HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Bismarck

$161+ 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BIS
Aug 27 — Sep 31
Thu 8/27
Thu 9/3
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Bismarck with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 July 28, 2026.

This Delta deal was found by Cheapflights users on 7/23. 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 9/256:10 am
IAD
-
BIS
1 stop7h 27m
Delta
Fri 10/25:40 pm
BIS
-
IAD
1 stop4h 43m
Delta
Deal found 7/23$339
This American Airlines deal was found by Cheapflights users on 7/23. 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 9/256:52 am
IAD
-
BIS
1 stop7h 35m
American Airlines
Mon 10/512:56 pm
BIS
-
IAD
2 stops10h 02m
American Airlines
Deal found 7/23$344
This Delta deal was found by Cheapflights users on 7/28. 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.
Thu 8/206:00 am
IAD
-
BIS
1 stop5h 30m
Delta
Tue 8/2511:10 am
BIS
-
IAD
1 stop5h 59m
Delta
Deal found 7/28$349
This American Airlines deal was found by Cheapflights users on 7/27. 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.
Thu 8/272:53 pm
IAD
-
BIS
1 stop8h 51m
American Airlines
Mon 8/3112:58 pm
BIS
-
IAD
2 stops8h 57m
American Airlines
Deal found 7/27$354
This American Airlines deal was found by Cheapflights users on 7/26. 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.
Thu 8/201:23 pm
IAD
-
BIS
2 stops10h 21m
American Airlines
Tue 8/2512:58 pm
BIS
-
IAD
2 stops8h 57m
American Airlines
Deal found 7/26$359
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Fri 9/255:27 pm
IAD
-
BIS
1 stop7h 16m
United Airlines
Sat 10/39:05 am
BIS
-
IAD
1 stop7h 30m
United Airlines
Deal found 7/23$364
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Fri 8/212:43 pm
IAD
-
BIS
1 stop6h 50m
United Airlines
Mon 8/241:40 pm
BIS
-
IAD
1 stop8h 39m
United Airlines
Deal found 7/27$366
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Thu 11/56:10 am
IAD
-
BIS
1 stop7h 17m
United Airlines
Sun 11/89:00 am
BIS
-
IAD
1 stop9h 30m
United Airlines
Deal found 7/24$374
This Delta deal was found by Cheapflights users on 7/27. 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 8/166:00 am
IAD
-
BIS
1 stop5h 30m
Delta
Fri 10/235:42 pm
BIS
-
IAD
1 stop4h 44m
Delta
Deal found 7/27$384
This Delta deal was found by Cheapflights users on 7/27. 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.
Thu 8/2711:44 am
IAD
-
BIS
1 stop6h 12m
Delta
Mon 8/315:36 pm
BIS
-
IAD
1 stop4h 45m
Delta
Deal found 7/27$394

Find 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 July 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$339
(Delta)

One-way from

$161
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$568
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. 10% potential increase in price ($61 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 July 28, 2026.
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 - BIS

IADBIS

Washington, D.C. Dulles Intl

Fri 9/25

6:10 am-12:37 pm

1 stop7h 27m

Bismarck

Fri 10/2

5:40 pm-11:23 pm

1 stop4h 43m

$339

Washington, D.C.Bismarck

IAD - BIS

IADBIS

Washington, D.C. Dulles Intl

Fri 8/21

6:00 am-10:30 am

1 stop5h 30m

Bismarck

Tue 8/25

11:10 am-6:09 pm

1 stop5h 59m

$349

Washington, D.C.Bismarck

IAD - BIS

IADBIS

Washington, D.C. Dulles Intl

Fri 9/25

5:27 pm-11:43 pm

1 stop7h 16m

Bismarck

Sat 10/3

9:05 am-5:35 pm

1 stop7h 30m

$364
Quickest round-trip

Washington, D.C.Bismarck

IAD - BIS

IADBIS

Washington, D.C. Dulles Intl

Sun 8/16

6:00 am-10:30 am

1 stop5h 30m

Bismarck

Fri 10/23

5:42 pm-11:26 pm

1 stop4h 44m

$384

Washington, D.C.Bismarck

IAD - BIS

IADBIS

Washington, D.C. Dulles Intl

Thu 8/20

2:53 pm-10:44 pm

1 stop8h 51m

Bismarck

Tue 8/25

6:45 am-8:56 pm

2 stops13h 11m

$389

Washington, D.C.Bismarck

IAD - BIS

IADBIS

Washington, D.C. Dulles Intl

Fri 9/25

6:10 am-12:37 pm

1 stop7h 27m

Bismarck

Sun 10/4

5:40 pm-11:23 pm

1 stop4h 43m

$389

Washington, D.C.Bismarck

IAD - BIS

IADBIS

Washington, D.C. Dulles Intl

Thu 8/27

11:44 am-4:56 pm

1 stop6h 12m

Bismarck

Mon 8/31

5:36 pm-11:21 pm

1 stop4h 45m

$394

Washington, D.C.Bismarck

IAD - BIS

IADBIS

Washington, D.C. Dulles Intl

Thu 8/20

6:00 am-12:47 pm

1 stop7h 47m

Bismarck

Tue 8/25

11:10 am-12:34 am

2 stops12h 24m

$404
Cheapest one-way

Washington, D.C.Bismarck

IAD - BIS

IADBIS

Washington, D.C. Dulles Intl

Wed 9/2

8:59 am-1:50 pm

1 stop29h 51m

$166

Washington, D.C.Bismarck

IAD - BIS

IADBIS

Washington, D.C. Dulles Intl

Tue 8/25

8:39 pm-1:48 pm

3 stops42h 09m

$202

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/24

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

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 July.
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
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 July 28, 2026.
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
7.4
Good
10,046 reviews

Comfort

7.3

Entertainment

7.1

Crew

8.1

Boarding

7.7

Overall

7.4

Food

6.6

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
7.4
Good
10,046 reviews
United Airlines
7.4
Good
10,046 reviews

Comfort

7.3

Entertainment

7.1

Crew

8.1

Boarding

7.7

Overall

7.4

Food

6.6

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

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 $364, Delta can have you in Bismarck from Washington, D.C. Dulles Intl Airport in 7h 16m. 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 $268.

  • 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

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

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 July 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$268Average$812FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.