$199 Cheap Flights from St. Louis (STL) to Ketchikan (KTN)

View $199 flight on Sat, Dec 6, 2025Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Ketchikan, AK (KTN-Ketchikan Intl.)

Cheap Flights from St. Louis to Ketchikan (STL-KTN)

Prices were available within the past 7 days and start at $199 for one-way flights and $397 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Tue, Feb 10 - Tue, Feb 17
STL
St. Louis
KTN
Ketchikan
$397 Roundtrip, found 2 days ago
$397
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Tue, Feb 10 from St. Louis to Ketchikan, returning Tue, Feb 17, priced at $397 found 2 days ago
Alaska Airlines
Tue, Feb 10 - Tue, Feb 17
STL
St. Louis
KTN
Ketchikan
$401 Roundtrip, found 2 days ago
$401
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Tue, Feb 10 from St. Louis to Ketchikan, returning Tue, Feb 17, priced at $401 found 2 days ago
Alaska Airlines
Tue, Feb 10 - Tue, Feb 17
STL
St. Louis
KTN
Ketchikan
$402 Roundtrip, found 2 days ago
$402
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Tue, Feb 10 from St. Louis to Ketchikan, returning Tue, Feb 17, priced at $402 found 2 days ago
Alaska Airlines
Wed, Mar 18 - Wed, Mar 25
STL
St. Louis
KTN
Ketchikan
$403 Roundtrip, found 5 days ago
$403
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Wed, Mar 18 from St. Louis to Ketchikan, returning Wed, Mar 25, priced at $403 found 5 days ago
Alaska Airlines
Tue, Feb 10 - Tue, Feb 17
STL
St. Louis
KTN
Ketchikan
$405 Roundtrip, found 2 days ago
$405
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Tue, Feb 10 from St. Louis to Ketchikan, returning Tue, Feb 17, priced at $405 found 2 days ago
Alaska Airlines
Wed, Mar 18 - Wed, Mar 25
STL
St. Louis
KTN
Ketchikan
$406 Roundtrip, found 5 days ago
$406
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Wed, Mar 18 from St. Louis to Ketchikan, returning Wed, Mar 25, priced at $406 found 5 days ago
Alaska Airlines
Sat, Dec 6 - Sun, Dec 7
STL
St. Louis
KTN
Ketchikan
$417 Roundtrip, found 4 days ago
$417
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Sat, Dec 6 from St. Louis to Ketchikan, returning Sun, Dec 7, priced at $417 found 4 days ago
Alaska Airlines
Sun, Apr 26 - Mon, May 11
STL
St. Louis
KTN
Ketchikan
$437 Roundtrip, found 2 days ago
$437
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sun, Apr 26 from St. Louis to Ketchikan, returning Mon, May 11, priced at $437 found 2 days ago
Hawaiian Airlines
Wed, Dec 3 - Sat, Dec 6
STL
St. Louis
KTN
Ketchikan
$510 Roundtrip, found 4 days ago
$510
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Wed, Dec 3 from St. Louis to Ketchikan, returning Sat, Dec 6, priced at $510 found 4 days ago
American Airlines
Wed, Dec 3 - Sun, Dec 7
STL
St. Louis
KTN
Ketchikan
$738 Roundtrip, found 4 days ago
$738
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Dec 3 from St. Louis to Ketchikan, returning Sun, Dec 7, priced at $738 found 4 days ago

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Ketchikan Intl. Airport (KTN) cost?
Grab a cheap one-way flight from $199 or cheap return flight from $397 from Lambert-St. Louis Intl. Airport (STL) to Ketchikan Intl. Airport (KTN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Ketchikan Intl. Airport (KTN)?
The cheapest month to fly from STL to KTN is February, when demand is low. Off-peak months are often when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Ketchikan Intl. Airport (KTN)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll fly you from STL to KTN. Then, sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Ketchikan Intl. Airport (KTN)?
Direct flights from Lambert-St. Louis Intl. Airport (STL) to Ketchikan Intl. Airport (KTN) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STL to KTN?
Typically you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can change depending on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Ketchikan Intl. Airport (KTN)?
To arrive at Ketchikan Intl. Airport (KTN) on time, pick a flight that leaves Lambert-St. Louis Intl. Airport (STL) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Ketchikan Intl. Airport (KTN) last-minute?
Booking your ticket from STL to KTN just before your getaway is generally more expensive. However, if you're flexible with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a STL to KTN flight and hotel package?
Compared with arranging hotels and flights separately, booking a STL to KTN flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one place takes the hassle out of travel planning. Simply secure your flights and choose from our wide range of hotels, then customize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Ketchikan Intl. Airport (KTN)?
If you booked your STL to KTN flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket 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, head to our Customer Service portal for more details.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Ketchikan Intl.
Airlines serving
Alaska Airlines, American Airlines
Roundtrip price
$396
Distance
2213 mi

Book with confidence

Book with confidence

St. Louis to Ketchikan Flights

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

 

The best time to book a flight from St. Louis to Ketchikan

Sunday is one of the best days to book for cheap flights from St. Louis 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 St. Louis 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 St. Louis to Ketchikan in 2025. You can also book with separate airlines for your outbound and return journeys, from $199 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 St. Louis 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 St. Louis 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.

 

St. Louis to Ketchikan Flights

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*Available to One Key members.