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Cheap flights from Bismarck to Seattle from $187

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 3/14. 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 Bismarck to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:00 am - 9:46 am
BIS
-
SEA
5h 46m
1 stop
United Airlines Logo
5:00 am - 12:58 pm
SEA
-
BIS
5h 58m
1 stop
$436United Airlines
Sun, Apr 12 - Sat, Apr 18
United Airlines Logo
6:00 am - 9:46 am
BIS
-
SEA
5h 46m
1 stop
United Airlines Logo
8:42 am - 11:43 pm
SEA
-
BIS
13h 01m
2 stops
$466United Airlines
Sun, Apr 12 - Sat, Apr 18
Delta Logo
5:00 am - 12:23 pm
BIS
-
SEA
9h 23m
1 stop
Delta Logo
3:30 pm - 11:22 pm
SEA
-
BIS
5h 52m
1 stop
$524Delta
Wed, Feb 11 - Sun, Feb 15
Delta Logo
5:00 am - 12:23 pm
BIS
-
SEA
9h 23m
1 stop
Delta Logo
3:30 pm - 11:22 pm
SEA
-
BIS
5h 52m
1 stop
$629Delta
Thu, Feb 12 - Mon, Feb 16
United Airlines Logo
5:30 am - 3:44 pm
BIS
-
SEA
12h 14m
2 stops
United Airlines Logo
2:55 pm - 11:43 pm
SEA
-
BIS
6h 48m
1 stop
$646United Airlines
Wed, Feb 11 - Sun, Feb 15
Delta Logo
5:00 am - 8:50 am
BIS
-
SEA
5h 50m
1 stop
Delta Logo
6:05 am - 4:48 pm
SEA
-
BIS
8h 43m
1 stop
$680Delta
Sun, Jun 21 - Fri, Jul 3
Delta Logo
5:00 am - 12:23 pm
BIS
-
SEA
9h 23m
1 stop
Delta Logo
7:55 pm - 10:35 am
SEA
-
BIS
12h 40m
2 stops
$737Delta
Thu, Feb 12 - Mon, Feb 16
Delta Logo
5:00 am - 8:50 am
BIS
-
SEA
5h 50m
1 stop
Delta Logo
7:30 am - 7:53 pm
SEA
-
BIS
10h 23m
2 stops
$761Delta
Sun, Jun 21 - Fri, Jul 3
Delta Logo
11:13 am - 9:13 pm
BIS
-
SEA
12h 00m
2 stops
Delta Logo
9:20 pm - 10:35 am
SEA
-
BIS
11h 15m
2 stops
$802Delta
Sun, Apr 12 - Sat, Apr 18
Delta Logo
11:18 am - 8:44 pm
BIS
-
SEA
11h 26m
2 stops
Delta Logo
7:55 pm - 10:35 am
SEA
-
BIS
12h 40m
2 stops
$916Delta
Thu, Feb 12 - Mon, Feb 16

United Airlines flights from Bismarck to Seattle

Our best United Airlines deals on Bismarck to Seattle flight tickets
United Airlines
Apr 12
BIS6:00 amBismarck
5h 46m
1 stop
SEA9:46 amSeattle/Tacoma Intl
Apr 18
SEA5:00 amSeattle/Tacoma Intl
5h 58m
1 stop
BIS12:58 pmBismarck
$436
United Airlines
Apr 12
BIS6:00 amBismarck
5h 46m
1 stop
SEA9:46 amSeattle/Tacoma Intl
Apr 18
SEA8:42 amSeattle/Tacoma Intl
13h 01m
2 stops
BIS11:43 pmBismarck
$466
United Airlines
Jan 30
BIS5:30 amBismarck
6h 25m
1 stop
SEA9:55 amSeattle/Tacoma Intl
Feb 3
SEA5:00 amSeattle/Tacoma Intl
5h 51m
1 stop
BIS12:51 pmBismarck
$481

Delta flights from Bismarck to Seattle

Our best Delta deals on Bismarck to Seattle flight tickets
Delta
Feb 11
BIS5:00 amBismarck
9h 23m
1 stop
SEA12:23 pmSeattle/Tacoma Intl
Feb 15
SEA3:30 pmSeattle/Tacoma Intl
5h 52m
1 stop
BIS11:22 pmBismarck
$524
Delta
Feb 12
BIS5:00 amBismarck
9h 23m
1 stop
SEA12:23 pmSeattle/Tacoma Intl
Feb 16
SEA3:30 pmSeattle/Tacoma Intl
5h 52m
1 stop
BIS11:22 pmBismarck
$629
Delta
Jun 21
BIS5:00 amBismarck
5h 50m
1 stop
SEA8:50 amSeattle/Tacoma Intl
Jul 3
SEA6:05 amSeattle/Tacoma Intl
8h 43m
1 stop
BIS4:48 pmBismarck
$680

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 January 29, 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

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Sun 4/12

6:00 am-9:46 am

1 stop5h 46m

Seattle/Tacoma Intl

Sat 4/18

5:00 am-12:58 pm

1 stop5h 58m

$436

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Sun 4/12

6:00 am-9:46 am

1 stop5h 46m

Seattle/Tacoma Intl

Sat 4/18

8:42 am-11:43 pm

2 stops13h 01m

$466

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Wed 2/11

5:00 am-12:23 pm

1 stop9h 23m

Seattle/Tacoma Intl

Sun 2/15

3:30 pm-11:22 pm

1 stop5h 52m

$524

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Thu 2/12

5:00 am-12:23 pm

1 stop9h 23m

Seattle/Tacoma Intl

Mon 2/16

3:30 pm-11:22 pm

1 stop5h 52m

$629

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Wed 2/11

5:30 am-3:44 pm

2 stops12h 14m

Seattle/Tacoma Intl

Sun 2/15

2:55 pm-11:43 pm

1 stop6h 48m

$646

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Sun 6/21

5:00 am-8:50 am

1 stop5h 50m

Seattle/Tacoma Intl

Fri 7/3

6:05 am-4:48 pm

1 stop8h 43m

$680

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Thu 2/12

5:00 am-12:23 pm

1 stop9h 23m

Seattle/Tacoma Intl

Mon 2/16

7:55 pm-10:35 am

2 stops12h 40m

$737

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Sun 6/21

5:00 am-8:50 am

1 stop5h 50m

Seattle/Tacoma Intl

Fri 7/3

7:30 am-7:53 pm

2 stops10h 23m

$761

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Sun 4/12

11:13 am-9:13 pm

2 stops12h 00m

Seattle/Tacoma Intl

Sat 4/18

9:20 pm-10:35 am

2 stops11h 15m

$802

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Thu 2/12

11:18 am-8:44 pm

2 stops11h 26m

Seattle/Tacoma Intl

Mon 2/16

7:55 pm-10:35 am

2 stops12h 40m

$916

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 Seattle from

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, February 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 $286. If you don’t want to visit Seattle in February, then you should wait until March to fly from Bismarck, when ticket prices are also cheap, with an average price of $364.

Can stopping save me money on Bismarck to Seattle flights?

You could potentially save up to 5% 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

  • 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 $227Free CancellationRating
7.9
8,128 reviews
Search Delta flights
United AirlinesPriceFrom $286Free CancellationRating
7.4
9,215 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
Kent
Marysville
Puyallup
Redmond
Cle Elum
Tukwila
Lakewood
Federal Way
Centralia
Westport
Kirkland
Fife
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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