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Cheap flights from Alaska to London Heathrow Airport from £246

ANC — LHR
19 Nov — 26 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Alaska to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Alaska to Heathrow

Sun 22/1106:06 -
2 stops29h 04m
Tue 8/1206:20 -
2 stops26h 08m
Deal found 18/10£694
Sun 29/1101:15 -
1 stop24h 25m
Wed 9/1206:30 -
2 stops25h 58m
Deal found 16/10£702
Tue 17/1123:59 -
2 stops20h 56m
Tue 24/1106:35 -
2 stops22h 04m
Deal found 18/10£703
Sun 29/1101:15 -
2 stops21h 30m
Thu 17/1206:30 -
2 stops25h 58m
Deal found 16/10£705
Tue 17/1101:15 -
2 stops23h 10m
Wed 25/1106:30 -
2 stops25h 54m
Deal found 19/10£706
Sun 22/1114:21 -
1 stop35h 19m
Tue 8/1208:40 -
2 stops21h 13m
Deal found 19/10£706
Sun 22/1120:43 -
2 stops26h 47m
Tue 8/1211:35 -
1 stop20h 24m
Deal found 19/10£709
Sat 28/1116:04 -
1 stop33h 36m
Tue 8/1206:30 -
2 stops25h 58m
Deal found 16/10£715
Sun 22/1120:43 -
1 stop26h 12m
Tue 8/1210:25 -
1 stop18h 14m
Deal found 19/10£720
Tue 1/1212:24 -
1 stop14h 56m
Thu 10/1214:45 -
1 stop16h 32m
Deal found 16/10£724

Find flight deals from Alaska to Heathrow

Round-trip from

£655

One-way from

£246

Popular in

June

Cheapest in

November

Average price

£715
KLM
  • KLM
  • 3/2-9/2
  • 3 total stops
  • 43h 13m total
  • Alaska to London
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United Airlines
  • United Airlines
  • 6/2-31/12
  • 2 total stops
  • 29h 19m total
  • Alaska to London
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£119 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£21 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2026
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Cheapflights Fare Finder

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

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Route

Depart

Return

Price

Cheapest return flight

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Sat 6/2

20:31-07:55

1 stop26h 24m

London Heathrow

Wed 31/12

00:00-13:00

Nonstop0h 00m

£246
Fastest return journey

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Tue 23/3

09:00-12:20

1 stop19h 20m

London Heathrow

Wed 31/12

00:00-13:00

Nonstop0h 00m

£246

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Tue 23/3

20:40-10:50

2 stops30h 10m

London Heathrow

Wed 31/12

00:00-13:00

Nonstop0h 00m

£246

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Sat 31/10

14:39-12:20

1 stop37h 41m

London Heathrow

Wed 31/12

00:00-13:00

Nonstop0h 00m

£429

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Tue 23/3

09:00-20:05

3 stops27h 05m

London Heathrow

Wed 31/12

00:00-13:00

Nonstop0h 00m

£441

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Wed 3/2

06:00-10:40

1 stop19h 40m

London Heathrow

Tue 9/2

06:30-21:03

2 stops23h 33m

£655

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Tue 2/2

01:30-10:40

1 stop24h 10m

London Heathrow

Tue 9/2

06:30-16:18

2 stops18h 48m

£655

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Wed 7/4

06:00-15:35

1 stop24h 35m

London Heathrow

Wed 21/4

11:45-01:45

2 stops23h 00m

£658

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Mon 1/2

06:00-13:45

2 stops22h 45m

London Heathrow

Fri 5/2

06:30-21:03

2 stops23h 33m

£658

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Sun 31/1

02:58-12:20

1 stop24h 22m

London Heathrow

Fri 5/2

14:45-22:22

1 stop16h 37m

£659

Flights are sorted by cheapest return flights first.

Deals found on 19/10

Showing 1-10 of 17 resultsSorted by cheapest first
1
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Best time to book a flight from Alaska to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Alaska with our price prediction graph.
Estimated return price

Cheapflights Insights

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

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

Currently, November is the cheapest month in which you can book a flight from Alaska to London Heathrow Airport (average of £592). Flying from Alaska to London Heathrow Airport in December is currently the most expensive (average of £2,040). 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.

Related info for your journey

  • How long is the flight from Alaska to London Heathrow Airport?

    KLM, Delta, and Alaska Airlines can get you from Alaska to London Heathrow Airport in just under 19h 40m. Your travel time can differ by up to 4h 30m. Airlines will cover a distance of 4471 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    While some choose either Fairbanks - London Heathrow or Juneau Intl - London Heathrow, Anchorage - London Heathrow is the most popular route from Alaska to London Heathrow Airport.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Alaska to Heathrow 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 Heathrow Airport?

    Currently, November is the cheapest month in which you can book a flight from Alaska to London Heathrow Airport (average of £592). Flying from Alaska to London Heathrow Airport in December is currently the most expensive (average of £2,040). 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Milton Keynes
Luton
Slough
Gatwick
Wembley
Hayes
Ilford
Croydon
Colchester
Northampton
Eastbourne
Brentford
Southend-on-Sea
Barnet
Enfield
Southall
Watford
Stratford-upon-Avon
Kingston upon Thames

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Alaska to Heathrow

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Boston to London City flights
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Miami to Heathrow flights
Dulles Intl to Gatwick flights
Boston to Stansted flights
Dulles Intl to London City flights
Hobby to Heathrow flights
Los Angeles to Gatwick flights
San Francisco to Gatwick flights
LaGuardia to Stansted flights
Los Angeles to Stansted flights
San Francisco to Stansted flights
Los Angeles to London City flights
O'Hare Intl to Gatwick flights
Philadelphia to Heathrow flights
Boston to Luton flights
Denver to Heathrow flights
George Bush Intcntl to Heathrow flights
Reagan-National to Gatwick flights
O'Hare Intl to Stansted flights
San Francisco to London City flights
O'Hare Intl to London City flights
Baltimore to Gatwick flights
Dulles Intl to Luton flights
Austin to Heathrow flights
Orlando to Gatwick flights

Fly with Cheapflights

How does Cheapflights help users find flights from Alaska to Heathrow?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Alaska to Heathrow. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Alaska to Heathrow?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Alaska to Heathrow.

Can Cheapflights find flights from Alaska to Heathrow with no change fees?

Certainly. Search results for flights to Heathrow from Alaska shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Alaska to Heathrow become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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