$105+ 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — BOI
Apr 17 — Apr 241
Round-trip
1 adult, Economy
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Find cheap flights from Houston to Idaho with Cheapflights
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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 March 18, 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 March 18, 2026.
This Priceline deal was found by Cheapflights users on 3/13. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:30 am
IAH
- GEG
1 stop7h 08m
Frontier
Wed 5/1312:33 pm
GEG
- IAH
1 stop10h 11m
Frontier
Deal found 3/13![Frontier logo]()
$210
This Priceline deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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 4/96:45 am
IAH
- BOI
1 stop5h 23m
Frontier
Sun 4/1212:03 pm
BOI
- IAH
1 stop9h 02m
Frontier
Deal found 3/17![Frontier logo]()
$210
This Expedia deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” 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 4/306:45 am
IAH
- GEG
1 stop6h 04m
Multiple Airlines
Tue 5/55:00 am
GEG
- IAH
1 stop8h 46m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$240
This Southwest deal was found by Cheapflights users on 3/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:35 pm
HOU
- GEG
1 stop6h 50m
Southwest
Fri 5/152:50 pm
GEG
- HOU
1 stop7h 35m
Southwest
Deal found 3/13![Southwest logo]()
$249
This Frontier deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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.
Sun 4/196:45 am
IAH
- GEG
1 stop6h 04m
Frontier
Thu 4/2311:44 am
GEG
- IAH
1 stop11h 04m
Frontier
Deal found 3/16![Frontier logo]()
$250
This Frontier deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” 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 5/196:30 am
IAH
- BOI
1 stop6h 57m
Frontier
Sun 5/241:25 pm
BOI
- IAH
1 stop10h 19m
Frontier
Deal found 3/15![Frontier logo]()
$250
This Expedia deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” 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 4/26:45 am
IAH
- BOI
1 stop5h 23m
Frontier
Sun 4/512:03 pm
BOI
- IAH
1 stop11h 45m
Frontier
Deal found 3/15![Frontier logo]()
$260
This CheapOair deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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.
Sat 5/235:40 pm
IAH
- BOI
1 stop19h 50m
Frontier
Tue 5/261:25 pm
BOI
- IAH
1 stop20h 19m
Frontier
Deal found 3/16![Frontier logo]()
$261
This Southwest deal was found by Cheapflights users on 3/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/298:50 am
HOU
- GEG
1 stop6h 15m
Southwest
Sat 5/25:45 am
GEG
- HOU
1 stop7h 25m
Southwest
Deal found 3/14![Southwest logo]()
$264
This Delta deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” 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 5/12:20 pm
IAH
- GEG
1 stop8h 45m
Delta
Mon 5/410:40 pm
GEG
- IAH
1 stop10h 34m
Delta
Deal found 3/15![Delta logo]()
$269
This Southwest deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” 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 4/308:15 pm
HOU
- GEG
1 stop6h 15m
Southwest
Tue 5/56:30 am
GEG
- HOU
1 stop7h 40m
Southwest
Deal found 3/15![Southwest logo]()
$269
This CheapOair deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 4/19:50 am
IAH
- BOI
1 stop26h 18m
Frontier
Sun 4/512:03 pm
BOI
- IAH
1 stop11h 45m
Frontier
Deal found 3/16![Frontier logo]()
$272
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 March 18, 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 March 18, 2026.
This Southwest deal was found by Cheapflights users on 3/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/124:30 pm
HOU
- GEG
2 stops8h 25m
Southwest
Fri 5/155:35 pm
GEG
- HOU
2 stops9h 15m
Southwest
Deal found 3/13![Southwest logo]()
$259
This Delta deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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 8/296:30 am
IAH
- GEG
1 stop8h 37m
Delta
Sat 9/51:30 pm
GEG
- IAH
1 stop6h 08m
Delta
Deal found 3/17![Delta logo]()
$269
This United Airlines deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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 4/172:50 pm
IAH
- BOI
1 stop7h 27m
United Airlines
Mon 4/205:29 pm
BOI
- IAH
1 stop5h 30m
United Airlines
Deal found 3/17![United Airlines logo]()
$319
This Alaska Airlines deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/37:00 am
IAH
- BOI
1 stop8h 02m
Alaska Airlines
Tue 9/812:10 pm
BOI
- IAH
1 stop7h 20m
Alaska Airlines
Deal found 3/15![Alaska Airlines logo]()
$409
This American Airlines deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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 7/15:00 am
IAH
- BOI
1 stop7h 19m
American Airlines
Tue 7/73:06 pm
BOI
- IAH
1 stop7h 44m
American Airlines
Deal found 3/17![American Airlines logo]()
$413
This Delta deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” 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 4/296:25 am
IAH
- GEG
1 stop8h 39m
Delta
Sat 5/26:00 am
GEG
- IAH
1 stop7h 58m
Delta
Deal found 3/15![Delta logo]()
$269
This Southwest deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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 4/186:15 am
HOU
- GEG
1 stop5h 50m
Southwest
Fri 4/242:50 pm
GEG
- HOU
1 stop7h 35m
Southwest
Deal found 3/18![Southwest logo]()
$269
This Delta deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” 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 7/115:50 pm
IAH
- GEG
1 stop7h 14m
Delta
Thu 7/231:30 pm
GEG
- IAH
1 stop6h 08m
Delta
Deal found 3/15![Delta logo]()
$269
This Southwest deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” 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 4/308:15 pm
HOU
- GEG
1 stop6h 15m
Southwest
Tue 5/56:30 am
GEG
- HOU
1 stop7h 40m
Southwest
Deal found 3/15![Southwest logo]()
$269
This United Airlines deal was found by Cheapflights users on 3/13. 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.
Thu 7/95:22 am
IAH
- GEG
1 stop7h 05m
United Airlines
Mon 7/134:18 pm
GEG
- IAH
1 stop5h 41m
United Airlines
Deal found 3/13![United Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 3/13. 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.
Wed 5/62:20 pm
IAH
- GEG
1 stop8h 45m
Delta
Wed 5/135:00 am
GEG
- IAH
2 stops12h 09m
Delta
Deal found 3/13![Delta logo]()
$274
This Southwest deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 5/98:20 am
HOU
- GEG
2 stops9h 45m
Southwest
Mon 5/115:00 am
GEG
- HOU
1 stop11h 35m
Southwest
Deal found 3/16![Southwest logo]()
$280
This Delta deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” 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 4/216:32 pm
IAH
- GEG
1 stop7h 02m
Delta
Tue 4/2811:25 am
GEG
- IAH
2 stops10h 23m
Delta
Deal found 3/15![Delta logo]()
$274
This Southwest deal was found by Cheapflights users on 3/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/85:30 am
HOU
- GEG
1 stop5h 40m
Southwest
Mon 6/1512:55 pm
GEG
- HOU
1 stop10h 35m
Southwest
Deal found 3/13![Southwest logo]()
$288
This United Airlines deal was found by Cheapflights users on 3/14. 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.
Fri 5/296:30 am
IAH
- IDA
1 stop7h 55m
United Airlines
Sat 5/305:54 pm
IDA
- IAH
1 stop5h 05m
United Airlines
Deal found 3/14![United Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 7/46:30 am
IAH
- IDA
1 stop7h 55m
United Airlines
Sat 7/115:54 pm
IDA
- IAH
1 stop5h 05m
United Airlines
Deal found 3/16![United Airlines logo]()
$349
This Alaska Airlines deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” 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 4/156:00 am
IAH
- BOI
1 stop7h 51m
Alaska Airlines
Sat 4/186:00 am
BOI
- IAH
2 stops12h 11m
Alaska Airlines
Deal found 3/15![Alaska Airlines logo]()
$434
This American Airlines deal was found by Cheapflights users on 3/13. 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.
Tue 5/2612:50 pm
HOU
- JAC
1 stop7h 34m
American Airlines
Tue 6/24:14 pm
JAC
- HOU
1 stop6h 45m
American Airlines
Deal found 3/13![American Airlines logo]()
$449
This Delta deal was found by Cheapflights users on 3/14. 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 5/235:54 pm
IAH
- BOI
1 stop6h 52m
Delta
Tue 5/2611:39 pm
BOI
- IAH
1 stop8h 08m
Delta
Deal found 3/14![Delta logo]()
$309
This Southwest deal was found by Cheapflights users on 3/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:25 pm
HOU
- BOI
1 stop7h 40m
Southwest
Mon 6/812:05 pm
BOI
- HOU
2 stops8h 50m
Southwest
Deal found 3/14![Southwest logo]()
$314
This United Airlines deal was found by Cheapflights users on 3/13. 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.
Mon 7/138:20 am
IAH
- BOI
1 stop9h 24m
United Airlines
Mon 7/205:46 pm
BOI
- IAH
1 stop5h 13m
United Airlines
Deal found 3/13![United Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 7/46:30 am
IAH
- WYS
1 stop8h 02m
United Airlines
Sat 7/115:45 pm
WYS
- IAH
1 stop5h 56m
United Airlines
Deal found 3/16![United Airlines logo]()
$352
This Southwest deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 7/156:20 am
HOU
- GEG
1 stop7h 25m
Southwest
Wed 7/2210:20 am
GEG
- HOU
1 stop8h 15m
Southwest
Deal found 3/16![Southwest logo]()
$324
This Delta deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 4/146:32 pm
IAH
- IDA
1 stop5h 08m
Delta
Tue 4/215:47 am
IDA
- IAH
1 stop5h 00m
Delta
Deal found 3/16![Delta logo]()
$337
This Alaska Airlines deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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 6/116:19 pm
IAH
- IDA
1 stop19h 47m
Alaska Airlines
Sun 6/144:14 pm
IDA
- IAH
1 stop20h 18m
Alaska Airlines
Deal found 3/18![Alaska Airlines logo]()
$499
This American Airlines deal was found by Cheapflights users on 3/13. 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.
Fri 7/246:05 am
HOU
- JAC
1 stop5h 09m
American Airlines
Thu 7/304:14 pm
JAC
- HOU
1 stop6h 45m
American Airlines
Deal found 3/13![American Airlines logo]()
$504
This Delta deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 4/186:25 am
IAH
- GEG
1 stop8h 39m
Delta
Thu 4/236:15 am
GEG
- IAH
2 stops13h 19m
Delta
Deal found 3/16![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 3/14. 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 4/155:00 am
IAH
- BOI
1 stop7h 06m
United Airlines
Sat 4/1812:30 pm
BOI
- IAH
1 stop6h 59m
United Airlines
Deal found 3/14![United Airlines logo]()
$381
This Southwest deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/125:30 am
HOU
- BOI
1 stop6h 55m
Southwest
Wed 6/174:05 pm
BOI
- HOU
1 stop5h 25m
Southwest
Deal found 3/15![Southwest logo]()
$349
This American Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 4/146:01 am
HOU
- IDA
1 stop8h 12m
American Airlines
Tue 4/211:43 pm
IDA
- HOU
1 stop5h 08m
American Airlines
Deal found 3/16![American Airlines logo]()
$579
Last-minute flights from Houston to IdahoDiscover last-minute flight deals from Houston to Idaho. Data last updated March 18, 2026 and is based on user searches.
Discover last-minute flight deals from Houston to Idaho. Data last updated March 18, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” 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 3/266:45 am
IAH
- GEG
1 stop6h 02m
Frontier
Sun 3/2911:33 am
GEG
- IAH
1 stop8h 28m
Frontier
Deal found 3/15![Frontier logo]()
$295
This CheapOair deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 4/19:50 am
IAH
- BOI
1 stop26h 18m
Frontier
Sun 4/512:03 pm
BOI
- IAH
1 stop11h 45m
Frontier
Deal found 3/16![Frontier logo]()
$272
This Expedia deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” 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 4/26:45 am
IAH
- BOI
1 stop5h 23m
Frontier
Sun 4/512:03 pm
BOI
- IAH
1 stop11h 45m
Frontier
Deal found 3/15![Frontier logo]()
$260
This Southwest deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 4/76:35 pm
HOU
- BOI
1 stop5h 55m
Southwest
Fri 4/104:20 pm
BOI
- HOU
1 stop7h 05m
Southwest
Deal found 3/16![Southwest logo]()
$313
This Priceline deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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 4/96:45 am
IAH
- BOI
1 stop5h 23m
Frontier
Sun 4/1212:03 pm
BOI
- IAH
1 stop9h 02m
Frontier
Deal found 3/17![Frontier logo]()
$210
This Southwest deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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 4/98:15 pm
HOU
- BOI
1 stop5h 45m
Southwest
Sun 4/1211:05 am
BOI
- HOU
1 stop7h 50m
Southwest
Deal found 3/18![Southwest logo]()
$319
This United Airlines deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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 4/172:50 pm
IAH
- BOI
1 stop7h 27m
United Airlines
Mon 4/205:29 pm
BOI
- IAH
1 stop5h 30m
United Airlines
Deal found 3/17![United Airlines logo]()
$319
This Frontier deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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.
Sun 4/196:45 am
IAH
- GEG
1 stop6h 04m
Frontier
Thu 4/2311:44 am
GEG
- IAH
1 stop11h 04m
Frontier
Deal found 3/16![Frontier logo]()
$250
This Delta deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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 4/216:25 am
IAH
- GEG
1 stop8h 39m
Delta
Tue 4/2810:40 pm
GEG
- IAH
1 stop8h 02m
Delta
Deal found 3/17![Delta logo]()
$269
This Southwest deal was found by Cheapflights users on 3/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/298:50 am
HOU
- GEG
1 stop6h 15m
Southwest
Sat 5/25:45 am
GEG
- HOU
1 stop7h 25m
Southwest
Deal found 3/14![Southwest logo]()
$264
This Expedia deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” 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 4/306:45 am
IAH
- GEG
1 stop6h 04m
Multiple Airlines
Tue 5/55:00 am
GEG
- IAH
1 stop8h 46m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$240
This Southwest deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” 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 4/308:15 pm
HOU
- GEG
1 stop6h 15m
Southwest
Tue 5/56:30 am
GEG
- HOU
1 stop7h 40m
Southwest
Deal found 3/15![Southwest logo]()
$269
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 March 18, 2026.
Search for one-way flight options from Houston to Idaho. Find affordable one-way fares based on user searches. Data last updated March 18, 2026.
This Frontier deal was found by Cheapflights users on 3/13. 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.
Thu 4/306:45 am
IAH
- GEG
1 stop6h 04m
Frontier
Deal found 3/13![Frontier logo]()
$105
This Priceline deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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 4/126:45 am
IAH
- BOI
1 stop5h 23m
Frontier
Deal found 3/17![Frontier logo]()
$105
This Booking.com deal was found by Cheapflights users on 3/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/212:37 pm
IAH
- GEG
1 stop24h 12m
Frontier
Deal found 3/13![Frontier logo]()
$116
This Orbitz deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 5/246:30 am
IAH
- BOI
1 stop7h 00m
Frontier
Deal found 3/16![Frontier logo]()
$125
This Southwest deal was found by Cheapflights users on 3/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/26:15 am
HOU
- GEG
1 stop5h 50m
Southwest
Deal found 3/13![Southwest logo]()
$125
This Frontier deal was found by Cheapflights users on 3/13. 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.
Sun 4/266:45 am
IAH
- GEG
1 stop6h 04m
Frontier
Deal found 3/13![Frontier logo]()
$126
This Delta deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 4/146:25 am
IAH
- GEG
1 stop8h 39m
Delta
Deal found 3/16![Delta logo]()
$135
This Delta deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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 4/151:31 pm
HOU
- GEG
1 stop10h 00m
Delta
Deal found 3/17![Delta logo]()
$135
This Southwest deal was found by Cheapflights users on 3/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:35 pm
HOU
- BOI
1 stop6h 50m
Southwest
Deal found 3/14![Southwest logo]()
$136
This American Airlines deal was found by Cheapflights users on 3/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/144:42 pm
IAH
- BOI
1 stop6h 56m
American Airlines
Deal found 3/14![American Airlines logo]()
$136
This CheapOair deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 5/1810:05 pm
IAH
- BOI
1 stop15h 22m
Frontier
Deal found 3/16![Frontier logo]()
$137
This Delta deal was found by Cheapflights users on 3/13. 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 4/2812:40 pm
IAH
- GEG
2 stops12h 35m
Delta
Deal found 3/13![Delta logo]()
$140
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 March 18, 2026.
Round-trip from | $210 (Priceline) |
|---|---|
One-way from | $105 (Frontier) |
Popular in | March |
Cheapest in | August |
Average price | $513 |
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 March 18, 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
HoustonSpokane
HOU - GEG
HOUGEG
Houston Hobby
Tue 5/12
4:30 pm-10:55 pm
2 stops8h 25m
Spokane
Fri 5/15
5:35 pm-4:50 am
2 stops9h 15m
$259
HoustonSpokane
IAH - GEG
IAHGEG
Houston George Bush Intcntl
Sat 8/29
6:30 am-1:07 pm
1 stop8h 37m
Spokane
Sat 9/5
1:30 pm-9:38 pm
1 stop6h 08m
$269
HoustonSpokane
IAH - GEG
IAHGEG
Houston George Bush Intcntl
Wed 4/29
6:25 am-1:04 pm
1 stop8h 39m
Spokane
Sat 5/2
6:00 am-3:58 pm
1 stop7h 58m
$269
HoustonSpokane
HOU - GEG
HOUGEG
Houston Hobby
Sat 4/18
6:15 am-10:05 am
1 stop5h 50m
Spokane
Fri 4/24
2:50 pm-12:25 am
1 stop7h 35m
$269
HoustonSpokane
IAH - GEG
IAHGEG
Houston George Bush Intcntl
Sat 7/11
5:50 pm-11:04 pm
1 stop7h 14m
Spokane
Thu 7/23
1:30 pm-9:38 pm
1 stop6h 08m
$269
HoustonSpokane
HOU - GEG
HOUGEG
Houston Hobby
Thu 4/30
8:15 pm-12:30 am
1 stop6h 15m
Spokane
Tue 5/5
6:30 am-4:10 pm
1 stop7h 40m
$269
HoustonSpokane
IAH - GEG
IAHGEG
Houston George Bush Intcntl
Wed 5/6
2:20 pm-9:05 pm
1 stop8h 45m
Spokane
Wed 5/13
5:00 am-7:09 pm
2 stops12h 09m
$274
HoustonSpokane
IAH - GEG
IAHGEG
Houston George Bush Intcntl
Tue 4/21
6:32 pm-11:34 pm
1 stop7h 02m
Spokane
Tue 4/28
11:25 am-11:48 pm
2 stops10h 23m
$274
HoustonSpokane
HOU - GEG
HOUGEG
Houston Hobby
Sat 5/9
8:20 am-4:05 pm
2 stops9h 45m
Spokane
Mon 5/11
5:00 am-6:35 pm
1 stop11h 35m
$280
HoustonSpokane
HOU - GEG
HOUGEG
Houston Hobby
Mon 6/8
5:30 am-9:10 am
1 stop5h 40m
Spokane
Mon 6/15
12:55 pm-1:30 am
1 stop10h 35m
$288
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-BOI
IAH-GEG
HOU-GEG
HOU-BOI
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-BOI
IAH-GEG
HOU-GEG
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 March 18, 2026.
Get a feel of what it's like to fly with Southwest,Alaska Airlines, 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.
Food
7.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Food
7.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Food
7.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Food
7.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Food
7.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Food
7.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
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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Alternative routes for Houston to Idaho
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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 March 18, 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 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 March 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$211 | Average$384 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$211 | Average$372 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$215 | Average$462 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$248 | Average$433 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$250 | Average$401 | FlexibilityNo cancel fee | On-time71% |