$67+ Cheap flights from Idaho Falls to Las Vegas (IDA - LAS)
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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — LAS
Jun 2 — Jun 91
Round-trip
1 adult, Economy
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Find cheap flights from Idaho Falls to Las Vegas 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.Cheapflights Tip: The best prices from Idaho Falls Fanning Field to Las Vegas Harry Reid Intl are usually found in June or August, booked 72 days in advance, depart on a Monday or Thursday and return on a Tuesday
Cheap flight deals from Idaho Falls to Las Vegas
Cheapest
Best
Last-minute
One-way
Cheapest flights from Idaho Falls to Las VegasExplore the most affordable flight options available from Idaho Falls to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 3, 2026.
Explore the most affordable flight options available from Idaho Falls to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 3, 2026.
This Gotogate deal was found by Cheapflights users on 4/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2010:47 pm
IDA
- LAS
Nonstop1h 43m
Allegiant Air
Fri 7/241:12 pm
LAS
- IDA
Nonstop1h 48m
Allegiant Air
Deal found 4/28![Allegiant Air logo]()
$78
This Cheapflightsfares deal was found by Cheapflights users on 5/1. 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 6/810:56 pm
IDA
- LAS
Nonstop1h 43m
Allegiant Air
Mon 6/221:22 pm
LAS
- IDA
Nonstop1h 46m
Allegiant Air
Deal found 5/1![Allegiant Air logo]()
$89
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 6/1210:56 pm
IDA
- LAS
Nonstop1h 43m
Allegiant Air
Mon 6/221:22 pm
LAS
- IDA
Nonstop1h 46m
Allegiant Air
Deal found 4/29![Allegiant Air logo]()
$93
This Booking.com deal was found by Cheapflights users on 4/29. 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 6/1910:56 pm
IDA
- LAS
Nonstop1h 43m
Allegiant Air
Mon 6/221:22 pm
LAS
- IDA
Nonstop1h 46m
Allegiant Air
Deal found 4/29![Allegiant Air logo]()
$94
This Cheapflightsfares deal was found by Cheapflights users on 5/2. 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 6/14:43 pm
IDA
- LAS
Nonstop1h 43m
Allegiant Air
Fri 7/101:12 pm
LAS
- IDA
Nonstop1h 48m
Allegiant Air
Deal found 5/2![Allegiant Air logo]()
$97
This Cheapflightsfares deal was found by Cheapflights users on 4/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/510:56 pm
IDA
- LAS
Nonstop1h 43m
Allegiant Air
Fri 6/121:22 pm
LAS
- IDA
Nonstop1h 46m
Allegiant Air
Deal found 4/28![Allegiant Air logo]()
$101
This Cheapflightsfares deal was found by Cheapflights users on 4/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/410:21 pm
IDA
- LAS
Nonstop1h 41m
Allegiant Air
Fri 5/812:42 pm
LAS
- IDA
Nonstop1h 45m
Allegiant Air
Deal found 4/28![Allegiant Air logo]()
$114
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 5/810:21 pm
IDA
- LAS
Nonstop1h 41m
Allegiant Air
Mon 5/1112:42 pm
LAS
- IDA
Nonstop1h 45m
Allegiant Air
Deal found 4/29![Allegiant Air logo]()
$118
This Booking.com deal was found by Cheapflights users on 4/29. 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 7/2410:47 pm
IDA
- LAS
Nonstop1h 43m
Allegiant Air
Mon 7/271:12 pm
LAS
- IDA
Nonstop1h 48m
Allegiant Air
Deal found 4/29![Allegiant Air logo]()
$119
This Cheapflightsfares deal was found by Cheapflights users on 5/1. 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 7/3110:47 pm
IDA
- LAS
Nonstop1h 43m
Allegiant Air
Mon 8/31:12 pm
LAS
- IDA
Nonstop1h 48m
Allegiant Air
Deal found 5/1![Allegiant Air logo]()
$121
Best flights from Idaho Falls to Las VegasDiscover carefully curated flight deals from Idaho Falls to Las Vegas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 3, 2026.
Discover carefully curated flight deals from Idaho Falls to Las Vegas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 3, 2026.
This Alaska Airlines deal was found by Cheapflights users on 5/2. 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 6/304:14 pm
IDA
- LAS
1 stop4h 58m
Alaska Airlines
Sat 7/43:12 pm
LAS
- IDA
1 stop6h 27m
Alaska Airlines
Deal found 5/2![Alaska Airlines logo]()
$316
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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.
Tue 6/231:43 pm
IDA
- LAS
1 stop8h 17m
Alaska Airlines
Fri 6/267:22 am
LAS
- IDA
1 stop7h 15m
Alaska Airlines
Deal found 4/28![Alaska Airlines logo]()
$356
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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 5/201:54 pm
IDA
- LAS
1 stop7h 41m
Alaska Airlines
Wed 5/276:00 am
LAS
- IDA
1 stop8h 26m
Alaska Airlines
Deal found 4/29![Alaska Airlines logo]()
$411
This Alaska Airlines deal was found by Cheapflights users on 5/1. 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.
Mon 6/86:00 am
IDA
- LAS
1 stop8h 10m
Alaska Airlines
Mon 6/227:21 pm
LAS
- IDA
2 stops16h 45m
Alaska Airlines
Deal found 5/1![Alaska Airlines logo]()
$418
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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 6/241:43 pm
IDA
- LAS
2 stops20h 22m
Alaska Airlines
Tue 6/307:00 am
LAS
- IDA
1 stop5h 06m
Alaska Airlines
Deal found 4/30![Alaska Airlines logo]()
$424
This Alaska Airlines deal was found by Cheapflights users on 5/2. 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.
Mon 6/14:03 pm
IDA
- LAS
1 stop5h 02m
Alaska Airlines
Fri 6/58:56 pm
LAS
- IDA
1 stop17h 30m
Alaska Airlines
Deal found 5/2![Alaska Airlines logo]()
$437
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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.
Mon 5/184:03 pm
IDA
- LAS
1 stop5h 02m
Alaska Airlines
Fri 5/229:00 pm
LAS
- IDA
1 stop17h 26m
Alaska Airlines
Deal found 4/28![Alaska Airlines logo]()
$441
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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.
Sat 5/234:03 pm
IDA
- LAS
1 stop5h 17m
Alaska Airlines
Thu 5/288:37 pm
LAS
- IDA
2 stops17h 49m
Alaska Airlines
Deal found 4/29![Alaska Airlines logo]()
$496
This Alaska Airlines deal was found by Cheapflights users on 5/1. 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 5/296:00 am
IDA
- LAS
2 stops14h 57m
Alaska Airlines
Tue 6/27:10 am
LAS
- IDA
1 stop5h 07m
Alaska Airlines
Deal found 5/1![Alaska Airlines logo]()
$511
Last-minute flights from Idaho Falls to Las VegasDiscover last-minute flight deals from Idaho Falls to Las Vegas. Data last updated May 3, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho Falls to Las Vegas. Data last updated May 3, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/110:21 pm
IDA
- LAS
Nonstop1h 41m
Allegiant Air
Mon 5/1112:42 pm
LAS
- IDA
Nonstop1h 45m
Allegiant Air
Deal found 4/28![Allegiant Air logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/110:21 pm
IDA
- LAS
Nonstop1h 41m
Allegiant Air
Fri 5/812:42 pm
LAS
- IDA
Nonstop1h 45m
Allegiant Air
Deal found 4/28![Allegiant Air logo]()
$153
This Cheapflightsfares deal was found by Cheapflights users on 4/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/410:21 pm
IDA
- LAS
Nonstop1h 41m
Allegiant Air
Fri 5/812:42 pm
LAS
- IDA
Nonstop1h 45m
Allegiant Air
Deal found 4/28![Allegiant Air logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
Mon 5/410:21 pm
IDA
- LAS
Nonstop1h 41m
Allegiant Air
Mon 5/1112:42 pm
LAS
- IDA
Nonstop1h 45m
Allegiant Air
Deal found 4/28![Allegiant Air logo]()
$124
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 5/810:21 pm
IDA
- LAS
Nonstop1h 41m
Allegiant Air
Mon 5/1112:42 pm
LAS
- IDA
Nonstop1h 45m
Allegiant Air
Deal found 4/29![Allegiant Air logo]()
$118
This Cheapflightsfares deal was found by Cheapflights users on 4/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1110:21 pm
IDA
- LAS
Nonstop1h 41m
Allegiant Air
Fri 6/51:22 pm
LAS
- IDA
Nonstop1h 46m
Allegiant Air
Deal found 4/28![Allegiant Air logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
Mon 5/1110:21 pm
IDA
- LAS
Nonstop1h 41m
Multiple Airlines
Fri 6/57:55 am
LAS
- IDA
1 stop8h 54m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 5/2. 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 5/184:17 pm
IDA
- LAS
1 stop6h 10m
Multiple Airlines
Fri 5/2210:15 am
LAS
- IDA
Nonstop1h 45m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$150
This Cheapflightsfares deal was found by Cheapflights users on 5/1. 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 5/295:38 pm
IDA
- LAS
Nonstop1h 43m
Allegiant Air
Fri 6/51:22 pm
LAS
- IDA
Nonstop1h 46m
Allegiant Air
Deal found 5/1![Allegiant Air logo]()
$110
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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 5/295:38 pm
IDA
- LAS
Nonstop1h 43m
Allegiant Air
Mon 6/17:25 am
LAS
- IDA
Nonstop1h 45m
Allegiant Air
Deal found 4/30![Allegiant Air logo]()
$128
One-way flights from Idaho Falls to Las VegasSearch for one-way flight options from Idaho Falls to Las Vegas. Find affordable one-way fares based on user searches. Data last updated May 3, 2026.
Search for one-way flight options from Idaho Falls to Las Vegas. Find affordable one-way fares based on user searches. Data last updated May 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 5/810:21 pm
IDA
- LAS
Nonstop1h 41m
Allegiant Air
Deal found 4/30![Allegiant Air logo]()
$67
This Expedia deal was found by Cheapflights users on 5/2. 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 6/34:03 pm
IDA
- LAS
1 stop5h 02m
Alaska Airlines
Deal found 5/2![Alaska Airlines logo]()
$155
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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.
Sat 5/301:54 pm
IDA
- LAS
1 stop7h 41m
Alaska Airlines
Deal found 4/29![Alaska Airlines logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 5/289:46 am
IDA
- LAS
2 stops29h 17m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$165
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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 9/104:14 pm
IDA
- LAS
1 stop5h 11m
Alaska Airlines
Deal found 4/29![Alaska Airlines logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 5/84:17 pm
IDA
- LAS
1 stop26h 27m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$179
This United Airlines deal was found by Cheapflights users on 5/2. 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.
Wed 6/32:30 pm
IDA
- LAS
1 stop4h 53m
United Airlines
Deal found 5/2![United Airlines logo]()
$181
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Wed 5/274:10 pm
IDA
- LAS
1 stop4h 58m
United Airlines
Deal found 4/29![United Airlines logo]()
$194
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Sun 5/175:26 pm
IDA
- LAS
1 stop5h 39m
United Airlines
Deal found 4/29![United Airlines logo]()
$206
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 6/189:45 am
IDA
- LAS
2 stops25h 00m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$226
Find flight deals from Idaho Falls to Las Vegas
Discover tips and strategies to find the most affordable flight options for your journey from Idaho Falls (IDA) to Las Vegas (LAS). 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 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $78 (Gotogate) |
One-way from | $67 (Kiwi.com) |
Popular in | December |
Cheapest in | June |
Average price | $208 |
Good round-trip deal | $90 or less |
Good one-way deal | $88 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Idaho Falls to Las Vegas 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 3, 2026.
Use the filters below to find and compare flights from Idaho Falls to Las Vegas that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
Idaho FallsLas Vegas
IDA - LAS
IDALAS
Idaho Falls Fanning Field
Tue 6/30
4:14 pm-8:12 pm
1 stop4h 58m
Las Vegas Harry Reid Intl
Sat 7/4
3:12 pm-10:39 pm
1 stop6h 27m
$316
Idaho FallsLas Vegas
IDA - LAS
IDALAS
Idaho Falls Fanning Field
Tue 6/23
1:43 pm-9:00 pm
1 stop8h 17m
Las Vegas Harry Reid Intl
Fri 6/26
7:22 am-3:37 pm
1 stop7h 15m
$356
Idaho FallsLas Vegas
IDA - LAS
IDALAS
Idaho Falls Fanning Field
Wed 5/20
1:54 pm-8:35 pm
1 stop7h 41m
Las Vegas Harry Reid Intl
Wed 5/27
6:00 am-3:26 pm
1 stop8h 26m
$411
Idaho FallsLas Vegas
IDA - LAS
IDALAS
Idaho Falls Fanning Field
Mon 6/8
6:00 am-1:10 pm
1 stop8h 10m
Las Vegas Harry Reid Intl
Mon 6/22
7:21 pm-1:06 pm
2 stops16h 45m
$418
Idaho FallsLas Vegas
IDA - LAS
IDALAS
Idaho Falls Fanning Field
Wed 6/24
1:43 pm-9:05 am
2 stops20h 22m
Las Vegas Harry Reid Intl
Tue 6/30
7:00 am-1:06 pm
1 stop5h 06m
$424
Idaho FallsLas Vegas
IDA - LAS
IDALAS
Idaho Falls Fanning Field
Mon 6/1
4:03 pm-8:05 pm
1 stop5h 02m
Las Vegas Harry Reid Intl
Fri 6/5
8:56 pm-3:26 pm
1 stop17h 30m
$437
Idaho FallsLas Vegas
IDA - LAS
IDALAS
Idaho Falls Fanning Field
Mon 5/18
4:03 pm-8:05 pm
1 stop5h 02m
Las Vegas Harry Reid Intl
Fri 5/22
9:00 pm-3:26 pm
1 stop17h 26m
$441
Idaho FallsLas Vegas
IDA - LAS
IDALAS
Idaho Falls Fanning Field
Sat 5/23
4:03 pm-8:20 pm
1 stop5h 17m
Las Vegas Harry Reid Intl
Thu 5/28
8:37 pm-3:26 pm
2 stops17h 49m
$496
Idaho FallsLas Vegas
IDA - LAS
IDALAS
Idaho Falls Fanning Field
Fri 5/29
6:00 am-7:57 pm
2 stops14h 57m
Las Vegas Harry Reid Intl
Tue 6/2
7:10 am-1:17 pm
1 stop5h 07m
$511
Cheapest one-way
Idaho FallsLas Vegas
IDA - LAS
IDALAS
Idaho Falls Fanning Field
Thu 9/10
4:14 pm-8:25 pm
1 stop5h 11m
$166
Showing 1-10 of 17 resultsSorted by cheapest first
Compare providers for flights from Idaho Falls to Las Vegas
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 Idaho Falls to Las Vegas in May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Idaho Falls-Las Vegas flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Idaho Falls-Las Vegas flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Idaho Falls-Las Vegas flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Idaho Falls-Las Vegas 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 Idaho Falls-Las Vegas 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 Idaho Falls to Las Vegas
Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Idaho Falls with our price prediction graph.
IDA-LAS
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 Idaho Falls to Las Vegas
How far ahead should I book a flight from Idaho Falls to Las Vegas?
The best time to book flights from Idaho Falls to Las Vegas is 25 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Idaho Falls to Las Vegas?
Currently, June is the cheapest month in which you can book a flight from Idaho Falls to Las Vegas (average of $114). Flying from Idaho Falls to Las Vegas in December is currently the most expensive (average of $269). 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 IDA to LAS?
Find hourly flight availability from Idaho Falls to Las Vegas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 3, 2026.
When flying from Idaho Falls to Las Vegas, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Reviews of airlines servicing Las Vegas
Get insights into the airlines that provide service to Las Vegas. 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 Las Vegas. Reviews last updated May 3, 2026.
See what other customers who have flown with Alaska Airlines,Delta, andUnited Airlines from Idaho Falls to Las Vegas have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Boarding
8.1
Entertainment
7.0
Food
7.1
Crew
8.5
Overall
7.9
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Boarding
8.1
Entertainment
7.0
Food
7.1
Crew
8.5
Overall
7.9
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Boarding
8.1
Entertainment
7.0
Food
7.1
Crew
8.5
Overall
7.9
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Boarding
8.1
Entertainment
7.0
Food
7.1
Crew
8.5
Overall
7.9
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Boarding
8.1
Entertainment
7.0
Food
7.1
Crew
8.5
Overall
7.9
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Boarding
8.1
Entertainment
7.0
Food
7.1
Crew
8.5
Overall
7.9
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Related info for your journey
Find useful and relevant information for your journey from Idaho Falls to Las Vegas. 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 Las Vegas?
Book flights to Las Vegas if you plan to visit one of these locationsParadise
Mesquite
North Las Vegas
Henderson
Kingman
Winchester
Boulder City
Needles
Sunrise Manor
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Other flights to Las Vegas
Explore flights to Las Vegas departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 3, 2026.
Idaho Falls and Las Vegas flights
Browse other Idaho Falls and Las Vegas flight options. Last updated on May 3, 2026.
Other flights from Idaho Falls
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Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Idaho Falls to Las Vegas
Discover the top 5 airlines that operate flights from Idaho Falls to Las Vegas. 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 May 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$86 | Average$149 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$120 | Average$330 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$130 | Average$329 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$194 | Average$331 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$279 | Average$542 | FlexibilityNo cancel fee | On-time71% |