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Delta Air Lines(DL) flights from Seattle to Bismarck

Flight INFO & Delta Air Lines(DL) flights from Seattle to Bismarck

Cheapest one-way flight pricePLN 796
Cheapest monthAugust
Peak season for travelJanuary
Flight distance1,627.66 km
Popular airlineDelta Air Lines

Book Delta Air Lines(DL) flights from Seattle to Bismarck

  • One way
  • Round-trip
      • SEA07:36
        10h 32m
        1 stop
        BIS20:08
        Seattle - Bismarck|Tue, Dec 30|Delta Air Lines
        PLN 796PLN 1,899
        57% OFF
        57% OFF
        PLN 1,899PLN 796

      • SEA23:55
        9h 12m
        1 stop
        BIS11:07
        Seattle - Bismarck|Sat, Dec 13|Delta Air Lines
        PLN 1,288PLN 1,899
        32% OFF
        32% OFF
        PLN 1,899PLN 1,288

      • SEA23:59
        9h 8m
        1 stop
        BIS11:07
        Seattle - Bismarck|Mon, Dec 8|Delta Air Lines
        PLN 1,538PLN 1,899
        19% OFF
        19% OFF
        PLN 1,899PLN 1,538

      • SEA1:00 PM
        3h 5m
        Nonstop
        BIS2:00 PM
        Seattle - Bismarck|Sun, Dec 14|Delta Air Lines
        Find More Flights
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Displayed flight fares from ${{departCityName}} to ${{arrivalCityName}} are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flights to Bismarck

Delta Air Lines(DL) flights from Seattle to Bismarck & Flight Schedule

Flight info.
Departure
Arrival
Weekly Schedule

  1. DL953

    Delta Air Lines

    23:53

    SEA

    2.4h

    Nonstop

    04:15

    MSP

    S--WTFS
    Search

  2. DL3982

    Delta Air Lines

    09:15

    MSP

    1.9h

    Nonstop

    11:07

    BIS

    SMTWTFS
    Search

  3. DL2922

    Delta Air Lines

    07:20

    SEA

    2.6h

    Nonstop

    09:59

    LAS

    SMTWTFS
    Search

  4. G4008

    Allegiant Air

    11:05

    LAS

    2.7h

    Nonstop

    15:46

    BIS

    S-TWT-S
    Search

Delta Air Lines(DL) flights from Seattle to Bismarck Flight Booking FAQ

  • When is the best time to book flights from Seattle to Bismarck?

    By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Seattle to Bismarck is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

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

    The cheapest months to fly from Seattle to Bismarck is August, when demand for travel is lower.

  • Which upcoming date is cheapest to fly from Seattle to Bismarck on?

    After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Seattle to Bismarck on December 29, 2025 with Frontier Airlines, with prices starting at PLN 962.

  • Is there any time difference between Seattle and Bismarck?

    The time difference between Bismarck and Seattle is 2h.

  • How do I change or cancel my ticket from Seattle to Bismarck?

    Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

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