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Flights from Los Angeles to Idaho Falls

Cheapest airlines flights from Los Angeles to Idaho Falls

You can choose from 1 airlines that fly from Los Angeles to Idaho Falls, including Delta Air Lines, Alaska Airlines has lowest fares on this route.
Delta Air Lines logo Delta Air Lines
Airlines are determined based on actual purchased flight tickets from Los Angeles to Idaho Falls according to previous 12 months data from Trip.com.

Search cheap flights from Los Angeles to Idaho Falls in the next 3 months. Based on Trip.com's latest 7-day data, one-way fares start at US$124, and round-trip tickets start at US$228.

      • LAX 17:09
        4h 11m
        1 stop
        IDA 22:20
        Los Angeles - Idaho Falls | Thu, Apr 2 | Delta Air Lines
        IDA 05:43
        4h 13m
        1 stop
        LAX 08:56
        Idaho Falls - Los Angeles | Thu, Apr 9 | Delta Air Lines
        US$228 US$375
        39% off
        39% off
        US$375 US$228
      • LAX 14:03
        8h 33m
        1 stop
        IDA 23:36
        Los Angeles - Idaho Falls | Fri, Mar 20 | Alaska Airlines
        IDA 17:20
        7h 39m
        1 stop
        LAX 23:59
        Idaho Falls - Los Angeles | Mon, Mar 23 | Alaska Airlines
        US$232 US$375
        38% off
        38% off
        US$375 US$232
      • LAX 05:40
        5h 42m
        1 stop
        IDA 12:22
        Los Angeles - Idaho Falls | Mon, Feb 23 | Delta Air Lines
        IDA 18:35
        6h 21m
        1 stop
        LAX 23:56
        Idaho Falls - Los Angeles | Thu, Feb 26 | Delta Air Lines
        US$234 US$375
        38% off
        38% off
        US$375 US$234
      • LAX 08:46
        6h 57m
        1 stop
        IDA 16:43
        Los Angeles - Idaho Falls | Sat, Mar 7 | Hawaiian Airlines
        IDA 17:20
        6h 43m
        1 stop
        LAX 23:03
        Idaho Falls - Los Angeles | Fri, Mar 13 | Alaska Airlines
        US$239
        36% off
        US$375 US$239
      • LAX 08:46
        6h 57m
        1 stop
        IDA 16:43
        Los Angeles - Idaho Falls | Sat, Mar 7 | Alaska Airlines
        IDA 17:20
        6h 43m
        1 stop
        LAX 23:03
        Idaho Falls - Los Angeles | Fri, Mar 13 | Alaska Airlines
        US$241
        36% off
        US$375 US$241
      • LAX 11:35
        5h 14m
        1 stop
        IDA 17:49
        Los Angeles - Idaho Falls | Sat, Feb 28 | Delta Air Lines
        IDA 18:35
        6h 21m
        1 stop
        LAX 23:56
        Idaho Falls - Los Angeles | Sat, Mar 7 | Delta Air Lines
        US$247
        34% off
        US$375 US$247
      • LAX 07:20
        4h 14m
        1 stop
        IDA 12:34
        Los Angeles - Idaho Falls | Thu, Feb 19 | Delta Air Lines
        IDA 18:35
        6h 21m
        1 stop
        LAX 23:56
        Idaho Falls - Los Angeles | Thu, Feb 26 | Delta Air Lines
        US$256
        32% off
        US$375 US$256
      • LAX 05:45
        5h 42m
        1 stop
        IDA 12:27
        Los Angeles - Idaho Falls | Tue, Mar 31 | Delta Air Lines
        IDA 13:10
        3h 54m
        1 stop
        LAX 16:04
        Idaho Falls - Los Angeles | Wed, Apr 8 | Delta Air Lines
        US$265
        28% off
        US$375 US$265
      • LAX 05:45
        5h 42m
        1 stop
        IDA 12:27
        Los Angeles - Idaho Falls | Sat, Mar 21 | Delta Air Lines
        IDA 18:55
        6h
        1 stop
        LAX 23:55
        Idaho Falls - Los Angeles | Sun, Mar 22 | Delta Air Lines
        US$266
        28% off
        US$375 US$266
      • LAX 07:45
        7h 58m
        1 stop
        IDA 16:43
        Los Angeles - Idaho Falls | Fri, Mar 13 | Alaska Airlines
        IDA 17:20
        7h 12m
        1 stop
        ONT 23:32
        Idaho Falls - Los Angeles | Tue, Mar 17 | Alaska Airlines
        US$270
        28% off
        US$375 US$270
      • LAX 13:00
        17h 25m
        1 stop
        IDA Invalid Date
        Los Angeles - Idaho Falls | Sat, Feb 21 | Normal Airline
        IDA 15:00
        6h
        Nonstop
        LAX 16:00
        Idaho Falls - Los Angeles | Mon, Feb 23 | Normal Airline
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      • LAX 16:00
        6h 36m
        1 stop
        IDA 23:36
        Los Angeles - Idaho Falls | Thu, Mar 5 | Alaska Airlines
        US$124 US$230
        46% off
        46% off
        US$230 US$124
      • LAX 05:40
        5h 42m
        1 stop
        IDA 12:22
        Los Angeles - Idaho Falls | Thu, Mar 5 | Delta Air Lines
        US$132 US$230
        43% off
        43% off
        US$230 US$132
      • LAX 07:45
        7h 58m
        1 stop
        IDA 16:43
        Los Angeles - Idaho Falls | Fri, Mar 6 | Hawaiian Airlines
        US$142 US$230
        38% off
        38% off
        US$230 US$142
      • LAX 07:45
        7h 58m
        1 stop
        IDA 16:43
        Los Angeles - Idaho Falls | Fri, Mar 6 | Alaska Airlines
        US$142
        38% off
        US$230 US$142
      • LAX 14:03
        8h 33m
        1 stop
        IDA 23:36
        Los Angeles - Idaho Falls | Thu, Mar 5 | Hawaiian Airlines
        US$153
        33% off
        US$230 US$153
      • LAX 08:00
        8h 19m
        1 stop
        IDA 17:19
        Los Angeles - Idaho Falls | Fri, Mar 20 | Hawaiian Airlines
        US$161
        30% off
        US$230 US$161
      • LAX 16:33
        6h 6m
        1 stop
        IDA 23:39
        Los Angeles - Idaho Falls | Mon, Apr 13 | American Airlines
        US$161
        30% off
        US$230 US$161
      • LAX 14:03
        7h 32m
        1 stop
        IDA 22:35
        Los Angeles - Idaho Falls | Fri, Mar 20 | Alaska Airlines
        US$161
        30% off
        US$230 US$161
      • LAX 09:12
        5h 19m
        1 stop
        IDA 15:31
        Los Angeles - Idaho Falls | Mon, Feb 23 | Spirit Airlines
        US$162
        30% off
        US$230 US$162
      • LAX 14:03
        7h 49m
        1 stop
        IDA 22:52
        Los Angeles - Idaho Falls | Mon, Apr 13 | Alaska Airlines
        US$165
        28% off
        US$230 US$165
      • LAX 13:00
        17h 25m
        1 stop
        IDA Invalid Date
        Los Angeles - Idaho Falls | Sat, Feb 21 | Normal Airline
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        Find more flights

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

Los Angeles to Idaho Falls Flight Details

The distance between Los Angeles and Idaho Falls is about 1,197.62 km. Based on Trip.com's latest data, travel demand is highest in July. The off-season for travel is October.

Cheapest one-way flight priceUS$124
Cheapest return ticket priceUS$228
Cheapest monthOctober
Peak season for travelJuly
Flight distance1,197.62 km
Popular airlineDelta Air Lines
Flight statistics for the Los Angeles–Idaho Falls route are based on aggregated booking data from Trip.com over the past 12 months.

Frequently Asked Questions

  • What are the cheapest flights from Los Angeles to Idaho Falls (LAX-IDA)?

    Based on Trip.com data, Alaska Airlines offers one-way fares as low as US$124 on Cheapest nonstop routes (e.g. LAX to IDA on Thu, Mar 5), while Delta Air Lines offers Cheapest nonstop round-trips from US$228 departing on Thu, Apr 2 and returning on Thu, Apr 9.
  • At the moment, several airlines serve connecting flights from Los Angeles to Idaho Falls, including: Delta Air Lines Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Los Angeles 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.
  • To find best deals on flights from Los Angeles to Idaho Falls, 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, Mar 5, with one-way flights priced at just US$124.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Alaska 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 Idaho Falls travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Los Angeles to Idaho Falls is October, when demand for travel is lower.
  • After crunching the numbers on our February flight calendar, it's currently cheapest to fly from Los Angeles to Idaho Falls on February 26, 2026 with Frontier Airlines, with prices starting at US$98.
  • You can land at any one of the following hubs in Idaho Falls, with Ontario International Airport to Idaho Falls Regional Airport (ONT-IDA) is by far the most common option on this route: Idaho Falls Regional Airport (IDA).
  • The time difference between Idaho Falls and Los Angeles 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.

Trip.com Airline Insights on Flights from Los Angeles to Idaho Falls

Which airline offers the cheapest direct flights from Los Angeles to Idaho Falls?

Data is based on the average price of all nonstop flights from Los Angeles to Idaho Falls on Trip.com over the past 12 months.

Based on Trip.com’s data from the past 12 months, Hawaiian Airlines provides the lowest-priced direct flights from Los Angeles to Idaho Falls, with fares starting at US$168.

US$104
US$168
US$232
US$296
US$360
Hawaiian Airlines
US$168
Hawaiian Airlines
Alaska Airlines
US$215
Alaska Airlines
American Airlines
US$339
American Airlines
Delta Air Lines
US$360
Delta Air Lines

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