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

Delta 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.

$731 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

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:15 pm - 1:09 am

LHR

ANC

21h 54m

2 stops

6:00 am - 10:50 am

ANC

LHR

20h 50m

2 stops

$731Multiple Airlines

Tue, Mar 3 - Tue, Mar 10

9:00 am - 12:55 am

LHR

ANC

23h 55m

2 stops

12:53 am - 1:30 pm

ANC

LHR

28h 37m

1 stop

$788Multiple Airlines

Mon, Mar 9 - Mon, Mar 16

9:00 am - 12:55 am

LHR

ANC

23h 55m

2 stops

6:55 am - 1:30 pm

ANC

LHR

22h 35m

2 stops

$792Multiple Airlines

Mon, Mar 9 - Tue, Mar 17

12:30 pm - 12:55 am

LHR

ANC

20h 25m

1 stop

12:53 am - 2:00 pm

ANC

LHR

29h 07m

1 stop

$807Multiple Airlines

Mon, Mar 9 - Mon, Mar 16

6:30 am - 12:55 am

LHR

ANC

27h 25m

2 stops

6:55 am - 1:30 pm

ANC

LHR

22h 35m

2 stops

$819Multiple Airlines

Tue, Mar 3 - Tue, Mar 10

2:30 pm - 12:12 am

LHR

FAI

17h 42m

1 stop

1:30 am - 10:30 am

FAI

LHR

25h 00m

1 stop

$1,523Virgin Atlantic

Thu, Mar 19 - Wed, Mar 25

11:05 am - 12:12 am

LHR

FAI

21h 07m

2 stops

1:30 am - 7:50 am

FAI

LHR

22h 20m

2 stops

$1,524Virgin Atlantic

Thu, Mar 19 - Wed, Mar 25

2:30 pm - 12:12 am

LHR

FAI

17h 42m

1 stop

1:30 am - 7:50 am

FAI

LHR

22h 20m

2 stops

$1,530Virgin Atlantic

Thu, Mar 19 - Wed, Mar 25

2:55 pm - 10:15 pm

LHR

FAI

16h 20m

1 stop

11:30 am - 12:20 pm

FAI

LHR

15h 50m

1 stop

$3,597British Airways

Thu, Feb 19 - Mon, Feb 23

2:55 pm - 10:15 pm

LHR

FAI

16h 20m

1 stop

11:30 am - 12:20 pm

FAI

LHR

15h 50m

1 stop

$3,764British Airways

Thu, Feb 19 - Mon, Feb 23

Icelandair flights from London Heathrow Airport to Alaska

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

Icelandair

Jun 9

LHR9:25 pmLondon Heathrow

33h 32m

2 stops

ANC9:57 pmAnchorage

Jun 16

ANC5:27 pmAnchorage

17h 53m

2 stops

LHR8:20 pmLondon Heathrow

$998

Icelandair

Jun 27

LHR9:25 pmLondon Heathrow

33h 32m

2 stops

ANC9:57 pmAnchorage

Jul 28

ANC5:27 pmAnchorage

17h 53m

2 stops

LHR8:20 pmLondon Heathrow

$1,095

Icelandair

Jun 27

LHR9:25 pmLondon Heathrow

33h 32m

2 stops

ANC9:57 pmAnchorage

Jul 29

ANC5:27 pmAnchorage

33h 28m

2 stops

LHR11:55 amLondon Heathrow

$1,097

Virgin Atlantic flights from London Heathrow Airport to Alaska

Our best Virgin Atlantic deals on London Heathrow Airport to Alaska flight tickets

Virgin Atlantic

Mar 19

LHR2:30 pmLondon Heathrow

17h 42m

1 stop

FAI12:12 amFairbanks

Mar 25

FAI1:30 amFairbanks

25h 00m

1 stop

LHR10:30 amLondon Heathrow

$1,523

Virgin Atlantic

Mar 19

LHR11:05 amLondon Heathrow

21h 07m

2 stops

FAI12:12 amFairbanks

Mar 25

FAI1:30 amFairbanks

22h 20m

2 stops

LHR7:50 amLondon Heathrow

$1,524

Virgin Atlantic

Mar 19

LHR2:30 pmLondon Heathrow

17h 42m

1 stop

FAI12:12 amFairbanks

Mar 25

FAI1:30 amFairbanks

22h 20m

2 stops

LHR7:50 amLondon Heathrow

$1,530

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

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Tue 3/3

12:15 pm-1:09 am

2 stops21h 54m

Anchorage

Tue 3/10

6:00 am-10:50 am

2 stops20h 50m

$731

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Mon 3/9

9:00 am-12:55 am

2 stops23h 55m

Anchorage

Mon 3/16

12:53 am-1:30 pm

1 stop28h 37m

$788

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Mon 3/9

9:00 am-12:55 am

2 stops23h 55m

Anchorage

Tue 3/17

6:55 am-1:30 pm

2 stops22h 35m

$792

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Mon 3/9

12:30 pm-12:55 am

1 stop20h 25m

Anchorage

Mon 3/16

12:53 am-2:00 pm

1 stop29h 07m

$807

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Tue 3/3

6:30 am-12:55 am

2 stops27h 25m

Anchorage

Tue 3/10

6:55 am-1:30 pm

2 stops22h 35m

$819

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Thu 3/19

2:30 pm-12:12 am

1 stop17h 42m

Fairbanks

Wed 3/25

1:30 am-10:30 am

1 stop25h 00m

$1,523

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Thu 3/19

11:05 am-12:12 am

2 stops21h 07m

Fairbanks

Wed 3/25

1:30 am-7:50 am

2 stops22h 20m

$1,524

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Thu 3/19

2:30 pm-12:12 am

1 stop17h 42m

Fairbanks

Wed 3/25

1:30 am-7:50 am

2 stops22h 20m

$1,530

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Thu 2/19

2:55 pm-10:15 pm

1 stop16h 20m

Fairbanks

Mon 2/23

11:30 am-12:20 pm

1 stop15h 50m

$3,597

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Thu 2/19

2:55 pm-10:15 pm

1 stop16h 20m

Fairbanks

Mon 2/23

11:30 am-12:20 pm

1 stop15h 50m

$3,764

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 October, then you should wait until September to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of $1,078.

How far in advance should I book a flight to Alaska?

You are more likely to see cheaper flights to Alaska from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Alaska for around $1,441 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Alaska from London Heathrow Airport for as low as $1,101 on momondo.

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	16h 20m
Direct flights	None

The fastest flight from London Heathrow Airport to Alaska takes 16h 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

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.