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$259+ Cheap flights from Bismarck (BIS) to Washington

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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
BIS — SEA
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Find flight deals from Bismarck to Washington

Cheapest flights from Bismarck to Washington
Explore the most affordable flight options available from Bismarck to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

This Delta deal was found by Cheapflights users on 10/27. 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 11/195:00 amBIS - SEA
1 stop7h 54mDelta
Thu 11/276:00 amSEA - BIS
1 stop6h 57mDelta
Deal found 10/27$259
This Delta deal was found by Cheapflights users on 10/27. 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 11/191:20 pmBIS - PDX
1 stop6h 23mDelta
Fri 11/286:00 amPDX - BIS
1 stop6h 57mDelta
Deal found 10/27$259
This Delta deal was found by Cheapflights users on 10/27. 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 11/191:20 pmBIS - PDX
2 stops12h 54mDelta
Thu 11/275:30 amPDX - BIS
2 stops12h 17mDelta
Deal found 10/27$269
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2311:31 amBIS - SEA
1 stop27h 51mMultiple Airlines
Fri 11/289:53 pmSEA - BIS
1 stop10h 53mMultiple Airlines
Deal found 10/27$273
This United Airlines deal was found by Cheapflights users on 10/26. 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 11/145:45 amBIS - PDX
2 stops11h 01mUnited Airlines
Fri 11/214:02 pmPDX - BIS
1 stop5h 37mUnited Airlines
Deal found 10/26$279
This Delta deal was found by Cheapflights users on 10/27. 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.
Sun 11/2311:32 amBIS - PDX
1 stop8h 11mDelta
Fri 11/286:00 amPDX - BIS
1 stop6h 57mDelta
Deal found 10/27$284
This Delta deal was found by Cheapflights users on 10/27. 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 11/195:35 pmBIS - SEA
1 stop8h 26mDelta
Tue 12/27:15 amSEA - BIS
2 stops25h 52mDelta
Deal found 10/27$288
This Delta deal was found by Cheapflights users on 10/27. 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.
Mon 11/245:35 pmBIS - PDX
2 stops16h 56mDelta
Fri 11/286:00 amPDX - BIS
1 stop6h 57mDelta
Deal found 10/27$288
This United Airlines deal was found by Cheapflights users on 10/28. 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 11/125:15 pmBIS - SEA
1 stop5h 58mUnited Airlines
Sun 11/168:36 amSEA - BIS
1 stop5h 50mUnited Airlines
Deal found 10/28$289
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Tue 11/115:45 amBIS - PDX
1 stop5h 53mUnited Airlines
Sat 11/155:00 amPDX - BIS
1 stop6h 11mUnited Airlines
Deal found 10/27$289
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Tue 11/49:08 amBIS - GEG
1 stop5h 37mUnited Airlines
Wed 11/121:47 pmGEG - BIS
1 stop5h 04mUnited Airlines
Deal found 10/27$289
This Delta deal was found by Cheapflights users on 10/27. 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.
Mon 11/245:35 pmBIS - PDX
2 stops16h 56mDelta
Thu 11/275:30 amPDX - BIS
2 stops12h 17mDelta
Deal found 10/27$293

Cheap flight deals from Bismarck to Washington

Keep the following information in mind while searching for Bismarck to Washington flight deals. Data was last updated October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$259
(Delta)

Popular in

May

Cheapest in

February

Average price

$441
Provider with most accurate pricing for Bismarck-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bismarck-Seattle/Tacoma Intl flights.
Search Deals
From Bismarck to Washington
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($94 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Bismarck to Washington 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 October 28, 2025.
Use the filters below to find and compare flights from Bismarck to Washington that are best for you.

Fly from

Bismarck

Fly to

Washington

Route

Depart

Return

Price

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Thu 11/20

1:20 pm-8:36 pm

1 stop9h 16m

Seattle/Tacoma Intl

Thu 11/27

6:00 am-2:57 pm

1 stop6h 57m

$259

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Fri 2/20

1:10 pm-8:30 pm

1 stop9h 20m

Portland

Mon 2/23

12:55 am-10:56 am

1 stop8h 01m

$259

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Sat 2/21

11:30 am-4:51 pm

1 stop7h 21m

Portland

Mon 2/23

12:55 am-10:56 am

1 stop8h 01m

$259

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Fri 1/23

1:28 pm-8:32 pm

1 stop9h 04m

Portland

Mon 1/26

1:39 pm-11:28 pm

2 stops7h 49m

$264

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Sun 11/23

11:31 am-1:22 pm

1 stop27h 51m

Seattle/Tacoma Intl

Fri 11/28

9:53 pm-10:46 am

1 stop10h 53m

$273

BismarckSpokane

BIS - GEG

BISGEG

Bismarck

Sat 2/28

5:30 pm-11:16 pm

1 stop7h 46m

Spokane

Tue 3/3

6:30 am-4:53 pm

1 stop8h 23m

$284

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Fri 11/14

5:15 pm-9:26 pm

1 stop6h 11m

Portland

Fri 11/21

4:02 pm-11:39 pm

1 stop5h 37m

$287

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Thu 11/20

1:20 pm-8:36 pm

1 stop9h 16m

Seattle/Tacoma Intl

Tue 12/2

7:15 am-11:07 am

2 stops25h 52m

$288

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Wed 11/12

5:15 pm-9:13 pm

1 stop5h 58m

Seattle/Tacoma Intl

Sun 11/16

8:36 am-4:26 pm

1 stop5h 50m

$289

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Tue 11/11

1:56 pm-12:26 am

2 stops12h 30m

Portland

Sat 11/15

6:00 am-4:26 pm

2 stops8h 26m

$299

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 30 results
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Best time to book a flight from Bismarck to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington 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

What is the cheapest month to book a flight from Bismarck to State of Washington?

Currently, March is the cheapest month in which you can book a flight from Bismarck to State of Washington (average of $224). Flying from Bismarck to State of Washington in October is currently the most expensive (average of $311). 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 time of day to fly from BIS to WA?

Find hourly flight availability from Bismarck to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 28, 2025.

It’s optimal to fly from Bismarck to State of Washington in the evening. By choosing this option you can save up to 51% on the cost of your flight, compared to a flight at noon.

How much does it cost to fly round-trip from Bismarck to State of Washington?

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated October 28, 2025.
See what other customers who have flown with Delta and United Airlines from Bismarck to Washington have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,994 reviews

Overall

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,994 reviews
Delta
7.9
Good
7,994 reviews

Overall

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
9,001 reviews
Delta
7.9
Good
7,994 reviews

Overall

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from Bismarck to Washington. 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?

    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.

  • How long is the flight from Bismarck to State of Washington?

    Airlines like Delta and United Airlines fly from Bismarck to State of Washington in about 5h 58m. The time it takes to get you to your destination can typically vary by up to 3h 18m. The distance between Bismarck and State of Washington is about 1011 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Bismarck to State of Washington one-way?

    The cheapest airline one-way is Allegiant Air, with whom users have recently found tickets for as low as $266. However, be on the lookout for offers from American Airlines and Delta, as they are both options that can get you from Bismarck to State of Washington for a low price.

  • What are the most popular routes from Bismarck to State of Washington?

    While some choose either Bismarck - Portland or Bismarck - Seattle/Tacoma Intl, Bismarck - Pasco Tri Cities is the most popular route from Bismarck to State of Washington.

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

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

  • How can I find direct flights from Bismarck to Washington?

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

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

    Yes. Cheapflights offers flight deals from Bismarck to Washington 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 State of Washington?

    Currently, March is the cheapest month in which you can book a flight from Bismarck to State of Washington (average of $224). Flying from Bismarck to State of Washington in October is currently the most expensive (average of $311). 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 2 airlines flying from Bismarck to Washington

Discover the top 2 airlines that operate flights from Bismarck to Washington. 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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$227Average$373FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$248Average$472FlexibilityNo cancel feeOn-time69%

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