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$328+ 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 4/19. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BIS
mar. 17 — mar. 241
lun. 3/17
lun. 3/24
1 adult, Economy
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Cheap 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 marzo 12, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$328
(American Airlines)

Popular in

May

Cheapest in

September

Average price

$498
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
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($119 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find 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 marzo 12, 2025.

This American Airlines deal was found by Cheapflights users on 3/11. 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.
sáb. 4/192:12 pmIAD - BIS
2 stops9h 04mAmerican Airlines
sáb. 4/262:58 pmBIS - IAD
1 stop6h 44mAmerican Airlines
Deal found 3/11$328
This Delta deal was found by Cheapflights users on 3/11. 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.
sáb. 4/196:00 amIAD - BIS
1 stop6h 05mDelta
sáb. 4/263:20 pmBIS - IAD
1 stop7h 20mDelta
Deal found 3/11$347
This United Airlines deal was found by Cheapflights users on 3/11. 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.
mié. 6/45:36 pmIAD - BIS
1 stop7h 02mUnited Airlines
mié. 6/112:00 pmBIS - IAD
1 stop7h 50mUnited Airlines
Deal found 3/11$437

Find flights from Dulles Intl to Bismarck within your budget

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 marzo 12, 2025.

Fly from

Dulles Intl

Fly to

Bismarck

Route

Depart

Return

Price

Washington, D.C.Bismarck

IAD - BIS

IADBIS

Washington, D.C. Dulles Intl

sáb. 4/19

2:12 pm-10:16 pm

2 stops9h 04m

Bismarck

sáb. 4/26

2:58 pm-10:42 pm

1 stop6h 44m

$328

Washington, D.C.Bismarck

IAD - BIS

IADBIS

Washington, D.C. Dulles Intl

sáb. 4/19

6:00 am-11:05 am

1 stop6h 05m

Bismarck

sáb. 4/26

3:20 pm-11:40 pm

1 stop7h 20m

$347

Washington, D.C.Bismarck

IAD - BIS

IADBIS

Washington, D.C. Dulles Intl

mié. 6/4

5:36 pm-11:38 pm

1 stop7h 02m

Bismarck

mié. 6/11

2:00 pm-10:50 pm

1 stop7h 50m

$437

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/11

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust 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.

Travel insights for flights from Dulles Intl to Bismarck

Get recent, data-driven insights about flights from Dulles Intl to Bismarck including ideal travel times, pricing trends, and more.

What is the cheapest time of day to fly from IAD to BIS?

Find hourly flight availability from Dulles Intl to Bismarck. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated marzo 12, 2025.

When flying from Washington, D.C. Dulles Intl Airport to Bismarck, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Bismarck by month

Plan your trip to Bismarck by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Bismarck ranges from 0.4 - 3.2 inches per month. June is typically the wettest month, when rainfall can reach 3.2 in. January is typically the driest time to visit Bismarck when rainfall is around 0.4 in.

Temperature in Bismarck by month

Plan your trip to Bismarck by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Bismarck, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 12.2 F).

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 marzo 12, 2025.
Delta
8.0
Very good
7,953 reviews

Entertainment

7.9

Food

7.3

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
7,953 reviews
Delta
8.0
Very good
7,953 reviews

Entertainment

7.9

Food

7.3

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,623 reviews
Delta
8.0
Very good
7,953 reviews

Entertainment

7.9

Food

7.3

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,953 reviews

Entertainment

7.9

Food

7.3

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Bismarck round-trip?

    Flying on American Airlines is currently your cheapest option to Bismarck, with prices starting at $328. Additional round-trip tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at $347 and $437, respectively. American Airlines is currently priced 36% below the average price you’ll pay for this route.

  • 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.

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

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Bismarck (average of $346). Flying from Washington, D.C. Dulles Intl Airport to Bismarck in June is currently the most expensive (average of $537). 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

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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 marzo 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$236Average$403FlexibilityNo cancel feeOn-timeN/A
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