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$373+ Cheap flights from Alaska to London (LON)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — LON
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheap flight deals from Alaska to London

Keep the following information in mind while searching for Alaska to London flight deals. Data was last updated July 31, 2025.

Round-trip from

$699
(SmartFares)

One-way from

$373
(Kiwi.com)

Popular in

August

Cheapest in

October

Average price

$1,363
From Alaska to London (LON)
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One-way flight from Alaska to London (LON)
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Highest demand for flights based on searches. 12% potential increase in price ($157 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Alaska to London

Cheapest flights from Alaska to London
Explore the most affordable flight options available from Alaska to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

This SmartFares deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/111:08 pmANC - LHR
1 stop15h 02mVirgin Atlantic
Wed 8/2712:45 pmLHR - ANC
1 stop17h 35mVirgin Atlantic
Deal found 7/29$699
This United Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/110:34 pmANC - LHR
1 stop28h 01mUnited Airlines
Tue 9/166:30 amLHR - ANC
2 stops18h 26mUnited Airlines
Deal found 7/31$725
This United deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1111:59 pmANC - LHR
2 stops25h 41mMultiple Airlines
Wed 8/276:55 amLHR - ANC
2 stops14h 55mMultiple Airlines
Deal found 7/29$728
This Delta deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1012:42 amANC - LHR
1 stop24h 08mDelta
Wed 8/276:15 amLHR - ANC
2 stops23h 02mDelta
Deal found 7/29$729
This Gurufare deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/16:10 amANC - LHR
1 stop17h 50mBritish Airways
Tue 9/1612:15 pmLHR - ANC
1 stop17h 33mBritish Airways
Deal found 7/31$741
This KLM deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2610:59 amANC - LHR
1 stop18h 16mKLM
Tue 9/210:55 amLHR - ANC
1 stop21h 32mKLM
Deal found 7/31$747
This Delta deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/281:53 amFAI - LHR
1 stop25h 07mDelta
Sun 11/212:20 pmLHR - FAI
1 stop21h 30mDelta
Deal found 7/30$799
This United Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/138:53 pmFAI - LHR
1 stop24h 27mUnited Airlines
Sat 9/2011:05 amLHR - FAI
2 stops41h 43mUnited Airlines
Deal found 7/30$802
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/131:15 amANC - LGW
2 stops24h 40mMultiple Airlines
Sun 9/2110:55 amLGW - ANC
1 stop22h 39mMultiple Airlines
Deal found 7/31$851
This KLM deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/91:53 amFAI - LHR
2 stops19h 52mMultiple Airlines
Sat 10/185:25 pmLHR - FAI
1 stop16h 28mMultiple Airlines
Deal found 7/28$855
This United Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/268:49 pmANC - LCY
2 stops30h 41mMultiple Airlines
Tue 9/29:25 amLCY - ANC
2 stops22h 26mMultiple Airlines
Deal found 7/31$873
This oojo deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2011:16 amANC - LGW
2 stops18h 19mIcelandair
Mon 10/272:40 pmLGW - ANC
2 stops40h 08mIcelandair
Deal found 7/31$896

Cheapflights Fare Finder

 
Customize 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, Cheapflights users made 2,558,603 searches. Data last updated July 31, 2025.
Use the filters below to find and compare flights from Alaska to London that are best for you.

Fly from

Alaska

Fly to

London

Route

Depart

Return

Price

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 8/11

1:08 pm-1:10 pm

1 stop15h 02m

London Heathrow

Wed 8/27

12:45 pm-9:20 pm

1 stop17h 35m

$699

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 9/1

10:34 pm-11:35 am

1 stop28h 01m

London Heathrow

Tue 9/16

6:30 am-3:56 pm

2 stops18h 26m

$725

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 8/11

11:59 pm-10:40 am

2 stops25h 41m

London Heathrow

Wed 8/27

6:55 am-12:50 pm

2 stops14h 55m

$728

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sun 8/10

12:42 am-9:50 am

1 stop24h 08m

London Heathrow

Wed 8/27

6:15 am-8:17 pm

2 stops23h 02m

$729

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 9/1

6:10 am-9:00 am

1 stop17h 50m

London Heathrow

Tue 9/16

12:15 pm-8:48 pm

1 stop17h 33m

$741

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 8/26

10:59 am-2:15 pm

1 stop18h 16m

London Heathrow

Tue 9/2

10:55 am-11:27 pm

1 stop21h 32m

$747

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Tue 10/28

1:53 am-11:00 am

1 stop25h 07m

London Heathrow

Sun 11/2

12:20 pm-12:50 am

1 stop21h 30m

$799

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Sat 9/13

8:53 pm-6:20 am

1 stop24h 27m

London Heathrow

Sat 9/20

11:05 am-7:48 pm

2 stops41h 43m

$802

AnchorageLondon

ANC - LGW

ANCLGW

Anchorage

Sat 9/13

1:15 am-10:55 am

2 stops24h 40m

London Gatwick

Sun 9/21

10:55 am-12:34 am

1 stop22h 39m

$851

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Thu 10/9

1:53 am-6:45 am

2 stops19h 52m

London Heathrow

Sat 10/18

5:25 pm-12:53 am

1 stop16h 28m

$854

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 53 results
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Best time to book a flight from Alaska to London

Have a flexible travel schedule? Discover the best time to fly to London from Alaska with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Alaska to London

What is the cheapest month to book a flight from Alaska to London?

Currently, November is the cheapest month in which you can book a flight from Alaska to London (average of $661). Flying from Alaska to London in June is currently the most expensive (average of $1,097). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from AK to LON?

Find hourly flight availability from Alaska to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Alaska to London as you normally would.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated July 31, 2025.
Read through reviews of airlines operating flights from Alaska to London, such as Delta, Alaska Airlines, and KLM. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Alaska Airlines
8.0
Very good
10,000 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,383 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,686 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,900 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Alaska to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Alaska to London one-way?

    The cheapest airlines for a one-way flight from Alaska to London are Scandinavian Airlines ($453), United Airlines ($462), and Air Canada ($463).

  • What are the most popular routes from Alaska to London?

    When deciding which route to take from Alaska to London consider Anchorage - London Heathrow, Anchorage - London Gatwick or Fairbanks - London Heathrow as they are the most popular.

  • Can I find deals for flights from Alaska to London that include hotel bookings?

    Yes. In addition to deals on Alaska to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Alaska to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Alaska to London.

  • Can I find deals for business class flights from Alaska to London?

    Yes. Cheapflights offers flight deals from Alaska to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Alaska to London?

    Currently, November is the cheapest month in which you can book a flight from Alaska to London (average of $661). Flying from Alaska to London in June is currently the most expensive (average of $1,097). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Harrow
Canterbury
Dover
Orpington
Watford
Gatwick
Borehamwood
Dartford
Aylesbury
Chelmsford
Folkestone
Southend-on-Sea
Chichester
Arundel
Milton Keynes
Bishop's Stortford
Eastbourne

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Alternative routes for Alaska to London

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Alaska to London

Discover the top 3 airlines that operate flights from Alaska to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$652Average$1,381FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$689Average$1,311FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$766Average$1,211FlexibilityNo cancel feeOn-time70%

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