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Cheap flights from Missoula to Washington, D.C. from $173

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 5/29. 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

Enter your travel dates to find the best prices.
Delta Logo
3:30 pm - 11:39 pm
MSO
-
IAD
6h 09m
1 stop
Delta Logo
6:58 pm - 11:40 pm
IAD
-
MSO
6h 42m
1 stop
$320Delta
Fri, May 29 - Mon, Jun 1
Delta Logo
5:05 am - 6:43 pm
MSO
-
IAD
11h 38m
2 stops
Delta Logo
6:58 pm - 11:40 pm
IAD
-
MSO
6h 42m
1 stop
$325Delta
Fri, May 29 - Mon, Jun 1
Delta Logo
3:30 pm - 11:39 pm
MSO
-
IAD
6h 09m
1 stop
Delta Logo
6:58 pm - 11:40 pm
IAD
-
MSO
6h 42m
1 stop
$348Delta
Thu, May 28 - Mon, Jun 1
Alaska Airlines Logo
7:00 am - 6:20 pm
MSO
-
IAD
9h 20m
1 stop
Alaska Airlines Logo
7:10 am - 2:59 pm
IAD
-
MSO
9h 49m
1 stop
$369Alaska Airlines
Tue, Apr 28 - Tue, May 5
Alaska Airlines Logo
1:59 pm - 12:09 am
MSO
-
IAD
8h 10m
1 stop
Alaska Airlines Logo
7:10 am - 2:59 pm
IAD
-
MSO
9h 49m
1 stop
$385Alaska Airlines
Thu, Apr 30 - Tue, May 5
United Airlines Logo
2:26 pm - 12:45 am
MSO
-
IAD
8h 19m
1 stop
United Airlines Logo
6:10 am - 11:32 am
IAD
-
MSO
7h 22m
1 stop
$401United Airlines
Thu, May 28 - Sun, May 31
American Airlines Logo
1:19 pm - 12:13 am
MSO
-
IAD
8h 54m
2 stops
American Airlines Logo
6:10 am - 4:14 pm
IAD
-
MSO
12h 04m
1 stop
$406American Airlines
Thu, May 28 - Mon, Jun 1
Delta Logo
5:05 am - 6:43 pm
MSO
-
IAD
11h 38m
2 stops
Delta Logo
3:08 pm - 11:40 pm
IAD
-
MSO
10h 32m
2 stops
$412Delta
Fri, May 29 - Mon, Jun 1
Delta Logo
6:18 pm - 9:15 am
MSO
-
IAD
12h 57m
2 stops
Delta Logo
12:12 pm - 12:16 am
IAD
-
MSO
14h 04m
2 stops
$413Delta
Sat, May 2 - Tue, May 5
Alaska Airlines Logo
1:59 pm - 12:09 am
MSO
-
IAD
8h 10m
1 stop
Alaska Airlines Logo
7:10 am - 2:59 pm
IAD
-
MSO
9h 49m
1 stop
$414Alaska Airlines
Mon, Apr 27 - Tue, May 5

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
May 28
MSO2:26 pmMissoula Johnson-Bell Field
8h 19m
1 stop
IAD12:45 amWashington, D.C. Dulles Intl
May 31
IAD6:10 amWashington, D.C. Dulles Intl
7h 22m
1 stop
MSO11:32 amMissoula Johnson-Bell Field
$401
United Airlines
Jun 29
MSO2:25 pmMissoula Johnson-Bell Field
8h 20m
1 stop
IAD12:45 amWashington, D.C. Dulles Intl
Jul 1
IAD6:30 amWashington, D.C. Dulles Intl
8h 49m
1 stop
MSO1:19 pmMissoula Johnson-Bell Field
$424
United Airlines
May 24
MSO7:15 amMissoula Johnson-Bell Field
9h 33m
1 stop
IAD6:48 pmWashington, D.C. Dulles Intl
May 29
IAD6:10 amWashington, D.C. Dulles Intl
7h 22m
1 stop
MSO11:32 amMissoula Johnson-Bell Field
$429

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
May 29
MSO3:30 pmMissoula Johnson-Bell Field
6h 09m
1 stop
IAD11:39 pmWashington, D.C. Dulles Intl
Jun 1
IAD6:58 pmWashington, D.C. Dulles Intl
6h 42m
1 stop
MSO11:40 pmMissoula Johnson-Bell Field
$320
Delta
May 29
MSO5:05 amMissoula Johnson-Bell Field
11h 38m
2 stops
IAD6:43 pmWashington, D.C. Dulles Intl
Jun 1
IAD6:58 pmWashington, D.C. Dulles Intl
6h 42m
1 stop
MSO11:40 pmMissoula Johnson-Bell Field
$325
Delta
May 28
MSO3:30 pmMissoula Johnson-Bell Field
6h 09m
1 stop
IAD11:39 pmWashington, D.C. Dulles Intl
Jun 1
IAD6:58 pmWashington, D.C. Dulles Intl
6h 42m
1 stop
MSO11:40 pmMissoula Johnson-Bell Field
$348

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 April 5, 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

Fri 5/29

3:30 pm-11:39 pm

1 stop6h 09m

Washington, D.C. Dulles Intl

Mon 6/1

6:58 pm-11:40 pm

1 stop6h 42m

$320

MissoulaWashington, D.C.

MSO - IAD

MSOIAD

Missoula Johnson-Bell Field

Fri 5/29

5:05 am-6:43 pm

2 stops11h 38m

Washington, D.C. Dulles Intl

Mon 6/1

6:58 pm-11:40 pm

1 stop6h 42m

$325

MissoulaWashington, D.C.

MSO - IAD

MSOIAD

Missoula Johnson-Bell Field

Thu 5/28

3:30 pm-11:39 pm

1 stop6h 09m

Washington, D.C. Dulles Intl

Mon 6/1

6:58 pm-11:40 pm

1 stop6h 42m

$348

MissoulaWashington, D.C.

MSO - IAD

MSOIAD

Missoula Johnson-Bell Field

Tue 4/28

7:00 am-6:20 pm

1 stop9h 20m

Washington, D.C. Dulles Intl

Tue 5/5

7:10 am-2:59 pm

1 stop9h 49m

$369

MissoulaWashington, D.C.

MSO - IAD

MSOIAD

Missoula Johnson-Bell Field

Thu 4/30

1:59 pm-12:09 am

1 stop8h 10m

Washington, D.C. Dulles Intl

Tue 5/5

7:10 am-2:59 pm

1 stop9h 49m

$385

MissoulaWashington, D.C.

MSO - IAD

MSOIAD

Missoula Johnson-Bell Field

Thu 5/28

2:26 pm-12:45 am

1 stop8h 19m

Washington, D.C. Dulles Intl

Sun 5/31

6:10 am-11:32 am

1 stop7h 22m

$401

MissoulaWashington, D.C.

MSO - IAD

MSOIAD

Missoula Johnson-Bell Field

Thu 5/28

1:19 pm-12:13 am

2 stops8h 54m

Washington, D.C. Dulles Intl

Mon 6/1

6:10 am-4:14 pm

1 stop12h 04m

$406

MissoulaWashington, D.C.

MSO - IAD

MSOIAD

Missoula Johnson-Bell Field

Fri 5/29

5:05 am-6:43 pm

2 stops11h 38m

Washington, D.C. Dulles Intl

Mon 6/1

3:08 pm-11:40 pm

2 stops10h 32m

$412

MissoulaWashington, D.C.

MSO - IAD

MSOIAD

Missoula Johnson-Bell Field

Sat 5/2

6:18 pm-9:15 am

2 stops12h 57m

Washington, D.C. Dulles Intl

Tue 5/5

12:12 pm-12:16 am

2 stops14h 04m

$413

MissoulaWashington, D.C.

MSO - IAD

MSOIAD

Missoula Johnson-Bell Field

Mon 4/27

1:59 pm-12:09 am

1 stop8h 10m

Washington, D.C. Dulles Intl

Tue 5/5

7:10 am-2:59 pm

1 stop9h 49m

$414

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 typical price of a round-trip flight between Missoula and Washington, D.C. Dulles Intl Airport?

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 $358. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of June, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $360.

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 56m

Direct flights

None
The fastest flight from Missoula to Washington, D.C. Dulles Intl Airport takes 6h 56m
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 6h 56m.

  • 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 $338Free CancellationRating
7.9
8,384 reviews
Search Delta flights
United AirlinesPriceFrom $360Free CancellationRating
7.4
9,545 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $385Free CancellationRating
7.9
12,173 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
Gaithersburg
Towson
Silver Spring
Fredericksburg
Rockville
Manassas
Sterling
Tysons
Linthicum Heights
Bethesda
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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