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

United Airlines and Delta 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.

$686 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.

9:25 pm - 4:06 pm

LHR

ANC

27h 41m

2 stops

6:05 am - 11:55 am

ANC

LHR

20h 50m

2 stops

$998Multiple Airlines

Tue, Sep 1 - Tue, Sep 15

1:05 pm - 10:45 pm

LHR

ANC

18h 40m

2 stops

2:26 am - 11:55 am

ANC

LHR

24h 29m

2 stops

$1,002Multiple Airlines

Tue, Sep 1 - Thu, Sep 17

1:05 pm - 10:45 pm

LHR

ANC

18h 40m

2 stops

7:05 am - 11:55 am

ANC

LHR

19h 50m

2 stops

$1,003Multiple Airlines

Tue, Sep 1 - Tue, Sep 15

1:05 pm - 10:45 pm

LHR

ANC

18h 40m

2 stops

7:05 am - 11:55 am

ANC

LHR

19h 50m

2 stops

$1,007Multiple Airlines

Tue, Sep 1 - Tue, Sep 15

1:05 pm - 10:45 pm

LHR

ANC

18h 40m

2 stops

7:05 am - 11:55 am

ANC

LHR

19h 50m

2 stops

$1,018Multiple Airlines

Tue, Sep 1 - Tue, Sep 15

6:40 am - 10:22 pm

LHR

ANC

24h 42m

2 stops

6:00 am - 4:25 pm

ANC

LHR

25h 25m

3 stops

$1,031Scandinavian Airlines

Sat, Sep 5 - Sat, Sep 19

6:40 am - 10:22 pm

LHR

ANC

24h 42m

3 stops

6:00 am - 6:50 pm

ANC

LHR

27h 50m

3 stops

$1,038Scandinavian Airlines

Sat, Sep 5 - Sat, Sep 19

5:00 pm - 2:15 am

LHR

FAI

18h 15m

1 stop

5:31 am - 3:05 pm

FAI

LHR

24h 34m

1 stop

$1,665Alaska Airlines

Thu, Jun 11 - Sun, Jun 14

5:00 pm - 11:21 am

LHR

FAI

27h 21m

2 stops

7:01 am - 3:05 pm

FAI

LHR

23h 04m

2 stops

$1,666Alaska Airlines

Thu, Jun 11 - Sun, Jun 14

5:00 pm - 7:51 am

LHR

FAI

23h 51m

2 stops

3:53 pm - 3:05 pm

FAI

LHR

14h 12m

1 stop

$1,668Alaska Airlines

Thu, Jun 11 - Sun, Jun 14

Icelandair flights from London Heathrow Airport to Alaska

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

Icelandair

Sep 1

LHR1:05 pmLondon Heathrow

18h 40m

2 stops

ANC10:45 pmAnchorage

Sep 15

ANC12:15 pmAnchorage

23h 05m

2 stops

LHR8:20 pmLondon Heathrow

$1,121

Icelandair

Jun 20

LHR9:25 pmLondon Heathrow

33h 57m

2 stops

ANC10:22 pmAnchorage

Jun 27

ANC5:23 pmAnchorage

17h 57m

2 stops

LHR8:20 pmLondon Heathrow

$1,390

Icelandair

Aug 3

LHR9:25 pmLondon Heathrow

37h 12m

2 stops

ANC1:37 amAnchorage

Sep 20

ANC9:05 amAnchorage

17h 50m

2 stops

LHR11:55 amLondon Heathrow

$1,392

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

25h 25m

3 stops

LHR4:25 pmLondon Heathrow

$1,031

Scandinavian Airlines

Sep 5

LHR6:40 amLondon Heathrow

24h 42m

3 stops

ANC10:22 pmAnchorage

Sep 19

ANC6:00 amAnchorage

27h 50m

3 stops

LHR6:50 pmLondon Heathrow

$1,038

Scandinavian Airlines

Jun 13

LHR6:40 amLondon Heathrow

26h 16m

2 stops

ANC11:56 pmAnchorage

Jun 27

ANC8:15 amAnchorage

25h 15m

2 stops

LHR6:30 pmLondon Heathrow

$1,097

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

9:25 pm-4:06 pm

2 stops27h 41m

Anchorage

Tue 9/15

6:05 am-11:55 am

2 stops20h 50m

$998

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Tue 9/1

1:05 pm-10:45 pm

2 stops18h 40m

Anchorage

Thu 9/17

2:26 am-11:55 am

2 stops24h 29m

$1,002

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Tue 9/1

1:05 pm-10:45 pm

2 stops18h 40m

Anchorage

Tue 9/15

7:05 am-11:55 am

2 stops19h 50m

$1,003

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Tue 9/1

1:05 pm-10:45 pm

2 stops18h 40m

Anchorage

Tue 9/15

7:05 am-11:55 am

2 stops19h 50m

$1,007

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Tue 9/1

1:05 pm-10:45 pm

2 stops18h 40m

Anchorage

Tue 9/15

7:05 am-11:55 am

2 stops19h 50m

$1,018

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Sat 9/5

6:40 am-10:22 pm

2 stops24h 42m

Anchorage

Sat 9/19

6:00 am-4:25 pm

3 stops25h 25m

$1,031

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Sat 9/5

6:40 am-10:22 pm

3 stops24h 42m

Anchorage

Sat 9/19

6:00 am-6:50 pm

3 stops27h 50m

$1,038

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Thu 6/11

5:00 pm-2:15 am

1 stop18h 15m

Fairbanks

Sun 6/14

5:31 am-3:05 pm

1 stop24h 34m

$1,665

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Thu 6/11

5:00 pm-11:21 am

2 stops27h 21m

Fairbanks

Sun 6/14

7:01 am-3:05 pm

2 stops23h 04m

$1,666

Quickest round-trip

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Thu 6/11

5:00 pm-7:51 am

2 stops23h 51m

Fairbanks

Sun 6/14

3:53 pm-3:05 pm

1 stop14h 12m

$1,668

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 40% 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 20m
Direct flights	None

The fastest flight from London Heathrow Airport to Alaska takes 17h 20m

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.