$55+ 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 7/17. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — IDA
Jul 10 — Jul 171
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
Cheapest
Best
Last-minute
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 June 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 June 10, 2026.
This Booking.com deal was found by Cheapflights users on 6/7. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/131:12 pm
LAS
- IDA
Nonstop1h 48m
Allegiant Air
Mon 7/2710:47 pm
IDA
- LAS
Nonstop1h 43m
Allegiant Air
Deal found 6/7![Allegiant Air logo]()
$90
This Booking.com deal was found by Cheapflights users on 6/6. 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 Booking.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
Mon 7/1310:47 pm
IDA
- LAS
Nonstop1h 43m
Allegiant Air
Deal found 6/6![Allegiant Air logo]()
$106
This Cheapflightsfares deal was found by Cheapflights users on 6/9. 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 6/261:22 pm
LAS
- IDA
Nonstop1h 46m
Allegiant Air
Mon 6/2910:56 pm
IDA
- LAS
Nonstop1h 43m
Allegiant Air
Deal found 6/9![Allegiant Air logo]()
$109
This Mytrip deal was found by Cheapflights users on 6/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/61:12 pm
LAS
- IDA
Nonstop1h 48m
Allegiant Air
Mon 7/1310:47 pm
IDA
- LAS
Nonstop1h 43m
Allegiant Air
Deal found 6/8![Allegiant Air logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 9/46:05 am
LAS
- IDA
Nonstop1h 49m
Allegiant Air
Mon 9/78:36 pm
IDA
- LAS
Nonstop1h 45m
Allegiant Air
Deal found 6/8![Allegiant Air logo]()
$138
This Cheapflightsfares deal was found by Cheapflights users on 6/8. 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 6/191:22 pm
LAS
- IDA
Nonstop1h 46m
Allegiant Air
Mon 6/2210:56 pm
IDA
- LAS
Nonstop1h 43m
Allegiant Air
Deal found 6/8![Allegiant Air logo]()
$139
This Gotogate deal was found by Cheapflights users on 6/8. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/271:12 pm
LAS
- IDA
Nonstop1h 48m
Allegiant Air
Fri 7/3110:47 pm
IDA
- LAS
Nonstop1h 43m
Allegiant Air
Deal found 6/8![Allegiant Air logo]()
$161
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 June 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 June 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 7/133:00 pm
LAS
- IDA
1 stop5h 57m
Multiple Airlines
Mon 7/2710:47 pm
IDA
- LAS
Nonstop1h 43m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$211
This Alaska Airlines deal was found by Cheapflights users on 6/4. 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 7/177:00 am
LAS
- IDA
1 stop5h 06m
Alaska Airlines
Mon 7/204:14 pm
IDA
- LAS
1 stop4h 58m
Alaska Airlines
Deal found 6/4![Alaska Airlines logo]()
$355
This Delta deal was found by Cheapflights users on 6/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/119:50 am
LAS
- IDA
2 stops11h 42m
Delta
Wed 8/127:00 pm
IDA
- LAS
1 stop4h 36m
Delta
Deal found 6/9![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 6/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/210:00 am
LAS
- IDA
1 stop3h 37m
Delta
Tue 7/76:00 am
IDA
- LAS
1 stop3h 50m
Delta
Deal found 6/7![Delta logo]()
$396
This Alaska Airlines deal was found by Cheapflights users on 6/9. 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.
Tue 8/117:59 am
LAS
- IDA
2 stops13h 40m
Alaska Airlines
Sun 8/164:14 pm
IDA
- LAS
1 stop4h 58m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$441
This Delta deal was found by Cheapflights users on 6/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/126:00 am
LAS
- IDA
1 stop3h 43m
Delta
Sat 6/137:01 pm
IDA
- LAS
1 stop4h 35m
Delta
Deal found 6/8![Delta logo]()
$429
This Alaska Airlines deal was found by Cheapflights users on 6/9. 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 6/267:00 am
LAS
- IDA
1 stop5h 06m
Alaska Airlines
Mon 6/294:14 pm
IDA
- LAS
2 stops22h 44m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$466
Last-minute flights from Las Vegas to Idaho FallsDiscover last-minute flight deals from Las Vegas to Idaho Falls. Data last updated June 10, 2026 and is based on user searches.
Discover last-minute flight deals from Las Vegas to Idaho Falls. Data last updated June 10, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 6/8. 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 6/191:22 pm
LAS
- IDA
Nonstop1h 46m
Allegiant Air
Mon 6/2210:56 pm
IDA
- LAS
Nonstop1h 43m
Allegiant Air
Deal found 6/8![Allegiant Air logo]()
$139
This Cheapflightsfares deal was found by Cheapflights users on 6/9. 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 6/261:22 pm
LAS
- IDA
Nonstop1h 46m
Allegiant Air
Mon 6/2910:56 pm
IDA
- LAS
Nonstop1h 43m
Allegiant Air
Deal found 6/9![Allegiant Air logo]()
$109
This Booking.com deal was found by Cheapflights users on 6/7. 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 Booking.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
Mon 7/610:47 pm
IDA
- LAS
Nonstop1h 43m
Allegiant Air
Deal found 6/7![Allegiant Air logo]()
$168
This Mytrip deal was found by Cheapflights users on 6/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/61:12 pm
LAS
- IDA
Nonstop1h 48m
Allegiant Air
Mon 7/1310:47 pm
IDA
- LAS
Nonstop1h 43m
Allegiant Air
Deal found 6/8![Allegiant Air logo]()
$128
This Booking.com deal was found by Cheapflights users on 6/6. 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 Booking.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
Mon 7/1310:47 pm
IDA
- LAS
Nonstop1h 43m
Allegiant Air
Deal found 6/6![Allegiant Air logo]()
$106
This Booking.com deal was found by Cheapflights users on 6/7. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/131:12 pm
LAS
- IDA
Nonstop1h 48m
Allegiant Air
Mon 7/2710:47 pm
IDA
- LAS
Nonstop1h 43m
Allegiant Air
Deal found 6/7![Allegiant Air logo]()
$90
This Gotogate deal was found by Cheapflights users on 6/8. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/271:12 pm
LAS
- IDA
Nonstop1h 48m
Allegiant Air
Fri 7/3110:47 pm
IDA
- LAS
Nonstop1h 43m
Allegiant Air
Deal found 6/8![Allegiant Air logo]()
$161
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 June 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 June 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 7/171:12 pm
LAS
- IDA
Nonstop1h 48m
Allegiant Air
Deal found 6/8![Allegiant Air logo]()
$55
This Kiwi.com deal was found by Cheapflights users on 6/6. 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.
Mon 8/3111:00 am
LAS
- IDA
Nonstop1h 47m
Allegiant Air
Deal found 6/6![Allegiant Air logo]()
$58
This Super.com deal was found by Cheapflights users on 6/6. 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.
Fri 6/121:22 pm
LAS
- IDA
Nonstop1h 46m
Allegiant Air
Deal found 6/6![Allegiant Air logo]()
$66
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 9/711:00 am
LAS
- IDA
Nonstop1h 49m
Allegiant Air
Deal found 6/5![Allegiant Air logo]()
$77
This Kiwi.com deal was found by Cheapflights users on 6/6. 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 6/191:22 pm
LAS
- IDA
Nonstop1h 46m
Allegiant Air
Deal found 6/6![Allegiant Air logo]()
$81
This Kiwi.com deal was found by Cheapflights users on 6/8. 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.
Mon 7/61:12 pm
LAS
- IDA
Nonstop1h 48m
Allegiant Air
Deal found 6/8![Allegiant Air logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 7/31:12 pm
LAS
- IDA
Nonstop1h 48m
Allegiant Air
Deal found 6/5![Allegiant Air logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 6/6. 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.
Mon 8/3110:44 am
LAS
- IDA
1 stop7h 59m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$146
This Delta deal was found by Cheapflights users on 6/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:00 am
LAS
- IDA
1 stop3h 50m
Delta
Deal found 6/8![Delta logo]()
$151
This United Airlines deal was found by Cheapflights users on 6/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/295:20 am
LAS
- IDA
1 stop7h 09m
United Airlines
Deal found 6/6![United Airlines logo]()
$160
This Priceline deal was found by Cheapflights users on 6/8. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/23:12 pm
LAS
- IDA
1 stop6h 27m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$161
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 June 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $90 (Booking.com) |
One-way from | $55 (Kiwi.com) |
Popular in | December |
Cheapest in | November |
Average price | $138 |
Good round-trip deal | $117 or less |
Good one-way deal | $63 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 June 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
Mon 7/13
3:00 pm-9:57 pm
1 stop5h 57m
Idaho Falls Fanning Field
Mon 7/27
10:47 pm-11:30 pm
Nonstop1h 43m
$211
Las VegasIdaho Falls
LAS - IDA
LASIDA
Las Vegas Harry Reid Intl
Fri 7/17
7:00 am-1:06 pm
1 stop5h 06m
Idaho Falls Fanning Field
Mon 7/20
4:14 pm-8:12 pm
1 stop4h 58m
$355
Las VegasIdaho Falls
LAS - IDA
LASIDA
Las Vegas Harry Reid Intl
Tue 8/11
9:50 am-10:32 pm
2 stops11h 42m
Idaho Falls Fanning Field
Wed 8/12
7:00 pm-10:36 pm
1 stop4h 36m
$359
Quickest round-trip
Las VegasIdaho Falls
LAS - IDA
LASIDA
Las Vegas Harry Reid Intl
Thu 7/2
10:00 am-2:37 pm
1 stop3h 37m
Idaho Falls Fanning Field
Tue 7/7
6:00 am-8:50 am
1 stop3h 50m
$396
Las VegasIdaho Falls
LAS - IDA
LASIDA
Las Vegas Harry Reid Intl
Fri 6/12
6:00 am-10:43 am
1 stop3h 43m
Idaho Falls Fanning Field
Sat 6/13
7:01 pm-10:36 pm
1 stop4h 35m
$429
Las VegasIdaho Falls
LAS - IDA
LASIDA
Las Vegas Harry Reid Intl
Tue 8/11
7:59 am-10:39 pm
2 stops13h 40m
Idaho Falls Fanning Field
Sun 8/16
4:14 pm-8:12 pm
1 stop4h 58m
$441
Las VegasIdaho Falls
LAS - IDA
LASIDA
Las Vegas Harry Reid Intl
Fri 6/26
7:00 am-1:06 pm
1 stop5h 06m
Idaho Falls Fanning Field
Mon 6/29
4:14 pm-1:58 pm
2 stops22h 44m
$466
Cheapest one-way
Quickest one-way
Las VegasIdaho Falls
LAS - IDA
LASIDA
Las Vegas Harry Reid Intl
Fri 6/19
1:22 pm-4:08 pm
Nonstop1h 46m
$90
Las VegasIdaho Falls
LAS - IDA
LASIDA
Las Vegas Harry Reid Intl
Sat 9/5
6:00 am-10:50 am
1 stop3h 50m
$151
Las VegasIdaho Falls
LAS - IDA
LASIDA
Las Vegas Harry Reid Intl
Sat 7/18
5:15 pm-10:32 pm
1 stop4h 17m
$151
Showing 1-10 of 18 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 June.
| 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 June 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 June 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.
Boarding
8.1
Overall
7.9
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Overall
7.9
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Overall
7.9
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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.
Traveling to a place near Idaho Falls?
Book flights to Idaho Falls if you plan to visit one of these locationsRexburg
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
Flights by cabin class
Idaho Falls flight routes
Other flight options
Other flights from Las Vegas
Popular flights
Alternative routes for Las Vegas to Idaho Falls
See prices for flight routes from nearby airports that may be better suited for you.
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 June 10, 2026.
Las Vegas and Idaho Falls flights
Browse other Las Vegas and Idaho Falls flight options. Last updated on June 10, 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 June 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Las Vegas to Idaho Falls
Discover the top 2 airlines 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 2,558,603 searches. Data last updated June 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$61 | Average$114 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$149 | Average$240 | FlexibilityNo cancel fee | On-timeN/A |