$142+ Cheap flights from Montana to George Bush Intcntl (IAH)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — IAH
Aug 19 — Aug 261
Round-trip
1 adult, Economy
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Cheapest flights from Montana to George Bush IntcntlExplore the most affordable flight options available from Montana to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 20, 2026.
Explore the most affordable flight options available from Montana to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/16. 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 8/248:58 pm
BIL
- IAH
1 stop15h 00m
Multiple Airlines
Mon 8/311:53 pm
IAH
- BIL
1 stop8h 14m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 7/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/143:46 pm
BZN
- IAH
1 stop21h 13m
Multiple Airlines
Thu 8/206:30 am
IAH
- BZN
2 stops10h 36m
Multiple Airlines
Deal found 7/17![Multiple Airlines logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 7/16. 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 8/248:58 pm
BIL
- IAH
1 stop15h 00m
Multiple Airlines
Mon 9/71:53 pm
IAH
- BIL
1 stop7h 10m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$310
This Delta deal was found by Cheapflights users on 7/19. 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.
Tue 8/1812:55 pm
HLN
- IAH
1 stop7h 55m
Delta
Tue 8/257:30 am
IAH
- HLN
1 stop5h 45m
Delta
Deal found 7/19![Delta logo]()
$329
This American Airlines deal was found by Cheapflights users on 7/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2011:55 am
BZN
- IAH
1 stop5h 49m
American Airlines
Sun 8/2310:26 am
IAH
- BZN
1 stop5h 59m
American Airlines
Deal found 7/19![American Airlines logo]()
$329
This Alaska Airlines deal was found by Cheapflights users on 7/15. 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.
Sat 9/266:14 am
BIL
- IAH
1 stop9h 59m
Alaska Airlines
Wed 9/302:34 pm
IAH
- BIL
1 stop9h 55m
Alaska Airlines
Deal found 7/15![Alaska Airlines logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 7/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/511:51 am
BZN
- IAH
2 stops23h 19m
Multiple Airlines
Thu 10/87:57 pm
IAH
- BZN
1 stop20h 04m
Multiple Airlines
Deal found 7/17![Multiple Airlines logo]()
$333
This Delta deal was found by Cheapflights users on 7/17. 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 10/291:03 pm
HLN
- IAH
2 stops9h 51m
Delta
Sat 11/77:20 am
IAH
- HLN
1 stop6h 03m
Delta
Deal found 7/17![Delta logo]()
$334
This Delta deal was found by Cheapflights users on 7/16. 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 9/171:08 pm
BZN
- IAH
1 stop7h 49m
Delta
Tue 9/223:20 pm
IAH
- BZN
2 stops8h 59m
Delta
Deal found 7/16![Delta logo]()
$334
This Delta deal was found by Cheapflights users on 7/17. 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 8/116:26 am
BIL
- IAH
1 stop5h 39m
Delta
Sat 8/158:05 am
IAH
- BIL
2 stops13h 07m
Delta
Deal found 7/17![Delta logo]()
$334
This Delta deal was found by Cheapflights users on 7/17. 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 8/2010:21 am
BIL
- IAH
2 stops12h 33m
Delta
Sat 8/296:10 am
IAH
- BIL
2 stops12h 34m
Delta
Deal found 7/17![Delta logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 7/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/94:51 pm
BZN
- IAH
1 stop18h 36m
Multiple Airlines
Sun 8/1612:05 pm
IAH
- BZN
1 stop27h 51m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$341
Best flights from Montana to George Bush IntcntlDiscover carefully curated flight deals from Montana to George Bush Intcntl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 20, 2026.
Discover carefully curated flight deals from Montana to George Bush Intcntl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 20, 2026.
This Delta deal was found by Cheapflights users on 7/19. 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 8/2012:55 pm
HLN
- IAH
1 stop7h 55m
Delta
Mon 8/317:30 am
IAH
- HLN
1 stop5h 45m
Delta
Deal found 7/19![Delta logo]()
$329
This Alaska Airlines deal was found by Cheapflights users on 7/15. 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.
Sat 9/266:14 am
BIL
- IAH
1 stop9h 59m
Alaska Airlines
Wed 9/302:34 pm
IAH
- BIL
1 stop9h 55m
Alaska Airlines
Deal found 7/15![Alaska Airlines logo]()
$329
This United Airlines deal was found by Cheapflights users on 7/15. 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.
Thu 9/35:24 pm
MSO
- IAH
1 stop5h 32m
United Airlines
Sat 9/512:10 pm
IAH
- MSO
1 stop8h 51m
United Airlines
Deal found 7/15![United Airlines logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 7/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/94:51 pm
BZN
- IAH
1 stop18h 36m
Multiple Airlines
Sun 8/166:14 pm
IAH
- BZN
2 stops21h 42m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 7/17. 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.
Fri 9/2512:57 pm
HLN
- IAH
1 stop8h 00m
Delta
Tue 9/297:25 am
IAH
- HLN
1 stop5h 52m
Delta
Deal found 7/17![Delta logo]()
$329
This Alaska Airlines deal was found by Cheapflights users on 7/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/145:41 pm
MSO
- IAH
1 stop18h 54m
Alaska Airlines
Tue 8/182:38 pm
IAH
- MSO
1 stop9h 14m
Alaska Airlines
Deal found 7/19![Alaska Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 7/18. 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 1/612:50 pm
HLN
- IAH
1 stop7h 46m
Delta
Wed 1/207:50 am
IAH
- HLN
1 stop5h 34m
Delta
Deal found 7/18![Delta logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 7/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/139:42 pm
BZN
- IAH
1 stop22h 22m
Multiple Airlines
Tue 9/2910:15 pm
IAH
- BZN
2 stops35h 51m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 7/19. 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 10/291:03 pm
HLN
- IAH
1 stop7h 45m
Delta
Sat 11/77:20 am
IAH
- HLN
1 stop6h 03m
Delta
Deal found 7/19![Delta logo]()
$329
This Alaska Airlines deal was found by Cheapflights users on 7/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/141:55 pm
MSO
- IAH
1 stop9h 03m
Alaska Airlines
Tue 11/177:01 am
IAH
- MSO
1 stop9h 33m
Alaska Airlines
Deal found 7/19![Alaska Airlines logo]()
$374
This United Airlines deal was found by Cheapflights users on 7/16. 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 11/710:00 am
BTM
- IAH
1 stop6h 01m
United Airlines
Wed 11/112:54 pm
IAH
- BTM
1 stop8h 37m
United Airlines
Deal found 7/16![United Airlines logo]()
$414
This Delta deal was found by Cheapflights users on 7/15. 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.
Thu 9/171:08 pm
BZN
- IAH
1 stop7h 49m
Delta
Tue 9/223:20 pm
IAH
- BZN
2 stops8h 59m
Delta
Deal found 7/15![Delta logo]()
$334
This Alaska Airlines deal was found by Cheapflights users on 7/17. 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 8/257:03 am
BZN
- IAH
1 stop9h 10m
Alaska Airlines
Wed 8/262:34 pm
IAH
- BZN
1 stop9h 25m
Alaska Airlines
Deal found 7/17![Alaska Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 7/17. 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.
Sat 11/142:34 pm
HLN
- IAH
1 stop5h 24m
United Airlines
Wed 11/184:27 pm
IAH
- HLN
1 stop6h 12m
United Airlines
Deal found 7/17![United Airlines logo]()
$419
This Delta deal was found by Cheapflights users on 7/17. 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 8/156:26 am
BIL
- IAH
2 stops11h 15m
Delta
Fri 8/215:48 pm
IAH
- BIL
1 stop6h 42m
Delta
Deal found 7/17![Delta logo]()
$334
This United Airlines deal was found by Cheapflights users on 7/16. 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.
Tue 8/112:29 pm
BIL
- IAH
1 stop7h 27m
United Airlines
Sat 8/155:15 am
IAH
- BIL
1 stop5h 26m
United Airlines
Deal found 7/16![United Airlines logo]()
$419
This Alaska Airlines deal was found by Cheapflights users on 7/15. 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.
Tue 10/66:44 am
FCA
- IAH
1 stop9h 31m
Alaska Airlines
Wed 10/76:09 am
IAH
- FCA
1 stop7h 12m
Alaska Airlines
Deal found 7/15![Alaska Airlines logo]()
$384
This Delta deal was found by Cheapflights users on 7/18. 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.
Tue 8/116:26 am
BIL
- IAH
1 stop5h 39m
Delta
Sat 8/158:05 am
IAH
- BIL
2 stops13h 07m
Delta
Deal found 7/18![Delta logo]()
$334
This United Airlines deal was found by Cheapflights users on 7/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/52:25 pm
GTF
- IAH
1 stop5h 25m
United Airlines
Wed 12/97:30 am
IAH
- GTF
1 stop6h 59m
United Airlines
Deal found 7/19![United Airlines logo]()
$438
This Delta deal was found by Cheapflights users on 7/19. 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.
Tue 8/1812:55 pm
HLN
- IAH
2 stops9h 59m
Delta
Tue 8/252:27 pm
IAH
- HLN
2 stops9h 03m
Delta
Deal found 7/19![Delta logo]()
$339
This Expedia deal was found by Cheapflights users on 7/15. 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 9/37:15 am
MSO
- IAH
2 stops9h 49m
Alaska Airlines
Sat 9/56:16 pm
IAH
- MSO
1 stop20h 09m
Alaska Airlines
Deal found 7/15![Alaska Airlines logo]()
$435
This United Airlines deal was found by Cheapflights users on 7/15. 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.
Tue 9/12:25 pm
GTF
- IAH
1 stop6h 16m
United Airlines
Sat 9/53:00 pm
IAH
- GTF
1 stop7h 12m
United Airlines
Deal found 7/15![United Airlines logo]()
$438
This Delta deal was found by Cheapflights users on 7/19. 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.
Wed 8/196:00 am
BZN
- IAH
2 stops10h 40m
Delta
Wed 8/262:28 pm
IAH
- BZN
2 stops9h 14m
Delta
Deal found 7/19![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 7/16. 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 10/32:37 pm
GTF
- IAH
1 stop8h 22m
United Airlines
Wed 10/76:20 am
IAH
- GTF
1 stop8h 21m
United Airlines
Deal found 7/16![United Airlines logo]()
$438
This Alaska Airlines deal was found by Cheapflights users on 7/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:03 am
BZN
- IAH
1 stop9h 10m
Alaska Airlines
Mon 8/3111:28 am
IAH
- BZN
2 stops12h 31m
Alaska Airlines
Deal found 7/19![Alaska Airlines logo]()
$464
This Delta deal was found by Cheapflights users on 7/17. 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 11/195:25 am
FCA
- IAH
1 stop6h 01m
Delta
Sat 12/56:30 am
IAH
- FCA
1 stop6h 59m
Delta
Deal found 7/17![Delta logo]()
$384
This United Airlines deal was found by Cheapflights users on 7/18. 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 12/251:55 pm
BZN
- IAH
Nonstop3h 31m
United Airlines
Mon 1/45:15 am
IAH
- BZN
1 stop5h 29m
United Airlines
Deal found 7/18![United Airlines logo]()
$469
This United Airlines deal was found by Cheapflights users on 7/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/178:37 am
BTM
- IAH
1 stop14h 19m
United Airlines
Mon 8/243:00 pm
IAH
- BTM
1 stop8h 26m
United Airlines
Deal found 7/19![United Airlines logo]()
$475
This Delta deal was found by Cheapflights users on 7/15. 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.
Thu 8/205:20 am
BIL
- IAH
1 stop7h 17m
Delta
Sat 8/297:20 am
IAH
- BIL
2 stops11h 24m
Delta
Deal found 7/15![Delta logo]()
$399
This Delta deal was found by Cheapflights users on 7/18. 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.
Thu 8/2012:02 pm
FCA
- IAH
1 stop8h 48m
Delta
Sun 8/237:20 am
IAH
- FCA
2 stops11h 09m
Delta
Deal found 7/18![Delta logo]()
$424
Last-minute flights from Montana to George Bush IntcntlDiscover last-minute flight deals from Montana to George Bush Intcntl. Data last updated July 20, 2026 and is based on user searches.
Discover last-minute flight deals from Montana to George Bush Intcntl. Data last updated July 20, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/94:51 pm
BZN
- IAH
1 stop18h 36m
Multiple Airlines
Sun 8/1612:05 pm
IAH
- BZN
1 stop27h 51m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$341
This Delta deal was found by Cheapflights users on 7/17. 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 8/116:26 am
BIL
- IAH
1 stop5h 39m
Delta
Sat 8/158:05 am
IAH
- BIL
2 stops13h 07m
Delta
Deal found 7/17![Delta logo]()
$334
This United Airlines deal was found by Cheapflights users on 7/17. 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 8/132:29 pm
BIL
- IAH
1 stop6h 12m
United Airlines
Mon 8/175:15 am
IAH
- BIL
1 stop5h 26m
United Airlines
Deal found 7/17![United Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 7/16. 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 8/131:08 pm
GTF
- IAH
1 stop7h 42m
Delta
Wed 8/197:20 am
IAH
- GTF
2 stops11h 18m
Delta
Deal found 7/16![Delta logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 7/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/143:46 pm
BZN
- IAH
1 stop21h 13m
Multiple Airlines
Thu 8/206:30 am
IAH
- BZN
2 stops10h 36m
Multiple Airlines
Deal found 7/17![Multiple Airlines logo]()
$294
This Delta deal was found by Cheapflights users on 7/19. 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.
Tue 8/1812:55 pm
HLN
- IAH
1 stop7h 55m
Delta
Tue 8/257:30 am
IAH
- HLN
1 stop5h 45m
Delta
Deal found 7/19![Delta logo]()
$329
This Delta deal was found by Cheapflights users on 7/18. 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.
Tue 8/181:08 pm
GTF
- IAH
2 stops9h 46m
Delta
Mon 8/247:20 am
IAH
- GTF
2 stops11h 18m
Delta
Deal found 7/18![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 7/19. 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.
Wed 8/196:19 am
BZN
- IAH
1 stop5h 46m
Delta
Wed 8/267:20 am
IAH
- BZN
2 stops8h 49m
Delta
Deal found 7/19![Delta logo]()
$334
This American Airlines deal was found by Cheapflights users on 7/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2011:55 am
BZN
- IAH
1 stop5h 49m
American Airlines
Sun 8/2310:26 am
IAH
- BZN
1 stop5h 59m
American Airlines
Deal found 7/19![American Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 7/17. 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 8/2010:21 am
BIL
- IAH
2 stops12h 33m
Delta
Sat 8/296:10 am
IAH
- BIL
2 stops12h 34m
Delta
Deal found 7/17![Delta logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 7/16. 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 8/248:58 pm
BIL
- IAH
1 stop15h 00m
Multiple Airlines
Mon 8/311:53 pm
IAH
- BIL
1 stop8h 14m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 7/16. 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 8/248:58 pm
BIL
- IAH
1 stop15h 00m
Multiple Airlines
Mon 9/71:53 pm
IAH
- BIL
1 stop7h 10m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$310
One-way flights from Montana to George Bush IntcntlSearch for one-way flight options from Montana to George Bush Intcntl. Find affordable one-way fares based on user searches. Data last updated July 20, 2026.
Search for one-way flight options from Montana to George Bush Intcntl. Find affordable one-way fares based on user searches. Data last updated July 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:43 pm
BIL
- IAH
1 stop17h 22m
Multiple Airlines
Deal found 7/18![Multiple Airlines logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 7/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/239:06 pm
BZN
- IAH
3 stops36h 28m
Multiple Airlines
Deal found 7/18![Multiple Airlines logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 7/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2110:54 am
FCA
- IAH
1 stop31h 14m
Multiple Airlines
Deal found 7/18![Multiple Airlines logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 7/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/139:49 pm
MSO
- IAH
2 stops37h 21m
Multiple Airlines
Deal found 7/17![Multiple Airlines logo]()
$157
This Booking.com deal was found by Cheapflights users on 7/18. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/262:21 pm
BZN
- IAH
1 stop8h 38m
Alaska Airlines
Deal found 7/18![Alaska Airlines logo]()
$165
This Priceline deal was found by Cheapflights users on 7/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:14 am
BIL
- IAH
1 stop9h 59m
Alaska Airlines
Deal found 7/16![Alaska Airlines logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/218:46 pm
FCA
- IAH
2 stops14h 24m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$165
This Expedia deal was found by Cheapflights users on 7/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:25 pm
BZN
- IAH
1 stop20h 50m
Alaska Airlines
Deal found 7/16![Alaska Airlines logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 7/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/81:27 pm
MSO
- IAH
2 stops45h 43m
Multiple Airlines
Deal found 7/17![Multiple Airlines logo]()
$172
This Priceline deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:00 am
MSO
- IAH
1 stop9h 13m
Alaska Airlines
Deal found 7/20![Alaska Airlines logo]()
$175
This Expedia deal was found by Cheapflights users on 7/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:21 pm
FCA
- IAH
1 stop19h 52m
Alaska Airlines
Deal found 7/19![Alaska Airlines logo]()
$180
This Priceline deal was found by Cheapflights users on 7/18. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:58 pm
BZN
- IAH
1 stop10h 22m
Alaska Airlines
Deal found 7/18![Alaska Airlines logo]()
$190
Find flight deals from Montana to George Bush Intcntl
Keep the following information in mind while searching for Montana to George Bush Intcntl flight deals. Data was last updated July 20, 2026.
Round-trip from | $267 (Kiwi.com) |
|---|---|
One-way from | $142 (Kiwi.com) |
Popular in | August |
Cheapest in | December |
Average price | $338 |
Good round-trip deal | $598 or less |
Good one-way deal | $414 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Montana to George Bush Intcntl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 20, 2026.
Use the filters below to find and compare flights from Montana to Houston George Bush Intcntl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
HelenaHouston
HLN - IAH
HLNIAH
Helena
Thu 8/20
12:55 pm-9:50 pm
1 stop7h 55m
Houston George Bush Intcntl
Mon 8/31
7:30 am-12:15 pm
1 stop5h 45m
$329
BillingsHouston
BIL - IAH
BILIAH
Billings Logan Intl
Sat 9/26
6:14 am-5:13 pm
1 stop9h 59m
Houston George Bush Intcntl
Wed 9/30
2:34 pm-11:29 pm
1 stop9h 55m
$329
HelenaHouston
HLN - IAH
HLNIAH
Helena
Fri 9/25
12:57 pm-9:57 pm
1 stop8h 00m
Houston George Bush Intcntl
Tue 9/29
7:25 am-12:17 pm
1 stop5h 52m
$329
HelenaHouston
HLN - IAH
HLNIAH
Helena
Wed 1/6
12:50 pm-9:36 pm
1 stop7h 46m
Houston George Bush Intcntl
Wed 1/20
7:50 am-12:24 pm
1 stop5h 34m
$329
HelenaHouston
HLN - IAH
HLNIAH
Helena
Thu 10/29
1:03 pm-9:48 pm
1 stop7h 45m
Houston George Bush Intcntl
Sat 11/7
7:20 am-12:23 pm
1 stop6h 03m
$329
BozemanHouston
BZN - IAH
BZNIAH
Bozeman Gallatin Field
Thu 9/17
1:08 pm-9:57 pm
1 stop7h 49m
Houston George Bush Intcntl
Tue 9/22
3:20 pm-11:19 pm
2 stops8h 59m
$334
BillingsHouston
BIL - IAH
BILIAH
Billings Logan Intl
Sat 8/15
6:26 am-6:41 pm
2 stops11h 15m
Houston George Bush Intcntl
Fri 8/21
5:48 pm-11:30 pm
1 stop6h 42m
$334
BillingsHouston
BIL - IAH
BILIAH
Billings Logan Intl
Tue 8/11
6:26 am-1:05 pm
1 stop5h 39m
Houston George Bush Intcntl
Sat 8/15
8:05 am-8:12 pm
2 stops13h 07m
$334
HelenaHouston
HLN - IAH
HLNIAH
Helena
Tue 8/18
12:55 pm-11:54 pm
2 stops9h 59m
Houston George Bush Intcntl
Tue 8/25
2:27 pm-10:30 pm
2 stops9h 03m
$339
BozemanHouston
BZN - IAH
BZNIAH
Bozeman Gallatin Field
Wed 8/19
6:00 am-5:40 pm
2 stops10h 40m
Houston George Bush Intcntl
Wed 8/26
2:28 pm-10:42 pm
2 stops9h 14m
$339
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Montana to George Bush Intcntl
Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl from Montana with our price prediction graph.
BIL-IAH
BZN-IAH
HLN-IAH
GTF-IAH
FCA-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 Montana to Houston George Bush Intcntl Airport
USMT-IAH
BIL-IAH
BZN-IAH
HLN-IAH
GTF-IAH
What is the cheapest month to book a flight from Montana to Houston George Bush Intcntl Airport?
Currently, November is the cheapest month in which you can book a flight from Montana to Houston George Bush Intcntl Airport (average of $383). Flying from Montana to Houston George Bush Intcntl Airport in May is currently the most expensive (average of $621). 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.
What is the cheapest time of day to fly from MT to IAH?
Find hourly flight availability from Montana to George Bush Intcntl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 20, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Montana to Houston George Bush Intcntl Airport as you normally would.
How much does it cost to fly round-trip from Montana to Houston George Bush Intcntl Airport?
Related info for your journey
Find useful and relevant information for your journey from Montana to George Bush Intcntl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Houston George Bush Intcntl Airport?
Book flights to Houston George Bush Intcntl Airport if you plan to visit one of these locationsKaty
The Woodlands
Spring
Conroe
Jersey Village
Humble
Tomball
Cypress
Montgomery
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Other flights to George Bush Intcntl
Explore flights to George Bush Intcntl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 20, 2026.
Montana and George Bush Intcntl flights
Browse other Montana and George Bush Intcntl flight options. Last updated on July 20, 2026.
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Montana to George Bush Intcntl flights
Consider these flights traveling from Montana to George Bush Intcntl.
Top 4 airlines flying from Montana to George Bush Intcntl
Discover the top 4 airlines that operate flights from Montana to George Bush Intcntl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$169 | Average$385 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$215 | Average$408 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$246 | Average$423 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$249 | Average$497 | FlexibilityNo cancel fee | On-time69% |