Trip.com
>
Flights
>
Flights to United States
>
Flights to Wyoming
>
Flights to Gillette
Hotels in Gillette
>
Flights from Boise to Gillette

Search cheap flights from Boise to Gillette in the next 3 months. Based on Trip.com's latest 7-day data, one-way fares start at US$267, and round-trip tickets start at US$555.

      • BOI 14:40
        7h 46m
        1 stop
        GCC 22:26
        Boise - Gillette | Tue, Dec 23 | United Airlines
        GCC 05:26
        4h 35m
        1 stop
        BOI 10:01
        Gillette - Boise | Sat, Dec 27 | United Airlines
        US$555 US$617
        10% OFF
        10% OFF
        US$617 US$555
      • BOI 13:00
        17h 25m
        1 stop
        GCC Invalid Date
        Boise - Gillette | Sat, Dec 13 | Normal Airline
        GCC 15:00
        6h
        Nonstop
        BOI 16:00
        Gillette - Boise | Mon, Dec 15 | Normal Airline
        Find More Flights
        Find More Flights
      • BOI 06:10
        6h 32m
        1 stop
        GCC 12:42
        Boise - Gillette | Sat, Jan 17 | United Airlines
        US$267 US$387
        31% OFF
        31% OFF
        US$387 US$267
      • BOI 06:10
        6h 32m
        1 stop
        GCC 12:42
        Boise - Gillette | Thu, Jan 22 | United Airlines
        US$267 US$387
        31% OFF
        31% OFF
        US$387 US$267
      • BOI 17:25
        5h 3m
        1 stop
        GCC 22:28
        Boise - Gillette | Sat, Dec 13 | United Airlines
        US$267 US$387
        31% OFF
        31% OFF
        US$387 US$267
      • BOI 14:37
        5h 59m
        1 stop
        GCC 20:36
        Boise - Gillette | Fri, Jan 9 | United Airlines
        US$267
        31% OFF
        US$387 US$267
      • BOI 06:15
        7h 22m
        1 stop
        GCC 13:37
        Boise - Gillette | Wed, Dec 24 | United Airlines
        US$301
        22% OFF
        US$387 US$301
      • BOI 05:00
        13h 11m
        1 stop
        GCC 18:11
        Boise - Gillette | Wed, Dec 31 | United Airlines
        US$349
        10% OFF
        US$387 US$349
      • BOI 13:00
        17h 25m
        1 stop
        GCC Invalid Date
        Boise - Gillette | Sat, Dec 13 | Normal Airline
        Find More Flights
        Find More Flights

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

Boise to Gillette Flight Details

The distance between Boise and Gillette is about 858.79 km. Based on Trip.com's latest data, travel demand is highest in November. The off-season for travel is December.

Cheapest one-way flight priceUS$267
Cheapest return ticket priceUS$555
Cheapest monthDecember
Peak season for travelNovember
Flight distance858.79 km

When is the cheapest time to book flights from Boise to Gillette?

The cheapest time to fly from Boise to Gillette: Jan 11 to Jan 18 — one-way prices start at US$266.

Cheapest flights
From price
Search
  • 714
  • 1421
  • 2128

  • Jan

    284
  • 411
  • 1118
  • 1825

  • Feb

    251
  • 18
  • 815
  • 1522

  • Mar

    221
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • What are the cheapest flights from Boise to Gillette (BOI-GCC)?

    Based on Trip.com data, United Airlines offers one-way fares as low as US$267 on Cheapest nonstop routes (e.g. BOI to GCC on Sat, Jan 17), while United Airlines offers Cheapest nonstop round-trips from US$555 departing on Tue, Dec 23 and returning on Sat, Dec 27.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Boise to Gillette 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 Boise to Gillette, 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 Sat, Jan 17, with one-way flights priced at just US$267.
    · 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 Gillette travel is around November.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Boise to Gillette is December, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Boise to Gillette on December 23, 2025 with United Airlines, with prices starting at US$554.
  • The time difference between Gillette and Boise is 0h.
  • 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.

Explore More Popular Flights