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Cheap flights from Alaska to London Heathrow Airport from £307

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 29/4. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — LHR
28 Feb — 7 Mar1
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 29 January 2026.

Tue 24/209:00
ANC
-
LHR
2 stops23h 45m
Lufthansa
Mon 9/319:30
LHR
-
ANC
2 stops32h 31m
Lufthansa
Deal found 26/1£634
Mon 23/205:45
ANC
-
LHR
1 stop19h 45m
KLM
Mon 9/306:30
LHR
-
ANC
2 stops22h 04m
KLM
Deal found 26/1£637
Mon 23/201:20
ANC
-
LHR
1 stop24h 10m
KLM
Mon 9/306:30
LHR
-
ANC
2 stops22h 04m
KLM
Deal found 27/1£639
Mon 23/215:21
ANC
-
LHR
2 stops19h 49m
Delta
Mon 9/306:30
LHR
-
ANC
2 stops22h 04m
Delta
Deal found 26/1£640
Tue 24/209:00
ANC
-
LHR
3 stops27h 20m
United Airlines
Mon 9/316:40
LHR
-
ANC
2 stops38h 10m
United Airlines
Deal found 26/1£647
Thu 26/205:45
ANC
-
LHR
1 stop21h 10m
Delta
Thu 5/312:20
LHR
-
ANC
1 stop17h 24m
Delta
Deal found 27/1£659
Thu 26/223:45
ANC
-
LHR
2 stops21h 10m
United Airlines
Thu 5/307:40
LHR
-
ANC
2 stops24h 10m
United Airlines
Deal found 28/1£663
Sat 23/501:30
ANC
-
LHR
2 stops35h 10m
Scandinavian Airlines
Fri 5/606:40
LHR
-
ANC
2 stops27h 55m
Scandinavian Airlines
Deal found 27/1£673
Wed 6/514:32
JNU
-
LHR
1 stop14h 13m
British Airways
Sun 10/509:50
LHR
-
JNU
1 stop22h 58m
British Airways
Deal found 26/1£996
Sat 14/315:59
FAI
-
LHR
2 stops37h 01m
Multiple Airlines
Sat 21/320:15
LHR
-
FAI
2 stops37h 29m
Multiple Airlines
Deal found 27/1£1,055
Tue 10/201:30
FAI
-
LHR
2 stops32h 45m
KLM
Sat 14/214:05
LHR
-
FAI
2 stops43h 17m
KLM
Deal found 28/1£1,131
Tue 10/201:30
FAI
-
LHR
2 stops21h 20m
Delta
Sat 14/212:20
LHR
-
FAI
1 stop21h 02m
Delta
Deal found 28/1£1,146

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 29 January 2026.

Round-trip from

£634

One-way from

£307

Popular in

January

Cheapest in

April

Average price

£1,147
Lufthansa
  • Lufthansa
  • 24/2-9/3
  • 4 total stops
  • 56h 16m total
  • Alaska to London
Search Deals
29/4
  • 29/4
  • 2 total stops
  • 25h 15m total
  • Alaska to London
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£95 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£22 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
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 29 January 2026.
Use the filters below to find and compare flights from Alaska to London Heathrow Airport that are best for you.

Fly from

Alaska

Fly to

Heathrow

Route

Depart

Return

Price

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 23/2

01:20-10:30

1 stop24h 10m

London Heathrow

Mon 9/3

06:30-20:34

2 stops22h 04m

£637

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 23/2

15:21-20:10

2 stops19h 49m

London Heathrow

Mon 9/3

06:30-20:34

2 stops22h 04m

£640

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 24/2

09:00-20:35

3 stops26h 35m

London Heathrow

Mon 9/3

16:40-22:50

2 stops38h 10m

£649

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 23/2

05:45-10:30

1 stop19h 45m

London Heathrow

Mon 9/3

14:30-00:28

1 stop17h 58m

£657

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Thu 26/2

05:45-10:30

1 stop19h 45m

London Heathrow

Thu 5/3

12:20-20:44

1 stop17h 24m

£659

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Thu 26/2

23:45-05:55

2 stops21h 10m

London Heathrow

Thu 5/3

11:35-22:50

1 stop20h 15m

£659

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Wed 25/2

01:20-10:30

1 stop24h 10m

London Heathrow

Thu 5/3

14:30-00:09

1 stop18h 39m

£659

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Thu 26/2

08:00-10:25

2 stops17h 25m

London Heathrow

Thu 5/3

14:55-06:09

2 stops24h 14m

£663

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 23/2

09:00-05:55

3 stops35h 55m

London Heathrow

Mon 9/3

11:30-22:50

2 stops43h 20m

£663

JuneauLondon

JNU - LHR

JNULHR

Juneau Intl

Wed 6/5

14:32-13:45

1 stop14h 13m

London Heathrow

Sun 10/5

09:50-23:48

1 stop22h 58m

£996

Flights are sorted by cheapest return flights first.

Deals found on 27/1

Showing 1-10 of 22 results
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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 £502). Flying from Alaska to London Heathrow Airport in June is currently the most expensive (average of £857). 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.

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 19h 49m. Your travel time can differ by up to 6h 46m. 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 £502). Flying from Alaska to London Heathrow Airport in June is currently the most expensive (average of £857). 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
Luton
Croydon
Wembley
Northampton
Gatwick
Slough
Hounslow
Ilford
Brentford
Hayes
Watford
Colchester
Guildford
Swindon
Chelmsford
Bedford
Crawley
Kingston upon Thames
Eastbourne

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Alaska to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Newark to Luton flights
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Boston to Stansted flights
O'Hare Intl to Gatwick flights
Dulles Intl to London City flights
Los Angeles to Gatwick flights
Baltimore to Gatwick flights
O'Hare Intl to London City flights
O'Hare Intl to Stansted flights
Minneapolis to Heathrow flights
San Francisco to Gatwick flights
Reagan-National to Gatwick flights
George Bush Intcntl to Heathrow flights
Charlotte to Heathrow flights
Dallas/Fort Worth to Gatwick flights
Detroit to Heathrow flights
Los Angeles to Stansted flights
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Los Angeles to London City flights
Tampa to Heathrow flights
Raleigh to Heathrow flights

Fly with Cheapflights

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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!

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