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Dulles Intl

$270+ Cheap flights from Bismarck (BIS) 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 3/28. Fares are subject to change and may not be available on all flights or dates of travel.
BIS — IAD
Mar 22 — Mar 291
Sun 3/22
Sun 3/29
1 adult, Economy
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Cheap 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 February 20, 2026.

This United Airlines deal was found by Cheapflights users on 2/17. 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.
Tue 5/129:00 am
BIS
-
IAD
1 stop7h 32m
United Airlines
Sat 5/165:11 pm
IAD
-
BIS
1 stop7h 30m
United Airlines
Deal found 2/17$289
This American Airlines deal was found by Cheapflights users on 2/18. 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.
Tue 9/12:59 pm
BIS
-
IAD
1 stop6h 45m
American Airlines
Sat 9/51:18 pm
IAD
-
BIS
2 stops9h 59m
American Airlines
Deal found 2/18$294
This Delta deal was found by Cheapflights users on 2/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/84:50 pm
BIS
-
IAD
1 stop5h 51m
Delta
Sat 4/117:00 am
IAD
-
BIS
1 stop6h 45m
Delta
Deal found 2/17$317
This Delta deal was found by Cheapflights users on 2/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/121:14 pm
BIS
-
IAD
2 stops8h 42m
Delta
Sat 5/166:00 am
IAD
-
BIS
1 stop7h 34m
Delta
Deal found 2/17$363
This Delta deal was found by Cheapflights users on 2/18. 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.
Fri 5/85:43 pm
BIS
-
IAD
1 stop4h 58m
Delta
Mon 5/116:00 am
IAD
-
BIS
1 stop7h 34m
Delta
Deal found 2/18$379
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Sat 10/2411:40 am
BIS
-
IAD
1 stop8h 30m
United Airlines
Tue 10/275:15 pm
IAD
-
BIS
1 stop7h 22m
United Airlines
Deal found 2/19$394
This Delta deal was found by Cheapflights users on 2/18. 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.
Fri 5/291:14 pm
BIS
-
IAD
2 stops8h 42m
Delta
Mon 6/17:02 pm
IAD
-
BIS
1 stop5h 20m
Delta
Deal found 2/18$417
This Delta deal was found by Cheapflights users on 2/19. 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.
Fri 3/65:26 pm
BIS
-
IAD
1 stop5h 29m
Delta
Tue 3/107:00 am
IAD
-
BIS
1 stop6h 45m
Delta
Deal found 2/19$446

Find 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 February 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$289
(United Airlines)

One-way from

$270
(Kiwi.com)

Popular in

January

Cheapest in

March

Average price

$504
Provider with most accurate pricing for Bismarck-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bismarck-Washington, D.C. Dulles Intl flights.
Search Deals
From Bismarck to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Bismarck to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 29% potential increase in price ($187 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease ($44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 20, 2026.
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 4/9

2:26 pm-11:26 pm

1 stop8h 00m

Washington, D.C. Dulles Intl

Sat 4/11

7:00 am-1:56 pm

1 stop7h 56m

$289

BismarckWashington, D.C.

BIS - IAD

BISIAD

Bismarck

Tue 5/12

1:55 pm-9:20 pm

1 stop6h 25m

Washington, D.C. Dulles Intl

Sat 5/16

5:11 pm-11:41 pm

1 stop7h 30m

$289

BismarckWashington, D.C.

BIS - IAD

BISIAD

Bismarck

Tue 5/12

1:14 pm-12:46 am

2 stops10h 32m

Washington, D.C. Dulles Intl

Sat 5/16

6:00 am-12:34 pm

1 stop7h 34m

$363

BismarckWashington, D.C.

BIS - IAD

BISIAD

Bismarck

Fri 5/8

5:43 pm-11:41 pm

1 stop4h 58m

Washington, D.C. Dulles Intl

Mon 5/11

6:00 am-12:34 pm

1 stop7h 34m

$379

BismarckWashington, D.C.

BIS - IAD

BISIAD

Bismarck

Thu 3/5

5:30 am-1:06 pm

1 stop6h 36m

Washington, D.C. Dulles Intl

Mon 3/9

4:00 pm-11:43 pm

1 stop8h 43m

$399

BismarckWashington, D.C.

BIS - IAD

BISIAD

Bismarck

Fri 5/29

1:14 pm-10:56 pm

2 stops8h 42m

Washington, D.C. Dulles Intl

Mon 6/1

7:02 pm-11:22 pm

1 stop5h 20m

$417

BismarckWashington, D.C.

BIS - IAD

BISIAD

Bismarck

Fri 3/6

5:26 pm-11:55 pm

1 stop5h 29m

Washington, D.C. Dulles Intl

Tue 3/10

7:00 am-12:45 pm

1 stop6h 45m

$446

BismarckWashington, D.C.

BIS - IAD

BISIAD

Bismarck

Thu 3/5

5:00 am-1:34 pm

1 stop7h 34m

Washington, D.C. Dulles Intl

Mon 3/9

12:14 pm-8:19 pm

2 stops9h 05m

$464

BismarckWashington, D.C.

BIS - IAD

BISIAD

Bismarck

Sat 3/28

10:36 am-8:23 pm

2 stops32h 47m

$270

BismarckWashington, D.C.

BIS - IAD

BISIAD

Bismarck

Sat 3/28

1:44 pm-9:16 pm

1 stop6h 32m

$304

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/17

Showing 1-10 of 19 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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Bismarck-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 February 20, 2026.
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
8,215 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.8

Overall

7.9

Boarding

8.1

Food

7.2

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
8,215 reviews
Delta
7.9
Good
8,215 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.8

Overall

7.9

Boarding

8.1

Food

7.2

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?

    United Airlines, American Airlines, and Delta can get you from Bismarck to Washington, D.C. Dulles Intl Airport in just under 7h 32m. Your travel time can differ by up to 3h. Airlines will cover a distance of 1291 mi. This flight may include one or multiple stops.

  • 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
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Laurel
Rockville
Upper Marlboro
Linthicum Heights
Manassas
Bowie
Largo
McLean
Clinton
Towson

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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 February 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$236Average$469FlexibilityNo cancel feeOn-timeN/A

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