Cheap flights from Alaska to London from $328
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Alaska to London departing on 2/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Not ready to book? to track prices.Alaska Airlines flights from Alaska to London Heathrow Airport
Our best Alaska Airlines deals on Alaska to London Heathrow Airport flight tickets
KLM flights from Alaska to London Heathrow Airport
Our best KLM deals on Alaska to London Heathrow Airport flight tickets
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Use the filters below to find and compare flights from Alaska to London Heathrow Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
AnchorageLondon
ANC Anchorage - LHR London Heathrow
ANCLHR
Anchorage
Tue 3/2
12:40 pm-12:20 pm
1 stop14h 40m
London Heathrow
Wed 3/10
2:45 pm-12:10 am
1 stop18h 25m
AnchorageLondon
ANC Anchorage - LHR London Heathrow
ANCLHR
Anchorage
Mon 1/11
8:00 am-12:20 pm
1 stop19h 20m
London Heathrow
Fri 1/15
2:45 pm-12:25 am
1 stop18h 40m
AnchorageLondon
ANC Anchorage - LHR London Heathrow
ANCLHR
Anchorage
Mon 1/11
7:28 pm-12:20 pm
2 stops31h 52m
London Heathrow
Fri 1/15
2:45 pm-11:22 pm
1 stop17h 37m
AnchorageLondon
ANC Anchorage - LHR London Heathrow
ANCLHR
Anchorage
Mon 1/11
6:00 am-11:40 am
2 stops20h 40m
London Heathrow
Fri 1/15
6:30 am-9:03 pm
2 stops23h 33m
AnchorageLondon
ANC Anchorage - LHR London Heathrow
ANCLHR
Anchorage
Mon 3/1
1:30 am-10:40 am
1 stop24h 10m
London Heathrow
Wed 3/10
6:30 am-4:18 pm
2 stops18h 48m
AnchorageLondon
ANC Anchorage - LHR London Heathrow
ANCLHR
Anchorage
Tue 3/2
6:00 am-11:40 am
2 stops20h 40m
London Heathrow
Wed 3/10
6:30 am-4:18 pm
2 stops18h 48m
AnchorageLondon
ANC Anchorage - LHR London Heathrow
ANCLHR
Anchorage
Tue 3/2
1:30 am-10:40 am
1 stop24h 10m
London Heathrow
Thu 3/11
6:30 am-10:36 pm
2 stops25h 06m
AnchorageLondon
ANC Anchorage - LHR London Heathrow
ANCLHR
Anchorage
Mon 3/1
1:30 am-10:40 am
1 stop24h 10m
London Heathrow
Thu 3/11
6:30 am-10:36 pm
2 stops25h 06m
AnchorageLondon
ANC Anchorage - LHR London Heathrow
ANCLHR
Anchorage
Fri 3/5
8:15 pm-12:15 pm
1 stop31h 00m
London Heathrow
Sat 3/13
8:20 am-7:09 pm
1 stop19h 49m
AnchorageLondon
ANC Anchorage - LHR London Heathrow
ANCLHR
Anchorage
Thu 3/4
8:15 pm-12:15 pm
1 stop31h 00m
London Heathrow
Tue 3/9
8:20 am-7:09 pm
1 stop19h 49m
See travel insights to London from
How to get the cheapest flight ticket from Alaska to London Heathrow Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to London Heathrow Airport?
The month of November is, on average, the cheapest month to fly to London Heathrow Airport from Alaska, with most prices found around $789. If you’re not able to fly to London Heathrow Airport in November, then September is your next best option. Flight prices from Alaska to London Heathrow Airport during September average around $840.
Can stopping save me money on Alaska to London Heathrow Airport flights?
You could potentially save up to 33% on your flight if you consider stops on a Alaska to London Heathrow Airport flight.
What is the cheapest airline that flies from Alaska to London Heathrow?
Delta, United Airlines, and American Airlines are the most popular carriers operating from Alaska to London Heathrow
What airlines fly to London Heathrow Airport?
Alaska Airlines, Delta and British Airways are the top three most popular airlines that fly to London Heathrow Airport from Alaska according to our data. Alaska Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 3 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.
Cheap Alaska to London Heathrow Airport flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Alaska to London Heathrow Airport
Frequently asked questions about flying from Alaska to London Heathrow Airport
When did momondo last update prices for flights from Alaska to London Heathrow Airport?
Prices for flights from Alaska to London Heathrow Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Alaska to London Heathrow Airport?
The number of operators available for flights from Alaska to London Heathrow Airport is 3 as of October 2026.
How old do you have to be to fly from Alaska to London Heathrow Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Alaska to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from Alaska to London Heathrow Airport
Compare and see reviews for airlines that fly from Alaska to London Heathrow Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $759 | Free Cancellation | Rating 7.8 8,652 reviews | |||
| PriceFrom $896 | Free Cancellation | Rating 7.9 13,039 reviews | |||
| PriceFrom $1,255 | Free Cancellation | Rating 6.7 8,255 reviews |
Traveling to a place near London?
Book flights to London if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Alaska to London?
Finding the right flight to London from Alaska is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.
Can I find flights from Alaska to London with flexible booking policies on momondo?
Flights from Alaska to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Alaska to London?
momondo provides multiple filters to help you find the best flight to London from Alaska. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Alaska to London right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Alaska to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.