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Cheap flights from Missoula to Washington, D.C. from $175

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missoula to Washington, D.C. departing on 11/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Missoula to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
2:27 pm - 11:05 pm
MSO
-
IAD
6h 38m
1 stop
United Airlines Logo
4:15 pm - 9:35 pm
IAD
-
MSO
7h 20m
1 stop
$349United Airlines
Wed, Nov 4 - Tue, Nov 17
Delta Logo
6:10 pm - 9:49 am
MSO
-
IAD
13h 39m
2 stops
Delta Logo
7:15 am - 12:36 pm
IAD
-
MSO
7h 21m
1 stop
$354Delta
Sat, Dec 19 - Tue, Jan 5
Delta Logo
5:30 am - 4:42 pm
MSO
-
IAD
9h 12m
2 stops
Delta Logo
5:25 pm - 11:47 pm
IAD
-
MSO
8h 22m
2 stops
$359Delta
Tue, Aug 25 - Fri, Aug 28
American Airlines Logo
1:25 pm - 10:52 pm
MSO
-
IAD
7h 27m
1 stop
American Airlines Logo
6:09 am - 12:35 pm
IAD
-
MSO
8h 26m
1 stop
$384American Airlines
Thu, Sep 3 - Mon, Sep 7
Delta Logo
6:24 pm - 9:12 am
MSO
-
IAD
12h 48m
2 stops
Delta Logo
7:00 am - 12:30 pm
IAD
-
MSO
7h 30m
1 stop
$409Delta
Thu, Oct 29 - Mon, Nov 2
Delta Logo
6:24 pm - 9:12 am
MSO
-
IAD
12h 48m
2 stops
Delta Logo
4:44 pm - 12:21 am
IAD
-
MSO
9h 37m
2 stops
$414Delta
Thu, Oct 29 - Mon, Nov 2
American Airlines Logo
1:25 pm - 10:52 pm
MSO
-
IAD
7h 27m
1 stop
American Airlines Logo
6:09 am - 12:35 pm
IAD
-
MSO
8h 26m
1 stop
$419American Airlines
Thu, Sep 3 - Mon, Sep 7
Alaska Airlines Logo
7:00 am - 5:40 am
MSO
-
IAD
20h 40m
1 stop
Alaska Airlines Logo
7:00 am - 3:17 pm
IAD
-
MSO
10h 17m
1 stop
$425Alaska Airlines
Mon, Sep 14 - Sat, Sep 19
American Airlines Logo
5:52 pm - 9:57 am
MSO
-
IAD
14h 05m
2 stops
American Airlines Logo
6:09 am - 12:35 pm
IAD
-
MSO
8h 26m
1 stop
$448American Airlines
Tue, Aug 25 - Fri, Aug 28
American Airlines Logo
1:25 pm - 10:52 pm
MSO
-
IAD
7h 27m
1 stop
American Airlines Logo
6:09 am - 12:35 pm
IAD
-
MSO
8h 26m
1 stop
$449American Airlines
Thu, Aug 27 - Wed, Sep 2

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United Airlines flights from Missoula to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Missoula to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Nov 4
MSO2:27 pmMissoula Johnson-Bell Field
6h 38m
1 stop
IAD11:05 pmWashington, D.C. Dulles Intl
Nov 17
IAD4:15 pmWashington, D.C. Dulles Intl
7h 20m
1 stop
MSO9:35 pmMissoula Johnson-Bell Field
$349
United Airlines
Oct 30
MSO2:27 pmMissoula Johnson-Bell Field
6h 38m
1 stop
IAD11:05 pmWashington, D.C. Dulles Intl
Nov 2
IAD2:19 pmWashington, D.C. Dulles Intl
9h 16m
1 stop
MSO9:35 pmMissoula Johnson-Bell Field
$467
United Airlines
Aug 6
MSO7:15 amMissoula Johnson-Bell Field
9h 33m
1 stop
IAD6:48 pmWashington, D.C. Dulles Intl
Aug 9
IAD6:10 amWashington, D.C. Dulles Intl
7h 22m
1 stop
MSO11:32 amMissoula Johnson-Bell Field
$504

Delta flights from Missoula to Washington, D.C. Dulles Intl Airport

Our best Delta deals on Missoula to Washington, D.C. Dulles Intl Airport flight tickets
Delta
Dec 19
MSO6:10 pmMissoula Johnson-Bell Field
13h 39m
2 stops
IAD9:49 amWashington, D.C. Dulles Intl
Jan 5
IAD7:15 amWashington, D.C. Dulles Intl
7h 21m
1 stop
MSO12:36 pmMissoula Johnson-Bell Field
$354
Delta
Aug 25
MSO5:30 amMissoula Johnson-Bell Field
9h 12m
2 stops
IAD4:42 pmWashington, D.C. Dulles Intl
Aug 28
IAD5:25 pmWashington, D.C. Dulles Intl
8h 22m
2 stops
MSO11:47 pmMissoula Johnson-Bell Field
$359
Delta
Oct 29
MSO6:24 pmMissoula Johnson-Bell Field
12h 48m
2 stops
IAD9:12 amWashington, D.C. Dulles Intl
Nov 2
IAD7:00 amWashington, D.C. Dulles Intl
7h 30m
1 stop
MSO12:30 pmMissoula Johnson-Bell Field
$409

momondo Fare Finder

 
Customize your flight search to find flights from Missoula to Washington, D.C. Dulles Intl Airport 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, momondo users made 832,500 searches. Data last updated July 10, 2026.
Use the filters below to find and compare flights from Missoula to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

MissoulaWashington, D.C.

MSO - IAD

MSOIAD

Missoula Johnson-Bell Field

Wed 11/4

2:27 pm-11:05 pm

1 stop6h 38m

Washington, D.C. Dulles Intl

Tue 11/17

4:15 pm-9:35 pm

1 stop7h 20m

$349

MissoulaWashington, D.C.

MSO - IAD

MSOIAD

Missoula Johnson-Bell Field

Sat 12/19

6:10 pm-9:49 am

2 stops13h 39m

Washington, D.C. Dulles Intl

Tue 1/5

7:15 am-12:36 pm

1 stop7h 21m

$354

MissoulaWashington, D.C.

MSO - IAD

MSOIAD

Missoula Johnson-Bell Field

Tue 8/25

5:30 am-4:42 pm

2 stops9h 12m

Washington, D.C. Dulles Intl

Fri 8/28

5:25 pm-11:47 pm

2 stops8h 22m

$359

MissoulaWashington, D.C.

MSO - IAD

MSOIAD

Missoula Johnson-Bell Field

Thu 9/3

1:25 pm-10:52 pm

1 stop7h 27m

Washington, D.C. Dulles Intl

Mon 9/7

6:09 am-12:35 pm

1 stop8h 26m

$384

MissoulaWashington, D.C.

MSO - IAD

MSOIAD

Missoula Johnson-Bell Field

Thu 10/29

6:24 pm-9:12 am

2 stops12h 48m

Washington, D.C. Dulles Intl

Mon 11/2

7:00 am-12:30 pm

1 stop7h 30m

$409

MissoulaWashington, D.C.

MSO - IAD

MSOIAD

Missoula Johnson-Bell Field

Thu 10/29

6:24 pm-9:12 am

2 stops12h 48m

Washington, D.C. Dulles Intl

Mon 11/2

4:44 pm-12:21 am

2 stops9h 37m

$414

MissoulaWashington, D.C.

MSO - IAD

MSOIAD

Missoula Johnson-Bell Field

Thu 9/3

1:25 pm-10:52 pm

1 stop7h 27m

Washington, D.C. Dulles Intl

Mon 9/7

6:09 am-12:35 pm

1 stop8h 26m

$419

MissoulaWashington, D.C.

MSO - IAD

MSOIAD

Missoula Johnson-Bell Field

Mon 9/14

7:00 am-5:40 am

1 stop20h 40m

Washington, D.C. Dulles Intl

Sat 9/19

7:00 am-3:17 pm

1 stop10h 17m

$425

MissoulaWashington, D.C.

MSO - IAD

MSOIAD

Missoula Johnson-Bell Field

Tue 8/25

5:52 pm-9:57 am

2 stops14h 05m

Washington, D.C. Dulles Intl

Fri 8/28

6:09 am-12:35 pm

1 stop8h 26m

$448

MissoulaWashington, D.C.

MSO - IAD

MSOIAD

Missoula Johnson-Bell Field

Thu 8/27

1:25 pm-10:52 pm

1 stop7h 27m

Washington, D.C. Dulles Intl

Wed 9/2

6:09 am-12:35 pm

1 stop8h 26m

$449

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Washington, D.C. from

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

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 Washington, D.C. Dulles Intl Airport?

In general, July is the cheapest month to fly from Missoula to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $360. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of July, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $400.

When to book flights from Missoula to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Missoula to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Missoula to Washington, D.C. Dulles Intl Airport (MSO to IAD) flight deals and tips

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

Fastest flight time

7h 48m

Direct flights

None
The fastest flight from Missoula to Washington, D.C. Dulles Intl Airport takes 7h 48m
There are no direct flights from Missoula to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Missoula to Washington, D.C. Dulles Intl Airport.
Search flight deals

Frequently asked questions about flying from Missoula to Washington, D.C. Dulles Intl Airport

  • How far is Missoula Johnson-Bell Field to Washington, D.C. Dulles Intl by plane?

    Washington, D.C. Dulles Intl is 1908.0 mi away from Missoula Johnson-Bell Field. In terms of flight time, this usually takes a little over 7h 48m.

  • When did momondo last update prices for flights from Missoula Johnson-Bell Field Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Missoula Johnson-Bell Field Airport to Washington, D.C. Dulles Intl Airport refresh daily.

  • How many operators does momondo search for flights from Missoula Johnson-Bell Field Airport to Washington, D.C. Dulles Intl Airport?

  • How old do you have to be to fly from Missoula Johnson-Bell Field Airport to Washington, D.C. Dulles Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Missoula Johnson-Bell Field Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The required travel and health documents for your Washington, D.C. Dulles Intl Airport 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 Washington, D.C. Dulles Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Missoula to Washington, D.C. Dulles Intl Airport?

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

Compare and see reviews for airlines that fly from Missoula to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $277Free CancellationRating
7.8
8,453 reviews
Search Delta flights
United AirlinesPriceFrom $360Free CancellationRating
7.4
9,963 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $384Free CancellationRating
7.9
12,644 reviews
Search Alaska Airlines flights

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Arlington
Gettysburg
Winchester
Waldorf
Laurel
Woodbridge
Fredericksburg
Gaithersburg
Linthicum Heights
Rockville
Colonial Beach
Towson
Manassas
Silver Spring
Sterling
Tysons
Springfield
Fairfax

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Missoula to Washington, D.C.. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Missoula to Washington, D.C. flights to just show those with flexible booking policies.

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

Once you have performed a search for Missoula to Washington, D.C. 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 Missoula to Washington, D.C. right now. Can momondo alert me if prices change?

Price alerts on flights to Washington, D.C. from Missoula are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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