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

United Airlines, Delta, and American Airlines 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 May 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.

$222 Cheap Flights from Bismarck to Washington in 2026

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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.

5:00 am - 8:50 am

BIS

SEA

5h 50m

1 stop

6:05 am - 4:48 pm

SEA

BIS

8h 43m

1 stop

$311Delta

Tue, Sep 1 - Sat, Sep 5

1:10 pm - 8:15 pm

BIS

PDX

9h 05m

1 stop

1:25 pm - 11:14 pm

PDX

BIS

7h 49m

1 stop

$311Delta

Sat, Sep 12 - Sat, Sep 19

5:30 pm - 11:26 pm

BIS

SEA

7h 56m

1 stop

1:45 pm - 11:14 pm

SEA

BIS

7h 29m

1 stop

$315Delta

Sun, Sep 13 - Wed, Sep 23

1:10 pm - 8:15 pm

BIS

PDX

9h 05m

1 stop

1:25 pm - 11:14 pm

PDX

BIS

7h 49m

1 stop

$315Delta

Mon, Sep 14 - Tue, Sep 22

3:00 pm - 8:27 pm

BIS

SEA

7h 27m

1 stop

6:05 am - 2:25 pm

SEA

BIS

6h 20m

1 stop

$319Delta

Fri, Oct 23 - Mon, Oct 26

1:55 pm - 11:50 pm

BIS

SEA

11h 55m

2 stops

11:59 pm - 12:28 pm

SEA

BIS

10h 29m

1 stop

$372American Airlines

Tue, Sep 1 - Sat, Sep 5

12:58 pm - 8:52 pm

BIS

SEA

9h 54m

1 stop

10:17 am - 10:56 pm

SEA

BIS

10h 39m

1 stop

$422American Airlines

Tue, Sep 8 - Sat, Sep 12

9:16 am - 3:13 pm

BIS

PDX

7h 57m

1 stop

11:05 am - 8:26 pm

PDX

BIS

7h 21m

1 stop

$430United Airlines

Sat, May 30 - Wed, Jun 3

6:00 am - 10:01 am

BIS

SEA

6h 01m

1 stop

9:00 am - 11:38 pm

SEA

BIS

12h 38m

2 stops

$431United Airlines

Sat, Aug 15 - Sat, Aug 22

2:40 pm - 5:45 pm

BIS

SEA

29h 05m

1 stop

7:00 am - 12:40 pm

SEA

BIS

27h 40m

2 stops

$443Multiple Airlines

Sun, Sep 13 - Wed, Sep 23

Delta flights from Bismarck to State of Washington

Our best Delta deals on Bismarck to State of Washington flight tickets

Delta

Sep 1

BIS5:00 amBismarck

5h 50m

1 stop

SEA8:50 amSeattle/Tacoma Intl

Sep 5

SEA6:05 amSeattle/Tacoma Intl

8h 43m

1 stop

BIS4:48 pmBismarck

$311

Delta

Sep 13

BIS5:30 pmBismarck

7h 56m

1 stop

SEA11:26 pmSeattle/Tacoma Intl

Sep 23

SEA1:45 pmSeattle/Tacoma Intl

7h 29m

1 stop

BIS11:14 pmBismarck

$315

Delta

Oct 23

BIS3:00 pmBismarck

7h 27m

1 stop

SEA8:27 pmSeattle/Tacoma Intl

Oct 26

SEA6:05 amSeattle/Tacoma Intl

6h 20m

1 stop

BIS2:25 pmBismarck

$319

United Airlines flights from Bismarck to State of Washington

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

United Airlines

May 30

BIS9:16 amBismarck

7h 57m

1 stop

PDX3:13 pmPortland

Jun 3

PDX11:05 amPortland

7h 21m

1 stop

BIS8:26 pmBismarck

$430

United Airlines

Aug 15

BIS6:00 amBismarck

6h 01m

1 stop

SEA10:01 amSeattle/Tacoma Intl

Aug 22

SEA9:00 amSeattle/Tacoma Intl

12h 38m

2 stops

BIS11:38 pmBismarck

$431

United Airlines

May 29

BIS1:45 pmBismarck

13h 05m

2 stops

PDX12:50 amPortland

Jun 1

PDX4:15 pmPortland

5h 26m

1 stop

BIS11:41 pmBismarck

$469

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Tue 9/1

5:00 am-8:50 am

1 stop5h 50m

Seattle/Tacoma Intl

Sat 9/5

6:05 am-4:48 pm

1 stop8h 43m

$311

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Sat 9/12

1:10 pm-8:15 pm

1 stop9h 05m

Portland

Sat 9/19

1:25 pm-11:14 pm

1 stop7h 49m

$311

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Sun 9/13

5:30 pm-11:26 pm

1 stop7h 56m

Seattle/Tacoma Intl

Wed 9/23

1:45 pm-11:14 pm

1 stop7h 29m

$315

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Mon 9/14

1:10 pm-8:15 pm

1 stop9h 05m

Portland

Tue 9/22

1:25 pm-11:14 pm

1 stop7h 49m

$315

Quickest round-trip

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Fri 10/23

3:00 pm-8:27 pm

1 stop7h 27m

Seattle/Tacoma Intl

Mon 10/26

6:05 am-2:25 pm

1 stop6h 20m

$319

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Tue 9/1

1:55 pm-11:50 pm

2 stops11h 55m

Seattle/Tacoma Intl

Sat 9/5

11:59 pm-12:28 pm

1 stop10h 29m

$372

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Tue 9/8

12:58 pm-8:52 pm

1 stop9h 54m

Seattle/Tacoma Intl

Sat 9/12

10:17 am-10:56 pm

1 stop10h 39m

$422

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Sat 5/30

9:16 am-3:13 pm

1 stop7h 57m

Portland

Wed 6/3

11:05 am-8:26 pm

1 stop7h 21m

$430

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Sat 8/15

6:00 am-10:01 am

1 stop6h 01m

Seattle/Tacoma Intl

Sat 8/22

9:00 am-11:38 pm

2 stops12h 38m

$431

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Sun 9/13

2:40 pm-5:45 pm

1 stop29h 05m

Seattle/Tacoma Intl

Wed 9/23

7:00 am-12:40 pm

2 stops27h 40m

$443

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 August is, on average, the cheapest month to fly to State of Washington from Bismarck, with most prices found around $227. If you aren’t able to travel to State of Washington during the month of August, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $258.

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

You could potentially save up to 66% 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

Fastest flight time	5h 21m
Direct flights	None

The fastest flight from Bismarck to State of Washington takes 5h 21m

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 May 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 $258	Free Cancellation	Rating 7.9 8,447 reviews		Search Delta flights
United Airlines	PriceFrom $287	Free Cancellation	Rating 7.4 9,737 reviews		Search United Airlines flights

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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.