$69+ Cheap flights from Las Vegas to Idaho Falls (LAS - IDA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — IDA
Nov 28 — Dec 51
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 October 29, 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 October 29, 2026.
This Kissandfly.com deal was found by Cheapflights users on 10/28. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1310:41 am -
Nonstop1h 49m
Mon 11/167:47 pm -
Nonstop1h 45m
Deal found 10/28![Allegiant Air logo]()
$85
This Cheapflightsfares deal was found by Cheapflights users on 10/27. 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.
Thu 12/1012:24 pm -
Nonstop1h 51m
Mon 12/147:58 pm -
Nonstop1h 46m
Deal found 10/27![Allegiant Air logo]()
$89
This CheapOair deal was found by Cheapflights users on 10/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/910:04 am -
Nonstop1h 49m
Mon 11/167:47 pm -
Nonstop1h 45m
Deal found 10/26![Allegiant Air logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 12/1012:24 pm -
Nonstop1h 51m
Mon 12/141:41 pm -
1 stop20h 04m
Deal found 10/27![Multiple Airlines logo]()
$187
This CheapOair deal was found by Cheapflights users on 10/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/410:00 am -
Nonstop1h 51m
Mon 12/77:58 pm -
Nonstop1h 46m
Deal found 10/28![Allegiant Air logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 12/410:00 am -
Nonstop1h 51m
Mon 12/71:41 pm -
1 stop20h 04m
Deal found 10/28![Multiple Airlines logo]()
$201
This Orbitz deal was found by Cheapflights users on 10/28. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/97:15 am -
1 stop5h 02m
Mon 12/147:58 pm -
Nonstop1h 46m
Deal found 10/28![Multiple Airlines logo]()
$206
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/1310:41 am -
Nonstop1h 49m
Mon 11/1612:43 pm -
1 stop20h 55m
Deal found 10/28![Multiple Airlines logo]()
$219
This Gotogate deal was found by Cheapflights users on 10/26. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/207:20 am -
1 stop4h 55m
Mon 12/217:49 pm -
Nonstop1h 44m
Deal found 10/26![Multiple Airlines logo]()
$223
This CheapOair deal was found by Cheapflights users on 10/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/910:04 am -
Nonstop1h 49m
Fri 11/138:24 pm -
Nonstop1h 45m
Deal found 10/25![Allegiant Air logo]()
$226
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 October 29, 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 October 29, 2026.
This Kissandfly.com deal was found by Cheapflights users on 10/28. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1310:41 am -
Nonstop1h 49m
Mon 11/167:47 pm -
Nonstop1h 45m
Deal found 10/28![Allegiant Air logo]()
$85
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 12/410:00 am -
Nonstop1h 51m
Mon 12/71:41 pm -
1 stop20h 04m
Deal found 10/28![Multiple Airlines logo]()
$201
This Delta deal was found by Cheapflights users on 10/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/175:04 pm -
1 stop4h 03m
Sun 12/276:53 pm -
1 stop5h 44m
Deal found 10/25![Delta logo]()
$301
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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 11/196:00 am -
1 stop8h 18m
Mon 11/233:46 pm -
1 stop5h 12m
Deal found 10/27![Alaska Airlines logo]()
$331
This CheapOair deal was found by Cheapflights users on 10/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/910:04 am -
Nonstop1h 49m
Fri 11/138:24 pm -
Nonstop1h 45m
Deal found 10/25![Allegiant Air logo]()
$226
This Delta deal was found by Cheapflights users on 10/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/21:20 pm -
1 stop3h 54m
Fri 3/51:10 pm -
1 stop5h 53m
Deal found 10/26![Delta logo]()
$301
This Orbitz deal was found by Cheapflights users on 10/26. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:25 pm -
1 stop17h 51m
Fri 11/138:24 pm -
Nonstop1h 45m
Deal found 10/26![Multiple Airlines logo]()
$315
This Delta deal was found by Cheapflights users on 10/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/107:00 am -
2 stops10h 17m
Mon 12/145:35 am -
1 stop4h 06m
Deal found 10/27![Delta logo]()
$318
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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 11/137:02 am -
1 stop5h 14m
Mon 11/161:53 pm -
1 stop6h 35m
Deal found 10/28![Alaska Airlines logo]()
$375
This Delta deal was found by Cheapflights users on 10/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:00 pm -
1 stop3h 59m
Fri 11/136:57 pm -
1 stop5h 55m
Deal found 10/25![Delta logo]()
$377
Last-minute flights from Las Vegas to Idaho FallsDiscover last-minute flight deals from Las Vegas to Idaho Falls. Data last updated October 29, 2026 and is based on user searches.
Discover last-minute flight deals from Las Vegas to Idaho Falls. Data last updated October 29, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 10/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/910:04 am -
Nonstop1h 49m
Mon 11/167:47 pm -
Nonstop1h 45m
Deal found 10/26![Allegiant Air logo]()
$176
This CheapOair deal was found by Cheapflights users on 10/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/910:04 am -
Nonstop1h 49m
Fri 11/138:24 pm -
Nonstop1h 45m
Deal found 10/25![Allegiant Air logo]()
$226
This Mytrip deal was found by Cheapflights users on 10/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:46 pm -
1 stop16h 30m
Mon 11/167:47 pm -
Nonstop1h 45m
Deal found 10/26![Multiple Airlines logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/125:54 pm -
2 stops13h 08m
Mon 11/167:47 pm -
Nonstop1h 45m
Deal found 10/28![Multiple Airlines logo]()
$239
This Kissandfly.com deal was found by Cheapflights users on 10/28. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1310:41 am -
Nonstop1h 49m
Mon 11/167:47 pm -
Nonstop1h 45m
Deal found 10/28![Allegiant Air logo]()
$85
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/1310:41 am -
Nonstop1h 49m
Mon 11/1612:43 pm -
1 stop20h 55m
Deal found 10/28![Multiple Airlines logo]()
$219
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 October 29, 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 October 29, 2026.
This CheapOair deal was found by Cheapflights users on 10/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/259:00 am -
Nonstop1h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Allegiant Air logo]()
$69
This CheapOair deal was found by Cheapflights users on 10/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/259:00 am -
Nonstop1h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Allegiant Air logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 11/3011:56 am -
Nonstop1h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Allegiant Air logo]()
$139
This Delta deal was found by Cheapflights users on 10/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/175:04 pm -
1 stop4h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Delta logo]()
$151
This Expedia deal was found by Cheapflights users on 10/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/257:08 pm -
1 stop19h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Alaska Airlines logo]()
$156
This Delta deal was found by Cheapflights users on 10/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/261:25 pm -
1 stop4h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Delta logo]()
$157
This United Airlines deal was found by Cheapflights users on 10/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/155:15 am -
1 stop7h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![United Airlines logo]()
$161
This Delta deal was found by Cheapflights users on 10/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/171:53 pm -
2 stops7h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Delta logo]()
$162
This Priceline deal was found by Cheapflights users on 10/24. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:00 am -
1 stop8h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Alaska Airlines logo]()
$181
This American Airlines deal was found by Cheapflights users on 10/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/157:11 am -
2 stops14h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![American Airlines logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 12/175:19 pm -
2 stops19h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$190
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 October 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $85 (Kissandfly.com) |
One-way from | $69 (CheapOair) |
Popular in | May |
Cheapest in | November |
Average price | $214 |
Good round-trip deal | $151 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 7,457,451 searches. Data last updated October 29, 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
Quickest round-trip
Las VegasIdaho Falls
LAS Las Vegas Harry Reid Intl - IDA Idaho Falls Fanning Field
LASIDA
Las Vegas Harry Reid Intl
Fri 11/13
10:41 am-1:30 pm
Nonstop1h 49m
Idaho Falls Fanning Field
Mon 11/16
7:47 pm-8:32 pm
Nonstop1h 45m
$85
Las VegasIdaho Falls
LAS Las Vegas Harry Reid Intl - IDA Idaho Falls Fanning Field
LASIDA
Las Vegas Harry Reid Intl
Mon 1/25
2:55 pm-9:10 pm
1 stop5h 15m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$151
Las VegasIdaho Falls
LAS Las Vegas Harry Reid Intl - IDA Idaho Falls Fanning Field
LASIDA
Las Vegas Harry Reid Intl
Thu 12/17
5:04 pm-10:07 pm
1 stop4h 03m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$151
Las VegasIdaho Falls
LAS Las Vegas Harry Reid Intl - IDA Idaho Falls Fanning Field
LASIDA
Las Vegas Harry Reid Intl
Thu 12/17
7:00 am-3:18 pm
1 stop7h 18m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$151
Las VegasIdaho Falls
LAS Las Vegas Harry Reid Intl - IDA Idaho Falls Fanning Field
LASIDA
Las Vegas Harry Reid Intl
Wed 11/25
7:08 pm-3:09 pm
1 stop19h 01m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$156
Las VegasIdaho Falls
LAS Las Vegas Harry Reid Intl - IDA Idaho Falls Fanning Field
LASIDA
Las Vegas Harry Reid Intl
Thu 11/26
1:25 pm-6:34 pm
1 stop4h 09m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$157
Las VegasIdaho Falls
LAS Las Vegas Harry Reid Intl - IDA Idaho Falls Fanning Field
LASIDA
Las Vegas Harry Reid Intl
Tue 12/15
5:15 am-1:37 pm
1 stop7h 22m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$161
Las VegasIdaho Falls
LAS Las Vegas Harry Reid Intl - IDA Idaho Falls Fanning Field
LASIDA
Las Vegas Harry Reid Intl
Tue 12/15
7:11 am-11:02 pm
2 stops14h 51m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$185
Las VegasIdaho Falls
LAS Las Vegas Harry Reid Intl - IDA Idaho Falls Fanning Field
LASIDA
Las Vegas Harry Reid Intl
Thu 11/5
5:54 pm-7:34 pm
1 stop24h 40m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$196
Las VegasIdaho Falls
LAS Las Vegas Harry Reid Intl - IDA Idaho Falls Fanning Field
LASIDA
Las Vegas Harry Reid Intl
Mon 11/30
10:17 pm-1:01 pm
1 stop13h 44m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$198
Showing 1-10 of 21 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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- 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 $96). Flying from Las Vegas to Idaho Falls in May is currently the most expensive (average of $237). 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 October 29, 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 October 29, 2026.
Read through reviews of airlines operating flights from Las Vegas to Idaho Falls, such as Allegiant Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.1
Overall
7.3
Boarding
7.7
Entertainment
5.5
Food
5.9
Comfort
6.9
Reviews
1 / 20
2.0
MediocreNic,Aug 2026
SRQ - ALB
Crew
8.1
Overall
7.3
Boarding
7.7
Entertainment
5.5
Food
5.9
Comfort
6.9
Reviews
1 / 20
2.0
MediocreNic,Aug 2026
SRQ - ALB
Related info for your journey
Find useful and relevant information for your journey from Las Vegas to Idaho Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
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Alternative routes for Las Vegas to Idaho Falls
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Complete your trip
Complete your trip to Idaho Falls by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Las Vegas to Idaho Falls by cabin class
Find flights from Las Vegas to Idaho Falls, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Idaho Falls
Explore flights to Idaho Falls departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 29, 2026.
Las Vegas and Idaho Falls flights
Browse other Las Vegas and Idaho Falls flight options. Last updated on October 29, 2026.
Other flights from Las Vegas
Browse through other flights departing from Las Vegas. Flights are based on user searches made on Cheapflights and were last updated on October 29, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Las Vegas to Idaho Falls
Discover the top airline that operate flights from Las Vegas to Idaho Falls. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$89 | Average$117 | FlexibilityNo cancel fee | On-time88% |