What is the cheapest airline to fly from Bismarck to Washington, D.C. Reagan-National Airport round-trip?

Cheapflights users have booked flights from Bismarck to Washington, D.C. Reagan-National Airport round-trip from $224. Delta is priced at 59% lower than the current average price of a flight leaving 3 months from now.

In terms of precipitation, rainfall in Washington, D.C. Reagan-National 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. Reagan-National Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Reagan-National 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).

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Bismarck to Washington, D.C. Reagan-National Airport as you normally would.

Most accurate provider : When it comes to deals on Bismarck-Washington, D.C. Reagan-National 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. Reagan-National Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Bismarck-Washington, D.C. Reagan-National Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Bismarck-Washington, D.C. Reagan-National Airport 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 Bismarck-Washington, D.C. Reagan-National 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. Reagan-National?

Most people fly from Bismarck (BIS) if they book a flight from Bismarck to Washington, D.C. Reagan-National. On average, Bismarck has 0 outbound flights to Washington, D.C. Reagan-National per day from 1 airline. Bismarck is conveniently located just 2.5 mi from Bismarck’s city center.

Can I find deals for flights from Bismarck to Reagan-National that include hotel bookings?

Yes. In addition to deals on Bismarck to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Bismarck to Reagan-National?

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

Can I find deals for business class flights from Bismarck to Reagan-National?

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

$339+ Cheap Flights from Bismarck to Washington, D.C. Reagan-National Airport

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Cheap flight deals from Bismarck to Reagan-National

Cheapest

Best

Last-minute

One-way

Cheapest flights from Bismarck to Reagan-National
Explore the most affordable flight options available from Bismarck to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 22, 2026.

Thu 10/291:00 pm -

1 stop8h 00m

Mon 11/26:00 am -

1 stop7h 33m

Deal found 9/20

$359

Fri 10/301:00 pm -

1 stop8h 00m

Tue 11/35:00 am -

2 stops8h 33m

Deal found 9/20

$364

Sat 10/175:15 pm -

1 stop5h 29m

Tue 10/206:05 am -

1 stop6h 55m

Deal found 9/20

$377

Sat 10/31:57 pm -

1 stop9h 02m

Wed 10/73:13 pm -

1 stop8h 46m

Deal found 9/18

$429

Thu 10/223:18 pm -

1 stop7h 26m

Wed 10/287:45 am -

1 stop7h 53m

Deal found 9/17

$438

Best flights from Bismarck to Reagan-National
Discover carefully curated flight deals from Bismarck to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 22, 2026.

Sat 10/175:15 pm -

1 stop5h 29m

Tue 10/206:05 am -

1 stop6h 55m

Deal found 9/20

$377

Sat 11/145:50 am -

1 stop8h 05m

Wed 11/186:00 am -

2 stops11h 27m

Deal found 9/21

$509

Tue 12/11:22 pm -

2 stops9h 37m

Fri 12/46:22 pm -

1 stop19h 11m

Deal found 9/18

$511

Thu 10/223:18 pm -

1 stop7h 26m

Wed 10/287:45 am -

1 stop7h 53m

Deal found 9/17

$438

Wed 10/2112:56 pm -

1 stop7h 03m

Tue 10/275:00 am -

2 stops8h 23m

Deal found 9/17

$532

Tue 10/63:18 pm -

2 stops6h 49m

Sat 10/108:00 am -

2 stops12h 55m

Deal found 9/21

$535

Last-minute flights from Bismarck to Reagan-National
Discover last-minute flight deals from Bismarck to Reagan-National. Data last updated September 22, 2026 and is based on user searches.

Sat 10/31:57 pm -

1 stop9h 02m

Wed 10/73:13 pm -

1 stop8h 46m

Deal found 9/18

$429

Sat 10/175:15 pm -

1 stop5h 29m

Tue 10/206:05 am -

1 stop6h 55m

Deal found 9/20

$377

Thu 10/223:18 pm -

1 stop7h 26m

Wed 10/287:45 am -

1 stop7h 53m

Deal found 9/17

$438

Thu 10/291:00 pm -

1 stop8h 00m

Mon 11/26:00 am -

1 stop7h 33m

Deal found 9/20

$359

Fri 10/301:00 pm -

1 stop8h 00m

Tue 11/35:00 am -

2 stops8h 33m

Deal found 9/20

$364

Find flight deals from Bismarck to Reagan-National

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$359 (American Airlines)
One-way from	$339 (American Airlines)
Popular in	March
Cheapest in	October
Average price	$713

Provider with most accurate pricing for Bismarck-Washington, D.C. Reagan-National flight deals.

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Provider most trusted by Cheapflights users for Bismarck-Washington, D.C. Reagan-National flights.

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From Bismarck to Washington, D.C. Reagan-National

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One-way flight from Bismarck to Washington, D.C. Reagan-National

Search Deals

Highest demand for flights based on searches. 30% potential increase in price ($241 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($33 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2026

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Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

BismarckWashington, D.C.

BIS Bismarck - DCA Washington, D.C. Reagan-National

BISDCA

Bismarck

Tue 11/3

1:58 pm-11:59 pm

1 stop9h 01m

Washington, D.C. Reagan-National

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$339

BismarckWashington, D.C.

BIS Bismarck - DCA Washington, D.C. Reagan-National

BISDCA

Bismarck

Sat 10/17

5:15 pm-11:44 pm

1 stop5h 29m

Washington, D.C. Reagan-National

Tue 10/20

6:05 am-12:00 pm

1 stop6h 55m

$377

BismarckWashington, D.C.

BIS Bismarck - DCA Washington, D.C. Reagan-National

BISDCA

Bismarck

Thu 10/22

3:18 pm-11:44 pm

1 stop7h 26m

Washington, D.C. Reagan-National

Wed 10/28

7:45 am-2:38 pm

1 stop7h 53m

$438

BismarckWashington, D.C.

BIS Bismarck - DCA Washington, D.C. Reagan-National

BISDCA

Bismarck

Sat 11/14

5:50 am-2:55 pm

1 stop8h 05m

Washington, D.C. Reagan-National

Wed 11/18

6:00 am-4:27 pm

2 stops11h 27m

$509

BismarckWashington, D.C.

BIS Bismarck - DCA Washington, D.C. Reagan-National

BISDCA

Bismarck

Tue 12/1

1:22 pm-11:59 pm

2 stops9h 37m

Washington, D.C. Reagan-National

Fri 12/4

6:22 pm-12:33 pm

1 stop19h 11m

$511

BismarckWashington, D.C.

BIS Bismarck - DCA Washington, D.C. Reagan-National

BISDCA

Bismarck

Wed 10/21

12:56 pm-8:59 pm

1 stop7h 03m

Washington, D.C. Reagan-National

Tue 10/27

5:00 am-12:23 pm

2 stops8h 23m

$532

BismarckWashington, D.C.

BIS Bismarck - DCA Washington, D.C. Reagan-National

BISDCA

Bismarck

Tue 10/6

3:18 pm-11:07 pm

2 stops6h 49m

Washington, D.C. Reagan-National

Sat 10/10

8:00 am-7:55 pm

2 stops12h 55m

$535

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/20

Sorted by cheapest first

Most accurate provider: When it comes to deals on Bismarck-Washington, D.C. Reagan-National 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. Reagan-National Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Bismarck-Washington, D.C. Reagan-National Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Bismarck-Washington, D.C. Reagan-National Airport 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 Bismarck-Washington, D.C. Reagan-National 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 Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Bismarck with our price prediction graph.

BIS-DCA

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 Reagan-National

Get a feel of what it's like to fly with Delta from Bismarck to Washington, D.C. Reagan-National Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.8

Good

8,596 reviews

Reviews

1 / 20

4.0

Okay

Jennifer,Sep 2026

ORD - LGA

The flight crew was 30 minutes late to an am flight and then that caused a delay

Delta

7.8

Good

8,596 reviews

Delta

7.8

Good

8,596 reviews

Reviews

1 / 20

4.0

Okay

Jennifer,Sep 2026

ORD - LGA

The flight crew was 30 minutes late to an am flight and then that caused a delay

Related info for your journey

What airport do you fly from for flights from Bismarck to Washington, D.C. Reagan-National?
Most people fly from Bismarck (BIS) if they book a flight from Bismarck to Washington, D.C. Reagan-National. On average, Bismarck has 0 outbound flights to Washington, D.C. Reagan-National per day from 1 airline. Bismarck is conveniently located just 2.5 mi from Bismarck’s city center.
How long is the flight from Bismarck to Washington, D.C. Reagan-National Airport?
Airlines like Delta, American Airlines, and United Airlines fly from Bismarck to Washington, D.C. Reagan-National Airport in about 5h 29m. The time it takes to get you to your destination can typically vary by up to 3h 33m. The distance between Bismarck and Washington, D.C. Reagan-National Airport is about 1313 mi. Both multi-stop and nonstop flights can be found to your destination and back.
What is the cheapest airline to fly from Bismarck to Washington, D.C. Reagan-National Airport round-trip?
Cheapflights users have booked flights from Bismarck to Washington, D.C. Reagan-National Airport round-trip from $224. Delta is priced at 59% lower than the current average price of a flight leaving 3 months from now.
Can I find deals for flights from Bismarck to Reagan-National that include hotel bookings?
Yes. In addition to deals on Bismarck to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Bismarck to Reagan-National?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Bismarck to Reagan-National.
Can I find deals for business class flights from Bismarck to Reagan-National?
Yes. Cheapflights offers flight deals from Bismarck to Reagan-National by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Top airline flying from Bismarck to Reagan-National

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$224	Average$303	FlexibilityNo cancel fee	On-timeN/A

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$339+ Cheap flights from Bismarck (BIS) to Reagan-National (DCA)

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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Bismarck to Reagan-National with Cheapflights

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Cheap flight deals from Bismarck to Reagan-National

Cheapest flights from Bismarck to Reagan-NationalExplore the most affordable flight options available from Bismarck to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 22, 2026.

Explore the most affordable flight options available from Bismarck to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 22, 2026.

Best flights from Bismarck to Reagan-NationalDiscover carefully curated flight deals from Bismarck to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 22, 2026.

Discover carefully curated flight deals from Bismarck to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 22, 2026.

Last-minute flights from Bismarck to Reagan-NationalDiscover last-minute flight deals from Bismarck to Reagan-National. Data last updated September 22, 2026 and is based on user searches.

Discover last-minute flight deals from Bismarck to Reagan-National. Data last updated September 22, 2026 and is based on user searches.

One-way flights from Bismarck to Reagan-NationalSearch for one-way flight options from Bismarck to Reagan-National. Find affordable one-way fares based on user searches. Data last updated September 22, 2026.

Search for one-way flight options from Bismarck to Reagan-National. Find affordable one-way fares based on user searches. Data last updated September 22, 2026.

Find flight deals from Bismarck to Reagan-National

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Cheapflights Fare Finder

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

Best time to book a flight from Bismarck to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Bismarck with our price prediction graph.

Reviews of airlines servicing Reagan-National

Get a feel of what it's like to fly with Delta from Bismarck to Washington, D.C. Reagan-National Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly from for flights from Bismarck to Washington, D.C. Reagan-National?

How long is the flight from Bismarck to Washington, D.C. Reagan-National Airport?

What is the cheapest airline to fly from Bismarck to Washington, D.C. Reagan-National Airport round-trip?

Can I find deals for flights from Bismarck to Reagan-National that include hotel bookings?

How can I find direct flights from Bismarck to Reagan-National?

Can I find deals for business class flights from Bismarck to Reagan-National?

Traveling to a place near Washington, D.C. Reagan-National Airport?

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Alternative routes for Bismarck to Reagan-National

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

Complete your trip

Complete your trip to Reagan-National by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Bismarck to Reagan-National by cabin class

Find flights from Bismarck to Reagan-National, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Bismarck and Reagan-National flights

Browse other Bismarck and Reagan-National flight options. Last updated on September 22, 2026.

Other flights from Bismarck

Browse through other flights departing from Bismarck. Flights are based on user searches made on Cheapflights and were last updated on September 22, 2026.

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Other flights to Reagan-National

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Top airline flying from Bismarck to Reagan-National

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Cheapest flights from Bismarck to Reagan-National
Explore the most affordable flight options available from Bismarck to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 22, 2026.

Best flights from Bismarck to Reagan-National
Discover carefully curated flight deals from Bismarck to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 22, 2026.

Last-minute flights from Bismarck to Reagan-National
Discover last-minute flight deals from Bismarck to Reagan-National. Data last updated September 22, 2026 and is based on user searches.

One-way flights from Bismarck to Reagan-National
Search for one-way flight options from Bismarck to Reagan-National. Find affordable one-way fares based on user searches. Data last updated September 22, 2026.