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

Flying from Idaho Falls to Gillette

The distance between Idaho Falls and Gillette is approximately 530.85 km. Based on Trip.com's data travel demand peaks in August. The off-season for travel is October.

Off-season for travelOctober
Peak season for travelAugust
Flight distance530.85 km

Frequently Asked Questions

  • When is the best time to book flights from Idaho Falls to Gillette?

    By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Idaho Falls 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 Idaho Falls to Gillette, 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 Gillette travel is around August.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Idaho Falls to Gillette is October, when demand for travel is lower.
  • After crunching the numbers on our November flight calendar, it's currently cheapest to fly from Idaho Falls to Gillette on November 30, 2025 with United Airlines, with prices starting at HK$7,599.
  • The time difference between Gillette and Idaho Falls 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.