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Cheap flights from North America to London from £129

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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LON
20 Apr — 27 Apr1
1 adult

Cheap flight deals from North America to London

Keep the following information in mind while searching for North America to London flight deals. Data was last updated 15 April 2025.

Round-trip from

£378

One-way from

£133

Popular in

December

Cheapest in

January

Average price

£441

Good round-trip deal

£264 or less

Good one-way deal

£132 or less
Icelandair
  • Icelandair
  • 9/10-13/10
  • 2 total stops
  • 61h 30m total
  • North America to London
Norse Atlantic UK
  • Norse Atlantic UK
  • 28/7
  • Nonstop
  • 7h 00m total
  • North America to London
High demand for flights, 5% potential price rise
Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
Average for round-trip flights in April 2025
Price to beat on a round-trip flight from North America to London (LON).
Price to beat on a one-way flight from North America to London (LON).

Find flight deals from North America to London

Cheapest flights from North America to London
Explore the most affordable flight options available from North America to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 April 2025.

Mon 12/518:20JFK - LGW
Nonstop7h 00mNorse Atlantic UK
Mon 19/513:05LGW - JFK
Nonstop7h 50mNorse Atlantic UK
Deal found 15/4£333
Mon 12/520:25JFK - LGW
1 stop10h 20mMultiple Airlines
Wed 21/513:05LGW - JFK
Nonstop7h 50mMultiple Airlines
Deal found 15/4£346
Thu 9/1023:10JFK - LHR
1 stop31h 45mIcelandair
Tue 14/1013:05LHR - JFK
1 stop14h 05mIcelandair
Deal found 15/4£378
Wed 24/923:10JFK - LGW
1 stop10h 30mIcelandair
Thu 2/1015:40LGW - JFK
1 stop11h 30mIcelandair
Deal found 13/4£378
Fri 2/507:50JFK - LHR
Nonstop6h 55mBritish Airways
Fri 9/518:05LHR - JFK
Nonstop7h 55mBritish Airways
Deal found 15/4£380
Wed 30/423:35BOS - LHR
1 stop15h 45mIcelandair
Mon 5/521:25LHR - BOS
1 stop29h 35mIcelandair
Deal found 15/4£384
Fri 2/520:05JFK - LGW
Nonstop7h 05mBritish Airways
Sun 11/514:45LGW - JFK
Nonstop8h 00mBritish Airways
Deal found 14/4£384
Fri 25/420:30JFK - LHR
1 stop20h 15mSWISS
Sun 27/419:15LHR - JFK
1 stop24h 05mSWISS
Deal found 15/4£386
Fri 18/415:30JFK - LHR
1 stop16h 10mMultiple Airlines
Sun 20/406:50LHR - JFK
1 stop11h 10mMultiple Airlines
Deal found 15/4£389
Fri 16/519:25JFK - LHR
1 stop13h 15mUnited Airlines
Sun 18/509:30LHR - JFK
1 stop17h 18mUnited Airlines
Deal found 14/4£390
Mon 12/518:50LGA - LHR
1 stop10h 10mAir Canada
Wed 21/509:30LHR - LGA
1 stop10h 18mAir Canada
Deal found 14/4£404
Thu 8/520:05JFK - LGW
Nonstop7h 05mFinnair
Wed 14/515:05LGW - JFK
Nonstop8h 00mFinnair
Deal found 14/4£405

Cheapflights Fare Finder

Customise your flight search to find flights from North America to London 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 15 April 2025.
Use the filters below to find and compare flights from North America to London that are best for you.

Fly from

North America

Fly to

London

Route

Depart

Return

Price

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Mon 12/5

18:20-06:20

Nonstop7h 00m

London Gatwick

Mon 19/5

13:05-15:55

Nonstop7h 50m

£333

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Mon 12/5

20:25-11:45

1 stop10h 20m

London Gatwick

Wed 21/5

13:05-15:55

Nonstop7h 50m

£346

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 9/10

23:10-11:55

1 stop31h 45m

London Heathrow

Mon 13/10

21:25-22:10

1 stop29h 45m

£378

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Wed 24/9

20:25-14:40

1 stop13h 15m

London Gatwick

Sat 11/10

15:40-22:10

1 stop11h 30m

£378

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 2/5

20:05-08:15

Nonstop7h 10m

London Heathrow

Fri 9/5

18:05-21:00

Nonstop7h 55m

£383

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Fri 2/5

20:05-08:10

Nonstop7h 05m

London Gatwick

Sun 11/5

14:45-17:45

Nonstop8h 00m

£384

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 30/4

23:35-20:20

1 stop15h 45m

London Heathrow

Mon 5/5

21:25-22:00

1 stop29h 35m

£384

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 25/4

18:10-20:55

1 stop21h 45m

London Heathrow

Sun 27/4

11:05-15:00

2 stops32h 55m

£389

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 16/5

19:25-13:40

1 stop13h 15m

London Heathrow

Sun 18/5

09:30-21:48

1 stop17h 18m

£390

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 9/5

09:00-06:30

1 stop16h 30m

London Heathrow

Thu 15/5

06:00-12:50

1 stop11h 50m

£391

Flights are sorted by cheapest return flights first.

Deals found on 15/4

Showing 1-10 of 60 results
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Best time to book a flight from North America to London

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

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

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

Find hourly flight availability from North America to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 April 2025.

When flying from North America to London, 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

Explore weekly flight availability from North America to London. 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 April 2025.

The most flights from 0NA to LON are scheduled on a Monday (58 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (43 on average).

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London 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 when rainfall is around 40.0 mm.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London, 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 London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 15 April 2025.

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

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.
8.0
Very Good

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

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.

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

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.

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

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.

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

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.

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

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

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

    The cheapest airline one-way is Norse Atlantic UK, with whom users have recently found tickets for as low as £133. However, be on the lookout for offers from Icelandair and British Airways, as they are both options that can get you from North America to London for a low price.

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

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

    Before booking your flight to London from North America, check out the most reliable airlines to get you to your destination on time: KLM (91%), Air Canada (88%), Austrian Airlines( 88%).

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

    Looking for the cheapest flight from North America to London? While on average our users pay £2,233, our data indicates the cheapest price to be £324. The most popular route (New York John F Kennedy Intl - London Heathrow), is priced around £327.

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

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

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

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

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

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

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

Travelling to a place near North America?

Book flights to North America if you plan to visit one of these locations
Hounslow
Deal
Milton Keynes
Gatwick
Luton
Slough
Croydon
Eastbourne
Wembley
Hayes
Crawley
Southend-on-Sea
Maidstone
Ipswich
Southall
Ilford
Winchester
Folkestone
Dartford
Watford

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 North America to London

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from North America to London

Discover the top 10 airlines that operate flights from North America to London. 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 15 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Norse Atlantic UKCheapest£145Average£477FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
IcelandairCheapest£263Average£505FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Virgin AtlanticCheapest£286Average£578FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air FranceCheapest£289Average£542FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest£293Average£592FlexibilityNo cancel feeOn-time75%
Search KLM flights
DeltaCheapest£300Average£503FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
JetBlueCheapest£301Average£614FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
FinnairCheapest£310Average£631FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Scandinavian AirlinesCheapest£310Average£535FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Air CanadaCheapest£310Average£531FlexibilityNo cancel feeOn-time67%
Search Air Canada 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 North America to London?

Deals for North America to London 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 London?

Cheapflights helps you find that perfect flight to London 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 London with no change fees?

Certainly. Search results for flights to London from North America 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 North America to London become cheaper?

Yes! Start tracking prices for North America to London flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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