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Bismarck

$308+ Cheap flights from Dulles Intl (IAD) to Bismarck (BIS)

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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BIS
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheap flight deals from Dulles Intl to Bismarck

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Bismarck (BIS). 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 August 20, 2025.

Round-trip from

$314
(Delta)

One-way from

$308
(United Airlines)

Popular in

November

Cheapest in

July

Average price

$503
From Washington, D.C. Dulles Intl to Bismarck
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One-way flight from Washington, D.C. Dulles Intl to Bismarck
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Highest demand for flights based on searches. 20% potential increase in price ($111 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Dulles Intl to Bismarck

Cheapest flights from Dulles Intl to Bismarck
Explore the most affordable flight options available from Dulles Intl to Bismarck. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

This Delta deal was found by Cheapflights users on 8/18. 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.
Sun 11/96:15 amIAD - BIS
1 stop7h 29mDelta
Sat 11/157:31 amBIS - IAD
1 stop5h 03mDelta
Deal found 8/18$314
This American Airlines deal was found by Cheapflights users on 8/18. 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.
Wed 9/36:25 amIAD - BIS
1 stop8h 36mAmerican Airlines
Sat 9/62:32 pmBIS - IAD
1 stop7h 16mAmerican Airlines
Deal found 8/18$319
This Delta deal was found by Cheapflights users on 8/18. 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.
Tue 9/23:26 pmIAD - BIS
2 stops8h 52mDelta
Sat 9/63:35 pmBIS - IAD
1 stop7h 05mDelta
Deal found 8/18$344
This American Airlines deal was found by Cheapflights users on 8/19. 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.
Mon 11/176:04 amIAD - BIS
1 stop8h 54mAmerican Airlines
Wed 12/176:29 amBIS - IAD
1 stop8h 37mAmerican Airlines
Deal found 8/19$376
This Delta deal was found by Cheapflights users on 8/19. 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 9/176:15 amIAD - BIS
1 stop7h 19mDelta
Sun 9/215:00 amBIS - IAD
1 stop5h 18mDelta
Deal found 8/19$378
This American Airlines deal was found by Cheapflights users on 8/18. 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 10/56:25 amIAD - BIS
1 stop8h 36mAmerican Airlines
Wed 10/82:49 pmBIS - IAD
1 stop7h 02mAmerican Airlines
Deal found 8/18$421
This United Airlines deal was found by Cheapflights users on 8/19. 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 9/1610:25 amIAD - BIS
1 stop7h 09mUnited Airlines
Wed 9/1711:35 amBIS - IAD
1 stop6h 38mUnited Airlines
Deal found 8/19$427
This American Airlines deal was found by Cheapflights users on 8/19. 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 11/211:58 pmIAD - BIS
2 stops23h 27mAmerican Airlines
Sun 11/2312:55 pmBIS - IAD
2 stops18h 46mAmerican Airlines
Deal found 8/19$443

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Bismarck 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 August 20, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Bismarck that are best for you.

Fly from

Dulles Intl

Fly to

Bismarck

Route

Depart

Return

Price

Washington, D.C.Bismarck

IAD - BIS

IADBIS

Washington, D.C. Dulles Intl

Sun 11/9

6:15 am-12:44 pm

1 stop7h 29m

Bismarck

Sat 11/15

7:31 am-1:34 pm

1 stop5h 03m

$314

Washington, D.C.Bismarck

IAD - BIS

IADBIS

Washington, D.C. Dulles Intl

Wed 9/3

6:25 am-2:01 pm

1 stop8h 36m

Bismarck

Sat 9/6

2:32 pm-10:48 pm

1 stop7h 16m

$319

Washington, D.C.Bismarck

IAD - BIS

IADBIS

Washington, D.C. Dulles Intl

Tue 9/2

3:26 pm-11:18 pm

2 stops8h 52m

Bismarck

Sat 9/6

3:35 pm-11:40 pm

1 stop7h 05m

$344

Washington, D.C.Bismarck

IAD - BIS

IADBIS

Washington, D.C. Dulles Intl

Mon 11/17

6:04 am-1:58 pm

1 stop8h 54m

Bismarck

Wed 12/17

6:29 am-4:06 pm

1 stop8h 37m

$376

Washington, D.C.Bismarck

IAD - BIS

IADBIS

Washington, D.C. Dulles Intl

Wed 9/17

6:15 am-12:34 pm

1 stop7h 19m

Bismarck

Sun 9/21

5:00 am-11:18 am

1 stop5h 18m

$378

Washington, D.C.Bismarck

IAD - BIS

IADBIS

Washington, D.C. Dulles Intl

Sun 10/5

6:25 am-2:01 pm

1 stop8h 36m

Bismarck

Wed 10/8

2:49 pm-10:51 pm

1 stop7h 02m

$421

Washington, D.C.Bismarck

IAD - BIS

IADBIS

Washington, D.C. Dulles Intl

Fri 10/10

10:09 pm-12:54 pm

1 stop15h 45m

$308

Washington, D.C.Bismarck

IAD - BIS

IADBIS

Washington, D.C. Dulles Intl

Fri 10/10

6:11 am-2:19 pm

1 stop9h 08m

$339

Washington, D.C.Bismarck

IAD - BIS

IADBIS

Washington, D.C. Dulles Intl

Fri 10/10

9:38 pm-10:43 am

2 stops38h 05m

$347

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/19

Best time to book a flight from Dulles Intl to Bismarck

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

Get insights into the airlines that provide service to Bismarck. 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 Bismarck. Reviews last updated August 20, 2025.
See what other customers who have flown with Delta from Washington, D.C. Dulles Intl Airport to Bismarck have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,982 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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

    Located just 2.5 mi from the city center, Bismarck is the airport most travelers will use when flying to Bismarck from Washington, D.C. Dulles Intl. Booking flights from Washington, D.C. Dulles Intl to Bismarck (BIS) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. Dulles Intl from 1 airline.

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

    For as low as $314, Delta can have you in Bismarck from Washington, D.C. Dulles Intl Airport in 7h 29m. Airlines will cover a distance of 1291 mi. This flight may include one or multiple stops.

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

    Flying on Delta is currently your cheapest option to Bismarck, with prices starting at $236. Delta is currently priced 46% below the average price you’ll pay for this route.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Bismarck 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 Washington, D.C. Dulles Intl Airport to Bismarck?

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Bismarck (average of $346). Flying from Washington, D.C. Dulles Intl Airport to Bismarck in July is currently the most expensive (average of $426). 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

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Dulles Intl to Bismarck

Discover the top airline that operate flights from Dulles Intl to Bismarck. 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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$236Average$403FlexibilityNo cancel feeOn-timeN/A

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