What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Montana?

Southwest, United Airlines, and Alaska Airlines are the most popular carriers operating from Washington, D.C. Dulles Intl to Montana

What airlines fly to Montana?

United Airlines, Delta and Southwest are the top three most popular airlines that fly to Montana from Washington, D.C. Dulles Intl Airport according to our data. United Airlines is the first choice among our users, with 67% of people opting to fly with this airline when traveling to Montana. Keep in mind that there are 5 different airlines that fly to Montana on a routine basis, so you have a few additional options to choose from.

How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Montana?

The number of operators available for flights from Washington, D.C. Dulles Intl Airport to Montana is 5 as of November 2025.

How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Montana?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Montana.

What documentation or ID do you need to fly to Montana?

The required travel and health documents for your Montana trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Montana. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$125 Cheap Flights from Washington, D.C. Dulles Intl Airport to Montana in 2025/26

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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Montana

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:04 pm - 12:14 pmIAD-FCA

20h 10m1 stop

6:25 am - 4:26 pmFCA-IAD

8h 01m1 stop

$248Alaska Airlines

Find Deal

Mon, Jan 26 - Sat, Jan 31

6:00 am - 12:55 pmIAD-BZN

8h 55m1 stop

1:46 pm - 10:59 pmBZN-IAD

7h 13m1 stop

$249American Airlines

Find Deal

Thu, Dec 4 - Wed, Dec 10

4:11 pm - 9:59 pmIAD-FCA

7h 48m1 stop

1:40 pm - 12:59 amFCA-IAD

9h 19m1 stop

$249United Airlines

Find Deal

Mon, Jan 26 - Sat, Jan 31

6:29 pm - 12:03 pmIAD-BZN

19h 34m1 stop

12:46 pm - 5:04 pmBZN-IAD

26h 18m1 stop

$269Alaska Airlines

Find Deal

Mon, Jan 5 - Sat, Jan 10

8:30 am - 11:21 amIAD-BZN

4h 51mnonstop

3:00 pm - 8:48 pmBZN-IAD

3h 48mnonstop

$289United Airlines

Find Deal

Sat, Jan 24 - Sat, Jan 31

5:26 pm - 12:06 pmIAD-BZN

20h 40m1 stop

12:00 pm - 4:26 pmBZN-IAD

26h 26m1 stop

$297Alaska Airlines

Find Deal

Fri, Jan 23 - Mon, Jan 26

7:30 am - 2:20 pmIAD-BZN

8h 50m1 stop

2:39 pm - 12:24 amBZN-IAD

7h 45m1 stop

$307Delta

Find Deal

Sat, Jan 24 - Tue, Jan 27

6:56 pm - 11:37 pmIAD-BZN

6h 41m1 stop

2:17 pm - 12:02 amBZN-IAD

7h 45m1 stop

$309Delta

Find Deal

Fri, Dec 12 - Wed, Dec 17

7:50 pm - 12:15 amIAD-BZN

6h 25m1 stop

12:40 pm - 10:00 pmBZN-IAD

7h 20m1 stop

$329Southwest

Find Deal

Fri, Dec 12 - Tue, Dec 16

5:30 pm - 10:15 pmIAD-BZN

6h 45m1 stop

7:40 am - 3:50 pmBZN-IAD

6h 10m1 stop

$340Southwest

Find Deal

Tue, Feb 3 - Sun, Feb 8

Alaska Airlines flights from Washington, D.C. Dulles Intl Airport to Montana

Our best Alaska Airlines deals on Washington, D.C. Dulles Intl Airport to Montana flight tickets

Alaska Airlines

Jan 26

IAD6:04 pmWashington, D.C. Dulles Intl

20h 10m

1 stop

FCA12:14 pmKalispell Glacier Park

Jan 31

FCA6:25 amKalispell Glacier Park

8h 01m

1 stop

IAD4:26 pmWashington, D.C. Dulles Intl

$248

Find similar

Alaska Airlines

Jan 5

IAD6:29 pmWashington, D.C. Dulles Intl

19h 34m

1 stop

BZN12:03 pmBozeman Gallatin Field

Jan 10

BZN12:46 pmBozeman Gallatin Field

26h 18m

1 stop

IAD5:04 pmWashington, D.C. Dulles Intl

$269

Find similar

Alaska Airlines

Jan 23

IAD5:26 pmWashington, D.C. Dulles Intl

20h 40m

1 stop

BZN12:06 pmBozeman Gallatin Field

Jan 26

BZN12:00 pmBozeman Gallatin Field

26h 26m

1 stop

IAD4:26 pmWashington, D.C. Dulles Intl

$297

Find similar

Southwest flights from Washington, D.C. Dulles Intl Airport to Montana

Our best Southwest deals on Washington, D.C. Dulles Intl Airport to Montana flight tickets

Southwest

Dec 12

IAD7:50 pmWashington, D.C. Dulles Intl

6h 25m

1 stop

BZN12:15 amBozeman Gallatin Field

Dec 16

BZN12:40 pmBozeman Gallatin Field

7h 20m

1 stop

IAD10:00 pmWashington, D.C. Dulles Intl

$329

Find similar

Southwest

Feb 3

IAD5:30 pmWashington, D.C. Dulles Intl

6h 45m

1 stop

BZN10:15 pmBozeman Gallatin Field

Feb 8

BZN7:40 amBozeman Gallatin Field

6h 10m

1 stop

IAD3:50 pmWashington, D.C. Dulles Intl

$340

Find similar

Southwest

Nov 23

IAD7:50 pmWashington, D.C. Dulles Intl

6h 25m

1 stop

BZN12:15 amBozeman Gallatin Field

Dec 3

BZN12:40 pmBozeman Gallatin Field

7h 20m

1 stop

IAD10:00 pmWashington, D.C. Dulles Intl

$344

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Montana that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Kalispell

IAD - FCA

IADFCA

Washington, D.C. Dulles Intl

Mon 1/26

6:04 pm-12:14 pm

1 stop20h 10m

Kalispell Glacier Park

Sat 1/31

6:25 am-4:26 pm

1 stop8h 01m

$248

Washington, D.C.Bozeman

IAD - BZN

IADBZN

Washington, D.C. Dulles Intl

Thu 12/4

6:00 am-12:55 pm

1 stop8h 55m

Bozeman Gallatin Field

Wed 12/10

1:46 pm-10:59 pm

1 stop7h 13m

$249

Washington, D.C.Kalispell

IAD - FCA

IADFCA

Washington, D.C. Dulles Intl

Mon 1/26

4:11 pm-9:59 pm

1 stop7h 48m

Kalispell Glacier Park

Sat 1/31

1:40 pm-12:59 am

1 stop9h 19m

$249

Washington, D.C.Bozeman

IAD - BZN

IADBZN

Washington, D.C. Dulles Intl

Mon 1/5

6:29 pm-12:03 pm

1 stop19h 34m

Bozeman Gallatin Field

Sat 1/10

12:46 pm-5:04 pm

1 stop26h 18m

$269

Washington, D.C.Bozeman

IAD - BZN

IADBZN

Washington, D.C. Dulles Intl

Sat 1/24

8:30 am-11:21 am

Nonstop4h 51m

Bozeman Gallatin Field

Sat 1/31

3:00 pm-8:48 pm

Nonstop3h 48m

$289

Washington, D.C.Bozeman

IAD - BZN

IADBZN

Washington, D.C. Dulles Intl

Fri 1/23

5:26 pm-12:06 pm

1 stop20h 40m

Bozeman Gallatin Field

Mon 1/26

12:00 pm-4:26 pm

1 stop26h 26m

$297

Washington, D.C.Bozeman

IAD - BZN

IADBZN

Washington, D.C. Dulles Intl

Sat 1/24

7:30 am-2:20 pm

1 stop8h 50m

Bozeman Gallatin Field

Tue 1/27

2:39 pm-12:24 am

1 stop7h 45m

$307

Washington, D.C.Bozeman

IAD - BZN

IADBZN

Washington, D.C. Dulles Intl

Fri 12/12

6:56 pm-11:37 pm

1 stop6h 41m

Bozeman Gallatin Field

Wed 12/17

2:17 pm-12:02 am

1 stop7h 45m

$309

Washington, D.C.Bozeman

IAD - BZN

IADBZN

Washington, D.C. Dulles Intl

Fri 12/12

7:50 pm-12:15 am

1 stop6h 25m

Bozeman Gallatin Field

Tue 12/16

12:40 pm-10:00 pm

1 stop7h 20m

$329

Washington, D.C.Bozeman

IAD - BZN

IADBZN

Washington, D.C. Dulles Intl

Tue 2/3

5:30 pm-10:15 pm

1 stop6h 45m

Bozeman Gallatin Field

Sun 2/8

7:40 am-3:50 pm

1 stop6h 10m

$340

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Montana

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Montana?

The cheapest month to fly to Montana from Washington, D.C. Dulles Intl Airport is in April. Flight prices, which tend to average around $338, are often lower during this time because this is during the off-season. The month of January is another great option to travel to Montana, with average flight prices from Washington, D.C. Dulles Intl Airport averaging around $356.

What is the cheapest day to depart on your flight to Montana?

Our data shows that Sunday is the least expensive day to fly to Montana. Tickets to fly out on this day can be as low as $521. The most expensive day to fly to Montana is Saturday, with ticket prices averaging around $588.

What is the cheapest time of day to depart on your flight to Montana?

The cheapest time of day to fly to Montana is in the morning when flights can be purchased for as low as $566. At noon is when there is more demand to fly to Montana, so prices are often more expensive at around $681 per ticket.

What is the cheapest Washington, D.C. Dulles Intl to Montana flight route?

Fly from Washington, D.C. Dulles Intl to Bozeman Gallatin Field for the best Washington, D.C. Dulles Intl - Montana flight prices

How far in advance should I book a flight to Montana?

You are more likely to see cheaper flights to Montana from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Montana for around $466 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Montana from Washington, D.C. Dulles Intl Airport for as low as $353 on momondo.

What cabin class options are available on Washington, D.C. Dulles Intl to Montana flights?

There are 4 cabin classes available to choose from on Washington, D.C. Dulles Intl to Montana flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Montana flights?

You could potentially save up to 16% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Montana flight.

Cheap Washington, D.C. Dulles Intl Airport to Montana flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Montana

Fastest flight time	4h 46m
Direct flights	Sun
Airports in Montana	1 airport

The fastest flight from Washington, D.C. Dulles Intl Airport to Montana takes 4h 46m

Direct flights go from Washington, D.C. Dulles Intl Airport to Montana on Sunday. There are no airlines offering direct flights.

There is 1 airport near Montana: Bozeman Gallatin Field (BZN)

Search flight deals

When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Montana?
Prices for flights from Washington, D.C. Dulles Intl Airport to Montana refresh daily.
How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Montana?
The number of operators available for flights from Washington, D.C. Dulles Intl Airport to Montana is 5 as of November 2025.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Montana?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Montana.
What documentation or ID do you need to fly to Montana?
The required travel and health documents for your Montana trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Montana. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Washington, D.C. Dulles Intl Airport to Montana?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Washington, D.C. Dulles Intl Airport to Montana is Boeing 737 MAX 8 (64.00% of total bookings). The next most popular plane models are Airbus A319 (8.00%), Boeing 737-700 (8.00%), and Airbus A320-100/200 (8.00%).

Best airlines flying from Washington, D.C. Dulles Intl Airport to Montana

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Montana with momondo

Airline	Rating	Free Cancellation	Price
Southwest	PriceFrom $242	Free Cancellation	Rating 8.0 4,240 reviews	Search Southwest flights
Delta	PriceFrom $256	Free Cancellation	Rating 7.9 8,004 reviews	Search Delta flights
American Airlines	PriceFrom $278	Free Cancellation	Rating 7.2 11,042 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $290	Free Cancellation	Rating 8.0 11,242 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $297	Free Cancellation	Rating 7.4 9,002 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Montana?

Finding the right flight to Montana from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Montana quick and easy, saving you time and money.

Can I find flights from Washington, D.C. to Montana with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Montana from Washington, D.C. with this policy.

How can momondo help me find flights from Washington, D.C. to Montana?

Once you have performed a search for Washington, D.C. to Montana flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Washington, D.C. to Montana right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Montana, momondo offers a useful price alert feature which will track prices for flights to Montana from Washington, D.C. and alert you when they change.

An easier way to manage your Montana trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Popular cities in Montana

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Flights to Las Vegasfrom $42

Flights to San Franciscofrom $57

Flights to Washington, D.C.from $49

Flights to Bostonfrom $49

Flights to Atlantafrom $40

Flights to Dallasfrom $59

Flights to Seattlefrom $58

Washington, D.C. Dulles Intl Airport flight routes

Flights from Washington, D.C. Dulles Intl to Miami

Flights from Washington, D.C. Dulles Intl to Atlanta Hartsfield-Jackson

Flights from Washington, D.C. Dulles Intl to Orlando

Flights from Washington, D.C. Dulles Intl to Knoxville McGhee Tyson

Flights from Washington, D.C. Dulles Intl to South Bend/Michiana

Flights from Washington, D.C. Dulles Intl to Tweed-New Haven

Cheap flights from Washington, D.C. Dulles Intl Airport to Montana from $125

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Big names and deals

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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Montana

Cheap round-trip flights

Cheap one-way flights

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Alaska Airlines flights from Washington, D.C. Dulles Intl Airport to Montana

Our best Alaska Airlines deals on Washington, D.C. Dulles Intl Airport to Montana flight tickets

Southwest flights from Washington, D.C. Dulles Intl Airport to Montana

Our best Southwest deals on Washington, D.C. Dulles Intl Airport to Montana flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Montana that are best for you.

See travel insights to Montana from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Montana

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Montana?

What is the cheapest day to depart on your flight to Montana?

Our data shows that Sunday is the least expensive day to fly to Montana. Tickets to fly out on this day can be as low as $521. The most expensive day to fly to Montana is Saturday, with ticket prices averaging around $588.

What is the cheapest time of day to depart on your flight to Montana?

The cheapest time of day to fly to Montana is in the morning when flights can be purchased for as low as $566. At noon is when there is more demand to fly to Montana, so prices are often more expensive at around $681 per ticket.

What is the cheapest Washington, D.C. Dulles Intl to Montana flight route?

Fly from Washington, D.C. Dulles Intl to Bozeman Gallatin Field for the best Washington, D.C. Dulles Intl - Montana flight prices

How far in advance should I book a flight to Montana?

What cabin class options are available on Washington, D.C. Dulles Intl to Montana flights?

There are 4 cabin classes available to choose from on Washington, D.C. Dulles Intl to Montana flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Montana flights?

You could potentially save up to 16% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Montana flight.

What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Montana?

Southwest, United Airlines, and Alaska Airlines are the most popular carriers operating from Washington, D.C. Dulles Intl to Montana

What airlines fly to Montana?

Cheap Washington, D.C. Dulles Intl Airport to Montana flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Montana

Fastest flight time

Direct flights

Airports in Montana

When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Montana?

How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Montana?

How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Montana?

What documentation or ID do you need to fly to Montana?

What is the most popular plane model from Washington, D.C. Dulles Intl Airport to Montana?

Best airlines flying from Washington, D.C. Dulles Intl Airport to Montana

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Montana with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Montana?

Can I find flights from Washington, D.C. to Montana with flexible booking policies on momondo?

How can momondo help me find flights from Washington, D.C. to Montana?

I’m not ready to book a flight from Washington, D.C. to Montana right now. Can momondo alert me if prices change?

An easier way to manage your Montana trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Montana

Popular cities in Montana

Popular flights according to clicks in the last 7 days on momondo