HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
District of Columbia

$125+ Cheap flights from Montana to District of Columbia

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — IAD
Jan 16 — Jan 231
Fri 1/16
Fri 1/23
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Montana to District of Columbia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Montana to District of Columbia

Cheapest flights from Montana to District of Columbia
Explore the most affordable flight options available from Montana to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 17, 2025.

This Delta deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2012:15 pmBZN - IAD
1 stop9h 03mDelta
Wed 1/77:30 amIAD - BZN
1 stop8h 50mDelta
Deal found 12/15$390
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3111:29 amBZN - IAD
1 stop9h 37mUnited Airlines
Sun 1/46:20 amIAD - BZN
1 stop9h 17mUnited Airlines
Deal found 12/16$449
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:38 pmMSO - IAD
1 stop6h 45mUnited Airlines
Sun 1/49:47 amIAD - MSO
1 stop8h 23mUnited Airlines
Deal found 12/16$458
This Delta deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2411:52 amBIL - IAD
1 stop9h 26mDelta
Sat 1/3110:47 amIAD - BIL
2 stops10h 37mDelta
Deal found 12/15$490
This Southwest deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1612:40 pmBZN - IAD
1 stop7h 20mSouthwest
Thu 12/185:05 amIAD - BZN
1 stop6h 30mSouthwest
Deal found 12/15$491
This American Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:34 pmBZN - IAD
2 stops21h 53mAmerican Airlines
Sun 1/46:05 amIAD - BZN
1 stop8h 41mAmerican Airlines
Deal found 12/16$508
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/254:14 pmBZN - IAD
1 stop6h 01mUnited Airlines
Tue 12/306:20 amIAD - BZN
1 stop9h 17mUnited Airlines
Deal found 12/16$509
This Delta deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1611:45 amBZN - IAD
2 stops10h 27mDelta
Thu 12/187:15 amIAD - BZN
1 stop9h 03mDelta
Deal found 12/15$516
This Delta deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2411:52 amBIL - IAD
1 stop9h 26mDelta
Mon 1/192:15 pmIAD - BIL
1 stop7h 09mDelta
Deal found 12/15$530
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:10 amHLN - IAD
1 stop8h 29mUnited Airlines
Tue 1/66:20 amIAD - HLN
1 stop9h 21mUnited Airlines
Deal found 12/16$569
This American Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/241:54 pmBIL - IAD
1 stop30h 39mAmerican Airlines
Sat 1/316:00 amIAD - BIL
1 stop9h 36mAmerican Airlines
Deal found 12/15$569
This American Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/171:46 pmBZN - IAD
1 stop7h 13mAmerican Airlines
Mon 12/226:05 amIAD - BZN
1 stop8h 41mAmerican Airlines
Deal found 12/15$585

Find flight deals from Montana to District of Columbia

Keep the following information in mind while searching for Montana to District of Columbia flight deals. Data was last updated December 17, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$283
(United Airlines)

One-way from

$125
(Delta)

Popular in

March

Cheapest in

September

Average price

$452

Good round-trip deal

$359 or less
Provider with most accurate pricing for Bozeman Gallatin Field-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bozeman Gallatin Field-Washington, D.C. (WAS) flights.
Search Deals
From Montana to District of Columbia
Search Deals
One-way flight from Montana to District of Columbia
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($22 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Montana to District of Columbia.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Montana to District of Columbia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 17, 2025.
Use the filters below to find and compare flights from Montana to District of Columbia that are best for you.

Fly from

Montana

Fly to

District of Columbia

Route

Depart

Return

Price

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Sun 1/11

1:40 pm-12:59 am

1 stop9h 19m

Washington, D.C. Dulles Intl

Sat 1/17

4:11 pm-9:59 pm

1 stop7h 48m

$283

BozemanWashington, D.C.

BZN - IAD

BZNIAD

Bozeman Gallatin Field

Tue 1/13

2:00 pm-11:57 pm

1 stop7h 57m

Washington, D.C. Dulles Intl

Fri 1/23

7:00 am-12:55 pm

1 stop7h 55m

$289

BozemanWashington, D.C.

BZN - IAD

BZNIAD

Bozeman Gallatin Field

Thu 3/5

2:00 pm-11:55 pm

1 stop7h 55m

Washington, D.C. Dulles Intl

Tue 3/17

7:00 am-2:34 pm

1 stop9h 34m

$289

BozemanWashington, D.C.

BZN - IAD

BZNIAD

Bozeman Gallatin Field

Sat 1/10

2:39 pm-11:37 pm

1 stop6h 58m

Washington, D.C. Dulles Intl

Sat 1/17

7:30 am-2:20 pm

1 stop8h 50m

$289

BozemanWashington, D.C.

BZN - IAD

BZNIAD

Bozeman Gallatin Field

Mon 3/2

6:25 pm-9:08 am

2 stops12h 43m

Washington, D.C. Dulles Intl

Tue 3/17

7:00 am-2:34 pm

1 stop9h 34m

$294

BozemanWashington, D.C.

BZN - IAD

BZNIAD

Bozeman Gallatin Field

Thu 3/5

6:25 pm-9:08 am

2 stops12h 43m

Washington, D.C. Dulles Intl

Mon 3/16

7:00 am-2:34 pm

1 stop9h 34m

$294

BozemanWashington, D.C.

BZN - IAD

BZNIAD

Bozeman Gallatin Field

Tue 3/3

7:30 am-11:10 pm

1 stop13h 40m

Washington, D.C. Dulles Intl

Mon 3/16

7:00 am-2:34 pm

1 stop9h 34m

$297

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Wed 4/15

3:00 pm-11:29 pm

1 stop6h 29m

Washington, D.C. Dulles Intl

Mon 4/20

6:15 am-1:45 pm

1 stop9h 30m

$305

MissoulaWashington, D.C.

MSO - IAD

MSOIAD

Missoula Johnson-Bell Field

Wed 2/11

6:23 am-4:26 pm

1 stop8h 03m

Washington, D.C. Dulles Intl

Tue 2/24

7:05 am-11:59 pm

1 stop18h 54m

$324

MissoulaWashington, D.C.

MSO - IAD

MSOIAD

Missoula Johnson-Bell Field

Tue 1/13

6:23 am-4:26 pm

1 stop8h 03m

Washington, D.C. Dulles Intl

Tue 1/20

6:04 pm-3:31 pm

1 stop23h 27m

$324

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Montana to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia from Montana with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Montana to District of Columbia

What is the cheapest month to book a flight from Montana to District of Columbia?

Currently, April is the cheapest month in which you can book a flight from Montana to District of Columbia (average of $158). Flying from Montana to District of Columbia in July is currently the most expensive (average of $302). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MT to DC?

Find hourly flight availability from Montana to District of Columbia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 17, 2025.

When flying from Montana to District of Columbia, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 41% versus a flight in the morning.

Reviews of airlines servicing District of Columbia

Get insights into the airlines that provide service to District of Columbia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to District of Columbia. Reviews last updated December 17, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Montana to District of Columbia to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,250 reviews

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Overall

7.9

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
7.9
Good
4,250 reviews
Southwest
7.9
Good
4,250 reviews

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Overall

7.9

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,005 reviews
Southwest
7.9
Good
4,250 reviews

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Overall

7.9

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,091 reviews
Southwest
7.9
Good
4,250 reviews

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Overall

7.9

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,054 reviews
Southwest
7.9
Good
4,250 reviews

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Overall

7.9

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Montana to District of Columbia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Montana to District of Columbia?

    A quick flight from Montana to District of Columbia can take about 7h 57m. United Airlines provides one of the quickest options available for as low as $289. Airlines will cover a distance of 1768 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Montana to District of Columbia that include hotel bookings?

    Yes. In addition to deals on Montana to District of Columbia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Montana to District of Columbia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montana to District of Columbia.

  • Can I find deals for business class flights from Montana to District of Columbia?

    Yes. Cheapflights offers flight deals from Montana to District of Columbia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Montana to District of Columbia?

    Currently, April is the cheapest month in which you can book a flight from Montana to District of Columbia (average of $158). Flying from Montana to District of Columbia in July is currently the most expensive (average of $302). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Montana to District of Columbia

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Miami flights
Newark to Fort Lauderdale flights
Newark to Miami flights
LaGuardia to Fort Lauderdale flights
LaGuardia to Miami flights
John F Kennedy Intl to Fort Lauderdale flights
Los Angeles to John F Kennedy Intl flights
John F Kennedy Intl to Los Angeles flights
John F Kennedy Intl to Las Vegas flights
John F Kennedy Intl to Orlando flights
Dallas/Fort Worth to John F Kennedy Intl flights
Newark to West Palm Beach flights
Los Angeles to Newark flights
Dallas/Fort Worth to LaGuardia flights
John F Kennedy Intl to Dallas/Fort Worth flights
LaGuardia to Orlando flights
Newark to Orlando flights
Newark to Las Vegas flights
Newark to Los Angeles flights
John F Kennedy Intl to West Palm Beach flights
Dallas/Fort Worth to Newark flights
Dallas/Fort Worth to Las Vegas flights
O'Hare Intl to Dallas/Fort Worth flights
LaGuardia to Dallas/Fort Worth flights
O'Hare Intl to Las Vegas flights
Newark to Dallas/Fort Worth flights
Seattle to Dallas/Fort Worth flights
O'Hare Intl to John F Kennedy Intl flights
Seattle to Los Angeles flights
San Francisco to Las Vegas flights
John F Kennedy Intl to Tampa flights
Reagan-National to Miami flights
Minneapolis to Sky Harbor Intl flights
San Francisco to John F Kennedy Intl flights
O'Hare Intl to Fort Lauderdale flights
Baltimore to Fort Lauderdale flights
Seattle to Las Vegas flights
Los Angeles to Seattle flights
Dallas/Fort Worth to O'Hare Intl flights
Fort Lauderdale to Newark flights
Dallas/Fort Worth to Denver flights
Los Angeles to Honolulu flights
Hobby to LaGuardia flights
Atlanta to LaGuardia flights
Atlanta to John F Kennedy Intl flights
Los Angeles to Dallas/Fort Worth flights
John F Kennedy Intl to San Francisco flights
Newark to Tampa flights
Dallas/Fort Worth to Orlando flights
Boston to Miami flights

Top 4 airlines flying from Montana to District of Columbia

Discover the top 4 airlines that operate flights from Montana to District of Columbia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$203Average$458FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$210Average$607FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$220Average$362FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$269Average$561FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.