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

For as low as $377, Delta can have you in Bismarck from Washington, D.C. Dulles Intl Airport in 5h 26m. 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 Delta is currently your cheapest option to Bismarck, with prices starting at $348. Another option worth looking into is United Airlines, starting at $368 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.

$266+ 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 September 23, 2026.

Thu 10/296:10 am -

1 stop7h 17m

Tue 11/35:50 am -

1 stop6h 05m

Deal found 9/21

$359

Thu 10/295:01 am -

2 stops8h 29m

Tue 11/31:58 pm -

1 stop8h 32m

Deal found 9/18

$364

Thu 10/2912:01 pm -

1 stop5h 50m

Tue 11/38:11 am -

1 stop4h 37m

Deal found 9/21

$377

Wed 11/42:05 pm -

1 stop7h 24m

Wed 11/119:00 am -

1 stop9h 30m

Deal found 9/22

$389

Tue 10/2010:14 am -

2 stops10h 41m

Tue 10/273:18 pm -

2 stops6h 58m

Deal found 9/22

$418

Thu 10/225:01 am -

2 stops8h 22m

Tue 10/272:07 pm -

1 stop8h 16m

Deal found 9/18

$460

Thu 10/226:59 pm -

1 stop5h 26m

Tue 10/2712:40 pm -

1 stop4h 39m

Deal found 9/21

$498

Thu 10/156:00 am -

1 stop16h 26m

Thu 10/2210:36 pm -

1 stop30h 44m

Deal found 9/21

$520

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 September 23, 2026.

Thu 10/296:59 pm -

1 stop5h 26m

Tue 11/35:15 pm -

1 stop5h 11m

Deal found 9/18

$377

Fri 1/84:08 pm -

1 stop8h 43m

Tue 1/121:08 pm -

1 stop9h 05m

Deal found 9/20

$469

Tue 10/207:23 am -

1 stop5h 37m

Tue 10/275:00 am -

2 stops8h 08m

Deal found 9/22

$382

Fri 10/165:27 pm -

1 stop7h 16m

Wed 10/289:00 am -

1 stop7h 53m

Deal found 9/19

$521

Thu 10/226:59 pm -

1 stop5h 26m

Tue 10/2712:40 pm -

1 stop4h 39m

Deal found 9/21

$498

Fri 10/910:14 am -

2 stops10h 41m

Tue 10/133:18 pm -

2 stops6h 58m

Deal found 9/22

$578

Last-minute flights from Dulles Intl to Bismarck
Discover last-minute flight deals from Dulles Intl to Bismarck. Data last updated September 23, 2026 and is based on user searches.

Thu 10/156:00 am -

1 stop16h 26m

Thu 10/2210:36 pm -

1 stop30h 44m

Deal found 9/21

$520

Fri 10/165:27 pm -

1 stop7h 16m

Wed 10/289:00 am -

1 stop7h 53m

Deal found 9/19

$521

Tue 10/2010:14 am -

2 stops10h 41m

Tue 10/273:18 pm -

2 stops6h 58m

Deal found 9/22

$418

Thu 10/225:01 am -

2 stops8h 22m

Tue 10/272:07 pm -

1 stop8h 16m

Deal found 9/18

$460

Thu 10/226:59 pm -

1 stop5h 26m

Tue 10/2712:40 pm -

1 stop4h 39m

Deal found 9/21

$498

Thu 10/296:10 am -

1 stop7h 17m

Tue 11/35:50 am -

1 stop6h 05m

Deal found 9/21

$359

Thu 10/295:01 am -

2 stops8h 29m

Tue 11/31:58 pm -

1 stop8h 32m

Deal found 9/18

$364

Thu 10/2912:01 pm -

1 stop5h 50m

Tue 11/38:11 am -

1 stop4h 37m

Deal found 9/21

$377

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 September 23, 2026.

Wed 11/49:06 pm -

3 stops25h 48m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/18

$266

Sun 11/17:05 am -

1 stop7h 23m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/18

$338

Wed 11/44:10 pm -

1 stop8h 34m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/18

$339

Tue 10/206:59 pm -

1 stop5h 26m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/20

$356

Fri 10/93:08 pm -

1 stop8h 51m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/22

$439

Fri 10/910:14 am -

2 stops10h 41m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/22

$466

Sun 11/112:31 pm -

3 stops23h 08m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/18

$586

Sun 11/13:04 pm -

2 stops9h 21m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/18

$605

Fri 10/96:00 am -

3 stops39h 41m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/22

$654

Find flight deals from Dulles Intl to Bismarck

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$359 (United Airlines)
One-way from	$266 (Kiwi.com)
Popular in	August
Cheapest in	November
Average price	$518

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 ($110 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 7% potential price decrease ($38 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 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

Washington, D.C.Bismarck

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

IADBIS

Washington, D.C. Dulles Intl

Wed 11/4

9:06 pm-9:54 pm

3 stops25h 48m

Bismarck

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$266

Washington, D.C.Bismarck

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

IADBIS

Washington, D.C. Dulles Intl

Wed 11/4

4:10 pm-11:44 pm

1 stop8h 34m

Bismarck

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$339

Quickest round-trip

Washington, D.C.Bismarck

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

IADBIS

Washington, D.C. Dulles Intl

Tue 10/20

6:59 pm-11:25 pm

1 stop5h 26m

Bismarck

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$356

Washington, D.C.Bismarck

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

IADBIS

Washington, D.C. Dulles Intl

Thu 10/29

6:59 pm-11:25 pm

1 stop5h 26m

Bismarck

Tue 11/3

5:15 pm-11:26 pm

1 stop5h 11m

$377

Washington, D.C.Bismarck

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

IADBIS

Washington, D.C. Dulles Intl

Tue 10/20

7:23 am-12:00 pm

1 stop5h 37m

Bismarck

Tue 10/27

5:00 am-2:08 pm

2 stops8h 08m

$382

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

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$466

Washington, D.C.Bismarck

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

IADBIS

Washington, D.C. Dulles Intl

Fri 1/8

4:08 pm-11:51 pm

1 stop8h 43m

Bismarck

Tue 1/12

1:08 pm-11:13 pm

1 stop9h 05m

$469

Washington, D.C.Bismarck

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

IADBIS

Washington, D.C. Dulles Intl

Thu 10/22

6:59 pm-11:25 pm

1 stop5h 26m

Bismarck

Tue 10/27

12:40 pm-6:19 pm

1 stop4h 39m

$498

Washington, D.C.Bismarck

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

IADBIS

Washington, D.C. Dulles Intl

Fri 10/16

5:27 pm-11:43 pm

1 stop7h 16m

Bismarck

Wed 10/28

9:00 am-5:53 pm

1 stop7h 53m

$521

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

3:18 pm-11:16 pm

2 stops6h 58m

$578

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/18

Showing 1-10 of 13 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 September.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
Expedia	Price Accuracy1 star	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

8,595 reviews

Reviews

1 / 20

4.0

Okay

Jennifer,Sep 2026

ORD - LGA

The flight crew was 30 minutes late to an am flight and then that caused a delay

Delta

7.8

Good

8,595 reviews

Delta

7.8

Good

8,595 reviews

Reviews

1 / 20

4.0

Okay

Jennifer,Sep 2026

ORD - LGA

The flight crew was 30 minutes late to an am flight and then that caused a delay

United Airlines

7.4

Good

10,226 reviews

Delta

7.8

Good

8,595 reviews

Reviews

1 / 20

4.0

Okay

Jennifer,Sep 2026

ORD - LGA

The flight crew was 30 minutes late to an am flight and then that caused a delay

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 $377, Delta can have you in Bismarck from Washington, D.C. Dulles Intl Airport in 5h 26m. 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 Delta is currently your cheapest option to Bismarck, with prices starting at $348. Another option worth looking into is United Airlines, starting at $368 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
Delta	Cheapest$348	Average$445	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$368	Average$983	FlexibilityNo cancel fee	On-time69%

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$266+ Cheap flights from Dulles Intl (IAD) to Bismarck (BIS)

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 11/4. 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 September 23, 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 September 23, 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 September 23, 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 September 23, 2026.

Last-minute flights from Dulles Intl to BismarckDiscover last-minute flight deals from Dulles Intl to Bismarck. Data last updated September 23, 2026 and is based on user searches.

Discover last-minute flight deals from Dulles Intl to Bismarck. Data last updated September 23, 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 September 23, 2026.

Search for one-way flight options from Dulles Intl to Bismarck. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.

Find flight deals from Dulles Intl to Bismarck

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Round-trip from

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Cheapest in

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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 September.

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 September 23, 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 September 23, 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 September 23, 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 September 23, 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 September 23, 2026.

Last-minute flights from Dulles Intl to Bismarck
Discover last-minute flight deals from Dulles Intl to Bismarck. Data last updated September 23, 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 September 23, 2026.