$332 Cheap American Airlines flights St. Louis (STL) to Ketchikan (KTN)

Landing cheap one-way American Airlines flights from STL to KTN from $332 on Expedia couldn’t be simpler — just filter by “Price (lowest to highest).” Or check out our budget-friendly return fares from $622 for your next exciting getaway.**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.

Browse for round-trip or one-way flights to Ketchikan in March or January. You could find a cheap fare with American Airlines during these off-peak months.

Look for cheap American Airlines flights from Lambert-St. Louis Intl. Airport (STL) to Ketchikan Intl. Airport (KTN) one to three months before your departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare class and journey, the best day to book a domestic flight is usually Sunday and the most expensive tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**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.

Simply enter your dates, press search and check the “Nonstop” filter on Expedia to browse any direct flights from STL to KTN with American Airlines or another airline.

Filter your results by “Early Morning” and “Morning” to see the earliest departures from STL to KTN. Heading off early means flight 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.

Ketchikan Intl. Airport (KTN) is the main Ketchikan hub for American Airlines flights from Lambert-St. Louis Intl. Airport (STL).

Depending on the ticket type you purchased, a fee is typically charged if you cancel or reschedule your flight more than 24 hours after it’s been confirmed. To secure plane tickets with more flexibility, select our “No cancel fee” or “Changes included” filter when you look for flights. For more details on canceling or modifying your reservation, head to “Trips,” select your flight and click on “Manage Booking.”