BIS - SEA

$200 Find Cheap Flights from Bismarck to Seattle - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$349
Typical prices: $373-$589
Delta
Sun 4/1Fri 4/6
BIS - SEA • 1 stop
Cheapest one-way
$200
Typical prices: $331-$446
Multiple Airlines
Wed 1/3
BIS - SEA • 1 stop
When to travel
October
Cheapest • 32% price drop
August
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Minneapolis St Paul (MSP)
Cheapest • Avg $395 (round-trip)
Denver Intl (DEN)
Shortest trip • 6h 19m (one-way)
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Insights
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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, Apr 1 - Tue, Apr 6
Delta Logo
3:00 pm - 8:27 pmBIS  Bismarck-SEA Seattle/Tacoma Intl
7h 27m1 stop Minneapolis St Paul
Delta Logo
6:05 am - 4:54 pmSEA  Seattle/Tacoma Intl-BIS Bismarck
8h 49m1 stop Minneapolis St Paul
$349Delta
Tue, Jan 12 - Tue, Jan 19
United Airlines Logo
1:23 pm - 6:12 pmBIS  Bismarck-SEA Seattle/Tacoma Intl
6h 49m1 stop Denver Intl
United Airlines Logo
5:00 am - 12:48 pmSEA  Seattle/Tacoma Intl-BIS Bismarck
5h 48m1 stop Denver Intl
$349United Airlines
Tue, Jan 12 - Tue, Jan 19
United Airlines Logo
1:23 pm - 6:12 pmBIS  Bismarck-SEA Seattle/Tacoma Intl
6h 49m1 stop Denver Intl
United Airlines Logo
9:01 am - 11:44 pmSEA  Seattle/Tacoma Intl-BIS Bismarck
12h 43m2 stops San Francisco Denver Intl
$354United Airlines
Tue, Jan 12 - Mon, Jan 18
Delta Logo
12:39 pm - 4:46 pmBIS  Bismarck-SEA Seattle/Tacoma Intl
6h 07m1 stop Minneapolis St Paul
Delta Logo
6:00 am - 2:43 pmSEA  Seattle/Tacoma Intl-BIS Bismarck
6h 43m1 stop Minneapolis St Paul
$384Delta
Thu, Nov 26 - Thu, Dec 3
Delta Logo
12:37 pm - 5:10 pmBIS  Bismarck-SEA Seattle/Tacoma Intl
6h 33m1 stop Minneapolis St Paul
Delta Logo
8:25 am - 4:59 pmSEA  Seattle/Tacoma Intl-BIS Bismarck
6h 34m1 stop Minneapolis St Paul
$384Delta
Tue, Jan 12 - Tue, Jan 19
United Airlines Logo
5:40 am - 2:26 pmBIS  Bismarck-SEA Seattle/Tacoma Intl
10h 46m2 stops Denver Intl San Francisco
United Airlines Logo
10:21 am - 11:44 pmSEA  Seattle/Tacoma Intl-BIS Bismarck
11h 23m2 stops San Francisco Denver Intl
$387United Airlines
Fri, Nov 13 - Tue, Nov 17
Delta Logo
5:40 pm - 11:57 pmBIS  Bismarck-SEA Seattle/Tacoma Intl
8h 17m1 stop Minneapolis St Paul
Delta Logo
1:50 pm - 11:29 pmSEA  Seattle/Tacoma Intl-BIS Bismarck
7h 39m1 stop Minneapolis St Paul
$399Delta
Sun, Nov 22 - Sun, Nov 29
Multiple Airlines Logo
10:10 pm - 12:37 pmBIS  Bismarck-SEA Seattle/Tacoma Intl
16h 27m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
9:53 pm - 8:07 pmSEA  Seattle/Tacoma Intl-BIS Bismarck
20h 14m1 stop Las Vegas Harry Reid Intl
$410Multiple Airlines
Sun, Nov 22 - Sun, Nov 29
Multiple Airlines Logo
10:10 pm - 9:03 amBIS  Bismarck-SEA Seattle/Tacoma Intl
36h 53m2 stops Las Vegas Harry Reid Intl Ontario
Multiple Airlines Logo
9:53 pm - 8:07 pmSEA  Seattle/Tacoma Intl-BIS Bismarck
20h 14m1 stop Las Vegas Harry Reid Intl
$441Multiple Airlines
Sun, Dec 13 - Thu, Dec 17
Multiple Airlines Logo
10:18 pm - 12:16 pmBIS  Bismarck-SEA Seattle/Tacoma Intl
15h 58m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
6:28 pm - 11:45 amSEA  Seattle/Tacoma Intl-BIS Bismarck
39h 17m2 stops Minneapolis St Paul Phoenix Sky Harbor Intl
$510Multiple 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 with more confidence.

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

Round-trip flights from Bismarck to Seattle typically range from $373 to $589. The lowest price found in the past 5 days was $349, on Delta.

What's the cheapest day of the week to fly from Bismarck to Seattle?

Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from Bismarck to Seattle. It’s 13% cheaper than the average day, while Monday is the most expensive, with prices 37% higher.

What’s the cheapest month to fly from Bismarck to Seattle?

•October is the cheapest month to fly from Bismarck to Seattle at $318 round-trip.
•June ($660) and July ($596) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 107% 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

$200
Beat the crowds with an average 56% drop in travelers.
The most popular month to fly with an average 78% increase in travelers.
One-way 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 answers about this route, including flight times, airports, airlines and booking tips.

  • 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

  • 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 19m and 9h 05m 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.

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

    Round-trip flights from Bismarck to Seattle range from $373 to $589, with an average of $468 over the past 12 months. Anything below $373 counts as a good deal.

  • 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 $349 to $1,656. That means the highest observed fare was about 5x 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 lower than usual. Average one-way flight prices are about $365, which is 6% below the typical average for this route.

  • 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 averaging $61 for economy cars. Top options include:

    • Fox
    • Europcar
    • Thrifty
    • Budget
    • Hertz

  • 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).

  • 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) - 49% of one-stop connections
    • Minneapolis St Paul (MSP) - 49% of one-stop connections
    • Dallas/Fort Worth (DFW) - 2% of one-stop connections

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

    Yes. Flexible dates can save you up to 37% on flights from Bismarck to Seattle. Thursday is the cheapest departure day at $409 round-trip on average, while Monday is the most expensive at $643, a difference of $234.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • 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 19m, compared with 7h 08m via Minneapolis St Paul (MSP) and 9h 05m 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 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.

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 are flexible, aim for a Thursday departure and avoid flying on Monday. On this route, Thursday flights average $409, about $234 less than Monday fares (36% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Bismarck to Seattle trip for October. Fares historically average $318 round-trip in that month - typically $342 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.

    • Coast Gateway Hotel
    • Seattle Airport Marriott
    • 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