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Cheap flights from Bismarck to Washington from $131

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Bismarck to Washington departing on 12/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Bismarck to Washington

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:36 pm - 12:24 amBIS-SEA
8h 48m1 stop
Delta Logo
6:00 am - 4:56 pmSEA-BIS
8h 56m1 stop
$259Delta
Find Deal
Sun, Dec 7 - Wed, Dec 17
Delta Logo
1:10 pm - 8:30 pmBIS-PDX
9h 20m1 stop
Delta Logo
12:55 am - 10:56 amPDX-BIS
8h 01m1 stop
$259Delta
Find Deal
Sat, Feb 21 - Mon, Feb 23
United Airlines Logo
1:50 pm - 11:15 pmBIS-SEA
11h 25m2 stops
United Airlines Logo
5:00 am - 12:54 pmSEA-BIS
5h 54m1 stop
$264United Airlines
Find Deal
Mon, Dec 8 - Tue, Dec 16
Delta Logo
7:25 am - 6:26 pmBIS-SEA
13h 01m2 stops
Delta Logo
11:55 pm - 11:07 amSEA-BIS
9h 12m1 stop
$288Delta
Find Deal
Tue, Dec 9 - Tue, Dec 16
Delta Logo
5:30 pm - 11:16 pmBIS-GEG
7h 46m1 stop
Delta Logo
6:30 am - 4:53 pmGEG-BIS
8h 23m1 stop
$294Delta
Find Deal
Sat, Feb 28 - Tue, Mar 3
United Airlines Logo
5:45 am - 10:35 amBIS-SEA
6h 50m1 stop
United Airlines Logo
9:25 am - 11:39 pmSEA-BIS
12h 14m2 stops
$314United Airlines
Find Deal
Fri, Nov 14 - Tue, Nov 18
American Airlines Logo
2:29 pm - 11:38 pmBIS-SEA
11h 09m1 stop
American Airlines Logo
12:38 am - 12:22 pmSEA-BIS
9h 44m1 stop
$345American Airlines
Find Deal
Fri, Dec 5 - Fri, Dec 12
American Airlines Logo
6:00 am - 6:20 pmBIS-SEA
14h 20m2 stops
American Airlines Logo
12:38 am - 12:22 pmSEA-BIS
9h 44m1 stop
$356American Airlines
Find Deal
Tue, Dec 9 - Fri, Dec 12
Multiple Airlines Logo
7:38 pm - 9:56 amBIS-SEA
16h 18m1 stop
Multiple Airlines Logo
11:59 pm - 10:46 amSEA-BIS
32h 47m2 stops
$473Multiple Airlines
Find Deal
Sat, Dec 6 - Fri, Dec 19
Multiple Airlines Logo
11:36 am - 10:06 amBIS-SEA
24h 30m1 stop
Multiple Airlines Logo
11:59 pm - 10:46 amSEA-BIS
32h 47m2 stops
$481Multiple Airlines
Find Deal
Sun, Dec 7 - Fri, Dec 19

Delta flights from Bismarck to State of Washington

Our best Delta deals on Bismarck to State of Washington flight tickets
Delta
Dec 7
BIS5:36 pmBismarck
8h 48m
1 stop
SEA12:24 amSeattle/Tacoma Intl
Dec 17
SEA6:00 amSeattle/Tacoma Intl
8h 56m
1 stop
BIS4:56 pmBismarck
$259
Find similar
Delta
Dec 9
BIS7:25 amBismarck
13h 01m
2 stops
SEA6:26 pmSeattle/Tacoma Intl
Dec 16
SEA11:55 pmSeattle/Tacoma Intl
9h 12m
1 stop
BIS11:07 amBismarck
$288
Find similar
Delta
Feb 28
BIS5:30 pmBismarck
7h 46m
1 stop
GEG11:16 pmSpokane
Mar 3
GEG6:30 amSpokane
8h 23m
1 stop
BIS4:53 pmBismarck
$294
Find similar

United Airlines flights from Bismarck to State of Washington

Our best United Airlines deals on Bismarck to State of Washington flight tickets
United Airlines
Dec 8
BIS1:50 pmBismarck
11h 25m
2 stops
SEA11:15 pmSeattle/Tacoma Intl
Dec 16
SEA5:00 amSeattle/Tacoma Intl
5h 54m
1 stop
BIS12:54 pmBismarck
$264
Find similar
United Airlines
Nov 14
BIS5:45 amBismarck
5h 53m
1 stop
PDX9:38 amPortland
Nov 16
PDX5:00 amPortland
6h 11m
1 stop
BIS1:11 pmBismarck
$309
Find similar
United Airlines
Nov 14
BIS5:45 amBismarck
6h 50m
1 stop
SEA10:35 amSeattle/Tacoma Intl
Nov 18
SEA9:25 amSeattle/Tacoma Intl
12h 14m
2 stops
BIS11:39 pmBismarck
$314
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Bismarck to State of 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, momondo users made 832,500 searches. Data last updated November 1, 2025.
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

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Sun 12/7

5:36 pm-12:24 am

1 stop8h 48m

Seattle/Tacoma Intl

Wed 12/17

6:00 am-4:56 pm

1 stop8h 56m

$259

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Sat 2/21

1:10 pm-8:30 pm

1 stop9h 20m

Portland

Mon 2/23

12:55 am-10:56 am

1 stop8h 01m

$259

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Mon 12/8

1:50 pm-11:15 pm

2 stops11h 25m

Seattle/Tacoma Intl

Tue 12/16

5:00 am-12:54 pm

1 stop5h 54m

$264

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Tue 12/9

7:25 am-6:26 pm

2 stops13h 01m

Seattle/Tacoma Intl

Tue 12/16

11:55 pm-11:07 am

1 stop9h 12m

$288

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

$294

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Fri 11/14

5:45 am-10:35 am

1 stop6h 50m

Seattle/Tacoma Intl

Tue 11/18

9:25 am-11:39 pm

2 stops12h 14m

$314

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Fri 12/5

2:29 pm-11:38 pm

1 stop11h 09m

Seattle/Tacoma Intl

Fri 12/12

12:38 am-12:22 pm

1 stop9h 44m

$345

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Tue 12/9

6:00 am-6:20 pm

2 stops14h 20m

Seattle/Tacoma Intl

Fri 12/12

12:38 am-12:22 pm

1 stop9h 44m

$356

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Sat 12/6

7:38 pm-9:56 am

1 stop16h 18m

Seattle/Tacoma Intl

Fri 12/19

11:59 pm-10:46 am

2 stops32h 47m

$473

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Sun 12/7

11:36 am-10:06 am

1 stop24h 30m

Seattle/Tacoma Intl

Fri 12/19

11:59 pm-10:46 am

2 stops32h 47m

$481

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Washington from

How to get the cheapest flight ticket from Bismarck to State of Washington

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to State of Washington?

The month of February is, on average, the cheapest month to fly to State of Washington from Bismarck, with most prices found around $317. If you aren’t able to travel to State of Washington during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $364.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from Bismarck to State of Washington is on a Monday. Travelers who choose to depart for State of Washington on a Monday will often find tickets for as low as $575. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Bismarck to State of Washington for around $765.

What is the cheapest time of day to depart on your flight to State of Washington?

The cheapest time of day to fly to State of Washington is at noon when flights can be purchased for as low as $578. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $692 on average. Flights to State of Washington from Bismarck in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on Bismarck to State of Washington flights?

You could potentially save up to 56% on your flight if you consider stops on a Bismarck to State of Washington flight.

Cheap Bismarck to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Bismarck to State of Washington

Direct flights

None
There are no direct flights from Bismarck to State of Washington. There are no popular flight routes from Bismarck to State of Washington.
Search flight deals

  • When did momondo last update prices for flights from Bismarck Airport to Washington?

    Prices for flights from Bismarck Airport to Washington are refreshed on a daily basis.

  • How many operators does momondo search for flights from Bismarck Airport to Washington?

  • How old do you have to be to fly from Bismarck Airport to Washington?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Bismarck Airport to Washington.

  • What documentation or ID do you need to fly to Washington?

    The necessary travel and health documents for your Washington trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Bismarck to State of Washington

Compare and see reviews for airlines that fly from Bismarck to State of Washington with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $227Free CancellationRating
7.9
7,996 reviews
Search Delta flights
United AirlinesPriceFrom $248Free CancellationRating
7.4
8,995 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Bismarck to Washington?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Bismarck to Washington for you.

Can I find flights from Bismarck to Washington with flexible booking policies on momondo?

All flight searches from Bismarck to Washington on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Bismarck to Washington?

Once you have performed a search for Bismarck to Washington flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Bismarck to Washington right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Bismarck to Washington flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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