HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Bismarck

$289+ 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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BIS
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
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

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 December 23, 2025.

This American Airlines deal was found by Cheapflights users on 12/22. 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.
Tue 2/36:00 amIAD - BIS
1 stop9h 24mAmerican Airlines
Tue 3/32:40 pmBIS - IAD
1 stop7h 08mAmerican Airlines
Deal found 12/22$289
This Delta deal was found by Cheapflights users on 12/22. 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 2/37:15 amIAD - BIS
2 stops10h 19mDelta
Tue 3/311:18 amBIS - IAD
2 stops10h 51mDelta
Deal found 12/22$299
This United Airlines deal was found by Cheapflights users on 12/22. 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.
Mon 1/125:15 pmIAD - BIS
1 stop7h 15mUnited Airlines
Fri 4/101:45 pmBIS - IAD
1 stop8h 49mUnited Airlines
Deal found 12/22$424
This Delta deal was found by Cheapflights users on 12/21. 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.
Sat 1/177:00 amIAD - BIS
1 stop6h 23mDelta
Wed 1/215:00 amBIS - IAD
1 stop7h 35mDelta
Deal found 12/21$324
This Delta deal was found by Cheapflights users on 12/22. 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 2/57:00 amIAD - BIS
1 stop6h 46mDelta
Thu 2/125:26 pmBIS - IAD
1 stop5h 29mDelta
Deal found 12/22$324
This Delta deal was found by Cheapflights users on 12/21. 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.
Sat 1/177:00 amIAD - BIS
1 stop6h 23mDelta
Tue 1/205:00 amBIS - IAD
1 stop7h 35mDelta
Deal found 12/21$324
This Delta deal was found by Cheapflights users on 12/21. 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 1/157:00 amIAD - BIS
1 stop6h 23mDelta
Sun 1/185:00 amBIS - IAD
2 stops10h 46mDelta
Deal found 12/21$329
This Delta deal was found by Cheapflights users on 12/21. 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.
Sat 1/32:21 pmIAD - BIS
1 stop6h 28mDelta
Wed 1/75:00 amBIS - IAD
2 stops10h 46mDelta
Deal found 12/21$379
This Delta deal was found by Cheapflights users on 12/21. 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.
Mon 4/136:37 pmIAD - BIS
1 stop5h 55mDelta
Sat 4/185:00 pmBIS - IAD
1 stop5h 36mDelta
Deal found 12/21$424

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 December 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$289
(American Airlines)

Popular in

July

Cheapest in

February

Average price

$444
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
Highest demand for flights based on searches. 16% potential increase in price ($89 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 23, 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

Tue 2/3

6:00 am-2:24 pm

1 stop9h 24m

Bismarck

Tue 3/3

2:40 pm-10:48 pm

1 stop7h 08m

$289

Washington, D.C.Bismarck

IAD - BIS

IADBIS

Washington, D.C. Dulles Intl

Tue 2/3

7:15 am-4:34 pm

2 stops10h 19m

Bismarck

Tue 3/3

11:18 am-11:09 pm

2 stops10h 51m

$299

Washington, D.C.Bismarck

IAD - BIS

IADBIS

Washington, D.C. Dulles Intl

Sat 1/17

7:00 am-12:23 pm

1 stop6h 23m

Bismarck

Wed 1/21

5:00 am-1:35 pm

1 stop7h 35m

$324

Washington, D.C.Bismarck

IAD - BIS

IADBIS

Washington, D.C. Dulles Intl

Thu 2/5

7:00 am-12:46 pm

1 stop6h 46m

Bismarck

Thu 2/12

5:26 pm-11:55 pm

1 stop5h 29m

$324

Washington, D.C.Bismarck

IAD - BIS

IADBIS

Washington, D.C. Dulles Intl

Sat 1/17

7:00 am-12:23 pm

1 stop6h 23m

Bismarck

Tue 1/20

5:00 am-1:35 pm

1 stop7h 35m

$324

Washington, D.C.Bismarck

IAD - BIS

IADBIS

Washington, D.C. Dulles Intl

Thu 1/15

7:00 am-12:23 pm

1 stop6h 23m

Bismarck

Sun 1/18

5:00 am-4:46 pm

2 stops10h 46m

$329

Washington, D.C.Bismarck

IAD - BIS

IADBIS

Washington, D.C. Dulles Intl

Sat 1/3

2:21 pm-7:49 pm

1 stop6h 28m

Bismarck

Wed 1/7

5:00 am-4:46 pm

2 stops10h 46m

$379

Washington, D.C.Bismarck

IAD - BIS

IADBIS

Washington, D.C. Dulles Intl

Mon 1/12

5:15 pm-11:30 pm

1 stop7h 15m

Bismarck

Fri 4/10

1:45 pm-11:34 pm

1 stop8h 49m

$424

Washington, D.C.Bismarck

IAD - BIS

IADBIS

Washington, D.C. Dulles Intl

Mon 4/13

6:37 pm-11:32 pm

1 stop5h 55m

Bismarck

Sat 4/18

5:00 pm-11:36 pm

1 stop5h 36m

$424

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

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 December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy2 starsTrust Score*3 stars
PricelinePrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Dulles Intl Airport-Bismarck flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

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 0 different airlines.

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

    For as low as $289, American Airlines can have you in Bismarck from Washington, D.C. Dulles Intl Airport in 9h 24m. Airlines will cover a distance of 1291 mi. This flight may include one or multiple stops.

  • 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.

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.