$174 Cheap Flights from Seattle (SEA) to Ketchikan (KTN)

View $174 flight on Mon, Jun 2, 2025Opens in a new window

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Cheap Flights from Seattle to Ketchikan (SEA-KTN)

Prices were available within the past 7 days and start at $174 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
Fri, Sep 26 - Sat, Oct 11
SEA
Seattle
KTN
Ketchikan
$338 Roundtrip, found 4 hours ago
$338
Roundtrip
found 4 hours ago
Select Alaska Airlines flight, departing Fri, Sep 26 from Seattle to Ketchikan, returning Sat, Oct 11, priced at $338 found 4 hours ago
American Airlines
Tue, Jun 3 - Wed, Jun 4
SEA
Seattle
KTN
Ketchikan
$347 Roundtrip, found 3 hours ago
$347
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Tue, Jun 3 from Seattle to Ketchikan, returning Wed, Jun 4, priced at $347 found 3 hours ago
American Airlines
Tue, Jun 3 - Wed, Jun 4
SEA
Seattle
KTN
Ketchikan
$353 Roundtrip, found 3 hours ago
$353
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Tue, Jun 3 from Seattle to Ketchikan, returning Wed, Jun 4, priced at $353 found 3 hours ago
Alaska Airlines
Mon, Jun 9 - Fri, Jun 13
SEA
Seattle
KTN
Ketchikan
$357 Roundtrip, just found
$357
Roundtrip
just found
Select Alaska Airlines flight, departing Mon, Jun 9 from Seattle to Ketchikan, returning Fri, Jun 13, priced at $357 just found
Alaska Airlines
Mon, Jun 9 - Fri, Jun 13
SEA
Seattle
KTN
Ketchikan
$364 Roundtrip, just found
$364
Roundtrip
just found
Select Alaska Airlines flight, departing Mon, Jun 9 from Seattle to Ketchikan, returning Fri, Jun 13, priced at $364 just found
Alaska Airlines
Sun, Jun 15 - Mon, Jun 16
SEA
Seattle
KTN
Ketchikan
$367 Roundtrip, found 10 hours ago
$367
Roundtrip
found 10 hours ago
Select Alaska Airlines flight, departing Sun, Jun 15 from Seattle to Ketchikan, returning Mon, Jun 16, priced at $367 found 10 hours ago
Alaska Airlines
Sun, Jun 15 - Mon, Jun 16
SEA
Seattle
KTN
Ketchikan
$374 Roundtrip, found 10 hours ago
$374
Roundtrip
found 10 hours ago
Select Alaska Airlines flight, departing Sun, Jun 15 from Seattle to Ketchikan, returning Mon, Jun 16, priced at $374 found 10 hours ago
Alaska Airlines
Thu, May 22 - Mon, May 26
SEA
Seattle
KTN
Ketchikan
$377 Roundtrip, just found
$377
Roundtrip
just found
Select Alaska Airlines flight, departing Thu, May 22 from Seattle to Ketchikan, returning Mon, May 26, priced at $377 just found
Alaska Airlines
Thu, May 22 - Mon, May 26
SEA
Seattle
KTN
Ketchikan
$381 Roundtrip, just found
$381
Roundtrip
just found
Select Alaska Airlines flight, departing Thu, May 22 from Seattle to Ketchikan, returning Mon, May 26, priced at $381 just found
Hawaiian Airlines
Sun, Jun 1 - Thu, Jun 12
SEA
Seattle
KTN
Ketchikan
$387 Roundtrip, found 4 hours ago
$387
Roundtrip
found 4 hours ago
Select Hawaiian Airlines flight, departing Sun, Jun 1 from Seattle to Ketchikan, returning Thu, Jun 12, priced at $387 found 4 hours ago
Flights from Seattle (SEA) to Ketchikan (KTN)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Ketchikan Intl.
Airlines serving
Alaska Airlines, American Airlines, Hawaiian Airlines
Roundtrip price
$331
Distance
679 mi

Seattle to Ketchikan Flights

The cheapest times to fly from Seattle to Ketchikan

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 Seattle to Ketchikan are during the month of September. You can find some of the cheapest flights from Seattle to Ketchikan with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Seattle to Ketchikan

Sunday is one of the best days to book for cheap flights from Seattle to Ketchikan: 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 Seattle to Ketchikan

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 Seattle to Ketchikan in 2025. You can also book with separate airlines for your outbound and return journeys, from $174 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 Seattle to Ketchikan 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 Seattle to Ketchikan 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 Seattle - Tacoma Intl. Airport (SEA) to Ketchikan Intl. Airport (KTN) cost?
Cheap return flights from Seattle - Tacoma Intl. Airport (SEA) to Ketchikan Intl. Airport (KTN) start at $367. 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 American Airlines flight leaving SEA on May 21 2025 and touching down at KTN. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from SEA to KTN?
The cheapest flights from SEA to KTN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Seattle - Tacoma Intl. Airport (SEA) to Ketchikan Intl. Airport (KTN)?
You can fly directly from Seattle - Tacoma Intl. Airport (SEA) to Ketchikan Intl. Airport (KTN) on an Alaska Airlines flight.
What is the cheapest airline that flies from SEA to KTN?
With fares starting at $184 for a one-way flight from SEA to KTN, American Airlines is currently the cheapest carrier for this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SEA on June 17 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Ketchikan Intl. Airport (KTN)?
Every day, an average of 3 nonstop flights take off from Seattle - Tacoma Intl. Airport (SEA) to Ketchikan Intl. Airport (KTN). Select the departure time that fits your schedule best.
What are the most popular departure times for flights from Seattle - Tacoma Intl. Airport (SEA) to Ketchikan Intl. Airport (KTN)?
More passengers fly between SEA and KTN at 6 PM than at any other time. Prefer a quieter experience? Consider flying outside peak hours and you’re likely to save on your ticket as well.
What day of the week has the most flights from SEA to KTN?
If you depart on a Friday, you’ll get the widest range of choices for flights from Seattle - Tacoma Intl. Airport (SEA) to Ketchikan Intl. Airport (KTN).
What is the earliest flight from Seattle - Tacoma Intl. Airport (SEA) to Ketchikan Intl. Airport (KTN)?
The first flight of the day leaving Seattle - Tacoma Intl. Airport (SEA) is at around 7:00AM UTC-8. Hop on this flight and you’ll reach Ketchikan Intl. Airport (KTN) at approximately 8:13AM UTC-9. The total time in the air is 2h 13m.
How long does it take to fly from Seattle - Tacoma Intl. Airport (SEA) to Ketchikan Intl. Airport (KTN)?
The average flight time from SEA to KTN is 2 hours and 10 minutes, covering a distance of 680 mi.
What airline has the least delays from SEA to KTN?
American Airlines has the best track record for on-time direct flights from Seattle - Tacoma Intl. Airport (SEA) to Ketchikan Intl. Airport (KTN), with an on-time rating of 88%. Use the Expedia App to check your flight status before you jet off and receive notifications about any changes.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Ketchikan Intl. Airport (KTN)?
To avoid potential delays on the Seattle - Tacoma Intl. Airport (SEA) to Ketchikan Intl. Airport (KTN) route, aim to fly before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**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.
What airports do you fly into for Ketchikan from Seattle - Tacoma Intl. Airport (SEA)?
Ketchikan Intl. Airport (KTN) is the only airport in Ketchikan with direct flights from Seattle - Tacoma Intl. Airport (SEA). Browse the options and find cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to Ketchikan Intl. Airport (KTN) last-minute?
Holding off until just before your departure to book a ticket from SEA to KTN generally means paying more. While you may come across some last-minute discounts, there’s no guarantee. Allow some flexibility in your schedule for the best chance of getting a bargain.
Is it cheaper to book a SEA to KTN flight and hotel package?
Compared with arranging flights and hotels separately, booking a SEA to KTN flight and hotel package with Expedia could lead to significant savings. What’s more, managing everything in one place will take the hassle out of planning your trip. Simply pick your flights and select from our wide range of stays, then customize your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Ketchikan Intl. Airport (KTN)?
Typically, you can cancel or reschedule your SEA to KTN flight. However, there may be additional charges, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline’s policies and fees on flight changes, or if you want further information, go to our Customer Service portal.

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*Available to One Key members.