$118 Cheap Flights from Kalispell (FCA) to Duluth (DLH)

View $118 flight on Sat, Aug 16, 2025Opens in a new window

Popular airlines from Glacier Park Intl. Airport (FCA) to Duluth, MN (DLH-Duluth Intl.)

Cheap Flights from Kalispell to Duluth (FCA-DLH)

Prices were available within the past 7 days and start at $118 for one-way flights and $403 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Sep 18 - Tue, Sep 23
FCA
Kalispell
DLH
Duluth
$403 Roundtrip, found 6 days ago
$403
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Sep 18 from Kalispell to Duluth, returning Tue, Sep 23, priced at $403 found 6 days ago
Delta
Sat, Sep 20 - Tue, Sep 23
FCA
Kalispell
DLH
Duluth
$433 Roundtrip, found 6 days ago
$433
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Sep 20 from Kalispell to Duluth, returning Tue, Sep 23, priced at $433 found 6 days ago
Delta
Tue, Sep 16 - Tue, Sep 23
FCA
Kalispell
DLH
Duluth
$463 Roundtrip, found 6 days ago
$463
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Sep 16 from Kalispell to Duluth, returning Tue, Sep 23, priced at $463 found 6 days ago
Delta
Mon, Sep 15 - Tue, Sep 23
FCA
Kalispell
DLH
Duluth
$493 Roundtrip, found 6 days ago
$493
Roundtrip
found 6 days ago
Select Delta flight, departing Mon, Sep 15 from Kalispell to Duluth, returning Tue, Sep 23, priced at $493 found 6 days ago
Delta
Thu, Sep 18 - Mon, Sep 22
FCA
Kalispell
DLH
Duluth
$508 Roundtrip, found 6 days ago
$508
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Sep 18 from Kalispell to Duluth, returning Mon, Sep 22, priced at $508 found 6 days ago
Delta
Thu, Sep 18 - Sat, Sep 27
FCA
Kalispell
DLH
Duluth
$514 Roundtrip, found 6 days ago
$514
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Sep 18 from Kalispell to Duluth, returning Sat, Sep 27, priced at $514 found 6 days ago
Delta
Thu, Sep 18 - Sat, Sep 27
FCA
Kalispell
DLH
Duluth
$514 Roundtrip, found 6 days ago
$514
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Sep 18 from Kalispell to Duluth, returning Sat, Sep 27, priced at $514 found 6 days ago
Delta
Thu, Sep 18 - Wed, Sep 24
FCA
Kalispell
DLH
Duluth
$557 Roundtrip, found 6 days ago
$557
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Sep 18 from Kalispell to Duluth, returning Wed, Sep 24, priced at $557 found 6 days ago
Sun Country Airlines
Mon, Aug 25 - Mon, Sep 1
FCA
Kalispell
DLH
Duluth
$592 Roundtrip, found 9 hours ago
$592
Roundtrip
found 9 hours ago
Select Sun Country Airlines flight, departing Mon, Aug 25 from Kalispell to Duluth, returning Mon, Sep 1, priced at $592 found 9 hours ago
United
Thu, Aug 28 - Tue, Sep 2
FCA
Kalispell
DLH
Duluth
$728 Roundtrip, found 8 hours ago
$728
Roundtrip
found 8 hours ago
Select United flight, departing Thu, Aug 28 from Kalispell to Duluth, returning Tue, Sep 2, priced at $728 found 8 hours ago
Flights from Kalispell (FCA) to Duluth (DLH)
Origin airport
Glacier Park Intl.
Destination airport
Duluth Intl.
Airlines serving
Delta, United
Roundtrip price
$402
Distance
1030 mi

Kalispell to Duluth Flights

The cheapest times to fly from Kalispell to Duluth

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 Kalispell to Duluth are during the month of September. You can find some of the cheapest flights from Kalispell to Duluth with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Kalispell to Duluth

Sunday is one of the best days to book for cheap flights from Kalispell to Duluth: 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 Kalispell to Duluth

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 Kalispell to Duluth in 2025. You can also book with separate airlines for your outbound and return journeys, from $118 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 Kalispell to Duluth 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 Kalispell to Duluth 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 Glacier Park Intl. Airport (FCA) to Duluth Intl. Airport (DLH) cost?
Discover the latest flight deals from FCA to DLH by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from FCA to DLH?
The cheapest flights from FCA to DLH are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from FCA to DLH?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from FCA to DLH. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Glacier Park Intl. Airport (FCA) to Duluth Intl. Airport (DLH)?
You'll have to catch a flight with a layover when traveling from Glacier Park Intl. Airport (FCA) to Duluth Intl. Airport (DLH). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from FCA to DLH?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change based on a range of factors, such as the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Glacier Park Intl. Airport (FCA) to Duluth Intl. Airport (DLH)?
To land at Duluth Intl. Airport (DLH) without delays, book a flight that leaves from Glacier Park Intl. Airport (FCA) 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 Glacier Park Intl. Airport (FCA) to Duluth Intl. Airport (DLH) last-minute?
Last-minute bookings from FCA to DLH are typically more expensive. To secure the best prices, start searching for flights as soon as possible. That said, if you're flexible with your travel plans, you may score a cheap fare just before your departure.
Is it cheaper to book a FCA to DLH flight and hotel package?
You'll typically save money by booking a FCA to DLH flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. Once you've selected your preferred accommodations and flights, consider other add-ons like car rentals, tours and activities.
Can I cancel or change the date of my flight from Glacier Park Intl. Airport (FCA) to Duluth Intl. Airport (DLH)?
In most instances, you can cancel or reschedule your FCA to DLH flight. However, additional fees may apply, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you'd like more information, go to our Customer Service portal.

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*Available to One Key members.