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Dulles Intl

$214+ 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
BIS — IAD
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
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 August 14, 2025.

Round-trip from

$269
(American Airlines)

One-way from

$214
(Delta)

Popular in

October

Cheapest in

March

Average price

$369
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 August 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 August 14, 2025.

This American Airlines deal was found by Cheapflights users on 8/13. 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.
Wed 9/102:32 pmBIS - IAD
1 stop7h 16mAmerican Airlines
Wed 9/176:25 amIAD - BIS
1 stop8h 36mAmerican Airlines
Deal found 8/13$269
This Delta deal was found by Cheapflights users on 8/13. 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.
Wed 9/1011:20 amBIS - IAD
2 stops11h 05mDelta
Tue 9/306:15 amIAD - BIS
1 stop7h 19mDelta
Deal found 8/13$319
This American Airlines deal was found by Cheapflights users on 8/14. 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 8/14$326
This Delta deal was found by Cheapflights users on 8/13. 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 10/16:00 amIAD - BIS
2 stops7h 34mDelta
Deal found 8/13$383
This American Airlines deal was found by Cheapflights users on 8/13. 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 9/262:32 pmBIS - IAD
1 stop7h 13mAmerican Airlines
Mon 9/296:25 amIAD - BIS
1 stop8h 36mAmerican Airlines
Deal found 8/13$412
This United Airlines deal was found by Cheapflights users on 8/13. 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 8/286:00 amBIS - IAD
1 stop8h 34mUnited Airlines
Mon 9/15:47 pmIAD - BIS
1 stop6h 52mUnited Airlines
Deal found 8/13$413
This Delta deal was found by Cheapflights users on 8/14. 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 9/95:42 pmBIS - IAD
1 stop4h 58mDelta
Tue 9/166:15 amIAD - BIS
1 stop7h 19mDelta
Deal found 8/14$429
This Delta deal was found by Cheapflights users on 8/13. 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.
Wed 8/275:42 pmBIS - IAD
1 stop4h 58mDelta
Sun 8/316:15 amIAD - BIS
1 stop6h 19mDelta
Deal found 8/13$499

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 August 14, 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

Wed 9/10

2:32 pm-10:48 pm

1 stop7h 16m

Washington, D.C. Dulles Intl

Wed 9/17

6:25 am-2:01 pm

1 stop8h 36m

$269

BismarckWashington, D.C.

BIS - IAD

BISIAD

Bismarck

Sat 9/27

2:32 pm-10:46 pm

1 stop7h 14m

Washington, D.C. Dulles Intl

Wed 10/1

6:25 am-2:01 pm

1 stop8h 36m

$269

BismarckWashington, D.C.

BIS - IAD

BISIAD

Bismarck

Wed 9/10

2:32 pm-10:48 pm

1 stop7h 16m

Washington, D.C. Dulles Intl

Tue 9/30

6:25 am-2:01 pm

1 stop8h 36m

$269

BismarckWashington, D.C.

BIS - IAD

BISIAD

Bismarck

Wed 9/10

11:20 am-11:25 pm

2 stops11h 05m

Washington, D.C. Dulles Intl

Wed 9/17

6:15 am-12:34 pm

1 stop7h 19m

$319

BismarckWashington, D.C.

BIS - IAD

BISIAD

Bismarck

Wed 9/10

11:20 am-11:25 pm

2 stops11h 05m

Washington, D.C. Dulles Intl

Tue 9/30

6:15 am-12:34 pm

1 stop7h 19m

$319

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

6:00 am-12:34 pm

2 stops7h 34m

$383

BismarckWashington, D.C.

BIS - IAD

BISIAD

Bismarck

Fri 9/26

2:32 pm-10:45 pm

1 stop7h 13m

Washington, D.C. Dulles Intl

Mon 9/29

6:25 am-2:01 pm

1 stop8h 36m

$412

BismarckWashington, D.C.

BIS - IAD

BISIAD

Bismarck

Thu 8/28

6:00 am-3:34 pm

1 stop8h 34m

Washington, D.C. Dulles Intl

Mon 9/1

5:47 pm-11:39 pm

1 stop6h 52m

$413

BismarckWashington, D.C.

BIS - IAD

BISIAD

Bismarck

Tue 8/26

5:42 pm-11:40 pm

1 stop4h 58m

$214

BismarckWashington, D.C.

BIS - IAD

BISIAD

Bismarck

Tue 8/26

6:23 am-6:52 pm

2 stops11h 29m

$373

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 11 results
1
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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 August 14, 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
7,980 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

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
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

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.

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

    According to our current data, Delta ($218), 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, July is the cheapest month in which you can book a flight from Bismarck to Washington, D.C. Dulles Intl Airport (average of $302). 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
Fredericksburg
Gaithersburg
Towson
Linthicum Heights
Fairfax
Manassas
Falls Church
Laurel
Rockville
Oxon Hill
National Harbor
Dundalk
Waldorf
Bowie

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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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$218Average$348FlexibilityNo cancel feeOn-timeN/A

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