$124 Cheap Flights from Washington (IAD) to Kalispell (FCA)

View $124 flight on Wed, Feb 25, 2026Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Glacier Park Intl. Airport (FCA)

Cheap Flights from Washington to Kalispell (IAD-FCA)

Prices were available within the past 7 days and start at $124 for one-way flights and $248 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, Jan 17 - Wed, Jan 21
IAD
Washington
FCA
Kalispell
$248 Roundtrip, found 3 days ago
$248
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Sat, Jan 17 from Washington to Kalispell, returning Wed, Jan 21, priced at $248 found 3 days ago
Delta
Sun, Jan 11 - Wed, Jan 21
IAD
Washington
FCA
Kalispell
$249 Roundtrip, just found
$249
Roundtrip
just found
Select Delta flight, departing Sun, Jan 11 from Washington to Kalispell, returning Wed, Jan 21, priced at $249 just found
United
Mon, Feb 2 - Thu, Feb 5
IAD
Washington
FCA
Kalispell
$249 Roundtrip, found 2 days ago
$249
Roundtrip
found 2 days ago
Select United flight, departing Mon, Feb 2 from Washington to Kalispell, returning Thu, Feb 5, priced at $249 found 2 days ago
United
Mon, Feb 2 - Thu, Feb 5
IAD
Washington
FCA
Kalispell
$251 Roundtrip, found 2 days ago
$251
Roundtrip
found 2 days ago
Select United flight, departing Mon, Feb 2 from Washington to Kalispell, returning Thu, Feb 5, priced at $251 found 2 days ago
Delta
Wed, Dec 10 - Sun, Dec 14
IAD
Washington
FCA
Kalispell
$254 Roundtrip, found 1 day ago
$254
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Dec 10 from Washington to Kalispell, returning Sun, Dec 14, priced at $254 found 1 day ago
Alaska Airlines
Sun, Jan 25 - Wed, Jan 28
IAD
Washington
FCA
Kalispell
$256 Roundtrip, found 5 days ago
$256
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Sun, Jan 25 from Washington to Kalispell, returning Wed, Jan 28, priced at $256 found 5 days ago
Delta
Fri, Jan 9 - Tue, Jan 27
IAD
Washington
FCA
Kalispell
$259 Roundtrip, found 3 days ago
$259
Roundtrip
found 3 days ago
Select Delta flight, departing Fri, Jan 9 from Washington to Kalispell, returning Tue, Jan 27, priced at $259 found 3 days ago
Alaska Airlines
Tue, Jan 27 - Sat, Feb 7
IAD
Washington
FCA
Kalispell
$273 Roundtrip, found 1 day ago
$273
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Tue, Jan 27 from Washington to Kalispell, returning Sat, Feb 7, priced at $273 found 1 day ago
Hawaiian Airlines
Mon, Feb 23 - Wed, Mar 11
IAD
Washington
FCA
Kalispell
$305 Roundtrip, found 3 days ago
$305
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Mon, Feb 23 from Washington to Kalispell, returning Wed, Mar 11, priced at $305 found 3 days ago
American Airlines
Tue, Aug 18 - Tue, Aug 25
IAD
Washington
FCA
Kalispell
$384 Roundtrip, found 3 days ago
$384
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Aug 18 from Washington to Kalispell, returning Tue, Aug 25, priced at $384 found 3 days ago

Find the cheapest month to fly from Washington (IAD) to Kalispell (FCA)

June is typically the cheapest month to fly

From $230 - $814 per traveler.

Alternative airports near Kalispell

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

Select flight to Glacier Park Intl. FCA. Cheapest and Closest option available. Average driving time to city center is 13 minutes. Flights from $457
FCA
Glacier Park Intl.
CheapestClosest
Average driving time to city center13 min
Flights from $457

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Glacier Park Intl. Airport (FCA) cost?
Lock in a cheap one-way flight from $124 or cheap return flight from $248 from Washington Dulles Intl. Airport (IAD) to Glacier Park Intl. Airport (FCA) 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 Washington Dulles Intl. Airport (IAD) to Glacier Park Intl. Airport (FCA)?
Planning your trip for January is a good way to save, as it's the cheapest month for flights between IAD and FCA. You'll usually find the lowest prices during the off-season.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to Glacier Park Intl. Airport (FCA)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest IAD to FCA flight.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Glacier Park Intl. Airport (FCA)?
Direct flights from Washington Dulles Intl. Airport (IAD) to Glacier Park Intl. Airport (FCA) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from IAD to FCA?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to Glacier Park Intl. Airport (FCA)?
To avoid possible delays on the Washington Dulles Intl. Airport (IAD) to Glacier Park Intl. Airport (FCA) route, travel before 3 PM. Flights after this time have a 22% higher chance of being canceled.**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 Washington Dulles Intl. Airport (IAD) to Glacier Park Intl. Airport (FCA) last-minute?
Last-minute bookings from IAD to FCA are typically more expensive. To secure the best rates, start searching for flights as soon as possible. That being said, if your travel plans are flexible, it's possible to score a cheap ticket right before you leave.
Is it cheaper to book an IAD to FCA flight and hotel package?
Booking an IAD to FCA flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Select from our wide range of hotels and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Glacier Park Intl. Airport (FCA)?
In most cases, you can reschedule or cancel your IAD to FCA flight. However, there may be additional fees, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you'd like further details, go to our Customer Service portal.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Glacier Park Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
$248
Distance
1928 mi

Book with confidence

Washington to Kalispell Flights

The cheapest times to fly from Washington to Kalispell

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

 

The best time to book a flight from Washington to Kalispell

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

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 Washington to Kalispell in 2025. You can also book with separate airlines for your outbound and return journeys, from $124 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 Washington to Kalispell 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 Washington to Kalispell 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.

 

Washington to Kalispell Flights

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*Available to One Key members.