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Cheap flights from Washington to Bismarck from $215

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Bismarck departing on 7/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Washington to Bismarck

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
11:59 pm - 10:40 am
SEA
-
BIS
8h 41m
1 stop
Delta Logo
5:40 pm - 11:58 pm
BIS
-
SEA
8h 18m
1 stop
$311Delta
Wed, Jul 8 - Wed, Jul 15
Delta Logo
11:59 pm - 10:40 am
SEA
-
BIS
8h 41m
1 stop
Delta Logo
5:40 pm - 11:58 pm
BIS
-
SEA
8h 18m
1 stop
$321Delta
Wed, Jul 8 - Wed, Jul 15
Delta Logo
1:35 pm - 11:22 pm
PDX
-
BIS
7h 47m
1 stop
Delta Logo
5:42 pm - 11:44 pm
BIS
-
PDX
8h 02m
2 stops
$335Delta
Fri, May 29 - Tue, Jun 2
Multiple Airlines Logo
8:12 pm - 11:16 am
SEA
-
BIS
13h 04m
1 stop
Multiple Airlines Logo
12:06 pm - 10:39 am
BIS
-
SEA
24h 33m
1 stop
$367Multiple Airlines
Wed, Jul 22 - Sun, Jul 26
Multiple Airlines Logo
8:12 pm - 11:16 am
SEA
-
BIS
13h 04m
1 stop
Multiple Airlines Logo
12:06 pm - 10:39 am
BIS
-
SEA
24h 33m
1 stop
$378Multiple Airlines
Wed, Jul 22 - Sun, Jul 26
United Airlines Logo
5:00 am - 12:56 pm
PDX
-
BIS
5h 56m
1 stop
United Airlines Logo
6:25 pm - 11:00 pm
BIS
-
PDX
6h 35m
1 stop
$394United Airlines
Thu, May 28 - Mon, Jun 1
American Airlines Logo
1:34 pm - 11:57 pm
PDX
-
BIS
8h 23m
1 stop
American Airlines Logo
2:00 pm - 9:39 pm
BIS
-
PDX
9h 39m
1 stop
$401American Airlines
Fri, Jun 5 - Mon, Jun 8
United Airlines Logo
1:41 pm - 11:41 pm
GEG
-
BIS
8h 00m
1 stop
United Airlines Logo
9:16 am - 3:12 pm
BIS
-
GEG
7h 56m
1 stop
$554United Airlines
Tue, May 19 - Wed, Jun 3
Allegiant Air Logo
12:02 pm - 9:25 pm
GEG
-
BIS
7h 23m
1 stop
Allegiant Air Logo
9:46 pm - 3:49 pm
BIS
-
GEG
20h 03m
2 stops
$577Allegiant Air
Fri, May 22 - Wed, Jun 3
American Airlines Logo
5:15 am - 11:56 pm
PSC
-
BIS
16h 41m
2 stops
American Airlines Logo
1:55 pm - 11:15 pm
BIS
-
PSC
11h 20m
3 stops
$1,389American Airlines
Thu, Jul 30 - Thu, Aug 6

United Airlines flights from State of Washington to Bismarck

Our best United Airlines deals on State of Washington to Bismarck flight tickets
United Airlines
May 28
PDX5:00 amPortland
5h 56m
1 stop
BIS12:56 pmBismarck
Jun 1
BIS6:25 pmBismarck
6h 35m
1 stop
PDX11:00 pmPortland
$394
United Airlines
May 29
PDX12:50 pmPortland
5h 38m
1 stop
BIS8:28 pmBismarck
Jun 3
BIS6:25 pmBismarck
6h 33m
1 stop
PDX10:58 pmPortland
$415
United Airlines
Jun 3
SEA12:50 pmSeattle/Tacoma Intl
5h 36m
1 stop
BIS8:26 pmBismarck
Jun 10
BIS6:25 pmBismarck
6h 45m
1 stop
SEA11:10 pmSeattle/Tacoma Intl
$420

Delta flights from State of Washington to Bismarck

Our best Delta deals on State of Washington to Bismarck flight tickets
Delta
Jul 8
SEA11:59 pmSeattle/Tacoma Intl
8h 41m
1 stop
BIS10:40 amBismarck
Jul 15
BIS5:40 pmBismarck
8h 18m
1 stop
SEA11:58 pmSeattle/Tacoma Intl
$311
Delta
Jul 8
SEA11:59 pmSeattle/Tacoma Intl
8h 41m
1 stop
BIS10:40 amBismarck
Jul 15
BIS5:40 pmBismarck
8h 18m
1 stop
SEA11:58 pmSeattle/Tacoma Intl
$321
Delta
May 29
PDX1:35 pmPortland
7h 47m
1 stop
BIS11:22 pmBismarck
Jun 2
BIS5:42 pmBismarck
8h 02m
2 stops
PDX11:44 pmPortland
$335

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington to Bismarck 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 May 11, 2026.
Use the filters below to find and compare flights from Washington to Bismarck that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleBismarck

SEA - BIS

SEABIS

Seattle/Tacoma Intl

Wed 7/8

11:59 pm-10:40 am

1 stop8h 41m

Bismarck

Wed 7/15

5:40 pm-11:58 pm

1 stop8h 18m

$311

SeattleBismarck

SEA - BIS

SEABIS

Seattle/Tacoma Intl

Wed 7/8

11:59 pm-10:40 am

1 stop8h 41m

Bismarck

Wed 7/15

5:40 pm-11:58 pm

1 stop8h 18m

$321

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Fri 5/29

1:35 pm-11:22 pm

1 stop7h 47m

Bismarck

Tue 6/2

5:42 pm-11:44 pm

2 stops8h 02m

$335

SeattleBismarck

SEA - BIS

SEABIS

Seattle/Tacoma Intl

Wed 7/22

8:12 pm-11:16 am

1 stop13h 04m

Bismarck

Sun 7/26

12:06 pm-10:39 am

1 stop24h 33m

$367

SeattleBismarck

SEA - BIS

SEABIS

Seattle/Tacoma Intl

Wed 7/22

8:12 pm-11:16 am

1 stop13h 04m

Bismarck

Sun 7/26

12:06 pm-10:39 am

1 stop24h 33m

$378
Quickest round-trip

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Thu 5/28

5:00 am-12:56 pm

1 stop5h 56m

Bismarck

Mon 6/1

6:25 pm-11:00 pm

1 stop6h 35m

$394

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Fri 6/5

1:34 pm-11:57 pm

1 stop8h 23m

Bismarck

Mon 6/8

2:00 pm-9:39 pm

1 stop9h 39m

$401

SpokaneBismarck

GEG - BIS

GEGBIS

Spokane

Tue 5/19

1:41 pm-11:41 pm

1 stop8h 00m

Bismarck

Wed 6/3

9:16 am-3:12 pm

1 stop7h 56m

$554

SpokaneBismarck

GEG - BIS

GEGBIS

Spokane

Fri 5/22

12:02 pm-9:25 pm

1 stop7h 23m

Bismarck

Wed 6/3

9:46 pm-3:49 pm

2 stops20h 03m

$577

PascoBismarck

PSC - BIS

PSCBIS

Pasco Tri Cities

Thu 7/30

5:15 am-11:56 pm

2 stops16h 41m

Bismarck

Thu 8/6

1:55 pm-11:15 pm

3 stops11h 20m

$1,389

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Bismarck from

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

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 Bismarck?

In general, June is the cheapest month to fly from State of Washington to Bismarck. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $188. If you aren’t able to travel during the month of June, then book flights to Bismarck from State of Washington during May instead. Flights to Bismarck in May, while not as cheap as those in June, still average around $248.

Cheap State of Washington to Bismarck flight deals and tips

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

Fastest flight time

5h 33m

Direct flights

None
The fastest flight from State of Washington to Bismarck takes 5h 33m
There are no direct flights from State of Washington to Bismarck. There are no popular flight routes from State of Washington to Bismarck.
Search flight deals

Frequently asked questions about flying from Washington to Bismarck

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

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington to Bismarck Airport.

  • What documentation or ID do you need to fly to Bismarck Airport?

    The necessary travel and health documents for your Bismarck Airport 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 State of Washington to Bismarck

Compare and see reviews for airlines that fly from State of Washington to Bismarck with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $248Free CancellationRating
7.4
9,699 reviews
Search United Airlines flights
DeltaPriceFrom $248Free CancellationRating
7.9
8,451 reviews
Search Delta flights

Why use momondo?

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

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 Washington to Bismarck for you.

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

Yes. All flights to Bismarck from Washington on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential Washington to Bismarck flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to Bismarck from Washington are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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