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$150+ Cheap flights from Seattle (SEA) to Alaska

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ANC
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheap flight deals from Seattle to Alaska

Keep the following information in mind while searching for Seattle to Alaska flight deals. Data was last updated July 29, 2025.

Round-trip from

$259
(TeaFlight)

One-way from

$150
(Hawaiian Airlines)

Popular in

February

Cheapest in

October

Average price

$459

Good round-trip deal

$279 or less

Good one-way deal

$179 or less
From Seattle/Tacoma Intl to Alaska
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One-way flight from Seattle/Tacoma Intl to Alaska
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Highest demand for flights based on searches. 2% potential increase in price ($9 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to Alaska.
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Price to beat on a one-way flight from Seattle/Tacoma Intl to Alaska.
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Find flight deals from Seattle to Alaska

Cheapest flights from Seattle to Alaska
Explore the most affordable flight options available from Seattle to Alaska. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This Alaska Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/177:52 pmSEA - FAI
Nonstop3h 55mAlaska Airlines
Fri 10/310:00 amFAI - SEA
Nonstop3h 37mAlaska Airlines
Deal found 7/29$260
This Trip.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/107:52 pmSEA - FAI
Nonstop3h 55mHawaiian Airlines
Wed 9/176:00 amFAI - SEA
Nonstop3h 44mHawaiian Airlines
Deal found 7/27$274
This Delta deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2610:00 pmSEA - FAI
Nonstop3h 50mDelta
Tue 9/23:15 pmFAI - SEA
Nonstop3h 47mDelta
Deal found 7/28$280
This SmartFares deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/126:35 pmSEA - KTN
Nonstop2h 09mHawaiian Airlines
Fri 9/1911:57 amKTN - SEA
Nonstop2h 01mHawaiian Airlines
Deal found 7/29$314
This Hawaiian Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/187:55 pmSEA - ANC
Nonstop3h 43mHawaiian Airlines
Fri 8/222:45 amANC - SEA
Nonstop3h 29mHawaiian Airlines
Deal found 7/28$317
This Delta deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/211:30 pmSEA - ANC
1 stop10h 57mDelta
Mon 8/2512:42 amANC - SEA
1 stop7h 13mDelta
Deal found 7/28$318
This lastminute.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/137:00 amSEA - ANC
Nonstop3h 50mAlaska Airlines
Mon 10/2012:08 pmANC - SEA
1 stop19h 18mAlaska Airlines
Deal found 7/29$325
This Hawaiian Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/267:00 amSEA - JNU
Nonstop2h 34mHawaiian Airlines
Tue 9/26:50 pmJNU - SEA
Nonstop2h 32mHawaiian Airlines
Deal found 7/29$338
This Alaska Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/611:20 amSEA - SIT
Nonstop2h 33mAlaska Airlines
Wed 9/1011:00 amSIT - SEA
1 stop3h 51mAlaska Airlines
Deal found 7/29$342
This Trip.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1111:20 amSEA - SIT
Nonstop2h 33mHawaiian Airlines
Thu 9/181:49 pmSIT - SEA
Nonstop2h 21mHawaiian Airlines
Deal found 7/28$355
This Alaska Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/276:35 pmSEA - KTN
Nonstop2h 09mAlaska Airlines
Thu 10/95:30 pmKTN - SEA
Nonstop2h 00mAlaska Airlines
Deal found 7/27$357
This Trip.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/176:54 amSEA - JNU
3 stops6h 22mAlaska Airlines
Mon 9/299:18 amJNU - SEA
2 stops5h 33mAlaska Airlines
Deal found 7/28$369

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Alaska that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 29, 2025.
Use the filters below to find and compare flights from Seattle to Alaska that are best for you.

Fly from

Seattle

Fly to

Alaska

Route

Depart

Return

Price

SeattleFairbanks

SEA - FAI

SEAFAI

Seattle/Tacoma Intl

Fri 9/12

7:52 pm-10:47 pm

Nonstop3h 55m

Fairbanks

Thu 9/18

12:18 am-5:00 am

Nonstop3h 42m

$259

SeattleFairbanks

SEA - FAI

SEAFAI

Seattle/Tacoma Intl

Wed 9/17

5:45 pm-8:39 pm

Nonstop3h 54m

Fairbanks

Thu 10/2

2:08 am-6:43 am

Nonstop3h 35m

$260

SeattleFairbanks

SEA - FAI

SEAFAI

Seattle/Tacoma Intl

Tue 8/26

10:00 pm-12:50 am

Nonstop3h 50m

Fairbanks

Mon 9/1

1:50 am-6:30 am

Nonstop3h 40m

$280

SeattleKetchikan

SEA - KTN

SEAKTN

Seattle/Tacoma Intl

Fri 9/12

6:35 pm-7:44 pm

Nonstop2h 09m

Ketchikan

Fri 9/19

11:57 am-2:58 pm

Nonstop2h 01m

$314

SeattleAnchorage

SEA - ANC

SEAANC

Seattle/Tacoma Intl

Mon 8/18

7:55 pm-10:38 pm

Nonstop3h 43m

Anchorage

Fri 8/22

2:45 am-7:14 am

Nonstop3h 29m

$317

SeattleAnchorage

SEA - ANC

SEAANC

Seattle/Tacoma Intl

Thu 8/21

1:30 pm-11:27 pm

1 stop10h 57m

Anchorage

Mon 8/25

12:42 am-8:55 am

1 stop7h 13m

$318

SeattleAnchorage

SEA - ANC

SEAANC

Seattle/Tacoma Intl

Mon 10/13

7:00 am-9:50 am

Nonstop3h 50m

Anchorage

Mon 10/20

12:08 pm-8:26 am

1 stop19h 18m

$325

SeattleJuneau

SEA - JNU

SEAJNU

Seattle/Tacoma Intl

Tue 8/26

7:00 am-8:34 am

Nonstop2h 34m

Juneau Intl

Tue 9/2

6:50 pm-10:22 pm

Nonstop2h 32m

$338

SeattleSitka

SEA - SIT

SEASIT

Seattle/Tacoma Intl

Sat 9/6

11:20 am-12:53 pm

Nonstop2h 33m

Sitka

Wed 9/10

11:00 am-3:51 pm

1 stop3h 51m

$342

SeattleKetchikan

SEA - KTN

SEAKTN

Seattle/Tacoma Intl

Thu 9/4

7:00 am-11:59 am

2 stops5h 59m

Ketchikan

Sun 9/7

11:57 am-2:58 pm

Nonstop2h 01m

$350

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 40 results
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Best time to book a flight from Seattle to Alaska

Have a flexible travel schedule? Discover the best time to fly to Alaska from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Alaska

What is the cheapest month to book a flight from Seattle to Alaska?

Currently, January is the cheapest month in which you can book a flight from Seattle to Alaska (average of $456). Flying from Seattle to Alaska in July is currently the most expensive (average of $645). 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.

What is the cheapest time of day to fly from SEA to AK?

Find hourly flight availability from Seattle to Alaska. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Alaska as you normally would.

Weekly flight availability from Seattle to Alaska

Explore weekly flight availability from Seattle to Alaska. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 29, 2025.

The most flights from SEA to USAK are scheduled on a Monday (110 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (60 on average).

How much does it cost to fly round-trip from Seattle to Alaska?

Reviews of airlines servicing Alaska

Get insights into the airlines that provide service to Alaska. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Alaska. Reviews last updated July 29, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta, and Hawaiian Airlines from Seattle to Alaska. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,977 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,605 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,899 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Alaska. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to Alaska?

    Most people fly from Seattle/Tacoma Intl (SEA) if they book a flight from Seattle to Alaska. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

  • How popular is this Seattle to Alaska flight route?

    The Seattle/Tacoma Intl to Alaska flight path was viewed by 18 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines to fly from Seattle to Alaska one-way?

    For one-way options, check prices for Hawaiian Airlines. According to our data, you can fly for as low as $150. Users have also found prices from $158 and $160 on Alaska Airlines and Delta, respectively.

  • What are the most popular routes from Seattle to Alaska?

    When deciding which route to take from Seattle to Alaska consider Seattle/Tacoma Intl - Anchorage, Seattle/Tacoma Intl - Fairbanks or Seattle/Tacoma Intl - Sitka as they are the most popular.

  • What are the most reliable airlines from Seattle to Alaska?

    No one likes to see their flight delayed. When booking a flight from Seattle to Alaska consider choosing Aeromexico (93%), Delta (87%) or Scandinavian Airlines (84%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Seattle to Alaska?

    On average you can expect to pay $497 for a flight from Seattle to Alaska. The cheapest flight overall is $160 while the most popular route, (Seattle/Tacoma Intl - Anchorage) is currently priced at $285.

  • Can I find deals for flights from Seattle to Alaska that include hotel bookings?

    Yes. In addition to deals on Seattle to Alaska flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Alaska?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Alaska.

  • Can I find deals for business class flights from Seattle to Alaska?

    Yes. Cheapflights offers flight deals from Seattle to Alaska 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 Seattle to Alaska?

    Currently, January is the cheapest month in which you can book a flight from Seattle to Alaska (average of $456). Flying from Seattle to Alaska in July is currently the most expensive (average of $645). 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

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Alternative routes for Seattle to Alaska

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Top 4 airlines flying from Seattle to Alaska

Discover the top 4 airlines that operate flights from Seattle to Alaska. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$143Average$587FlexibilityNo cancel feeOn-time71%
DeltaCheapest$164Average$375FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$199Average$422FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$256Average$504FlexibilityNo cancel feeOn-time75%

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