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Bismarck

$379+ Cheap flights from Dulles Intl (IAD) to Bismarck (BIS)

IAD — BIS
Nov 25 — Dec 21
Wed 11/25
Wed 12/2
1 adult, Economy
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Cheap flight deals from Dulles Intl to Bismarck

Cheapest flights from Dulles Intl to Bismarck

Fri 12/45:30 pm -
1 stop7h 14m
Sun 12/135:40 am -
1 stop6h 17m
Deal found 10/25$379
Fri 12/47:26 am -
1 stop5h 35m
Sun 12/133:45 pm -
2 stops6h 38m
Deal found 10/25$432
Fri 12/42:42 pm -
1 stop8h 09m
Sun 12/131:17 pm -
2 stops7h 48m
Deal found 10/25$436
Fri 11/1312:01 pm -
1 stop8h 30m
Fri 11/205:40 pm -
1 stop4h 41m
Deal found 10/23$447
Fri 11/62:05 pm -
1 stop7h 24m
Tue 11/109:00 am -
1 stop9h 30m
Deal found 10/22$449
Tue 11/107:18 am -
1 stop7h 10m
Tue 11/171:58 pm -
1 stop8h 32m
Deal found 10/22$467
Fri 11/66:10 am -
1 stop7h 17m
Mon 11/91:02 pm -
1 stop9h 13m
Deal found 10/25$484
Tue 11/108:05 am -
2 stops9h 36m
Tue 11/173:13 pm -
2 stops8h 28m
Deal found 10/22$497
Tue 11/107:18 am -
1 stop7h 10m
Sat 11/141:11 pm -
2 stops8h 48m
Deal found 10/26$508

Find flight deals from Dulles Intl to Bismarck

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$379
(United Airlines)

Popular in

August

Cheapest in

November

Average price

$428
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Bismarck flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Bismarck flights.
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From Washington, D.C. Dulles Intl to Bismarck
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Highest demand for flights based on searches. 19% potential increase in price ($126 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in October 2026
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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.

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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 11/21

7:25 am-2:32 pm

1 stop8h 07m

Bismarck

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$396

Washington, D.C.Bismarck

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

IADBIS

Washington, D.C. Dulles Intl

Fri 12/4

7:26 am-12:01 pm

1 stop5h 35m

Bismarck

Sun 12/13

3:45 pm-11:23 pm

2 stops6h 38m

$432

Washington, D.C.Bismarck

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

IADBIS

Washington, D.C. Dulles Intl

Fri 11/6

2:05 pm-8:29 pm

1 stop7h 24m

Bismarck

Tue 11/10

9:00 am-7:30 pm

1 stop9h 30m

$449

Washington, D.C.Bismarck

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

IADBIS

Washington, D.C. Dulles Intl

Fri 11/13

12:32 pm-7:31 pm

2 stops7h 59m

Bismarck

Fri 11/20

5:40 pm-11:21 pm

1 stop4h 41m

$452

Washington, D.C.Bismarck

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

IADBIS

Washington, D.C. Dulles Intl

Fri 1/8

5:28 pm-11:44 pm

1 stop7h 16m

Bismarck

Tue 1/12

1:23 pm-9:28 pm

1 stop7h 05m

$489

Washington, D.C.Bismarck

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

IADBIS

Washington, D.C. Dulles Intl

Thu 11/5

12:20 pm-7:55 pm

2 stops8h 35m

Bismarck

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$498

Washington, D.C.Bismarck

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

IADBIS

Washington, D.C. Dulles Intl

Fri 12/18

10:11 am-7:46 pm

2 stops10h 35m

Bismarck

Sun 12/20

5:00 am-2:18 pm

1 stop8h 18m

$518

Washington, D.C.Bismarck

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

IADBIS

Washington, D.C. Dulles Intl

Thu 11/5

5:13 pm-11:25 pm

2 stops7h 12m

Bismarck

Mon 11/9

12:37 pm-11:21 pm

2 stops9h 44m

$537

Washington, D.C.Bismarck

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

IADBIS

Washington, D.C. Dulles Intl

Thu 11/5

2:28 pm-7:55 pm

1 stop6h 27m

Bismarck

Sun 11/8

5:00 am-11:21 am

1 stop5h 21m

$547

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Sorted 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 October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice 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 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.
Estimated round-trip price

Reviews of airlines servicing Bismarck

See what other customers who have flown with 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.
United Airlines
7.3
Good
10,440 reviews

Food

6.7

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.3

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
United Airlines
7.3
Good
10,440 reviews
United Airlines
7.3
Good
10,440 reviews

Food

6.7

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.3

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

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 1 airline.

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

    For as low as $432, Delta can have you in Bismarck from Washington, D.C. Dulles Intl Airport in 5h 35m. 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 United Airlines is currently your cheapest option to Bismarck, with prices starting at $368.

  • 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

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Dulles Intl to Bismarck

AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$368Average$960FlexibilityNo cancel feeOn-time69%

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