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Flights from Rock Springs to Great Falls

Find the cheapest flight options from Rock Springs to Great Falls over the next three months. Book one-way tickets from TWD 6,893 and round-trip tickets from TWD 10,715.

      • RKS 14:08
        7h 45m
        1 stop
        GTF 21:53
        Rock Springs - Great Falls | Thu, Jan 8 | United Airlines
        GTF 14:29
        7h 46m
        1 stop
        RKS 22:15
        Great Falls - Rock Springs | Mon, Jan 12 | United Airlines
        TWD 10,715 TWD 27,245
        61% OFF
        61% OFF
        TWD 27,245 TWD 10,715
      • RKS 14:18
        8h 28m
        1 stop
        GTF 22:46
        Rock Springs - Great Falls | Wed, Dec 24 | United Airlines
        GTF 06:15
        15h 44m
        1 stop
        RKS 21:59
        Great Falls - Rock Springs | Sun, Dec 28 | United Airlines
        TWD 19,889 TWD 27,245
        27% OFF
        27% OFF
        TWD 27,245 TWD 19,889
      • RKS 13:00
        17h 25m
        1 stop
        GTF Invalid Date
        Rock Springs - Great Falls | Sun, Dec 14 | Normal Airline
        GTF 15:00
        6h
        Direct
        RKS 16:00
        Great Falls - Rock Springs | Tue, Dec 16 | Normal Airline
        Find More Flights
        Find More Flights
      • RKS 14:08
        7h 45m
        1 stop
        GTF 21:53
        Rock Springs - Great Falls | Tue, Jan 13 | United Airlines
        TWD 6,893 TWD 9,442
        27% OFF
        27% OFF
        TWD 9,442 TWD 6,893
      • RKS 14:08
        7h 45m
        1 stop
        GTF 21:53
        Rock Springs - Great Falls | Thu, Jan 15 | United Airlines
        TWD 6,893 TWD 9,442
        27% OFF
        27% OFF
        TWD 9,442 TWD 6,893
      • RKS 14:08
        7h 45m
        1 stop
        GTF 21:53
        Rock Springs - Great Falls | Fri, Jan 16 | United Airlines
        TWD 6,893 TWD 9,442
        27% OFF
        27% OFF
        TWD 9,442 TWD 6,893
      • RKS 13:00
        17h 25m
        1 stop
        GTF Invalid Date
        Rock Springs - Great Falls | Sun, Dec 14 | Normal Airline
        Find More Flights
        Find More Flights

Displayed flight fares from Rock Springs to Great Falls are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight details for Rock Springs to Great Falls

The distance between Rock Springs and Great Falls is 681.4km. Based on Trip.com's data, travel demand peaks in July. The off-season for travel is July.

Cheapest one-way flight priceTWD 6,893
Cheapest return ticket priceTWD 10,715
Off-season travel monthJuly
Peak season for travelJuly
Flight distance681.4km

Find the best time to fly from Rock Springs to Great Falls

The cheapest time for Rock Springs to Great Falls flights: Jan 11 to Jan 18 — one way flight prices from TWD 6,892.

Cheapest flights
From price
Search
  • 714
  • 1421
  • 2128

  • Jan

    284
  • 411
  • 1118
  • 1825

  • Feb

    251
  • 18
  • 815
  • 1522

  • Mar

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

Flight FAQs

  • Which airlines offer the cheapest flights from Rock Springs (RKS) to Great Falls (GTF)?

    Based on Trip.com data, United Airlines offers one-way fares as low as TWD 6,893 on Cheapest nonstop routes (e.g. RKS to GTF on Tue, Jan 13), while United Airlines offers Cheapest nonstop round-trips from TWD 10,715 departing on Thu, Jan 8 and returning on Mon, Jan 12.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Rock Springs to Great Falls 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 Rock Springs to Great Falls, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Jan 13, with one-way flights priced at just TWD 6,893.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is United Airlines.
    · 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 Great Falls travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Rock Springs to Great Falls is July, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Rock Springs to Great Falls on December 24, 2025 with United Airlines, with prices starting at TWD 19,888.
  • The time difference between Great Falls and Rock Springs is 0h.
  • Tickets can only be changed or cancelled 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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