$89+ 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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — HOU
May 31 — Jun 71
Round-trip
1 adult, Economy
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Find cheap flights from Idaho to Houston with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Idaho to HoustonExplore the most affordable flight options available from Idaho to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 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 May 1, 2026.
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/191:30 pm
GEG
- IAH
1 stop6h 08m
Delta
Wed 9/306:30 am
IAH
- GEG
1 stop8h 37m
Delta
Deal found 4/28![Delta logo]()
$177
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:55 am
GEG
- IAH
2 stops13h 36m
Delta
Wed 9/306:30 am
IAH
- GEG
1 stop9h 36m
Delta
Deal found 4/28![Delta logo]()
$182
This Trip.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/141:22 pm
BOI
- IAH
1 stop6h 48m
Frontier
Wed 5/205:40 pm
IAH
- BOI
1 stop19h 50m
Frontier
Deal found 4/30![Frontier logo]()
$186
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2210:05 am
GEG
- IAH
2 stops11h 26m
Delta
Tue 9/2911:55 am
IAH
- GEG
2 stops11h 09m
Delta
Deal found 4/28![Delta logo]()
$187
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2210:48 pm
GEG
- HOU
1 stop8h 57m
Delta
Sat 8/156:00 am
HOU
- GEG
1 stop7h 24m
Delta
Deal found 4/29![Delta logo]()
$208
This Expedia deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/261:25 pm
BOI
- IAH
1 stop20h 19m
Frontier
Tue 6/26:30 am
IAH
- BOI
1 stop7h 00m
Frontier
Deal found 4/26![Frontier logo]()
$210
This Expedia deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/112:33 pm
GEG
- IAH
1 stop6h 37m
Frontier
Wed 6/36:30 am
IAH
- GEG
1 stop7h 08m
Frontier
Deal found 4/30![Frontier logo]()
$210
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1912:27 pm
GEG
- HOU
1 stop7h 59m
Delta
Fri 5/291:06 pm
HOU
- GEG
1 stop10h 14m
Delta
Deal found 4/28![Delta logo]()
$223
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1912:27 pm
GEG
- IAH
1 stop9h 27m
Delta
Fri 5/297:59 pm
IAH
- GEG
1 stop5h 36m
Delta
Deal found 4/28![Delta logo]()
$223
This Southwest deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:30 am
GEG
- HOU
1 stop7h 40m
Southwest
Mon 6/87:50 pm
HOU
- GEG
1 stop7h 30m
Southwest
Deal found 4/27![Southwest logo]()
$248
This Expedia deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/111:25 pm
BOI
- IAH
1 stop6h 48m
Frontier
Tue 6/166:30 am
IAH
- BOI
1 stop7h 00m
Frontier
Deal found 4/27![Frontier logo]()
$250
This Frontier deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/812:34 pm
GEG
- IAH
1 stop10h 06m
Frontier
Mon 7/136:30 am
IAH
- GEG
1 stop7h 07m
Frontier
Deal found 4/30![Frontier logo]()
$250
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 May 1, 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 May 1, 2026.
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/191:30 pm
GEG
- IAH
1 stop6h 08m
Delta
Wed 9/306:30 am
IAH
- GEG
1 stop9h 36m
Delta
Deal found 4/30![Delta logo]()
$177
This Southwest deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/191:40 pm
GEG
- HOU
1 stop6h 20m
Southwest
Wed 9/305:30 pm
HOU
- GEG
1 stop6h 35m
Southwest
Deal found 4/30![Southwest logo]()
$283
This United Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:46 pm
BOI
- IAH
1 stop5h 13m
United Airlines
Sat 5/305:15 am
IAH
- BOI
1 stop5h 38m
United Airlines
Deal found 4/30![United Airlines logo]()
$283
This Alaska Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/66:07 pm
BOI
- IAH
1 stop11h 16m
Alaska Airlines
Wed 6/106:02 am
IAH
- BOI
1 stop7h 45m
Alaska Airlines
Deal found 4/29![Alaska Airlines logo]()
$308
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/222:05 pm
GEG
- IAH
1 stop6h 44m
Delta
Wed 9/3011:55 am
IAH
- GEG
1 stop6h 09m
Delta
Deal found 4/30![Delta logo]()
$177
This American Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/61:59 pm
BOI
- IAH
2 stops8h 59m
American Airlines
Wed 6/106:02 am
IAH
- BOI
1 stop6h 16m
American Airlines
Deal found 4/26![American Airlines logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1110:21 pm
IDA
- IAH
2 stops15h 51m
Multiple Airlines
Mon 5/186:30 am
IAH
- IDA
1 stop9h 57m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$376
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2210:05 am
GEG
- IAH
2 stops11h 26m
Delta
Tue 9/292:35 pm
IAH
- GEG
1 stop6h 45m
Delta
Deal found 4/28![Delta logo]()
$182
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1912:27 pm
GEG
- HOU
1 stop7h 59m
Delta
Fri 5/291:06 pm
HOU
- GEG
2 stops12h 29m
Delta
Deal found 4/26![Delta logo]()
$228
This United Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/225:46 pm
BOI
- IAH
1 stop5h 13m
United Airlines
Mon 5/255:15 am
IAH
- BOI
1 stop5h 21m
United Airlines
Deal found 4/26![United Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2010:48 pm
GEG
- HOU
1 stop8h 57m
Delta
Sat 8/156:00 am
HOU
- GEG
1 stop7h 24m
Delta
Deal found 4/29![Delta logo]()
$248
This Southwest deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/277:40 pm
BOI
- HOU
1 stop8h 15m
Southwest
Wed 7/298:25 am
HOU
- BOI
2 stops7h 15m
Southwest
Deal found 4/30![Southwest logo]()
$350
This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:00 am
IDA
- IAH
1 stop5h 15m
American Airlines
Mon 8/244:14 pm
IAH
- IDA
1 stop6h 06m
American Airlines
Deal found 4/29![American Airlines logo]()
$360
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/175:00 pm
GEG
- HOU
2 stops14h 26m
Delta
Wed 10/211:00 pm
HOU
- GEG
1 stop10h 37m
Delta
Deal found 4/29![Delta logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/295:38 pm
IDA
- IAH
1 stop17h 55m
Multiple Airlines
Mon 6/16:30 am
IAH
- IDA
2 stops10h 28m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$377
This United Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/275:46 pm
BOI
- IAH
1 stop5h 55m
United Airlines
Wed 7/299:35 am
IAH
- BOI
1 stop8h 09m
United Airlines
Deal found 4/30![United Airlines logo]()
$349
This Southwest deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/116:00 am
BOI
- HOU
2 stops7h 30m
Southwest
Thu 6/185:15 am
HOU
- BOI
1 stop7h 10m
Southwest
Deal found 4/28![Southwest logo]()
$354
This Alaska Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/124:06 pm
IDA
- IAH
1 stop12h 10m
Alaska Airlines
Mon 5/185:57 pm
IAH
- IDA
1 stop20h 20m
Alaska Airlines
Deal found 4/28![Alaska Airlines logo]()
$409
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2210:48 pm
GEG
- HOU
1 stop8h 57m
Delta
Mon 8/176:00 am
HOU
- GEG
1 stop7h 24m
Delta
Deal found 4/29![Delta logo]()
$254
This Southwest deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:00 am
BOI
- HOU
2 stops6h 55m
Southwest
Mon 6/15:30 pm
HOU
- BOI
2 stops8h 30m
Southwest
Deal found 4/28![Southwest logo]()
$374
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/46:49 am
GEG
- HOU
2 stops13h 37m
Delta
Tue 6/91:10 pm
HOU
- GEG
2 stops12h 49m
Delta
Deal found 4/26![Delta logo]()
$258
This United Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/295:54 pm
IDA
- IAH
1 stop5h 05m
United Airlines
Mon 6/15:15 am
IAH
- IDA
1 stop5h 35m
United Airlines
Deal found 4/27![United Airlines logo]()
$397
This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:00 am
IDA
- HOU
1 stop7h 28m
American Airlines
Mon 8/245:41 am
HOU
- IDA
1 stop6h 49m
American Airlines
Deal found 4/29![American Airlines logo]()
$474
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/910:48 pm
GEG
- HOU
1 stop8h 27m
Delta
Thu 8/136:00 am
HOU
- GEG
1 stop7h 24m
Delta
Deal found 4/26![Delta logo]()
$269
This United Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/12:30 pm
IDA
- IAH
1 stop7h 21m
United Airlines
Sat 9/56:30 am
IAH
- IDA
1 stop7h 54m
United Airlines
Deal found 4/30![United Airlines logo]()
$401
This United Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/254:10 pm
IDA
- IAH
1 stop5h 41m
United Airlines
Sat 8/295:15 am
IAH
- IDA
1 stop5h 38m
United Airlines
Deal found 4/26![United Airlines logo]()
$401
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2611:39 pm
BOI
- HOU
1 stop8h 53m
Delta
Sat 5/306:00 am
HOU
- BOI
1 stop7h 43m
Delta
Deal found 4/30![Delta logo]()
$283
This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/37:00 am
IDA
- HOU
1 stop11h 51m
American Airlines
Tue 6/96:03 am
HOU
- IDA
1 stop6h 44m
American Airlines
Deal found 4/29![American Airlines logo]()
$528
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/225:00 pm
GEG
- HOU
2 stops14h 15m
Delta
Tue 9/296:00 am
HOU
- GEG
1 stop7h 24m
Delta
Deal found 4/30![Delta logo]()
$293
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2010:45 pm
GEG
- HOU
1 stop8h 30m
Delta
Wed 9/306:00 am
HOU
- GEG
1 stop7h 24m
Delta
Deal found 4/29![Delta logo]()
$294
Last-minute flights from Idaho to HoustonDiscover last-minute flight deals from Idaho to Houston. Data last updated May 1, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to Houston. Data last updated May 1, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/141:22 pm
BOI
- IAH
1 stop6h 48m
Frontier
Wed 5/205:40 pm
IAH
- BOI
1 stop19h 50m
Frontier
Deal found 4/30![Frontier logo]()
$186
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1912:27 pm
GEG
- HOU
1 stop7h 59m
Delta
Fri 5/291:06 pm
HOU
- GEG
1 stop10h 14m
Delta
Deal found 4/28![Delta logo]()
$223
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1912:27 pm
GEG
- IAH
1 stop9h 27m
Delta
Fri 5/297:59 pm
IAH
- GEG
1 stop5h 36m
Delta
Deal found 4/28![Delta logo]()
$223
This Southwest deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/192:25 pm
GEG
- HOU
1 stop5h 55m
Southwest
Sat 5/236:10 am
HOU
- GEG
1 stop9h 35m
Southwest
Deal found 4/27![Southwest logo]()
$253
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:49 am
GEG
- IAH
1 stop9h 01m
Delta
Wed 5/277:59 pm
IAH
- GEG
1 stop5h 36m
Delta
Deal found 4/28![Delta logo]()
$248
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/231:30 pm
GEG
- IAH
1 stop6h 47m
Delta
Sat 5/306:00 am
IAH
- GEG
1 stop9h 11m
Delta
Deal found 4/26![Delta logo]()
$177
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/231:30 pm
GEG
- IAH
1 stop6h 47m
Delta
Sat 6/207:16 am
IAH
- GEG
2 stops10h 55m
Delta
Deal found 4/27![Delta logo]()
$182
This Expedia deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/261:25 pm
BOI
- IAH
1 stop20h 19m
Frontier
Tue 6/26:30 am
IAH
- BOI
1 stop7h 00m
Frontier
Deal found 4/26![Frontier logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/261:25 pm
BOI
- IAH
1 stop20h 19m
Frontier
Wed 6/310:05 pm
IAH
- BOI
1 stop15h 33m
Frontier
Deal found 4/27![Frontier logo]()
$260
This Expedia deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2712:33 pm
GEG
- IAH
1 stop10h 11m
Frontier
Wed 6/36:30 am
IAH
- GEG
1 stop7h 08m
Frontier
Deal found 4/28![Frontier logo]()
$210
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2711:05 am
GEG
- IAH
2 stops10h 50m
Delta
Wed 6/37:59 pm
IAH
- GEG
1 stop5h 36m
Delta
Deal found 4/28![Delta logo]()
$253
This Frontier deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/281:25 pm
BOI
- IAH
1 stop6h 45m
Frontier
Tue 6/26:30 am
IAH
- BOI
1 stop7h 00m
Frontier
Deal found 4/27![Frontier logo]()
$250
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 May 1, 2026.
Search for one-way flight options from Idaho to Houston. Find affordable one-way fares based on user searches. Data last updated May 1, 2026.
This Southwest deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/102:55 pm
GEG
- HOU
1 stop7h 20m
Southwest
Deal found 4/28![Southwest logo]()
$89
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/231:30 pm
GEG
- IAH
1 stop6h 47m
Delta
Deal found 4/27![Delta logo]()
$89
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/234:59 pm
GEG
- HOU
2 stops14h 33m
Delta
Deal found 4/27![Delta logo]()
$94
This Priceline deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/1512:33 pm
GEG
- IAH
1 stop6h 37m
Frontier
Deal found 4/27![Frontier logo]()
$100
This Frontier deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/91:25 pm
BOI
- IAH
1 stop10h 19m
Frontier
Deal found 4/28![Frontier logo]()
$111
This Priceline deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/171:22 pm
BOI
- IAH
1 stop6h 48m
Frontier
Deal found 4/28![Frontier logo]()
$126
This Frontier deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/211:25 pm
BOI
- IAH
1 stop10h 19m
Frontier
Deal found 4/30![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/510:56 pm
IDA
- IAH
1 stop12h 37m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$134
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/2510:40 pm
GEG
- HOU
1 stop8h 52m
Delta
Deal found 4/27![Delta logo]()
$135
This Alaska Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/255:00 am
GEG
- IAH
1 stop6h 35m
Alaska Airlines
Deal found 4/28![Alaska Airlines logo]()
$135
This American Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/94:06 pm
BOI
- HOU
1 stop6h 53m
American Airlines
Deal found 4/30![American Airlines logo]()
$139
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/97:00 am
BOI
- IAH
1 stop7h 05m
Delta
Deal found 4/29![Delta logo]()
$139
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 May 1, 2026.
Round-trip from | $177 (Delta) |
|---|---|
One-way from | $89 (Southwest) |
Popular in | March |
Cheapest in | September |
Average price | $376 |
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 May 1, 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
Sat 9/19
1:30 pm-9:38 pm
1 stop6h 08m
Houston George Bush Intcntl
Wed 9/30
6:30 am-2:06 pm
1 stop9h 36m
$177
SpokaneHouston
GEG - IAH
GEGIAH
Spokane
Tue 9/22
2:05 pm-10:49 pm
1 stop6h 44m
Houston George Bush Intcntl
Wed 9/30
11:55 am-4:04 pm
1 stop6h 09m
$177
SpokaneHouston
GEG - IAH
GEGIAH
Spokane
Tue 9/22
10:05 am-11:31 pm
2 stops11h 26m
Houston George Bush Intcntl
Tue 9/29
2:35 pm-7:20 pm
1 stop6h 45m
$182
SpokaneHouston
GEG - HOU
GEGHOU
Spokane
Tue 5/19
12:27 pm-10:26 pm
1 stop7h 59m
Houston Hobby
Fri 5/29
1:06 pm-11:35 pm
2 stops12h 29m
$228
SpokaneHouston
GEG - HOU
GEGHOU
Spokane
Mon 7/20
10:48 pm-9:45 am
1 stop8h 57m
Houston Hobby
Sat 8/15
6:00 am-11:24 am
1 stop7h 24m
$248
SpokaneHouston
GEG - HOU
GEGHOU
Spokane
Sat 10/17
5:00 pm-9:26 am
2 stops14h 26m
Houston Hobby
Wed 10/21
1:00 pm-9:37 pm
1 stop10h 37m
$253
SpokaneHouston
GEG - HOU
GEGHOU
Spokane
Wed 7/22
10:48 pm-9:45 am
1 stop8h 57m
Houston Hobby
Mon 8/17
6:00 am-11:24 am
1 stop7h 24m
$254
SpokaneHouston
GEG - HOU
GEGHOU
Spokane
Thu 6/4
6:49 am-10:26 pm
2 stops13h 37m
Houston Hobby
Tue 6/9
1:10 pm-11:59 pm
2 stops12h 49m
$258
SpokaneHouston
GEG - HOU
GEGHOU
Spokane
Sun 8/9
10:48 pm-9:15 am
1 stop8h 27m
Houston Hobby
Thu 8/13
6:00 am-11:24 am
1 stop7h 24m
$269
SpokaneHouston
GEG - HOU
GEGHOU
Spokane
Sat 9/19
1:40 pm-10:00 pm
1 stop6h 20m
Houston Hobby
Wed 9/30
5:30 pm-10:05 pm
1 stop6h 35m
$283
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.
GEG-HOU
GEG-IAH
BOI-HOU
BOI-IAH
IDA-IAH
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
GEG-HOU
GEG-IAH
BOI-HOU
BOI-IAH
How far ahead should I book a flight from Idaho to Houston?
Booking 56 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.
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?
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 May 1, 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 May 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$154 | Average$437 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$176 | Average$384 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$206 | Average$406 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$231 | Average$399 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$253 | Average$457 | FlexibilityNo cancel fee | On-time69% |