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

Finnair, Icelandair, and United 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.

$680 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.

5:00 pm - 8:15 pmLHR London Heathrow-ANC Anchorage

36h 15m2 stops Kastrup Copenhagen Seattle/Tacoma Intl

8:00 am - 9:20 amANC Anchorage-LHR London Heathrow

40h 20m2 stops Seattle/Tacoma Intl Kastrup Copenhagen

$741Scandinavian Airlines

Sat, Sep 19 - Sat, Sep 26

6:40 am - 8:15 pmLHR London Heathrow-ANC Anchorage

22h 35m2 stops Kastrup Copenhagen Seattle/Tacoma Intl

6:12 am - 1:35 pmANC Anchorage-LHR London Heathrow

22h 23m2 stops Seattle/Tacoma Intl Kastrup Copenhagen

$745Scandinavian Airlines

Sat, Sep 12 - Fri, Sep 18

6:40 am - 12:27 amLHR London Heathrow-ANC Anchorage

26h 47m2 stops Kastrup Copenhagen Seattle/Tacoma Intl

6:12 am - 1:35 pmANC Anchorage-LHR London Heathrow

22h 23m2 stops Seattle/Tacoma Intl Kastrup Copenhagen

$755Scandinavian Airlines

Sat, Sep 12 - Fri, Sep 18

6:40 am - 8:12 pmLHR London Heathrow-ANC Anchorage

22h 32m2 stops Kastrup Copenhagen Seattle/Tacoma Intl

6:12 am - 1:35 pmANC Anchorage-LHR London Heathrow

22h 23m2 stops Seattle/Tacoma Intl Kastrup Copenhagen

$756Scandinavian Airlines

Fri, Sep 4 - Fri, Sep 18

6:40 am - 12:27 amLHR London Heathrow-ANC Anchorage

26h 47m2 stops Kastrup Copenhagen Seattle/Tacoma Intl

6:12 am - 5:40 pmANC Anchorage-LHR London Heathrow

26h 28m2 stops Seattle/Tacoma Intl Kastrup Copenhagen

$762Scandinavian Airlines

Sat, Sep 12 - Sat, Sep 26

6:40 pm - 8:15 pmLHR London Heathrow-ANC Anchorage

34h 35m2 stops Kastrup Copenhagen Seattle/Tacoma Intl

6:12 am - 1:35 pmANC Anchorage-LHR London Heathrow

22h 23m2 stops Seattle/Tacoma Intl Kastrup Copenhagen

$763Scandinavian Airlines

Fri, Sep 11 - Fri, Sep 18

6:40 am - 12:27 amLHR London Heathrow-ANC Anchorage

26h 47m2 stops Kastrup Copenhagen Seattle/Tacoma Intl

6:12 am - 1:35 pmANC Anchorage-LHR London Heathrow

22h 23m2 stops Seattle/Tacoma Intl Kastrup Copenhagen

$769Scandinavian Airlines

Sat, Sep 12 - Fri, Sep 25

5:00 pm - 12:27 amLHR London Heathrow-ANC Anchorage

40h 27m2 stops Kastrup Copenhagen Seattle/Tacoma Intl

6:12 am - 9:20 amANC Anchorage-LHR London Heathrow

42h 08m2 stops Seattle/Tacoma Intl Kastrup Copenhagen

$770Scandinavian Airlines

Sat, Sep 19 - Sat, Sep 26

6:40 am - 8:15 pmLHR London Heathrow-ANC Anchorage

22h 35m2 stops Kastrup Copenhagen Seattle/Tacoma Intl

8:00 am - 5:40 pmANC Anchorage-LHR London Heathrow

24h 40m2 stops Seattle/Tacoma Intl Kastrup Copenhagen

$772Scandinavian Airlines

Sat, Sep 12 - Sat, Sep 26

6:40 pm - 8:15 pmLHR London Heathrow-ANC Anchorage

34h 35m2 stops Kastrup Copenhagen Seattle/Tacoma Intl

6:12 am - 1:35 pmANC Anchorage-LHR London Heathrow

22h 23m2 stops Seattle/Tacoma Intl Kastrup Copenhagen

$777Scandinavian Airlines

Fri, Sep 11 - Fri, Sep 18

Cheap last minute flights

Enter your travel dates to find the best prices.

6:40 am - 11:58 pmLHR London Heathrow-ANC Anchorage

26h 18m2 stops Kastrup Copenhagen Seattle/Tacoma Intl

6:15 am - 5:40 pmANC Anchorage-LHR London Heathrow

26h 25m2 stops Seattle/Tacoma Intl Kastrup Copenhagen

$1,748Scandinavian Airlines

Sat, Aug 8 - Sun, Aug 9

6:40 am - 11:58 pmLHR London Heathrow-ANC Anchorage

26h 18m2 stops Kastrup Copenhagen Seattle/Tacoma Intl

6:15 am - 4:25 pmANC Anchorage-LHR London Heathrow

25h 10m3 stops Seattle/Tacoma Intl Kastrup Copenhagen Oslo Gardermoen

$1,751Scandinavian Airlines

Sat, Aug 8 - Sun, Aug 9

7:30 am - 2:50 pmLHR London Heathrow-ANC Anchorage

16h 20m1 stop Frankfurt am Main

11:30 am - 8:40 pmANC Anchorage-LHR London Heathrow

24h 10m2 stops Seattle/Tacoma Intl Frankfurt am Main

$1,823Multiple Airlines

Sat, Aug 8 - Sun, Aug 9

6:40 am - 11:58 pmLHR London Heathrow-ANC Anchorage

26h 18m2 stops Kastrup Copenhagen Seattle/Tacoma Intl

6:15 am - 9:20 amANC Anchorage-LHR London Heathrow

42h 05m2 stops Seattle/Tacoma Intl Kastrup Copenhagen

$1,850Scandinavian Airlines

Sat, Aug 8 - Fri, Aug 14

7:40 am - 12:30 pmLHR London Heathrow-ANC Anchorage

37h 50m3 stops Dublin Toronto Pearson Intl Calgary

2:40 pm - 11:50 amANC Anchorage-LHR London Heathrow

36h 10m2 stops Vancouver Intl Calgary

$1,864Multiple Airlines

Sat, Aug 8 - Mon, Aug 31

6:40 am - 11:58 pmLHR London Heathrow-ANC Anchorage

26h 18m2 stops Kastrup Copenhagen Seattle/Tacoma Intl

6:15 am - 4:25 pmANC Anchorage-LHR London Heathrow

25h 10m3 stops Seattle/Tacoma Intl Kastrup Copenhagen Stockholm Arlanda

$1,869Scandinavian Airlines

Sat, Aug 8 - Fri, Aug 14

11:30 am - 10:56 pmLHR London Heathrow-ANC Anchorage

20h 26m2 stops Paris Charles de Gaulle Seattle/Tacoma Intl

2:44 pm - 3:35 pmANC Anchorage-LHR London Heathrow

15h 51m1 stop Seattle/Tacoma Intl

$1,963Multiple Airlines

Sat, Aug 8 - Fri, Aug 14

6:40 am - 11:58 pmLHR London Heathrow-ANC Anchorage

26h 18m3 stops Kastrup Copenhagen Chicago O'Hare Intl Seattle/Tacoma Intl

6:15 am - 6:30 pmANC Anchorage-LHR London Heathrow

27h 15m3 stops Seattle/Tacoma Intl Kastrup Copenhagen Stockholm Arlanda

$1,984Scandinavian Airlines

Sat, Aug 8 - Fri, Aug 14

5:00 pm - 2:40 amLHR London Heathrow-ANC Anchorage

18h 40m1 stop Seattle/Tacoma Intl

9:07 am - 3:05 pmANC Anchorage-LHR London Heathrow

20h 58m1 stop Seattle/Tacoma Intl

$2,019Alaska Airlines

Sat, Aug 8 - Fri, Aug 14

5:00 pm - 11:55 pmLHR London Heathrow-ANC Anchorage

15h 55m1 stop Seattle/Tacoma Intl

10:00 am - 3:05 pmANC Anchorage-LHR London Heathrow

20h 05m1 stop Seattle/Tacoma Intl

$2,088Alaska Airlines

Sat, Aug 8 - Sun, Aug 9

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Icelandair flights from London Heathrow Airport to Alaska

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

Icelandair

Nov 11

LHR12:15 pmLondon Heathrow

18h 35m

2 stops

ANC9:50 pmAnchorage

Nov 26

ANC7:35 amAnchorage

18h 15m

2 stops

LHR10:50 amLondon Heathrow

$1,010

Icelandair

Dec 8

LHR12:15 pmLondon Heathrow

19h 25m

2 stops

ANC10:40 pmAnchorage

Dec 15

ANC7:15 amAnchorage

18h 35m

2 stops

LHR10:50 amLondon Heathrow

$1,041

Icelandair

Dec 9

LHR12:15 pmLondon Heathrow

21h 03m

2 stops

FAI12:18 amFairbanks

Dec 16

FAI5:50 amFairbanks

20h 00m

2 stops

LHR10:50 amLondon Heathrow

$1,129

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 19

LHR5:00 pmLondon Heathrow

36h 15m

2 stops

ANC8:15 pmAnchorage

Sep 26

ANC8:00 amAnchorage

40h 20m

2 stops

LHR9:20 amLondon Heathrow

$741

Scandinavian Airlines

Sep 12

LHR6:40 amLondon Heathrow

22h 35m

2 stops

ANC8:15 pmAnchorage

Sep 18

ANC6:12 amAnchorage

22h 23m

2 stops

LHR1:35 pmLondon Heathrow

$745

Scandinavian Airlines

Sep 12

LHR6:40 amLondon Heathrow

26h 47m

2 stops

ANC12:27 amAnchorage

Sep 18

ANC6:12 amAnchorage

22h 23m

2 stops

LHR1:35 pmLondon Heathrow

$755

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 London Heathrow - ANC Anchorage

LHRANC

London Heathrow

Sat 9/19

5:00 pm-8:15 pm

2 stops36h 15m

Anchorage

Sat 9/26

8:00 am-9:20 am

2 stops40h 20m

$741

LondonAnchorage

LHR London Heathrow - ANC Anchorage

LHRANC

London Heathrow

Sat 9/12

6:40 am-8:15 pm

2 stops22h 35m

Anchorage

Fri 9/18

6:12 am-1:35 pm

2 stops22h 23m

$745

LondonAnchorage

LHR London Heathrow - ANC Anchorage

LHRANC

London Heathrow

Sat 9/12

6:40 am-12:27 am

2 stops26h 47m

Anchorage

Fri 9/18

6:12 am-1:35 pm

2 stops22h 23m

$755

Quickest round-trip

LondonAnchorage

LHR London Heathrow - ANC Anchorage

LHRANC

London Heathrow

Fri 9/4

6:40 am-8:12 pm

2 stops22h 32m

Anchorage

Fri 9/18

6:12 am-1:35 pm

2 stops22h 23m

$756

LondonAnchorage

LHR London Heathrow - ANC Anchorage

LHRANC

London Heathrow

Sat 9/12

6:40 am-12:27 am

2 stops26h 47m

Anchorage

Sat 9/26

6:12 am-5:40 pm

2 stops26h 28m

$762

LondonAnchorage

LHR London Heathrow - ANC Anchorage

LHRANC

London Heathrow

Fri 9/11

6:40 pm-8:15 pm

2 stops34h 35m

Anchorage

Fri 9/18

6:12 am-1:35 pm

2 stops22h 23m

$763

LondonAnchorage

LHR London Heathrow - ANC Anchorage

LHRANC

London Heathrow

Sat 9/12

6:40 am-12:27 am

2 stops26h 47m

Anchorage

Fri 9/25

6:12 am-1:35 pm

2 stops22h 23m

$769

LondonAnchorage

LHR London Heathrow - ANC Anchorage

LHRANC

London Heathrow

Sat 9/19

5:00 pm-12:27 am

2 stops40h 27m

Anchorage

Sat 9/26

6:12 am-9:20 am

2 stops42h 08m

$770

LondonAnchorage

LHR London Heathrow - ANC Anchorage

LHRANC

London Heathrow

Sat 9/12

6:40 am-8:15 pm

2 stops22h 35m

Anchorage

Sat 9/26

8:00 am-5:40 pm

2 stops24h 40m

$772

LondonAnchorage

LHR London Heathrow - ANC Anchorage

LHRANC

London Heathrow

Fri 9/11

6:40 pm-8:15 pm

2 stops34h 35m

Anchorage

Fri 9/18

6:12 am-1:35 pm

2 stops22h 23m

$777

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 January to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of $925.

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

You could potentially save up to 10% 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	17h 19m
Direct flights	None

The fastest flight from London Heathrow Airport to Alaska takes 17h 19m

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.