nonstop8h 00m

Toronto Pearson Intl

Sat 10/10

19:50-07:55

Nonstop7h 05m

£442

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Sun 28/6

11:35-18:38

1 stop12h 03m

Toronto Pearson Intl

Mon 13/7

19:50-07:55

Nonstop7h 05m

£449

LondonNew York

LGW - JFK

LGWJFK

London Gatwick

Thu 19/11

10:40-20:05

1 stop14h 25m

New York John F Kennedy Intl

Mon 30/11

22:00-15:45

1 stop12h 45m

£458

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Thu 29/10

09:50-16:55

1 stop11h 05m

Toronto Pearson Intl

Sat 14/11

22:05-10:10

Nonstop7h 05m

£461

LondonNew York

LGW - JFK

LGWJFK

London Gatwick

Mon 14/9

20:10-22:00

1 stop30h 50m

New York John F Kennedy Intl

Sat 19/9

23:50-10:15

1 stop29h 25m

£462

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Fri 16/10

10:35-21:05

1 stop15h 30m

Toronto Pearson Intl

Sun 1/11

17:25-15:45

1 stop17h 20m

£463

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Mon 5/10

07:05-15:40

1 stop13h 35m

New York John F Kennedy Intl

Sun 11/10

18:55-16:25

2 stops16h 30m

£466

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Sat 5/9

06:40-17:00

2 stops15h 20m

New York John F Kennedy Intl

Sat 12/9

17:10-09:35

1 stop11h 25m

£469

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Sat 5/9

07:40-15:50

1 stop13h 10m

Toronto Pearson Intl

Wed 16/9

17:35-08:05

1 stop9h 30m

£474

Flights are sorted by cheapest return flights first.

Deals found on 21/5

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight from London to North America

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

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

Currently, September is the cheapest month in which you can book a flight from London to North America (average of £469). Flying from London to North America in July is currently the most expensive (average of £615). 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 LON to NA?

Find hourly flight availability from London to North America. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 27 May 2026.

When flying from London to North America, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 10% versus a flight at midday.

Weekly flight availability from London to North America

Explore weekly flight availability from London to North America. 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 27 May 2026.

The most flights from LON to 0NA are scheduled on a Monday (53 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (53 on average).

How far ahead should I book a flight from London to North America?

Booking 29 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to North America. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest day to fly from London to North America?

Use this chart to determine the cheapest time to fly return from London to North America. Price data was last updated on 23 May 2026.

Travellers seeking maximum savings on their London to North America flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing North America

Get insights into the airlines that provide service to North America. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to North America. Reviews last updated 27 May 2026.
Read through reviews of airlines operating flights from London to North America, such as Virgin Atlantic,Norse Atlantic UK, andAir Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Comfort

7.3

Boarding

7.7

Overall

7.5

Entertainment

7.5

Food

6.9

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Virgin Atlantic
7.5
Good
689 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Comfort

7.3

Boarding

7.7

Overall

7.5

Entertainment

7.5

Food

6.9

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Norse Atlantic UK
7.2
Good
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Comfort

7.3

Boarding

7.7

Overall

7.5

Entertainment

7.5

Food

6.9

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Air Canada
7.1
Good
11,092 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Comfort

7.3

Boarding

7.7

Overall

7.5

Entertainment

7.5

Food

6.9

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Lufthansa
6.8
Okay
8,033 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Comfort

7.3

Boarding

7.7

Overall

7.5

Entertainment

7.5

Food

6.9

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
British Airways
6.7
Okay
8,007 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Comfort

7.3

Boarding

7.7

Overall

7.5

Entertainment

7.5

Food

6.9

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Related info for your journey

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

    There are many flights that can get you from London to North America in 11h 05m. Fly via Air Transat, TAP AIR PORTUGAL, or British Airways to get the fastest option. London and North America are separated by a distance of 3543 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    To fly one-way, consider booking your trip with Norse Atlantic UK, which is currently one of the cheapest options available, starting at £138. WestJet flights start at £169 while deals on KLM start at £181 one-way.

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

    While some choose either London Heathrow - Newark or London Gatwick - New York John F Kennedy Intl, London Heathrow - New York John F Kennedy Intl is the most popular route from London to North America.

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

    Before booking your flight to North America from London, check out the most reliable airlines to get you to your destination on time: KLM (86%), Air France (86%), Delta( 86%).

  • What are the cheapest flights from London to North America?

    While on average a flight from London to North America is generally £2,177, our data shows the cheapest flight currently is £431. When looking at the most popular route, (London Heathrow - New York John F Kennedy Intl), you can expect to pay £353 for that flight.

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

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

  • How can I find direct flights from London to North America?

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

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

    Yes. Cheapflights offers flight deals from London to North America 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 London to North America?

    Currently, September is the cheapest month in which you can book a flight from London to North America (average of £469). Flying from London to North America in July is currently the most expensive (average of £615). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for London to North America

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from London to North America

Discover the top 10 airlines that operate flights from London to North America. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 27 May 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£90Average£565FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
DeltaCheapest£148Average£615FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
IberiaCheapest£163Average£594FlexibilityNo cancel feeOn-time77%
Search Iberia flights
TAP AIR PORTUGALCheapest£224Average£481FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
SWISSCheapest£245Average£427FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Norse Atlantic UKCheapest£255Average£448FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
IcelandairCheapest£272Average£445FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Scandinavian AirlinesCheapest£298Average£498FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Aer LingusCheapest£302Average£676FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
PLAYCheapest£308Average£428FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights

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 London to North America?

Cheapflights makes it easy to find London to North America 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 London to North America?

Cheapflights simply makes it quick and affordable to book flights from London to North America by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from London to North America, users can toggle the no change fees filter when performing a flight search.

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

Of course! You can now track prices for flights from London to North America 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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