When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 45 days in advance, which can save you up to 78% on flights from London to Alaska compared to booking the week you need them. Waiting 45 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £1,042. For sooner than that we have options available in the next 3 days from £1,312.
February is one of the best times of the year to fly to Alaska from London. Prices for February average £1,065 per person but you can even find prices for as low as £565. The most expensive prices can be found in the month of July. Opting for a February flight can save you 24% on your journey compared to booking in July
When flying from London to Alaska, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Fly from
Fly to
Budget
£703 - £1,119
Route
Depart
Return
Price
London HeathrowAnchorage
LHR - ANC
LHRANC
London Heathrow
Tue 17/9
2 stops36h 13m
Anchorage
Tue 24/9
2 stops22h 00m
London HeathrowAnchorage
LHR - ANC
LHRANC
London Heathrow
Tue 17/9
2 stops20h 33m
Anchorage
Fri 27/9
2 stops20h 55m
London HeathrowAnchorage
LHR - ANC
LHRANC
London Heathrow
Tue 17/9
1 stop15h 12m
Anchorage
Fri 27/9
1 stop15h 25m
London HeathrowFairbanks
LHR - FAI
LHRFAI
London Heathrow
Mon 15/4
2 stops48h 41m
Fairbanks
Sun 21/4
1 stop23h 20m
London HeathrowFairbanks
LHR - FAI
LHRFAI
London Heathrow
Mon 15/4
1 stop17h 26m
Fairbanks
Sun 21/4
1 stop23h 20m
London HeathrowFairbanks
LHR - FAI
LHRFAI
London Heathrow
Mon 15/4
2 stops20h 42m
Fairbanks
Mon 22/4
2 stops21h 30m
London HeathrowAnchorage
LHR - ANC
LHRANC
London Heathrow
Tue 16/4
2 stops22h 08m
Anchorage
Sat 27/4
1 stop24h 15m
London HeathrowAnchorage
LHR - ANC
LHRANC
London Heathrow
Tue 17/9
1 stop34h 33m
Anchorage
Tue 24/9
1 stop35h 45m
London CityFairbanks
LCY - FAI
LCYFAI
London City
Mon 15/4
2 stops27h 17m
Fairbanks
Sun 21/4
2 stops30h 48m
No data available for this route at this time. Please check back soon.
Comfort
Overall
Entertainment
Food
Boarding
Crew
Reviews
It was a good experience other than a short delay.
Comfort
Overall
Entertainment
Food
Boarding
Crew
Reviews
It was a good experience other than a short delay.
Comfort
Overall
Entertainment
Food
Boarding
Crew
Reviews
It was a good experience other than a short delay.
Comfort
Overall
Entertainment
Food
Boarding
Crew
Reviews
It was a good experience other than a short delay.
Comfort
Overall
Entertainment
Food
Boarding
Crew
Reviews
It was a good experience other than a short delay.
Comfort
Overall
Entertainment
Food
Boarding
Crew
Reviews
It was a good experience other than a short delay.
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from London to Alaska. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
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Yes, you can often find last-minute deals on London to Alaska flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.
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Cancellation policies vary by airline and fare type. After entering your flight details, you can view the cancellation policies for each deal in the search results. Some deals may offer flexibility in terms of cancellation and changes.