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

Icelandair, Delta, and KLM 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.

$615 Cheap Flights from London Heathrow Airport to Alaska in 2026

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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.

6:00 am - 12:35 am

LHR

ANC

27h 35m

2 stops

12:59 am - 10:10 am

ANC

LHR

24h 11m

2 stops

$877Multiple Airlines

Sun, May 3 - Sat, May 9

7:25 am - 12:27 am

LHR

ANC

26h 02m

2 stops

11:45 pm - 10:10 am

ANC

LHR

25h 25m

1 stop

$878Multiple Airlines

Fri, Apr 17 - Fri, Apr 24

7:25 am - 12:27 am

LHR

ANC

26h 02m

2 stops

11:45 pm - 10:40 am

ANC

LHR

25h 55m

2 stops

$895Multiple Airlines

Fri, Apr 17 - Fri, Apr 24

8:20 am - 12:27 am

LHR

ANC

25h 07m

1 stop

11:45 pm - 3:05 pm

ANC

LHR

30h 20m

1 stop

$908Multiple Airlines

Fri, Apr 17 - Fri, Apr 24

7:30 am - 2:50 pm

LHR

ANC

16h 20m

1 stop

4:50 pm - 5:40 pm

ANC

LHR

15h 50m

1 stop

$950Multiple Airlines

Sat, May 16 - Sat, May 23

7:30 am - 2:50 pm

LHR

ANC

16h 20m

1 stop

4:50 pm - 5:40 pm

ANC

LHR

15h 50m

1 stop

$957Multiple Airlines

Sat, May 16 - Sat, May 23

9:25 pm - 4:32 pm

LHR

ANC

28h 07m

2 stops

5:00 am - 11:55 am

ANC

LHR

21h 55m

2 stops

$1,013Multiple Airlines

Tue, Sep 1 - Tue, Sep 8

9:25 pm - 4:32 pm

LHR

ANC

28h 07m

2 stops

12:55 am - 11:55 am

ANC

LHR

26h 00m

2 stops

$1,017Multiple Airlines

Sat, Sep 5 - Thu, Sep 17

7:25 am - 12:27 am

LHR

ANC

26h 02m

2 stops

11:45 pm - 10:10 am

ANC

LHR

25h 25m

1 stop

$1,026Multiple Airlines

Fri, Apr 17 - Fri, Apr 24

1:05 pm - 10:43 pm

LHR

ANC

18h 38m

2 stops

1:22 pm - 8:20 pm

ANC

LHR

21h 58m

2 stops

$1,036Icelandair

Thu, Apr 30 - Mon, May 4

Icelandair flights from London Heathrow Airport to Alaska

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

Icelandair

Apr 30

LHR1:05 pmLondon Heathrow

18h 38m

2 stops

ANC10:43 pmAnchorage

May 4

ANC1:22 pmAnchorage

21h 58m

2 stops

LHR8:20 pmLondon Heathrow

$1,036

Icelandair

Apr 13

LHR9:25 pmLondon Heathrow

58h 10m

2 stops

ANC10:35 pmAnchorage

Apr 20

ANC12:10 pmAnchorage

47h 10m

2 stops

LHR8:20 pmLondon Heathrow

$1,047

Icelandair

Jun 10

LHR9:25 pmLondon Heathrow

33h 53m

2 stops

ANC10:18 pmAnchorage

Jun 19

ANC5:23 pmAnchorage

17h 57m

2 stops

LHR8:20 pmLondon Heathrow

$1,323

Scandinavian Airlines flights from London Heathrow Airport to Alaska

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

Scandinavian Airlines

Sep 5

LHR6:40 amLondon Heathrow

24h 42m

2 stops

ANC10:22 pmAnchorage

Sep 19

ANC6:00 amAnchorage

26h 40m

2 stops

LHR5:40 pmLondon Heathrow

$1,065

Scandinavian Airlines

Sep 5

LHR6:40 amLondon Heathrow

27h 55m

3 stops

ANC1:35 amAnchorage

Sep 19

ANC6:00 amAnchorage

26h 40m

2 stops

LHR5:40 pmLondon Heathrow

$1,072

Scandinavian Airlines

Sep 5

LHR6:40 amLondon Heathrow

27h 55m

3 stops

ANC1:35 amAnchorage

Sep 19

ANC6:00 amAnchorage

26h 40m

3 stops

LHR5:40 pmLondon Heathrow

$1,112

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

Sun 5/3

6:00 am-12:35 am

2 stops27h 35m

Anchorage

Sat 5/9

12:59 am-10:10 am

2 stops24h 11m

$877

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Fri 4/17

7:25 am-12:27 am

2 stops26h 02m

Anchorage

Fri 4/24

11:45 pm-10:10 am

1 stop25h 25m

$878

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Fri 4/17

7:25 am-12:27 am

2 stops26h 02m

Anchorage

Fri 4/24

11:45 pm-10:40 am

2 stops25h 55m

$895

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Fri 4/17

8:20 am-12:27 am

1 stop25h 07m

Anchorage

Fri 4/24

11:45 pm-3:05 pm

1 stop30h 20m

$908

Quickest round-trip

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Sat 5/16

7:30 am-2:50 pm

1 stop16h 20m

Anchorage

Sat 5/23

4:50 pm-5:40 pm

1 stop15h 50m

$950

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Sat 5/16

7:30 am-2:50 pm

1 stop16h 20m

Anchorage

Sat 5/23

4:50 pm-5:40 pm

1 stop15h 50m

$957

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Tue 9/1

9:25 pm-4:32 pm

2 stops28h 07m

Anchorage

Tue 9/8

5:00 am-11:55 am

2 stops21h 55m

$1,013

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Sat 9/5

9:25 pm-4:32 pm

2 stops28h 07m

Anchorage

Thu 9/17

12:55 am-11:55 am

2 stops26h 00m

$1,017

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Fri 4/17

7:25 am-12:27 am

2 stops26h 02m

Anchorage

Fri 4/24

11:45 pm-10:10 am

1 stop25h 25m

$1,026

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Thu 4/30

1:05 pm-10:43 pm

2 stops18h 38m

Anchorage

Mon 5/4

1:22 pm-8:20 pm

2 stops21h 58m

$1,036

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 January, then you should wait until October to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of $970.

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

You could potentially save up to 20% 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	18h 38m
Direct flights	None

The fastest flight from London Heathrow Airport to Alaska takes 18h 38m

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

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.