MSO - IAD

$190 Find Cheap Flights from Missoula to Washington Dulles Airport - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
$379
Typical prices: $384-$550
Alaska Airlines
Sat 10/27Sun 10/28
MSO - IAD • 1 stop
Cheapest one-way
$190
Typical prices: $229-$378
United Airlines
Tue 10/23
MSO - IAD • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Missoula and Washington, D.C. Dulles Intl Airport. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
July
Cheapest • 25% price drop
April
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Salt Lake City (SLC)
Cheapest • Avg $388 (round-trip)
Chicago O'Hare Intl (ORD)
Shortest trip • 6h 58m (one-way)
Insights
Insights
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Washington, D.C. Dulles Intl Airport!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Missoula to Dulles Intl (MSO-IAD)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Missoula to Dulles Intl

Sat, Oct 24 - Sat, Oct 31
United Airlines Logo
6:15 am - 3:46 pmMSO  Missoula Johnson-Bell Field-IAD Washington, D.C. Dulles Intl
7h 31m1 stop Denver Intl
United Airlines Logo
4:10 pm - 9:47 pmIAD  Washington, D.C. Dulles Intl-MSO Missoula Johnson-Bell Field
7h 37m1 stop Denver Intl
$379United Airlines
Sat, Oct 24 - Sun, Nov 1
United Airlines Logo
12:28 pm - 10:52 pmMSO  Missoula Johnson-Bell Field-IAD Washington, D.C. Dulles Intl
8h 24m1 stop Chicago O'Hare Intl
United Airlines Logo
6:10 am - 1:31 pmIAD  Washington, D.C. Dulles Intl-MSO Missoula Johnson-Bell Field
9h 21m1 stop Denver Intl
$379United Airlines
Sat, Oct 3 - Fri, Oct 16
Delta Logo
3:35 pm - 11:23 pmMSO  Missoula Johnson-Bell Field-IAD Washington, D.C. Dulles Intl
5h 48m1 stop Minneapolis St Paul
Delta Logo
6:13 am - 12:34 pmIAD  Washington, D.C. Dulles Intl-MSO Missoula Johnson-Bell Field
8h 21m1 stop Salt Lake City
$379Delta
Tue, Oct 27 - Tue, Nov 10
Delta Logo
1:14 pm - 11:35 pmMSO  Missoula Johnson-Bell Field-IAD Washington, D.C. Dulles Intl
8h 21m1 stop Salt Lake City
Delta Logo
12:01 pm - 7:57 pmIAD  Washington, D.C. Dulles Intl-MSO Missoula Johnson-Bell Field
9h 56m1 stop Minneapolis St Paul
$379Delta
Fri, Oct 23 - Sun, Nov 1
United Airlines Logo
12:28 pm - 10:52 pmMSO  Missoula Johnson-Bell Field-IAD Washington, D.C. Dulles Intl
8h 24m1 stop Chicago O'Hare Intl
United Airlines Logo
6:10 am - 1:31 pmIAD  Washington, D.C. Dulles Intl-MSO Missoula Johnson-Bell Field
9h 21m1 stop Denver Intl
$379United Airlines
Sat, Oct 24 - Sat, Oct 31
Delta Logo
7:00 am - 8:14 pmMSO  Missoula Johnson-Bell Field-IAD Washington, D.C. Dulles Intl
11h 14m2 stops Salt Lake City Atlanta Hartsfield-Jackson
Delta Logo
6:13 am - 12:34 pmIAD  Washington, D.C. Dulles Intl-MSO Missoula Johnson-Bell Field
8h 21m1 stop Salt Lake City
$384Delta
Tue, Oct 27 - Wed, Oct 28
Alaska Airlines Logo
2:06 pm - 11:59 pmMSO  Missoula Johnson-Bell Field-IAD Washington, D.C. Dulles Intl
7h 53m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:02 am - 2:50 pmIAD  Washington, D.C. Dulles Intl-MSO Missoula Johnson-Bell Field
9h 48m1 stop Seattle/Tacoma Intl
$399Alaska Airlines
Wed, Nov 4 - Mon, Nov 9
United Airlines Logo
2:37 pm - 11:15 pmMSO  Missoula Johnson-Bell Field-IAD Washington, D.C. Dulles Intl
6h 38m1 stop Denver Intl
United Airlines Logo
6:10 am - 1:31 pmIAD  Washington, D.C. Dulles Intl-MSO Missoula Johnson-Bell Field
9h 21m1 stop Denver Intl
$399United Airlines
Tue, Nov 17 - Wed, Nov 18
Alaska Airlines Logo
4:21 pm - 5:44 amMSO  Missoula Johnson-Bell Field-IAD Washington, D.C. Dulles Intl
11h 23m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:46 am - 3:31 pmIAD  Washington, D.C. Dulles Intl-MSO Missoula Johnson-Bell Field
9h 45m1 stop Seattle/Tacoma Intl
$459Alaska Airlines
Tue, Nov 17 - Wed, Nov 18
Alaska Airlines Logo
2:02 pm - 5:44 amMSO  Missoula Johnson-Bell Field-IAD Washington, D.C. Dulles Intl
13h 42m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
5:17 pm - 12:22 pmIAD  Washington, D.C. Dulles Intl-MSO Missoula Johnson-Bell Field
21h 05m1 stop Seattle/Tacoma Intl
$479Alaska Airlines
Booking Insights

Price, demand and travel trends for Missoula to Washington, D.C. Dulles Intl Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Missoula to Washington, D.C. Dulles Intl Airport with more confidence.

How much is a round-trip flight from Missoula to Washington, D.C. Dulles Intl Airport?

Round-trip flights from Missoula to Washington, D.C. Dulles Intl Airport start at $379. Prices are below average for this route right now, with typical round-trip fares ranging from $384 to $550. The lowest price found in the past 5 days was $379 on Alaska Airlines.

What's the cheapest day of the week to fly from Missoula to Washington, D.C. Dulles Intl Airport?

Thursday is the cheapest day of the week to fly from Missoula to Washington, D.C. Dulles Intl Airport, it is 25% cheaper than the average day. Sunday is the most expensive day with flight prices 33% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Missoula to Washington, D.C. Dulles Intl Airport?

  • July is the cheapest month to fly from Missoula to Washington, D.C. Dulles Intl Airport at $360 round-trip.
  • April ($689) and March ($677) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 91% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Missoula to Washington, D.C. Dulles Intl Airport flights

Low season

September

Cheapest flight

$190
Most popular time to fly with an average 44% increase in price.
Flight from Missoula to Washington, D.C. Dulles Intl Airport

When to book flights from Missoula to Dulles Intl

Are your dates flexible? Find out the best times to travel from Missoula to Dulles Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Missoula to Washington, D.C. Dulles Intl Airport flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Missoula to Washington, D.C. Dulles Intl Airport?

    Flights from Missoula to Washington, D.C. Dulles Intl Airport usually depart from Missoula Johnson-Bell Field (MSO) and arrive at Washington, D.C. Dulles Intl (IAD).

  • What cabin classes can I book on flights from Missoula to Washington, D.C. Dulles Intl Airport?

    Only Economy Class is available on flights from Missoula to Washington, D.C. Dulles Intl Airport.

  • Which airports do connecting flights from Missoula to Washington, D.C. Dulles Intl Airport pass through?

    One-stop flights from Missoula to Washington, D.C. Dulles Intl Airport most commonly connect through:

    • Denver Intl (DEN) - 58% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 31% of one-stop connections
    • Minneapolis St Paul (MSP) - 5% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 5% of one-stop connections

    Denver Intl (DEN) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Missoula to Washington, D.C. Dulles Intl Airport?

    Yes. Being flexible with your travel dates can save you up to 44% on the Missoula to Washington, D.C. Dulles Intl Airport route. Thursday is the cheapest departure day at $360 round-trip on average, while Sunday is the most expensive at $637, a difference of $277. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Washington, D.C. Dulles Intl Airport?

    Some of the most popular sights in Washington, D.C. Dulles Intl Airport are Walter E. Washington Convention Center, National Mall and Capital One Arena. These are among the most viewed places in Washington, D.C. Dulles Intl Airport on KAYAK.

  • How long is a flight from Missoula to Washington, D.C. Dulles Intl Airport?

    A nonstop flight from Missoula to Washington, D.C. Dulles Intl Airport takes 0h 00m, covering 1,913 miles.

  • Do I need a passport to fly from Missoula to Washington, D.C. Dulles Intl Airport?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Missoula to Washington, D.C. Dulles Intl Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $379 to $1,404. That means the highest observed fare was about 4x higher than the lowest one.

  • How are flight prices from Missoula to Washington, D.C. Dulles Intl Airport looking right now?

    One-way fares from Missoula to Washington, D.C. Dulles Intl Airport are currently higher than usual. Average one-way flight prices are about $314, which is 8% above the typical average for this route.

  • How much time can I save by choosing a different layover airport from Missoula to Washington, D.C. Dulles Intl Airport?

    Flying via Chicago O'Hare Intl (ORD) gives the shortest average 1-stop total travel time at 6h 58m, compared with 7h 05m via Minneapolis St Paul (MSP) and 7h 34m via Denver Intl (DEN).

  • What is the time difference between Missoula and Washington, D.C. Dulles Intl Airport?

    Washington, D.C. Dulles Intl Airport is 2 hours ahead of Missoula (Eastern Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Washington, D.C. Dulles Intl Airport (IAD)?

    Washington, D.C. Dulles Intl Airport (IAD) hosts 5 major car rental companies, with daily rates starting from around $24 for economy cars. Top options include:
    • Dollar
    • Budget
    • Hertz
    • Sixt
    • Thrifty

  • How much should I expect to pay for a Missoula to Washington, D.C. Dulles Intl Airport flight?

    Round-trip flights from Missoula to Washington, D.C. Dulles Intl Airport range from $384 to $550, with an average of $478 over the past 12 months. Anything below $384 counts as a good deal.

Your guide to booking Missoula to Washington, D.C. Dulles Intl Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Thursday departure instead of Sunday. On this route, Thursday flights average $360 - about $277 less than Sunday (43% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Missoula to Washington, D.C. Dulles Intl Airport trip for July. Fares historically average $360 round-trip in that month - typically $329 less than the most expensive month, which is April (based on the last 12 months).

More options for your flight from Missoula to Dulles Intl

Complete your trip to Washington, D.C. with a hotel stay or car rental

Car rentals in Washington, D.C.
Hotels in Washington, D.C.
Vacations in Washington, D.C.