$179 Cheap Flights from Ketchikan (KTN) to Seattle (SEA)

View $179 flight on Sun, Nov 9, 2025Opens in a new window

Popular airlines from Ketchikan, AK (KTN-Ketchikan Intl.) to Seattle-Tacoma International Airport (SEA)

Cheap Flights from Ketchikan to Seattle (KTN-SEA)

Prices were available within the past 7 days and start at $179 for one-way flights and $352 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, Sep 27 - Sun, Sep 28
KTN
Ketchikan
SEA
Seattle
$352 Roundtrip, found 6 hours ago
$352
Roundtrip
found 6 hours ago
Select Alaska Airlines flight, departing Sat, Sep 27 from Ketchikan to Seattle, returning Sun, Sep 28, priced at $352 found 6 hours ago
Alaska Airlines
Sat, Sep 27 - Sun, Sep 28
KTN
Ketchikan
SEA
Seattle
$357 Roundtrip, found 6 hours ago
$357
Roundtrip
found 6 hours ago
Select Alaska Airlines flight, departing Sat, Sep 27 from Ketchikan to Seattle, returning Sun, Sep 28, priced at $357 found 6 hours ago
American Airlines
Tue, Jun 9 - Tue, Jun 16
KTN
Ketchikan
SEA
Seattle
$361 Roundtrip, found 1 day ago
$361
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Jun 9 from Ketchikan to Seattle, returning Tue, Jun 16, priced at $361 found 1 day ago
Alaska Airlines
Sat, Sep 27 - Sun, Sep 28
KTN
Ketchikan
SEA
Seattle
$362 Roundtrip, found 2 days ago
$362
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, Sep 27 from Ketchikan to Seattle, returning Sun, Sep 28, priced at $362 found 2 days ago
American Airlines
Sun, Oct 12 - Tue, Oct 14
KTN
Ketchikan
SEA
Seattle
$364 Roundtrip, found 6 days ago
$364
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sun, Oct 12 from Ketchikan to Seattle, returning Tue, Oct 14, priced at $364 found 6 days ago
Alaska Airlines
Mon, Mar 9 - Sat, Mar 14
KTN
Ketchikan
SEA
Seattle
$367 Roundtrip, found 1 day ago
$367
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, Mar 9 from Ketchikan to Seattle, returning Sat, Mar 14, priced at $367 found 1 day ago
American Airlines
Sat, Jul 4 - Mon, Jul 6
KTN
Ketchikan
SEA
Seattle
$370 Roundtrip, found 5 days ago
$370
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Jul 4 from Ketchikan to Seattle, returning Mon, Jul 6, priced at $370 found 5 days ago
Alaska Airlines
Mon, Sep 15 - Tue, Sep 16
KTN
Ketchikan
SEA
Seattle
$377 Roundtrip, found 3 days ago
$377
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Mon, Sep 15 from Ketchikan to Seattle, returning Tue, Sep 16, priced at $377 found 3 days ago
Alaska Airlines
Sat, Sep 27 - Sun, Sep 28
KTN
Ketchikan
SEA
Seattle
$382 Roundtrip, found 6 hours ago
$382
Roundtrip
found 6 hours ago
Select Alaska Airlines flight, departing Sat, Sep 27 from Ketchikan to Seattle, returning Sun, Sep 28, priced at $382 found 6 hours ago
Hawaiian Airlines
Tue, Sep 2 - Wed, Sep 10
KTN
Ketchikan
SEA
Seattle
$397 Roundtrip, found 1 day ago
$397
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Tue, Sep 2 from Ketchikan to Seattle, returning Wed, Sep 10, priced at $397 found 1 day ago

Find the cheapest month to fly from Ketchikan (KTN) to Seattle (SEA)

September is typically the cheapest month to fly

From $233 - $572 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 $397
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city center20 min
Flights from $397
0
Flights from Ketchikan (KTN) to Seattle (SEA)
Origin airport
Ketchikan Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines, Hawaiian Airlines
Roundtrip price
$351
Distance
679 mi

Ketchikan to Seattle Flights

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

 

The best time to book a flight from Ketchikan to Seattle

Sunday is one of the best days to book for cheap flights from Ketchikan 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 Ketchikan 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 Ketchikan to Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from $179 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 Ketchikan 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 Ketchikan 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 Ketchikan Intl. Airport (KTN) to Seattle - Tacoma Intl. Airport (SEA) cost?
Get a cheap one-way flight from $179 or cheap return flight from $352 from Ketchikan Intl. Airport (KTN) to Seattle - Tacoma Intl. Airport (SEA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Ketchikan Intl. Airport (KTN) to Seattle - Tacoma Intl. Airport (SEA)?
September is the least expensive month to fly from KTN to SEA. Traveling during quieter months is often the key to finding a great deal.
Which airlines fly direct from Ketchikan Intl. Airport (KTN) to Seattle - Tacoma Intl. Airport (SEA)?
Board a direct flight with Alaska Airlines and fly straight from Ketchikan Intl. Airport (KTN) to Seattle - Tacoma Intl. Airport (SEA).
What is the cheapest airline that flies from Ketchikan Intl. Airport (KTN) to Seattle - Tacoma Intl. Airport (SEA)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest KTN to SEA flight.
How many flights per day from Ketchikan Intl. Airport (KTN) to Seattle - Tacoma Intl. Airport (SEA)?
Every day on average, 3 direct flights operate from Ketchikan Intl. Airport (KTN) to Seattle - Tacoma Intl. Airport (SEA). Choose the departure time that best fits your itinerary.
What are the most popular departure times for flights from Ketchikan Intl. Airport (KTN) to Seattle - Tacoma Intl. Airport (SEA)?
More travelers fly between KTN and SEA at 9 AM than at any other point in the day. Looking for a quieter experience? Try choosing a quieter departure window and you could save on your ticket as well.
What day of the week has the most flights from KTN to SEA?
Fly on a Friday if you're searching for the largest selection of flights from Ketchikan Intl. Airport (KTN) to Seattle - Tacoma Intl. Airport (SEA).
What is the earliest flight from Ketchikan Intl. Airport (KTN) to Seattle - Tacoma Intl. Airport (SEA)?
Ketchikan Intl. Airport (KTN)'s first flight to Seattle - Tacoma Intl. Airport (SEA) leaves at approximately 9:15AM UTC-9. With a travel duration of 1h 56m, you'll land at around 12:11PM UTC-8.
How long does it take to fly from Ketchikan Intl. Airport (KTN) to Seattle - Tacoma Intl. Airport (SEA)?
Typically, it takes 1 hour and 55 minutes to cover the 680 mi from KTN to SEA.
What airline has the least delays from KTN to SEA?
Alaska Airlines has the best performance for on-time direct flights from Ketchikan Intl. Airport (KTN) to Seattle - Tacoma Intl. Airport (SEA), with an on-time rating of 86%. Use the Expedia App to view your journey status before you jet off and get immediate updates about any trip changes.
What is the best time to fly from Ketchikan Intl. Airport (KTN) to Seattle - Tacoma Intl. Airport (SEA)?
Choose a flight from Ketchikan Intl. Airport (KTN) to Seattle - Tacoma Intl. Airport (SEA) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures after this time are on average 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.
What airports do you fly into for Seattle from Ketchikan Intl. Airport (KTN)?
Seattle - Tacoma Intl. Airport (SEA) is the only airport in Seattle with direct flights from Ketchikan Intl. Airport (KTN). Explore the available options and discover cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Ketchikan Intl. Airport (KTN) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Waiting until right before your break to book a ticket from KTN to SEA generally means paying more. While you might find some last-minute deals, they're not always guaranteed. Keep your travel plans flexible for the best chance of landing a bargain.
Is it cheaper to book a KTN to SEA flight and hotel package?
Compared with arranging hotels and flights separately, booking a KTN to SEA flight and hotel package with Expedia could result in significant savings. Better yet, having it all in one place takes the hassle out of travel planning. Just secure your flights and choose from our wide range of stays, then personalize your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Ketchikan Intl. Airport (KTN) to Seattle - Tacoma Intl. Airport (SEA)?
If you reserved your KTN to SEA flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the fare type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.

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*Available to One Key members.