$184 Cheap Alaska Airlines flights Ketchikan (KTN) to Seattle (SEA)

View $184 flight on Sat, Oct 18, 2025Opens in a new window

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$184 Cheap Alaska Airlines flights Ketchikan (KTN) to Seattle (SEA)

Prices were available within the past 7 days and start at $184 for one-way flights and $338 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sun, Nov 2 - Tue, Nov 11
KTN
Ketchikan
SEA
Seattle
$338 Roundtrip, found 9 hours ago
$338
Roundtrip
found 9 hours ago
Select Alaska Airlines flight, departing Sun, Nov 2 from Ketchikan to Seattle, returning Tue, Nov 11, priced at $338 found 9 hours ago
Alaska Airlines
Mon, Dec 22 - Thu, Jan 8
KTN
Ketchikan
SEA
Seattle
$363 Roundtrip, found 1 day ago
$363
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, Dec 22 from Ketchikan to Seattle, returning Thu, Jan 8, priced at $363 found 1 day ago
Alaska Airlines
Tue, Nov 4 - Sat, Nov 8
KTN
Ketchikan
SEA
Seattle
$371 Roundtrip, found 16 hours ago
$371
Roundtrip
found 16 hours ago
Select Alaska Airlines flight, departing Tue, Nov 4 from Ketchikan to Seattle, returning Sat, Nov 8, priced at $371 found 16 hours ago
Alaska Airlines
Thu, Jul 17 - Sun, Jul 20
KTN
Ketchikan
SEA
Seattle
$411 Roundtrip, found 14 hours ago
$411
Roundtrip
found 14 hours ago
Select Alaska Airlines flight, departing Thu, Jul 17 from Ketchikan to Seattle, returning Sun, Jul 20, priced at $411 found 14 hours ago
Alaska Airlines
Tue, Nov 4 - Sat, Nov 8
KTN
Ketchikan
SEA
Seattle
$421 Roundtrip, found 16 hours ago
$421
Roundtrip
found 16 hours ago
Select Alaska Airlines flight, departing Tue, Nov 4 from Ketchikan to Seattle, returning Sat, Nov 8, priced at $421 found 16 hours ago
Alaska Airlines
Tue, Aug 12 - Wed, Aug 13
KTN
Ketchikan
SEA
Seattle
$423 Roundtrip, found 3 days ago
$423
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Tue, Aug 12 from Ketchikan to Seattle, returning Wed, Aug 13, priced at $423 found 3 days ago
Flights from Ketchikan (KTN) to Seattle (SEA)
Origin airport
Ketchikan Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines, Hawaiian Airlines
Popular airline
Alaska Airlines
Distance
679 mi
Average flight time
2 hours 59 mins

Frequently asked questions

How much is an Alaska Airlines flight from Ketchikan Intl. Airport (KTN) to Seattle - Tacoma Intl. Airport (SEA)?
Make use of the "Price (lowest to highest)" filter on Expedia to find cheap Alaska Airlines round-trip flights from $338 from KTN to SEA. Affordable one-way options from $184 are also available.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from KTN to SEA with Alaska Airlines?
Alaska Airlines flights to Seattle tend to be cheaper in the low-season months of January and February. Whether you're after a round-trip or one-way ticket, you could land a better deal then.
What is the cheapest time to book flights from Ketchikan Intl. Airport (KTN) to Seattle - Tacoma Intl. Airport (SEA) with Alaska Airlines?
To find cheap Alaska Airlines fares from Ketchikan Intl. Airport (KTN) to Seattle - Tacoma Intl. Airport (SEA), start searching one to three months before your intended departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also affect what you pay. Sunday is generally the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your journey on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Alaska Airlines fly nonstop from Ketchikan Intl. Airport (KTN) to Seattle - Tacoma Intl. Airport (SEA)?
Alaska Airlines operates direct flights from Ketchikan Intl. Airport (KTN) to Seattle - Tacoma Intl. Airport (SEA), with 21 departures every week. Simply select the "Nonstop" and "Airline" filters during your search on Expedia to see all direct Alaska Airlines flights to SEA.
How long does it take to fly from KTN to SEA with Alaska Airlines?
From wheels-up to touchdown, a direct Alaska Airlines flight from Ketchikan Intl. Airport (KTN) to Seattle - Tacoma Intl. Airport (SEA) typically takes 1h 55m.
Which day of the week has the most Alaska Airlines flights from Ketchikan Intl. Airport (KTN) to Seattle - Tacoma Intl. Airport (SEA)?
Alaska Airlines operates the most flights from Ketchikan Intl. Airport (KTN) to Seattle - Tacoma Intl. Airport (SEA) on Monday. With up to 3 daily departures, you'll get the most options and flexibility on this day.
What is the earliest Alaska Airlines flight from KTN to SEA?
The first Alaska Airlines flight from KTN to SEA takes off at 9:15AM UTC-9, touching down at 12:11PM UTC-8. If you want to jet off later in the day, the last Alaska Airlines flight leaves KTN at 5:39PM UTC-9 and touches down at SEA at 8:35PM UTC-8. Flying before midday is often a wise choice as morning flights are least likely to face cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Alaska Airlines fly into in Seattle?
Alaska Airlines flights from Ketchikan Intl. Airport (KTN) to Seattle land at Seattle - Tacoma Intl. Airport (SEA). This is the main gateway to this city.
Why fly with Alaska Airlines from KTN to SEA?
Offering top-tier customer service and an excellent in-flight experience, Alaska Airlines is a popular option for many passengers flying from KTN to SEA. Also, if you're a Mileage Plan and One Key™ member booking with Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can go toward future getaways.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does Alaska Airlines fly from Ketchikan Intl. Airport (KTN) to Seattle - Tacoma Intl. Airport (SEA)?
For the Ketchikan Intl. Airport (KTN) to Seattle - Tacoma Intl. Airport (SEA) route, Alaska Airlines typically flies Boeing 737-800 and Boeing 737-700 planes. Keep in mind that last-minute changes can occur for operational reasons, meaning your flight may be on a different aircraft.
Can I change or cancel my Alaska Airlines flight from Ketchikan Intl. Airport (KTN) to Seattle - Tacoma Intl. Airport (SEA)?
Changes are often free within 24 hours of making a booking, but your airline may add a charge after that time. For further details about modifying your flights, check out your "Trips," select your flight and click on "Manage Booking." If you'd like the flexibility to change your plans without additional charges, apply the "No cancel fee" or "Changes included" filter when planning your trip.

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