CA $432 Cheap Flights from Washington (IAD) to Kalispell (FCA)

Start packing your bags, because round-trip flights between Dulles Intl. Airport and Glacier Park Intl. Airport start from CA $725. That's based on airfares available within the last 7 days on Expedia for flights departing within the next year. Prices can increase quickly, so book today to get the best deal. Prices and availability are subject to change. Additional terms apply.

Each airline has its own terms and conditions. If you decide to cancel your getaway, visit our Customer Service Portal.

Select our "No change fees" filter to find flexible ticketing options for your flight from Dulles Intl. Airport to Glacier Park Intl. Airport. This allows you to lock in a good price ahead of time and still have the freedom to make changes without any extra fees. Fare adjustments may apply if your new flight is more expensive.

Lasting around 6 hours and 59 minutes, the flight between Dulles Intl. Airport and Glacier Park Intl. Airport is a great opportunity to do some last-minute planning. Why not use this time to organize your itinerary in Kalispell?

The flying distance from IAD to FCA is 3,100 kilometres. Work your way through your travel song playlist or make a start on the latest bestseller and the trip will whiz by.

You won't find any airlines flying directly between Dulles Intl. Airport and Glacier Park Intl. Airport (FCA), so be prepared to make at least one stop on your journey. A layover, whether short or long, can be a welcome way to break up a trip!

Last-minute planners can sometimes score a bargain, with some super cheap airfares from Washington Dulles Intl. Airport (IAD) to Glacier Park Intl. Airport appearing a few weeks before the departure date. If you'd rather plan ahead of time, Expedia compares and updates the best flight deals continuously — as early as a year in advance in some cases. It does depend on the carrier though, as not all airlines quote prices so far in advance.