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$229+ Cheap flights from Bismarck (BIS) to Washington

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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
BIS — SEA
Mai 21 — Mai 281
Do 5/21
Do 5/28
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 April 21, 2026.

This Delta deal was found by Cheapflights users on 4/20. 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.
Sa 9/1210:00 am
BIS
-
PDX
1 stop7h 58m
Delta
Sa 9/1911:39 am
PDX
-
BIS
1 stop6h 14m
Delta
Deal found 4/20$339
This Delta deal was found by Cheapflights users on 4/17. 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.
Do 5/75:42 pm
BIS
-
SEA
1 stop8h 02m
Delta
So 5/1011:59 pm
SEA
-
BIS
1 stop8h 30m
Delta
Deal found 4/17$354
This American Airlines deal was found by Cheapflights users on 4/17. 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.
Mi 8/261:32 pm
BIS
-
SEA
1 stop8h 30m
American Airlines
Mo 8/3112:34 am
SEA
-
BIS
1 stop10h 27m
American Airlines
Deal found 4/17$367
This Delta deal was found by Cheapflights users on 4/20. 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.
Di 5/511:17 am
BIS
-
SEA
1 stop7h 28m
Delta
Sa 5/912:00 pm
SEA
-
BIS
1 stop5h 34m
Delta
Deal found 4/20$369
This Delta deal was found by Cheapflights users on 4/17. 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.
Sa 5/26:05 am
BIS
-
PDX
1 stop8h 44m
Delta
Di 5/512:30 am
PDX
-
BIS
1 stop8h 04m
Delta
Deal found 4/17$369
This Delta deal was found by Cheapflights users on 4/20. 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.
Di 7/218:00 am
BIS
-
PDX
2 stops10h 09m
Delta
Di 7/283:00 pm
PDX
-
BIS
1 stop6h 12m
Delta
Deal found 4/20$372
This United Airlines deal was found by Cheapflights users on 4/20. 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.
Di 5/56:00 am
BIS
-
SEA
1 stop5h 40m
United Airlines
Sa 5/98:38 am
SEA
-
BIS
2 stops13h 03m
United Airlines
Deal found 4/20$374
This United Airlines deal was found by Cheapflights users on 4/17. 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.
Sa 5/29:00 am
BIS
-
PDX
2 stops11h 46m
United Airlines
Mi 5/67:15 am
PDX
-
BIS
2 stops11h 16m
United Airlines
Deal found 4/17$379
This United Airlines deal was found by Cheapflights users on 4/20. 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.
Sa 5/166:00 am
BIS
-
SEA
1 stop5h 40m
United Airlines
So 5/245:07 am
SEA
-
BIS
1 stop5h 49m
United Airlines
Deal found 4/20$386
This Delta deal was found by Cheapflights users on 4/18. 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.
Fr 9/1111:30 am
BIS
-
PDX
1 stop6h 28m
Delta
Fr 9/1811:39 am
PDX
-
BIS
1 stop6h 14m
Delta
Deal found 4/18$389
This Delta deal was found by Cheapflights users on 4/17. 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.
Mi 4/291:19 pm
BIS
-
PDX
1 stop6h 13m
Delta
Di 5/512:30 am
PDX
-
BIS
1 stop8h 04m
Delta
Deal found 4/17$396
This Kiwi.com deal was found by Cheapflights users on 4/17. 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.
So 5/3112:04 pm
BIS
-
PDX
2 stops30h 42m
Multiple Airlines
So 6/77:17 pm
PDX
-
BIS
1 stop23h 59m
Multiple Airlines
Deal found 4/17$398

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 April 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$339
(Delta)

One-way from

$229
(American Airlines)

Popular in

May

Cheapest in

July

Average price

$469
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
One-way flight from Bismarck to Washington
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($87 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 21, 2026.
Use the filters below to find and compare flights from Bismarck to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BismarckPasco

BIS - PSC

BISPSC

Bismarck

Mi 5/6

1:19 pm-7:43 pm

1 stop8h 24m

Pasco Tri Cities

So 5/10

7:05 am-5:01 pm

1 stop7h 56m

$339

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Di 5/5

6:00 am-9:40 am

1 stop5h 40m

Seattle/Tacoma Intl

Sa 5/9

8:38 am-11:41 pm

2 stops13h 03m

$374

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Sa 5/2

6:05 am-12:17 pm

2 stops8h 12m

Portland

Di 5/5

12:30 am-10:34 am

1 stop8h 04m

$374

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Di 5/5

5:03 pm-9:09 pm

1 stop6h 06m

Portland

Sa 5/9

5:30 am-4:28 pm

2 stops8h 58m

$374

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Mi 4/29

1:19 pm-5:32 pm

1 stop6h 13m

Portland

Di 5/5

12:30 am-10:34 am

1 stop8h 04m

$396

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Do 5/7

6:00 am-2:36 pm

2 stops10h 36m

Seattle/Tacoma Intl

So 5/10

5:05 am-1:05 pm

1 stop6h 00m

$400

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Mi 8/26

5:16 pm-11:11 pm

1 stop7h 55m

Seattle/Tacoma Intl

Di 9/1

10:54 am-11:38 pm

2 stops10h 44m

$406

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Mi 4/29

5:00 am-2:53 pm

2 stops11h 53m

Portland

So 5/3

7:32 pm-10:34 am

2 stops13h 02m

$406

BismarckSpokane

BIS - GEG

BISGEG

Bismarck

Sa 5/23

9:16 am-3:12 pm

1 stop7h 56m

Spokane

Di 5/26

4:08 pm-11:41 pm

1 stop5h 33m

$406

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Sa 5/16

1:55 pm-1:12 am

2 stops13h 17m

Seattle/Tacoma Intl

So 5/24

5:07 am-12:56 pm

1 stop5h 49m

$414

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/20

Showing 1-10 of 42 resultsSorted by cheapest first
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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 December is currently the most expensive (average of $442). 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 April 21, 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
8,434 reviews

Entertainment

7.8

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.2

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
8,434 reviews
Delta
7.9
Good
8,434 reviews

Entertainment

7.8

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.2

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
9,613 reviews
Delta
7.9
Good
8,434 reviews

Entertainment

7.8

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.2

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 6h 06m. The time it takes to get you to your destination can typically vary by up to 2h 18m. 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 - Portland or Bismarck - Pasco Tri Cities, Bismarck - Seattle/Tacoma Intl 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 December is currently the most expensive (average of $442). 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

Browse thousands of different options on Cheapflights for your next trip

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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 April 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$248Average$398FlexibilityNo cancel feeOn-time69%
DeltaCheapest$258Average$364FlexibilityNo cancel feeOn-timeN/A

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