Cheap flights from Alaska to London Heathrow Airport from £247

ANC — LHR
2 Dec — 9 Dec1
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 29/1123:59 -
1 stop24h 41m
Tue 15/1218:00 -
2 stops34h 39m
Deal found 1/11£724
Sun 29/1106:06 -
2 stops22h 39m
Tue 15/1209:50 -
2 stops22h 38m
Deal found 1/11£727
Thu 26/1121:00 -
1 stop25h 05m
Wed 9/1206:30 -
2 stops25h 58m
Deal found 29/10£744
Thu 26/1120:14 -
1 stop25h 36m
Wed 9/1216:55 -
1 stop28h 13m
Deal found 29/10£766
Wed 11/1106:06 -
1 stop19h 34m
Mon 16/1106:30 -
2 stops25h 54m
Deal found 2/11£781
Wed 11/1105:47 -
1 stop21h 23m
Mon 16/1113:35 -
1 stop19h 57m
Deal found 29/10£803
Mon 14/1222:05 -
1 stop24h 00m
Mon 21/1209:50 -
1 stop24h 09m
Deal found 1/11£813
Sun 13/1200:07 -
2 stops26h 53m
Mon 21/1207:50 -
2 stops25h 28m
Deal found 1/11£816
Mon 14/1207:15 -
2 stops19h 55m
Mon 21/1213:10 -
2 stops20h 24m
Deal found 30/10£3,490
Mon 14/1207:15 -
3 stops22h 55m
Mon 21/1214:35 -
2 stops26h 45m
Deal found 30/10£3,712

Find flight deals from Alaska to Heathrow

Round-trip from

£655

One-way from

£247

Popular in

June

Cheapest in

November

Average price

£595
Lufthansa
  • Lufthansa
  • 5/4-19/4
  • 4 total stops
  • 57h 01m total
  • Alaska to London
British Airways
  • British Airways
  • 6/4-31/12
  • 2 total stops
  • 30h 25m total
  • Alaska to London
Highest demand for flights based on searches. 15% potential increase in price (£110 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£21 potential savings vs. average return price).
Average for round-trip flights in November 2026

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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Fly to

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

£249

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Tue 23/2

01:30-08:05

2 stops21h 35m

London Heathrow

Wed 31/12

00:00-13:00

Nonstop0h 00m

£249
Fastest return journey

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Wed 24/2

09:10-09:40

1 stop15h 30m

London Heathrow

Wed 31/12

00:00-13:00

Nonstop0h 00m

£249

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Tue 6/4

20:44-06:30

3 stops24h 46m

London Heathrow

Wed 31/12

00:00-13:00

Nonstop0h 00m

£257

JuneauLondon

JNU Juneau Intl - LHR London Heathrow

JNULHR

Juneau Intl

Sat 6/3

09:20-12:20

3 stops42h 00m

London Heathrow

Wed 31/12

00:00-15:00

Nonstop0h 00m

£352

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Sat 7/11

23:59-09:40

1 stop24h 41m

London Heathrow

Wed 31/12

00:00-13:00

Nonstop0h 00m

£414

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Wed 3/2

06:05-13:45

2 stops22h 40m

London Heathrow

Tue 9/2

06:30-22:50

2 stops25h 20m

£665

JuneauLondon

JNU Juneau Intl - LHR London Heathrow

JNULHR

Juneau Intl

Mon 1/3

09:20-12:20

3 stops18h 00m

London Heathrow

Thu 4/3

14:45-21:30

2 stops15h 45m

£666

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Sun 31/1

02:33-12:20

1 stop24h 47m

London Heathrow

Fri 5/2

14:45-00:30

1 stop18h 45m

£668

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Wed 3/2

06:00-12:20

1 stop21h 20m

London Heathrow

Tue 9/2

14:45-22:27

1 stop16h 42m

£668

Flights are sorted by cheapest return flights first.

Deals found on 1/11

Showing 1-10 of 18 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 £589). Flying from Alaska to London Heathrow Airport in December is currently the most expensive (average of £2,793). 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?

    Delta, Alaska Airlines, and Icelandair can get you from Alaska to London Heathrow Airport in just under 18h. Your travel time can differ by up to 4h 40m. Airlines will cover a distance of 4418 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?

  • 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 £589). Flying from Alaska to London Heathrow Airport in December is currently the most expensive (average of £2,793). 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
Luton
Milton Keynes
Wembley
Gatwick
Slough
Ilford
Hayes
Croydon
Eastbourne
Northampton
Barnet
Brentford
Southend-on-Sea
Enfield
Southall
Harrow
Watford
Folkestone
Dagenham

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Alaska to Heathrow

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.

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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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