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

Condor, Icelandair, and Delta are the most popular carriers operating from London to Alaska

Which airlines fly to Alaska?

Virgin Atlantic, Icelandair and Lufthansa are the top three most popular airlines that fly to Alaska from London according to our data. Virgin Atlantic is the first choice among our users, with 43% of people opting to fly with this airline when travelling to Alaska. Keep in mind that there are 5 different airlines that fly to Alaska on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from London to Alaska?

Prices for flights from London to Alaska are refreshed on a daily basis.

How many operators does momondo search for flights from London to Alaska?

As of March 2026, there are 5 operators available to choose from for flights from London to Alaska.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London 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.

£344 Cheap Flights from London to Alaska in 2026

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Find the cheapest flights from London to Alaska

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

06:00 - 00:35

LHR

ANC

27h 35m

2 stops

00:59 - 10:10

ANC

LHR

24h 11m

2 stops

£656Multiple Airlines

Sun, 3 May - Sat, 9 May

11:40 - 00:35

LHR

ANC

21h 55m

1 stop

00:59 - 15:25

ANC

LHR

29h 26m

2 stops

£679Multiple Airlines

Sun, 3 May - Sat, 9 May

15:40 - 11:11

LGW

ANC

28h 31m

2 stops

11:15 - 14:40

ANC

LGW

18h 25m

2 stops

£706Multiple Airlines

Mon, 4 May - Fri, 8 May

13:00 - 22:43

LGW

ANC

18h 43m

2 stops

13:22 - 14:40

ANC

LGW

40h 18m

2 stops

£747Icelandair

Thu, 30 Apr - Mon, 4 May

13:00 - 22:43

LGW

ANC

18h 43m

2 stops

13:22 - 14:40

ANC

LGW

16h 18m

2 stops

£774Icelandair

Thu, 30 Apr - Mon, 4 May

06:40 - 22:22

LHR

ANC

24h 42m

2 stops

06:00 - 17:40

ANC

LHR

26h 40m

2 stops

£797Scandinavian Airlines

Sat, 5 Sep - Sat, 19 Sep

06:40 - 01:35

LHR

ANC

27h 55m

3 stops

06:00 - 17:40

ANC

LHR

26h 40m

2 stops

£802Scandinavian Airlines

Sat, 5 Sep - Sat, 19 Sep

10:00 - 00:25

LCY

ANC

23h 25m

2 stops

06:00 - 09:30

ANC

LCY

18h 30m

2 stops

£1,214Delta

Mon, 13 Apr - Mon, 20 Apr

10:00 - 00:25

LCY

ANC

23h 25m

2 stops

06:00 - 09:30

ANC

LCY

18h 30m

2 stops

£1,235Delta

Mon, 13 Apr - Mon, 20 Apr

19:00 - 22:36

LCY

ANC

36h 36m

2 stops

20:20 - 18:25

ANC

LCY

37h 05m

2 stops

£1,314British Airways

Tue, 1 Sep - Fri, 11 Sep

Condor flights from London to Alaska

Our best Condor deals on London to Alaska flight tickets

Condor

15 May

LGW19:45London Gatwick

28h 05m

1 stop

ANC14:50Anchorage

17 Sept

ANC11:41Anchorage

22h 09m

2 stops

LGW18:50London Gatwick

£850

Condor

16 May

LGW10:20London Gatwick

13h 30m

1 stop

ANC14:50Anchorage

18 Sept

ANC10:14Anchorage

23h 36m

2 stops

LGW18:50London Gatwick

£904

Condor

13 Apr

LGW10:20London Gatwick

20h 15m

2 stops

ANC21:35Anchorage

20 Apr

ANC09:21Anchorage

24h 29m

2 stops

LGW18:50London Gatwick

£964

KLM flights from London to Alaska

Our best KLM deals on London to Alaska flight tickets

KLM

4 May

LCY10:00London City

23h 40m

2 stops

FAI00:40Fairbanks

10 May

FAI01:40Fairbanks

22h 50m

2 stops

LCY09:30London City

£1,220

KLM

20 Apr

LCY10:00London City

23h 40m

2 stops

FAI00:40Fairbanks

26 Apr

FAI01:45Fairbanks

29h 55m

2 stops

LCY16:40London City

£1,221

KLM

4 May

LCY10:20London City

19h 26m

2 stops

ANC20:46Anchorage

11 May

ANC06:00Anchorage

16h 55m

2 stops

LCY07:55London City

£1,236

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Sun 3/5

06:00-00:35

2 stops27h 35m

Anchorage

Sat 9/5

00:59-10:10

2 stops24h 11m

£656

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Sun 3/5

11:40-00:35

1 stop21h 55m

Anchorage

Sat 9/5

00:59-15:25

2 stops29h 26m

£679

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Mon 4/5

15:40-11:11

2 stops28h 31m

Anchorage

Fri 8/5

11:15-14:40

2 stops18h 25m

£706

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Thu 30/4

13:00-22:43

2 stops18h 43m

Anchorage

Mon 4/5

13:22-14:40

2 stops40h 18m

£747

Fastest return journey

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Thu 30/4

13:00-22:43

2 stops18h 43m

Anchorage

Mon 4/5

13:22-14:40

2 stops16h 18m

£774

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Sat 5/9

06:40-22:22

2 stops24h 42m

Anchorage

Sat 19/9

06:00-17:40

2 stops26h 40m

£797

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Sat 5/9

06:40-01:35

3 stops27h 55m

Anchorage

Sat 19/9

06:00-17:40

2 stops26h 40m

£802

LondonAnchorage

LCY - ANC

LCYANC

London City

Mon 13/4

10:00-00:25

2 stops23h 25m

Anchorage

Mon 20/4

06:00-09:30

2 stops18h 30m

£1,214

LondonAnchorage

LCY - ANC

LCYANC

London City

Mon 13/4

10:00-00:25

2 stops23h 25m

Anchorage

Mon 20/4

06:00-09:30

2 stops18h 30m

£1,235

LondonAnchorage

LCY - ANC

LCYANC

London City

Tue 1/9

19:00-22:36

2 stops36h 36m

Anchorage

Fri 11/9

20:20-18:25

2 stops37h 05m

£1,314

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from London 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?

The cheapest month to fly to Alaska from London is in October. Flight prices, which tend to average around £704, are often lower during this time because this is during the off-season. If you’re not able to fly to Alaska in October, then February is your next best option. Flight prices from London to Alaska during February average around £705.

Can stopping save me money on London to Alaska flights?

You could potentially save up to 14% on your flight if you consider stops on a London to Alaska flight.

Cheap London to Alaska flight deals and tips

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

Fastest flight time	18h 38m
Direct flights	None

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

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

Search flight deals

When did momondo last update prices for flights from London to Alaska?
Prices for flights from London to Alaska are refreshed on a daily basis.
How many operators does momondo search for flights from London to Alaska?
As of March 2026, there are 5 operators available to choose from for flights from London to Alaska.
How old do you have to be to fly from London to Alaska?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London 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.

Best airlines flying from London to Alaska

Compare and see reviews for airlines that fly from London to Alaska with momondo

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom £657	Free Cancellation	Rating 7.0 625 reviews	Search Icelandair flights
Scandinavian Airlines	PriceFrom £670	Free Cancellation	Rating 7.3 1,722 reviews	Search Scandinavian Airlines flights
British Airways	PriceFrom £779	Free Cancellation	Rating 6.7 7,812 reviews	Search British Airways flights
Lufthansa	PriceFrom £807	Free Cancellation	Rating 6.8 7,863 reviews	Search Lufthansa flights
Virgin Atlantic	PriceFrom £1,079	Free Cancellation	Rating 7.5 685 reviews	Search Virgin Atlantic flights

Why use momondo?

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

Finding the right flight to Alaska from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Alaska quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to Alaska from London which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between London and Alaska by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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.