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

According to our current data, American Airlines ($437), Delta ($447), and United Airlines ($525) offers the cheapest pricing from Bismarck to Washington, D.C. Dulles Intl Airport.

What are the cheapest airlines to fly from Bismarck to Washington, D.C. Dulles Intl Airport one-way?

$304 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $309 and $399, respectively.

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 $309). Flying from Bismarck to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $383). 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.

What is the cheapest day to fly from Bismarck to Washington, D.C. Dulles Intl Airport?

Travelers seeking maximum savings on their Bismarck to Washington, D.C. Dulles Intl Airport flight should consider departing on Tuesday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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

Flights from Bismarck to Washington, D.C. Dulles Intl Airport are found to be more expensive on Friday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Washington, D.C. Dulles Intl Airport.

What is the cheapest month to fly from Bismarck to Washington, D.C. Dulles Intl Airport?

Our data shows that March tends to be the cheapest month to fly to Washington, D.C. Dulles Intl Airport from Bismarck. Users have commonly found prices around $486 for the month, but tickets can be as low as $192. Due to multiple factors, prepare for potentially higher prices in October.

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

It’s typically best to fly out from Bismarck to Washington, D.C. Dulles Intl Airport in the morning. Doing so could potentially save you 32% on the flight price compared to flying at noon, which is usually more expensive.

Most accurate provider : When it comes to deals on Bismarck-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Bismarck-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Bismarck-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Bismarck-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust Expedia the most. Expedia 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 Bismarck-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

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.

$304+ Flights from Bismarck to Washington, D.C. Dulles Intl Airport - Compare & Save Big

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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 Bismarck to Dulles Intl

Most accurate provider	FlightHub 3 stars
Most trusted provider	Expedia 3 stars
Round-trip from	$437 (American Airlines)
One-way from	$304 (Delta)
Popular in	June
Cheapest in	October
Average price	$548

Provider with most accurate pricing for Bismarck-Washington, D.C. Dulles Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Bismarck-Washington, D.C. Dulles Intl flights.

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From Bismarck to Washington, D.C. Dulles Intl

Search Deals

One-way flight from Bismarck to Washington, D.C. Dulles Intl

Search Deals

Highest demand for flights based on searches. 15% potential increase in price ($83 potential increase over avg. RT price).

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Cheapest flight prices on average. 13% potential price decrease ($53 potential savings vs. average RT price).

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Average for round-trip flights in April 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 April 25, 2025.

Tue 7/293:00 pmBIS - IAD

1 stop6h 50mAmerican Airlines

Tue 8/56:27 amIAD - BIS

1 stop8h 58mAmerican Airlines

Deal found 4/24

$437

Tue 7/295:00 amBIS - IAD

2 stops12h 48mDelta

Tue 8/57:00 amIAD - BIS

2 stops10h 46mDelta

Deal found 4/24

$447

Fri 6/132:00 pmBIS - IAD

1 stop20h 26mUnited Airlines

Sat 6/1410:19 pmIAD - BIS

1 stop13h 15mUnited Airlines

Deal found 4/25

$525

Best flights from Bismarck to Dulles Intl
Discover carefully curated flight deals from Bismarck to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 25, 2025.

Tue 7/293:00 pmBIS - IAD

1 stop6h 50mAmerican Airlines

Tue 8/56:27 amIAD - BIS

1 stop8h 58mAmerican Airlines

Deal found 4/24

$437

Tue 7/295:00 amBIS - IAD

2 stops12h 48mDelta

Tue 8/57:00 amIAD - BIS

2 stops10h 46mDelta

Deal found 4/24

$447

Fri 6/132:00 pmBIS - IAD

1 stop20h 26mUnited Airlines

Sat 6/1410:19 pmIAD - BIS

1 stop13h 15mUnited Airlines

Deal found 4/25

$525

Last-minute flights from Bismarck to Dulles Intl
Discover last-minute flight deals from Bismarck to Dulles Intl. Data last updated April 25, 2025 and is based on user searches.

Wed 4/305:34 pmBIS - IAD

1 stop5h 06mDelta

Thu 5/16:00 amIAD - BIS

1 stop5h 44mDelta

Deal found 4/23

$782

Thu 5/16:10 amBIS - IAD

2 stops9h 12mAmerican Airlines

Sun 5/45:00 amIAD - BIS

2 stops10h 27mAmerican Airlines

Deal found 4/24

$757

Fri 5/25:05 pmBIS - IAD

1 stop19h 20mUnited Airlines

Tue 5/610:25 pmIAD - BIS

1 stop15h 20mUnited Airlines

Deal found 4/24

$635

Fri 5/95:05 pmBIS - IAD

1 stop11h 17mUnited Airlines

Tue 5/138:21 amIAD - BIS

2 stops16h 29mUnited Airlines

Deal found 4/24

$595

Wed 5/285:00 amBIS - IAD

1 stop5h 16mDelta

Sun 6/16:25 amIAD - BIS

1 stop5h 00mDelta

Deal found 4/24

$502

Wed 5/286:12 amBIS - IAD

2 stops9h 44mAmerican Airlines

Sun 6/16:17 amIAD - BIS

1 stop9h 11mAmerican Airlines

Deal found 4/25

$507

One-way flights from Bismarck to Dulles Intl
Search for one-way flight options from Bismarck to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated April 25, 2025.

Sat 5/35:00 amBIS - IAD

1 stop5h 09mDelta

Deal found 4/24

$304

Tue 5/66:12 amBIS - IAD

2 stops12h 20mAmerican Airlines

Deal found 4/24

$309

Mon 5/126:00 amBIS - IAD

1 stop6h 25mUnited Airlines

Deal found 4/24

$399

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

BismarckWashington, D.C.

BIS - IAD

BISIAD

Bismarck

Tue 7/29

3:00 pm-10:50 pm

1 stop6h 50m

Washington, D.C. Dulles Intl

Tue 8/5

6:27 am-2:25 pm

1 stop8h 58m

$437

BismarckWashington, D.C.

BIS - IAD

BISIAD

Bismarck

Tue 7/29

5:00 am-6:48 pm

2 stops12h 48m

Washington, D.C. Dulles Intl

Tue 8/5

7:00 am-4:46 pm

2 stops10h 46m

$447

BismarckWashington, D.C.

BIS - IAD

BISIAD

Bismarck

Fri 6/13

2:00 pm-11:26 am

1 stop20h 26m

Washington, D.C. Dulles Intl

Sat 6/14

10:19 pm-10:34 am

1 stop13h 15m

$525

BismarckWashington, D.C.

BIS - IAD

BISIAD

Bismarck

Sat 5/3

5:00 am-11:09 am

1 stop5h 09m

$304

BismarckWashington, D.C.

BIS - IAD

BISIAD

Bismarck

Tue 5/6

6:12 am-7:32 pm

2 stops12h 20m

$309

BismarckWashington, D.C.

BIS - IAD

BISIAD

Bismarck

Mon 5/12

6:00 am-1:25 pm

1 stop6h 25m

$399

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/24

Compare providers for flights from Bismarck to Dulles Intl

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Bismarck to Dulles Intl in April.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
Expedia	Price Accuracy1 star	Trust 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 Bismarck-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Bismarck-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Bismarck-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Bismarck-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust Expedia the most. Expedia 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 Bismarck-Washington, D.C. Dulles Intl Airport 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 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.

Cheapflights Insights

Everything you need to know about your flight from Bismarck to Washington, D.C. Dulles Intl Airport

Rainfall in Dulles Intl by month

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Dulles Intl

Read through reviews of airlines operating flights from Bismarck to Washington, D.C., such as Delta, United Airlines and American Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,920 reviews

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

7,920 reviews

Delta

8.0

Very good

7,920 reviews

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

8,685 reviews

Delta

8.0

Very good

7,920 reviews

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

7,920 reviews

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

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 are the cheapest airlines flying from Bismarck to Washington, D.C. Dulles Intl Airport round-trip?
According to our current data, American Airlines ($437), Delta ($447), and United Airlines ($525) offers the cheapest pricing from Bismarck to Washington, D.C. Dulles Intl Airport.
What are the cheapest airlines to fly from Bismarck to Washington, D.C. Dulles Intl Airport one-way?
$304 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $309 and $399, respectively.
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 $309). Flying from Bismarck to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $383). 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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Alexandria

Woodbridge

Fairfax

Tysons

Springfield

Rockville

Fredericksburg

Gaithersburg

Silver Spring

Linthicum Heights

Falls Church

Laurel

Easton

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Top airline flying from Bismarck to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$218	Average$378	FlexibilityNo cancel fee	On-timeN/A

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$304+ 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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Bismarck to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Bismarck to Dulles Intl

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Bismarck to Dulles Intl

Cheapest flights from Bismarck to Dulles IntlExplore 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 April 25, 2025.

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 April 25, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Bismarck to Washington, D.C. Dulles Intl Airport that are best for you.

Compare providers for flights from Bismarck to Dulles Intl

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 Bismarck to Dulles Intl in April.

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.

Cheapflights Insights

Everything you need to know about your flight from Bismarck to Washington, D.C. Dulles Intl Airport

Rainfall in Dulles Intl by month

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

Temperature in Dulles Intl by month

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

Reviews of airlines servicing Dulles Intl

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?

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

What are the cheapest airlines to fly from Bismarck to Washington, D.C. Dulles Intl Airport one-way?

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

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

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

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

Traveling to a place near Bismarck?

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Alternative routes for Bismarck to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Bismarck to Dulles Intl

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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 April 25, 2025.