$216 Cheap Flights from Boise (BOI) to Ketchikan (KTN)

View $216 flight on Wed, Sep 24, 2025Opens in a new window

Popular airlines from Boise Airport (BOI) to Ketchikan, AK (KTN-Ketchikan Intl.)

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Cheap Flights from Boise to Ketchikan (BOI-KTN)

Prices were available within the past 7 days and start at $216 for one-way flights and $431 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, Sep 24 - Wed, Oct 1
BOI
Boise
KTN
Ketchikan
$431 Roundtrip, found 8 hours ago
$431
Roundtrip
found 8 hours ago
Select Alaska Airlines flight, departing Wed, Sep 24 from Boise to Ketchikan, returning Wed, Oct 1, priced at $431 found 8 hours ago
Hawaiian Airlines
Wed, Oct 22 - Wed, Nov 5
BOI
Boise
KTN
Ketchikan
$436 Roundtrip, found 2 days ago
$436
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Wed, Oct 22 from Boise to Ketchikan, returning Wed, Nov 5, priced at $436 found 2 days ago
Hawaiian Airlines
Tue, Sep 30 - Mon, Nov 3
BOI
Boise
KTN
Ketchikan
$443 Roundtrip, found 9 hours ago
$443
Roundtrip
found 9 hours ago
Select Hawaiian Airlines flight, departing Tue, Sep 30 from Boise to Ketchikan, returning Mon, Nov 3, priced at $443 found 9 hours ago
Hawaiian Airlines
Sun, Sep 21 - Tue, Sep 30
BOI
Boise
KTN
Ketchikan
$448 Roundtrip, found 2 days ago
$448
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Sun, Sep 21 from Boise to Ketchikan, returning Tue, Sep 30, priced at $448 found 2 days ago
Hawaiian Airlines
Mon, Sep 29 - Mon, Nov 3
BOI
Boise
KTN
Ketchikan
$455 Roundtrip, found 9 hours ago
$455
Roundtrip
found 9 hours ago
Select Hawaiian Airlines flight, departing Mon, Sep 29 from Boise to Ketchikan, returning Mon, Nov 3, priced at $455 found 9 hours ago
Alaska Airlines
Tue, Dec 30 - Tue, Jan 6
BOI
Boise
KTN
Ketchikan
$460 Roundtrip, found 4 days ago
$460
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Tue, Dec 30 from Boise to Ketchikan, returning Tue, Jan 6, priced at $460 found 4 days ago
Hawaiian Airlines
Sun, Sep 21 - Thu, Oct 2
BOI
Boise
KTN
Ketchikan
$460 Roundtrip, found 2 days ago
$460
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Sun, Sep 21 from Boise to Ketchikan, returning Thu, Oct 2, priced at $460 found 2 days ago
Alaska Airlines
Wed, Oct 1 - Fri, Oct 31
BOI
Boise
KTN
Ketchikan
$484 Roundtrip, found 9 hours ago
$484
Roundtrip
found 9 hours ago
Select Alaska Airlines flight, departing Wed, Oct 1 from Boise to Ketchikan, returning Fri, Oct 31, priced at $484 found 9 hours ago
Alaska Airlines
Wed, Sep 24 - Wed, Oct 1
BOI
Boise
KTN
Ketchikan
$485 Roundtrip, found 8 hours ago
$485
Roundtrip
found 8 hours ago
Select Alaska Airlines flight, departing Wed, Sep 24 from Boise to Ketchikan, returning Wed, Oct 1, priced at $485 found 8 hours ago
American Airlines
Tue, Jun 2 - Fri, Jun 5
BOI
Boise
KTN
Ketchikan
$1,386 Roundtrip, found 3 days ago
$1,386
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Jun 2 from Boise to Ketchikan, returning Fri, Jun 5, priced at $1,386 found 3 days ago

Find the cheapest month to fly from Boise (BOI) to Ketchikan (KTN)

January is typically the cheapest month to fly

From $269 - $553 per traveler.

Graph displaying average flight prices per month

Alternative airports near Ketchikan

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Ketchikan Intl. KTN. Cheapest and Closest option available. Average driving time to city center is 12 minutes. Flights from $499
KTN
Ketchikan Intl.
CheapestClosest
Average driving time to city center12 min
Flights from $499
Flights from Boise (BOI) to Ketchikan (KTN)
Origin airport
Boise
Destination airport
Ketchikan Intl.
Airlines serving
Alaska Airlines, American Airlines, Hawaiian Airlines
Roundtrip price
$425
Distance
1066 mi

Boise to Ketchikan Flights

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

 

The best time to book a flight from Boise to Ketchikan

Sunday is one of the best days to book for cheap flights from Boise 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 Boise 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 Boise to Ketchikan in 2025. You can also book with separate airlines for your outbound and return journeys, from $216 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 Boise 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 Boise 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 Boise Airport (BOI) to Ketchikan Intl. Airport (KTN) cost?
Lock in a cheap one-way flight from $216 or cheap return flight from $431 from Boise Airport (BOI) to Ketchikan Intl. Airport (KTN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Boise Airport (BOI) to Ketchikan Intl. Airport (KTN)?
September is the least expensive month to fly from BOI to KTN. Avoiding peak travel times is often the key to finding a great deal.
What is the cheapest airline that flies from Boise Airport (BOI) to Ketchikan Intl. Airport (KTN)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll take you from BOI to KTN. Then, sort your results by "Price (lowest to highest)" to pick up a good deal.
How many flights per day from Boise Airport (BOI) to Ketchikan Intl. Airport (KTN)?
Nonstop flights from Boise Airport (BOI) to Ketchikan Intl. Airport (KTN) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BOI to KTN?
Typically you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* However, this can vary based on the airline, season 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 Boise Airport (BOI) to Ketchikan Intl. Airport (KTN)?
Select a flight from Boise Airport (BOI) to Ketchikan Intl. Airport (KTN) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures after this hour have a 22% higher chance of being canceled, on average.**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 Boise Airport (BOI) to Ketchikan Intl. Airport (KTN) last-minute?
Last-minute fares from BOI to KTN are generally more expensive. To lock in the best prices, start looking for flights well in advance. That said, if you're flexible with your travel plans, it's possible to land a cheap fare just before your departure.
Is it cheaper to book a BOI to KTN flight and hotel package?
Compared with arranging hotels and flights separately, booking a BOI to KTN flight and hotel package with Expedia could result in significant savings. Better yet, managing everything in one place will take the stress out of travel planning. Simply pick your flights and select from our extensive range of hotels, then personalize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Boise Airport (BOI) to Ketchikan Intl. Airport (KTN)?
If you booked your BOI to KTN flight in the last 24 hours, you may be able to modify or cancel it without fees. 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, head to our Customer Service portal for further details.

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*Available to One Key members.