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

For as low as $339, United Airlines can have you in Bismarck from Washington, D.C. Dulles Intl Airport in 6h 50m. Airlines will cover a distance of 1291 mi. This flight may include one or multiple stops.

What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Bismarck round-trip?

Flying on United Airlines is currently your cheapest option to Bismarck, with prices starting at $268. Another option worth looking into is Delta, starting at $348 round trip.

In terms of precipitation, rainfall in Bismarck ranges from 0.4 - 3.2 inches per month. June is typically the wettest month, when rainfall can reach 3.2 in. January is typically the driest time to visit Bismarck when rainfall is around 0.4 in.

If weather is an important factor for your trip to Bismarck, 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 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 12.2 F).

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

When flying from Washington, D.C. Dulles Intl Airport to Bismarck, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Washington, D.C. Dulles Intl Airport-Bismarck flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Bismarck flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Bismarck flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Washington, D.C. Dulles Intl Airport-Bismarck 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 Washington, D.C. Dulles Intl Airport-Bismarck flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 2 different airlines.

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.

$207+ Cheap Flights from Washington, D.C. Dulles Intl Airport to Bismarck

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Cheap flight deals from Dulles Intl to Bismarck

Cheapest

Best

Last-minute

One-way

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 26, 2026.

Sat 9/262:43 pm -

1 stop6h 50m

Tue 9/296:00 am -

1 stop6h 30m

Deal found 8/25

$339

Tue 10/207:23 am -

1 stop8h 15m

Thu 10/295:00 am -

1 stop5h 21m

Deal found 8/21

$369

Sat 10/1012:20 pm -

2 stops8h 35m

Sat 10/178:11 am -

1 stop4h 37m

Deal found 8/21

$374

Sat 10/105:01 am -

2 stops8h 22m

Sat 10/1712:56 pm -

2 stops10h 02m

Deal found 8/21

$379

Sat 9/264:56 pm -

1 stop6h 56m

Tue 9/291:13 pm -

2 stops8h 38m

Deal found 8/25

$382

Sat 9/56:00 am -

1 stop7h 47m

Sun 9/65:36 pm -

1 stop4h 45m

Deal found 8/25

$413

Sat 10/102:43 pm -

1 stop6h 37m

Sat 10/171:40 pm -

1 stop8h 45m

Deal found 8/21

$425

Sat 9/52:50 pm -

1 stop5h 56m

Wed 9/98:01 am -

1 stop4h 30m

Deal found 8/25

$432

Mon 9/216:10 am -

1 stop7h 27m

Mon 9/281:17 pm -

2 stops10h 24m

Deal found 8/24

$441

Best flights from Dulles Intl to Bismarck
Discover carefully curated flight deals from Dulles Intl to Bismarck that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 26, 2026.

Sat 9/262:43 pm -

1 stop6h 50m

Tue 9/296:00 am -

1 stop6h 30m

Deal found 8/25

$339

Tue 10/207:23 am -

1 stop8h 15m

Thu 10/295:00 am -

1 stop5h 21m

Deal found 8/21

$369

Mon 9/216:10 am -

1 stop7h 27m

Mon 9/281:17 pm -

2 stops10h 24m

Deal found 8/24

$441

Sat 10/312:05 pm -

1 stop7h 24m

Wed 11/45:50 am -

1 stop6h 05m

Deal found 8/25

$481

Sat 9/52:50 pm -

1 stop5h 56m

Tue 9/81:17 pm -

1 stop23h 14m

Deal found 8/25

$585

Fri 10/910:14 am -

2 stops10h 41m

Tue 10/135:00 am -

1 stop5h 21m

Deal found 8/23

$594

Last-minute flights from Dulles Intl to Bismarck
Discover last-minute flight deals from Dulles Intl to Bismarck. Data last updated August 26, 2026 and is based on user searches.

Sat 9/56:00 am -

1 stop7h 47m

Sun 9/65:36 pm -

1 stop4h 45m

Deal found 8/25

$413

Sat 9/52:50 pm -

1 stop5h 56m

Wed 9/98:01 am -

1 stop4h 30m

Deal found 8/25

$432

Sun 9/66:00 am -

1 stop7h 47m

Sun 9/65:36 pm -

1 stop4h 45m

Deal found 8/25

$456

Sun 9/66:00 am -

1 stop7h 47m

Wed 9/95:00 am -

1 stop7h 31m

Deal found 8/25

$475

Mon 9/216:10 am -

1 stop7h 27m

Mon 9/281:17 pm -

2 stops10h 24m

Deal found 8/24

$441

Sat 9/262:43 pm -

1 stop6h 50m

Tue 9/296:00 am -

1 stop6h 30m

Deal found 8/25

$339

Sat 9/264:56 pm -

1 stop6h 56m

Tue 9/291:13 pm -

2 stops8h 38m

Deal found 8/25

$382

Sat 9/263:15 pm -

2 stops8h 56m

Tue 9/295:00 am -

2 stops8h 11m

Deal found 8/25

$446

One-way flights from Dulles Intl to Bismarck
Search for one-way flight options from Dulles Intl to Bismarck. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.

Wed 9/96:35 am -

1 stop32h 15m

Deal found 8/24

$207

Tue 9/88:39 pm -

3 stops42h 11m

Deal found 8/24

$281

Tue 9/226:52 am -

1 stop7h 35m

Deal found 8/24

$283

Tue 9/2211:44 am -

1 stop6h 16m

Deal found 8/24

$340

Thu 10/111:12 am -

3 stops34h 42m

Deal found 8/23

$366

Thu 10/16:10 am -

2 stops7h 27m

Deal found 8/23

$410

Tue 9/85:26 pm -

1 stop7h 12m

Deal found 8/24

$450

Find flight deals from Dulles Intl to Bismarck

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$339 (United Airlines)
One-way from	$207 (Kiwi.com)
Popular in	August
Cheapest in	November
Average price	$886

Provider with most accurate pricing for Washington, D.C. Dulles Intl-Bismarck flight deals.

Search Deals

Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Bismarck flights.

Search Deals

From Washington, D.C. Dulles Intl to Bismarck

Search Deals

One-way flight from Washington, D.C. Dulles Intl to Bismarck

Search Deals

Highest demand for flights based on searches. 16% potential increase in price ($109 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 7% potential price decrease ($37 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

Washington, D.C.Bismarck

IAD Washington, D.C. Dulles Intl - BIS Bismarck

IADBIS

Washington, D.C. Dulles Intl

Sat 9/26

2:43 pm-8:33 pm

1 stop6h 50m

Bismarck

Tue 9/29

6:00 am-1:30 pm

1 stop6h 30m

$339

Washington, D.C.Bismarck

IAD Washington, D.C. Dulles Intl - BIS Bismarck

IADBIS

Washington, D.C. Dulles Intl

Tue 10/20

7:23 am-2:38 pm

1 stop8h 15m

Bismarck

Thu 10/29

5:00 am-11:21 am

1 stop5h 21m

$369

Washington, D.C.Bismarck

IAD Washington, D.C. Dulles Intl - BIS Bismarck

IADBIS

Washington, D.C. Dulles Intl

Mon 9/21

6:10 am-12:37 pm

1 stop7h 27m

Bismarck

Mon 9/28

1:17 pm-12:41 am

2 stops10h 24m

$441

Washington, D.C.Bismarck

IAD Washington, D.C. Dulles Intl - BIS Bismarck

IADBIS

Washington, D.C. Dulles Intl

Sat 10/31

2:05 pm-8:29 pm

1 stop7h 24m

Bismarck

Wed 11/4

5:50 am-12:55 pm

1 stop6h 05m

$481

Washington, D.C.Bismarck

IAD Washington, D.C. Dulles Intl - BIS Bismarck

IADBIS

Washington, D.C. Dulles Intl

Sat 9/5

2:50 pm-7:46 pm

1 stop5h 56m

Bismarck

Tue 9/8

1:17 pm-1:31 pm

1 stop23h 14m

$585

Washington, D.C.Bismarck

IAD Washington, D.C. Dulles Intl - BIS Bismarck

IADBIS

Washington, D.C. Dulles Intl

Fri 10/9

10:14 am-7:55 pm

2 stops10h 41m

Bismarck

Tue 10/13

5:00 am-11:21 am

1 stop5h 21m

$594

Cheapest one-way

Washington, D.C.Bismarck

IAD Washington, D.C. Dulles Intl - BIS Bismarck

IADBIS

Washington, D.C. Dulles Intl

Wed 9/9

6:35 am-1:50 pm

1 stop32h 15m

$207

Washington, D.C.Bismarck

IAD Washington, D.C. Dulles Intl - BIS Bismarck

IADBIS

Washington, D.C. Dulles Intl

Tue 9/22

6:52 am-1:27 pm

1 stop7h 35m

$283

Washington, D.C.Bismarck

IAD Washington, D.C. Dulles Intl - BIS Bismarck

IADBIS

Washington, D.C. Dulles Intl

Thu 10/1

6:00 am-9:25 pm

1 stop16h 25m

$312

Quickest one-way

Washington, D.C.Bismarck

IAD Washington, D.C. Dulles Intl - BIS Bismarck

IADBIS

Washington, D.C. Dulles Intl

Tue 9/22

11:44 am-5:00 pm

1 stop6h 16m

$340

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/24

Showing 1-10 of 12 resultsSorted by cheapest first

Compare providers for flights from Dulles Intl to Bismarck

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Bismarck in August.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust 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 Washington, D.C. Dulles Intl Airport-Bismarck flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Bismarck flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Bismarck flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Bismarck 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 Washington, D.C. Dulles Intl Airport-Bismarck 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 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.

IAD-BIS

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

See what other customers who have flown with Delta and United Airlines 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

7.8

Good

8,530 reviews

Reviews

1 / 20

8.0

Excellent

Jorge,Aug 2026

TPA - ATL

Although I still enjoy flying Delta, the overall flying experience feels cheapened. But I guess that is true of most, if not all american carriers.

Delta

7.8

Good

8,530 reviews

Delta

7.8

Good

8,530 reviews

Reviews

1 / 20

8.0

Excellent

Jorge,Aug 2026

TPA - ATL

Although I still enjoy flying Delta, the overall flying experience feels cheapened. But I guess that is true of most, if not all american carriers.

United Airlines

7.4

Good

10,122 reviews

Delta

7.8

Good

8,530 reviews

Reviews

1 / 20

8.0

Excellent

Jorge,Aug 2026

TPA - ATL

Although I still enjoy flying Delta, the overall flying experience feels cheapened. But I guess that is true of most, if not all american carriers.

Related info for your journey

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 2 different airlines.
How long is the flight from Washington, D.C. Dulles Intl Airport to Bismarck?
For as low as $339, United Airlines can have you in Bismarck from Washington, D.C. Dulles Intl Airport in 6h 50m. Airlines will cover a distance of 1291 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Bismarck round-trip?
Flying on United Airlines is currently your cheapest option to Bismarck, with prices starting at $268. Another option worth looking into is Delta, starting at $348 round trip.
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.

See more FAQs

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Top 2 airlines flying from Dulles Intl to Bismarck

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$268	Average$983	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$348	Average$445	FlexibilityNo cancel fee	On-timeN/A

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$207+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Bismarck with Cheapflights

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Cheap flight deals from Dulles Intl to Bismarck

Cheapest flights from Dulles Intl to BismarckExplore 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 26, 2026.

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 26, 2026.

Best flights from Dulles Intl to BismarckDiscover carefully curated flight deals from Dulles Intl to Bismarck that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 26, 2026.

Discover carefully curated flight deals from Dulles Intl to Bismarck that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 26, 2026.

Last-minute flights from Dulles Intl to BismarckDiscover last-minute flight deals from Dulles Intl to Bismarck. Data last updated August 26, 2026 and is based on user searches.

Discover last-minute flight deals from Dulles Intl to Bismarck. Data last updated August 26, 2026 and is based on user searches.

One-way flights from Dulles Intl to BismarckSearch for one-way flight options from Dulles Intl to Bismarck. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.

Search for one-way flight options from Dulles Intl to Bismarck. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.

Find flight deals from Dulles Intl to Bismarck

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Round-trip from

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Bismarck that are best for you.

Compare providers for flights from Dulles Intl to Bismarck

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 Dulles Intl to Bismarck in August.

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.

Reviews of airlines servicing Bismarck

See what other customers who have flown with Delta and United Airlines 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.

Related info for your journey

What airport do you fly into for flights to Bismarck from Washington, D.C. Dulles Intl?

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

What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Bismarck round-trip?

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to Bismarck

See prices for flight routes from nearby airports that may be better suited for you.

Other flights to Bismarck

Explore flights to Bismarck departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 26, 2026.

Complete your trip

Complete your trip to Bismarck by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Dulles Intl to Bismarck by cabin class

Find flights from Dulles Intl to Bismarck, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Dulles Intl and Bismarck flights

Browse other Dulles Intl and Bismarck flight options. Last updated on August 26, 2026.

Other flights from Dulles Intl

Browse through other flights departing from Dulles Intl. Flights are based on user searches made on Cheapflights and were last updated on August 26, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Top 2 airlines flying from Dulles Intl to Bismarck

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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 26, 2026.

Best flights from Dulles Intl to Bismarck
Discover carefully curated flight deals from Dulles Intl to Bismarck that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 26, 2026.

Last-minute flights from Dulles Intl to Bismarck
Discover last-minute flight deals from Dulles Intl to Bismarck. Data last updated August 26, 2026 and is based on user searches.

One-way flights from Dulles Intl to Bismarck
Search for one-way flight options from Dulles Intl to Bismarck. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.