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Dulles Intl

$100+ Cheap flights from Missouri to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
STL — IAD
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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Cheap flight deals from Missouri to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Missouri (USMO) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 20, 2024.

Find flight deals from Missouri to Dulles Intl

Cheapest flights from Missouri to Dulles Intl
Explore the most affordable flight options available from Missouri to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This CheapOair deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/55:02 pmSTL - IAD
1 stop24h 17mFrontier
Sun 12/85:57 pmIAD - STL
1 stop6h 27mFrontier
Deal found 11/19$218
This United Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/171:10 pmSTL - IAD
Nonstop2h 08mUnited Airlines
Thu 1/26:50 pmIAD - STL
Nonstop2h 33mUnited Airlines
Deal found 11/19$229
This Delta deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/144:30 pmSGF - IAD
1 stop6h 26mDelta
Sun 12/156:00 amIAD - SGF
1 stop6h 02mDelta
Deal found 11/19$232
This Delta deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/147:15 amSTL - IAD
1 stop6h 21mDelta
Wed 12/187:45 amIAD - STL
1 stop5h 18mDelta
Deal found 11/18$248
This American Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1112:24 pmMCI - IAD
1 stop19h 15mAmerican Airlines
Mon 12/168:00 pmIAD - MCI
1 stop16h 39mAmerican Airlines
Deal found 11/19$275
This American Airlines deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/225:03 amSTL - IAD
1 stop7h 20mAmerican Airlines
Sat 12/288:10 pmIAD - STL
1 stop4h 51mAmerican Airlines
Deal found 11/18$296
This United deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1711:20 amSGF - IAD
1 stop6h 30mUnited Airlines
Wed 12/258:35 amIAD - SGF
1 stop7h 02mUnited Airlines
Deal found 11/19$298
This American Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/66:35 pmSGF - IAD
1 stop4h 20mAmerican Airlines
Sat 12/71:41 pmIAD - SGF
2 stops9h 49mAmerican Airlines
Deal found 11/19$303
This United Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1712:45 pmMCI - IAD
Nonstop2h 26mUnited Airlines
Tue 12/241:05 pmIAD - MCI
Nonstop2h 59mUnited Airlines
Deal found 11/19$303
This Delta deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/185:45 amMCI - IAD
1 stop7h 31mDelta
Wed 12/256:00 amIAD - MCI
1 stop4h 38mDelta
Deal found 11/19$304
This Mytrip deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/169:56 amMCI - IAD
1 stop6h 54mMultiple Airlines
Tue 12/1712:55 pmIAD - MCI
3 stops33h 56mMultiple Airlines
Deal found 11/19$351
This Mytrip deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/84:26 pmSTL - IAD
3 stops22h 44mMultiple Airlines
Wed 12/1112:55 pmIAD - STL
3 stops27h 26mMultiple Airlines
Deal found 11/19$464

Find flights from Missouri to Dulles Intl within your budget

Customize your flight search to find flights from Missouri to Dulles Intl 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, Cheapflights users made 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisWashington, D.C.

STL - IAD

STLIAD

Lambert-St Louis

Thu 12/5

5:02 pm-6:19 pm

1 stop24h 17m

Washington, D.C. Dulles Intl

Sun 12/8

5:57 pm-11:24 pm

1 stop6h 27m

$218

SpringfieldWashington, D.C.

SGF - IAD

SGFIAD

Springfield-Branson

Wed 2/19

9:05 am-4:12 pm

1 stop6h 07m

Washington, D.C. Dulles Intl

Mon 2/24

9:12 am-3:58 pm

1 stop7h 46m

$228

St. LouisWashington, D.C.

STL - IAD

STLIAD

Lambert-St Louis

Tue 12/17

1:10 pm-4:18 pm

Nonstop2h 08m

Washington, D.C. Dulles Intl

Thu 1/2

6:50 pm-8:23 pm

Nonstop2h 33m

$229

SpringfieldWashington, D.C.

SGF - IAD

SGFIAD

Springfield-Branson

Sat 12/14

4:30 pm-11:56 pm

1 stop6h 26m

Washington, D.C. Dulles Intl

Sun 12/15

6:00 am-11:02 am

1 stop6h 02m

$232

St. LouisWashington, D.C.

STL - IAD

STLIAD

Lambert-St Louis

Tue 3/4

6:30 am-11:47 am

1 stop4h 17m

Washington, D.C. Dulles Intl

Thu 3/13

6:05 am-9:43 am

1 stop4h 38m

$248

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Wed 12/11

12:24 pm-8:39 am

1 stop19h 15m

Washington, D.C. Dulles Intl

Mon 12/16

8:00 pm-11:39 am

1 stop16h 39m

$275

St. LouisWashington, D.C.

STL - IAD

STLIAD

Lambert-St Louis

Sun 12/22

5:03 am-1:23 pm

1 stop7h 20m

Washington, D.C. Dulles Intl

Sat 12/28

8:10 pm-12:01 am

1 stop4h 51m

$296

SpringfieldWashington, D.C.

SGF - IAD

SGFIAD

Springfield-Branson

Tue 12/17

11:20 am-6:50 pm

1 stop6h 30m

Washington, D.C. Dulles Intl

Wed 12/25

8:35 am-2:37 pm

1 stop7h 02m

$298

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Tue 12/17

12:45 pm-4:11 pm

Nonstop2h 26m

Washington, D.C. Dulles Intl

Tue 12/24

1:05 pm-3:04 pm

Nonstop2h 59m

$303

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Wed 12/18

5:45 am-2:16 pm

1 stop7h 31m

Washington, D.C. Dulles Intl

Wed 12/25

6:00 am-9:38 am

1 stop4h 38m

$304

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 32 results
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Best time to book a flight from Missouri to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Missouri with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Missouri to Dulles Intl

Get recent, data-driven insights about flights from Missouri to Dulles Intl including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Missouri to Washington, D.C. Dulles Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Missouri to Washington, D.C. Dulles Intl Airport (average of $300). Flying from Missouri to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MO to IAD?

Find hourly flight availability from Missouri to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Missouri to Washington, D.C. Dulles Intl Airport as you normally would.

Weekly flight availability from Missouri to Washington, D.C. Dulles Intl Airport

Explore weekly flight availability from Missouri to Dulles Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated November 20, 2024.

The most flights from USMO to IAD are scheduled on a Monday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated November 20, 2024.
Get a feel of what it's like to fly with Delta, American Airlines and United Airlines from Missouri to Washington, D.C. by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,014 reviews

Food

7.2

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,014 reviews
Southwest
8.1
Very good
5,014 reviews

Food

7.2

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very good
9,461 reviews
Southwest
8.1
Very good
5,014 reviews

Food

7.2

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,756 reviews
Southwest
8.1
Very good
5,014 reviews

Food

7.2

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,171 reviews
Southwest
8.1
Very good
5,014 reviews

Food

7.2

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
5,014 reviews

Food

7.2

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

Find useful and relevant information for your journey from Missouri to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Missouri to Washington, D.C. Dulles Intl Airport one-way?

    The cheapest airlines for a one-way flight from Missouri to Washington, D.C. Dulles Intl Airport are Frontier ($100), United Airlines ($115), and American Airlines ($143).

  • What are the most popular routes from Missouri to Washington, D.C. Dulles Intl Airport?

    When deciding which route to take from Missouri to Washington, D.C. Dulles Intl Airport consider Kansas City - Washington, D.C. Dulles Intl, Lambert-St Louis - Washington, D.C. Dulles Intl or Springfield-Branson - Washington, D.C. Dulles Intl as they are the most popular.

  • What are the most reliable airlines from Missouri to Washington, D.C. Dulles Intl Airport?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Missouri to Washington, D.C. Dulles Intl Airport on time: Avianca (93%), Copa Airlines (93%), Lufthansa (92%).

  • What are the cheapest flights from Missouri to Washington, D.C. Dulles Intl Airport?

    On average you can expect to pay $1,072 for a flight from Missouri to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $141 while the most popular route, (Kansas City - Washington, D.C. Dulles Intl) is currently priced at $303.

  • Can I find deals for flights from Missouri to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Missouri to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Missouri to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Missouri to Dulles Intl.

  • Can I find deals for business class flights from Missouri to Dulles Intl?

    Yes. Cheapflights offers flight deals from Missouri to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Missouri to Washington, D.C. Dulles Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Missouri to Washington, D.C. Dulles Intl Airport (average of $300). Flying from Missouri to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Missouri to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Reagan-National flights
Dallas/Fort Worth to Baltimore flights
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Dallas/Fort Worth to Dulles Intl flights
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Hobby to Baltimore flights
San Francisco to Reagan-National flights
Atlanta to Reagan-National flights
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O'Hare Intl to Reagan-National flights
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Seattle to Baltimore flights
George Bush Intcntl to Baltimore flights
Atlanta to Baltimore flights
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Denver to Reagan-National flights
Miami to Reagan-National flights
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LaGuardia to Reagan-National flights
George Bush Intcntl to Dulles Intl flights
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Austin to Dulles Intl flights
LaGuardia to Dulles Intl flights
Charlotte to Dulles Intl flights
Miami to Baltimore flights
Tampa to Dulles Intl flights
Newark to Reagan-National flights
Fort Lauderdale to Reagan-National flights
Minneapolis to Baltimore flights
Miami to Dulles Intl flights
John F Kennedy Intl to Dulles Intl flights
George Bush Intcntl to Reagan-National flights
Detroit to Baltimore flights
John F Kennedy Intl to Reagan-National flights
Tampa to Reagan-National flights
Orlando to Baltimore flights

Top 3 airlines flying from Missouri to Dulles Intl

Discover the top 3 airlines that operate flights from Missouri to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$129Average$337FlexibilityNo cancel feeOn-time71%
DeltaCheapest$177Average$320FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$209Average$437FlexibilityNo cancel feeOn-time69%
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