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Frontier Airlines(F9) flights from Las Vegas to Idaho Falls

Flight INFO & Frontier Airlines(F9) flights from Las Vegas to Idaho Falls

Cheapest one-way flight price US$64
Cheapest return ticket price US$99
Cheapest month August
Peak season for travel January
Flight distance 867.42 km
Average flight time 1 hour 47 minutes
Popular airline Allegiant Air
Frequency ～2/week

Book Frontier Airlines(F9) flights from Las Vegas to Idaho Falls

  • One way
  • Round-trip
      • LAS18:27
        19h 53m
        2 stops
        IDA15:20
        Las Vegas - Idaho Falls|Mon, Oct 26|Frontier Airlines
        US$166
        US$183
        9% off
        Search
        9% off
        US$183
        US$166
      • LAS13:00
        19h 53m
        Nonstop
        IDA14:00
        Las Vegas - Idaho Falls|Mon, Sep 6|Normal Airline
        More cheap flights
        More cheap flights

Frontier Airlines(F9) flights from Las Vegas to Idaho Falls & Flight Schedule

Flight info.
Departure
Arrival
Weekly Schedule

  1. F91469

    Frontier Airlines

    06:31

    LAS

    1.4h

    Nonstop

    07:55

    SAN

    S - - W T - S
    Search

  2. AS608

    Alaska Airlines

    06:15

    SAN

    3.2h

    Nonstop

    09:27

    SEA

    S M T W T F S
    Search

  3. AS3026

    Alaska Airlines

    12:30

    SEA

    1.8h

    Nonstop

    15:20

    IDA

    S M T W T F S
    Search

Frontier Airlines(F9) flights from Las Vegas to Idaho Falls Flight Booking FAQ

  • Which airlines offer direct flights from Las Vegas to Idaho Falls?

    At the moment, you can catch a nonstop flight from Las Vegas to Idaho Falls with the following airlines, including: Allegiant Air Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

  • How long is a flight from Las Vegas to Idaho Falls?

    It takes about 1 hour 47 minutes to fly from Las Vegas to Idaho Falls.

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

    By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Las Vegas to Idaho 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.

  • How many flights are there per week from Las Vegas to Idaho Falls?

    Based on Trip.com data in the past 4 weeks, there is 3 flight per week flying from Las Vegas to Idaho Falls. You can check the weekly schedule for popular airlines on this route below: Allegiant Air: -/-/-/-/-/-/- -- G49200 (08:31) Allegiant Air: S/-/-/-/T/-/- -- G4049 (13:00)

  • When are flight tickets from Las Vegas (LAS) to Idaho Falls (IDA) the cheapest?

    The cheapest months to fly from Las Vegas to Idaho Falls is August, when demand for travel is lower.

  • Which upcoming date is cheapest to fly from Las Vegas to Idaho Falls on?

    After crunching the numbers on our October flight calendar, it's currently cheapest to fly from Las Vegas to Idaho Falls on October 16, 2026 with Allegiant Air, with prices starting at US$99.

  • Which airports fly into Idaho Falls from Las Vegas?

    You can land at any one of the following hubs in Idaho Falls: Idaho Falls Regional Airport (IDA). Flying from Harry Reid International Airport to Idaho Falls Regional Airport (LAS-IDA) is by far the most common option on this route.

  • Is there any time difference between Las Vegas and Idaho Falls?

    The time difference between Idaho Falls and Las Vegas is 1h.

  • How do I change or cancel my ticket from Las Vegas to Idaho Falls?

    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.