Cheap flights from Seattle to Alaska from $159
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Alaska departing on 9/3. 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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How to get the cheapest flight ticket from Seattle 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?
If you don’t want to visit Alaska in October, then you should wait until January to fly from Seattle, when ticket prices are also cheap, with an average price of $360.
What is the cheapest day to depart on your flight to Alaska?
The cheapest day to depart from Seattle to Alaska is on a Tuesday. Travelers who choose to depart for Alaska on a Tuesday will often find tickets for as low as $396. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Seattle to Alaska for around $422.
What is the cheapest time of day to depart on your flight to Alaska?
Our data shows that the cheapest Seattle to Alaska flights are usually those with departure times in the evening. Our users have found flights to Alaska in the evening for as low as $400. At noon is when there is more demand to fly to Alaska, so prices are often more expensive at around $455 per ticket.
What is the cheapest Seattle/Tacoma Intl to Alaska flight route?
Fly from Seattle/Tacoma Intl to Fairbanks for the best Seattle/Tacoma Intl - Alaska flight prices
How far in advance should I book a flight to Alaska?
You are more likely to see cheaper flights to Alaska from Seattle when booking 5 weeks ahead of your departure date. In general, you can expect to find flights to Alaska for around $399 when searching 5 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Alaska from Seattle for as low as $371 on momondo.
What cabin class options are available on Seattle/Tacoma Intl to Alaska flights?
There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Alaska flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Seattle/Tacoma Intl to Alaska?
Delta, Hawaiian Airlines, and Alaska Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Alaska
What airlines fly to Alaska?
Alaska Airlines, Delta and Hawaiian Airlines are the top three most popular airlines that fly to Alaska from Seattle according to our data. Alaska Airlines is the first choice among our users, with 75% of people opting to fly with this airline when traveling 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.
How many flights depart from Seattle to Alaska on average per day?
102 flights are operational daily from Seattle to Alaska as of June 2025. The most popular departure time for this route is 9:00PM, with 38% of flights per day taking off in the afternoon.
How many flights depart from Seattle to Alaska on average per week?
The number of flights available between Seattle and Alaska is 720 per week as of June 2025. The most frequent departure day is Thu, with 27% of weekly flights leaving on this day.
Cheap Seattle to Alaska flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to Alaska
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Alaska?
Prices for flights from Seattle/Tacoma Intl Airport to Alaska refresh daily.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Alaska?
There are 4 operators available for flights from Seattle/Tacoma Intl Airport to Alaska as of June 2025.
How old do you have to be to fly from Seattle/Tacoma Intl 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 Seattle/Tacoma Intl Airport to Alaska.
What documentation or ID do you need to fly to Alaska?
The necessary travel and health documents for your Alaska trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Seattle to Alaska?
momondo data reveals that the most frequently booked plane model on the route from Seattle to Alaska is Boeing 737-700, representing 21.23% of all bookings. The subsequent popular models are Boeing 737-900 Passenger/BBJ3 (winglets) at 18.46%, Boeing 737 MAX 9 at 18.23%, and Boeing 737-800 Passenger/BBJ2 (winglets) at 16.00%.
Best airlines flying from Seattle to Alaska
Compare and see reviews for airlines that fly from Seattle to Alaska with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $143 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $164 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $198 | Free Cancellation | Rating 7.8 2,494 reviews | |||
| PriceFrom $236 | Free Cancellation | Rating 8.0 10,000 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Seattle to Alaska?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to Alaska for you.
Can I find flights from Seattle to Alaska with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Seattle to Alaska flights to just show those with flexible booking policies.
How can momondo help me find flights from Seattle to Alaska?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Alaska from Seattle.
I’m not ready to book a flight from Seattle to Alaska right now. Can momondo alert me if prices change?
Price alerts on flights to Alaska from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.