$33+ Cheap flights from Las Vegas (LAS) to Idaho
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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — BOI
Sep 2 — Sep 91
Round-trip
1 adult, Economy
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Find cheap flights from Las Vegas to Idaho with Cheapflights
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Cheapest flights from Las Vegas to IdahoExplore the most affordable flight options available from Las Vegas to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 3, 2026.
Explore the most affordable flight options available from Las Vegas to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 3, 2026.
This Frontier deal was found by Cheapflights users on 7/31. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2411:00 am
LAS
- BOI
Nonstop1h 55m
Frontier
Mon 9/282:50 pm
BOI
- LAS
Nonstop1h 55m
Frontier
Deal found 7/31![Frontier logo]()
$66
This Frontier deal was found by Cheapflights users on 8/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1011:00 am
LAS
- BOI
Nonstop1h 55m
Frontier
Thu 10/12:50 pm
BOI
- LAS
Nonstop1h 55m
Frontier
Deal found 8/1![Frontier logo]()
$67
This Jettzy deal was found by Cheapflights users on 8/1. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1011:00 am
LAS
- BOI
Nonstop1h 55m
Frontier
Mon 9/212:50 pm
BOI
- LAS
Nonstop1h 55m
Frontier
Deal found 8/1![Frontier logo]()
$68
This Frontier deal was found by Cheapflights users on 8/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1711:00 am
LAS
- BOI
Nonstop1h 55m
Frontier
Sun 9/202:50 pm
BOI
- LAS
Nonstop1h 55m
Frontier
Deal found 8/1![Frontier logo]()
$73
This CheapOair deal was found by Cheapflights users on 7/28. 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.
Thu 9/107:00 am
LAS
- GEG
Nonstop2h 19m
Allegiant Air
Sun 9/1310:09 am
GEG
- LAS
Nonstop2h 18m
Allegiant Air
Deal found 7/28![Allegiant Air logo]()
$75
This Frontier deal was found by Cheapflights users on 8/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1011:00 am
LAS
- BOI
Nonstop1h 55m
Frontier
Sun 10/42:50 pm
BOI
- LAS
Nonstop1h 55m
Frontier
Deal found 8/1![Frontier logo]()
$75
This Frontier deal was found by Cheapflights users on 8/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1111:00 am
LAS
- BOI
Nonstop1h 55m
Frontier
Mon 9/212:50 pm
BOI
- LAS
Nonstop1h 55m
Frontier
Deal found 8/1![Frontier logo]()
$77
This Frontier deal was found by Cheapflights users on 8/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1111:00 am
LAS
- BOI
Nonstop1h 55m
Frontier
Thu 10/12:50 pm
BOI
- LAS
Nonstop1h 55m
Frontier
Deal found 8/1![Frontier logo]()
$78
This CheapOair deal was found by Cheapflights users on 8/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/307:00 am
LAS
- GEG
Nonstop2h 22m
Allegiant Air
Sun 9/610:09 am
GEG
- LAS
Nonstop2h 18m
Allegiant Air
Deal found 8/2![Allegiant Air logo]()
$80
This Trip.com deal was found by Cheapflights users on 7/31. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2511:00 am
LAS
- BOI
Nonstop1h 55m
Frontier
Mon 9/282:50 pm
BOI
- LAS
Nonstop1h 55m
Frontier
Deal found 7/31![Frontier logo]()
$81
This Expedia deal was found by Cheapflights users on 7/31. 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.
Mon 9/1411:00 am
LAS
- BOI
Nonstop1h 55m
Frontier
Mon 9/212:50 pm
BOI
- LAS
Nonstop1h 55m
Frontier
Deal found 7/31![Frontier logo]()
$83
This Orbitz deal was found by Cheapflights users on 8/1. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/211:00 am
LAS
- BOI
Nonstop1h 55m
Frontier
Sun 10/42:50 pm
BOI
- LAS
Nonstop1h 55m
Frontier
Deal found 8/1![Frontier logo]()
$84
Best flights from Las Vegas to IdahoDiscover carefully curated flight deals from Las Vegas to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 3, 2026.
Discover carefully curated flight deals from Las Vegas to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 3, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 8/1. 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 11/2012:48 pm
LAS
- IDA
Nonstop1h 46m
Allegiant Air
Fri 11/277:06 pm
IDA
- LAS
Nonstop1h 42m
Allegiant Air
Deal found 8/1![Allegiant Air logo]()
$152
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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 9/257:02 am
LAS
- GEG
1 stop4h 46m
Alaska Airlines
Mon 9/281:36 pm
GEG
- LAS
1 stop6h 34m
Alaska Airlines
Deal found 7/31![Alaska Airlines logo]()
$157
This Southwest deal was found by Cheapflights users on 8/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:40 pm
LAS
- BOI
Nonstop1h 50m
Southwest
Tue 9/2211:30 am
BOI
- LAS
2 stops6h 20m
Southwest
Deal found 8/1![Southwest logo]()
$172
This Delta deal was found by Cheapflights users on 8/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/287:51 pm
LAS
- BOI
1 stop3h 08m
Delta
Sun 8/306:00 am
BOI
- LAS
1 stop3h 53m
Delta
Deal found 8/2![Delta logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Tue 10/68:44 pm
LAS
- IDA
2 stops35h 28m
Multiple Airlines
Mon 10/129:33 pm
IDA
- LAS
Nonstop1h 44m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$228
This Southwest deal was found by Cheapflights users on 7/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/74:15 pm
LAS
- BOI
1 stop4h 30m
Southwest
Wed 12/96:15 am
BOI
- LAS
Nonstop1h 50m
Southwest
Deal found 7/29![Southwest logo]()
$173
This Southwest deal was found by Cheapflights users on 7/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1010:10 am
LAS
- BOI
2 stops8h 00m
Southwest
Thu 9/172:45 pm
BOI
- LAS
1 stop6h 20m
Southwest
Deal found 7/30![Southwest logo]()
$182
This Alaska Airlines deal was found by Cheapflights users on 8/1. 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 10/235:29 pm
LAS
- BOI
1 stop4h 22m
Alaska Airlines
Sun 10/252:27 pm
BOI
- LAS
Nonstop1h 57m
Alaska Airlines
Deal found 8/1![Alaska Airlines logo]()
$202
This United Airlines deal was found by Cheapflights users on 8/2. 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.
Fri 10/25:15 am
LAS
- WYS
1 stop7h 15m
United Airlines
Mon 10/52:05 pm
WYS
- LAS
1 stop7h 51m
United Airlines
Deal found 8/2![United Airlines logo]()
$429
This Southwest deal was found by Cheapflights users on 8/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/45:20 pm
LAS
- BOI
1 stop5h 35m
Southwest
Sun 9/66:45 am
BOI
- LAS
Nonstop1h 45m
Southwest
Deal found 8/2![Southwest logo]()
$187
This American Airlines deal was found by Cheapflights users on 8/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/611:05 am
LAS
- JAC
1 stop5h 21m
American Airlines
Fri 10/95:59 pm
JAC
- LAS
1 stop5h 15m
American Airlines
Deal found 8/1![American Airlines logo]()
$453
This Alaska Airlines deal was found by Cheapflights users on 8/2. 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.
Wed 10/148:23 pm
LAS
- GEG
2 stops18h 59m
Alaska Airlines
Sat 10/175:07 am
GEG
- LAS
1 stop4h 47m
Alaska Airlines
Deal found 8/2![Alaska Airlines logo]()
$216
This Southwest deal was found by Cheapflights users on 7/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:10 am
LAS
- BOI
2 stops8h 00m
Southwest
Mon 9/283:50 pm
BOI
- LAS
Nonstop1h 55m
Southwest
Deal found 7/29![Southwest logo]()
$192
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 10/226:02 am
LAS
- GEG
1 stop5h 37m
Alaska Airlines
Mon 10/266:03 am
GEG
- LAS
1 stop7h 22m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$219
This Delta deal was found by Cheapflights users on 7/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:35 am
LAS
- PIH
2 stops10h 48m
Delta
Wed 9/27:00 pm
PIH
- LAS
1 stop4h 36m
Delta
Deal found 7/29![Delta logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 8/1. 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.
Fri 11/204:24 pm
LAS
- IDA
1 stop5h 33m
Multiple Airlines
Fri 11/277:06 pm
IDA
- LAS
Nonstop1h 42m
Multiple Airlines
Deal found 8/1![Multiple Airlines logo]()
$281
This Southwest deal was found by Cheapflights users on 8/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/45:20 pm
LAS
- BOI
1 stop5h 35m
Southwest
Sat 9/53:25 pm
BOI
- LAS
1 stop8h 35m
Southwest
Deal found 8/2![Southwest logo]()
$192
This Alaska Airlines deal was found by Cheapflights users on 8/2. 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.
Thu 9/246:02 am
LAS
- BOI
1 stop5h 33m
Alaska Airlines
Mon 9/286:49 pm
BOI
- LAS
1 stop15h 53m
Alaska Airlines
Deal found 8/2![Alaska Airlines logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 8/2. 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.
Wed 9/212:57 am
LAS
- IDA
2 stops17h 33m
Multiple Airlines
Mon 9/78:36 pm
IDA
- LAS
Nonstop1h 45m
Multiple Airlines
Deal found 8/2![Multiple Airlines logo]()
$298
This Southwest deal was found by Cheapflights users on 7/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/103:55 pm
LAS
- BOI
2 stops6h 00m
Southwest
Mon 9/147:00 am
BOI
- LAS
2 stops5h 25m
Southwest
Deal found 7/29![Southwest logo]()
$207
This Delta deal was found by Cheapflights users on 7/31. 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.
Wed 8/266:00 am
LAS
- WYS
1 stop5h 27m
Delta
Sat 8/291:09 pm
WYS
- LAS
1 stop3h 48m
Delta
Deal found 7/31![Delta logo]()
$304
This Alaska Airlines deal was found by Cheapflights users on 8/2. 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 9/222:31 pm
LAS
- GEG
1 stop8h 40m
Alaska Airlines
Thu 9/242:02 pm
GEG
- LAS
1 stop4h 46m
Alaska Airlines
Deal found 8/2![Alaska Airlines logo]()
$247
This Delta deal was found by Cheapflights users on 8/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:00 am
LAS
- IDA
1 stop3h 50m
Delta
Fri 9/47:00 pm
IDA
- LAS
1 stop5h 55m
Delta
Deal found 8/1![Delta logo]()
$311
This Southwest deal was found by Cheapflights users on 7/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/299:40 am
LAS
- GEG
Nonstop2h 25m
Southwest
Sat 9/56:15 am
GEG
- LAS
Nonstop2h 20m
Southwest
Deal found 7/31![Southwest logo]()
$219
This Delta deal was found by Cheapflights users on 8/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:10 am
LAS
- WYS
1 stop3h 37m
Delta
Thu 9/1711:29 am
WYS
- LAS
2 stops10h 20m
Delta
Deal found 8/2![Delta logo]()
$314
This Southwest deal was found by Cheapflights users on 7/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/222:35 pm
LAS
- GEG
1 stop6h 20m
Southwest
Sat 8/2911:20 am
GEG
- LAS
Nonstop2h 25m
Southwest
Deal found 7/30![Southwest logo]()
$229
This United Airlines deal was found by Cheapflights users on 8/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/88:04 am
LAS
- JAC
1 stop4h 41m
United Airlines
Wed 9/164:25 pm
JAC
- LAS
1 stop6h 34m
United Airlines
Deal found 8/1![United Airlines logo]()
$453
This Delta deal was found by Cheapflights users on 7/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:00 am
LAS
- IDA
1 stop3h 50m
Delta
Wed 9/211:35 am
IDA
- LAS
1 stop5h 22m
Delta
Deal found 7/29![Delta logo]()
$321
This Trip.com deal was found by Cheapflights users on 8/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:45 am
LAS
- SUN
1 stop24h 54m
Multiple Airlines
Thu 9/1010:28 am
SUN
- LAS
2 stops14h 16m
Multiple Airlines
Deal found 8/1![Multiple Airlines logo]()
$392
This Alaska Airlines deal was found by Cheapflights users on 8/2. 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.
Fri 9/254:25 pm
LAS
- IDA
1 stop5h 31m
Alaska Airlines
Mon 9/283:57 pm
IDA
- LAS
1 stop5h 25m
Alaska Airlines
Deal found 8/2![Alaska Airlines logo]()
$301
Last-minute flights from Las Vegas to IdahoDiscover last-minute flight deals from Las Vegas to Idaho. Data last updated August 3, 2026 and is based on user searches.
Discover last-minute flight deals from Las Vegas to Idaho. Data last updated August 3, 2026 and is based on user searches.
This Orbitz deal was found by Cheapflights users on 7/30. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1912:57 am
LAS
- BOI
1 stop9h 32m
Multiple Airlines
Mon 8/241:30 pm
BOI
- LAS
Nonstop2h 01m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$165
This Cheapflightsfares deal was found by Cheapflights users on 7/29. 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.
Thu 8/207:00 am
LAS
- GEG
Nonstop2h 22m
Allegiant Air
Sun 8/2310:12 am
GEG
- LAS
Nonstop2h 23m
Allegiant Air
Deal found 7/29![Allegiant Air logo]()
$169
This Trip.com deal was found by Cheapflights users on 7/31. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:34 pm
LAS
- BOI
1 stop15h 55m
Frontier
Thu 8/2712:24 pm
BOI
- LAS
1 stop23h 36m
Frontier
Deal found 7/31![Frontier logo]()
$158
This FlightHub deal was found by Cheapflights users on 8/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/237:00 am
LAS
- GEG
Nonstop2h 22m
Multiple Airlines
Sat 8/2910:36 am
GEG
- LAS
1 stop3h 55m
Multiple Airlines
Deal found 8/1![Multiple Airlines logo]()
$164
This Expedia deal was found by Cheapflights users on 7/31. 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 8/265:28 pm
LAS
- GEG
1 stop5h 21m
Alaska Airlines
Tue 9/18:31 am
GEG
- LAS
1 stop6h 57m
Alaska Airlines
Deal found 7/31![Alaska Airlines logo]()
$117
This Southwest deal was found by Cheapflights users on 7/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/268:00 am
LAS
- BOI
Nonstop1h 50m
Southwest
Wed 9/26:00 am
BOI
- LAS
Nonstop1h 45m
Southwest
Deal found 7/29![Southwest logo]()
$149
This CheapOair deal was found by Cheapflights users on 7/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:00 am
LAS
- GEG
Nonstop2h 22m
Allegiant Air
Thu 9/310:09 am
GEG
- LAS
Nonstop2h 18m
Allegiant Air
Deal found 7/30![Allegiant Air logo]()
$122
This Southwest deal was found by Cheapflights users on 8/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2711:25 am
LAS
- BOI
Nonstop1h 50m
Southwest
Thu 9/32:45 pm
BOI
- LAS
1 stop4h 35m
Southwest
Deal found 8/2![Southwest logo]()
$167
This Cheapflightsfares deal was found by Cheapflights users on 7/31. 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 8/287:35 am
LAS
- IDA
Nonstop1h 47m
Allegiant Air
Mon 8/318:33 pm
IDA
- LAS
Nonstop1h 43m
Allegiant Air
Deal found 7/31![Allegiant Air logo]()
$97
This Cheapflightsfares deal was found by Cheapflights users on 7/31. 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 8/287:35 am
LAS
- IDA
Nonstop1h 47m
Allegiant Air
Fri 9/49:44 am
IDA
- LAS
Nonstop1h 45m
Allegiant Air
Deal found 7/31![Allegiant Air logo]()
$156
This CheapOair deal was found by Cheapflights users on 8/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/307:00 am
LAS
- GEG
Nonstop2h 22m
Allegiant Air
Sun 9/610:09 am
GEG
- LAS
Nonstop2h 18m
Allegiant Air
Deal found 8/2![Allegiant Air logo]()
$80
This Mytrip deal was found by Cheapflights users on 8/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/307:00 am
LAS
- GEG
Nonstop2h 22m
Multiple Airlines
Sun 9/66:21 pm
GEG
- LAS
1 stop4h 56m
Multiple Airlines
Deal found 8/2![Multiple Airlines logo]()
$132
One-way flights from Las Vegas to IdahoSearch for one-way flight options from Las Vegas to Idaho. Find affordable one-way fares based on user searches. Data last updated August 3, 2026.
Search for one-way flight options from Las Vegas to Idaho. Find affordable one-way fares based on user searches. Data last updated August 3, 2026.
This Frontier deal was found by Cheapflights users on 7/31. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/111:00 am
LAS
- BOI
Nonstop1h 55m
Frontier
Deal found 7/31![Frontier logo]()
$33
This Frontier deal was found by Cheapflights users on 7/31. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/211:00 am
LAS
- BOI
Nonstop1h 55m
Frontier
Deal found 7/31![Frontier logo]()
$44
This Frontier deal was found by Cheapflights users on 7/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3012:01 pm
LAS
- BOI
Nonstop1h 56m
Frontier
Deal found 7/30![Frontier logo]()
$45
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
Thu 8/277:00 am
LAS
- GEG
Nonstop2h 22m
Allegiant Air
Deal found 7/30![Allegiant Air logo]()
$50
This Frontier deal was found by Cheapflights users on 8/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/212:01 pm
LAS
- BOI
Nonstop1h 56m
Frontier
Deal found 8/1![Frontier logo]()
$50
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 9/218:45 am
LAS
- IDA
Nonstop1h 49m
Allegiant Air
Deal found 8/2![Allegiant Air logo]()
$51
This CheapOair deal was found by Cheapflights users on 7/31. 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.
Sun 8/307:00 am
LAS
- GEG
Nonstop2h 22m
Allegiant Air
Deal found 7/31![Allegiant Air logo]()
$52
This CheapOair deal was found by Cheapflights users on 7/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/294:10 pm
LAS
- GEG
Nonstop2h 28m
Allegiant Air
Deal found 7/30![Allegiant Air logo]()
$57
This Priceline deal was found by Cheapflights users on 7/31. 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.
Tue 9/13:11 pm
LAS
- GEG
1 stop5h 35m
Alaska Airlines
Deal found 7/31![Alaska Airlines logo]()
$59
This Frontier deal was found by Cheapflights users on 7/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2511:00 am
LAS
- BOI
Nonstop1h 55m
Frontier
Deal found 7/30![Frontier logo]()
$59
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 10/11:06 pm
LAS
- GEG
Nonstop2h 28m
Allegiant Air
Deal found 7/31![Allegiant Air logo]()
$62
This Frontier deal was found by Cheapflights users on 8/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/511:00 am
LAS
- BOI
Nonstop1h 55m
Frontier
Deal found 8/2![Frontier logo]()
$64
Find flight deals from Las Vegas to Idaho
Keep the following information in mind while searching for Las Vegas to Idaho flight deals. Data was last updated August 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $66 (Expedia) |
One-way from | $33 (Frontier) |
Popular in | June |
Cheapest in | September |
Average price | $207 |
Good round-trip deal | $94 or less |
Good one-way deal | $72 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Las Vegas to Idaho 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 August 3, 2026.
Use the filters below to find and compare flights from Las Vegas to Idaho that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
Las VegasIdaho Falls
LAS - IDA
LASIDA
Las Vegas Harry Reid Intl
Fri 11/20
12:48 pm-3:34 pm
Nonstop1h 46m
Idaho Falls Fanning Field
Fri 11/27
7:06 pm-7:48 pm
Nonstop1h 42m
$152
Las VegasSpokane
LAS - GEG
LASGEG
Las Vegas Harry Reid Intl
Fri 9/25
7:02 am-11:48 am
1 stop4h 46m
Spokane
Mon 9/28
1:36 pm-8:10 pm
1 stop6h 34m
$157
Las VegasBoise
LAS - BOI
LASBOI
Las Vegas Harry Reid Intl
Tue 9/15
7:40 pm-10:30 pm
Nonstop1h 50m
Boise Air Term. Gowen Fld
Tue 9/22
11:30 am-4:50 pm
2 stops6h 20m
$172
Las VegasBoise
LAS - BOI
LASBOI
Las Vegas Harry Reid Intl
Mon 12/7
4:15 pm-9:45 pm
1 stop4h 30m
Boise Air Term. Gowen Fld
Wed 12/9
6:15 am-7:05 am
Nonstop1h 50m
$173
Las VegasBoise
LAS - BOI
LASBOI
Las Vegas Harry Reid Intl
Thu 9/10
10:10 am-7:10 pm
2 stops8h 00m
Boise Air Term. Gowen Fld
Thu 9/17
2:45 pm-8:05 pm
1 stop6h 20m
$182
Las VegasBoise
LAS - BOI
LASBOI
Las Vegas Harry Reid Intl
Fri 9/4
5:20 pm-11:55 pm
1 stop5h 35m
Boise Air Term. Gowen Fld
Sun 9/6
6:45 am-7:30 am
Nonstop1h 45m
$187
Las VegasBoise
LAS - BOI
LASBOI
Las Vegas Harry Reid Intl
Thu 9/24
10:10 am-7:10 pm
2 stops8h 00m
Boise Air Term. Gowen Fld
Mon 9/28
3:50 pm-4:45 pm
Nonstop1h 55m
$192
Las VegasBoise
LAS - BOI
LASBOI
Las Vegas Harry Reid Intl
Fri 9/4
5:20 pm-11:55 pm
1 stop5h 35m
Boise Air Term. Gowen Fld
Sat 9/5
3:25 pm-11:00 pm
1 stop8h 35m
$192
Las VegasBoise
LAS - BOI
LASBOI
Las Vegas Harry Reid Intl
Fri 8/28
7:51 pm-11:59 pm
1 stop3h 08m
Boise Air Term. Gowen Fld
Sun 8/30
6:00 am-8:53 am
1 stop3h 53m
$197
Las VegasBoise
LAS - BOI
LASBOI
Las Vegas Harry Reid Intl
Fri 10/23
5:29 pm-10:51 pm
1 stop4h 22m
Boise Air Term. Gowen Fld
Sun 10/25
2:27 pm-3:24 pm
Nonstop1h 57m
$202
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Las Vegas to Idaho
Have a flexible travel schedule? Discover the best time to fly to Idaho from Las Vegas with our price prediction graph.
LAS-GEG
LAS-IDA
LAS-BOI
LAS-JAC
LAS-WYS
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
LAS-USID
LAS-GEG
LAS-IDA
LAS-BOI
LAS-JAC
What is the cheapest month to book a flight from Las Vegas to Idaho?
Currently, September is the cheapest month in which you can book a flight from Las Vegas to Idaho (average of $152). Flying from Las Vegas to Idaho in June is currently the most expensive (average of $354). 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 ID?
Find hourly flight availability from Las Vegas to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 3, 2026.
It’s optimal to fly from Las Vegas to Idaho in the morning. By choosing this option you can save up to 17% on the cost of your flight, compared to a flight in the evening.
How much does it cost to fly round-trip from Las Vegas to Idaho?
Airfare is below average for this route at the moment.
Las Vegas to Idaho flights typically cost between $130 and $307 in September.The cheapest round-trip price found within the last 5 days was $66 on Frontier (Sep 10-Sep 21).
How far ahead should I book a flight from Las Vegas to Idaho?
The best time to book flights from Las Vegas to Idaho is 58 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 day to fly from Las Vegas to Idaho?
Use this chart to determine the cheapest time to fly round-trip from Las Vegas to Idaho. Price data was last updated on August 1, 2026.
Travelers seeking maximum savings on their Las Vegas to Idaho flight should consider departing on Saturday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Idaho
Get insights into the airlines that provide service to Idaho. 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. Reviews last updated August 3, 2026.
Read through reviews of airlines operating flights from Las Vegas to Idaho, such as Southwest,Alaska Airlines, andHawaiian Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Related info for your journey
Find useful and relevant information for your journey from Las Vegas to Idaho. 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.
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Alternative routes for Las Vegas to Idaho
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Idaho by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Las Vegas to Idaho by cabin class
Find flights from Las Vegas to Idaho, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Las Vegas and Idaho flights
Browse other Las Vegas and Idaho flight options. Last updated on August 3, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Las Vegas to Idaho flights
Consider these flights traveling from Las Vegas to Idaho.
Top 7 airlines flying from Las Vegas to Idaho
Discover the top 7 airlines that operate flights from Las Vegas to Idaho. 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 August 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$60 | Average$205 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$63 | Average$126 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$65 | Average$243 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$76 | Average$137 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$112 | Average$261 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$147 | Average$309 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$149 | Average$289 | FlexibilityNo cancel fee | On-timeN/A |