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Dulles Intl

$269+ 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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
BIS — IAD
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
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 3, 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
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Highest demand for flights based on searches. 41% potential increase in price ($356 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% 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 3, 2025.

This Delta deal was found by Cheapflights users on 11/2. 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.
Thu 12/115:36 pmBIS - IAD
1 stop5h 26mDelta
Sun 12/146:03 amIAD - BIS
1 stop6h 04mDelta
Deal found 11/2$269
This Delta deal was found by Cheapflights users on 11/1. 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 11/71:14 pmBIS - IAD
2 stops9h 06mDelta
Tue 11/116:03 amIAD - BIS
1 stop5h 46mDelta
Deal found 11/1$444
This American Airlines deal was found by Cheapflights users on 11/1. 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.
Thu 12/1112:51 pmBIS - IAD
2 stops23h 43mAmerican Airlines
Sun 12/146:25 amIAD - BIS
2 stops16h 53mAmerican Airlines
Deal found 11/1$538
This United Airlines deal was found by Cheapflights users on 11/1. 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.
Fri 11/71:56 pmBIS - IAD
1 stop8h 19mUnited Airlines
Tue 11/115:18 pmIAD - BIS
1 stop7h 21mUnited Airlines
Deal found 11/1$564
This Delta deal was found by Cheapflights users on 11/2. 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 12/195:36 pmBIS - IAD
1 stop5h 26mDelta
Mon 12/296:00 amIAD - BIS
1 stop5h 38mDelta
Deal found 11/2$759
This Delta deal was found by Cheapflights users on 11/2. 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 11/47:30 amBIS - IAD
1 stop5h 06mDelta
Wed 11/56:18 amIAD - BIS
1 stop5h 22mDelta
Deal found 11/2$775

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 3, 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

Thu 12/11

5:36 pm-12:02 am

1 stop5h 26m

Washington, D.C. Dulles Intl

Sun 12/14

6:03 am-11:07 am

1 stop6h 04m

$269

BismarckWashington, D.C.

BIS - IAD

BISIAD

Bismarck

Tue 3/3

5:30 pm-11:35 pm

1 stop5h 05m

Washington, D.C. Dulles Intl

Sat 3/7

6:10 am-4:53 pm

2 stops11h 43m

$373

BismarckWashington, D.C.

BIS - IAD

BISIAD

Bismarck

Tue 3/3

1:43 pm-11:19 pm

1 stop8h 36m

Washington, D.C. Dulles Intl

Sat 3/7

5:20 pm-11:37 pm

1 stop7h 17m

$401

BismarckWashington, D.C.

BIS - IAD

BISIAD

Bismarck

Mon 11/24

11:32 am-6:19 pm

1 stop5h 47m

$295

BismarckWashington, D.C.

BIS - IAD

BISIAD

Bismarck

Wed 11/12

6:24 pm-12:11 am

3 stops52h 47m

$350

BismarckWashington, D.C.

BIS - IAD

BISIAD

Bismarck

Wed 11/12

5:35 pm-11:52 pm

1 stop5h 17m

$388

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

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 3, 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
8,001 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
Delta
7.9
Good
8,001 reviews
Delta
7.9
Good
8,001 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.

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 can get you from Bismarck to Washington, D.C. Dulles Intl Airport in just under 5h 26m. Your travel time can differ by up to . Airlines will cover a distance of 1291 mi.

  • 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
Woodbridge
Tysons
Arlington
Springfield
Hanover
Silver Spring
Fairfax
Fredericksburg
Falls Church
Owings Mills
Linthicum Heights
Manassas
Largo
Oxon Hill
Laurel
Towson
National Harbor
Waldorf
Bowie

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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 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$236Average$469FlexibilityNo cancel feeOn-timeN/A

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