What is the cheapest airline that flies from London Heathrow to Alaska?

WestJet and Alaska Airlines are the most popular carriers operating from London Heathrow to Alaska

How old do you have to be to fly from London Heathrow Airport to Alaska?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport to Alaska.

What documentation or ID do you need to fly to Alaska?

The required travel and health documents for your Alaska trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Alaska. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$589 Cheap Flights from London Heathrow Airport to Alaska in 2026

Find the cheapest flights from London Heathrow Airport to Alaska

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:40 am - 11:55 pm

LHR

ANC

26h 15m

2 stops

8:00 am - 6:30 pm

ANC

LHR

25h 30m

2 stops

$976Scandinavian Airlines

Tue, Sep 1 - Tue, Sep 15

6:40 am - 12:32 am

LHR

ANC

26h 52m

2 stops

8:00 am - 6:30 pm

ANC

LHR

25h 30m

3 stops

$984Scandinavian Airlines

Tue, Sep 22 - Fri, Sep 25

7:05 am - 12:32 am

LHR

ANC

26h 27m

3 stops

8:00 am - 6:30 pm

ANC

LHR

25h 30m

3 stops

$987Scandinavian Airlines

Tue, Sep 22 - Fri, Sep 25

6:40 am - 11:55 pm

LHR

ANC

26h 15m

2 stops

8:00 am - 4:25 pm

ANC

LHR

23h 25m

3 stops

$999Scandinavian Airlines

Tue, Sep 1 - Tue, Sep 15

7:05 am - 8:12 pm

LHR

ANC

22h 07m

3 stops

8:00 am - 4:25 pm

ANC

LHR

23h 25m

3 stops

$1,003Scandinavian Airlines

Tue, Sep 1 - Tue, Sep 15

6:00 am - 12:17 am

LHR

ANC

27h 17m

2 stops

3:58 pm - 3:05 pm

ANC

LHR

14h 07m

1 stop

$1,038Multiple Airlines

Mon, Sep 21 - Mon, Oct 5

9:25 pm - 10:45 pm

LHR

ANC

58h 20m

2 stops

9:05 am - 11:55 am

ANC

LHR

17h 50m

2 stops

$1,053Icelandair

Mon, Sep 21 - Mon, Oct 5

10:50 am - 9:45 pm

LHR

ANC

19h 55m

2 stops

11:06 am - 3:35 pm

ANC

LHR

19h 29m

1 stop

$1,060Multiple Airlines

Wed, Sep 2 - Wed, Sep 16

2:45 pm - 9:38 pm

LHR

FAI

15h 53m

1 stop

12:00 pm - 12:20 pm

FAI

LHR

15h 20m

1 stop

$1,414Alaska Airlines

Thu, Nov 5 - Thu, Nov 19

2:45 pm - 11:04 am

LHR

FAI

29h 19m

2 stops

5:30 am - 12:20 pm

FAI

LHR

21h 50m

1 stop

$1,417Alaska Airlines

Thu, Nov 5 - Thu, Nov 19

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Alaska Airlines flights from London Heathrow Airport to Alaska

Our best Alaska Airlines deals on London Heathrow Airport to Alaska flight tickets

Alaska Airlines

Oct 15

LHR5:00 pmLondon Heathrow

16h 51m

1 stop

ANC12:51 amAnchorage

Oct 19

ANC3:58 pmAnchorage

14h 07m

1 stop

LHR3:05 pmLondon Heathrow

$1,318

Alaska Airlines

Aug 20

LHR5:00 pmLondon Heathrow

16h 47m

1 stop

ANC12:47 amAnchorage

Aug 27

ANC9:07 amAnchorage

20h 58m

1 stop

LHR3:05 pmLondon Heathrow

$1,327

Alaska Airlines

Oct 15

LHR5:00 pmLondon Heathrow

16h 51m

1 stop

ANC12:51 amAnchorage

Oct 19

ANC3:58 pmAnchorage

14h 07m

1 stop

LHR3:05 pmLondon Heathrow

$1,337

Icelandair flights from London Heathrow Airport to Alaska

Our best Icelandair deals on London Heathrow Airport to Alaska flight tickets

Icelandair

Sep 21

LHR9:25 pmLondon Heathrow

58h 20m

2 stops

ANC10:45 pmAnchorage

Oct 5

ANC9:05 amAnchorage

17h 50m

2 stops

LHR11:55 amLondon Heathrow

$1,053

Icelandair

Sep 22

LHR1:05 pmLondon Heathrow

18h 40m

2 stops

ANC10:45 pmAnchorage

Sep 25

ANC9:45 amAnchorage

25h 35m

2 stops

LHR8:20 pmLondon Heathrow

$1,128

Icelandair

Oct 15

LHR1:05 pmLondon Heathrow

21h 34m

2 stops

ANC1:39 amAnchorage

Oct 19

ANC9:05 amAnchorage

26h 15m

2 stops

LHR8:20 pmLondon Heathrow

$1,160

momondo Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Alaska that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Tue 9/1

6:40 am-11:55 pm

2 stops26h 15m

Anchorage

Tue 9/15

8:00 am-6:30 pm

2 stops25h 30m

$976

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Tue 9/22

6:40 am-12:32 am

2 stops26h 52m

Anchorage

Fri 9/25

8:00 am-6:30 pm

3 stops25h 30m

$984

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Tue 9/22

7:05 am-12:32 am

3 stops26h 27m

Anchorage

Fri 9/25

8:00 am-6:30 pm

3 stops25h 30m

$987

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Tue 9/1

6:40 am-11:55 pm

2 stops26h 15m

Anchorage

Tue 9/15

8:00 am-4:25 pm

3 stops23h 25m

$999

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Tue 9/1

7:05 am-8:12 pm

3 stops22h 07m

Anchorage

Tue 9/15

8:00 am-4:25 pm

3 stops23h 25m

$1,003

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Mon 9/21

6:00 am-12:17 am

2 stops27h 17m

Anchorage

Mon 10/5

3:58 pm-3:05 pm

1 stop14h 07m

$1,038

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Mon 9/21

9:25 pm-10:45 pm

2 stops58h 20m

Anchorage

Mon 10/5

9:05 am-11:55 am

2 stops17h 50m

$1,053

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Wed 9/2

10:50 am-9:45 pm

2 stops19h 55m

Anchorage

Wed 9/16

11:06 am-3:35 pm

1 stop19h 29m

$1,060

Quickest round-trip

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Thu 11/5

2:45 pm-9:38 pm

1 stop15h 53m

Fairbanks

Thu 11/19

12:00 pm-12:20 pm

1 stop15h 20m

$1,414

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Thu 11/5

2:45 pm-11:04 am

2 stops29h 19m

Fairbanks

Thu 11/19

5:30 am-12:20 pm

1 stop21h 50m

$1,417

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from London Heathrow Airport to Alaska

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Alaska?

If you don’t want to visit Alaska in March, then you should wait until February to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of $847.

Can stopping save me money on London Heathrow Airport to Alaska flights?

You could potentially save up to 31% on your flight if you consider stops on a London Heathrow Airport to Alaska flight.

Cheap London Heathrow Airport to Alaska flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Alaska

Fastest flight time	21h 32m
Direct flights	None

The fastest flight from London Heathrow Airport to Alaska takes 21h 32m

There are no direct flights from London Heathrow Airport to Alaska. There are no popular flight routes from London Heathrow Airport to Alaska.

Search flight deals

Frequently asked questions about flying from London Heathrow Airport to Alaska

When did momondo last update prices for flights from London Heathrow Airport to Alaska?
Prices for flights from London Heathrow Airport to Alaska refresh daily.
How old do you have to be to fly from London Heathrow Airport to Alaska?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport to Alaska.
What documentation or ID do you need to fly to Alaska?
The required travel and health documents for your Alaska trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Alaska. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from London to Alaska?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Alaska. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from London to Alaska with flexible booking policies on momondo?

All flight searches from London to Alaska on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from London to Alaska?

Once all potential London to Alaska flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from London to Alaska right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Alaska from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.