SEA - BIS

$191 Find Cheap Flights from Seattle to Bismarck - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$382
Typical prices: $381-$574
United Airlines
Mon 12/10Wed 12/12
SEA - BIS • 1 stop
Cheapest one-way
$191
Typical prices: $313-$436
Multiple Airlines
Sun 12/30
SEA - BIS • 1 stop
When to travel
December
Cheapest • 21% price drop
July
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Chicago O'Hare Intl (ORD)
Cheapest • Avg $449 (round-trip)
Denver Intl (DEN)
Shortest trip • 6h 10m (one-way)
Insights
Insights
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Flight Deals

Cheap Flights from Seattle to Bismarck (SEA-BIS)

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

Recent round-trip flight deals from Seattle to Bismarck

Thu, Dec 10 - Sat, Dec 12
United Airlines Logo
4:04 pm - 11:44 pmSEA  Seattle/Tacoma Intl-BIS Bismarck
5h 40m1 stop Denver Intl
United Airlines Logo
1:15 pm - 8:47 pmBIS  Bismarck-SEA Seattle/Tacoma Intl
9h 32m2 stops Denver Intl San Francisco
$382United Airlines
Mon, Nov 23 - Fri, Nov 27
Delta Logo
6:00 am - 2:32 pmSEA  Seattle/Tacoma Intl-BIS Bismarck
6h 32m1 stop Minneapolis St Paul
Delta Logo
6:30 am - 10:42 amBIS  Bismarck-SEA Seattle/Tacoma Intl
6h 12m1 stop Minneapolis St Paul
$419Delta
Thu, Dec 10 - Sat, Dec 12
United Airlines Logo
1:16 pm - 11:44 pmSEA  Seattle/Tacoma Intl-BIS Bismarck
8h 28m2 stops San Francisco Denver Intl
United Airlines Logo
1:15 pm - 8:47 pmBIS  Bismarck-SEA Seattle/Tacoma Intl
9h 32m2 stops Denver Intl San Francisco
$440United Airlines
Thu, Dec 10 - Sat, Dec 12
Delta Logo
6:00 am - 2:49 pmSEA  Seattle/Tacoma Intl-BIS Bismarck
6h 49m1 stop Minneapolis St Paul
Delta Logo
12:41 pm - 5:30 pmBIS  Bismarck-SEA Seattle/Tacoma Intl
6h 49m1 stop Minneapolis St Paul
$444Delta
Wed, Feb 3 - Sat, Feb 6
United Airlines Logo
4:00 pm - 11:44 pmSEA  Seattle/Tacoma Intl-BIS Bismarck
5h 44m1 stop Denver Intl
United Airlines Logo
4:58 pm - 9:17 pmBIS  Bismarck-SEA Seattle/Tacoma Intl
6h 19m1 stop Denver Intl
$469United Airlines
Wed, Feb 3 - Sat, Feb 6
United Airlines Logo
9:01 am - 11:44 pmSEA  Seattle/Tacoma Intl-BIS Bismarck
12h 43m2 stops San Francisco Denver Intl
United Airlines Logo
4:58 pm - 9:17 pmBIS  Bismarck-SEA Seattle/Tacoma Intl
6h 19m1 stop Denver Intl
$474United Airlines
Sat, Nov 21 - Wed, Nov 25
Delta Logo
6:00 am - 4:41 pmSEA  Seattle/Tacoma Intl-BIS Bismarck
8h 41m1 stop Minneapolis St Paul
Delta Logo
5:40 pm - 11:57 pmBIS  Bismarck-SEA Seattle/Tacoma Intl
8h 17m1 stop Minneapolis St Paul
$597Delta
Mon, Nov 23 - Sat, Nov 28
Multiple Airlines Logo
9:53 pm - 8:55 pmSEA  Seattle/Tacoma Intl-BIS Bismarck
21h 02m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
10:32 pm - 9:03 amBIS  Bismarck-SEA Seattle/Tacoma Intl
36h 31m2 stops Las Vegas Harry Reid Intl Ontario
$775Multiple Airlines
Sun, Nov 22 - Sat, Nov 28
Multiple Airlines Logo
10:18 am - 9:20 pmSEA  Seattle/Tacoma Intl-BIS Bismarck
9h 02m2 stops Ontario Las Vegas Harry Reid Intl
Multiple Airlines Logo
10:32 pm - 12:37 pmBIS  Bismarck-SEA Seattle/Tacoma Intl
16h 05m1 stop Las Vegas Harry Reid Intl
$928Multiple Airlines
Tue, Dec 8 - Wed, Dec 9
American Airlines Logo
11:39 pm - 12:47 pmSEA  Seattle/Tacoma Intl-BIS Bismarck
11h 08m1 stop Chicago O'Hare Intl
American Airlines Logo
2:06 pm - 10:38 pmBIS  Bismarck-SEA Seattle/Tacoma Intl
10h 32m1 stop Dallas/Fort Worth
$1,010American Airlines
Booking Insights

Price, demand and travel trends for Seattle to Bismarck 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 Seattle to Bismarck?

Round-trip flights from Seattle to Bismarck typically range from $381 to $574. The lowest price found in the past 5 days was $382, on United Airlines.

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

Based on deals KAYAK users found in the last 12 months, Saturday is the cheapest day of the week to fly from Seattle to Bismarck. It’s 28% cheaper than the average day, while Thursday is the most expensive, with prices 18% higher.

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

•December is the cheapest month to fly from Seattle to Bismarck at $378 round-trip.
•July ($705) and June ($629) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 86% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Seattle to Bismarck flights

Low season

October

Cheapest flight

$191
Beat the crowds with an average 31% drop in travelers.
The most popular month to fly with an average 38% increase in travelers.
One-way flight from Seattle to Bismarck

When to book flights from Seattle to Bismarck

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

Your Seattle to Bismarck 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 Seattle to Bismarck?

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

    • Economy Class
    • First Class

  • How long is a flight from Seattle to Bismarck?

    There are currently no nonstop flights available from Seattle to Bismarck. Flights with 1 layover take between 6h 10m and 9h 51m in total, depending on the connection.

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

    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 Seattle to Bismarck flight?

    Round-trip flights from Seattle to Bismarck range from $381 to $574, with an average of $478 over the past 12 months. Anything below $381 counts as a good deal.

  • Have flight prices from Seattle to Bismarck 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 $382 to $2,364. That means the highest observed fare was about 6x higher than the lowest one.

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

    One-way fares from Seattle to Bismarck are currently in line with typical prices for this route. Average one-way fares are about $353.

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

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

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

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

    • Denver Intl (DEN) - 68% of one-stop connections
    • Minneapolis St Paul (MSP) - 29% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 2% of one-stop connections
    • Dallas/Fort Worth (DFW) - 1% of one-stop connections

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

    Yes. Flexible dates can save you up to 39% on flights from Seattle to Bismarck. Saturday is the cheapest departure day at $346 round-trip on average, while Thursday is the most expensive at $566, a difference of $220.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

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

    Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 6h 10m, compared with 7h 28m via Minneapolis St Paul (MSP) and 8h 46m via Dallas/Fort Worth (DFW).

  • What is the time difference between Seattle and Bismarck?

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

Your guide to booking Seattle to Bismarck 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 Saturday departure and avoid flying on Thursday. On this route, Saturday flights average $346, about $220 less than Thursday fares (39% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Seattle to Bismarck trip for December. Fares historically average $378 round-trip in that month - typically $327 less than the most expensive month, which is July (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Bismarck Airport.

    • Everspring Inn

More options for your flight from Seattle to Bismarck

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

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