Cheap flights from London Heathrow Airport to Alaska from £402
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Alaska departing on 18/5. 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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WestJet flights from London Heathrow Airport to Alaska
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How to get the cheapest flight ticket from London Heathrow Airport to Alaska
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 Alaska?
The cheapest month to fly to Alaska from London Heathrow Airport is in February. Flight prices, which tend to average around £849, are often lower during this time because this is during the off-season. If you’re not able to fly to Alaska in February, then May is your next best option. Flight prices from London Heathrow Airport to Alaska during May average around £877.
What is the cheapest day to depart on your flight to Alaska?
Our data shows that Thursday is the least expensive day to fly to Alaska. Tickets to fly out on this day can be as low as £827. On the other hand, Sunday is the most expensive day to depart from London Heathrow Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £1,105.
What is the cheapest time of day to depart on your flight to Alaska?
At midday is the cheapest time of day to fly from London Heathrow Airport to Alaska when you can find flight prices for as low as £774. Flying to Alaska at midday is an ideal time because this is during off-peak travel hours. In the afternoon is when there is more demand to fly to Alaska, so prices are often more expensive at around £1,061 per ticket.
How far in advance should I book a flight to Alaska?
You are more likely to see cheaper flights to Alaska from London Heathrow Airport when booking 20 weeks ahead of your departure date. In general, you can expect to find flights to Alaska for around £1,124 when searching 20 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Alaska from London Heathrow Airport for as low as £762 on momondo.
What is the cheapest airline that flies from London Heathrow to Alaska?
WestJet, Virgin Atlantic, and Finnair are the most popular carriers operating from London Heathrow to Alaska
Which airlines fly to Alaska?
British Airways, Virgin Atlantic and Icelandair are the top three most popular airlines that fly to Alaska from London Heathrow Airport according to our data. British Airways is the first choice among our users, with 36% of people opting to fly with this airline when travelling to Alaska. Keep in mind that there are 4 different airlines that fly to Alaska on a routine basis, so you have a few additional options to choose from.
Cheap London Heathrow Airport to Alaska flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Alaska
When did momondo last update prices for flights from London Heathrow Airport to Alaska?
Prices for flights from London Heathrow Airport to Alaska are updated daily.
How many operators does momondo search for flights from London Heathrow Airport to Alaska?
There are 4 operators available for flights from London Heathrow Airport to Alaska as of April 2025.
How old do you have to be to fly from London Heathrow Airport to Alaska?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Alaska.
What documentation or ID do you need to fly to Alaska?
The travel and health documents you'll need for your trip to Alaska may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Alaska. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Best airlines flying from London Heathrow Airport to Alaska
Compare and see reviews for airlines that fly from London Heathrow Airport to Alaska with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £633 | Free Cancellation | Rating 7.0 484 reviews | |||
| PriceFrom £713 | Free Cancellation | Rating 6.6 6,798 reviews | |||
| PriceFrom £1,046 | Free Cancellation | Rating 7.4 642 reviews | |||
| PriceFrom £1,071 | Free Cancellation | Rating 7.4 8,683 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from London to Alaska?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Alaska . Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from London to Alaska with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Alaska from London with this policy.
How can momondo help me find flights from London to Alaska?
momondo provides multiple filters to help you find the best flight to Alaska from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from London to Alaska right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Alaska from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.