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Find cheap one-way flights from Bismarck to Seattle starting at US$167.

Discover our range of affordable one-way and round-trip flights from Bismarck to Seattle and kick-start your next adventure today!

  • One way
  • Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Bismarck to Seattle Flight time & Schedules

Flight info.
Departure
Arrival
Weekly Schedule
  1. DL3803

    05:00

    BIS

    1.5h

    06:29

    MSP

    SMTWTF-
  2. DL868

    08:50

    MSP

    3.9h

    10:45

    SEA

    SMTWTFS
  3. DL763

    06:00

    BIS

    1.7h

    07:42

    MSP

    ------S
  4. DL868

    08:50

    MSP

    3.9h

    10:45

    SEA

    SMTWTFS
  5. UA4738

    06:00

    BIS

    2.1h

    07:05

    DEN

    SMTWTFS
  6. UA204

    08:00

    DEN

    3.0h

    09:59

    SEA

    SMTWTFS
  7. DL1726

    07:31

    BIS

    1.5h

    08:59

    MSP

    SMTWTF-
  8. DL889

    11:00

    MSP

    3.9h

    12:54

    SEA

    SMTWTFS
  9. DL4066

    11:30

    BIS

    1.5h

    12:59

    MSP

    SMTWTFS
  10. DL505

    21:25

    MSP

    4.0h

    23:25

    SEA

    SMTWTFS
  11. DL3942

    13:15

    BIS

    1.5h

    14:45

    MSP

    SMTWTFS
  12. DL881

    18:25

    MSP

    4.0h

    20:24

    SEA

    SMTWTFS
  13. UA4694

    13:55

    BIS

    1.9h

    14:50

    DEN

    SMTWTFS
  14. UA745

    16:05

    DEN

    3.0h

    18:06

    SEA

    SMTWTFS
  15. AA3423

    15:01

    BIS

    2.7h

    17:44

    DFW

    SMTWTFS
  16. AA2009

    16:35

    DFW

    4.5h

    19:05

    SEA

    SMTWTFS
  17. UA4642

    17:05

    BIS

    2.0h

    18:08

    DEN

    SMTWTFS
  18. UA2651

    20:44

    DEN

    3.0h

    22:44

    SEA

    SMTWTFS
  19. DL4071

    17:35

    BIS

    1.7h

    19:15

    MSP

    SMTWT-S
  20. DL505

    21:25

    MSP

    4.0h

    23:25

    SEA

    SMTWTFS

When is the cheapest time to book flights from Bismarck to Seattle?

These price trend charts carefully monitor and predict how flight prices from Bismarck to Seattle will change. Keep a close eye on them to understand when the best time to buy your tickets is.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from Bismarck (BIS) to Seattle (SEA) the cheapest?

    Airlines adjust prices for flights from Bismarck to Seattle based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much do flights from Bismarck (BIS) to Seattle (SEA) cost?

    According to Trip.com's data, the lowest price is around $535.
  • What is the transportation method from the main airport to downtown in Seattle?

    • The distance from Seattle-Tacoma International Airport to downtown is about 17 km. It takes about 30 minutes by taxi.

How to find a cheap flight from Bismarck to Seattle

If you leave it until the last minute and forget to check some of the key information when booking tickets, prices can often end up skyrocketing. Below, you can find our top tips for getting the best value flights – from changing dates to chasing deals, there are plenty ways to keep your next trip affordable.
1
Being flexible with your dates to get the cheapest Bismarck to Seattle ticket.
Tap "Date" on flight search bar to scan through the calender for Bismarck to Seattle airfare over next 6 months in 2025. If you would like to fly in next 3 months, it seems the cheapest date is on Tue, Mar 11 at US$167 for one-way flights.
2
Compare cheap Bismarck to Seattle flight deals from over hundreds of airlines.
Our extensive search allows you to compare prices from over 500 airlines to choose the cheapest flight tickets from Bismarck to Seattle. The cheapest airline operating is United Airlines.
3
Set up a Price Alert
By setting up a Price Alert for your Bismarck to Seattle route, you can easily track the price of your airline tickets from Bismarck to Seattle without manually checking every day.
4
Don't miss cheap Bismarck to Seattle flight deals and promo codes.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights for cheap flights. If registering a free membership, you can receive more deals for your flights.
5
Book early or wait unitl the last minute.
It's always better to book early. Flight tickets tend to be the cheapest when they are first released, normally about a year before the departure date. So, check online as soon as the flights you want become available. If you miss the cheapest time, you can still find lower-priced tickets as the flight date approaches.
6
Search for flights on the go.
To get the best flight booking experience on the go, download Trip.com free app and search for cheap flight tickets from Bismarck to Seattle to get exclusive deals for you.

Bismarck to Seattle Flight Information

Cheapest nonstop flight price$167
Off-season for travelFebruary
Peak season for travelNovember
Flight distance1,627.66 km
Popular airlineDelta Air Lines