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$271+ 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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
BIS — SEA
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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Cheap 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 February 3, 2026.

This Delta deal was found by Cheapflights users on 2/1. 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 3/411:18 am
BIS
-
PDX
1 stop8h 15m
Delta
Sat 3/71:53 pm
PDX
-
BIS
1 stop7h 29m
Delta
Deal found 2/1$271
This Delta deal was found by Cheapflights users on 2/1. 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 3/211:26 pm
BIS
-
PDX
1 stop8h 59m
Delta
Wed 3/2512:30 am
PDX
-
BIS
1 stop8h 03m
Delta
Deal found 2/1$275
This Delta deal was found by Cheapflights users on 2/2. 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 2/187:25 am
BIS
-
GEG
1 stop7h 43m
Delta
Sun 2/222:05 pm
GEG
-
BIS
1 stop7h 17m
Delta
Deal found 2/2$309
This Delta deal was found by Cheapflights users on 2/2. 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.
Fri 3/201:26 pm
BIS
-
SEA
1 stop9h 24m
Delta
Mon 3/2311:59 pm
SEA
-
BIS
1 stop8h 34m
Delta
Deal found 2/2$329
This United Airlines deal was found by Cheapflights users on 2/1. 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 4/159:00 am
BIS
-
SEA
2 stops11h 35m
United Airlines
Wed 4/225:00 am
SEA
-
BIS
1 stop5h 58m
United Airlines
Deal found 2/1$337
This United Airlines deal was found by Cheapflights users on 2/2. 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 4/145:05 pm
BIS
-
PDX
1 stop6h 09m
United Airlines
Sat 4/184:15 pm
PDX
-
BIS
1 stop5h 28m
United Airlines
Deal found 2/2$351
This Delta deal was found by Cheapflights users on 1/31. 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.
Fri 9/47:31 am
BIS
-
PDX
1 stop7h 23m
Delta
Sun 9/612:40 am
PDX
-
BIS
1 stop8h 08m
Delta
Deal found 1/31$354
This United Airlines deal was found by Cheapflights users on 2/1. 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 2/196:25 pm
BIS
-
SEA
1 stop6h 34m
United Airlines
Mon 2/233:16 pm
SEA
-
BIS
1 stop6h 27m
United Airlines
Deal found 2/1$356
This Delta deal was found by Cheapflights users on 2/1. 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 2/2411:18 am
BIS
-
PDX
1 stop8h 15m
Delta
Sat 2/281:53 pm
PDX
-
BIS
1 stop7h 29m
Delta
Deal found 2/1$363
This United Airlines deal was found by Cheapflights users on 2/1. 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 5/129:00 am
BIS
-
GEG
1 stop5h 39m
United Airlines
Thu 5/214:03 pm
GEG
-
BIS
1 stop5h 38m
United Airlines
Deal found 2/1$364
This Delta deal was found by Cheapflights users on 2/2. 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 2/41:31 pm
BIS
-
SEA
1 stop9h 15m
Delta
Wed 2/116:05 am
SEA
-
BIS
1 stop8h 29m
Delta
Deal found 2/2$383
This United Airlines deal was found by Cheapflights users on 2/2. 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 2/41:35 pm
BIS
-
SEA
2 stops9h 37m
United Airlines
Wed 2/1112:25 pm
SEA
-
BIS
1 stop6h 13m
United Airlines
Deal found 2/2$388

Find flight deals from Bismarck to Washington

Keep the following information in mind while searching for Bismarck to Washington flight deals. Data was last updated February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$271
(Delta)

Popular in

May

Cheapest in

February

Average price

$286
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. 21% potential increase in price ($127 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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 February 3, 2026.
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

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Wed 3/4

11:18 am-5:33 pm

1 stop8h 15m

Portland

Sat 3/7

1:53 pm-11:22 pm

1 stop7h 29m

$271

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Sat 3/21

1:26 pm-8:25 pm

1 stop8h 59m

Portland

Wed 3/25

12:30 am-10:33 am

1 stop8h 03m

$275

BismarckSpokane

BIS - GEG

BISGEG

Bismarck

Wed 2/18

7:25 am-1:08 pm

1 stop7h 43m

Spokane

Sun 2/22

2:05 pm-11:22 pm

1 stop7h 17m

$309

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Fri 3/20

1:26 pm-8:50 pm

1 stop9h 24m

Seattle/Tacoma Intl

Mon 3/23

11:59 pm-10:33 am

1 stop8h 34m

$329

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Wed 4/15

9:00 am-6:35 pm

2 stops11h 35m

Seattle/Tacoma Intl

Wed 4/22

5:00 am-12:58 pm

1 stop5h 58m

$337

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Thu 2/19

6:25 pm-11:14 pm

1 stop6h 49m

Portland

Mon 2/23

4:00 pm-11:43 pm

1 stop5h 43m

$351

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Tue 4/14

6:00 am-9:48 am

1 stop5h 48m

Portland

Sat 4/18

4:15 pm-11:43 pm

1 stop5h 28m

$351

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Thu 2/19

6:25 pm-10:59 pm

1 stop6h 34m

Seattle/Tacoma Intl

Mon 2/23

3:16 pm-11:43 pm

1 stop6h 27m

$356

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Tue 2/24

11:18 am-5:33 pm

1 stop8h 15m

Portland

Sat 2/28

1:53 pm-11:22 pm

1 stop7h 29m

$363

BismarckSpokane

BIS - GEG

BISGEG

Bismarck

Tue 5/12

9:00 am-12:39 pm

1 stop5h 39m

Spokane

Thu 5/21

4:03 pm-11:41 pm

1 stop5h 38m

$364

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

Showing 1-10 of 27 results
1
2
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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, August is the cheapest month in which you can book a flight from Bismarck to State of Washington (average of $227). Flying from Bismarck to State of Washington in May is currently the most expensive (average of $468). 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.

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 February 3, 2026.
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
8,132 reviews

Crew

8.5

Entertainment

7.8

Food

7.2

Comfort

7.9

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,132 reviews
Delta
7.9
Good
8,132 reviews

Crew

8.5

Entertainment

7.8

Food

7.2

Comfort

7.9

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,229 reviews
Delta
7.9
Good
8,132 reviews

Crew

8.5

Entertainment

7.8

Food

7.2

Comfort

7.9

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 8h 15m. The time it takes to get you to your destination can typically vary by up to 3h 20m. The distance between Bismarck and State of Washington is about 1044 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    While some choose either Bismarck - Seattle/Tacoma Intl or Bismarck - Spokane, Bismarck - Portland 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, August is the cheapest month in which you can book a flight from Bismarck to State of Washington (average of $227). Flying from Bismarck to State of Washington in May is currently the most expensive (average of $468). 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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Alternative routes for Bismarck to Washington

See prices for flight routes from nearby airports that may be better suited for you.
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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 February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$227Average$296FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$248Average$419FlexibilityNo cancel feeOn-time69%

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