GTF - IAD

$286 Find Cheap Flights from Great Falls to Washington Dulles Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Great Falls to Dulles Intl departing on 8/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Washington, D.C. Dulles Intl Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Great Falls to Washington, D.C., as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Great Falls to Washington, D.C., as well as popular online travel agencies
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41,299,237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest round-trip
$338
Delta
Tue 10/20Sat 10/24
GTF - IAD • 1 stop
Cheapest one-way
$286
Alaska Airlines
Wed 8/5
GTF - IAD • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Great Falls and Dulles Intl. You'll need at least 1 connection.
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Top layover airports
Cheapest • Avg $677 (round-trip)
Shortest trip • 7h 09m (one-way)
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Dulles Intl!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Great Falls to Dulles Intl (GTF-IAD)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Great Falls to Dulles Intl that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Great Falls to Dulles Intl

Tue, Oct 20 - Sat, Oct 24
Delta Logo
1:10 pm - 11:46 pm
GTF
-
IAD
8h 36m
1 stop
Delta Logo
7:15 am - 12:27 pm
IAD
-
GTF
7h 12m
1 stop
$338Delta
Tue, Oct 20 - Sat, Oct 24
Delta Logo
6:20 pm - 9:11 am
GTF
-
IAD
12h 51m
2 stops
Delta Logo
7:15 am - 12:27 pm
IAD
-
GTF
7h 12m
1 stop
$344Delta
Tue, Oct 20 - Sat, Oct 24
Delta Logo
1:10 pm - 12:05 am
GTF
-
IAD
8h 55m
2 stops
Delta Logo
6:00 am - 5:43 pm
IAD
-
GTF
13h 43m
2 stops
$349Delta
Sat, Oct 24 - Tue, Oct 27
Alaska Airlines Logo
5:15 pm - 5:40 am
GTF
-
IAD
10h 25m
1 stop
Alaska Airlines Logo
9:35 am - 4:35 pm
IAD
-
GTF
9h 00m
1 stop
$388Alaska Airlines
Fri, Jul 3 - Tue, Jul 28
United Airlines Logo
2:37 pm - 12:45 am
GTF
-
IAD
8h 08m
1 stop
United Airlines Logo
6:10 am - 11:46 am
IAD
-
GTF
7h 36m
1 stop
$471United Airlines
Wed, Jul 22 - Mon, Jul 27
Alaska Airlines Logo
5:09 pm - 6:39 am
GTF
-
IAD
11h 30m
1 stop
Alaska Airlines Logo
7:53 pm - 4:29 pm
IAD
-
GTF
22h 36m
2 stops
$515Alaska Airlines
Sat, Jun 6 - Wed, Jun 10
United Airlines Logo
2:37 pm - 11:32 pm
GTF
-
IAD
6h 55m
1 stop
United Airlines Logo
6:30 am - 1:41 pm
IAD
-
GTF
9h 11m
1 stop
$516United Airlines
Wed, Jul 22 - Mon, Jul 27
Alaska Airlines Logo
5:09 pm - 6:39 am
GTF
-
IAD
11h 30m
1 stop
Alaska Airlines Logo
6:14 pm - 4:29 pm
IAD
-
GTF
24h 15m
1 stop
$518Alaska Airlines
Sat, Oct 24 - Tue, Oct 27
United Airlines Logo
2:25 pm - 11:19 pm
GTF
-
IAD
6h 54m
1 stop
United Airlines Logo
8:15 am - 10:30 pm
IAD
-
GTF
16h 15m
2 stops
$557United Airlines
Sat, Oct 24 - Tue, Oct 27
United Airlines Logo
6:15 am - 3:45 pm
GTF
-
IAD
7h 30m
1 stop
United Airlines Logo
8:15 am - 10:30 pm
IAD
-
GTF
16h 15m
2 stops
$567United Airlines
Booking Insights

KAYAK's insights & trends for Great Falls to Dulles Intl flights

Get data-powered insights and trends into flights from Great Falls to Dulles Intl to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Great Falls to Washington Dulles Airport?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 7 days.

In the past 7 days, the cheapest round-trip tickets from Great Falls to Washington Dulles Airport were found on Delta ($338) and Alaska Airlines ($388).

Good to know

Cheapest flight$286
Flight from Great Falls to Washington Dulles Airport

When to book flights from Great Falls to Dulles Intl

Are your dates flexible? Find out the best times to travel from Great Falls to Dulles Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Great Falls to Washington Dulles Airport flights

  • What is the cheapest flight from Great Falls to Washington, D.C. Dulles Intl Airport?

    In the last 7 days, the lowest price for a flight from Great Falls to Washington, D.C. Dulles Intl Airport was $286 for a one-way ticket and $338 for a round-trip.

  • Do I need a passport to fly between Great Falls and Washington Dulles Airport?

    A passport is not required to fly from Great Falls to Washington Dulles Airport.

  • Which airports will I be using when flying from Great Falls to Washington Dulles Airport?

    When flying out of Great Falls you will be using Great Falls. You will be landing at Washington Dulles Airport, also known as Washington, D.C. Dulles Intl.

  • Which aircraft models fly most regularly from Great Falls to Washington Dulles Airport?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from Great Falls to Washington Dulles Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Great Falls to Washington Dulles Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Great Falls to Washington Dulles Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington Dulles Airport from Great Falls is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Great Falls to Washington Dulles Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Washington Dulles Airport with an airline and back to Great Falls with another airline. Booking your flights between Great Falls and IAD can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Great Falls to Washington Dulles Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington Dulles Airport from Great Falls up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Great Falls to Dulles Intl

Information on your arrival and departure airports