$50+ Cheap flights from Las Vegas to Idaho Falls (LAS - IDA)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/31. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — IDA
Jun 9 — Jun 161
Round-trip
1 adult, Economy
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Find cheap flights from Las Vegas to Idaho Falls with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Las Vegas to Idaho Falls
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Best
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One-way
Cheapest flights from Las Vegas to Idaho FallsExplore the most affordable flight options available from Las Vegas to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 10, 2026.
Explore the most affordable flight options available from Las Vegas to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 10, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/51:22 pm
LAS
- IDA
Nonstop1h 46m
Allegiant Air
Mon 6/2210:56 pm
IDA
- LAS
Nonstop1h 43m
Allegiant Air
Deal found 5/9![Allegiant Air logo]()
$93
This Cheapflightsfares deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/51:22 pm
LAS
- IDA
Nonstop1h 46m
Allegiant Air
Mon 6/810:56 pm
IDA
- LAS
Nonstop1h 43m
Allegiant Air
Deal found 5/7![Allegiant Air logo]()
$97
This Kiwi.com deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/171:12 pm
LAS
- IDA
Nonstop1h 48m
Allegiant Air
Mon 7/2710:47 pm
IDA
- LAS
Nonstop1h 43m
Allegiant Air
Deal found 5/6![Allegiant Air logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/171:12 pm
LAS
- IDA
Nonstop1h 48m
Allegiant Air
Fri 7/2410:47 pm
IDA
- LAS
Nonstop1h 43m
Allegiant Air
Deal found 5/9![Allegiant Air logo]()
$132
This Cheapflightsfares deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:25 am
LAS
- IDA
Nonstop1h 45m
Allegiant Air
Fri 6/510:56 pm
IDA
- LAS
Nonstop1h 43m
Allegiant Air
Deal found 5/5![Allegiant Air logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/261:22 pm
LAS
- IDA
Nonstop1h 46m
Multiple Airlines
Mon 6/293:58 pm
IDA
- LAS
1 stop24h 12m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$170
This Cheapflightsfares deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/291:22 pm
LAS
- IDA
Nonstop1h 46m
Allegiant Air
Mon 7/610:47 pm
IDA
- LAS
Nonstop1h 43m
Allegiant Air
Deal found 5/6![Allegiant Air logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/51:22 pm
LAS
- IDA
Nonstop1h 46m
Multiple Airlines
Mon 6/84:58 pm
IDA
- LAS
1 stop5h 25m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2411:21 am
LAS
- IDA
1 stop9h 36m
Multiple Airlines
Mon 7/2710:47 pm
IDA
- LAS
Nonstop1h 43m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/233:38 pm
LAS
- IDA
1 stop22h 22m
Multiple Airlines
Mon 7/2710:47 pm
IDA
- LAS
Nonstop1h 43m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/241:12 pm
LAS
- IDA
Nonstop1h 48m
Multiple Airlines
Tue 7/284:14 pm
IDA
- LAS
1 stop4h 58m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$222
Best flights from Las Vegas to Idaho FallsDiscover carefully curated flight deals from Las Vegas to Idaho Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 10, 2026.
Discover carefully curated flight deals from Las Vegas to Idaho Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 10, 2026.
This Alaska Airlines deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/58:56 pm
LAS
- IDA
1 stop17h 30m
Alaska Airlines
Mon 6/221:43 pm
IDA
- LAS
1 stop8h 17m
Alaska Airlines
Deal found 5/9![Alaska Airlines logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/49:59 am
LAS
- IDA
1 stop28h 09m
Multiple Airlines
Sun 6/79:45 am
IDA
- LAS
1 stop14h 53m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$381
This Alaska Airlines deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/58:56 pm
LAS
- IDA
1 stop17h 30m
Alaska Airlines
Mon 6/84:03 pm
IDA
- LAS
1 stop5h 02m
Alaska Airlines
Deal found 5/9![Alaska Airlines logo]()
$352
This Alaska Airlines deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/237:00 am
LAS
- IDA
1 stop5h 06m
Alaska Airlines
Tue 7/284:14 pm
IDA
- LAS
1 stop4h 58m
Alaska Airlines
Deal found 5/6![Alaska Airlines logo]()
$356
This Alaska Airlines deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/156:02 am
LAS
- IDA
1 stop8h 35m
Alaska Airlines
Mon 7/204:14 pm
IDA
- LAS
1 stop4h 58m
Alaska Airlines
Deal found 5/8![Alaska Airlines logo]()
$374
This Alaska Airlines deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/243:12 pm
LAS
- IDA
1 stop6h 27m
Alaska Airlines
Tue 7/284:14 pm
IDA
- LAS
1 stop4h 58m
Alaska Airlines
Deal found 5/6![Alaska Airlines logo]()
$404
Last-minute flights from Las Vegas to Idaho FallsDiscover last-minute flight deals from Las Vegas to Idaho Falls. Data last updated May 10, 2026 and is based on user searches.
Discover last-minute flight deals from Las Vegas to Idaho Falls. Data last updated May 10, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/298:05 am
LAS
- IDA
Nonstop1h 45m
Multiple Airlines
Thu 6/44:03 pm
IDA
- LAS
1 stop5h 02m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$247
This Cheapflightsfares deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:25 am
LAS
- IDA
Nonstop1h 45m
Allegiant Air
Fri 6/510:56 pm
IDA
- LAS
Nonstop1h 43m
Allegiant Air
Deal found 5/5![Allegiant Air logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:25 am
LAS
- IDA
Nonstop1h 45m
Multiple Airlines
Thu 6/49:45 am
IDA
- LAS
1 stop14h 53m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$243
This Cheapflightsfares deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/51:22 pm
LAS
- IDA
Nonstop1h 46m
Allegiant Air
Mon 6/2210:56 pm
IDA
- LAS
Nonstop1h 43m
Allegiant Air
Deal found 5/9![Allegiant Air logo]()
$93
This Cheapflightsfares deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/51:22 pm
LAS
- IDA
Nonstop1h 46m
Allegiant Air
Mon 6/810:56 pm
IDA
- LAS
Nonstop1h 43m
Allegiant Air
Deal found 5/7![Allegiant Air logo]()
$97
This Kiwi.com deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/51:22 pm
LAS
- IDA
Nonstop1h 46m
Multiple Airlines
Mon 6/84:58 pm
IDA
- LAS
1 stop5h 25m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/51:22 pm
LAS
- IDA
Nonstop1h 46m
Multiple Airlines
Mon 6/226:39 pm
IDA
- LAS
1 stop5h 25m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/207:00 am
LAS
- IDA
1 stop5h 06m
Multiple Airlines
Mon 6/2210:56 pm
IDA
- LAS
Nonstop1h 43m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/261:22 pm
LAS
- IDA
Nonstop1h 46m
Multiple Airlines
Mon 6/293:58 pm
IDA
- LAS
1 stop24h 12m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$170
This Cheapflightsfares deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/291:22 pm
LAS
- IDA
Nonstop1h 46m
Allegiant Air
Mon 7/610:47 pm
IDA
- LAS
Nonstop1h 43m
Allegiant Air
Deal found 5/6![Allegiant Air logo]()
$184
One-way flights from Las Vegas to Idaho FallsSearch for one-way flight options from Las Vegas to Idaho Falls. Find affordable one-way fares based on user searches. Data last updated May 10, 2026.
Search for one-way flight options from Las Vegas to Idaho Falls. Find affordable one-way fares based on user searches. Data last updated May 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/311:12 pm
LAS
- IDA
Nonstop1h 48m
Allegiant Air
Deal found 5/9![Allegiant Air logo]()
$50
This Kiwi.com deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/51:22 pm
LAS
- IDA
Nonstop1h 46m
Allegiant Air
Deal found 5/8![Allegiant Air logo]()
$53
This Kiwi.com deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/171:12 pm
LAS
- IDA
Nonstop1h 48m
Allegiant Air
Deal found 5/9![Allegiant Air logo]()
$55
This Kiwi.com deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/101:12 pm
LAS
- IDA
Nonstop1h 48m
Allegiant Air
Deal found 5/6![Allegiant Air logo]()
$58
This Kiwi.com deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/31:12 pm
LAS
- IDA
Nonstop1h 48m
Allegiant Air
Deal found 5/6![Allegiant Air logo]()
$62
This Kiwi.com deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/151:22 pm
LAS
- IDA
Nonstop1h 46m
Allegiant Air
Deal found 5/5![Allegiant Air logo]()
$67
This Cheapflightsfares deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/298:05 am
LAS
- IDA
Nonstop1h 45m
Allegiant Air
Deal found 5/8![Allegiant Air logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1812:42 pm
LAS
- IDA
Nonstop1h 45m
Allegiant Air
Deal found 5/10![Allegiant Air logo]()
$72
This Super.com deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:25 am
LAS
- IDA
Nonstop1h 45m
Allegiant Air
Deal found 5/6![Allegiant Air logo]()
$75
Find flight deals from Las Vegas to Idaho Falls
Discover tips and strategies to find the most affordable flight options for your journey from Las Vegas (LAS) to Idaho Falls (IDA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $93 (Cheapflightsfares) |
One-way from | $50 (Kiwi.com) |
Popular in | December |
Cheapest in | November |
Average price | $211 |
Good round-trip deal | $139 or less |
Good one-way deal | $53 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Las Vegas to Idaho Falls that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 10, 2026.
Use the filters below to find and compare flights from Las Vegas to Idaho Falls that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Las VegasIdaho Falls
LAS - IDA
LASIDA
Las Vegas Harry Reid Intl
Fri 6/5
8:56 pm-3:26 pm
1 stop17h 30m
Idaho Falls Fanning Field
Mon 6/22
1:43 pm-9:00 pm
1 stop8h 17m
$319
Las VegasIdaho Falls
LAS - IDA
LASIDA
Las Vegas Harry Reid Intl
Fri 6/5
8:56 pm-3:26 pm
1 stop17h 30m
Idaho Falls Fanning Field
Mon 6/8
4:03 pm-8:05 pm
1 stop5h 02m
$352
Quickest round-trip
Las VegasIdaho Falls
LAS - IDA
LASIDA
Las Vegas Harry Reid Intl
Thu 7/23
7:00 am-1:06 pm
1 stop5h 06m
Idaho Falls Fanning Field
Tue 7/28
4:14 pm-8:12 pm
1 stop4h 58m
$356
Las VegasIdaho Falls
LAS - IDA
LASIDA
Las Vegas Harry Reid Intl
Wed 7/15
6:02 am-3:37 pm
1 stop8h 35m
Idaho Falls Fanning Field
Mon 7/20
4:14 pm-8:12 pm
1 stop4h 58m
$374
Las VegasIdaho Falls
LAS - IDA
LASIDA
Las Vegas Harry Reid Intl
Thu 6/4
9:59 am-3:08 pm
1 stop28h 09m
Idaho Falls Fanning Field
Sun 6/7
9:45 am-11:38 pm
1 stop14h 53m
$381
Las VegasIdaho Falls
LAS - IDA
LASIDA
Las Vegas Harry Reid Intl
Fri 7/24
3:12 pm-10:39 pm
1 stop6h 27m
Idaho Falls Fanning Field
Tue 7/28
4:14 pm-8:12 pm
1 stop4h 58m
$404
Cheapest one-way
Las VegasIdaho Falls
LAS - IDA
LASIDA
Las Vegas Harry Reid Intl
Mon 8/3
11:21 am-9:57 pm
1 stop9h 36m
$151
Las VegasIdaho Falls
LAS - IDA
LASIDA
Las Vegas Harry Reid Intl
Sat 6/13
6:02 am-3:37 pm
1 stop8h 35m
$161
Las VegasIdaho Falls
LAS - IDA
LASIDA
Las Vegas Harry Reid Intl
Fri 7/17
6:27 pm-1:06 pm
1 stop17h 39m
$165
Las VegasIdaho Falls
LAS - IDA
LASIDA
Las Vegas Harry Reid Intl
Thu 6/4
8:56 pm-3:26 pm
1 stop17h 30m
$165
Showing 1-10 of 15 resultsSorted by cheapest first
Compare providers for flights from Las Vegas to Idaho Falls
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Las Vegas to Idaho Falls in May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Las Vegas-Idaho Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Las Vegas-Idaho Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Las Vegas-Idaho Falls flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Las Vegas-Idaho Falls flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Las Vegas-Idaho Falls flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Las Vegas to Idaho Falls
Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from Las Vegas with our price prediction graph.
LAS-IDA
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Las Vegas to Idaho Falls
What is the cheapest month to book a flight from Las Vegas to Idaho Falls?
Currently, November is the cheapest month in which you can book a flight from Las Vegas to Idaho Falls (average of $104). Flying from Las Vegas to Idaho Falls in December is currently the most expensive (average of $289). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from LAS to IDA?
Find hourly flight availability from Las Vegas to Idaho Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 10, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Las Vegas to Idaho Falls as you normally would.
Reviews of airlines servicing Idaho Falls
Get insights into the airlines that provide service to Idaho Falls. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho Falls. Reviews last updated May 10, 2026.
Read through reviews of airlines operating flights from Las Vegas to Idaho Falls, such as Delta and Allegiant Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.9
Crew
8.5
Overall
7.9
Boarding
8.1
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.9
Crew
8.5
Overall
7.9
Boarding
8.1
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.9
Crew
8.5
Overall
7.9
Boarding
8.1
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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Top 2 airlines flying from Las Vegas to Idaho Falls
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$59 | Average$113 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$149 | Average$264 | FlexibilityNo cancel fee | On-timeN/A |