$71+ Cheap flights from Houston 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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — BOI
Mar 5 — Mar 121
1 adult, Economy
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Find cheap flights from Houston to Idaho 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
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Cheapest flights from Houston to IdahoExplore the most affordable flight options available from Houston to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.
Explore the most affordable flight options available from Houston to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.
This Frontier deal was found by Cheapflights users on 2/1. 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 2/266:39 am
IAH
- GEG
1 stop6h 48m
Frontier
Sun 3/112:59 pm
GEG
- IAH
1 stop9h 34m
Frontier
Deal found 2/1![Frontier logo]()
$214
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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 3/45:33 pm
IAH
- BOI
1 stop7h 26m
Alaska Airlines
Mon 3/96:00 pm
BOI
- IAH
1 stop21h 33m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$234
This United Airlines deal was found by Cheapflights users on 2/1. 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 3/36:30 am
IAH
- IDA
1 stop8h 00m
United Airlines
Tue 3/105:30 pm
IDA
- IAH
1 stop6h 06m
United Airlines
Deal found 2/1![United Airlines logo]()
$237
This Expedia deal was found by Cheapflights users on 2/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/224:46 pm
IAH
- GEG
1 stop9h 09m
Alaska Airlines
Tue 4/282:45 pm
GEG
- IAH
1 stop12h 55m
Alaska Airlines
Deal found 2/1![Alaska Airlines logo]()
$237
This Delta deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/242:13 pm
HOU
- BOI
1 stop9h 12m
Delta
Tue 3/311:40 pm
BOI
- HOU
1 stop8h 02m
Delta
Deal found 2/3![Delta logo]()
$237
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Tue 3/32:53 pm
IAH
- BOI
1 stop7h 39m
United Airlines
Tue 3/105:31 pm
BOI
- IAH
1 stop6h 05m
United Airlines
Deal found 2/2![United Airlines logo]()
$237
This Expedia deal was found by Cheapflights users on 2/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/16:39 am
IAH
- BOI
1 stop5h 32m
Frontier
Thu 3/512:38 pm
BOI
- IAH
1 stop10h 55m
Frontier
Deal found 2/1![Frontier logo]()
$239
This Delta deal was found by Cheapflights users on 2/1. 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 4/2212:25 pm
IAH
- GEG
1 stop7h 54m
Delta
Tue 4/2811:25 am
GEG
- IAH
2 stops8h 09m
Delta
Deal found 2/1![Delta logo]()
$242
This Delta deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/247:35 am
IAH
- BOI
2 stops12h 08m
Delta
Tue 3/311:40 pm
BOI
- IAH
1 stop9h 19m
Delta
Deal found 2/3![Delta logo]()
$242
This Delta deal was found by Cheapflights users on 2/2. 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.
Wed 3/45:25 am
HOU
- BOI
1 stop8h 03m
Delta
Mon 3/911:30 pm
BOI
- HOU
1 stop9h 53m
Delta
Deal found 2/2![Delta logo]()
$254
This Delta deal was found by Cheapflights users on 2/1. 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 3/47:15 am
IAH
- BOI
1 stop5h 54m
Delta
Mon 3/96:00 am
BOI
- IAH
1 stop4h 50m
Delta
Deal found 2/1![Delta logo]()
$254
This Expedia deal was found by Cheapflights users on 2/2. 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.
Thu 2/196:39 am
IAH
- BOI
1 stop6h 12m
Frontier
Sun 2/2211:56 am
BOI
- IAH
1 stop11h 37m
Frontier
Deal found 2/2![Frontier logo]()
$256
Best flights from Houston to IdahoDiscover carefully curated flight deals from Houston to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 3, 2026.
Discover carefully curated flight deals from Houston to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 3, 2026.
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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 3/45:33 pm
IAH
- BOI
1 stop7h 26m
Alaska Airlines
Mon 3/96:00 pm
BOI
- IAH
1 stop21h 33m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$234
This United Airlines deal was found by Cheapflights users on 2/1. 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.
Sat 3/216:40 am
IAH
- IDA
1 stop7h 50m
United Airlines
Tue 3/245:30 pm
IDA
- IAH
1 stop6h 06m
United Airlines
Deal found 2/1![United Airlines logo]()
$237
This Delta deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/242:13 pm
HOU
- BOI
1 stop9h 12m
Delta
Tue 3/311:40 pm
BOI
- HOU
1 stop8h 02m
Delta
Deal found 2/3![Delta logo]()
$237
This Southwest deal was found by Cheapflights users on 2/1. 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 2/249:00 am
HOU
- BOI
1 stop7h 20m
Southwest
Sun 3/14:25 pm
BOI
- HOU
1 stop7h 05m
Southwest
Deal found 2/1![Southwest logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 2/266:39 am
IAH
- GEG
1 stop6h 48m
Multiple Airlines
Sun 3/19:15 pm
GEG
- IAH
2 stops43h 59m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$293
This American Airlines deal was found by Cheapflights users on 2/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/256:00 am
HOU
- BOI
1 stop7h 48m
American Airlines
Wed 4/11:39 pm
BOI
- HOU
1 stop5h 11m
American Airlines
Deal found 2/2![American Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 2/2. 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.
Wed 3/1812:41 pm
IAH
- BOI
1 stop5h 37m
Delta
Wed 3/2511:30 pm
BOI
- IAH
1 stop8h 26m
Delta
Deal found 2/2![Delta logo]()
$237
This United Airlines deal was found by Cheapflights users on 2/1. 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.
Fri 3/205:00 am
IAH
- IDA
1 stop5h 56m
United Airlines
Tue 3/242:35 pm
IDA
- IAH
1 stop5h 20m
United Airlines
Deal found 2/1![United Airlines logo]()
$263
This Delta deal was found by Cheapflights users on 2/1. 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 4/2212:25 pm
IAH
- GEG
1 stop7h 54m
Delta
Tue 4/2811:25 am
GEG
- IAH
2 stops8h 09m
Delta
Deal found 2/1![Delta logo]()
$242
This Delta deal was found by Cheapflights users on 2/1. 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.
Tue 3/2412:41 pm
IAH
- BOI
2 stops12h 04m
Delta
Tue 3/311:40 pm
BOI
- IAH
1 stop9h 19m
Delta
Deal found 2/1![Delta logo]()
$242
This Southwest deal was found by Cheapflights users on 2/1. 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.
Wed 4/226:30 am
HOU
- GEG
1 stop8h 35m
Southwest
Tue 4/281:45 pm
GEG
- HOU
1 stop7h 40m
Southwest
Deal found 2/1![Southwest logo]()
$297
This United Airlines deal was found by Cheapflights users on 2/1. 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.
Sat 5/99:50 am
IAH
- WYS
1 stop7h 17m
United Airlines
Sat 5/165:45 pm
WYS
- IAH
1 stop5h 13m
United Airlines
Deal found 2/1![United Airlines logo]()
$274
This Expedia deal was found by Cheapflights users on 1/31. 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.
Thu 3/56:39 am
IAH
- GEG
1 stop6h 48m
Multiple Airlines
Mon 3/97:06 pm
GEG
- IAH
2 stops11h 17m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$309
This Southwest deal was found by Cheapflights users on 2/1. 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.
Mon 2/235:50 am
HOU
- BOI
1 stop5h 30m
Southwest
Thu 2/264:25 pm
BOI
- HOU
1 stop7h 05m
Southwest
Deal found 2/1![Southwest logo]()
$304
This Delta deal was found by Cheapflights users on 2/3. 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 3/45:25 am
HOU
- BOI
1 stop8h 03m
Delta
Mon 3/91:40 pm
BOI
- HOU
1 stop8h 02m
Delta
Deal found 2/3![Delta logo]()
$254
This United Airlines deal was found by Cheapflights users on 2/1. 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.
Thu 6/116:30 am
IAH
- IDA
1 stop7h 54m
United Airlines
Sun 6/146:03 pm
IDA
- IAH
1 stop5h 38m
United Airlines
Deal found 2/1![United Airlines logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Thu 3/128:41 pm
IAH
- IDA
2 stops25h 42m
Multiple Airlines
Mon 3/1610:13 pm
IDA
- IAH
1 stop6h 39m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$320
This Southwest deal was found by Cheapflights users on 2/1. 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.
Sun 3/15:25 am
HOU
- BOI
1 stop5h 45m
Southwest
Thu 3/56:10 pm
BOI
- HOU
1 stop5h 55m
Southwest
Deal found 2/1![Southwest logo]()
$304
This Delta deal was found by Cheapflights users on 2/2. 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.
Wed 3/45:30 am
IAH
- BOI
1 stop7h 58m
Delta
Mon 3/91:40 pm
BOI
- IAH
1 stop9h 19m
Delta
Deal found 2/2![Delta logo]()
$254
This United Airlines deal was found by Cheapflights users on 2/1. 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.
Sat 2/284:32 pm
IAH
- GEG
1 stop6h 45m
United Airlines
Wed 3/44:02 pm
GEG
- IAH
1 stop5h 57m
United Airlines
Deal found 2/1![United Airlines logo]()
$289
This Southwest deal was found by Cheapflights users on 2/1. 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.
Sat 2/285:40 am
HOU
- GEG
1 stop6h 00m
Southwest
Wed 3/45:35 am
GEG
- HOU
1 stop10h 00m
Southwest
Deal found 2/1![Southwest logo]()
$312
This Delta deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/242:09 pm
IAH
- BOI
1 stop8h 00m
Delta
Sun 3/2911:30 pm
BOI
- IAH
1 stop8h 26m
Delta
Deal found 2/3![Delta logo]()
$263
This Alaska Airlines deal was found by Cheapflights users on 2/1. 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 3/137:00 am
IAH
- JAC
1 stop29h 08m
Alaska Airlines
Sat 3/2112:17 pm
JAC
- IAH
1 stop16h 04m
Alaska Airlines
Deal found 2/1![Alaska Airlines logo]()
$448
This United Airlines deal was found by Cheapflights users on 2/1. 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.
Sat 2/286:30 am
IAH
- IDA
1 stop8h 00m
United Airlines
Mon 3/92:35 pm
IDA
- IAH
1 stop7h 11m
United Airlines
Deal found 2/1![United Airlines logo]()
$314
This Southwest deal was found by Cheapflights users on 1/31. 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.
Thu 3/55:40 am
HOU
- GEG
1 stop8h 05m
Southwest
Mon 3/95:00 am
GEG
- HOU
1 stop7h 15m
Southwest
Deal found 1/31![Southwest logo]()
$323
This United Airlines deal was found by Cheapflights users on 2/1. 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.
Sat 3/215:00 am
IAH
- IDA
1 stop5h 56m
United Airlines
Mon 3/232:35 pm
IDA
- IAH
1 stop7h 11m
United Airlines
Deal found 2/1![United Airlines logo]()
$314
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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.
Sat 6/136:00 am
IAH
- JAC
1 stop30h 09m
Alaska Airlines
Sat 6/2011:40 am
JAC
- IAH
1 stop24h 48m
Alaska Airlines
Deal found 2/2![Alaska Airlines logo]()
$463
This Delta deal was found by Cheapflights users on 2/1. 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.
Sun 4/196:26 am
IAH
- GEG
1 stop8h 37m
Delta
Mon 4/206:00 am
GEG
- IAH
1 stop9h 42m
Delta
Deal found 2/1![Delta logo]()
$289
This Southwest deal was found by Cheapflights users on 2/1. 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.
Sun 4/196:05 am
HOU
- GEG
1 stop6h 30m
Southwest
Mon 4/205:00 am
GEG
- HOU
1 stop11h 35m
Southwest
Deal found 2/1![Southwest logo]()
$328
This Delta deal was found by Cheapflights users on 2/1. 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.
Fri 4/176:37 am
IAH
- GEG
2 stops13h 42m
Delta
Sun 4/191:00 pm
GEG
- IAH
1 stop6h 34m
Delta
Deal found 2/1![Delta logo]()
$294
Last-minute flights from Houston to IdahoDiscover last-minute flight deals from Houston to Idaho. Data last updated February 3, 2026 and is based on user searches.
Discover last-minute flight deals from Houston to Idaho. Data last updated February 3, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 2/2. 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.
Thu 2/196:39 am
IAH
- BOI
1 stop6h 12m
Frontier
Sun 2/2211:56 am
BOI
- IAH
1 stop11h 37m
Frontier
Deal found 2/2![Frontier logo]()
$256
This CheapOair deal was found by Cheapflights users on 2/3. 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 2/196:39 am
IAH
- BOI
1 stop6h 12m
Frontier
Sun 3/111:56 am
BOI
- IAH
1 stop20h 40m
Frontier
Deal found 2/3![Frontier logo]()
$257
This Frontier deal was found by Cheapflights users on 2/1. 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 2/266:39 am
IAH
- GEG
1 stop6h 48m
Frontier
Sun 3/112:59 pm
GEG
- IAH
1 stop9h 34m
Frontier
Deal found 2/1![Frontier logo]()
$214
This Expedia deal was found by Cheapflights users on 2/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/16:39 am
IAH
- BOI
1 stop5h 32m
Frontier
Thu 3/512:38 pm
BOI
- IAH
1 stop10h 55m
Frontier
Deal found 2/1![Frontier logo]()
$239
This United Airlines deal was found by Cheapflights users on 2/1. 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 3/36:30 am
IAH
- IDA
1 stop8h 00m
United Airlines
Tue 3/105:30 pm
IDA
- IAH
1 stop6h 06m
United Airlines
Deal found 2/1![United Airlines logo]()
$237
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Tue 3/32:53 pm
IAH
- BOI
1 stop7h 39m
United Airlines
Tue 3/105:31 pm
BOI
- IAH
1 stop6h 05m
United Airlines
Deal found 2/2![United Airlines logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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 3/45:33 pm
IAH
- BOI
1 stop7h 26m
Alaska Airlines
Mon 3/96:00 pm
BOI
- IAH
1 stop21h 33m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$234
This Delta deal was found by Cheapflights users on 2/3. 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 3/45:25 am
HOU
- BOI
1 stop8h 03m
Delta
Mon 3/91:40 pm
BOI
- HOU
1 stop8h 02m
Delta
Deal found 2/3![Delta logo]()
$254
This Delta deal was found by Cheapflights users on 2/1. 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 3/47:15 am
IAH
- BOI
1 stop5h 54m
Delta
Mon 3/96:00 am
BOI
- IAH
1 stop4h 50m
Delta
Deal found 2/1![Delta logo]()
$254
This Expedia deal was found by Cheapflights users on 1/31. 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.
Thu 3/56:39 am
IAH
- GEG
1 stop6h 48m
Multiple Airlines
Mon 3/95:57 pm
GEG
- IAH
1 stop20h 36m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$259
This Delta deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/242:13 pm
HOU
- BOI
1 stop9h 12m
Delta
Tue 3/311:40 pm
BOI
- HOU
1 stop8h 02m
Delta
Deal found 2/3![Delta logo]()
$237
This Delta deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/247:35 am
IAH
- BOI
2 stops12h 08m
Delta
Tue 3/311:40 pm
BOI
- IAH
1 stop9h 19m
Delta
Deal found 2/3![Delta logo]()
$242
One-way flights from Houston to IdahoSearch for one-way flight options from Houston to Idaho. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
Search for one-way flight options from Houston to Idaho. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 3/48:45 am
IAH
- BOI
1 stop28h 06m
Frontier
Deal found 2/2![Frontier logo]()
$71
This Trip.com deal was found by Cheapflights users on 2/1. 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.
Wed 2/188:45 am
IAH
- BOI
1 stop28h 06m
Frontier
Deal found 2/1![Frontier logo]()
$103
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 3/49:16 am
IAH
- BOI
2 stops27h 35m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$105
This Trip.com deal was found by Cheapflights users on 2/3. 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.
Wed 2/118:45 am
IAH
- GEG
1 stop28h 42m
Frontier
Deal found 2/3![Frontier logo]()
$125
This Delta deal was found by Cheapflights users on 2/1. 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.
Tue 7/142:35 pm
IAH
- GEG
2 stops11h 00m
Delta
Deal found 2/1![Delta logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
Wed 7/159:33 pm
IAH
- GEG
1 stop24h 28m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$159
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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 3/254:51 pm
IAH
- BOI
1 stop8h 05m
Alaska Airlines
Deal found 2/2![Alaska Airlines logo]()
$159
This Priceline deal was found by Cheapflights users on 2/2. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/86:45 am
IAH
- GEG
1 stop6h 23m
Frontier
Deal found 2/2![Frontier logo]()
$165
This American Airlines deal was found by Cheapflights users on 2/1. 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.
Wed 2/186:00 am
HOU
- BOI
1 stop7h 48m
American Airlines
Deal found 2/1![American Airlines logo]()
$175
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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 7/146:00 am
IAH
- GEG
1 stop8h 29m
Alaska Airlines
Deal found 2/2![Alaska Airlines logo]()
$179
This Southwest deal was found by Cheapflights users on 2/1. 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.
Wed 2/184:40 pm
HOU
- BOI
2 stops7h 30m
Southwest
Deal found 2/1![Southwest logo]()
$180
This Delta deal was found by Cheapflights users on 2/2. 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.
Wed 2/185:25 am
HOU
- GEG
1 stop8h 10m
Delta
Deal found 2/2![Delta logo]()
$180
Find flight deals from Houston to Idaho
Keep the following information in mind while searching for Houston to Idaho flight deals. Data was last updated February 3, 2026.
Round-trip from | $214 (Frontier) |
|---|---|
One-way from | $71 (Kiwi.com) |
Popular in | December |
Cheapest in | August |
Average price | $351 |
Cheapflights Fare Finder
Customize your flight search to find flights from Houston 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 February 3, 2026.
Use the filters below to find and compare flights from Houston to Idaho that are best for you.
Fly from
Houston
Fly to
Idaho
Route
Depart
Return
Price
HoustonBoise
IAH - BOI
IAHBOI
Houston George Bush Intcntl
Wed 3/4
5:33 pm-11:59 pm
1 stop7h 26m
Boise Air Term. Gowen Fld
Mon 3/9
6:00 pm-4:33 pm
1 stop21h 33m
$234
HoustonIdaho Falls
IAH - IDA
IAHIDA
Houston George Bush Intcntl
Sat 3/21
6:40 am-1:30 pm
1 stop7h 50m
Idaho Falls Fanning Field
Tue 3/24
5:30 pm-12:36 am
1 stop6h 06m
$237
HoustonBoise
HOU - BOI
HOUBOI
Houston Hobby
Tue 3/24
2:13 pm-10:25 pm
1 stop9h 12m
Boise Air Term. Gowen Fld
Tue 3/31
1:40 pm-10:42 pm
1 stop8h 02m
$237
HoustonBoise
IAH - BOI
IAHBOI
Houston George Bush Intcntl
Wed 3/18
12:41 pm-5:18 pm
1 stop5h 37m
Boise Air Term. Gowen Fld
Wed 3/25
11:30 pm-8:56 am
1 stop8h 26m
$237
HoustonSpokane
IAH - GEG
IAHGEG
Houston George Bush Intcntl
Wed 4/22
12:25 pm-6:19 pm
1 stop7h 54m
Spokane
Tue 4/28
11:25 am-9:34 pm
2 stops8h 09m
$242
HoustonBoise
IAH - BOI
IAHBOI
Houston George Bush Intcntl
Tue 3/24
12:41 pm-11:45 pm
2 stops12h 04m
Boise Air Term. Gowen Fld
Tue 3/31
1:40 pm-11:59 pm
1 stop9h 19m
$242
HoustonBoise
HOU - BOI
HOUBOI
Houston Hobby
Wed 3/4
5:25 am-12:28 pm
1 stop8h 03m
Boise Air Term. Gowen Fld
Mon 3/9
1:40 pm-10:42 pm
1 stop8h 02m
$254
HoustonBoise
IAH - BOI
IAHBOI
Houston George Bush Intcntl
Wed 3/4
5:30 am-12:28 pm
1 stop7h 58m
Boise Air Term. Gowen Fld
Mon 3/9
1:40 pm-11:59 pm
1 stop9h 19m
$254
HoustonIdaho Falls
IAH - IDA
IAHIDA
Houston George Bush Intcntl
Fri 3/20
5:00 am-9:56 am
1 stop5h 56m
Idaho Falls Fanning Field
Tue 3/24
2:35 pm-8:55 pm
1 stop5h 20m
$263
HoustonBoise
IAH - BOI
IAHBOI
Houston George Bush Intcntl
Tue 3/24
2:09 pm-9:09 pm
1 stop8h 00m
Boise Air Term. Gowen Fld
Sun 3/29
11:30 pm-8:56 am
1 stop8h 26m
$263
Showing 1-10 of 60 results
Best time to book a flight from Houston to Idaho
Have a flexible travel schedule? Discover the best time to fly to Idaho from Houston with our price prediction graph.
IAH-GEG
IAH-BOI
IAH-IDA
HOU-BOI
HOU-GEG
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 Houston to Idaho
HO1-USID
IAH-GEG
IAH-BOI
IAH-IDA
HOU-BOI
What is the cheapest month to book a flight from Houston to Idaho?
Currently, July is the cheapest month in which you can book a flight from Houston to Idaho (average of $134). Flying from Houston to Idaho in November is currently the most expensive (average of $262). 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.
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 February 3, 2026.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta from Houston to Idaho by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.1
Overall
8.0
Boarding
8.1
Crew
8.5
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Food
7.1
Overall
8.0
Boarding
8.1
Crew
8.5
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Food
7.1
Overall
8.0
Boarding
8.1
Crew
8.5
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Food
7.1
Overall
8.0
Boarding
8.1
Crew
8.5
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Food
7.1
Overall
8.0
Boarding
8.1
Crew
8.5
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Food
7.1
Overall
8.0
Boarding
8.1
Crew
8.5
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Related info for your journey
Find useful and relevant information for your journey from Houston 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.
Alternative routes for Houston to Idaho
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from Houston to Idaho
Discover the top 5 airlines that operate flights from Houston 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 February 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$194 | Average$470 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$208 | Average$466 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$211 | Average$384 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$248 | Average$412 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$250 | Average$418 | FlexibilityNo cancel fee | On-time71% |