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Cheap flights from Alaska to London from £248

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Alaska to London departing on 1/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from Alaska to London

Cheap return flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
06:00 - 16:00
ANC
-
LHR
25h 00m
2 stops
Scandinavian Airlines Logo
06:40 - 01:45
LHR
-
ANC
28h 05m
3 stops
£651Scandinavian Airlines
Sun, 4 Oct - Sun, 11 Oct
Scandinavian Airlines Logo
06:00 - 17:40
ANC
-
LHR
26h 40m
2 stops
Scandinavian Airlines Logo
06:40 - 22:36
LHR
-
ANC
24h 56m
3 stops
£652Scandinavian Airlines
Sun, 4 Oct - Sun, 11 Oct
British Airways Logo
07:00 - 14:25
ANC
-
LHR
22h 25m
1 stop
British Airways Logo
19:25 - 20:29
LHR
-
ANC
34h 04m
2 stops
£659British Airways
Tue, 8 Sep - Tue, 15 Sep
Alaska Airlines Logo
14:37 - 15:05
ANC
-
LHR
15h 28m
1 stop
Alaska Airlines Logo
17:00 - 23:39
LHR
-
ANC
15h 39m
1 stop
£660Alaska Airlines
Wed, 7 Oct - Thu, 15 Oct
Alaska Airlines Logo
06:05 - 15:05
ANC
-
LHR
24h 00m
1 stop
Alaska Airlines Logo
17:00 - 01:36
LHR
-
ANC
17h 36m
1 stop
£661Alaska Airlines
Tue, 8 Sep - Tue, 15 Sep
British Airways Logo
22:03 - 09:05
ANC
-
LHR
26h 02m
1 stop
British Airways Logo
11:10 - 20:29
LHR
-
ANC
18h 19m
1 stop
£666British Airways
Tue, 15 Sep - Tue, 22 Sep
Delta Logo
14:42 - 15:35
FAI
-
LHR
15h 53m
1 stop
Delta Logo
08:55 - 00:06
LHR
-
FAI
24h 11m
2 stops
£703Delta
Mon, 24 Aug - Tue, 8 Sep
Delta Logo
01:39 - 07:10
FAI
-
LHR
20h 31m
2 stops
Delta Logo
08:55 - 00:06
LHR
-
FAI
24h 11m
2 stops
£706Delta
Sun, 23 Aug - Tue, 8 Sep
United Airlines Logo
01:15 - 12:25
FAI
-
LHR
26h 10m
1 stop
United Airlines Logo
11:25 - 22:49
LHR
-
FAI
20h 24m
1 stop
£714United Airlines
Sun, 23 Aug - Tue, 8 Sep
United Airlines Logo
20:27 - 06:45
FAI
-
LHR
25h 18m
1 stop
United Airlines Logo
11:25 - 22:49
LHR
-
FAI
20h 24m
1 stop
£714United Airlines
Mon, 24 Aug - Tue, 8 Sep

Delta flights from Alaska to London

Our best Delta deals on Alaska to London flight tickets
Delta
7 Oct
ANC11:30Anchorage
19h 05m
1 stop
LHR15:35London Heathrow
16 Oct
LHR11:45London Heathrow
22h 50m
2 stops
ANC01:35Anchorage
£696
Delta
6 Oct
ANC01:30Anchorage
22h 45m
2 stops
LHR09:15London Heathrow
16 Oct
LHR08:40London Heathrow
22h 56m
2 stops
ANC22:36Anchorage
£699
Delta
24 Aug
FAI14:42Fairbanks
15h 53m
1 stop
LHR15:35London Heathrow
8 Sept
LHR08:55London Heathrow
24h 11m
2 stops
FAI00:06Fairbanks
£703

United Airlines flights from Alaska to London

Our best United Airlines deals on Alaska to London flight tickets
United Airlines
13 Oct
ANC20:55Anchorage
28h 05m
2 stops
LHR10:00London Heathrow
22 Oct
LHR06:55London Heathrow
21h 50m
2 stops
ANC19:45Anchorage
£694
United Airlines
13 Oct
ANC20:55Anchorage
24h 35m
2 stops
LHR06:30London Heathrow
22 Oct
LHR07:25London Heathrow
21h 20m
2 stops
ANC19:45Anchorage
£695
United Airlines
23 Aug
FAI01:15Fairbanks
26h 10m
1 stop
LHR12:25London Heathrow
8 Sept
LHR11:25London Heathrow
20h 24m
1 stop
FAI22:49Fairbanks
£714

momondo Fare Finder

 
Customise your flight search to find flights from Alaska to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 10 May 2026.
Use the filters below to find and compare flights from Alaska to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sun 4/10

06:00-16:00

2 stops25h 00m

London Heathrow

Sun 11/10

06:40-01:45

3 stops28h 05m

£651

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sun 4/10

06:00-17:40

2 stops26h 40m

London Heathrow

Sun 11/10

06:40-22:36

3 stops24h 56m

£652

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 8/9

07:00-14:25

1 stop22h 25m

London Heathrow

Tue 15/9

19:25-20:29

2 stops34h 04m

£659
Fastest return journey

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Wed 7/10

14:37-15:05

1 stop15h 28m

London Heathrow

Thu 15/10

17:00-23:39

1 stop15h 39m

£660

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 8/9

06:05-15:05

1 stop24h 00m

London Heathrow

Tue 15/9

17:00-01:36

1 stop17h 36m

£661

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 15/9

22:03-09:05

1 stop26h 02m

London Heathrow

Tue 22/9

11:10-20:29

1 stop18h 19m

£666

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Mon 24/8

14:42-15:35

1 stop15h 53m

London Heathrow

Tue 8/9

08:55-00:06

2 stops24h 11m

£703

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Sun 23/8

01:39-07:10

2 stops20h 31m

London Heathrow

Tue 8/9

08:55-00:06

2 stops24h 11m

£706

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Sun 23/8

01:15-12:25

1 stop26h 10m

London Heathrow

Tue 8/9

11:25-22:49

1 stop20h 24m

£714

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Mon 24/8

20:27-06:45

1 stop25h 18m

London Heathrow

Tue 8/9

11:25-22:49

1 stop20h 24m

£714

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to London from

How to get the cheapest flight ticket from Alaska to London

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

What is the cheapest month to fly to London?

The cheapest month to fly to London from Alaska is in November. Flight prices, which tend to average around £437, are often lower during this time because this is during the off-season. The month of August is another great option to travel to London, with average flight prices from Alaska averaging around £501.

Cheap Alaska to London flight deals and tips

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

Fastest flight time

14h 50m

Direct flights

None
The fastest flight from Alaska to London takes 14h 50m
There are no direct flights from Alaska to London. There are no popular flight routes from Alaska to London.
Search flight deals

Frequently asked questions about flying from Alaska to London

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

    Prices for flights from Alaska to London refresh daily.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Alaska to London.

  • What documentation or ID do you need to fly to London?

    The required travel and health documents for your London 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 London. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Wembley
Slough
Maidstone
Ipswich
Southend-on-Sea
Canterbury
Ilford
Hayes
Guildford
Folkestone
Chelmsford
Dover
Chichester
Bedford
Harlow
Ramsgate

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Alaska.

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

Yes. All flights to London from Alaska on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Alaska.

I’m not ready to book a flight from Alaska to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Alaska to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport