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Dulles Intl

$268+ Cheap flights from Bismarck (BIS) to Dulles Intl (IAD)

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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
BIS — IAD
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Bismarck to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Bismarck (BIS) to Dulles Intl (IAD). 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 September 17, 2025.

Round-trip from

$269
(American Airlines)

One-way from

$268
(Kiwi.com)

Popular in

October

Cheapest in

March

Average price

$484
From Bismarck to Washington, D.C. Dulles Intl
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One-way flight from Bismarck to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 32% potential increase in price ($222 potential increase over avg. RT price).
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Cheapest flight prices on average. 10% potential price decrease ($46 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Bismarck to Dulles Intl

Cheapest flights from Bismarck to Dulles Intl
Explore the most affordable flight options available from Bismarck to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This American Airlines deal was found by Cheapflights users on 9/16. 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.
Sat 12/132:52 pmBIS - IAD
1 stop6h 36mAmerican Airlines
Tue 12/166:00 amIAD - BIS
1 stop9h 22mAmerican Airlines
Deal found 9/16$269
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 11/191:56 pmBIS - IAD
1 stop6h 25mUnited Airlines
Sun 11/235:18 pmIAD - BIS
1 stop7h 21mUnited Airlines
Deal found 9/15$301
This United Airlines deal was found by Cheapflights users on 9/16. 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 12/121:50 pmBIS - IAD
1 stop8h 25mUnited Airlines
Tue 12/162:30 pmIAD - BIS
1 stop7h 28mUnited Airlines
Deal found 9/16$314
This Delta deal was found by Cheapflights users on 9/15. 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 9/305:00 amBIS - IAD
1 stop5h 18mDelta
Sat 10/46:15 amIAD - BIS
1 stop6h 20mDelta
Deal found 9/15$319
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Sat 12/131:50 pmBIS - IAD
1 stop8h 25mUnited Airlines
Mon 12/155:15 pmIAD - BIS
1 stop6h 53mUnited Airlines
Deal found 9/16$347
This Delta deal was found by Cheapflights users on 9/15. 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 9/273:35 pmBIS - IAD
1 stop7h 03mDelta
Wed 10/16:15 amIAD - BIS
1 stop7h 19mDelta
Deal found 9/15$349
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Sat 9/276:19 amBIS - IAD
2 stops11h 28mAmerican Airlines
Wed 10/16:25 amIAD - BIS
1 stop8h 36mAmerican Airlines
Deal found 9/15$354
This Delta deal was found by Cheapflights users on 9/17. 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 9/265:32 pmBIS - IAD
1 stop5h 06mDelta
Mon 9/296:15 amIAD - BIS
1 stop7h 19mDelta
Deal found 9/17$379

Cheapflights Fare Finder

 
Customize your flight search to find flights from Bismarck to Dulles Intl 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 September 17, 2025.
Use the filters below to find and compare flights from Bismarck to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Bismarck

Fly to

Dulles Intl

Route

Depart

Return

Price

BismarckWashington, D.C.

BIS - IAD

BISIAD

Bismarck

Sat 12/13

2:52 pm-10:28 pm

1 stop6h 36m

Washington, D.C. Dulles Intl

Tue 12/16

6:00 am-2:22 pm

1 stop9h 22m

$269

BismarckWashington, D.C.

BIS - IAD

BISIAD

Bismarck

Tue 3/3

5:30 pm-11:35 pm

1 stop5h 05m

Washington, D.C. Dulles Intl

Sat 3/7

11:00 am-7:57 pm

2 stops9h 57m

$299

BismarckWashington, D.C.

BIS - IAD

BISIAD

Bismarck

Fri 12/12

1:50 pm-11:15 pm

1 stop8h 25m

Washington, D.C. Dulles Intl

Tue 12/16

2:30 pm-8:58 pm

1 stop7h 28m

$314

BismarckWashington, D.C.

BIS - IAD

BISIAD

Bismarck

Tue 9/30

5:00 am-11:18 am

1 stop5h 18m

Washington, D.C. Dulles Intl

Sat 10/4

6:15 am-11:35 am

1 stop6h 20m

$319

BismarckWashington, D.C.

BIS - IAD

BISIAD

Bismarck

Sat 12/13

1:50 pm-11:15 pm

1 stop8h 25m

Washington, D.C. Dulles Intl

Mon 12/15

5:15 pm-11:08 pm

1 stop6h 53m

$347

BismarckWashington, D.C.

BIS - IAD

BISIAD

Bismarck

Sat 9/27

3:35 pm-11:38 pm

1 stop7h 03m

Washington, D.C. Dulles Intl

Wed 10/1

6:15 am-12:34 pm

1 stop7h 19m

$349

BismarckWashington, D.C.

BIS - IAD

BISIAD

Bismarck

Sat 9/27

6:19 am-6:47 pm

2 stops11h 28m

Washington, D.C. Dulles Intl

Wed 10/1

6:25 am-2:01 pm

1 stop8h 36m

$354

BismarckWashington, D.C.

BIS - IAD

BISIAD

Bismarck

Sun 9/28

11:36 am-7:55 pm

3 stops55h 19m

$268

BismarckWashington, D.C.

BIS - IAD

BISIAD

Bismarck

Thu 9/25

11:36 am-12:55 pm

2 stops24h 19m

$271

BismarckWashington, D.C.

BIS - IAD

BISIAD

Bismarck

Tue 9/30

6:00 am-1:28 pm

1 stop6h 28m

$368

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 17 results
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Best time to book a flight from Bismarck to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Bismarck 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 Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated September 17, 2025.
Peruse reviews from past customers who have flown with Delta from Bismarck to Washington, D.C. Dulles Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,961 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Bismarck to Dulles Intl. 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 from for flights from Bismarck to Washington, D.C. Dulles Intl?

    Bismarck (BIS), located 2.5 mi from the city center, is the airport you fly out of when you book flights from Bismarck to Washington, D.C. Dulles Intl. 1 airline have flights from Bismarck to Washington, D.C. Dulles Intl on a regular basis. Booking flights from Bismarck to Washington, D.C. Dulles Intl should not be difficult; the airport handles an average of 0 outbound flights to Washington, D.C. Dulles Intl per day.

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

    American Airlines, Delta, and United Airlines can get you from Bismarck to Washington, D.C. Dulles Intl Airport in just under 5h 05m. Your travel time can differ by up to 3h 20m. Airlines will cover a distance of 1291 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Bismarck to Washington, D.C. Dulles Intl Airport round-trip?

    According to our current data, Delta ($236), offers the cheapest pricing from Bismarck to Washington, D.C. Dulles Intl Airport.

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

    Yes. In addition to deals on Bismarck to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

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

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Bismarck to Dulles Intl.

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

    Yes. Cheapflights offers flight deals from Bismarck to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Bismarck to Washington, D.C. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Bismarck to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Bismarck to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
National Harbor
Dundalk

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Top airline flying from Bismarck to Dulles Intl

Discover the top airline that operate flights from Bismarck to Dulles Intl. 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$236Average$408FlexibilityNo cancel feeOn-timeN/A

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