Find flights
When to book
FAQs

Cheap flights from Alaska to London Heathrow Airport from £332

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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — LHR
6 Apr — 13 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Alaska to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Alaska to Heathrow
Explore the most affordable flight options available from Alaska to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 March 2026.

Sat 5/901:30
ANC
-
LHR
2 stops31h 10m
Scandinavian Airlines
Sat 19/906:40
LHR
-
ANC
2 stops24h 42m
Scandinavian Airlines
Deal found 2/3£570
Tue 31/323:47
ANC
-
LHR
1 stop24h 53m
United Airlines
Tue 7/407:25
LHR
-
ANC
2 stops21h 23m
United Airlines
Deal found 2/3£647
Wed 21/1005:00
ANC
-
LHR
2 stops21h 55m
Icelandair
Thu 5/1120:35
LHR
-
ANC
2 stops36h 52m
Icelandair
Deal found 3/3£652
Mon 13/409:21
ANC
-
LHR
2 stops25h 59m
Icelandair
Mon 20/421:25
LHR
-
ANC
2 stops58h 18m
Icelandair
Deal found 4/3£657
Tue 31/320:13
ANC
-
LHR
1 stop26h 42m
British Airways
Tue 7/408:55
LHR
-
ANC
1 stop18h 55m
British Airways
Deal found 2/3£664
Mon 20/409:21
ANC
-
LHR
2 stops25h 59m
Icelandair
Mon 27/421:25
LHR
-
ANC
2 stops34h 18m
Icelandair
Deal found 6/3£671
Mon 13/423:47
ANC
-
LHR
1 stop24h 53m
United Airlines
Mon 20/409:00
LHR
-
ANC
2 stops43h 48m
United Airlines
Deal found 4/3£672
Sun 6/907:05
JNU
-
LHR
2 stops29h 35m
Scandinavian Airlines
Thu 10/919:30
LHR
-
JNU
2 stops31h 37m
Scandinavian Airlines
Deal found 5/3£701
Sat 18/401:45
FAI
-
LHR
2 stops26h 20m
Delta
Sun 26/410:45
LHR
-
FAI
2 stops22h 55m
Delta
Deal found 5/3£746
Sat 14/1102:09
FAI
-
LHR
2 stops32h 21m
Icelandair
Mon 21/1220:35
LHR
-
FAI
2 stops35h 43m
Icelandair
Deal found 5/3£747
Sun 13/905:50
FAI
-
LHR
2 stops21h 05m
Multiple Airlines
Sat 19/921:25
LHR
-
FAI
2 stops34h 16m
Multiple Airlines
Deal found 5/3£783
Sat 14/1101:30
FAI
-
LHR
1 stop24h 00m
KLM
Mon 21/1210:00
LHR
-
FAI
1 stop23h 15m
KLM
Deal found 5/3£802

Find flight deals from Alaska to Heathrow

Keep the following information in mind while searching for Alaska to Heathrow flight deals. Data was last updated 7 March 2026.

Round-trip from

£647

One-way from

£332

Popular in

December

Cheapest in

August
United Airlines
  • United Airlines
  • 31/3-7/4
  • 3 total stops
  • 46h 16m total
  • Alaska to London
Search Deals
10/5
  • 10/5
  • 3 total stops
  • 39h 08m total
  • Alaska to London
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£38 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£18 potential savings vs. average return price).
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Alaska to Heathrow 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 7 March 2026.
Use the filters below to find and compare flights from Alaska to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 28/4

06:00-10:45

2 stops19h 45m

London Heathrow

Mon 11/5

06:30-16:23

2 stops18h 53m

£691

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 20/4

15:45-15:35

1 stop14h 50m

London Heathrow

Mon 27/4

09:55-00:25

2 stops23h 30m

£720

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sat 18/4

20:50-06:45

1 stop24h 55m

London Heathrow

Sat 25/4

13:35-19:48

2 stops39h 13m

£729

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Thu 7/5

06:00-10:20

2 stops19h 20m

London Heathrow

Thu 14/5

06:15-16:23

2 stops19h 08m

£729

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Thu 7/5

06:00-15:35

1 stop24h 35m

London Heathrow

Thu 14/5

11:40-22:15

1 stop19h 35m

£741

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Wed 2/9

06:00-15:35

1 stop24h 35m

London Heathrow

Wed 16/9

06:30-16:12

2 stops18h 42m

£742

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Wed 15/4

06:00-15:35

1 stop24h 35m

London Heathrow

Wed 16/9

12:25-00:33

1 stop21h 08m

£771

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Thu 20/8

22:30-11:35

1 stop28h 05m

London Heathrow

Sun 30/8

07:25-19:48

2 stops21h 23m

£782

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Fri 1/5

23:59-06:30

2 stops45h 31m

London Heathrow

Mon 18/5

11:25-22:45

1 stop20h 20m

£786

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Thu 20/8

09:00-15:05

1 stop21h 05m

London Heathrow

Sun 30/8

17:00-01:40

1 stop17h 40m

£802

Flights are sorted by cheapest return flights first.

Deals found on 3/3

Showing 1-10 of 35 resultsSorted by cheapest first
1
2
3
4

Best time to book a flight from Alaska to Heathrow

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

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

Currently, August is the cheapest month in which you can book a flight from Alaska to London Heathrow Airport (average of £518). Flying from Alaska to London Heathrow Airport in January is currently the most expensive (average of £939). 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.

How much does it cost for a return flight from Alaska to London Heathrow Airport?

Related info for your journey

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

    KLM, Delta, and United Airlines can get you from Alaska to London Heathrow Airport in just under 14h 50m. Your travel time can differ by up to 10h 05m. Airlines will cover a distance of 4471 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from Alaska to London Heathrow Airport?

    While some choose either Fairbanks - London Heathrow or Juneau Intl - London Heathrow, Anchorage - London Heathrow is the most popular route from Alaska to London Heathrow Airport.

  • Can I find deals for flights from Alaska to Heathrow that include hotel bookings?

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

  • How can I find direct flights from Alaska to Heathrow?

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

  • Can I find deals for business class flights from Alaska to Heathrow?

    Yes. Cheapflights offers flight deals from Alaska 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 Alaska to London Heathrow Airport?

    Currently, August is the cheapest month in which you can book a flight from Alaska to London Heathrow Airport (average of £518). Flying from Alaska to London Heathrow Airport in January is currently the most expensive (average of £939). 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 London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Wembley
Northampton
Luton
Gatwick
Slough
Hounslow
Ilford
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Eastbourne
Chelmsford
Ipswich
Swindon
Bedford

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 Alaska to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
John F Kennedy Intl to Gatwick flights
Boston to Heathrow flights
LaGuardia to Heathrow flights
Dulles Intl to Heathrow flights
Newark to Gatwick flights
John F Kennedy Intl to Stansted flights
John F Kennedy Intl to London City flights
Los Angeles to Heathrow flights
O'Hare Intl to Heathrow flights
Baltimore to Heathrow flights
Dallas/Fort Worth to Heathrow flights
LaGuardia to Gatwick flights
San Francisco to Heathrow flights
Seattle to Heathrow flights
Boston to Gatwick flights
Orlando to Heathrow flights
Newark to Stansted flights
Atlanta to Heathrow flights
Newark to Luton flights
Miami to Heathrow flights
Hobby to Heathrow flights
Boston to London City flights
Dulles Intl to Gatwick flights
Reagan-National to Heathrow flights
Boston to Stansted flights
Denver to Heathrow flights
Dulles Intl to London City flights
Newark to London City flights
Los Angeles to Gatwick flights
O'Hare Intl to Gatwick flights
Philadelphia to Heathrow flights
Reagan-National to Gatwick flights
Baltimore to Gatwick flights
O'Hare Intl to London City flights
O'Hare Intl to Stansted flights
George Bush Intcntl to Heathrow flights
Los Angeles to Stansted flights
Minneapolis to Heathrow flights
Tampa to Heathrow flights
Los Angeles to London City flights
Austin to Heathrow flights
Seattle to Gatwick flights
Orlando to Gatwick flights
Raleigh to Heathrow flights
Dallas/Fort Worth to Gatwick flights
Charlotte to Heathrow 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 Alaska to Heathrow?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Alaska to Heathrow. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Alaska to Heathrow.

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

Certainly. Search results for flights to Heathrow from Alaska 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 Alaska 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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.