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Cheap flights from Bismarck to Seattle from $231

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 Seattle departing on 5/8. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Bismarck to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
10:00 am - 4:13 pm
BIS
-
SEA
8h 13m
1 stop
Delta Logo
6:05 am - 2:25 pm
SEA
-
BIS
6h 20m
1 stop
$311Delta
Sat, Oct 3 - Tue, Oct 13
United Airlines Logo
5:06 pm - 9:06 pm
BIS
-
SEA
6h 00m
1 stop
United Airlines Logo
5:05 am - 1:05 pm
SEA
-
BIS
6h 00m
1 stop
$354United Airlines
Tue, May 12 - Sun, May 17
United Airlines Logo
9:00 am - 6:32 pm
BIS
-
SEA
11h 32m
2 stops
United Airlines Logo
5:05 am - 1:05 pm
SEA
-
BIS
6h 00m
1 stop
$359United Airlines
Tue, May 12 - Sun, May 17
American Airlines Logo
2:26 pm - 9:22 pm
BIS
-
SEA
8h 56m
1 stop
American Airlines Logo
11:41 am - 10:55 pm
SEA
-
BIS
9h 14m
1 stop
$369American Airlines
Fri, May 8 - Tue, May 12
American Airlines Logo
2:26 pm - 10:58 pm
BIS
-
SEA
10h 32m
1 stop
American Airlines Logo
7:20 am - 10:55 pm
SEA
-
BIS
13h 35m
2 stops
$374American Airlines
Fri, May 8 - Tue, May 12
American Airlines Logo
2:26 pm - 10:58 pm
BIS
-
SEA
10h 32m
2 stops
American Airlines Logo
11:33 pm - 1:56 pm
SEA
-
BIS
12h 23m
2 stops
$379American Airlines
Fri, May 8 - Tue, May 12
Delta Logo
5:00 am - 8:50 am
BIS
-
SEA
5h 50m
1 stop
Delta Logo
9:05 am - 7:53 pm
SEA
-
BIS
8h 48m
1 stop
$399Delta
Wed, Aug 26 - Thu, Sep 3
American Airlines Logo
2:00 pm - 10:26 pm
BIS
-
SEA
10h 26m
1 stop
American Airlines Logo
12:34 am - 1:01 pm
SEA
-
BIS
10h 27m
1 stop
$418American Airlines
Sat, Aug 1 - Tue, Aug 4
Multiple Airlines Logo
2:38 pm - 10:35 am
BIS
-
SEA
21h 57m
1 stop
Multiple Airlines Logo
8:13 pm - 1:50 pm
SEA
-
BIS
15h 37m
1 stop
$427Multiple Airlines
Thu, Aug 27 - Sat, Sep 5
Delta Logo
5:00 am - 8:50 am
BIS
-
SEA
5h 50m
1 stop
Delta Logo
5:40 pm - 7:53 pm
SEA
-
BIS
24h 13m
2 stops
$438Delta
Wed, Aug 26 - Thu, Sep 3

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Delta flights from Bismarck to Seattle

Our best Delta deals on Bismarck to Seattle flight tickets
Delta
Oct 3
BIS10:00 amBismarck
8h 13m
1 stop
SEA4:13 pmSeattle/Tacoma Intl
Oct 13
SEA6:05 amSeattle/Tacoma Intl
6h 20m
1 stop
BIS2:25 pmBismarck
$311
Delta
Aug 26
BIS5:00 amBismarck
5h 50m
1 stop
SEA8:50 amSeattle/Tacoma Intl
Sep 3
SEA9:05 amSeattle/Tacoma Intl
8h 48m
1 stop
BIS7:53 pmBismarck
$399
Delta
May 6
BIS1:19 pmBismarck
9h 23m
1 stop
SEA8:42 pmSeattle/Tacoma Intl
May 9
SEA12:00 pmSeattle/Tacoma Intl
5h 34m
1 stop
BIS7:34 pmBismarck
$423

American Airlines flights from Bismarck to Seattle

Our best American Airlines deals on Bismarck to Seattle flight tickets
American Airlines
May 8
BIS2:26 pmBismarck
8h 56m
1 stop
SEA9:22 pmSeattle/Tacoma Intl
May 12
SEA11:41 amSeattle/Tacoma Intl
9h 14m
1 stop
BIS10:55 pmBismarck
$369
American Airlines
May 8
BIS2:26 pmBismarck
10h 32m
1 stop
SEA10:58 pmSeattle/Tacoma Intl
May 12
SEA7:20 amSeattle/Tacoma Intl
13h 35m
2 stops
BIS10:55 pmBismarck
$374
American Airlines
May 8
BIS2:26 pmBismarck
10h 32m
2 stops
SEA10:58 pmSeattle/Tacoma Intl
May 12
SEA11:33 pmSeattle/Tacoma Intl
12h 23m
2 stops
BIS1:56 pmBismarck
$379

momondo Fare Finder

 
Customize your flight search to find flights from Bismarck to Seattle 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 April 28, 2026.
Use the filters below to find and compare flights from Bismarck to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Sat 10/3

10:00 am-4:13 pm

1 stop8h 13m

Seattle/Tacoma Intl

Tue 10/13

6:05 am-2:25 pm

1 stop6h 20m

$311
Quickest round-trip

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Tue 5/12

5:06 pm-9:06 pm

1 stop6h 00m

Seattle/Tacoma Intl

Sun 5/17

5:05 am-1:05 pm

1 stop6h 00m

$354

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Tue 5/12

9:00 am-6:32 pm

2 stops11h 32m

Seattle/Tacoma Intl

Sun 5/17

5:05 am-1:05 pm

1 stop6h 00m

$359

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Fri 5/8

2:26 pm-9:22 pm

1 stop8h 56m

Seattle/Tacoma Intl

Tue 5/12

11:41 am-10:55 pm

1 stop9h 14m

$369

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Fri 5/8

2:26 pm-10:58 pm

1 stop10h 32m

Seattle/Tacoma Intl

Tue 5/12

7:20 am-10:55 pm

2 stops13h 35m

$374

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Fri 5/8

2:26 pm-10:58 pm

2 stops10h 32m

Seattle/Tacoma Intl

Tue 5/12

11:33 pm-1:56 pm

2 stops12h 23m

$379

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Wed 8/26

5:00 am-8:50 am

1 stop5h 50m

Seattle/Tacoma Intl

Thu 9/3

9:05 am-7:53 pm

1 stop8h 48m

$399

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Sat 8/1

2:00 pm-10:26 pm

1 stop10h 26m

Seattle/Tacoma Intl

Tue 8/4

12:34 am-1:01 pm

1 stop10h 27m

$418

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Thu 8/27

2:38 pm-10:35 am

1 stop21h 57m

Seattle/Tacoma Intl

Sat 9/5

8:13 pm-1:50 pm

1 stop15h 37m

$427

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Wed 8/26

5:00 am-8:50 am

1 stop5h 50m

Seattle/Tacoma Intl

Thu 9/3

5:40 pm-7:53 pm

2 stops24h 13m

$438

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Bismarck to Seattle

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 typical price of a round-trip flight between Bismarck and Seattle?

What is the cheapest month to fly to Seattle?

In general, July is the cheapest month to fly from Bismarck to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $313. If you don’t want to visit Seattle in July, then you should wait until March to fly from Bismarck, when ticket prices are also cheap, with an average price of $399.

Can stopping save me money on Bismarck to Seattle flights?

You could potentially save up to 3% on your flight if you consider stops on a Bismarck to Seattle flight.

When to book flights from Bismarck to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Bismarck to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Bismarck to Seattle (BIS to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Bismarck to Seattle

Fastest flight time

5h 46m

Direct flights

None
The fastest flight from Bismarck to Seattle takes 5h 46m
There are no direct flights from Bismarck to Seattle. There are no popular flight routes from Bismarck to Seattle.
Search flight deals

Frequently asked questions about flying from Bismarck to Seattle

  • How far is Bismarck to Seattle/Tacoma Intl by plane?

    Seattle/Tacoma Intl is 1009.3 mi away from Bismarck. Flights usually cover this in 5h 46m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Bismarck Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from Bismarck Airport to Seattle/Tacoma Intl Airport refresh daily.

  • How many operators does momondo search for flights from Bismarck Airport to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Bismarck Airport to Seattle/Tacoma Intl 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 Bismarck Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Bismarck to Seattle?

Best airlines flying from Bismarck to Seattle

Compare and see reviews for airlines that fly from Bismarck to Seattle with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $258Free CancellationRating
7.9
8,467 reviews
Search Delta flights
United AirlinesPriceFrom $310Free CancellationRating
7.4
9,672 reviews
Search United Airlines flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Redmond
Kent
Marysville
Puyallup
Tukwila
Lakewood
Cle Elum
Federal Way
Centralia
Fife
Shoreline
Westport
Tumwater

Why use momondo?

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

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 Seattle for you.

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

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

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

Once you have performed a search for Bismarck to Seattle 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 Seattle right now. Can momondo alert me if prices change?

Price alerts on flights to Seattle from Bismarck 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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