SEA - BIS

$289 Find Cheap Flights from Seattle to Bismarck

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Seattle to Bismarck departing on 6/2. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Bismarck

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Bismarck, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Bismarck, as well as popular online travel agencies
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

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Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest round-trip
$319
Typical prices: $431-$390
Delta
Thu 10/1Sun 10/4
SEA - BIS • 1 stop
Cheapest one-way
$289
Multiple Airlines
Tue 6/2
SEA - BIS • 2 stops
Top airlines
United Airlines
Cheapest • from $344 (round-trip)
Delta
Best reviews • 7.9 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Nonstop flights
Not available
There are currently no direct flights between Seattle and Bismarck. You'll need at least 1 connection.
Insights
Insights
Insights
Insights
Top layover airports
Dallas (DFW)
Cheapest • Avg $421 (round-trip)
Denver (DEN)
Shortest trip • 5h 59m (one-way)
Insights
Insights
Insights
Insights
When to travel
November
Cheapest • 100% price drop
August
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Bismarck!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Seattle to Bismarck (SEA-BIS)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Seattle to Bismarck that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to Bismarck

Thu, Oct 1 - Sun, Oct 4
Delta Logo
11:53 pm - 10:48 am
SEA
-
BIS
8h 55m
1 stop
Delta Logo
5:30 pm - 11:26 pm
BIS
-
SEA
7h 56m
1 stop
$319Delta
Fri, May 29 - Tue, Jun 2
Delta Logo
12:00 pm - 7:34 pm
SEA
-
BIS
5h 34m
1 stop
Delta Logo
5:42 pm - 11:43 pm
BIS
-
SEA
8h 01m
1 stop
$385Delta
Mon, Aug 24 - Mon, Aug 31
Delta Logo
2:30 pm - 11:12 pm
SEA
-
BIS
6h 42m
1 stop
Delta Logo
5:00 am - 8:50 am
BIS
-
SEA
5h 50m
1 stop
$443Delta
Wed, Jul 1 - Sun, Jul 5
Multiple Airlines Logo
11:53 am - 11:16 am
SEA
-
BIS
21h 23m
2 stops
Multiple Airlines Logo
12:06 pm - 10:39 am
BIS
-
SEA
24h 33m
1 stop
$480Multiple Airlines
Fri, May 29 - Tue, Jun 2
American Airlines Logo
11:58 pm - 12:12 pm
SEA
-
BIS
10h 14m
1 stop
American Airlines Logo
6:00 am - 5:44 pm
BIS
-
SEA
13h 44m
2 stops
$493American Airlines
Sat, Jul 4 - Fri, Jul 10
Multiple Airlines Logo
8:12 pm - 11:16 am
SEA
-
BIS
13h 04m
1 stop
Multiple Airlines Logo
10:04 pm - 9:49 am
BIS
-
SEA
37h 45m
2 stops
$498Multiple Airlines
Wed, Jul 1 - Sun, Jul 5
Multiple Airlines Logo
8:12 pm - 11:16 am
SEA
-
BIS
13h 04m
1 stop
Multiple Airlines Logo
12:06 pm - 10:39 am
BIS
-
SEA
24h 33m
1 stop
$529Multiple Airlines
Sat, Jul 4 - Thu, Jul 9
Delta Logo
11:59 pm - 10:36 am
SEA
-
BIS
8h 37m
1 stop
Delta Logo
5:00 am - 10:59 am
BIS
-
SEA
7h 59m
1 stop
$543Delta
Sat, Jul 4 - Wed, Jul 8
Delta Logo
11:59 pm - 10:36 am
SEA
-
BIS
8h 37m
1 stop
Delta Logo
8:00 am - 11:58 pm
BIS
-
SEA
17h 58m
1 stop
$552Delta
Thu, Oct 1 - Sun, Oct 4
American Airlines Logo
11:54 pm - 1:27 pm
SEA
-
BIS
11h 33m
2 stops
American Airlines Logo
1:57 pm - 9:36 pm
BIS
-
SEA
9h 39m
1 stop
$573American Airlines
Booking Insights

KAYAK's insights & trends for Seattle to Bismarck flights

Get data-powered insights and trends into flights from Seattle to Bismarck to help you find the cheapest flights, the best time to fly and much more.

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

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Seattle to Bismarck departing in October.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Seattle to Bismarck, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Seattle to Bismarck is November, where tickets cost $0 (return) on average. On the other hand, the most expensive months are March and July, where the average cost of round-trip tickets is $527 and $518 respectively.

Find deals

Good to know

Low seasonFebruary
Cheapest flight$289
Best time to beat the crowds with an average 19% drop in price.
Most popular time to fly with an average 5% increase in price.
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
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Seattle to Bismarck

  • What is the cheapest flight from Seattle to Bismarck?

    In the last 3 days, the lowest price for a flight from Seattle to Bismarck was $289 for a one-way ticket and $344 for a round-trip.

  • Do I need a passport to fly between Seattle and Bismarck?

    No

  • Which aircraft models fly most regularly from Seattle to Bismarck?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Seattle to Bismarck?

    SkyTeam, and Star Alliance are the airline alliances operating flights between Seattle and Bismarck, with SkyTeam being the most commonly used for this route.

  • Which is the best airline for flights from Seattle to Bismarck, Delta or United Airlines?

    The two airlines most popular with KAYAK users for flights from Seattle to Bismarck are Delta and United Airlines. With an average price for the route of $480 and an overall rating of 7.9, Delta is the most popular choice. United Airlines is also a great choice for the route, with an average price of $453 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from Seattle to Bismarck?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seattle to Bismarck.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seattle to Bismarck?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Bismarck from Seattle is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Seattle to Bismarck?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Bismarck with an airline and back to Seattle with another airline. Booking your flights between Seattle and BIS can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seattle to Bismarck?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Bismarck from Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airlines flying from Seattle to Bismarck

 
See real verified KAYAK customer reviews for airlines flying from Seattle to Bismarck. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Seattle to Bismarck? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
DeltaOverall score based on 8447 reviews
7.2Food
7.8Entertainment
8.5Crew
8.1Boarding
7.8Comfort
Airline reviews

Enjoyed it very much. Especially liked the free WiFi that Delta offers.

10.0 ExcellentBenjamin, May 2026
CLT - MSP
Read more Delta reviews

Enjoyed it very much. Especially liked the free WiFi that Delta offers.

Smooth flight. Left on time, and got in 15 minutes early. Onboard video was great

For some reason, TSA Atlanta didn’t have my bag on the flight on time and they don’t have to provide Delta a reason for that.

WiFi didn’t work on two of four planes. Flight attendants were not overly friendly or welcoming. Planes were extremely slow to board and deplane.

Delta does a great job with entertainment and free wifi. I can still be in touch with my colleagues while in the air.

Aside from a completely packed plane, I really have no complaints.

Bus to plane was delayed for no apparent reason and our luggage was still on the belt when they shut it off. Took about 20 minutes to turn it back on to get our luggage.

It was a pleasant surprise to have complimentary Wi-Fi on the flight

Much better than Latam, the worse airline company ever. I hope I don't have the need to fly Latam ever in my life again.

Seats in Delta Main are unbelievably close to the seat in front of. Hard to get a backpack under the seat.

Late plane. Only one crew on the ground so we b had to wait for Denver flight to come in, board, and depart. At 78 yrs of age I was not pleased trying to get my connection. What really made me angry was the notification you sent me to hurry up or I would miss my connection. Why tell me to hurry up when you got me in late. It was not a good way of treating customers.

No complaints other than luggage carousel was incorrectly guiding passengers to the wrong carousel on the screen.

We were a little disappointed to not be able to complete check in online without uploading pics of passports. Also we have KTN's and they weren't on our boarding passes when we got to security. Had to trek back to counter to have them fix.

Excellent service in Polaris class IAD to ZRH. Arrived rested and well fed after the overnight flight.

It's a short hop. My carryon was checked at the gate, I didn't have to drag it all over the airport. Excellent wheelchair assist.

It was good overall except from Omaha to Denver when flight a was a repeatedly delayed apparently due to some issue at Denver. Communications could have been handled better. I had to board then deboard with luggage and board again

Left an hour and a half after the listed time. Up side was it had TV screens on the seat.

No screens or meal options. Freezing cold. Dirty seats. Left late.

O’hsre taxi and deboarding took 40 minutes. Needed 20 minutes extra time between connecting flights to avoid running through terminal.

Overall a good experience, but no wifi available for free or for purchase and we got wet from condensation or other water source during descent.

Everything you need to know for your flight from Seattle to Bismarck

Information on your arrival and departure airports

Seattle (SEA)
Bismarck (BIS)