$120+ 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 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — BOI
Jul 15 — Jul 221
Round-trip
1 adult, Economy
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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 June 15, 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 June 15, 2026.
This Southwest deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 9/236:10 pm
HOU
- GEG
1 stop6h 15m
Southwest
Wed 9/307:30 am
GEG
- HOU
1 stop11h 15m
Southwest
Deal found 6/11![Southwest logo]()
$205
This Southwest deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/51:05 pm
HOU
- BOI
1 stop11h 15m
Southwest
Tue 8/117:05 am
BOI
- HOU
1 stop5h 35m
Southwest
Deal found 6/9![Southwest logo]()
$217
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 9/236:20 am
IAH
- GEG
1 stop8h 33m
Delta
Wed 9/305:40 am
GEG
- IAH
1 stop5h 49m
Delta
Deal found 6/11![Delta logo]()
$229
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 10/106:30 am
IAH
- BOI
1 stop7h 12m
Delta
Tue 10/1311:30 pm
BOI
- IAH
1 stop8h 16m
Delta
Deal found 6/10![Delta logo]()
$231
This Southwest deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/88:10 am
HOU
- BOI
1 stop7h 35m
Southwest
Tue 8/117:05 am
BOI
- HOU
1 stop5h 35m
Southwest
Deal found 6/9![Southwest logo]()
$232
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 9/237:35 am
IAH
- GEG
1 stop6h 39m
Delta
Wed 9/237:46 pm
GEG
- IAH
2 stops12h 11m
Delta
Deal found 6/11![Delta logo]()
$234
This Southwest deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 8/246:15 am
HOU
- GEG
1 stop7h 25m
Southwest
Wed 8/265:45 am
GEG
- HOU
1 stop9h 25m
Southwest
Deal found 6/10![Southwest logo]()
$245
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 8/245:48 pm
IAH
- GEG
1 stop7h 21m
Delta
Wed 8/266:16 am
GEG
- IAH
1 stop6h 58m
Delta
Deal found 6/10![Delta logo]()
$251
This Alaska Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:02 am
IAH
- BOI
1 stop9h 05m
Alaska Airlines
Wed 8/192:17 pm
BOI
- IAH
1 stop8h 42m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$251
This Priceline deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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.
Mon 9/212:34 pm
IAH
- BOI
1 stop9h 04m
Multiple Airlines
Thu 9/2412:59 pm
BOI
- IAH
1 stop10h 10m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$252
This Frontier deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 9/36:30 am
IAH
- BOI
1 stop6h 39m
Frontier
Tue 9/81:04 pm
BOI
- IAH
1 stop10h 40m
Frontier
Deal found 6/10![Frontier logo]()
$257
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 9/217:00 pm
IAH
- BOI
1 stop5h 58m
Delta
Thu 9/2411:10 am
BOI
- IAH
2 stops11h 39m
Delta
Deal found 6/11![Delta logo]()
$258
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 June 15, 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 June 15, 2026.
This Southwest deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/51:05 pm
HOU
- BOI
1 stop11h 15m
Southwest
Tue 8/117:05 am
BOI
- HOU
1 stop5h 35m
Southwest
Deal found 6/9![Southwest logo]()
$217
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/194:14 pm
IAH
- BOI
2 stops8h 45m
Delta
Sat 8/226:00 am
BOI
- IAH
2 stops8h 14m
Delta
Deal found 6/9![Delta logo]()
$241
This Expedia deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:30 am
IAH
- BOI
1 stop6h 39m
Multiple Airlines
Mon 8/242:17 pm
BOI
- IAH
1 stop8h 42m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$247
This Alaska Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:02 am
IAH
- BOI
1 stop7h 24m
Alaska Airlines
Wed 8/192:17 pm
BOI
- IAH
1 stop8h 42m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$253
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 8/75:15 am
IAH
- IDA
1 stop5h 35m
United Airlines
Fri 8/144:04 pm
IDA
- IAH
1 stop6h 52m
United Airlines
Deal found 6/10![United Airlines logo]()
$329
This Frontier deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 6/236:30 am
IAH
- BOI
1 stop7h 00m
Frontier
Tue 6/301:25 pm
BOI
- IAH
1 stop10h 19m
Frontier
Deal found 6/10![Frontier logo]()
$350
This Southwest deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/88:10 am
HOU
- BOI
1 stop7h 35m
Southwest
Tue 8/117:05 am
BOI
- HOU
1 stop5h 35m
Southwest
Deal found 6/9![Southwest logo]()
$232
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/202:27 pm
IAH
- BOI
2 stops10h 32m
Delta
Mon 8/241:06 pm
BOI
- IAH
2 stops9h 48m
Delta
Deal found 6/9![Delta logo]()
$263
This Expedia deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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.
Sat 8/86:02 am
IAH
- BOI
1 stop7h 45m
Multiple Airlines
Sun 8/161:24 pm
BOI
- IAH
1 stop20h 10m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$268
This Alaska Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:16 pm
IAH
- GEG
1 stop6h 55m
Alaska Airlines
Wed 8/265:52 am
GEG
- IAH
1 stop9h 21m
Alaska Airlines
Deal found 6/13![Alaska Airlines logo]()
$299
This Southwest deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 8/85:40 am
HOU
- GEG
1 stop8h 25m
Southwest
Sat 9/126:15 am
GEG
- HOU
2 stops8h 40m
Southwest
Deal found 6/10![Southwest logo]()
$272
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 8/82:28 pm
IAH
- GEG
2 stops9h 07m
Delta
Sat 9/121:30 pm
GEG
- IAH
1 stop6h 08m
Delta
Deal found 6/10![Delta logo]()
$278
This American Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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 9/53:57 pm
HOU
- IDA
1 stop6h 23m
American Airlines
Mon 9/77:00 am
IDA
- HOU
1 stop7h 26m
American Airlines
Deal found 6/13![American Airlines logo]()
$675
This Southwest deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 9/246:10 pm
HOU
- GEG
1 stop5h 50m
Southwest
Sun 9/274:40 pm
GEG
- HOU
1 stop6h 10m
Southwest
Deal found 6/10![Southwest logo]()
$285
This Alaska Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 7/256:02 am
IAH
- GEG
1 stop8h 24m
Alaska Airlines
Sat 8/15:00 am
GEG
- IAH
1 stop6h 35m
Alaska Airlines
Deal found 6/12![Alaska Airlines logo]()
$324
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 9/32:28 pm
IAH
- BOI
2 stops9h 02m
Delta
Tue 9/86:00 am
BOI
- IAH
1 stop5h 19m
Delta
Deal found 6/10![Delta logo]()
$327
This United Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/89:30 am
IAH
- GEG
Nonstop4h 17m
United Airlines
Mon 8/104:18 pm
GEG
- IAH
1 stop6h 23m
United Airlines
Deal found 6/13![United Airlines logo]()
$398
This Alaska Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 7/76:19 pm
IAH
- GEG
1 stop6h 40m
Alaska Airlines
Wed 7/155:00 am
GEG
- IAH
1 stop6h 35m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” 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 8/212:28 pm
IAH
- IDA
1 stop4h 52m
Delta
Thu 8/276:00 am
IDA
- IAH
1 stop6h 37m
Delta
Deal found 6/14![Delta logo]()
$329
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:20 am
IAH
- WYS
1 stop7h 00m
United Airlines
Tue 9/292:02 pm
WYS
- IAH
1 stop7h 57m
United Airlines
Deal found 6/11![United Airlines logo]()
$399
This Southwest deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 8/66:20 pm
HOU
- BOI
1 stop6h 35m
Southwest
Mon 8/103:50 pm
BOI
- HOU
1 stop7h 40m
Southwest
Deal found 6/11![Southwest logo]()
$337
This Alaska Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:15 am
IAH
- BOI
2 stops13h 18m
Alaska Airlines
Wed 8/266:23 am
BOI
- IAH
2 stops12h 23m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$361
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/298:30 am
IAH
- IDA
1 stop7h 53m
United Airlines
Tue 9/15:53 pm
IDA
- IAH
1 stop5h 03m
United Airlines
Deal found 6/11![United Airlines logo]()
$401
This Southwest deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 8/133:20 pm
HOU
- GEG
2 stops8h 40m
Southwest
Thu 8/204:20 pm
GEG
- HOU
1 stop5h 45m
Southwest
Deal found 6/12![Southwest logo]()
$340
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/54:14 pm
IAH
- BOI
2 stops8h 45m
Delta
Tue 8/116:49 am
BOI
- IAH
2 stops10h 13m
Delta
Deal found 6/9![Delta logo]()
$345
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/157:20 am
IAH
- WYS
1 stop7h 00m
United Airlines
Sat 8/225:45 pm
WYS
- IAH
1 stop5h 11m
United Airlines
Deal found 6/10![United Airlines logo]()
$404
This Alaska Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 8/292:34 pm
IAH
- IDA
1 stop9h 22m
Alaska Airlines
Tue 9/16:18 am
IDA
- IAH
1 stop9h 55m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$374
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 7/275:40 pm
IAH
- GEG
1 stop7h 26m
Delta
Tue 8/47:54 pm
GEG
- IAH
2 stops12h 05m
Delta
Deal found 6/10![Delta logo]()
$348
This Southwest deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 8/248:00 am
HOU
- GEG
2 stops9h 00m
Southwest
Wed 8/267:30 am
GEG
- HOU
2 stops8h 10m
Southwest
Deal found 6/10![Southwest logo]()
$352
This Alaska Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:19 pm
IAH
- GEG
1 stop6h 40m
Alaska Airlines
Tue 7/215:00 am
GEG
- IAH
1 stop6h 35m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$378
Last-minute flights from Houston to IdahoDiscover last-minute flight deals from Houston to Idaho. Data last updated June 15, 2026 and is based on user searches.
Discover last-minute flight deals from Houston to Idaho. Data last updated June 15, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/276:14 pm
IAH
- BOI
1 stop19h 16m
Frontier
Tue 7/281:24 pm
BOI
- IAH
1 stop20h 10m
Frontier
Deal found 6/10![Frontier logo]()
$307
This Expedia deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/306:30 am
IAH
- BOI
1 stop7h 00m
Frontier
Tue 7/71:24 pm
BOI
- IAH
1 stop20h 10m
Frontier
Deal found 6/9![Frontier logo]()
$283
This Expedia deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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.
Tue 6/306:19 pm
IAH
- BOI
1 stop6h 29m
Multiple Airlines
Tue 7/71:24 pm
BOI
- IAH
1 stop20h 10m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$293
This Delta deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” 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 7/46:30 am
IAH
- BOI
1 stop8h 21m
Delta
Wed 7/84:00 pm
BOI
- IAH
1 stop6h 59m
Delta
Deal found 6/14![Delta logo]()
$312
This Delta deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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 7/77:01 pm
IAH
- GEG
1 stop6h 54m
Delta
Thu 7/99:27 am
GEG
- IAH
2 stops12h 32m
Delta
Deal found 6/13![Delta logo]()
$304
This Expedia deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/96:30 am
IAH
- BOI
1 stop6h 59m
Frontier
Thu 7/161:24 pm
BOI
- IAH
1 stop20h 10m
Frontier
Deal found 6/9![Frontier logo]()
$274
This Frontier deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 7/96:30 am
IAH
- BOI
1 stop6h 59m
Frontier
Sun 7/121:24 pm
BOI
- IAH
1 stop10h 16m
Frontier
Deal found 6/10![Frontier logo]()
$291
This American Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 7/105:39 pm
IAH
- GEG
1 stop7h 27m
American Airlines
Fri 7/176:30 am
GEG
- IAH
1 stop8h 29m
American Airlines
Deal found 6/10![American Airlines logo]()
$299
This CheapOair deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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.
Mon 7/136:14 pm
IAH
- BOI
1 stop19h 15m
Frontier
Thu 7/161:24 pm
BOI
- IAH
1 stop6h 50m
Frontier
Deal found 6/11![Frontier logo]()
$284
This CheapOair deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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.
Wed 7/156:14 pm
IAH
- BOI
1 stop19h 15m
Frontier
Tue 7/211:24 pm
BOI
- IAH
1 stop10h 16m
Frontier
Deal found 6/12![Frontier logo]()
$280
This Alaska Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 7/256:02 am
IAH
- GEG
1 stop8h 24m
Alaska Airlines
Sat 8/15:00 am
GEG
- IAH
1 stop6h 35m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$309
This Frontier deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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 7/2710:09 pm
IAH
- BOI
1 stop15h 20m
Frontier
Tue 8/41:24 pm
BOI
- IAH
1 stop20h 10m
Frontier
Deal found 6/13![Frontier logo]()
$281
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 June 15, 2026.
Search for one-way flight options from Houston to Idaho. Find affordable one-way fares based on user searches. Data last updated June 15, 2026.
This Priceline deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 7/76:30 am
IAH
- BOI
1 stop6h 59m
Frontier
Deal found 6/11![Frontier logo]()
$120
This Booking.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:14 pm
IAH
- BOI
1 stop19h 15m
Frontier
Deal found 6/11![Frontier logo]()
$132
This Trip.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 7/256:14 pm
IAH
- BOI
1 stop19h 15m
Frontier
Deal found 6/11![Frontier logo]()
$135
This Delta deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” 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 7/107:01 pm
IAH
- GEG
1 stop6h 54m
Delta
Deal found 6/14![Delta logo]()
$150
This Expedia deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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.
Tue 6/306:19 pm
IAH
- BOI
1 stop6h 29m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$153
This Priceline deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/166:30 am
IAH
- BOI
1 stop6h 59m
Frontier
Deal found 6/14![Frontier logo]()
$154
This Priceline deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 7/56:30 am
IAH
- BOI
1 stop6h 59m
Frontier
Deal found 6/10![Frontier logo]()
$155
This American Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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.
Mon 7/135:39 pm
IAH
- GEG
1 stop7h 27m
American Airlines
Deal found 6/10![American Airlines logo]()
$160
This United Airlines deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/54:31 pm
IAH
- BOI
1 stop6h 34m
United Airlines
Deal found 6/14![United Airlines logo]()
$160
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 9/33:15 pm
IAH
- GEG
2 stops9h 54m
Delta
Deal found 6/10![Delta logo]()
$165
This Delta deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” 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 8/54:14 pm
IAH
- BOI
2 stops8h 45m
Delta
Deal found 6/14![Delta logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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 8/239:10 pm
IAH
- IDA
1 stop14h 37m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$174
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 June 15, 2026.
Round-trip from | $205 (Southwest) |
|---|---|
One-way from | $120 (Priceline) |
Popular in | March |
Cheapest in | August |
Average price | $383 |
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 June 15, 2026.
Use the filters below to find and compare flights from Houston to Idaho that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
HoustonBoise
HOU - BOI
HOUBOI
Houston Hobby
Wed 8/5
1:05 pm-11:20 pm
1 stop11h 15m
Boise Air Term. Gowen Fld
Tue 8/11
7:05 am-1:40 pm
1 stop5h 35m
$217
HoustonBoise
HOU - BOI
HOUBOI
Houston Hobby
Sat 8/8
8:10 am-2:45 pm
1 stop7h 35m
Boise Air Term. Gowen Fld
Tue 8/11
7:05 am-1:40 pm
1 stop5h 35m
$232
HoustonBoise
IAH - BOI
IAHBOI
Houston George Bush Intcntl
Wed 8/19
4:14 pm-11:59 pm
2 stops8h 45m
Boise Air Term. Gowen Fld
Sat 8/22
6:00 am-3:14 pm
2 stops8h 14m
$241
HoustonBoise
IAH - BOI
IAHBOI
Houston George Bush Intcntl
Thu 8/20
6:30 am-12:09 pm
1 stop6h 39m
Boise Air Term. Gowen Fld
Mon 8/24
2:17 pm-11:59 pm
1 stop8h 42m
$247
HoustonBoise
IAH - BOI
IAHBOI
Houston George Bush Intcntl
Tue 8/18
6:02 am-12:26 pm
1 stop7h 24m
Boise Air Term. Gowen Fld
Wed 8/19
2:17 pm-11:59 pm
1 stop8h 42m
$253
HoustonBoise
IAH - BOI
IAHBOI
Houston George Bush Intcntl
Thu 8/20
2:27 pm-11:59 pm
2 stops10h 32m
Boise Air Term. Gowen Fld
Mon 8/24
1:06 pm-11:54 pm
2 stops9h 48m
$263
HoustonBoise
IAH - BOI
IAHBOI
Houston George Bush Intcntl
Sat 8/8
6:02 am-12:47 pm
1 stop7h 45m
Boise Air Term. Gowen Fld
Sun 8/16
1:24 pm-10:34 am
1 stop20h 10m
$268
HoustonSpokane
HOU - GEG
HOUGEG
Houston Hobby
Sat 8/8
5:40 am-12:05 pm
1 stop8h 25m
Spokane
Sat 9/12
6:15 am-4:55 pm
2 stops8h 40m
$272
HoustonSpokane
IAH - GEG
IAHGEG
Houston George Bush Intcntl
Sat 8/8
2:28 pm-9:35 pm
2 stops9h 07m
Spokane
Sat 9/12
1:30 pm-9:38 pm
1 stop6h 08m
$278
HoustonSpokane
HOU - GEG
HOUGEG
Houston Hobby
Thu 9/24
6:10 pm-10:00 pm
1 stop5h 50m
Spokane
Sun 9/27
4:40 pm-12:50 am
1 stop6h 10m
$285
Showing 1-10 of 60 resultsSorted by cheapest first
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
HOU-GEG
IAH-BOI
HOU-IDA
IAH-IDA
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Houston to Idaho
HO1-USID
IAH-GEG
HOU-GEG
IAH-BOI
HOU-IDA
What is the cheapest month to book a flight from Houston to Idaho?
Currently, May is the cheapest month in which you can book a flight from Houston to Idaho (average of $77). Flying from Houston to Idaho in August is currently the most expensive (average of $237). 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 Houston to Idaho?
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 June 15, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Southwest, andDelta 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.
Entertainment
7.0
Food
7.0
Comfort
7.8
Boarding
8.1
Crew
8.5
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Food
7.0
Comfort
7.8
Boarding
8.1
Crew
8.5
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Food
7.0
Comfort
7.8
Boarding
8.1
Crew
8.5
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Food
7.0
Comfort
7.8
Boarding
8.1
Crew
8.5
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Food
7.0
Comfort
7.8
Boarding
8.1
Crew
8.5
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Food
7.0
Comfort
7.8
Boarding
8.1
Crew
8.5
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
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.
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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Houston 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 Houston to Idaho by cabin class
Find flights from Houston to Idaho, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Houston and Idaho flights
Browse other Houston and Idaho flight options. Last updated on June 15, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Houston to Idaho flights
Consider these flights traveling from Houston to Idaho.
Top 6 airlines flying from Houston to Idaho
Discover the top 6 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 June 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$77 | Average$260 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$135 | Average$345 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$215 | Average$457 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$248 | Average$408 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$250 | Average$381 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$258 | Average$443 | FlexibilityNo cancel fee | On-time63% |