$96+ Cheap flights from Idaho to Houston
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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — HOU
Aug 29 — Sep 51
Round-trip
1 adult, Economy
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Find cheap flights from Idaho to Houston 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 Idaho to HoustonExplore the most affordable flight options available from Idaho to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2026.
Explore the most affordable flight options available from Idaho to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/251:24 pm
BOI
- IAH
1 stop10h 16m
Frontier
Tue 9/16:30 am
IAH
- BOI
1 stop6h 59m
Frontier
Deal found 7/26![Frontier logo]()
$186
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2712:24 pm
BOI
- IAH
1 stop7h 55m
Frontier
Thu 9/36:30 am
IAH
- BOI
1 stop5h 59m
Frontier
Deal found 7/30![Frontier logo]()
$214
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/11:24 pm
BOI
- IAH
1 stop20h 10m
Frontier
Wed 9/21:53 pm
IAH
- BOI
2 stops22h 36m
Frontier
Deal found 7/28![Frontier logo]()
$226
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.
Thu 9/242:50 pm
BOI
- IAH
2 stops24h 57m
Frontier
Mon 9/285:05 am
IAH
- BOI
1 stop9h 50m
Frontier
Deal found 7/29![Frontier logo]()
$233
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 9/172:50 pm
BOI
- IAH
1 stop23h 00m
Frontier
Mon 9/215:05 am
IAH
- BOI
1 stop9h 50m
Frontier
Deal found 7/30![Frontier logo]()
$238
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1810:58 am
GEG
- IAH
1 stop27h 49m
Multiple Airlines
Wed 9/237:00 am
IAH
- GEG
1 stop28h 19m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$238
This Frontier deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/111:24 pm
BOI
- IAH
1 stop10h 16m
Frontier
Tue 8/186:30 am
IAH
- BOI
1 stop6h 59m
Frontier
Deal found 7/26![Frontier logo]()
$240
This Frontier deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/111:24 pm
BOI
- IAH
1 stop10h 16m
Frontier
Sun 8/236:30 am
IAH
- BOI
1 stop5h 59m
Frontier
Deal found 7/26![Frontier logo]()
$244
This Frontier deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/131:24 pm
BOI
- IAH
1 stop10h 16m
Frontier
Sun 8/236:30 am
IAH
- BOI
1 stop5h 59m
Frontier
Deal found 7/26![Frontier logo]()
$248
This Kiwi.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:20 pm
GEG
- IAH
1 stop23h 44m
Multiple Airlines
Wed 10/2810:30 pm
IAH
- GEG
2 stops22h 08m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$312
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 9/233:40 pm
BOI
- HOU
1 stop5h 35m
Southwest
Tue 9/292:45 pm
HOU
- BOI
1 stop6h 05m
Southwest
Deal found 7/29![Southwest logo]()
$314
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 8/263:40 pm
BOI
- HOU
1 stop5h 30m
Southwest
Wed 9/22:45 pm
HOU
- BOI
1 stop6h 00m
Southwest
Deal found 7/29![Southwest logo]()
$319
Best flights from Idaho to HoustonDiscover carefully curated flight deals from Idaho to Houston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 30, 2026.
Discover carefully curated flight deals from Idaho to Houston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 30, 2026.
This Delta deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/241:00 pm
GEG
- HOU
1 stop8h 03m
Delta
Wed 10/286:09 am
HOU
- GEG
1 stop7h 41m
Delta
Deal found 7/26![Delta logo]()
$319
This American Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:00 am
GEG
- HOU
1 stop7h 43m
American Airlines
Tue 9/296:04 am
HOU
- GEG
1 stop7h 51m
American Airlines
Deal found 7/25![American Airlines logo]()
$319
This Southwest deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/512:45 pm
GEG
- HOU
1 stop6h 00m
Southwest
Sat 9/128:20 am
HOU
- GEG
1 stop6h 40m
Southwest
Deal found 7/26![Southwest logo]()
$319
This Alaska Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:43 am
BOI
- IAH
1 stop9h 31m
Alaska Airlines
Wed 10/76:02 am
IAH
- BOI
1 stop7h 33m
Alaska Airlines
Deal found 7/27![Alaska Airlines logo]()
$319
This United Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/225:40 pm
BOI
- IAH
1 stop5h 16m
United Airlines
Sat 9/265:15 am
IAH
- BOI
1 stop5h 18m
United Airlines
Deal found 7/25![United Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2310:50 pm
GEG
- IAH
1 stop8h 54m
Delta
Wed 10/285:29 am
IAH
- GEG
1 stop8h 21m
Delta
Deal found 7/26![Delta logo]()
$319
This Alaska Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2212:17 pm
GEG
- IAH
1 stop9h 42m
Alaska Airlines
Wed 9/307:02 am
IAH
- GEG
1 stop7h 37m
Alaska Airlines
Deal found 7/25![Alaska Airlines logo]()
$319
This Southwest deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:55 am
GEG
- HOU
2 stops7h 55m
Southwest
Tue 10/276:25 am
HOU
- GEG
1 stop5h 50m
Southwest
Deal found 7/26![Southwest logo]()
$324
This United Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/245:44 pm
BOI
- IAH
1 stop5h 12m
United Airlines
Mon 8/313:00 pm
IAH
- BOI
1 stop7h 37m
United Airlines
Deal found 7/27![United Airlines logo]()
$347
This Alaska Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/205:12 am
GEG
- IAH
1 stop6h 19m
Alaska Airlines
Wed 9/306:16 pm
IAH
- GEG
1 stop6h 55m
Alaska Airlines
Deal found 7/25![Alaska Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2310:50 pm
GEG
- IAH
1 stop8h 54m
Delta
Tue 10/277:10 am
IAH
- GEG
1 stop7h 09m
Delta
Deal found 7/26![Delta logo]()
$319
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 8/267:30 am
GEG
- HOU
1 stop8h 10m
Southwest
Wed 9/210:45 am
HOU
- GEG
1 stop12h 55m
Southwest
Deal found 7/29![Southwest logo]()
$324
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.
Tue 10/2012:42 pm
GEG
- IAH
1 stop9h 17m
Alaska Airlines
Wed 10/216:02 am
IAH
- GEG
1 stop7h 37m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$319
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 9/165:24 am
GEG
- IAH
1 stop6h 11m
Delta
Wed 9/236:10 am
IAH
- GEG
1 stop8h 48m
Delta
Deal found 7/29![Delta logo]()
$319
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:00 am
BOI
- HOU
2 stops8h 10m
Southwest
Wed 9/27:00 am
HOU
- BOI
2 stops7h 40m
Southwest
Deal found 7/28![Southwest logo]()
$329
This Alaska Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:52 am
GEG
- IAH
1 stop9h 21m
Alaska Airlines
Wed 9/307:02 am
IAH
- GEG
1 stop7h 37m
Alaska Airlines
Deal found 7/25![Alaska Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2010:45 pm
GEG
- IAH
1 stop7h 46m
Delta
Wed 9/304:05 pm
IAH
- GEG
2 stops9h 54m
Delta
Deal found 7/26![Delta logo]()
$324
This American Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/31:21 pm
JAC
- IAH
1 stop6h 13m
American Airlines
Fri 11/66:00 am
IAH
- JAC
1 stop7h 39m
American Airlines
Deal found 7/25![American Airlines logo]()
$437
This Southwest deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/75:55 am
BOI
- HOU
2 stops8h 05m
Southwest
Sat 11/149:35 am
HOU
- BOI
2 stops9h 35m
Southwest
Deal found 7/25![Southwest logo]()
$329
This United Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/282:25 pm
IDA
- IAH
1 stop7h 31m
United Airlines
Tue 9/19:33 am
IAH
- IDA
1 stop4h 56m
United Airlines
Deal found 7/27![United Airlines logo]()
$420
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2410:56 pm
GEG
- IAH
1 stop10h 19m
Delta
Thu 8/276:10 am
IAH
- GEG
2 stops12h 50m
Delta
Deal found 7/28![Delta logo]()
$324
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 10/225:00 am
GEG
- HOU
2 stops8h 05m
Southwest
Fri 10/238:00 am
HOU
- GEG
2 stops11h 40m
Southwest
Deal found 7/29![Southwest logo]()
$329
This Alaska Airlines deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:59 am
BOI
- IAH
1 stop6h 53m
Alaska Airlines
Sat 10/176:02 am
IAH
- BOI
1 stop7h 33m
Alaska Airlines
Deal found 7/26![Alaska Airlines logo]()
$333
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1312:06 pm
IDA
- HOU
1 stop6h 38m
American Airlines
Mon 8/173:57 pm
HOU
- IDA
1 stop6h 23m
American Airlines
Deal found 7/29![American Airlines logo]()
$450
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/252:25 pm
IDA
- IAH
1 stop7h 31m
United Airlines
Sat 8/298:30 am
IAH
- IDA
1 stop7h 53m
United Airlines
Deal found 7/29![United Airlines logo]()
$430
This Delta deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:55 am
BOI
- IAH
2 stops12h 02m
Delta
Tue 9/294:05 pm
IAH
- BOI
2 stops8h 53m
Delta
Deal found 7/27![Delta logo]()
$329
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 10/112:15 pm
GEG
- HOU
1 stop10h 25m
Southwest
Sat 10/32:40 pm
HOU
- GEG
2 stops8h 35m
Southwest
Deal found 7/29![Southwest logo]()
$330
This Alaska Airlines deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/234:03 pm
IDA
- IAH
1 stop7h 00m
Alaska Airlines
Wed 1/277:00 am
IAH
- IDA
1 stop9h 29m
Alaska Airlines
Deal found 7/26![Alaska Airlines logo]()
$350
This Delta deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1111:30 am
BOI
- IAH
2 stops11h 22m
Delta
Wed 11/183:27 pm
IAH
- BOI
2 stops9h 37m
Delta
Deal found 7/27![Delta logo]()
$329
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 9/167:30 am
GEG
- HOU
1 stop8h 10m
Southwest
Wed 9/239:40 am
HOU
- GEG
1 stop8h 35m
Southwest
Deal found 7/29![Southwest logo]()
$339
Last-minute flights from Idaho to HoustonDiscover last-minute flight deals from Idaho to Houston. Data last updated July 30, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to Houston. Data last updated July 30, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/111:24 pm
BOI
- IAH
1 stop10h 16m
Frontier
Tue 8/186:30 am
IAH
- BOI
1 stop6h 59m
Frontier
Deal found 7/26![Frontier logo]()
$240
This Frontier deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/111:24 pm
BOI
- IAH
1 stop10h 16m
Frontier
Sun 8/236:30 am
IAH
- BOI
1 stop5h 59m
Frontier
Deal found 7/26![Frontier logo]()
$244
This Frontier deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/131:24 pm
BOI
- IAH
1 stop10h 16m
Frontier
Sun 8/236:30 am
IAH
- BOI
1 stop5h 59m
Frontier
Deal found 7/26![Frontier logo]()
$248
This Kiwi.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/161:24 pm
BOI
- IAH
1 stop20h 10m
Frontier
Wed 8/1911:35 am
IAH
- BOI
1 stop24h 54m
Frontier
Deal found 7/26![Frontier logo]()
$256
This Kiwi.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/161:24 pm
BOI
- IAH
1 stop20h 10m
Frontier
Mon 8/2410:04 pm
IAH
- BOI
1 stop15h 25m
Frontier
Deal found 7/26![Frontier logo]()
$258
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.
Thu 8/2012:24 pm
BOI
- IAH
1 stop7h 55m
Frontier
Sun 8/2311:59 am
IAH
- BOI
2 stops49h 30m
Frontier
Deal found 7/29![Frontier logo]()
$255
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.
Thu 8/2012:24 pm
BOI
- IAH
1 stop7h 55m
Frontier
Sat 8/2912:38 pm
IAH
- BOI
2 stops23h 51m
Frontier
Deal found 7/29![Frontier logo]()
$264
This American Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:40 am
GEG
- HOU
1 stop7h 46m
American Airlines
Sun 8/235:41 am
HOU
- GEG
1 stop8h 13m
American Airlines
Deal found 7/27![American Airlines logo]()
$319
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.
Mon 8/2410:56 pm
GEG
- IAH
1 stop10h 19m
Delta
Thu 8/276:10 am
IAH
- GEG
1 stop8h 47m
Delta
Deal found 7/29![Delta logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/251:24 pm
BOI
- IAH
1 stop10h 16m
Frontier
Tue 9/16:30 am
IAH
- BOI
1 stop6h 59m
Frontier
Deal found 7/26![Frontier logo]()
$186
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 8/263:40 pm
BOI
- HOU
1 stop5h 30m
Southwest
Wed 9/22:45 pm
HOU
- BOI
1 stop6h 00m
Southwest
Deal found 7/29![Southwest logo]()
$319
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2712:24 pm
BOI
- IAH
1 stop7h 55m
Frontier
Thu 9/36:30 am
IAH
- BOI
1 stop5h 59m
Frontier
Deal found 7/30![Frontier logo]()
$214
One-way flights from Idaho to HoustonSearch for one-way flight options from Idaho to Houston. Find affordable one-way fares based on user searches. Data last updated July 30, 2026.
Search for one-way flight options from Idaho to Houston. Find affordable one-way fares based on user searches. Data last updated July 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/181:24 pm
BOI
- IAH
1 stop20h 10m
Frontier
Deal found 7/26![Frontier logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/81:24 pm
BOI
- IAH
1 stop19h 11m
Frontier
Deal found 7/26![Frontier logo]()
$97
This Frontier deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/131:24 pm
BOI
- IAH
1 stop6h 50m
Frontier
Deal found 7/26![Frontier logo]()
$124
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.
Sun 10/113:52 pm
BOI
- IAH
2 stops26h 10m
Frontier
Deal found 7/29![Frontier logo]()
$126
This Orbitz deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/91:24 pm
BOI
- IAH
1 stop20h 10m
Frontier
Deal found 7/26![Frontier logo]()
$130
This CheapOair deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/93:52 pm
BOI
- IAH
1 stop28h 12m
Frontier
Deal found 7/27![Frontier logo]()
$135
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/244:20 pm
GEG
- HOU
1 stop5h 50m
Southwest
Deal found 7/28![Southwest logo]()
$155
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:09 am
GEG
- IAH
2 stops12h 34m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$155
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:15 am
BOI
- HOU
1 stop8h 40m
Southwest
Deal found 7/28![Southwest logo]()
$160
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.
Sat 11/141:13 pm
GEG
- HOU
1 stop8h 00m
Delta
Deal found 7/29![Delta logo]()
$160
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2912:12 pm
BOI
- IAH
1 stop7h 28m
American Airlines
Deal found 7/28![American Airlines logo]()
$160
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/231:25 pm
GEG
- IAH
1 stop6h 32m
Delta
Deal found 7/28![Delta logo]()
$160
Find flight deals from Idaho to Houston
Keep the following information in mind while searching for Idaho to Houston flight deals. Data was last updated July 30, 2026.
Round-trip from | $186 (Kiwi.com) |
|---|---|
One-way from | $96 (Kiwi.com) |
Popular in | May |
Cheapest in | September |
Average price | $508 |
Cheapflights Fare Finder
Customize your flight search to find flights from Idaho to Houston 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 July 30, 2026.
Use the filters below to find and compare flights from Idaho to Houston that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SpokaneHouston
GEG - HOU
GEGHOU
Spokane
Sat 10/24
1:00 pm-11:03 pm
1 stop8h 03m
Houston Hobby
Wed 10/28
6:09 am-11:50 am
1 stop7h 41m
$319
SpokaneHouston
GEG - HOU
GEGHOU
Spokane
Tue 9/22
6:00 am-3:43 pm
1 stop7h 43m
Houston Hobby
Tue 9/29
6:04 am-11:55 am
1 stop7h 51m
$319
SpokaneHouston
GEG - HOU
GEGHOU
Spokane
Sat 9/5
12:45 pm-8:45 pm
1 stop6h 00m
Houston Hobby
Sat 9/12
8:20 am-1:00 pm
1 stop6h 40m
$319
BoiseHouston
BOI - IAH
BOIIAH
Boise Air Term. Gowen Fld
Tue 10/6
6:43 am-5:14 pm
1 stop9h 31m
Houston George Bush Intcntl
Wed 10/7
6:02 am-12:35 pm
1 stop7h 33m
$319
Quickest round-trip
BoiseHouston
BOI - IAH
BOIIAH
Boise Air Term. Gowen Fld
Tue 9/22
5:40 pm-11:56 pm
1 stop5h 16m
Houston George Bush Intcntl
Sat 9/26
5:15 am-9:33 am
1 stop5h 18m
$319
SpokaneHouston
GEG - IAH
GEGIAH
Spokane
Fri 10/23
10:50 pm-9:44 am
1 stop8h 54m
Houston George Bush Intcntl
Wed 10/28
5:29 am-11:50 am
1 stop8h 21m
$319
SpokaneHouston
GEG - IAH
GEGIAH
Spokane
Tue 9/22
12:17 pm-11:59 pm
1 stop9h 42m
Houston George Bush Intcntl
Wed 9/30
7:02 am-12:39 pm
1 stop7h 37m
$319
SpokaneHouston
GEG - IAH
GEGIAH
Spokane
Sun 9/20
5:12 am-1:31 pm
1 stop6h 19m
Houston George Bush Intcntl
Wed 9/30
6:16 pm-11:11 pm
1 stop6h 55m
$319
SpokaneHouston
GEG - IAH
GEGIAH
Spokane
Fri 10/23
10:50 pm-9:44 am
1 stop8h 54m
Houston George Bush Intcntl
Tue 10/27
7:10 am-12:19 pm
1 stop7h 09m
$319
SpokaneHouston
GEG - IAH
GEGIAH
Spokane
Tue 10/20
12:42 pm-11:59 pm
1 stop9h 17m
Houston George Bush Intcntl
Wed 10/21
6:02 am-11:39 am
1 stop7h 37m
$319
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Idaho to Houston
Have a flexible travel schedule? Discover the best time to fly to Houston from Idaho with our price prediction graph.
BOI-IAH
BOI-HOU
GEG-IAH
IDA-IAH
GEG-HOU
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 to Houston
USID-HO1
BOI-IAH
BOI-HOU
GEG-IAH
IDA-IAH
What is the cheapest month to book a flight from Idaho to Houston?
Currently, September is the cheapest month in which you can book a flight from Idaho to Houston (average of $311). Flying from Idaho to Houston in March is currently the most expensive (average of $611). 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.
How much does it cost to fly round-trip from Idaho to Houston?
Airfare is below average for this route at the moment.
Idaho to Houston flights typically cost between $288 and $518 in August.The cheapest round-trip price found within the last 5 days was $186 on Frontier (Aug 25-Sep 1).
How far ahead should I book a flight from Idaho to Houston?
Booking 37 days in advance of your planned departure date is, on average, the best time to get cheap flights from Idaho to Houston. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Related info for your journey
Find useful and relevant information for your journey from Idaho to Houston. 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 Idaho to Houston
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Complete your trip
Complete your trip to Houston by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Idaho to Houston by cabin class
Find flights from Idaho to Houston, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Idaho and Houston flights
Browse other Idaho and Houston flight options. Last updated on July 30, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Idaho to Houston flights
Consider these flights traveling from Idaho to Houston.
Top 6 airlines flying from Idaho to Houston
Discover the top 6 airlines that operate flights from Idaho to Houston. 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 July 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$154 | Average$415 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$180 | Average$289 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$180 | Average$386 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$206 | Average$476 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$253 | Average$472 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$302 | Average$495 | FlexibilityNo cancel fee | On-time63% |