BIS - SEA

$319 Find Cheap Flights from Bismarck to Seattle - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
$345
Typical prices: $399-$589
Delta
Sun 2/4Fri 2/9
BIS - SEA • 1 stop
Cheapest one-way
$319
Typical prices: $331-$442
United Airlines
Sun 10/14
BIS - SEA • 1 stop
When to travel
March
Cheapest • 15% price drop
August
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Dallas/Fort Worth (DFW)
Cheapest • Avg $362 (round-trip)
Denver Intl (DEN)
Shortest trip • 6h 20m (one-way)
Insights
Insights
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Seattle!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Bismarck to Seattle (BIS-SEA)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Bismarck to Seattle

Thu, Feb 4 - Tue, Feb 9
Delta Logo
12:35 pm - 4:35 pmBIS  Bismarck-SEA Seattle/Tacoma Intl
6h 00m1 stop Minneapolis St Paul
Delta Logo
6:05 am - 2:25 pmSEA  Seattle/Tacoma Intl-BIS Bismarck
6h 20m1 stop Minneapolis St Paul
$345Delta
Tue, Dec 8 - Sun, Dec 13
Delta Logo
5:41 pm - 11:54 pmBIS  Bismarck-SEA Seattle/Tacoma Intl
8h 13m1 stop Minneapolis St Paul
Delta Logo
6:00 am - 4:59 pmSEA  Seattle/Tacoma Intl-BIS Bismarck
8h 59m1 stop Minneapolis St Paul
$345Delta
Tue, Oct 6 - Wed, Oct 14
Delta Logo
5:39 pm - 11:59 pmBIS  Bismarck-SEA Seattle/Tacoma Intl
8h 20m1 stop Minneapolis St Paul
Delta Logo
1:42 pm - 11:25 pmSEA  Seattle/Tacoma Intl-BIS Bismarck
7h 43m1 stop Minneapolis St Paul
$349Delta
Tue, Oct 6 - Tue, Oct 13
Delta Logo
5:39 pm - 11:59 pmBIS  Bismarck-SEA Seattle/Tacoma Intl
8h 20m1 stop Minneapolis St Paul
Delta Logo
6:00 am - 2:38 pmSEA  Seattle/Tacoma Intl-BIS Bismarck
6h 38m1 stop Minneapolis St Paul
$349Delta
Thu, Feb 4 - Tue, Feb 9
United Airlines Logo
5:40 am - 2:33 pmBIS  Bismarck-SEA Seattle/Tacoma Intl
10h 53m2 stops Denver Intl San Francisco
United Airlines Logo
3:51 pm - 11:51 pmSEA  Seattle/Tacoma Intl-BIS Bismarck
6h 00m1 stop Denver Intl
$380United Airlines
Sun, Nov 1 - Sun, Nov 8
United Airlines Logo
5:50 am - 9:47 amBIS  Bismarck-SEA Seattle/Tacoma Intl
5h 57m1 stop Denver Intl
United Airlines Logo
5:05 am - 12:27 pmSEA  Seattle/Tacoma Intl-BIS Bismarck
5h 22m1 stop Denver Intl
$397United Airlines
Fri, Oct 30 - Sun, Nov 1
United Airlines Logo
5:02 pm - 9:19 pmBIS  Bismarck-SEA Seattle/Tacoma Intl
6h 17m1 stop Denver Intl
United Airlines Logo
5:05 am - 12:27 pmSEA  Seattle/Tacoma Intl-BIS Bismarck
5h 22m1 stop Denver Intl
$398United Airlines
Sun, Oct 11 - Wed, Oct 14
Multiple Airlines Logo
10:45 pm - 9:48 amBIS  Bismarck-SEA Seattle/Tacoma Intl
13h 03m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
8:00 pm - 9:26 pmSEA  Seattle/Tacoma Intl-BIS Bismarck
23h 26m2 stops Los Angeles Las Vegas Harry Reid Intl
$529Multiple Airlines
Tue, Dec 22 - Sat, Jan 9
American Airlines Logo
6:45 am - 2:57 pmBIS  Bismarck-SEA Seattle/Tacoma Intl
10h 12m1 stop Dallas/Fort Worth
American Airlines Logo
10:22 am - 9:47 pmSEA  Seattle/Tacoma Intl-BIS Bismarck
9h 25m1 stop Dallas/Fort Worth
$530American Airlines
Wed, Dec 23 - Mon, Jan 11
American Airlines Logo
6:45 am - 2:57 pmBIS  Bismarck-SEA Seattle/Tacoma Intl
10h 12m1 stop Dallas/Fort Worth
American Airlines Logo
10:22 am - 9:47 pmSEA  Seattle/Tacoma Intl-BIS Bismarck
9h 25m1 stop Dallas/Fort Worth
$546American Airlines
Booking Insights

Price, demand and travel trends for Bismarck to Seattle flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Bismarck to Seattle with more confidence.

How much is a round-trip flight from Bismarck to Seattle?

Round-trip flights from Bismarck to Seattle start at $345. Prices are below average for this route right now, with typical round-trip fares ranging from $399 to $589. The lowest price found in the past 5 days was $345 on Delta.

What is the cheapest month to fly from Bismarck to Seattle?

•March is the cheapest month to fly from Bismarck to Seattle at $399 round-trip.
•June ($660) and July ($571) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 65% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Bismarck to Seattle flights

Low season

April

Cheapest flight

$319
Most popular time to fly with an average 1% increase in price.
Flight from Bismarck to Seattle

When to book flights from Bismarck to Seattle

Are your dates flexible? Find out the best times to travel from Bismarck to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Bismarck to Seattle flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Bismarck to Seattle?

    Flights from Bismarck to Seattle usually depart from Bismarck (BIS) and arrive at Seattle/Tacoma Intl (SEA).

  • What cabin classes can I book on flights from Bismarck to Seattle?

    Two cabin classes are available on flights from Bismarck to Seattle:

    • Economy Class
    • First Class

  • Which airports do connecting flights from Bismarck to Seattle pass through?

    One-stop flights from Bismarck to Seattle most commonly connect through:

    • Denver Intl (DEN) - 50% of one-stop connections
    • Minneapolis St Paul (MSP) - 48% of one-stop connections
    • Dallas/Fort Worth (DFW) - 2% of one-stop connections

    Denver Intl (DEN) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Bismarck to Seattle?

    Yes. Being flexible with your travel dates can save you up to 36% on the Bismarck to Seattle route. Tuesday is the cheapest departure day at $406 round-trip on average, while Monday is the most expensive at $628, a difference of $222. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Seattle?

    Some of the most popular sights in Seattle are Pike Place Market, Lumen Field and Space Needle. These are among the most viewed places in Seattle on KAYAK.

  • How long is a flight from Bismarck to Seattle?

    There are currently no nonstop flights available from Bismarck to Seattle. Flights with 1 layover take between 6h 20m and 8h 45m in total, depending on the connection.

  • Do I need a passport to fly from Bismarck to Seattle?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Bismarck to Seattle changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $345 to $1,230. That means the highest observed fare was about 4x higher than the lowest one.

  • How are flight prices from Bismarck to Seattle looking right now?

    One-way fares from Bismarck to Seattle are currently higher than usual. Average one-way flight prices are about $393, which is 11% above the typical average for this route.

  • How much time can I save by choosing a different layover airport from Bismarck to Seattle?

    Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 6h 20m, compared with 7h 16m via Minneapolis St Paul (MSP) and 8h 45m via Dallas/Fort Worth (DFW).

  • What is the time difference between Bismarck and Seattle?

    Seattle is 2 hours behind Bismarck (Pacific Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Seattle/Tacoma Intl Airport (SEA)?

    Seattle/Tacoma Intl Airport (SEA) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include:
    • Fox
    • Europcar
    • Thrifty
    • Budget
    • Dollar

  • How much should I expect to pay for a Bismarck to Seattle flight?

    Round-trip flights from Bismarck to Seattle range from $399 to $589, with an average of $468 over the past 12 months. Anything below $399 counts as a good deal.

Your guide to booking Bismarck to Seattle flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Tuesday departure instead of Monday. On this route, Tuesday flights average $406 - about $222 less than Monday (35% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Bismarck to Seattle trip for March. Fares historically average $399 round-trip in that month - typically $261 less than the most expensive month, which is June (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Seattle/Tacoma Intl Airport.
    - Seattle Airport Marriott
    - Coast Gateway Hotel
    - Fairfield by Marriott Inn & Suites Seattle Sea-Tac Airport

More options for your flight from Bismarck to Seattle

Complete your trip to Seattle with a hotel stay or car rental

Car rentals in Seattle
Hotels in Seattle
Vacations in Seattle