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 Delta ($506), KLM ($574), and Icelandair ($678).

What are the most popular routes from Alaska to London?

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

What are the most popular airlines that fly from Alaska to London?

The most popular airlines flying from Alaska to London are British Airways, Delta and United Airlines. Something to consider prior to booking your flight.

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

Users have found that booking a flight from Alaska to London at least 49 days early can save you up to 184% on average compared to booking a flight this week. If booking 49 days before your flight isn’t an option for you, users have found flights from Alaska to London for as little as $1,431 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $1,882 for flights departing within the next 3 days.

What is the cheapest month to fly from Alaska to London?

October can be a great time to fly to London from Alaska with a flight ticket averaging about $1,044. Cheapflights users have found deals in the month of October for as cheap as $676. The most expensive prices can be found in the month of June.

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.

$499+ Flights from Alaska to London - Compare & Save Big

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Cheap flight deals from Alaska to London

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$715 (Scandinavian Airlines)
One-way from	$499 (Mytrip)
Popular in	June
Cheapest in	October
Average price	$931

Provider with most accurate pricing for Anchorage-London (LON) flight deals.

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Provider most trusted by Cheapflights users for Anchorage-London (LON) flights.

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From Alaska to London (LON)

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One-way flight from Alaska to London (LON)

Search Deals

Highest demand for flights based on searches. 19% potential increase in price ($244 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($31 potential savings vs. average RT price).

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Average for round-trip flights in April 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 April 30, 2025.

Wed 10/16:00 amANC - LHR

2 stops42h 20mScandinavian Airlines

Tue 10/2110:20 amLHR - ANC

2 stops48h 25mScandinavian Airlines

Deal found 4/29

$715

Wed 10/16:10 amANC - LHR

1 stop22h 00mDelta

Fri 10/176:15 amLHR - ANC

2 stops19h 07mDelta

Deal found 4/29

$898

Sun 9/218:49 pmANC - LHR

1 stop24h 31mUnited Airlines

Tue 9/306:30 amLHR - ANC

2 stops18h 21mUnited Airlines

Deal found 4/29

$950

Sun 11/98:00 amANC - LGW

2 stops17h 55mIcelandair

Thu 11/2011:55 amLGW - ANC

2 stops19h 32mIcelandair

Deal found 4/29

$959

Mon 9/111:23 pmFAI - LHR

1 stop25h 17mUnited Airlines

Tue 9/167:25 amLHR - FAI

2 stops21h 04mUnited Airlines

Deal found 4/28

$973

Sun 8/311:30 amFAI - LHR

1 stop24h 50mDelta

Tue 9/166:30 amLHR - FAI

2 stops23h 42mDelta

Deal found 4/28

$974

Sun 11/96:00 amANC - LHR

2 stops19h 35mMultiple Airlines

Fri 11/216:30 amLHR - ANC

2 stops18h 52mMultiple Airlines

Deal found 4/29

$977

Sun 9/216:00 amANC - LHR

1 stop23h 15mKLM

Tue 9/3012:25 pmLHR - ANC

1 stop21h 35mKLM

Deal found 4/29

$986

Mon 10/68:57 pmANC - LHR

2 stops24h 38mAir Canada

Tue 10/213:50 pmLHR - ANC

2 stops36h 58mAir Canada

Deal found 4/29

$988

Sun 11/98:00 amANC - LHR

2 stops17h 50mIcelandair

Thu 11/208:40 pmLHR - ANC

2 stops34h 47mIcelandair

Deal found 4/29

$997

Tue 9/96:10 amANC - LCY

2 stops17h 00mKLM

Wed 9/179:20 amLCY - ANC

2 stops19h 29mKLM

Deal found 4/29

$1,021

Thu 6/125:15 pmANC - LCY

1 stop16h 20mMultiple Airlines

Thu 6/268:45 amLCY - ANC

1 stop15h 25mMultiple Airlines

Deal found 4/29

$1,057

Best flights from Alaska to London
Discover carefully curated flight deals from Alaska to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 30, 2025.

Wed 10/16:00 amANC - LHR

2 stops42h 20mScandinavian Airlines

Tue 10/2110:20 amLHR - ANC

2 stops48h 25mScandinavian Airlines

Deal found 4/29

$715

Wed 10/16:10 amANC - LHR

1 stop22h 00mDelta

Fri 10/176:15 amLHR - ANC

2 stops19h 07mDelta

Deal found 4/29

$898

Sun 9/218:49 pmANC - LHR

1 stop24h 31mUnited Airlines

Tue 9/306:30 amLHR - ANC

2 stops18h 21mUnited Airlines

Deal found 4/29

$950

Sun 9/219:40 amANC - LGW

2 stops20h 00mIcelandair

Tue 9/303:40 pmLGW - ANC

2 stops19h 03mIcelandair

Deal found 4/29

$983

Sun 9/216:00 amANC - LHR

1 stop23h 15mKLM

Tue 9/3012:25 pmLHR - ANC

1 stop21h 35mKLM

Deal found 4/29

$986

Mon 10/68:57 pmANC - LHR

2 stops24h 38mAir Canada

Tue 10/213:50 pmLHR - ANC

2 stops36h 58mAir Canada

Deal found 4/29

$988

Thu 6/125:15 pmANC - LHR

1 stop19h 55mMultiple Airlines

Thu 6/199:30 amLHR - ANC

1 stop14h 40mMultiple Airlines

Deal found 4/28

$1,018

Sun 8/35:52 amFAI - LHR

1 stop15h 58mBritish Airways

Sat 8/169:50 amLHR - FAI

1 stop21h 46mBritish Airways

Deal found 4/28

$1,354

Thu 8/1412:29 amANC - LHR

1 stop21h 21mAlaska Airlines

Sun 8/3110:45 amLHR - ANC

1 stop19h 36mAlaska Airlines

Deal found 4/29

$1,654

Sun 6/226:09 amANC - LHR

1 stop19h 41mFinnair

Sun 7/68:20 amLHR - ANC

1 stop23h 38mFinnair

Deal found 4/29

$1,684

Mon 9/111:23 pmFAI - LHR

1 stop25h 17mUnited Airlines

Tue 9/167:25 amLHR - FAI

2 stops21h 04mUnited Airlines

Deal found 4/28

$973

Sun 8/311:30 amFAI - LHR

1 stop24h 50mDelta

Tue 9/166:30 amLHR - FAI

2 stops23h 42mDelta

Deal found 4/28

$974

Last-minute flights from Alaska to London
Discover last-minute flight deals from Alaska to London. Data last updated April 30, 2025 and is based on user searches.

Fri 5/21:26 amANC - LHR

2 stops24h 19mKLM

Mon 5/58:40 amLHR - ANC

2 stops19h 26mKLM

Deal found 4/29

$1,962

Sat 5/310:00 amANC - LGW

2 stops16h 45mIcelandair

Mon 5/53:40 pmLGW - ANC

2 stops39h 52mIcelandair

Deal found 4/29

$1,612

Sat 5/312:20 pmANC - LHR

2 stops23h 00mIcelandair

Mon 5/59:25 pmLHR - ANC

2 stops37h 03mIcelandair

Deal found 4/29

$1,616

Sat 5/38:30 pmANC - LHR

1 stop24h 55mBritish Airways

Mon 5/57:25 pmLHR - ANC

2 stops34h 22mBritish Airways

Deal found 4/29

$1,769

Sat 5/3112:18 amANC - LHR

1 stop22h 42mMultiple Airlines

Sat 7/268:20 amLHR - ANC

1 stop19h 44mMultiple Airlines

Deal found 4/29

$1,896

Sat 5/3112:25 amANC - LHR

2 stops21h 50mDelta

Sat 7/2610:55 amLHR - ANC

2 stops23h 24mDelta

Deal found 4/29

$2,576

Sat 5/311:40 amANC - LHR

1 stop26h 20mAlaska Airlines

Sat 7/262:25 pmLHR - ANC

1 stop23h 12mAlaska Airlines

Deal found 4/29

$4,701

One-way flights from Alaska to London
Search for one-way flight options from Alaska to London. Find affordable one-way fares based on user searches. Data last updated April 30, 2025.

Sun 6/14:40 pmANC - LGW

3 stops31h 45mMultiple Airlines

Deal found 4/29

$499

Mon 9/86:10 amANC - LHR

1 stop22h 00mDelta

Deal found 4/29

$506

Sun 6/14:40 pmANC - LHR

2 stops34h 10mMultiple Airlines

Deal found 4/29

$540

Sun 9/712:40 amANC - LHR

1 stop28h 35mKLM

Deal found 4/29

$574

Thu 5/85:25 pmANC - STN

3 stops53h 25mMultiple Airlines

Deal found 4/29

$662

Wed 5/1410:00 amANC - LHR

2 stops25h 20mIcelandair

Deal found 4/29

$678

Thu 5/811:59 pmANC - LHR

3 stops21h 31mAir Canada

Deal found 4/29

$731

Thu 5/86:00 amANC - LCY

2 stops17h 10mKLM

Deal found 4/29

$765

Mon 9/89:40 amANC - LGW

2 stops19h 55mIcelandair

Deal found 4/29

$789

Wed 9/173:05 pmANC - LGW

2 stops17h 50mSWISS

Deal found 4/29

$843

Fri 6/276:00 amANC - LHR

2 stops25h 00mScandinavian Airlines

Deal found 4/29

$884

Tue 5/131:31 amANC - LHR

1 stop20h 19mAmerican Airlines

Deal found 4/29

$895

Cheapflights Fare Finder

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

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Wed 10/1

6:00 am-9:20 am

2 stops42h 20m

London Heathrow

Tue 10/21

10:20 am-1:45 am

2 stops48h 25m

$715

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Wed 10/1

6:00 am-2:15 pm

1 stop23h 15m

London Heathrow

Wed 10/15

6:15 am-4:22 pm

2 stops19h 07m

$898

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sun 9/21

8:49 pm-6:20 am

1 stop24h 31m

London Heathrow

Tue 9/30

6:30 am-3:51 pm

2 stops18h 21m

$950

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Mon 9/1

11:23 pm-9:40 am

1 stop25h 17m

London Heathrow

Tue 9/16

7:25 am-7:29 pm

2 stops21h 04m

$973

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Sun 8/31

1:30 am-11:20 am

1 stop24h 50m

London Heathrow

Tue 9/16

6:30 am-9:12 pm

2 stops23h 42m

$974

AnchorageLondon

ANC - LGW

ANCLGW

Anchorage

Sun 9/21

9:40 am-2:40 pm

2 stops20h 00m

London Gatwick

Tue 9/30

3:40 pm-1:43 am

2 stops19h 03m

$983

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sun 9/21

6:00 am-2:15 pm

1 stop23h 15m

London Heathrow

Tue 9/30

12:25 pm-1:00 am

1 stop21h 35m

$986

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 10/6

8:57 pm-6:35 am

2 stops24h 38m

London Heathrow

Tue 10/21

3:50 pm-7:48 pm

2 stops36h 58m

$988

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Thu 6/12

5:15 pm-10:10 pm

1 stop19h 55m

London Heathrow

Thu 6/19

9:30 am-3:10 pm

1 stop14h 40m

$1,018

AnchorageLondon

ANC - LCY

ANCLCY

Anchorage

Tue 9/9

6:10 am-8:10 am

2 stops17h 00m

London City

Wed 9/17

9:20 am-7:49 pm

2 stops19h 29m

$1,021

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 36 results

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 $1,110). 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?

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.

Rainfall in London by month

In terms of precipitation, rainfall in London ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London when rainfall is around 1.6 in.

Temperature in London by month

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing London

Read through reviews of airlines operating flights from Alaska to London, such as Alaska Airlines, Delta and KLM. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,961 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Alaska Airlines

8.0

Very good

9,961 reviews

Alaska Airlines

8.0

Very good

9,961 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Delta

8.0

Very good

7,936 reviews

Alaska Airlines

8.0

Very good

9,961 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

KLM

7.8

Good

1,333 reviews

Alaska Airlines

8.0

Very good

9,961 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Finnair

7.6

Good

1,273 reviews

Alaska Airlines

8.0

Very good

9,961 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

SWISS

7.5

Good

1,588 reviews

Alaska Airlines

8.0

Very good

9,961 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

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 Delta ($506), KLM ($574), and Icelandair ($678).
What are the most popular routes from Alaska to London?
When deciding which route to take from Alaska to London consider Anchorage - London Gatwick, Anchorage - London Heathrow or Anchorage - London City 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 $1,110). 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

Hayes

Hounslow

Thornton Heath

Luton

Horley

Canterbury

Harrow

Wembley

Dover

Gatwick

Orpington

Watford

Croydon

Borehamwood

Folkestone

Ilford

Aylesbury

Sutton

Chelmsford

Brentwood

Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from Alaska to London

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$652	Average$1,345	FlexibilityNo cancel fee	On-timeN/A
Virgin Atlantic	Cheapest$715	Average$1,163	FlexibilityNo cancel fee	On-time72%
United Airlines	Cheapest$749	Average$1,186	FlexibilityNo cancel fee	On-time69%
British Airways	Cheapest$812	Average$1,176	FlexibilityNo cancel fee	On-time70%

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$499+ 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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Alaska to London with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 April 30, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Alaska to London

Cheapest flights from Alaska to LondonExplore 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 April 30, 2025.

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 April 30, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Alaska to London that are best for you.

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.

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?

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 April 30, 2025.

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

Reviews of airlines servicing London

Read through reviews of airlines operating flights from Alaska to London, such as Alaska Airlines, Delta and KLM. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

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?

What are the most popular routes from Alaska to London?

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

How can I find direct flights from Alaska to London?

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

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

Traveling to a place near Alaska?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Alaska to London

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Alaska to London

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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 April 30, 2025.