Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Bismarck to Seattle from $155

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 10/4. 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
1 adult, Economy, 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
5:36 pm - 10:00 pm
BIS
-
SEA
6h 24m
1 stop
Delta Logo
6:00 am - 5:00 pm
SEA
-
BIS
9h 00m
1 stop
$321Delta
Sat, Sep 5 - Fri, Sep 11
Delta Logo
5:00 am - 8:48 am
BIS
-
SEA
5h 48m
1 stop
Delta Logo
11:59 pm - 10:32 am
SEA
-
BIS
8h 33m
1 stop
$321Delta
Tue, Sep 1 - Tue, Sep 15
Delta Logo
5:40 pm - 11:55 pm
BIS
-
SEA
8h 15m
1 stop
Delta Logo
11:59 pm - 10:32 am
SEA
-
BIS
8h 33m
1 stop
$325Delta
Fri, Sep 18 - Wed, Sep 23
Delta Logo
5:40 pm - 11:55 pm
BIS
-
SEA
8h 15m
1 stop
Delta Logo
11:59 pm - 10:32 am
SEA
-
BIS
8h 33m
1 stop
$325Delta
Wed, Sep 9 - Thu, Sep 17
United Airlines Logo
6:00 am - 10:01 am
BIS
-
SEA
6h 01m
1 stop
United Airlines Logo
1:16 pm - 11:38 pm
SEA
-
BIS
8h 22m
2 stops
$346United Airlines
Sun, Sep 6 - Sat, Sep 12
United Airlines Logo
6:00 am - 2:24 pm
BIS
-
SEA
10h 24m
2 stops
United Airlines Logo
1:16 pm - 11:38 pm
SEA
-
BIS
8h 22m
2 stops
$353United Airlines
Sun, Sep 6 - Sat, Sep 12
United Airlines Logo
6:00 am - 10:01 am
BIS
-
SEA
6h 01m
1 stop
United Airlines Logo
7:11 am - 8:18 pm
SEA
-
BIS
11h 07m
2 stops
$366United Airlines
Tue, Sep 1 - Tue, Sep 15
American Airlines Logo
1:57 pm - 9:52 pm
BIS
-
SEA
9h 55m
1 stop
American Airlines Logo
11:57 pm - 1:27 pm
SEA
-
BIS
11h 30m
2 stops
$497American Airlines
Fri, Sep 18 - Wed, Sep 23
American Airlines Logo
1:57 pm - 7:48 pm
BIS
-
SEA
7h 51m
1 stop
American Airlines Logo
12:04 pm - 10:59 pm
SEA
-
BIS
8h 55m
1 stop
$527American Airlines
Fri, Sep 25 - Mon, Oct 5
American Airlines Logo
1:55 pm - 11:29 pm
BIS
-
SEA
11h 34m
2 stops
American Airlines Logo
10:17 am - 10:52 pm
SEA
-
BIS
10h 35m
1 stop
$540American Airlines
Sat, Sep 5 - Sat, Sep 12

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Delta flights from Bismarck to Seattle

Our best Delta deals on Bismarck to Seattle flight tickets
Delta
Sep 5
BIS5:36 pmBismarck
6h 24m
1 stop
SEA10:00 pmSeattle/Tacoma Intl
Sep 11
SEA6:00 amSeattle/Tacoma Intl
9h 00m
1 stop
BIS5:00 pmBismarck
$321
Delta
Sep 9
BIS5:40 pmBismarck
8h 15m
1 stop
SEA11:55 pmSeattle/Tacoma Intl
Sep 17
SEA11:59 pmSeattle/Tacoma Intl
8h 33m
1 stop
BIS10:32 amBismarck
$325
Delta
Sep 1
BIS5:36 pmBismarck
6h 24m
1 stop
SEA10:00 pmSeattle/Tacoma Intl
Sep 15
SEA11:59 pmSeattle/Tacoma Intl
8h 33m
1 stop
BIS10:32 amBismarck
$341

United Airlines flights from Bismarck to Seattle

Our best United Airlines deals on Bismarck to Seattle flight tickets
United Airlines
Sep 6
BIS6:00 amBismarck
6h 01m
1 stop
SEA10:01 amSeattle/Tacoma Intl
Sep 12
SEA1:16 pmSeattle/Tacoma Intl
8h 22m
2 stops
BIS11:38 pmBismarck
$346
United Airlines
Sep 6
BIS6:00 amBismarck
10h 24m
2 stops
SEA2:24 pmSeattle/Tacoma Intl
Sep 12
SEA1:16 pmSeattle/Tacoma Intl
8h 22m
2 stops
BIS11:38 pmBismarck
$353
United Airlines
Sep 1
BIS6:00 amBismarck
6h 01m
1 stop
SEA10:01 amSeattle/Tacoma Intl
Sep 15
SEA7:11 amSeattle/Tacoma Intl
11h 07m
2 stops
BIS8:18 pmBismarck
$366

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 July 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

Cheapest round-trip

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Sat 9/5

5:36 pm-10:00 pm

1 stop6h 24m

Seattle/Tacoma Intl

Fri 9/11

6:00 am-5:00 pm

1 stop9h 00m

$321
Quickest round-trip

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Tue 9/1

5:00 am-8:48 am

1 stop5h 48m

Seattle/Tacoma Intl

Tue 9/15

11:59 pm-10:32 am

1 stop8h 33m

$321

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Fri 9/18

5:40 pm-11:55 pm

1 stop8h 15m

Seattle/Tacoma Intl

Wed 9/23

11:59 pm-10:32 am

1 stop8h 33m

$325

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Wed 9/9

5:40 pm-11:55 pm

1 stop8h 15m

Seattle/Tacoma Intl

Thu 9/17

11:59 pm-10:32 am

1 stop8h 33m

$325

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Sun 9/6

6:00 am-10:01 am

1 stop6h 01m

Seattle/Tacoma Intl

Sat 9/12

1:16 pm-11:38 pm

2 stops8h 22m

$346

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Sun 9/6

6:00 am-2:24 pm

2 stops10h 24m

Seattle/Tacoma Intl

Sat 9/12

1:16 pm-11:38 pm

2 stops8h 22m

$353

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Tue 9/1

6:00 am-10:01 am

1 stop6h 01m

Seattle/Tacoma Intl

Tue 9/15

7:11 am-8:18 pm

2 stops11h 07m

$366

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Fri 9/18

1:57 pm-9:52 pm

1 stop9h 55m

Seattle/Tacoma Intl

Wed 9/23

11:57 pm-1:27 pm

2 stops11h 30m

$497

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Fri 9/25

1:57 pm-7:48 pm

1 stop7h 51m

Seattle/Tacoma Intl

Mon 10/5

12:04 pm-10:59 pm

1 stop8h 55m

$527

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Sat 9/5

1:55 pm-11:29 pm

2 stops11h 34m

Seattle/Tacoma Intl

Sat 9/12

10:17 am-10:52 pm

1 stop10h 35m

$540

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

Prices are currently typical for flights on this route.

Typical prices usually range from $310 to $548.
The lowest price recently found on this route was $321.

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 $264. If you don’t want to visit Seattle in July, then you should wait until August to fly from Bismarck, when ticket prices are also cheap, with an average price of $378.

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 48m

Direct flights

None
The fastest flight from Bismarck to Seattle takes 5h 48m
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 48m, 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
7.8
8,485 reviews
Search Delta flights
United AirlinesPriceFrom $287Free CancellationRating
7.4
10,052 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
Kent
Lynnwood
Redmond
Lakewood
Puyallup
Tukwila
Federal Way
Fife
Cle Elum
Marysville
Kirkland
Centralia
Shoreline
Lacey

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.

An easier way to manage your Seattle trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 8/28
Fri 9/4
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States