$164 Cheap Flights from Sitka (SIT) to Seattle (SEA)

View $164 flight on Thu, Sep 4, 2025Opens in a new window

Popular airlines from Sitka, AK (SIT) to Seattle-Tacoma International Airport (SEA)

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Cheap Flights from Sitka to Seattle (SIT-SEA)

Prices were available within the past 7 days and start at $164 for one-way flights and $327 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Thu, Sep 4 - Sun, Sep 7
SIT
Sitka
SEA
Seattle
$327 Roundtrip, found 18 hours ago
$327
Roundtrip
found 18 hours ago
Select Alaska Airlines flight, departing Thu, Sep 4 from Sitka to Seattle, returning Sun, Sep 7, priced at $327 found 18 hours ago
Alaska Airlines
Thu, Sep 4 - Sun, Sep 7
SIT
Sitka
SEA
Seattle
$342 Roundtrip, found 18 hours ago
$342
Roundtrip
found 18 hours ago
Select Alaska Airlines flight, departing Thu, Sep 4 from Sitka to Seattle, returning Sun, Sep 7, priced at $342 found 18 hours ago
Alaska Airlines
Thu, Sep 4 - Sun, Sep 7
SIT
Sitka
SEA
Seattle
$347 Roundtrip, found 18 hours ago
$347
Roundtrip
found 18 hours ago
Select Alaska Airlines flight, departing Thu, Sep 4 from Sitka to Seattle, returning Sun, Sep 7, priced at $347 found 18 hours ago
Hawaiian Airlines
Tue, Aug 26 - Thu, Sep 11
SIT
Sitka
SEA
Seattle
$347 Roundtrip, found 1 day ago
$347
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Tue, Aug 26 from Sitka to Seattle, returning Thu, Sep 11, priced at $347 found 1 day ago
Alaska Airlines
Thu, Sep 4 - Sun, Sep 7
SIT
Sitka
SEA
Seattle
$352 Roundtrip, found 18 hours ago
$352
Roundtrip
found 18 hours ago
Select Alaska Airlines flight, departing Thu, Sep 4 from Sitka to Seattle, returning Sun, Sep 7, priced at $352 found 18 hours ago
Alaska Airlines
Thu, Dec 25 - Wed, Dec 31
SIT
Sitka
SEA
Seattle
$357 Roundtrip, found 17 hours ago
$357
Roundtrip
found 17 hours ago
Select Alaska Airlines flight, departing Thu, Dec 25 from Sitka to Seattle, returning Wed, Dec 31, priced at $357 found 17 hours ago
Alaska Airlines
Mon, Dec 22 - Wed, Dec 31
SIT
Sitka
SEA
Seattle
$362 Roundtrip, found 17 hours ago
$362
Roundtrip
found 17 hours ago
Select Alaska Airlines flight, departing Mon, Dec 22 from Sitka to Seattle, returning Wed, Dec 31, priced at $362 found 17 hours ago
Alaska Airlines
Sun, Oct 19 - Sun, Nov 2
SIT
Sitka
SEA
Seattle
$366 Roundtrip, found 17 hours ago
$366
Roundtrip
found 17 hours ago
Select Alaska Airlines flight, departing Sun, Oct 19 from Sitka to Seattle, returning Sun, Nov 2, priced at $366 found 17 hours ago
Alaska Airlines
Thu, Dec 25 - Tue, Dec 30
SIT
Sitka
SEA
Seattle
$367 Roundtrip, found 17 hours ago
$367
Roundtrip
found 17 hours ago
Select Alaska Airlines flight, departing Thu, Dec 25 from Sitka to Seattle, returning Tue, Dec 30, priced at $367 found 17 hours ago
Alaska Airlines
Tue, Dec 23 - Fri, Jan 2
SIT
Sitka
SEA
Seattle
$372 Roundtrip, found 17 hours ago
$372
Roundtrip
found 17 hours ago
Select Alaska Airlines flight, departing Tue, Dec 23 from Sitka to Seattle, returning Fri, Jan 2, priced at $372 found 17 hours ago

Find the cheapest month to fly from Sitka (SIT) to Seattle (SEA)

September is typically the cheapest month to fly

From $216 - $676 per traveler.

Graph displaying average flight prices per month

Alternative airports near Seattle

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $382
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city center20 min
Flights from $382
Flights from Sitka (SIT) to Seattle (SEA)
Origin airport
Sitka
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, Hawaiian Airlines
Roundtrip price
$327
Distance
860 mi
Average flight time
3 hours 51 mins

Sitka to Seattle Flights

The cheapest times to fly from Sitka to Seattle

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Sitka to Seattle are during the month of September. You can find some of the cheapest flights from Sitka to Seattle with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sitka to Seattle

Sunday is one of the best days to book for cheap flights from Sitka to Seattle: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Sitka to Seattle

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Sitka to Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from $164 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Sitka to Seattle flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Sitka to Seattle airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Sitka Airport (SIT) to Seattle - Tacoma Intl. Airport (SEA) cost?
You can score affordable return tickets from Sitka Airport (SIT) to Seattle - Tacoma Intl. Airport (SEA) starting at $327. Reserve your seat and take off on your trip. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Alaska Airlines flight leaving SIT on August 14 2025 and touching down at SEA. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from SIT to SEA?
The cheapest flights from SIT to SEA are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from SIT to SEA?
Currently, the cheapest airline operating one-way flights from SIT to SEA is Alaska Airlines. You can book a seat on this route from $164. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SIT on October 3 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Sitka Airport (SIT) to Seattle - Tacoma Intl. Airport (SEA)?
You'll need to take a flight with a layover if you're traveling from Sitka Airport (SIT) to Seattle - Tacoma Intl. Airport (SEA). There are no daily direct flights on this route. However, just filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from SIT to SEA?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from SIT to SEA?
Delta Air Lines has the strongest track record for on-time direct flights from Sitka Airport (SIT) to Seattle - Tacoma Intl. Airport (SEA), with an on-time score of 88%. Use the Expedia App to view your journey status before you head off and get notified of any trip changes.
What is the best time to fly from Sitka Airport (SIT) to Seattle - Tacoma Intl. Airport (SEA)?
To avoid potential delays on the Sitka Airport (SIT) to Seattle - Tacoma Intl. Airport (SEA) route, travel before 3 PM. Flights after this time are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Sitka Airport (SIT) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Booking your ticket from SIT to SEA right before your getaway is usually more expensive. However, if you're flexible with your travel dates and times, you could grab a cheap last-minute fare.
Is it cheaper to book a SIT to SEA flight and hotel package?
Opting for a SIT to SEA flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Pick from our extensive range of accommodations and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Sitka Airport (SIT) to Seattle - Tacoma Intl. Airport (SEA)?
In most instances, you're able to cancel or reschedule your SIT to SEA flight. However, additional fees may apply, especially if you booked over 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you need further details, head to our Customer Service portal.

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*Available to One Key members.