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Cheap flights from Alaska to London Heathrow Airport from £250

ANC — LHR
19 Sep — 26 Sep1
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

Mon 21/906:12 -
1 stop24h 23m
Tue 6/1009:55 -
2 stops19h 46m
Deal found 16/8£655
Mon 28/906:12 -
1 stop20h 08m
Fri 27/1106:30 -
2 stops23h 26m
Deal found 19/8£667
Mon 21/920:00 -
2 stops25h 35m
Tue 6/1017:40 -
2 stops35h 17m
Deal found 16/8£668
Mon 21/908:00 -
1 stop18h 20m
Tue 6/1011:40 -
1 stop18h 01m
Deal found 16/8£670
Tue 29/901:32 -
2 stops19h 48m
Thu 26/1106:30 -
2 stops23h 26m
Deal found 19/8£670
Wed 30/906:00 -
2 stops18h 00m
Fri 27/1106:30 -
2 stops23h 26m
Deal found 19/8£673
Sun 4/1006:00 -
2 stops16h 40m
Sun 11/1006:30 -
2 stops23h 29m
Deal found 20/8£679
Tue 29/920:59 -
2 stops26h 36m
Thu 26/1113:25 -
2 stops39h 14m
Deal found 19/8£680
Sat 17/1020:25 -
1 stop25h 00m
Mon 26/1017:35 -
2 stops35h 06m
Deal found 18/8£682
Tue 29/920:59 -
2 stops26h 36m
Tue 24/1111:10 -
2 stops41h 29m
Deal found 19/8£686
Tue 3/1109:03 -
1 stop18h 17m
Thu 5/1114:45 -
1 stop19h 52m
Deal found 16/8£688
Thu 1/1014:30 -
1 stop16h 05m
Thu 8/1009:55 -
2 stops23h 50m
Deal found 17/8£704

Find flight deals from Alaska to Heathrow

Round-trip from

£655

One-way from

£250

Popular in

June

Cheapest in

January

Average price

£793
KLM
  • KLM
  • 21/9-6/10
  • 3 total stops
  • 44h 09m total
  • Alaska to London
Search Deals
Delta
  • Delta
  • 6/2
  • 1 total stop
  • 26h 01m total
  • Alaska to London
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£130 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£20 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
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 Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Sun 10/1

02:58-12:20

1 stop24h 22m

London Heathrow

Fri 15/1

14:45-00:25

1 stop18h 40m

£663

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Mon 11/1

23:40-07:55

2 stops23h 15m

London Heathrow

Fri 15/1

13:00-19:40

2 stops39h 40m

£680

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Mon 5/10

23:45-06:45

2 stops22h 00m

London Heathrow

Wed 14/10

14:50-22:43

1 stop16h 53m

£688

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Tue 3/11

05:47-12:20

1 stop21h 33m

London Heathrow

Thu 5/11

14:45-09:33

2 stops27h 48m

£691

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Thu 10/12

01:30-07:50

2 stops21h 20m

London Heathrow

Fri 25/12

06:30-21:03

2 stops23h 33m

£694

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Sun 18/10

16:05-15:35

1 stop14h 30m

London Heathrow

Sun 1/11

06:30-21:59

2 stops23h 29m

£703

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Thu 15/10

11:29-11:20

1 stop14h 51m

London Heathrow

Thu 22/10

06:30-20:41

2 stops23h 11m

£703

FairbanksLondon

FAI Fairbanks - LHR London Heathrow

FAILHR

Fairbanks

Thu 1/10

14:30-15:35

1 stop16h 05m

London Heathrow

Thu 8/10

09:55-00:45

2 stops23h 50m

£704
Fastest return journey

FairbanksLondon

FAI Fairbanks - LHR London Heathrow

FAILHR

Fairbanks

Tue 3/11

12:13-12:20

1 stop15h 07m

London Heathrow

Fri 6/11

14:45-01:50

1 stop20h 05m

£762

JuneauLondon

JNU Juneau Intl - LHR London Heathrow

JNULHR

Juneau Intl

Tue 13/10

14:23-20:20

2 stops20h 57m

London Heathrow

Thu 22/10

21:25-21:45

2 stops33h 20m

£819

Flights are sorted by cheapest return flights first.

Deals found on 17/8

Showing 1-10 of 27 resultsSorted by cheapest first
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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

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, April is the cheapest month in which you can book a flight from Alaska to London Heathrow Airport (average of £687). Flying from Alaska to London Heathrow Airport in December is currently the most expensive (average of £2,001). 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?

Airfare is below average for this route at the moment.
Alaska to London Heathrow Airport flights typically cost between £714 and £1,173 in September.
The cheapest return price found within the last 5 days was £655 on KLM (21 Sept–6 Oct).

Related info for your journey

  • How long is the flight from Alaska to London Heathrow Airport?

    Alaska Airlines, United Airlines, and Delta can get you from Alaska to London Heathrow Airport in just under 16h 05m. Your travel time can differ by up to 8h 17m. Airlines will cover a distance of 4213 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Alaska to London Heathrow Airport one-way?

    The cheapest airline one-way is Air Canada, with whom users have recently found tickets for as low as £311. However, be on the lookout for offers from Virgin Atlantic and British Airways, as they are both options that can get you from Alaska to London Heathrow Airport for a low price.

  • 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, April is the cheapest month in which you can book a flight from Alaska to London Heathrow Airport (average of £687). Flying from Alaska to London Heathrow Airport in December is currently the most expensive (average of £2,001). 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
Hounslow
Milton Keynes
Luton
Wembley
Gatwick
Slough
Ilford
Hayes
Croydon
Colchester
Eastbourne
Brentford
Northampton
Southend-on-Sea
Barnet
Enfield
Swindon
Kingston upon Thames
Southall
Salisbury

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Alaska to Heathrow

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Boston to London City flights
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San Francisco to Gatwick flights
Los Angeles to London City flights
Los Angeles to Stansted flights
San Francisco to London City flights
O'Hare Intl to Gatwick flights
Dulles Intl to Luton flights
Boston to Luton flights
San Francisco to Stansted flights
Minneapolis to Heathrow flights
Raleigh to Heathrow flights
O'Hare Intl to Stansted flights
Austin to Heathrow flights

Fly with Cheapflights

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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