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Cheap flights from Missoula to Washington, D.C. from $165

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.
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Cheap round-trip flights

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Delta Logo
7:45 am - 6:12 pmMSO-IAD
8h 27m1 stop
Delta Logo
3:00 pm - 9:53 pmIAD-MSO
8h 53m1 stop
$379Delta
Find Deal
Wed, Dec 10 - Sat, Dec 13
Delta Logo
7:45 am - 6:12 pmMSO-IAD
8h 27m1 stop
Delta Logo
9:00 am - 5:36 pmIAD-MSO
10h 36m2 stops
$384Delta
Find Deal
Wed, Dec 10 - Sat, Dec 13
Alaska Airlines Logo
4:12 pm - 6:23 amMSO-IAD
12h 11m1 stop
Alaska Airlines Logo
6:13 pm - 12:19 pmIAD-MSO
20h 06m1 stop
$390Alaska Airlines
Find Deal
Wed, Nov 12 - Tue, Nov 18
United Airlines Logo
6:20 am - 4:30 pmMSO-IAD
8h 10m1 stop
United Airlines Logo
8:25 am - 1:33 pmIAD-MSO
7h 08m1 stop
$391United Airlines
Find Deal
Wed, Nov 12 - Tue, Nov 18
Delta Logo
1:13 pm - 11:58 pmMSO-IAD
8h 45m1 stop
Delta Logo
3:35 pm - 12:19 amIAD-MSO
10h 44m2 stops
$396Delta
Find Deal
Tue, Nov 11 - Tue, Nov 18
Alaska Airlines Logo
1:59 pm - 6:23 amMSO-IAD
14h 24m1 stop
Alaska Airlines Logo
6:13 pm - 12:19 pmIAD-MSO
20h 06m1 stop
$420Alaska Airlines
Find Deal
Tue, Nov 11 - Thu, Nov 13
Alaska Airlines Logo
6:32 am - 4:40 pmMSO-IAD
8h 08m1 stop
Alaska Airlines Logo
6:13 pm - 12:19 pmIAD-MSO
20h 06m1 stop
$422Alaska Airlines
Find Deal
Wed, Nov 12 - Mon, Nov 17
United Airlines Logo
6:20 am - 3:41 pmMSO-IAD
7h 21m1 stop
United Airlines Logo
8:25 am - 4:01 pmIAD-MSO
9h 36m1 stop
$481United Airlines
Find Deal
Tue, Nov 11 - Wed, Nov 19
United Airlines Logo
2:35 pm - 11:15 pmMSO-IAD
6h 40m1 stop
United Airlines Logo
2:25 pm - 9:47 pmIAD-MSO
9h 22m1 stop
$511United Airlines
Find Deal
Mon, Nov 10 - Thu, Nov 13
United Airlines Logo
2:35 pm - 11:15 pmMSO-IAD
6h 40m1 stop
United Airlines Logo
9:57 am - 4:01 pmIAD-MSO
8h 04m1 stop
$541United Airlines
Find Deal
Fri, Nov 7 - Tue, Nov 18

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 10
MSO7:45 amMissoula Johnson-Bell Field
8h 27m
1 stop
IAD6:12 pmWashington, D.C. Dulles Intl
Dec 13
IAD3:00 pmWashington, D.C. Dulles Intl
8h 53m
1 stop
MSO9:53 pmMissoula Johnson-Bell Field
$379
Find similar
Delta
Dec 10
MSO7:45 amMissoula Johnson-Bell Field
8h 27m
1 stop
IAD6:12 pmWashington, D.C. Dulles Intl
Dec 13
IAD9:00 amWashington, D.C. Dulles Intl
10h 36m
2 stops
MSO5:36 pmMissoula Johnson-Bell Field
$384
Find similar
Delta
Nov 11
MSO1:13 pmMissoula Johnson-Bell Field
8h 45m
1 stop
IAD11:58 pmWashington, D.C. Dulles Intl
Nov 18
IAD3:35 pmWashington, D.C. Dulles Intl
10h 44m
2 stops
MSO12:19 amMissoula Johnson-Bell Field
$396
Find similar

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
Nov 12
MSO4:12 pmMissoula Johnson-Bell Field
12h 11m
1 stop
IAD6:23 amWashington, D.C. Dulles Intl
Nov 18
IAD6:13 pmWashington, D.C. Dulles Intl
20h 06m
1 stop
MSO12:19 pmMissoula Johnson-Bell Field
$390
Find similar
Alaska Airlines
Nov 11
MSO1:59 pmMissoula Johnson-Bell Field
14h 24m
1 stop
IAD6:23 amWashington, D.C. Dulles Intl
Nov 13
IAD6:13 pmWashington, D.C. Dulles Intl
20h 06m
1 stop
MSO12:19 pmMissoula Johnson-Bell Field
$420
Find similar
Alaska Airlines
Nov 12
MSO6:32 amMissoula Johnson-Bell Field
8h 08m
1 stop
IAD4:40 pmWashington, D.C. Dulles Intl
Nov 17
IAD6:13 pmWashington, D.C. Dulles Intl
20h 06m
1 stop
MSO12:19 pmMissoula Johnson-Bell Field
$422
Find similar

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 October 28, 2025.
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

Wed 12/10

7:45 am-6:12 pm

1 stop8h 27m

Washington, D.C. Dulles Intl

Sat 12/13

3:00 pm-9:53 pm

1 stop8h 53m

$379

MissoulaWashington, D.C.

MSO - IAD

MSOIAD

Missoula Johnson-Bell Field

Wed 12/10

7:45 am-6:12 pm

1 stop8h 27m

Washington, D.C. Dulles Intl

Sat 12/13

9:00 am-5:36 pm

2 stops10h 36m

$384

MissoulaWashington, D.C.

MSO - IAD

MSOIAD

Missoula Johnson-Bell Field

Wed 11/12

4:12 pm-6:23 am

1 stop12h 11m

Washington, D.C. Dulles Intl

Tue 11/18

6:13 pm-12:19 pm

1 stop20h 06m

$390

MissoulaWashington, D.C.

MSO - IAD

MSOIAD

Missoula Johnson-Bell Field

Wed 11/12

6:20 am-4:30 pm

1 stop8h 10m

Washington, D.C. Dulles Intl

Tue 11/18

8:25 am-1:33 pm

1 stop7h 08m

$391

MissoulaWashington, D.C.

MSO - IAD

MSOIAD

Missoula Johnson-Bell Field

Tue 11/11

1:13 pm-11:58 pm

1 stop8h 45m

Washington, D.C. Dulles Intl

Tue 11/18

3:35 pm-12:19 am

2 stops10h 44m

$396

MissoulaWashington, D.C.

MSO - IAD

MSOIAD

Missoula Johnson-Bell Field

Tue 11/11

1:59 pm-6:23 am

1 stop14h 24m

Washington, D.C. Dulles Intl

Thu 11/13

6:13 pm-12:19 pm

1 stop20h 06m

$420

MissoulaWashington, D.C.

MSO - IAD

MSOIAD

Missoula Johnson-Bell Field

Wed 11/12

6:32 am-4:40 pm

1 stop8h 08m

Washington, D.C. Dulles Intl

Mon 11/17

6:13 pm-12:19 pm

1 stop20h 06m

$422

MissoulaWashington, D.C.

MSO - IAD

MSOIAD

Missoula Johnson-Bell Field

Tue 11/11

6:20 am-3:41 pm

1 stop7h 21m

Washington, D.C. Dulles Intl

Wed 11/19

8:25 am-4:01 pm

1 stop9h 36m

$481

MissoulaWashington, D.C.

MSO - IAD

MSOIAD

Missoula Johnson-Bell Field

Mon 11/10

2:35 pm-11:15 pm

1 stop6h 40m

Washington, D.C. Dulles Intl

Thu 11/13

2:25 pm-9:47 pm

1 stop9h 22m

$511

MissoulaWashington, D.C.

MSO - IAD

MSOIAD

Missoula Johnson-Bell Field

Fri 11/7

2:35 pm-11:15 pm

1 stop6h 40m

Washington, D.C. Dulles Intl

Tue 11/18

9:57 am-4:01 pm

1 stop8h 04m

$541

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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 day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Monday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $556. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Missoula to Washington, D.C. Dulles Intl Airport for around $813.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Missoula at noon is the least expensive time of day to depart. momondo users have found prices as low as $568 when looking at flights departing at noon. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $619 on average. Flights to Washington, D.C. Dulles Intl Airport from Missoula in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

Direct flights

None
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.
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  • 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 40m.

  • 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
7,994 reviews
Search Delta flights
United AirlinesPriceFrom $390Free CancellationRating
7.4
9,001 reviews
Search United 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
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Harpers Ferry
Towson
Rockville
Manassas
Reston
Gaithersburg
Fairfax
Sterling

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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