Cheap Flights from Washington Dulles to Kalispell

Compare Washington Dulles to Kalispell flight deals

Find the cheapest month or even day of the year to fly to Kalispell

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Flight deals from Washington Dulles to Kalispell

Looking for a cheap last-minute deal or the best round-trip flight from Washington Dulles to Kalispell? Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Washington Dulles to Kalispell

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington Dulles to Kalispell flights are currently cheapest in May.

Washington Dulles to Kalispell: Alternative routes

Compare routes from Washington Dulles to Kalispell below. You may find an airport to fly into that's cheaper, faster, or easier than Kalispell.

Washington, D.C. to Kalispell: Flight information

The things to know before you go.
Cheapest flight foundAED 1,213
Cheapest month to flyMay

Finding cheap flights from Washington Dulles to Kalispell: Frequently asked questions

The best price we found for a round-trip flight from Washington Dulles to Kalispell is AED 1,213. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Washington Dulles to Kalispell. But we found flights with one or more stops from AED 1,213.
There are no flights flying from Washington Dulles to Kalispell, as of February 2026.
The cheapest month to fly from Washington Dulles to Kalispell is usually May.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Dulles Airport to Kalispell Airport on Sunday, May 10, 2026.
No airlines currently offer direct flights between Washington Dulles Airport and Kalispell Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Kalispell but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Kalispell is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Delta offers the cheapest flight tickets to Kalispell.

Traveling from Washington Dulles International Airport (IAD) to Glacier Park International Airport (FCA): what you need to know

  • Your IAD to FCA flight won't wait if you're late, so get to the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're traveling internationally.

  • Be prepared for longer queues in popular months such as April. Arriving up to four hours in advance for international flights and two hours for domestic departures will give you ample time for security and boarding.

  • If you'd like to add a stop to your trip, simply deselect 'Direct flights only' when searching for your ticket from Washington Dulles International Airport to Glacier Park International Airport. These are the top stopovers between IAD and FCA:

    • Denver International Airport

    • O'Hare International Airport

    • Minneapolis-St. Paul International Airport

How to find the cheapest flights from Washington Dulles International Airport (IAD) to Glacier Park International Airport (FCA)

  • Right now, AED 843 is the lowest price we've found for a one-way Washington Dulles International Airport to Glacier Park International Airport flight. The best price for a return plane ticket is AED 1,213. Keep in mind that fares may change due to availability when booking.

  • It's often best to book in advance if you're looking for cheap tickets from IAD to FCA. That's because airlines change prices based on demand, which tends to increase closer to the date of departure.

  • The 'Whole month' search function shows you the cheapest flights from Washington Dulles International Airport to Glacier Park International Airport throughout the entire month. It's a great way to find a bargain if your travel plans aren't set in stone.

  • Never miss a deal on cheap flights from IAD to FCA by setting up a Price Alert. You'll receive an email or push notification on the app when fares go down.

  • Find the perfect flight for you by using the filters. To see the 'Fastest,' 'Cheapest' or 'Best' flights from Washington Dulles International Airport to Glacier Park International Airport, use the 'Sort by' function. You can also filter by airline, arrival and departure times, and journey duration.

Handy information about Washington Dulles International Airport (IAD)

  • The address for IAD is 1 Saarinen Circle.

  • Of all flights leaving Washington Dulles International Airport, 74.39% land on time at their destination.

  • To reach Washington Dulles International Airport from central Washington DC, it takes around 50 minutes if you're going by car. This depends on traffic though. It's approximately 56 kilometers from the airport to the city center.

  • Catching public transport? Expect a trip time of around 3 hours 25 minutes.

  • Get your trip off to a stress-free start by staying near IAD. Whether you've booked an early flight from Washington Dulles International Airport to Glacier Park International Airport or just don't want to be rushed, these hotels are the answer:

Arriving at Glacier Park International Airport (FCA)

Getting from Glacier Park International Airport (FCA) to central Kalispell

  • The address for FCA is 4170 Highway 2 East.

  • Glacier Park International Airport to the center of Kalispell has a drive time of around 20 minutes. It's approximately 16 kilometers away.

When to fly to Glacier Park International Airport (FCA)

  • July is the busiest month for flights from Washington Dulles International Airport to Glacier Park International Airport. To skip the crowds, head to Kalispell in November.

  • The warmest month in Kalispell is July, with temperatures ranging between 7ºC (45ºF) and 32ºC (90ºF). Book your flights from Washington Dulles International Airport to Glacier Park International Airport in this month if this is the type of weather you enjoy.

  • Search for cheap tickets from IAD to FCA in February if you like traveling in cooler conditions. Temperatures are at their lowest around then, ranging between -17ºC (1ºF) and 1ºC (34ºF) on average.

Explore more of United States

  • Spokane is just one of the many cities in United States waiting to be discovered after you've experienced Kalispell. Around 241 kilometers away to the west, its top attractions include Manito Park, Northwest Museum of Arts & Culture and Spokane Falls.

  • Spokane Valley is another sought-after destination in United States and is around 225 kilometers west of Kalispell. No journey is complete without visiting Splash Down Waterpark, The Ref Sports Bar and Bead Lake Loop.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.