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Cheap flights from Missoula to Washington, D.C. from $155

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 3/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

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Alaska Airlines Logo
7:00 am - 6:11 pm
MSO
-
IAD
9h 11m
1 stop
Alaska Airlines Logo
7:00 am - 3:35 pm
IAD
-
MSO
10h 35m
1 stop
$309Alaska Airlines
Tue, Mar 31 - Wed, Apr 1
United Airlines Logo
12:40 pm - 9:28 pm
MSO
-
IAD
6h 48m
1 stop
United Airlines Logo
6:20 am - 11:34 am
IAD
-
MSO
7h 14m
1 stop
$335United Airlines
Wed, Aug 5 - Thu, Aug 13
Alaska Airlines Logo
7:55 pm - 7:34 am
MSO
-
IAD
9h 39m
1 stop
Alaska Airlines Logo
6:30 am - 3:23 pm
IAD
-
MSO
10h 53m
1 stop
$361Alaska Airlines
Wed, May 13 - Thu, Sep 3
Delta Logo
1:16 pm - 11:46 pm
MSO
-
IAD
8h 30m
1 stop
Delta Logo
7:20 am - 12:16 pm
IAD
-
MSO
6h 56m
1 stop
$365Delta
Mon, Mar 2 - Tue, Mar 10
Delta Logo
1:16 pm - 11:46 pm
MSO
-
IAD
8h 30m
1 stop
Delta Logo
12:14 pm - 12:24 am
IAD
-
MSO
14h 10m
2 stops
$370Delta
Mon, Mar 2 - Tue, Mar 10
Delta Logo
6:10 pm - 9:13 am
MSO
-
IAD
13h 03m
2 stops
Delta Logo
5:32 pm - 12:24 am
IAD
-
MSO
8h 52m
2 stops
$375Delta
Tue, Mar 3 - Tue, Mar 10
Alaska Airlines Logo
1:53 pm - 11:59 pm
MSO
-
IAD
8h 06m
1 stop
Alaska Airlines Logo
6:05 am - 3:23 pm
IAD
-
MSO
11h 18m
1 stop
$387Alaska Airlines
Thu, May 14 - Fri, Aug 14
Alaska Airlines Logo
4:20 pm - 5:40 am
MSO
-
IAD
11h 20m
1 stop
Alaska Airlines Logo
7:05 am - 11:59 pm
IAD
-
MSO
18h 54m
1 stop
$413Alaska Airlines
Fri, Mar 6 - Sun, Mar 8
Delta Logo
1:16 pm - 11:46 pm
MSO
-
IAD
8h 30m
1 stop
Delta Logo
7:20 am - 12:16 pm
IAD
-
MSO
6h 56m
1 stop
$415Delta
Fri, Feb 27 - Tue, Mar 10
Delta Logo
1:16 pm - 11:46 pm
MSO
-
IAD
8h 30m
1 stop
Delta Logo
2:17 pm - 8:01 pm
IAD
-
MSO
7h 44m
1 stop
$417Delta
Tue, Mar 3 - Fri, Mar 6

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

Our best Alaska Airlines deals on Missoula to Washington, D.C. Dulles Intl Airport flight tickets
Alaska Airlines
Mar 31
MSO7:00 amMissoula Johnson-Bell Field
9h 11m
1 stop
IAD6:11 pmWashington, D.C. Dulles Intl
Apr 1
IAD7:00 amWashington, D.C. Dulles Intl
10h 35m
1 stop
MSO3:35 pmMissoula Johnson-Bell Field
$309
Alaska Airlines
May 13
MSO7:55 pmMissoula Johnson-Bell Field
9h 39m
1 stop
IAD7:34 amWashington, D.C. Dulles Intl
Sep 3
IAD6:30 amWashington, D.C. Dulles Intl
10h 53m
1 stop
MSO3:23 pmMissoula Johnson-Bell Field
$361
Alaska Airlines
May 14
MSO1:53 pmMissoula Johnson-Bell Field
8h 06m
1 stop
IAD11:59 pmWashington, D.C. Dulles Intl
Aug 14
IAD6:05 amWashington, D.C. Dulles Intl
11h 18m
1 stop
MSO3:23 pmMissoula Johnson-Bell Field
$387

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
Mar 2
MSO1:16 pmMissoula Johnson-Bell Field
8h 30m
1 stop
IAD11:46 pmWashington, D.C. Dulles Intl
Mar 10
IAD7:20 amWashington, D.C. Dulles Intl
6h 56m
1 stop
MSO12:16 pmMissoula Johnson-Bell Field
$365
Delta
Mar 2
MSO1:16 pmMissoula Johnson-Bell Field
8h 30m
1 stop
IAD11:46 pmWashington, D.C. Dulles Intl
Mar 10
IAD12:14 pmWashington, D.C. Dulles Intl
14h 10m
2 stops
MSO12:24 amMissoula Johnson-Bell Field
$370
Delta
Mar 3
MSO6:10 pmMissoula Johnson-Bell Field
13h 03m
2 stops
IAD9:13 amWashington, D.C. Dulles Intl
Mar 10
IAD5:32 pmWashington, D.C. Dulles Intl
8h 52m
2 stops
MSO12:24 amMissoula Johnson-Bell Field
$375

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 February 15, 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

MissoulaWashington, D.C.

MSO - IAD

MSOIAD

Missoula Johnson-Bell Field

Tue 3/31

7:00 am-6:11 pm

1 stop9h 11m

Washington, D.C. Dulles Intl

Wed 4/1

7:00 am-3:35 pm

1 stop10h 35m

$309

MissoulaWashington, D.C.

MSO - IAD

MSOIAD

Missoula Johnson-Bell Field

Wed 8/5

12:40 pm-9:28 pm

1 stop6h 48m

Washington, D.C. Dulles Intl

Thu 8/13

6:20 am-11:34 am

1 stop7h 14m

$335

MissoulaWashington, D.C.

MSO - IAD

MSOIAD

Missoula Johnson-Bell Field

Wed 5/13

7:55 pm-7:34 am

1 stop9h 39m

Washington, D.C. Dulles Intl

Thu 9/3

6:30 am-3:23 pm

1 stop10h 53m

$361

MissoulaWashington, D.C.

MSO - IAD

MSOIAD

Missoula Johnson-Bell Field

Mon 3/2

1:16 pm-11:46 pm

1 stop8h 30m

Washington, D.C. Dulles Intl

Tue 3/10

7:20 am-12:16 pm

1 stop6h 56m

$365

MissoulaWashington, D.C.

MSO - IAD

MSOIAD

Missoula Johnson-Bell Field

Mon 3/2

1:16 pm-11:46 pm

1 stop8h 30m

Washington, D.C. Dulles Intl

Tue 3/10

12:14 pm-12:24 am

2 stops14h 10m

$370

MissoulaWashington, D.C.

MSO - IAD

MSOIAD

Missoula Johnson-Bell Field

Tue 3/3

6:10 pm-9:13 am

2 stops13h 03m

Washington, D.C. Dulles Intl

Tue 3/10

5:32 pm-12:24 am

2 stops8h 52m

$375

MissoulaWashington, D.C.

MSO - IAD

MSOIAD

Missoula Johnson-Bell Field

Thu 5/14

1:53 pm-11:59 pm

1 stop8h 06m

Washington, D.C. Dulles Intl

Fri 8/14

6:05 am-3:23 pm

1 stop11h 18m

$387

MissoulaWashington, D.C.

MSO - IAD

MSOIAD

Missoula Johnson-Bell Field

Fri 3/6

4:20 pm-5:40 am

1 stop11h 20m

Washington, D.C. Dulles Intl

Sun 3/8

7:05 am-11:59 pm

1 stop18h 54m

$413

MissoulaWashington, D.C.

MSO - IAD

MSOIAD

Missoula Johnson-Bell Field

Fri 2/27

1:16 pm-11:46 pm

1 stop8h 30m

Washington, D.C. Dulles Intl

Tue 3/10

7:20 am-12:16 pm

1 stop6h 56m

$415

MissoulaWashington, D.C.

MSO - IAD

MSOIAD

Missoula Johnson-Bell Field

Tue 3/3

1:16 pm-11:46 pm

1 stop8h 30m

Washington, D.C. Dulles Intl

Fri 3/6

2:17 pm-8:01 pm

1 stop7h 44m

$417

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, June 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 $339. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of June, 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

6h 11m

Direct flights

None
The fastest flight from Missoula to Washington, D.C. Dulles Intl Airport takes 6h 11m
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

  • 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 6h 11m.

  • 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
7.9
8,205 reviews
Search Delta flights
United AirlinesPriceFrom $360Free CancellationRating
7.4
9,296 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $385Free CancellationRating
8.0
11,885 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
Gettysburg
Arlington
Winchester
Waldorf
Woodbridge
Laurel
Colonial Beach
Tysons
Silver Spring
Towson
Fredericksburg
Gaithersburg
Rockville
Manassas
Springfield
Sterling
Fairfax
Linthicum Heights

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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