$203 Cheap Flights from Washington (IAD) to Great Falls (GTF)

Popular airlines from Washington Dulles Intl. Airport (IAD) to Great Falls, MT (GTF-Great Falls Intl.)

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Cheap Flights from Washington to Great Falls (IAD-GTF)

Prices were available within the past 7 days and start at $203 for one-way flights and $294 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Hawaiian Airlines
Hawaiian Airlines
Alaska Airlines
Alaska Airlines
Hawaiian Airlines
Hawaiian Airlines
Hawaiian Airlines
Delta
United

Alternative airports near Great Falls

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

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Great Falls Intl. Airport (GTF) cost?
Get a cheap one-way flight from $203 or cheap return flight from $294 from Washington Dulles Intl. Airport (IAD) to Great Falls Intl. Airport (GTF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Washington Dulles Intl. Airport (IAD) to Great Falls Intl. Airport (GTF)?
Planning your getaway for November may help you find better deals, as it's the cheapest month for flights between IAD and GTF. You'll often find the lowest fares during off-peak months.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to Great Falls Intl. Airport (GTF)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest IAD to GTF flight.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Great Falls Intl. Airport (GTF)?
You'll need to catch a flight with a layover if you're traveling from Washington Dulles Intl. Airport (IAD) to Great Falls Intl. Airport (GTF). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from IAD to GTF?
Usually you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can vary based on the airline, time of year and other factors.*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 Great Falls Intl. Airport (GTF)?
To arrive at Great Falls Intl. Airport (GTF) on time, select a flight that leaves Washington Dulles Intl. Airport (IAD) 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 Washington Dulles Intl. Airport (IAD) to Great Falls Intl. Airport (GTF) last-minute?
Waiting until just before your trip to book your flight from IAD to GTF often results in higher prices. While you might find some last-minute offers, they aren't always guaranteed. Keep your travel plans flexible for a better chance of landing a bargain.
Is it cheaper to book an IAD to GTF flight and hotel package?
You can save money by securing an IAD to GTF flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. Once you've chosen 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 Washington Dulles Intl. Airport (IAD) to Great Falls Intl. Airport (GTF)?
In most instances, you're able to cancel or reschedule your IAD to GTF flight. However, there may be additional fees, especially if you booked over 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you want further details, go to our Customer Service portal.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Great Falls Intl.
Airlines serving
Alaska Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
$294
Distance
1789 mi

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