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Dulles Intl

$274+ Cheap flights from Bismarck (BIS) to Dulles Intl (IAD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
BIS — IAD
Dec 17 — Dec 241
Wed 12/17
Wed 12/24
1 adult, Economy
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Cheap flight deals from Bismarck to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Bismarck (BIS) 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 17, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$269
(Delta)

Popular in

November

Cheapest in

March

Average price

$998
Provider with most accurate pricing for Bismarck-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Bismarck-Washington, D.C. Dulles Intl flights.
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From Bismarck to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 37% potential increase in price ($297 potential increase over avg. RT price).
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Cheapest flight prices on average. 10% potential price decrease ($46 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Bismarck to Dulles Intl

Cheapest flights from Bismarck to Dulles Intl
Explore the most affordable flight options available from Bismarck to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 17, 2025.

This United Airlines deal was found by Cheapflights users on 11/16. 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 12/21:50 pmBIS - IAD
1 stop6h 34mUnited Airlines
Sat 12/62:30 pmIAD - BIS
1 stop8h 18mUnited Airlines
Deal found 11/16$339
This American Airlines deal was found by Cheapflights users on 11/16. 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.
Tue 12/22:28 pmBIS - IAD
1 stop7h 13mAmerican Airlines
Sat 12/62:06 pmIAD - BIS
2 stops9h 12mAmerican Airlines
Deal found 11/16$344
This United Airlines deal was found by Cheapflights users on 11/17. 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.
Sat 12/131:50 pmBIS - IAD
1 stop8h 25mUnited Airlines
Sat 12/2010:10 pmIAD - BIS
1 stop23h 06mUnited Airlines
Deal found 11/17$565
This Delta deal was found by Cheapflights users on 11/15. 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.
Tue 12/211:47 amBIS - IAD
2 stops10h 21mDelta
Tue 12/96:56 pmIAD - BIS
1 stop5h 42mDelta
Deal found 11/15$629
This Delta deal was found by Cheapflights users on 11/15. 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 12/612:20 pmBIS - IAD
2 stops9h 48mDelta
Tue 12/96:56 pmIAD - BIS
1 stop5h 42mDelta
Deal found 11/15$679
This Delta deal was found by Cheapflights users on 11/15. 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 12/35:36 pmBIS - IAD
1 stop5h 26mDelta
Tue 12/96:56 pmIAD - BIS
1 stop5h 42mDelta
Deal found 11/15$694
This Delta deal was found by Cheapflights users on 11/16. 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.
Fri 12/1911:47 amBIS - IAD
2 stops10h 21mDelta
Mon 12/296:00 amIAD - BIS
1 stop5h 38mDelta
Deal found 11/16$734
This Delta deal was found by Cheapflights users on 11/16. 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.
Fri 12/1911:47 amBIS - IAD
2 stops10h 21mDelta
Fri 12/266:00 amIAD - BIS
1 stop5h 38mDelta
Deal found 11/16$774

Cheapflights Fare Finder

 
Customize your flight search to find flights from Bismarck 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 2,558,603 searches. Data last updated November 17, 2025.
Use the filters below to find and compare flights from Bismarck to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Bismarck

Fly to

Dulles Intl

Route

Depart

Return

Price

BismarckWashington, D.C.

BIS - IAD

BISIAD

Bismarck

Sat 5/2

11:30 am-10:59 pm

2 stops10h 29m

Washington, D.C. Dulles Intl

Sat 5/9

6:15 am-12:41 pm

1 stop7h 26m

$274

BismarckWashington, D.C.

BIS - IAD

BISIAD

Bismarck

Tue 12/2

1:50 pm-9:24 pm

1 stop6h 34m

Washington, D.C. Dulles Intl

Sat 12/6

2:30 pm-9:48 pm

1 stop8h 18m

$339

BismarckWashington, D.C.

BIS - IAD

BISIAD

Bismarck

Tue 12/2

2:28 pm-10:41 pm

1 stop7h 13m

Washington, D.C. Dulles Intl

Sat 12/6

2:06 pm-10:18 pm

2 stops9h 12m

$344

BismarckWashington, D.C.

BIS - IAD

BISIAD

Bismarck

Tue 3/3

5:30 pm-11:57 pm

1 stop5h 27m

Washington, D.C. Dulles Intl

Sat 3/7

5:11 pm-11:23 pm

2 stops7h 12m

$369

BismarckWashington, D.C.

BIS - IAD

BISIAD

Bismarck

Tue 3/3

2:41 pm-10:51 pm

1 stop7h 10m

Washington, D.C. Dulles Intl

Sat 3/7

6:00 am-2:11 pm

1 stop9h 11m

$384

BismarckWashington, D.C.

BIS - IAD

BISIAD

Bismarck

Thu 3/12

7:31 am-1:55 pm

1 stop5h 24m

Washington, D.C. Dulles Intl

Thu 3/19

6:15 am-12:47 pm

1 stop7h 32m

$414

BismarckWashington, D.C.

BIS - IAD

BISIAD

Bismarck

Sat 12/13

1:50 pm-11:15 pm

1 stop8h 25m

Washington, D.C. Dulles Intl

Sat 12/20

10:10 pm-8:16 pm

1 stop23h 06m

$565

BismarckWashington, D.C.

BIS - IAD

BISIAD

Bismarck

Tue 12/2

11:47 am-11:08 pm

2 stops10h 21m

Washington, D.C. Dulles Intl

Tue 12/9

6:56 pm-11:38 pm

1 stop5h 42m

$629

BismarckWashington, D.C.

BIS - IAD

BISIAD

Bismarck

Wed 11/26

8:35 pm-7:50 am

3 stops34h 15m

$405

BismarckWashington, D.C.

BIS - IAD

BISIAD

Bismarck

Mon 11/24

5:00 am-11:07 am

1 stop5h 07m

$450

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/14

Showing 1-10 of 12 results
1
2

Compare providers for flights from Bismarck to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Bismarck to Dulles Intl in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Bismarck-Washington, D.C. Dulles Intl Airport flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Bismarck-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. Expedia 90-95% of the time. Price accuracy is based on data collected from Bismarck-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Bismarck-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Bismarck-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Bismarck to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Bismarck 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.

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 17, 2025.
Peruse reviews from past customers who have flown with Delta from Bismarck to Washington, D.C. Dulles Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,008 reviews

Overall

7.9

Food

7.3

Boarding

8.1

Crew

8.5

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,008 reviews
Delta
7.9
Good
8,008 reviews

Overall

7.9

Food

7.3

Boarding

8.1

Crew

8.5

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Bismarck 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 airport do you fly from for flights from Bismarck to Washington, D.C. Dulles Intl?

    Bismarck (BIS), located 2.5 mi from the city center, is the airport you fly out of when you book flights from Bismarck to Washington, D.C. Dulles Intl. 1 airline have flights from Bismarck to Washington, D.C. Dulles Intl on a regular basis. Booking flights from Bismarck to Washington, D.C. Dulles Intl should not be difficult; the airport handles an average of 0 outbound flights to Washington, D.C. Dulles Intl per day.

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

    Delta, United Airlines, and American Airlines can get you from Bismarck to Washington, D.C. Dulles Intl Airport in just under 6h 34m. Your travel time can differ by up to 3h 55m. Airlines will cover a distance of 1291 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Bismarck to Washington, D.C. Dulles Intl Airport round-trip?

    According to our current data, Delta ($236), offers the cheapest pricing from Bismarck to Washington, D.C. Dulles Intl Airport.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Bismarck 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.

See more FAQs

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Tysons
Woodbridge
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fairfax
Fredericksburg
Falls Church
Linthicum Heights
Manassas
Laurel
Towson
National Harbor
Waldorf
Bowie
Largo
McLean

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Bismarck to Dulles Intl

Discover the top airline that operate flights from Bismarck 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 2,558,603 searches. Data last updated November 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$236Average$638FlexibilityNo cancel feeOn-timeN/A

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