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Flights from Grand Rapids to Castries

Find flight deals from Grand Rapids to Castries for the next 3 months. Book one way flights from US$378 or round trip flights from US$605.

      • GRR 1:33 PM
        24h 42m
        1 stop
        UVF 3:15 PM
        Grand Rapids - Castries | Mon, Jan 12 | United Airlines
        UVF 5:08 PM
        30h 17m
        1 stop
        GRR 10:25 PM
        Castries - Grand Rapids | Fri, Jan 16 | Jetblue Airways
        US$605 US$6,399
        91% OFF
        91% OFF
        US$6,399 US$605
      • GRR 6:00 AM
        9h 25m
        1 stop
        UVF 4:25 PM
        Grand Rapids - Castries | Sat, Dec 13 | United Airlines
        UVF 1:52 PM
        31h 13m
        1 stop
        GRR 8:05 PM
        Castries - Grand Rapids | Sat, Dec 20 | United Airlines
        US$973 US$6,399
        85% OFF
        85% OFF
        US$6,399 US$973
      • GRR 4:46 PM
        21h 44m
        1 stop
        UVF 3:30 PM
        Grand Rapids - Castries | Mon, Dec 22 | Delta Air Lines
        UVF 4:50 PM
        19h 35m
        1 stop
        GRR 11:25 AM
        Castries - Grand Rapids | Mon, Dec 29 | Delta Air Lines
        US$1,638 US$6,399
        74% OFF
        74% OFF
        US$6,399 US$1,638
      • GRR 6:00 AM
        9h 25m
        1 stop
        UVF 4:25 PM
        Grand Rapids - Castries | Sat, Jan 31 | United Airlines
        UVF 1:52 PM
        10h 49m
        1 stop
        GRR 11:41 PM
        Castries - Grand Rapids | Sat, Feb 7 | United Airlines
        US$1,764
        72% OFF
        US$6,399 US$1,764
      • GRR 7:20 AM
        8h 5m
        1 stop
        UVF 4:25 PM
        Grand Rapids - Castries | Sat, Dec 20 | United Airlines
        UVF 1:52 PM
        24h
        1 stop
        GRR 12:52 PM
        Castries - Grand Rapids | Sat, Dec 27 | United Airlines
        US$1,989
        69% OFF
        US$6,399 US$1,989
      • GRR 7:32 PM
        18h 58m
        1 stop
        UVF 3:30 PM
        Grand Rapids - Castries | Sun, Dec 28 | Delta Air Lines
        UVF 3:00 PM
        9h 38m
        1 stop
        GRR 11:38 PM
        Castries - Grand Rapids | Sat, Jan 3 | Delta Air Lines
        US$2,833
        56% OFF
        US$6,399 US$2,833
      • GRR 6:00 AM
        9h 25m
        1 stop
        UVF 4:25 PM
        Grand Rapids - Castries | Sat, Jan 17 | United Airlines
        UVF 1:52 PM
        9h 8m
        1 stop
        GRR 10:00 PM
        Castries - Grand Rapids | Sat, Jan 24 | United Airlines
        US$3,580
        44% OFF
        US$6,399 US$3,580
      • GRR 6:00 AM
        9h 25m
        1 stop
        UVF 4:25 PM
        Grand Rapids - Castries | Sat, Dec 27 | United Airlines
        UVF 1:52 PM
        10h 38m
        1 stop
        GRR 11:30 PM
        Castries - Grand Rapids | Sat, Jan 3 | United Airlines
        US$5,695
        11% OFF
        US$6,399 US$5,695
      • GRR 1:00 PM
        17h 25m
        1 stop
        SLU Invalid Date
        Grand Rapids - Castries | Fri, Dec 12 | Normal Airline
        SLU 3:00 PM
        6h
        Nonstop
        GRR 4:00 PM
        Castries - Grand Rapids | Sun, Dec 14 | Normal Airline
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Displayed flight fares from Grand Rapids to Castries are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flying from Grand Rapids to Castries

The distance between Grand Rapids and Castries is approximately 3,974.54 km. Based on Trip.com's data travel demand peaks in August. The off-season for travel is November.

Cheapest one-way flight priceUS$378
Cheapest round-trip ticket priceUS$605
Off-season for travelNovember
Peak season for travelAugust
Flight distance3,974.54 km

When is the cheapest time to fly from Grand Rapids to Castries?

The cheapest time for Grand Rapids to Castries flights: Jan 4 to Jan 11 — one way flight prices from US$256.

Cheapest flights
From price
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  • 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 Castries, calculated over the upcoming 10 weeks.

Frequently Asked Questions

  • What are the cheapest flights from Grand Rapids to Castries (GRR-SLU)?

    Based on Trip.com data, United Airlines offers one-way fares as low as US$378 on Cheapest nonstop routes (e.g. GRR to UVF on Tue, Jan 6), while United Airlines offers Cheapest nonstop round-trips from US$605 departing on Mon, Jan 12 and returning on Fri, Jan 16.
  • 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 Castries 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 Castries, 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 6, with one-way flights priced at just US$378.
    · 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 Castries travel is around August.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Grand Rapids to Castries is November, 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 Castries on December 13, 2025 with United Airlines, with prices starting at US$972.
  • The time difference between Castries and Grand Rapids 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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