$108+ 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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — HOU
Jul 19 — Jul 261
Round-trip
1 adult, Economy
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Find cheap flights from Idaho to Houston with Cheapflights
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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 June 19, 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 June 19, 2026.
This Expedia deal was found by Cheapflights users on 6/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/211:24 pm
BOI
- IAH
1 stop20h 10m
Frontier
Tue 7/286:30 am
IAH
- BOI
1 stop6h 59m
Frontier
Deal found 6/18![Frontier logo]()
$250
This Frontier deal was found by Cheapflights users on 6/18. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/61:24 pm
BOI
- IAH
1 stop6h 50m
Frontier
Wed 8/126:14 pm
IAH
- BOI
1 stop19h 15m
Frontier
Deal found 6/18![Frontier logo]()
$255
This Priceline deal was found by Cheapflights users on 6/17. 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 8/91:24 pm
BOI
- IAH
1 stop10h 16m
Frontier
Tue 8/116:30 am
IAH
- BOI
1 stop6h 59m
Frontier
Deal found 6/17![Frontier logo]()
$262
This Frontier deal was found by Cheapflights users on 6/15. 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 7/301:24 pm
BOI
- IAH
1 stop10h 16m
Frontier
Wed 8/56:14 pm
IAH
- BOI
1 stop19h 15m
Frontier
Deal found 6/15![Frontier logo]()
$264
This Priceline deal was found by Cheapflights users on 6/17. 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 8/91:24 pm
BOI
- IAH
1 stop10h 16m
Frontier
Thu 8/136:30 am
IAH
- BOI
1 stop6h 59m
Frontier
Deal found 6/17![Frontier logo]()
$267
This Booking.com deal was found by Cheapflights users on 6/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/91:24 pm
BOI
- IAH
1 stop10h 16m
Frontier
Wed 8/126:14 pm
IAH
- BOI
1 stop19h 15m
Frontier
Deal found 6/17![Frontier logo]()
$274
This Frontier deal was found by Cheapflights users on 6/18. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/91:24 pm
BOI
- IAH
1 stop10h 16m
Frontier
Tue 7/146:30 am
IAH
- BOI
1 stop6h 59m
Frontier
Deal found 6/18![Frontier logo]()
$284
This Frontier deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 7/161:24 pm
BOI
- IAH
1 stop6h 50m
Frontier
Sun 7/196:30 am
IAH
- BOI
1 stop6h 59m
Frontier
Deal found 6/19![Frontier logo]()
$291
This Priceline deal was found by Cheapflights users on 6/17. 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.
Tue 7/211:24 pm
BOI
- IAH
1 stop10h 16m
Frontier
Thu 7/236:30 am
IAH
- BOI
1 stop6h 59m
Frontier
Deal found 6/17![Frontier logo]()
$295
This Booking.com deal was found by Cheapflights users on 6/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/15:57 am
BOI
- IAH
1 stop6h 38m
Multiple Airlines
Wed 7/86:14 pm
IAH
- BOI
1 stop19h 15m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 6/16. 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 9/1912:38 pm
GEG
- HOU
1 stop7h 57m
Delta
Wed 9/236:00 am
HOU
- GEG
1 stop7h 28m
Delta
Deal found 6/16![Delta logo]()
$299
This Delta deal was found by Cheapflights users on 6/16. 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 9/227:00 am
GEG
- IAH
1 stop8h 39m
Delta
Tue 9/297:00 pm
IAH
- GEG
1 stop6h 57m
Delta
Deal found 6/16![Delta logo]()
$299
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 June 19, 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 June 19, 2026.
This Delta deal was found by Cheapflights users on 6/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:16 am
GEG
- IAH
1 stop6h 58m
Delta
Tue 8/185:48 pm
IAH
- GEG
1 stop7h 21m
Delta
Deal found 6/18![Delta logo]()
$299
This Alaska Airlines deal was found by Cheapflights users on 6/18. 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.
Tue 9/225:12 am
GEG
- IAH
1 stop6h 19m
Alaska Airlines
Wed 9/306:16 pm
IAH
- GEG
1 stop6h 55m
Alaska Airlines
Deal found 6/18![Alaska Airlines logo]()
$299
This Southwest deal was found by Cheapflights users on 6/16. 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.
Thu 8/64:55 pm
BOI
- HOU
1 stop6h 10m
Southwest
Tue 8/112:45 pm
HOU
- BOI
1 stop6h 00m
Southwest
Deal found 6/16![Southwest logo]()
$323
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/21:25 pm
BOI
- IAH
1 stop6h 48m
Frontier
Mon 7/66:14 pm
IAH
- BOI
1 stop19h 15m
Frontier
Deal found 6/14![Frontier logo]()
$345
This United Airlines deal was found by Cheapflights users on 6/17. 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.
Thu 9/172:25 pm
IDA
- IAH
1 stop6h 16m
United Airlines
Sat 9/195:15 am
IAH
- IDA
1 stop5h 38m
United Airlines
Deal found 6/17![United Airlines logo]()
$351
This Delta deal was found by Cheapflights users on 6/16. 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 9/227:00 am
GEG
- IAH
1 stop8h 39m
Delta
Tue 9/297:00 pm
IAH
- GEG
1 stop6h 57m
Delta
Deal found 6/16![Delta logo]()
$299
This Alaska Airlines deal was found by Cheapflights users on 6/18. 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.
Sat 9/191:36 pm
GEG
- IAH
1 stop8h 23m
Alaska Airlines
Wed 9/306:16 pm
IAH
- GEG
1 stop6h 55m
Alaska Airlines
Deal found 6/18![Alaska Airlines logo]()
$299
This American Airlines deal was found by Cheapflights users on 6/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/37:00 am
IDA
- HOU
1 stop7h 45m
American Airlines
Sun 7/56:03 am
HOU
- IDA
1 stop7h 20m
American Airlines
Deal found 6/15![American Airlines logo]()
$613
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/213:00 pm
BOI
- HOU
1 stop8h 30m
Southwest
Tue 7/286:00 pm
HOU
- BOI
2 stops7h 35m
Southwest
Deal found 6/14![Southwest logo]()
$324
This Delta deal was found by Cheapflights users on 6/17. 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 9/225:40 am
GEG
- IAH
1 stop5h 49m
Delta
Wed 9/307:00 pm
IAH
- GEG
1 stop6h 57m
Delta
Deal found 6/17![Delta logo]()
$299
This Alaska Airlines deal was found by Cheapflights users on 6/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:46 pm
IDA
- IAH
1 stop9h 13m
Alaska Airlines
Sat 10/312:52 pm
IAH
- IDA
1 stop9h 02m
Alaska Airlines
Deal found 6/17![Alaska Airlines logo]()
$311
This Delta deal was found by Cheapflights users on 6/17. 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.
Thu 7/911:30 am
GEG
- IAH
2 stops10h 29m
Delta
Mon 7/137:01 pm
IAH
- GEG
1 stop6h 54m
Delta
Deal found 6/17![Delta logo]()
$304
This Southwest deal was found by Cheapflights users on 6/18. 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 9/173:45 pm
BOI
- HOU
1 stop7h 50m
Southwest
Mon 9/216:05 pm
HOU
- BOI
1 stop6h 30m
Southwest
Deal found 6/18![Southwest logo]()
$337
This United Airlines deal was found by Cheapflights users on 6/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/35:54 pm
IDA
- IAH
1 stop5h 47m
United Airlines
Sun 7/55:15 am
IAH
- IDA
1 stop5h 35m
United Airlines
Deal found 6/18![United Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 6/16. 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.
Wed 7/12:04 pm
BOI
- IAH
1 stop8h 52m
Delta
Tue 7/77:01 pm
IAH
- BOI
1 stop6h 04m
Delta
Deal found 6/16![Delta logo]()
$312
This Southwest deal was found by Cheapflights users on 6/15. 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.
Tue 7/143:00 pm
BOI
- HOU
1 stop8h 30m
Southwest
Wed 7/226:25 am
HOU
- BOI
1 stop5h 40m
Southwest
Deal found 6/15![Southwest logo]()
$344
This Delta deal was found by Cheapflights users on 6/17. 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 6/3011:59 am
BOI
- IAH
1 stop4h 56m
Delta
Wed 7/87:01 pm
IAH
- BOI
1 stop6h 04m
Delta
Deal found 6/17![Delta logo]()
$313
This Southwest deal was found by Cheapflights users on 6/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/143:00 pm
BOI
- HOU
1 stop8h 30m
Southwest
Sat 7/185:10 pm
HOU
- BOI
2 stops8h 20m
Southwest
Deal found 6/17![Southwest logo]()
$349
This Orbitz deal was found by Cheapflights users on 6/16. 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.
Fri 9/113:57 pm
IDA
- IAH
1 stop20h 34m
Alaska Airlines
Mon 9/216:16 pm
IAH
- IDA
1 stop20h 08m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$420
This Delta deal was found by Cheapflights users on 6/15. 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 7/111:59 am
BOI
- IAH
2 stops10h 57m
Delta
Wed 7/87:10 am
IAH
- BOI
1 stop8h 36m
Delta
Deal found 6/15![Delta logo]()
$317
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/93:40 pm
BOI
- HOU
1 stop5h 30m
Southwest
Fri 9/1112:15 pm
HOU
- BOI
2 stops7h 55m
Southwest
Deal found 6/14![Southwest logo]()
$381
This United Airlines deal was found by Cheapflights users on 6/16. 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 7/117:00 am
JAC
- IAH
Nonstop3h 17m
United Airlines
Sat 7/185:15 am
IAH
- JAC
1 stop5h 31m
United Airlines
Deal found 6/16![United Airlines logo]()
$508
This Delta deal was found by Cheapflights users on 6/17. 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 9/227:00 am
GEG
- HOU
2 stops13h 35m
Delta
Tue 9/296:00 am
HOU
- GEG
1 stop7h 28m
Delta
Deal found 6/17![Delta logo]()
$324
This United Airlines deal was found by Cheapflights users on 6/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/104:23 pm
JAC
- IAH
1 stop5h 43m
United Airlines
Mon 7/1312:33 pm
IAH
- JAC
1 stop6h 20m
United Airlines
Deal found 6/15![United Airlines logo]()
$509
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.
Tue 8/46:00 am
BOI
- IAH
1 stop6h 37m
Delta
Mon 8/102:28 pm
IAH
- BOI
2 stops9h 02m
Delta
Deal found 6/14![Delta logo]()
$333
This American Airlines deal was found by Cheapflights users on 6/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/104:04 pm
JAC
- HOU
1 stop6h 52m
American Airlines
Mon 7/136:03 am
HOU
- JAC
1 stop5h 11m
American Airlines
Deal found 6/15![American Airlines logo]()
$649
This Southwest deal was found by Cheapflights users on 6/15. 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.
Wed 7/812:25 pm
GEG
- HOU
1 stop8h 50m
Southwest
Mon 7/277:50 pm
HOU
- GEG
1 stop7h 35m
Southwest
Deal found 6/15![Southwest logo]()
$418
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/262:10 pm
JAC
- IAH
1 stop22h 21m
Alaska Airlines
Wed 9/302:34 pm
IAH
- JAC
1 stop21h 48m
Alaska Airlines
Deal found 6/14![Alaska Airlines logo]()
$509
This Delta deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 9/171:06 pm
BOI
- IAH
2 stops9h 43m
Delta
Mon 9/217:05 am
IAH
- BOI
1 stop8h 39m
Delta
Deal found 6/19![Delta logo]()
$342
This United Airlines deal was found by Cheapflights users on 6/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/174:23 pm
JAC
- IAH
1 stop7h 18m
United Airlines
Fri 7/246:10 pm
IAH
- JAC
Nonstop3h 26m
United Airlines
Deal found 6/18![United Airlines logo]()
$561
Last-minute flights from Idaho to HoustonDiscover last-minute flight deals from Idaho to Houston. Data last updated June 19, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to Houston. Data last updated June 19, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/15. 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 6/3011:59 am
BOI
- IAH
1 stop4h 56m
Delta
Sat 7/45:40 am
IAH
- BOI
1 stop8h 14m
Delta
Deal found 6/15![Delta logo]()
$305
This Booking.com deal was found by Cheapflights users on 6/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/15:57 am
BOI
- IAH
1 stop6h 38m
Multiple Airlines
Wed 7/86:14 pm
IAH
- BOI
1 stop19h 15m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$297
This Frontier deal was found by Cheapflights users on 6/16. 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.
Tue 7/71:24 pm
BOI
- IAH
1 stop10h 16m
Frontier
Tue 7/146:30 am
IAH
- BOI
1 stop6h 59m
Frontier
Deal found 6/16![Frontier logo]()
$299
This Frontier deal was found by Cheapflights users on 6/18. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/91:24 pm
BOI
- IAH
1 stop10h 16m
Frontier
Tue 7/146:30 am
IAH
- BOI
1 stop6h 59m
Frontier
Deal found 6/18![Frontier logo]()
$284
This CheapOair deal was found by Cheapflights users on 6/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/91:24 pm
BOI
- IAH
1 stop20h 10m
Frontier
Mon 7/206:14 pm
IAH
- BOI
1 stop19h 15m
Frontier
Deal found 6/18![Frontier logo]()
$301
This Delta deal was found by Cheapflights users on 6/16. 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.
Thu 7/99:27 am
GEG
- IAH
2 stops12h 32m
Delta
Tue 7/287:35 am
IAH
- GEG
1 stop6h 37m
Delta
Deal found 6/16![Delta logo]()
$304
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 7/1010:48 pm
GEG
- IAH
1 stop7h 49m
Delta
Mon 7/137:01 pm
IAH
- GEG
1 stop6h 54m
Delta
Deal found 6/14![Delta logo]()
$299
This Expedia deal was found by Cheapflights users on 6/15. 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.
Tue 7/141:24 pm
BOI
- IAH
1 stop20h 10m
Multiple Airlines
Wed 7/226:02 am
IAH
- BOI
1 stop9h 05m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$300
This Frontier deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 7/161:24 pm
BOI
- IAH
1 stop6h 50m
Frontier
Sun 7/196:30 am
IAH
- BOI
1 stop6h 59m
Frontier
Deal found 6/19![Frontier logo]()
$291
This Expedia deal was found by Cheapflights users on 6/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/211:24 pm
BOI
- IAH
1 stop20h 10m
Frontier
Tue 7/286:30 am
IAH
- BOI
1 stop6h 59m
Frontier
Deal found 6/18![Frontier logo]()
$250
This Priceline deal was found by Cheapflights users on 6/17. 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.
Tue 7/211:24 pm
BOI
- IAH
1 stop10h 16m
Frontier
Thu 7/236:30 am
IAH
- BOI
1 stop6h 59m
Frontier
Deal found 6/17![Frontier logo]()
$295
This Frontier deal was found by Cheapflights users on 6/15. 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 7/301:24 pm
BOI
- IAH
1 stop10h 16m
Frontier
Wed 8/56:14 pm
IAH
- BOI
1 stop19h 15m
Frontier
Deal found 6/15![Frontier logo]()
$264
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 June 19, 2026.
Search for one-way flight options from Idaho to Houston. Find affordable one-way fares based on user searches. Data last updated June 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/129:33 pm
IDA
- IAH
1 stop22h 31m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$108
This Delta deal was found by Cheapflights users on 6/16. 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.
Fri 10/2310:45 pm
GEG
- HOU
1 stop8h 41m
Delta
Deal found 6/16![Delta logo]()
$150
This Delta deal was found by Cheapflights users on 6/16. 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.
Sun 10/2510:45 pm
GEG
- IAH
1 stop8h 01m
Delta
Deal found 6/16![Delta logo]()
$150
This Delta deal was found by Cheapflights users on 6/16. 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 6/3011:59 am
BOI
- IAH
1 stop4h 56m
Delta
Deal found 6/16![Delta logo]()
$153
This Southwest deal was found by Cheapflights users on 6/18. 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.
Wed 7/13:00 pm
BOI
- HOU
1 stop8h 25m
Southwest
Deal found 6/18![Southwest logo]()
$154
This Alaska Airlines deal was found by Cheapflights users on 6/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/305:57 am
BOI
- IAH
1 stop6h 38m
Alaska Airlines
Deal found 6/17![Alaska Airlines logo]()
$154
This Delta deal was found by Cheapflights users on 6/16. 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 11/75:00 pm
GEG
- HOU
2 stops14h 26m
Delta
Deal found 6/16![Delta logo]()
$155
This Orbitz deal was found by Cheapflights users on 6/17. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/34:23 pm
BOI
- IAH
1 stop20h 12m
Alaska Airlines
Deal found 6/17![Alaska Airlines logo]()
$158
This Southwest deal was found by Cheapflights users on 6/15. 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.
Wed 7/153:00 pm
BOI
- HOU
1 stop8h 30m
Southwest
Deal found 6/15![Southwest logo]()
$160
This Delta deal was found by Cheapflights users on 6/15. 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 7/155:30 am
BOI
- IAH
1 stop6h 44m
Delta
Deal found 6/15![Delta logo]()
$160
This Southwest deal was found by Cheapflights users on 6/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/225:30 am
BOI
- HOU
2 stops7h 15m
Southwest
Deal found 6/17![Southwest logo]()
$165
This Delta deal was found by Cheapflights users on 6/17. 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 8/261:06 pm
BOI
- IAH
2 stops9h 48m
Delta
Deal found 6/17![Delta logo]()
$165
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 June 19, 2026.
Round-trip from | $250 (Expedia) |
|---|---|
One-way from | $108 (Kiwi.com) |
Popular in | May |
Cheapest in | September |
Average price | $419 |
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 June 19, 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 - IAH
GEGIAH
Spokane
Wed 8/12
6:16 am-3:14 pm
1 stop6h 58m
Houston George Bush Intcntl
Tue 8/18
5:48 pm-11:09 pm
1 stop7h 21m
$299
SpokaneHouston
GEG - IAH
GEGIAH
Spokane
Tue 9/22
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
$299
SpokaneHouston
GEG - IAH
GEGIAH
Spokane
Tue 9/22
7:00 am-5:39 pm
1 stop8h 39m
Houston George Bush Intcntl
Tue 9/29
7:00 pm-11:57 pm
1 stop6h 57m
$299
SpokaneHouston
GEG - IAH
GEGIAH
Spokane
Sat 9/19
1:36 pm-11:59 pm
1 stop8h 23m
Houston George Bush Intcntl
Wed 9/30
6:16 pm-11:11 pm
1 stop6h 55m
$299
SpokaneHouston
GEG - IAH
GEGIAH
Spokane
Tue 9/22
5:40 am-1:29 pm
1 stop5h 49m
Houston George Bush Intcntl
Wed 9/30
7:00 pm-11:57 pm
1 stop6h 57m
$299
SpokaneHouston
GEG - IAH
GEGIAH
Spokane
Thu 7/9
11:30 am-11:59 pm
2 stops10h 29m
Houston George Bush Intcntl
Mon 7/13
7:01 pm-11:55 pm
1 stop6h 54m
$304
Idaho FallsHouston
IDA - IAH
IDAIAH
Idaho Falls Fanning Field
Tue 10/27
1:46 pm-11:59 pm
1 stop9h 13m
Houston George Bush Intcntl
Sat 10/31
2:52 pm-10:54 pm
1 stop9h 02m
$311
BoiseHouston
BOI - IAH
BOIIAH
Boise Air Term. Gowen Fld
Wed 7/1
2:04 pm-11:56 pm
1 stop8h 52m
Houston George Bush Intcntl
Tue 7/7
7:01 pm-12:05 am
1 stop6h 04m
$312
BoiseHouston
BOI - IAH
BOIIAH
Boise Air Term. Gowen Fld
Tue 6/30
11:59 am-5:55 pm
1 stop4h 56m
Houston George Bush Intcntl
Wed 7/8
7:01 pm-12:05 am
1 stop6h 04m
$313
BoiseHouston
BOI - IAH
BOIIAH
Boise Air Term. Gowen Fld
Wed 7/1
11:59 am-11:56 pm
2 stops10h 57m
Houston George Bush Intcntl
Wed 7/8
7:10 am-2:46 pm
1 stop8h 36m
$317
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
GEG-IAH
IDA-IAH
GEG-HOU
BOI-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
GEG-IAH
IDA-IAH
GEG-HOU
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 $74). Flying from Idaho to Houston in December is currently the most expensive (average of $269). 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?
How far ahead should I book a flight from Idaho to Houston?
Booking 59 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 June 19, 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 5 airlines flying from Idaho to Houston
Discover the top 5 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 June 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$154 | Average$422 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$180 | Average$358 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$206 | Average$418 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$253 | Average$466 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$264 | Average$436 | FlexibilityNo cancel fee | On-time63% |