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Low Price Flights from Grand Rapids to Casper

Explore the cheapest flights from Grand Rapids to Casper in the next three months. Based on Trip.com's data from the latest 7 days, one-way fares start at TWD 9,488, and round-trip tickets start at TWD 9,936.

      • GRR 09:10
        7h 32m
        1 stop
        CPR 14:42
        Grand Rapids - Casper | Sat, Jan 24 | United Airlines
        CPR 07:00
        5h 23m
        1 stop
        GRR 14:23
        Casper - Grand Rapids | Sat, Jan 31 | United Airlines
        TWD 9,936 TWD 21,223
        53% OFF
        53% OFF
        TWD 21,223 TWD 9,936
      • GRR 15:35
        8h 50m
        1 stop
        CPR 22:25
        Grand Rapids - Casper | Sun, Dec 21 | United Airlines
        CPR 11:26
        8h 56m
        1 stop
        GRR 22:22
        Casper - Grand Rapids | Tue, Dec 23 | United Airlines
        TWD 18,972 TWD 21,223
        11% OFF
        11% OFF
        TWD 21,223 TWD 18,972
      • GRR 08:00
        8h 40m
        1 stop
        CPR 14:40
        Grand Rapids - Casper | Mon, Dec 22 | United Airlines
        CPR 11:26
        8h 56m
        1 stop
        GRR 22:22
        Casper - Grand Rapids | Wed, Dec 24 | United Airlines
        TWD 19,100 TWD 21,223
        10% OFF
        10% OFF
        TWD 21,223 TWD 19,100
      • GRR 13:00
        17h 25m
        1 stop
        CPR Invalid Date
        Grand Rapids - Casper | Sat, Dec 13 | Normal Airline
        CPR 15:00
        6h
        Direct
        GRR 16:00
        Casper - Grand Rapids | Mon, Dec 15 | Normal Airline
        Find More Flights
        Find More Flights
      • GRR 15:25
        7h 15m
        1 stop
        CPR 20:40
        Grand Rapids - Casper | Thu, Jan 22 | United Airlines
        TWD 9,488 TWD 19,530
        51% OFF
        51% OFF
        TWD 19,530 TWD 9,488
      • GRR 08:00
        6h 46m
        1 stop
        CPR 12:46
        Grand Rapids - Casper | Sun, Dec 21 | United Airlines
        TWD 9,511 TWD 19,530
        51% OFF
        51% OFF
        TWD 19,530 TWD 9,511
      • GRR 08:00
        6h 46m
        1 stop
        CPR 12:46
        Grand Rapids - Casper | Thu, Dec 18 | United Airlines
        TWD 9,515 TWD 19,530
        51% OFF
        51% OFF
        TWD 19,530 TWD 9,515
      • GRR 20:16
        16h 35m
        1 stop
        CPR 10:51
        Grand Rapids - Casper | Mon, Dec 22 | Frontier Airlines
        TWD 9,590
        51% OFF
        TWD 19,530 TWD 9,590
      • GRR 15:35
        8h 50m
        1 stop
        CPR 22:25
        Grand Rapids - Casper | Mon, Dec 22 | United Airlines
        TWD 9,679
        50% OFF
        TWD 19,530 TWD 9,679
      • GRR 15:25
        7h 8m
        1 stop
        CPR 20:33
        Grand Rapids - Casper | Fri, Dec 12 | United Airlines
        TWD 14,968
        23% OFF
        TWD 19,530 TWD 14,968
      • GRR 08:00
        8h 40m
        1 stop
        CPR 14:40
        Grand Rapids - Casper | Fri, Dec 26 | United Airlines
        TWD 17,519
        10% OFF
        TWD 19,530 TWD 17,519
      • GRR 16:18
        6h 23m
        1 stop
        CPR 20:41
        Grand Rapids - Casper | Fri, Dec 26 | Frontier Airlines
        TWD 17,577
        10% OFF
        TWD 19,530 TWD 17,577
      • GRR 13:00
        17h 25m
        1 stop
        CPR Invalid Date
        Grand Rapids - Casper | Sat, Dec 13 | Normal Airline
        Find More Flights
        Find More Flights

Displayed flight fares from Grand Rapids to Casper are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Grand Rapids to Casper Flight Details

The distance between Grand Rapids and Casper is approximately 1,701.53km. Based on Trip.com's data travel demand peaks in August. The off-season for travel is October.

Cheapest one-way flight priceTWD 9,488
Cheapest return ticket priceTWD 9,936
Off-season for travelOctober
Peak season for travelAugust
Flight distance1,701.53km

Best Time to Book Flights from Grand Rapids to Casper

The cheapest flights from Grand Rapids to Casper are available between Jan 18 and Jan 25, with one way flights starting from TWD 9,488.

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 Grand Rapids to Casper, calculated over the upcoming 10 weeks.

Flight FAQs

  • Which airlines offer the cheapest flights from Grand Rapids (GRR) to Casper (CPR)?

    Based on Trip.com data, United Airlines offers one-way fares as low as TWD 9,488 on Cheapest nonstop routes (e.g. GRR to CPR on Thu, Jan 22), while United Airlines offers Cheapest nonstop round-trips from TWD 9,936 departing on Sat, Jan 24 and returning on Sat, Jan 31.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Grand Rapids to Casper 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 Grand Rapids to Casper, 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 Thu, Jan 22, with one-way flights priced at just TWD 9,488.
    · 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 Casper travel is around August.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Grand Rapids to Casper is October, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Grand Rapids to Casper on December 21, 2025 with United Airlines, with prices starting at TWD 18,971.
  • The time difference between Casper and Grand Rapids is 2h.
  • 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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