What is the cheapest airline that flies from Bismarck to Washington?

American Airlines, Allegiant Air, and Delta are the most popular carriers operating from Bismarck to Washington

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?

As of October 2026, there are 2 operators available to choose from 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.

$200 Cheap Flights from Bismarck to Washington in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Bismarck to Washington

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:00 pm - 8:27 pmBIS Bismarck-SEA Seattle/Tacoma Intl

7h 27m1 stop Minneapolis St Paul

6:05 am - 4:54 pmSEA Seattle/Tacoma Intl-BIS Bismarck

8h 49m1 stop Minneapolis St Paul

$349Delta

Thu, Apr 1 - Tue, Apr 6

5:00 am - 2:46 pmBIS Bismarck-GEG Spokane

11h 46m2 stops Minneapolis St Paul Seattle/Tacoma Intl

6:15 am - 3:13 pmGEG Spokane-BIS Bismarck

6h 58m1 stop Minneapolis St Paul

$379Delta

Fri, Dec 11 - Fri, Jan 1

6:30 pm - 10:59 pmBIS Bismarck-SEA Seattle/Tacoma Intl

6h 29m1 stop Denver Intl

10:45 am - 11:37 pmSEA Seattle/Tacoma Intl-BIS Bismarck

10h 52m2 stops San Francisco Denver Intl

$403United Airlines

Thu, Apr 1 - Tue, Apr 6

10:10 pm - 12:37 pmBIS Bismarck-SEA Seattle/Tacoma Intl

16h 27m1 stop Las Vegas Harry Reid Intl

9:53 pm - 8:07 pmSEA Seattle/Tacoma Intl-BIS Bismarck

20h 14m1 stop Las Vegas Harry Reid Intl

$410Multiple Airlines

Sun, Nov 22 - Sun, Nov 29

12:39 pm - 4:46 pmBIS Bismarck-SEA Seattle/Tacoma Intl

6h 07m1 stop Minneapolis St Paul

6:00 am - 2:43 pmSEA Seattle/Tacoma Intl-BIS Bismarck

6h 43m1 stop Minneapolis St Paul

$414Delta

Mon, Jan 11 - Mon, Jan 18

8:03 am - 12:06 pmBIS Bismarck-GEG Spokane

6h 03m1 stop Minneapolis St Paul

6:25 am - 4:29 pmGEG Spokane-BIS Bismarck

8h 04m1 stop Minneapolis St Paul

$419Delta

Wed, Nov 11 - Sat, Nov 14

4:58 pm - 9:17 pmBIS Bismarck-SEA Seattle/Tacoma Intl

6h 19m1 stop Denver Intl

5:00 am - 12:48 pmSEA Seattle/Tacoma Intl-BIS Bismarck

5h 48m1 stop Denver Intl

$429United Airlines

Mon, Jan 11 - Sun, Jan 17

1:23 pm - 11:15 pmBIS Bismarck-SEA Seattle/Tacoma Intl

11h 52m2 stops Denver Intl San Francisco

5:00 am - 12:48 pmSEA Seattle/Tacoma Intl-BIS Bismarck

5h 48m1 stop Denver Intl

$434United Airlines

Mon, Jan 11 - Sun, Jan 17

10:10 pm - 9:03 amBIS Bismarck-SEA Seattle/Tacoma Intl

36h 53m2 stops Las Vegas Harry Reid Intl Ontario

9:53 pm - 8:07 pmSEA Seattle/Tacoma Intl-BIS Bismarck

20h 14m1 stop Las Vegas Harry Reid Intl

$441Multiple Airlines

Sun, Nov 22 - Sun, Nov 29

1:58 pm - 10:11 pmBIS Bismarck-SEA Seattle/Tacoma Intl

10h 13m1 stop Dallas/Fort Worth

7:10 am - 9:46 pmSEA Seattle/Tacoma Intl-BIS Bismarck

12h 36m2 stops Los Angeles Dallas/Fort Worth

$561American Airlines

Mon, Nov 9 - Sat, Nov 14

Cheap last minute flights

Enter your travel dates to find the best prices.

5:39 pm - 11:59 pmBIS Bismarck-SEA Seattle/Tacoma Intl

8h 20m1 stop Minneapolis St Paul

6:00 am - 4:26 pmSEA Seattle/Tacoma Intl-BIS Bismarck

8h 26m1 stop Minneapolis St Paul

$544Delta

Thu, Oct 29 - Sun, Nov 1

1:02 pm - 5:57 pmBIS Bismarck-SEA Seattle/Tacoma Intl

6h 55m1 stop Denver Intl

5:05 am - 12:27 pmSEA Seattle/Tacoma Intl-BIS Bismarck

5h 22m1 stop Denver Intl

$609United Airlines

Thu, Oct 29 - Sun, Nov 1

1:02 pm - 8:47 pmBIS Bismarck-SEA Seattle/Tacoma Intl

9h 45m2 stops Denver Intl San Francisco

5:05 am - 12:27 pmSEA Seattle/Tacoma Intl-BIS Bismarck

5h 22m1 stop Denver Intl

$611United Airlines

Mon, Nov 2 - Mon, Nov 9

5:02 pm - 9:19 pmBIS Bismarck-SEA Seattle/Tacoma Intl

6h 17m1 stop Denver Intl

5:05 am - 12:27 pmSEA Seattle/Tacoma Intl-BIS Bismarck

5h 22m1 stop Denver Intl

$619United Airlines

Thu, Oct 29 - Sun, Nov 1

1:02 pm - 5:57 pmBIS Bismarck-SEA Seattle/Tacoma Intl

6h 55m1 stop Denver Intl

5:05 am - 12:27 pmSEA Seattle/Tacoma Intl-BIS Bismarck

5h 22m1 stop Denver Intl

$619United Airlines

Thu, Oct 29 - Sun, Nov 1

1:02 pm - 12:59 amBIS Bismarck-SEA Seattle/Tacoma Intl

13h 57m2 stops Denver Intl San Francisco

3:49 pm - 11:44 pmSEA Seattle/Tacoma Intl-BIS Bismarck

5h 55m1 stop Denver Intl

$624United Airlines

Thu, Oct 29 - Sun, Nov 1

1:02 pm - 12:59 amBIS Bismarck-SEA Seattle/Tacoma Intl

13h 57m2 stops Denver Intl San Francisco

9:05 am - 11:44 pmSEA Seattle/Tacoma Intl-BIS Bismarck

12h 39m2 stops San Francisco Denver Intl

$629United Airlines

Thu, Oct 29 - Sun, Nov 1

5:50 am - 9:47 amBIS Bismarck-SEA Seattle/Tacoma Intl

5h 57m1 stop Denver Intl

5:05 am - 12:27 pmSEA Seattle/Tacoma Intl-BIS Bismarck

5h 22m1 stop Denver Intl

$666United Airlines

Mon, Nov 2 - Mon, Nov 9

6:42 am - 4:00 pmBIS Bismarck-SEA Seattle/Tacoma Intl

11h 18m2 stops Dallas/Fort Worth Los Angeles

6:20 am - 9:46 pmSEA Seattle/Tacoma Intl-BIS Bismarck

13h 26m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth

$781American Airlines

Mon, Nov 2 - Mon, Nov 9

7:00 am - 5:50 pmBIS Bismarck-SEA Seattle/Tacoma Intl

12h 50m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl

12:34 am - 1:28 pmSEA Seattle/Tacoma Intl-BIS Bismarck

11h 54m2 stops Chicago O'Hare Intl Dallas/Fort Worth

$811American Airlines

Thu, Oct 29 - Sat, Oct 31

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American Airlines flights from Bismarck to State of Washington

Our best American Airlines deals on Bismarck to State of Washington flight tickets

American Airlines

Nov 9

BIS1:58 pmBismarck

10h 13m

1 stop

SEA10:11 pmSeattle/Tacoma Intl

Nov 14

SEA7:10 amSeattle/Tacoma Intl

12h 36m

2 stops

BIS9:46 pmBismarck

$561

American Airlines

Dec 19

BIS2:09 pmBismarck

10h 59m

1 stop

SEA11:08 pmSeattle/Tacoma Intl

Jan 10

SEA11:55 pmSeattle/Tacoma Intl

10h 45m

1 stop

BIS12:40 pmBismarck

$762

American Airlines

Nov 9

BIS1:58 pmBismarck

12h 37m

2 stops

SEA12:35 amSeattle/Tacoma Intl

Nov 14

SEA7:10 amSeattle/Tacoma Intl

12h 36m

2 stops

BIS9:46 pmBismarck

$763

United Airlines flights from Bismarck to State of Washington

Our best United Airlines deals on Bismarck to State of Washington flight tickets

United Airlines

Apr 1

BIS6:30 pmBismarck

6h 29m

1 stop

SEA10:59 pmSeattle/Tacoma Intl

Apr 6

SEA10:45 amSeattle/Tacoma Intl

10h 52m

2 stops

BIS11:37 pmBismarck

$403

United Airlines

Jan 11

BIS4:58 pmBismarck

6h 19m

1 stop

SEA9:17 pmSeattle/Tacoma Intl

Jan 17

SEA5:00 amSeattle/Tacoma Intl

5h 48m

1 stop

BIS12:48 pmBismarck

$429

United Airlines

Jan 11

BIS1:23 pmBismarck

11h 52m

2 stops

SEA11:15 pmSeattle/Tacoma Intl

Jan 17

SEA5:00 amSeattle/Tacoma Intl

5h 48m

1 stop

BIS12:48 pmBismarck

$434

momondo Fare Finder

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

BismarckSeattle

BIS Bismarck - SEA Seattle/Tacoma Intl

BISSEA

Bismarck

Thu 4/1

3:00 pm-8:27 pm

1 stop7h 27m

Seattle/Tacoma Intl

Tue 4/6

6:05 am-4:54 pm

1 stop8h 49m

$349

BismarckSpokane

BIS Bismarck - GEG Spokane

BISGEG

Bismarck

Fri 12/11

5:00 am-2:46 pm

2 stops11h 46m

Spokane

Fri 1/1

6:15 am-3:13 pm

1 stop6h 58m

$379

BismarckSeattle

BIS Bismarck - SEA Seattle/Tacoma Intl

BISSEA

Bismarck

Thu 4/1

6:30 pm-10:59 pm

1 stop6h 29m

Seattle/Tacoma Intl

Tue 4/6

10:45 am-11:37 pm

2 stops10h 52m

$403

BismarckSeattle

BIS Bismarck - SEA Seattle/Tacoma Intl

BISSEA

Bismarck

Sun 11/22

10:10 pm-12:37 pm

1 stop16h 27m

Seattle/Tacoma Intl

Sun 11/29

9:53 pm-8:07 pm

1 stop20h 14m

$410

BismarckSeattle

BIS Bismarck - SEA Seattle/Tacoma Intl

BISSEA

Bismarck

Mon 1/11

12:39 pm-4:46 pm

1 stop6h 07m

Seattle/Tacoma Intl

Mon 1/18

6:00 am-2:43 pm

1 stop6h 43m

$414

BismarckSpokane

BIS Bismarck - GEG Spokane

BISGEG

Bismarck

Wed 11/11

8:03 am-12:06 pm

1 stop6h 03m

Spokane

Sat 11/14

6:25 am-4:29 pm

1 stop8h 04m

$419

Quickest round-trip

BismarckSeattle

BIS Bismarck - SEA Seattle/Tacoma Intl

BISSEA

Bismarck

Mon 1/11

4:58 pm-9:17 pm

1 stop6h 19m

Seattle/Tacoma Intl

Sun 1/17

5:00 am-12:48 pm

1 stop5h 48m

$429

BismarckSeattle

BIS Bismarck - SEA Seattle/Tacoma Intl

BISSEA

Bismarck

Mon 1/11

1:23 pm-11:15 pm

2 stops11h 52m

Seattle/Tacoma Intl

Sun 1/17

5:00 am-12:48 pm

1 stop5h 48m

$434

BismarckSeattle

BIS Bismarck - SEA Seattle/Tacoma Intl

BISSEA

Bismarck

Sun 11/22

10:10 pm-9:03 am

2 stops36h 53m

Seattle/Tacoma Intl

Sun 11/29

9:53 pm-8:07 pm

1 stop20h 14m

$441

BismarckSeattle

BIS Bismarck - SEA Seattle/Tacoma Intl

BISSEA

Bismarck

Mon 11/9

1:58 pm-10:11 pm

1 stop10h 13m

Seattle/Tacoma Intl

Sat 11/14

7:10 am-9:46 pm

2 stops12h 36m

$561

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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

The month of July is, on average, the cheapest month to fly to State of Washington from Bismarck, with most prices found around $264. If you aren’t able to travel to State of Washington during the month of July, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $399.

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

You could potentially save up to 41% 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

Best Price Found	$200
Fastest flight time	5h 55m
Direct flights	None

The best one-way flight to State of Washington from Bismarck in the past 72 hours is $200. The best round-trip flight deal from Bismarck to State of Washington found on momondo in the last 72 hours is $349.

The fastest flight from Bismarck to State of Washington takes 5h 55m

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

Frequently asked questions about flying from Bismarck to Washington

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?
As of October 2026, there are 2 operators available to choose from 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
Delta	PriceFrom $264	Free Cancellation	Rating 7.8 8,681 reviews		Search Delta flights
United Airlines	PriceFrom $310	Free Cancellation	Rating 7.3 10,444 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.