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Cheap flights from North America to London from £155

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 22/7. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LON
18 Jun — 25 Jun1
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 13 June 2025.

Round-trip from

£378

One-way from

£155

Popular in

June

Cheapest in

January

Average price

£512

Good round-trip deal

£277 or less

Good one-way deal

£128 or less
Lufthansa
  • Lufthansa
  • 26/8-2/9
  • 2 total stops
  • 20h 32m total
  • North America to London
22/7
  • 22/7
  • 1 total stop
  • 26h 10m total
  • North America to London
Highest demand for flights based on searches. 11% potential increase in price (£41 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£7 potential savings vs. average return price).
Average for round-trip flights in June 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 13 June 2025.

Tue 26/815:30LGA - LHR
1 stop10h 00mLufthansa
Tue 2/914:05LHR - LGA
1 stop10h 32mLufthansa
Deal found 11/6£378
Mon 21/721:30JFK - LHR
Nonstop7h 30mVirgin Atlantic
Wed 30/715:20LHR - JFK
1 stop12h 20mVirgin Atlantic
Deal found 12/6£378
Sun 27/716:45JFK - LGW
1 stop13h 05mIberia
Thu 7/815:05LGW - JFK
Nonstop8h 00mIberia
Deal found 11/6£378
Wed 27/816:54JFK - LHR
1 stop11h 01mDelta
Tue 9/909:55LHR - JFK
1 stop10h 30mDelta
Deal found 13/6£378
Wed 10/916:15JFK - LGW
1 stop20h 40mSWISS
Wed 17/918:35LGW - JFK
1 stop23h 15mSWISS
Deal found 13/6£378
Sun 20/720:25JFK - LHR
1 stop10h 30mIcelandair
Tue 29/721:25LHR - JFK
1 stop26h 45mIcelandair
Deal found 12/6£379
Mon 1/900:40JFK - LGW
1 stop10h 45mAir Europa
Mon 8/917:25LGW - JFK
1 stop29h 20mAir Europa
Deal found 12/6£379
Wed 27/810:15LGA - LHR
1 stop15h 15mUnited Airlines
Wed 3/907:45LHR - LGA
2 stops15h 58mUnited Airlines
Deal found 12/6£380
Mon 21/715:40JFK - LGW
2 stops21h 55mMultiple Airlines
Wed 30/708:50LGW - JFK
1 stop12h 10mMultiple Airlines
Deal found 12/6£380
Wed 10/917:10JFK - LGW
1 stop21h 20mBritish Airways
Tue 30/915:05LGW - JFK
Nonstop8h 00mBritish Airways
Deal found 11/6£380
Wed 20/819:10LGA - LHR
1 stop9h 50mAir Canada
Wed 27/809:30LHR - LGA
1 stop10h 15mAir Canada
Deal found 12/6£381
Wed 20/809:00JFK - LHR
1 stop16h 30mAir Canada
Wed 27/809:30LHR - JFK
1 stop17h 17mAir Canada
Deal found 12/6£381

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 13 June 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

LGA - LHR

LGALHR

New York LaGuardia

Tue 26/8

15:30-06:30

1 stop10h 00m

London Heathrow

Tue 2/9

14:05-19:37

1 stop10h 32m

£378

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 21/7

21:30-10:00

Nonstop7h 30m

London Heathrow

Wed 30/7

15:20-22:40

1 stop12h 20m

£378

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Sun 27/7

16:45-10:50

1 stop13h 05m

London Gatwick

Thu 7/8

15:05-18:05

Nonstop8h 00m

£378

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 27/8

16:54-08:55

1 stop11h 01m

London Heathrow

Tue 9/9

09:55-15:25

1 stop10h 30m

£378

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Wed 10/9

16:15-17:55

1 stop20h 40m

London Gatwick

Wed 17/9

18:35-12:50

1 stop23h 15m

£378

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sun 20/7

20:25-11:55

1 stop10h 30m

London Heathrow

Tue 29/7

21:25-19:10

1 stop26h 45m

£379

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Mon 1/9

00:40-16:25

1 stop10h 45m

London Gatwick

Mon 8/9

17:25-17:45

1 stop29h 20m

£379

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 27/8

10:15-06:30

1 stop15h 15m

London Heathrow

Wed 3/9

07:45-18:43

2 stops15h 58m

£380

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Mon 21/7

15:40-18:35

2 stops21h 55m

London Gatwick

Wed 30/7

08:50-16:00

1 stop12h 10m

£380

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Wed 10/9

17:10-19:30

1 stop21h 20m

London Gatwick

Tue 30/9

15:05-18:05

Nonstop8h 00m

£380

Flights are sorted by cheapest return flights first.

Deals found on 12/6

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 13 June 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 13 June 2025.

The most flights from 0NA to LON are scheduled on a Monday (59 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (44 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 13 June 2025.

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very Good

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 TAP AIR PORTUGAL, with whom users have recently found tickets for as low as £156. However, be on the lookout for offers from Icelandair and Norse Atlantic UK, 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: Air Canada (83%), Austrian Airlines (83%), United Airlines( 83%).

  • 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 £1,930, our data indicates the cheapest price to be £293. The most popular route (New York John F Kennedy Intl - London Heathrow), is priced around £199.

  • 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
Deal
Hounslow
Croydon
Milton Keynes
Gatwick
Luton
Slough
Wembley
Crawley
Eastbourne
Ilford
Southend-on-Sea
Watford
Hayes
Ipswich
Winchester
Folkestone
Maidstone
Dartford
Guildford

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 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£255Average£493FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Norse Atlantic UKCheapest£267Average£455FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
Virgin AtlanticCheapest£276Average£546FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air FranceCheapest£279Average£539FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest£284Average£510FlexibilityNo cancel feeOn-time75%
Search KLM flights
DeltaCheapest£291Average£624FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
JetBlueCheapest£292Average£615FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
British AirwaysCheapest£293Average£568FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£300Average£578FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Scandinavian AirlinesCheapest£300Average£492FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines 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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