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

View $124 flight on Sat, Feb 7, 2026Opens in a new window

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

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Cheap Flights from Kalispell to Washington (FCA-IAD)

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
Wed, Feb 11 - Mon, Feb 23
FCA
Kalispell
IAD
Washington
$248 Roundtrip, found 3 days ago
$248
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Wed, Feb 11 from Kalispell to Washington, returning Mon, Feb 23, priced at $248 found 3 days ago
Delta
Tue, Apr 14 - Tue, Apr 28
FCA
Kalispell
IAD
Washington
$249 Roundtrip, found 3 days ago
$249
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Apr 14 from Kalispell to Washington, returning Tue, Apr 28, priced at $249 found 3 days ago
United
Fri, Feb 27 - Tue, Mar 3
FCA
Kalispell
IAD
Washington
$249 Roundtrip, found 4 days ago
$249
Roundtrip
found 4 days ago
Select United flight, departing Fri, Feb 27 from Kalispell to Washington, returning Tue, Mar 3, priced at $249 found 4 days ago
United
Fri, Feb 27 - Tue, Mar 3
FCA
Kalispell
IAD
Washington
$251 Roundtrip, found 4 days ago
$251
Roundtrip
found 4 days ago
Select United flight, departing Fri, Feb 27 from Kalispell to Washington, returning Tue, Mar 3, priced at $251 found 4 days ago
Delta
Wed, Nov 19 - Thu, Dec 4
FCA
Kalispell
IAD
Washington
$254 Roundtrip, found 4 days ago
$254
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Nov 19 from Kalispell to Washington, returning Thu, Dec 4, priced at $254 found 4 days ago
Alaska Airlines
Tue, Feb 10 - Mon, Feb 23
FCA
Kalispell
IAD
Washington
$273 Roundtrip, found 3 days ago
$273
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Tue, Feb 10 from Kalispell to Washington, returning Mon, Feb 23, priced at $273 found 3 days ago
Delta
Thu, Jan 15 - Tue, Feb 3
FCA
Kalispell
IAD
Washington
$279 Roundtrip, found 6 days ago
$279
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Jan 15 from Kalispell to Washington, returning Tue, Feb 3, priced at $279 found 6 days ago
Alaska Airlines
Fri, Feb 27 - Tue, Mar 3
FCA
Kalispell
IAD
Washington
$282 Roundtrip, found 4 days ago
$282
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Fri, Feb 27 from Kalispell to Washington, returning Tue, Mar 3, priced at $282 found 4 days ago
Hawaiian Airlines
Tue, Feb 10 - Fri, Feb 27
FCA
Kalispell
IAD
Washington
$298 Roundtrip, found 3 days ago
$298
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Tue, Feb 10 from Kalispell to Washington, returning Fri, Feb 27, priced at $298 found 3 days ago
American Airlines
Fri, Jun 5 - Fri, Jun 12
FCA
Kalispell
IAD
Washington
$799 Roundtrip, found 2 days ago
$799
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Jun 5 from Kalispell to Washington, returning Fri, Jun 12, priced at $799 found 2 days ago

Alternative airports near Washington

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

Select flight to Ronald Reagan Washington National DCA. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $274
DCA
Ronald Reagan Washington National
CheapestClosest
Average driving time to city center8 min
Flights from $274

Frequently asked questions

How much does a flight from Glacier Park Intl. Airport (FCA) to Washington Dulles Intl. Airport (IAD) cost?
Grab a cheap one-way flight from $124 or cheap return flight from $248 from Glacier Park Intl. Airport (FCA) to Washington Dulles Intl. Airport (IAD) 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 Glacier Park Intl. Airport (FCA) to Washington Dulles Intl. Airport (IAD)?
Flying in February may help you find better deals, as it's the cheapest month for flights between FCA and IAD. You'll often find the lowest prices during off-peak months.
What is the cheapest airline that flies from Glacier Park Intl. Airport (FCA) to Washington Dulles Intl. Airport (IAD)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll fly you from FCA to IAD. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.
How many flights per day from Glacier Park Intl. Airport (FCA) to Washington Dulles Intl. Airport (IAD)?
Nonstop flights from Glacier Park Intl. Airport (FCA) to Washington Dulles Intl. Airport (IAD) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from FCA to IAD?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*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 Washington Dulles Intl. Airport (IAD)?
To arrive at Washington Dulles Intl. Airport (IAD) on time, pick a flight that takes off from Glacier Park Intl. Airport (FCA) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Washington Dulles Intl. Airport (IAD) last-minute?
Waiting until right before your break to book your flight from FCA to IAD often results in higher prices. While you might find some last-minute discounts, they aren't always guaranteed. Be flexible with your travel plans to boost your chances of landing a bargain.
Is it cheaper to book a FCA to IAD flight and hotel package?
Booking a FCA to IAD flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Choose from our extensive range of stays and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Glacier Park Intl. Airport (FCA) to Washington Dulles Intl. Airport (IAD)?
In most cases, you can cancel or reschedule your FCA to IAD flight. However, there may be additional charges, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you'd like further details, head to our Customer Service portal.

Travel information

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

Book with confidence

Kalispell to Washington Flights

The cheapest times to fly from Kalispell to Washington

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

 

The best time to book a flight from Kalispell to Washington

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

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 Washington 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 Kalispell to Washington 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 Washington 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.

 

Kalispell to Washington Flights

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*Available to One Key members.