$344 Cheap Alaska Airlines flights St. Louis (STL) to Ketchikan (KTN)

You can discover cheap round-trip Alaska Airlines flights from $590 from STL to KTN by filtering your results from “Price (lowest to highest)” on Expedia. Or look for deals from $344 for a one-way journey.**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.

Look for one-way or round-trip flights to Ketchikan in March or January. You could find lower fares with Alaska Airlines during these off-peak times.

Begin your search one to three months ahead of your travel date to score cheaper fares on Alaska Airlines flights from Lambert-St. Louis Intl. Airport (STL) to Ketchikan Intl. Airport (KTN). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing right, and you can enjoy significant savings on domestic trips.*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.

Fill in your dates, hit search and use the “Nonstop” filter on Expedia to find any direct flights from STL to KTN with Alaska Airlines or other carriers.

To find the earliest departures from STL to KTN with Alaska Airlines, sort your results by “Morning” and “Early Morning.” Booking an early flight usually means cancellations are less likely.**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.

Alaska Airlines flights from Lambert-St. Louis Intl. Airport (STL) to Ketchikan come in to land at Ketchikan Intl. Airport (KTN). This is the main gateway to this destination.

With top-tier customer service and an excellent in-flight experience, Alaska Airlines is a favorite for many travelers heading from STL to KTN. Plus, 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 be put toward future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on your fare type, a fee is typically charged if you cancel or change your flight more than 24 hours after it’s been confirmed. To secure tickets with more flexibility, select our “No cancel fee” or “Changes included” filter when you search for flights. For additional information on changing or canceling your reservation, visit “Trips,” select your flight and tick “Manage Booking.”