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Harry Reid International Airport to Idaho Falls Regional Airport flight

Explore the cheapest one-way and round-trip flights from Harry Reid International Airport to Idaho Falls Regional Airport over the next 90 days, with one-way fares from AU$74 and round-trip from AU$142. Based on Trip.com's latest 7-day flight data.

    • Cheapest
      LAS 10:46
      1h 48m
      Nonstop
      IDA 13:34
      Las Vegas - Idaho Falls | Tue, Nov 17 | Allegiant Air
      AU$74 AU$383
      81% off
      81% off
      AU$383 AU$74
    • LAS 10:41
      1h 49m
      Nonstop
      IDA 13:30
      Las Vegas - Idaho Falls | Tue, Nov 24 | Allegiant Air
      AU$86 AU$383
      78% off
      78% off
      AU$383 AU$86
    • LAS 10:41
      1h 49m
      Nonstop
      IDA 13:30
      Las Vegas - Idaho Falls | Fri, Nov 6 | Allegiant Air
      AU$86 AU$109
      21% off
      21% off
      AU$109 AU$86
    • LAS 10:46
      1h 48m
      Nonstop
      IDA 13:34
      Las Vegas - Idaho Falls | Tue, Nov 10 | Allegiant Air
      AU$91
      76% off
      AU$383 AU$91
    • LAS 13:12
      1h 48m
      Nonstop
      IDA 16:00
      Las Vegas - Idaho Falls | Tue, Nov 3 | Allegiant Air
      AU$132
      66% off
      AU$383 AU$132
    • LAS 09:48
      1h 48m
      Nonstop
      IDA 12:36
      Las Vegas - Idaho Falls | Fri, Nov 13 | Allegiant Air
      AU$163
      56% off
      AU$383 AU$163
    • LAS 06:02
      8h 18m
      1 stop
      IDA 15:20
      Las Vegas - Idaho Falls | Tue, Nov 10 | Alaska Airlines
      AU$241
      37% off
      AU$383 AU$241
    • LAS 12:31
      5h 12m
      1 stop
      IDA 18:43
      Las Vegas - Idaho Falls | Mon, Dec 14 | American Airlines
      AU$254
      34% off
      AU$383 AU$254
    • LAS 07:20
      6h 58m
      1 stop
      IDA 15:18
      Las Vegas - Idaho Falls | Tue, Nov 24 | Alaska Airlines
      AU$264
      31% off
      AU$383 AU$264
    • LAS 13:00
      17h 25m
      1 stop
      IDA 14:00
      Las Vegas - Idaho Falls | Wed, Nov 4 | Normal Airline
      More cheap flights
      More cheap flights
    • Cheapest nonstop
      LAS 10:41
      1h 49m
      Nonstop
      IDA 13:30
      Las Vegas - Idaho Falls | Fri, Nov 13 | Allegiant Air
      IDA 19:47
      1h 45m
      Nonstop
      LAS 20:32
      Idaho Falls - Las Vegas | Mon, Nov 16 | Allegiant Air
      AU$142 AU$561
      75% off
      75% off
      AU$561 AU$142
    • LAS 10:41
      1h 49m
      Nonstop
      IDA 13:30
      Las Vegas - Idaho Falls | Fri, Nov 6 | Allegiant Air
      IDA 19:47
      1h 45m
      Nonstop
      LAS 20:32
      Idaho Falls - Las Vegas | Mon, Nov 9 | Allegiant Air
      AU$164 AU$561
      71% off
      71% off
      AU$561 AU$164
    • LAS 09:00
      1h 46m
      Nonstop
      IDA 11:46
      Las Vegas - Idaho Falls | Wed, Nov 25 | Allegiant Air
      IDA 19:06
      1h 42m
      Nonstop
      LAS 19:48
      Idaho Falls - Las Vegas | Fri, Nov 27 | Allegiant Air
      AU$215 AU$561
      62% off
      62% off
      AU$561 AU$215
    • LAS 10:04
      1h 49m
      Nonstop
      IDA 12:53
      Las Vegas - Idaho Falls | Mon, Nov 9 | Allegiant Air
      IDA 19:47
      1h 45m
      Nonstop
      LAS 20:32
      Idaho Falls - Las Vegas | Mon, Nov 16 | Allegiant Air
      AU$277
      51% off
      AU$561 AU$277
    • LAS 15:30
      1h 46m
      Nonstop
      IDA 18:16
      Las Vegas - Idaho Falls | Fri, Nov 27 | Allegiant Air
      IDA 15:32
      1h 42m
      Nonstop
      LAS 16:14
      Idaho Falls - Las Vegas | Mon, Nov 30 | Allegiant Air
      AU$306
      45% off
      AU$561 AU$306
    • LAS 10:00
      1h 51m
      Nonstop
      IDA 12:51
      Las Vegas - Idaho Falls | Fri, Dec 11 | Allegiant Air
      IDA 22:32
      1h 44m
      Nonstop
      LAS 23:16
      Idaho Falls - Las Vegas | Fri, Dec 18 | Allegiant Air
      AU$415
      26% off
      AU$561 AU$415
    • LAS 07:00
      5h 28m
      1 stop
      IDA 13:28
      Las Vegas - Idaho Falls | Thu, Nov 12 | United Airlines
      IDA 19:47
      1h 45m
      Nonstop
      LAS 20:32
      Idaho Falls - Las Vegas | Mon, Nov 16 | Allegiant Air
      AU$395
      30% off
      AU$561 AU$395
    • LAS 07:20
      6h 58m
      1 stop
      IDA 15:18
      Las Vegas - Idaho Falls | Fri, Nov 13 | Alaska Airlines
      IDA 22:25
      1h 42m
      Nonstop
      LAS 23:07
      Idaho Falls - Las Vegas | Fri, Nov 20 | Allegiant Air
      AU$403
      28% off
      AU$561 AU$403
    • LAS 05:15
      7h 22m
      1 stop
      IDA 13:37
      Las Vegas - Idaho Falls | Wed, Dec 16 | United Airlines
      IDA 22:22
      1h 44m
      Nonstop
      LAS 23:06
      Idaho Falls - Las Vegas | Wed, Dec 23 | Allegiant Air
      AU$433
      23% off
      AU$561 AU$433
    • LAS 13:00
      17h 25m
      1 stop
      IDA 14:00
      Las Vegas - Idaho Falls | Wed, Nov 4 | Normal Airline
      IDA 15:00
      6h
      Nonstop
      LAS 16:00
      Idaho Falls - Las Vegas | Fri, Nov 6 | Normal Airline
      More cheap flights
      More cheap flights
    • Cheapest nonstop
      LAS 10:46
      1h 48m
      Nonstop
      IDA 13:34
      Las Vegas - Idaho Falls | Tue, Nov 17 | Allegiant Air
      AU$74 AU$383
      81% off
      81% off
      AU$383 AU$74
    • LAS 10:41
      1h 49m
      Nonstop
      IDA 13:30
      Las Vegas - Idaho Falls | Tue, Nov 24 | Allegiant Air
      AU$86 AU$383
      78% off
      78% off
      AU$383 AU$86
    • LAS 10:41
      1h 49m
      Nonstop
      IDA 13:30
      Las Vegas - Idaho Falls | Fri, Nov 6 | Allegiant Air
      AU$86 AU$109
      21% off
      21% off
      AU$109 AU$86
    • LAS 10:46
      1h 48m
      Nonstop
      IDA 13:34
      Las Vegas - Idaho Falls | Tue, Nov 10 | Allegiant Air
      AU$91
      76% off
      AU$383 AU$91
    • LAS 13:12
      1h 48m
      Nonstop
      IDA 16:00
      Las Vegas - Idaho Falls | Tue, Nov 3 | Allegiant Air
      AU$132
      66% off
      AU$383 AU$132
    • LAS 09:48
      1h 48m
      Nonstop
      IDA 12:36
      Las Vegas - Idaho Falls | Fri, Nov 13 | Allegiant Air
      AU$163
      56% off
      AU$383 AU$163
    • LAS 13:00
      17h 25m
      1 stop
      IDA 14:00
      Las Vegas - Idaho Falls | Wed, Nov 4 | Normal Airline
      More cheap flights
      More cheap flights
    • Cheapest nonstop
      LAS 10:41
      1h 49m
      Nonstop
      IDA 13:30
      Las Vegas - Idaho Falls | Fri, Nov 6 | Allegiant Air
      AU$86 AU$541
      84% off
      84% off
      AU$541 AU$86
    • LAS 09:00
      1h 46m
      Nonstop
      IDA 11:46
      Las Vegas - Idaho Falls | Wed, Nov 25 | Allegiant Air
      AU$146 AU$541
      73% off
      73% off
      AU$541 AU$146
    • LAS 17:00
      3h 59m
      1 stop
      IDA 21:59
      Las Vegas - Idaho Falls | Wed, Nov 25 | Delta Air Lines
      AU$427 AU$541
      21% off
      21% off
      AU$541 AU$427
    • LAS 13:00
      17h 25m
      1 stop
      IDA 14:00
      Las Vegas - Idaho Falls | Wed, Nov 4 | Normal Airline
      More cheap flights
      More cheap flights
    • Cheapest nonstop
      LAS 10:41
      1h 49m
      Nonstop
      IDA 13:30
      Las Vegas - Idaho Falls | Fri, Nov 6 | Allegiant Air
      AU$86 AU$109
      21% off
      21% off
      AU$109 AU$86
    • LAS 13:00
      17h 25m
      1 stop
      IDA 14:00
      Las Vegas - Idaho Falls | Wed, Nov 4 | Normal Airline
      More cheap flights
      More cheap flights
    • LAS 10:46
      1h 48m
      Nonstop
      IDA 13:34
      Las Vegas - Idaho Falls | Tue, Nov 17 | Allegiant Air
      AU$74 AU$383
      81% off
      81% off
      AU$383 AU$74
    • LAS 10:46
      1h 48m
      Nonstop
      IDA 13:34
      Las Vegas - Idaho Falls | Tue, Nov 10 | Allegiant Air
      AU$91 AU$383
      76% off
      76% off
      AU$383 AU$91
    • LAS 13:12
      1h 48m
      Nonstop
      IDA 16:00
      Las Vegas - Idaho Falls | Tue, Nov 3 | Allegiant Air
      AU$132 AU$383
      66% off
      66% off
      AU$383 AU$132
    • LAS 09:48
      1h 48m
      Nonstop
      IDA 12:36
      Las Vegas - Idaho Falls | Fri, Nov 13 | Allegiant Air
      AU$163
      56% off
      AU$383 AU$163
    • LAS 10:41
      1h 49m
      Nonstop
      IDA 13:30
      Las Vegas - Idaho Falls | Tue, Nov 24 | Allegiant Air
      AU$86
      78% off
      AU$383 AU$86
    • LAS 10:41
      1h 49m
      Nonstop
      IDA 13:30
      Las Vegas - Idaho Falls | Fri, Nov 6 | Allegiant Air
      AU$86
      21% off
      AU$109 AU$86
    • LAS 13:25
      4h 9m
      1 stop
      IDA 18:34
      Las Vegas - Idaho Falls | Thu, Nov 26 | Delta Air Lines
      AU$332
      61% off
      AU$851 AU$332
    • LAS 17:00
      4h 22m
      1 stop
      IDA 22:22
      Las Vegas - Idaho Falls | Fri, Nov 27 | Delta Air Lines
      AU$672
      21% off
      AU$851 AU$672
    • LAS 12:31
      5h 12m
      1 stop
      IDA 18:43
      Las Vegas - Idaho Falls | Mon, Dec 14 | American Airlines
      AU$254
      34% off
      AU$383 AU$254
    • LAS 13:00
      17h 25m
      1 stop
      IDA 14:00
      Las Vegas - Idaho Falls | Wed, Nov 4 | Normal Airline
      More cheap flights
      More cheap flights

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

Which airline offers the cheapest flights from Harry Reid International Airport to Idaho Falls Regional Airport?

The cheapest airline flying from Harry Reid International Airport to Idaho Falls Regional Airport is Allegiant Air (from AU$86) among 6 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Allegiant Air
From AU$86
Delta Air Lines
From AU$210
Frontier Airlines
From AU$223
American Airlines
From AU$254
Alaska Airlines
From AU$264
United Airlines
From AU$380

Find more flights and airlines

What is the flight schedule from Harry Reid International Airport to Idaho Falls Regional Airport?

Check on the flight schedule from Las Vegas to Idaho Falls to find the flight that matches your travel plan.

Flight info.
Departure
Arrival
Weekly Schedule

  1. G4070

    Harry Reid International Airport

    07:35

    LAS

    1h 47m

    10:22

    IDA

    S - - - T - -
    Search

  2. DL1672

    Harry Reid International Airport

    17:30

    LAS

    1h 29m

    Nonstop

    19:59

    SLC

    S M T W T F S
    Search

  3. DL2608

    Salt Lake City International Airport

    21:15

    SLC

    1h 4m

    Nonstop

    22:19

    IDA

    S M T W T F S

  4. DL1659

    Harry Reid International Airport

    13:20

    LAS

    1h 29m

    Nonstop

    15:49

    SLC

    S M T W T F S
    Search

  5. DL2608

    Salt Lake City International Airport

    21:15

    SLC

    1h 4m

    Nonstop

    22:19

    IDA

    S M T W T F S

  6. UA720

    Harry Reid International Airport

    15:10

    LAS

    2h

    Nonstop

    18:10

    DEN

    S M T W T F S
    Search

  7. UA5989

    Denver International Airport

    19:20

    DEN

    1h 48m

    Nonstop

    21:08

    IDA

    S M T W T F S

  8. AA2940

    Harry Reid International Airport

    12:19

    LAS

    1h 18m

    Nonstop

    14:37

    PHX

    S M T W T F S
    Search

  9. AA6484

    Phoenix Sky Harbor International Airport

    21:33

    PHX

    2h 16m

    Nonstop

    23:49

    IDA

    S M T W T F S

  10. DL2674

    Harry Reid International Airport

    06:10

    LAS

    1h 28m

    Nonstop

    08:38

    SLC

    S M T W T F S
    Search

  11. DL3765

    Salt Lake City International Airport

    11:20

    SLC

    1h 7m

    Nonstop

    12:27

    IDA

    S M T W T F S

  12. AS711

    Harry Reid International Airport

    07:02

    LAS

    2h 24m

    Nonstop

    09:26

    PDX

    S M T W T F S
    Search

  13. AS3452

    Portland International Airport

    10:30

    PDX

    1h 47m

    Nonstop

    13:17

    IDA

    S M T W T F S

  14. UA1424

    Harry Reid International Airport

    09:00

    LAS

    1h 55m

    Nonstop

    11:55

    DEN

    S M T W T F S
    Search

  15. UA2383

    Denver International Airport

    11:46

    DEN

    1h 42m

    Nonstop

    13:28

    IDA

    S M T W T F S

  16. UA1424

    Harry Reid International Airport

    09:00

    LAS

    1h 55m

    Nonstop

    11:55

    DEN

    S M T W T F S
    Search

  17. UA5330

    Denver International Airport

    13:50

    DEN

    1h 48m

    Nonstop

    15:38

    IDA

    S M T W T F S

  18. AA1541

    Harry Reid International Airport

    15:41

    LAS

    1h 18m

    Nonstop

    17:59

    PHX

    S M T W T F S
    Search

  19. AA6484

    Phoenix Sky Harbor International Airport

    21:33

    PHX

    2h 16m

    Nonstop

    23:49

    IDA

    S M T W T F S
Find more flights and airlines

About Harry Reid International Airport and Idaho Falls Regional Airport

Learn about Harry Reid International Airport (LAS) and Idaho Falls Regional Airport (IDA) — including location, terminals, transportation, and travel tips.

Flight distance 868.28 km
Cheapest one-way ticket price AU$74
Cheapest return ticket price AU$142

FAQs for Harry Reid International Airport to Idaho Falls Regional Airport Flights

  • How many daily flights are there from Harry Reid International Airport (LAS) to Idaho Falls Regional Airport (IDA)?

    There are around 1 daily flights from Harry Reid International Airport (LAS) to Idaho Falls Regional Airport (IDA).
  • The earliest flight from Harry Reid International Airport to Idaho Falls Regional Airport departs at 09:48, and the last departs at 10:46, with about 1 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from Harry Reid International Airport (LAS) to Idaho Falls Regional Airport (IDA) is quite popular. Without considering departure times or holidays, tickets cost around AU$179 in January, the most expensive month to book this route.
  • The earliest flight departs from Harry Reid International Airport at 09:00 and arrives in Idaho Falls Regional Airport at 11:48.
    • The distance from Idaho Falls Regional Airport to downtown is about 3 km, by taxi about 20 minutes.
  • Allegiant Air is a very popular airline operating an average of 93 flights per month.
  • One-way flights from Harry Reid International Airport to Idaho Falls Regional Airport currently start from AU$74, and round-trip fares start from AU$142. The current lowest fare is a Allegiant Air flight departing on Tue, Nov 17; prices may vary depending on availability.
  • Yes. Allegiant Air operate direct flights from Harry Reid International Airport to Idaho Falls Regional Airport, with an average flight time of 1 hour 33 minutes, and around 2 weekly flights. Actual flight frequency may vary by season.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Harry Reid International Airport to Idaho Falls Regional Airport is AU$339. Prices may vary depending on the departure date, airline, and availability.
  • Allegiant Air are the most popular budget airlines flying from Harry Reid International Airport to Idaho Falls Regional Airport, with one-way fares starting from AU$74. Compare final prices carefully, as baggage, seat selection and payment fees may apply.
  • Harry Reid International Airport to Idaho Falls Regional Airport operates around 2 weekly flights, mainly by Allegiant Air. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Harry Reid International Airport and Idaho Falls Regional Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

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Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.