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Flights from Bismarck to Rock Springs

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

      • BIS 8:00 AM
        6h 21m
        1 stop
        RKS 1:21 PM
        Bismarck - Rock Springs | Wed, Dec 17 | United Airlines
        RKS 5:15 AM
        6h 55m
        1 stop
        BIS 1:10 PM
        Rock Springs - Bismarck | Sun, Dec 21 | United Airlines
        €382 €429
        11% OFF
        11% OFF
        €429 €382
      • BIS 1:00 PM
        17h 25m
        1 stop
        RKS Invalid Date
        Bismarck - Rock Springs | Fri, Dec 12 | Normal Airline
        RKS 3:00 PM
        6h
        Nonstop
        BIS 4:00 PM
        Rock Springs - Bismarck | Sun, Dec 14 | Normal Airline
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Displayed flight fares from Bismarck to Rock Springs are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flying from Bismarck to Rock Springs

The distance between Bismarck and Rock Springs is approximately 877.51 km. Based on Trip.com's data travel demand peaks in August. The off-season for travel is September.

Cheapest round-trip ticket price€382
Off-season for travelSeptember
Peak season for travelAugust
Flight distance877.51 km

When is the cheapest time to fly from Bismarck to Rock Springs?

The cheapest time for Bismarck to Rock Springs flights: Dec 14 to Dec 21 — one way flight prices from €381.

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    221
Displayed fare trends are based on Trip.com's aggregated average of the lowest flight prices from Bismarck to Rock Springs, calculated over the upcoming 10 weeks.

Frequently Asked Questions

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

    By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Bismarck to Rock Springs 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.
  • To find best deals on flights from Bismarck to Rock Springs, you can use various tools on Trip.com:
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Rock Springs travel is around August.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Bismarck to Rock Springs is September, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Bismarck to Rock Springs on December 17, 2025 with United Airlines, with prices starting at €381.
  • The time difference between Rock Springs and Bismarck is 1h.
  • 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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