$54+ Cheap flights from St. Louis (STL) to Houston
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
STL — HOU
Dec 8 — Dec 151
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Lambert-St Louis to Houston are usually found in August or September, booked 46 days in advance, depart on a Thursday or Friday and return on a Wednesday
Cheap flight deals from St. Louis to Houston
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Cheapest flights from St. Louis to HoustonExplore the most affordable flight options available from St. Louis to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 8, 2026.
Explore the most affordable flight options available from St. Louis to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 8, 2026.
This CheapOair deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” 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.
Tue 12/16:13 pm -
1 stop19h 04m
Fri 12/48:40 pm -
1 stop14h 17m
Deal found 11/7![Frontier logo]()
$260
This CheapOair deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” 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.
Fri 12/184:21 pm -
1 stop5h 43m
Tue 12/225:01 am -
1 stop19h 40m
Deal found 11/7![Frontier logo]()
$264
This Expedia deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” 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 11/184:18 pm -
1 stop25h 22m
Wed 11/251:14 pm -
1 stop10h 45m
Deal found 11/5![Frontier logo]()
$265
This Expedia deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/213:04 pm -
1 stop18h 38m
Thu 11/263:52 pm -
1 stop20h 33m
Deal found 11/6![Frontier logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” 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.
Wed 11/253:04 pm -
2 stops22h 48m
Fri 11/275:01 am -
1 stop7h 24m
Deal found 11/5![Frontier logo]()
$271
This Mytrip deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/57:54 pm -
1 stop15h 23m
Sat 12/129:41 am -
2 stops14h 31m
Deal found 11/4![Frontier logo]()
$272
This Delta deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” 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 12/75:31 pm -
1 stop6h 00m
Tue 12/1510:41 am -
1 stop7h 32m
Deal found 11/6![Delta logo]()
$274
This Southwest deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” 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 12/52:55 pm -
1 stop6h 25m
Sat 12/125:55 pm -
Nonstop2h 00m
Deal found 11/4![Southwest logo]()
$276
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” 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 12/36:00 am -
Nonstop2h 21m
Mon 12/712:10 pm -
Nonstop2h 06m
Deal found 11/3![United Airlines logo]()
$276
This Mytrip deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/912:02 pm -
2 stops24h 46m
Sun 12/1311:24 am -
2 stops23h 53m
Deal found 11/6![Frontier logo]()
$277
This Trip.com deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” 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.
Wed 11/253:04 pm -
1 stop25h 00m
Tue 12/17:39 pm -
1 stop24h 32m
Deal found 11/7![Frontier logo]()
$279
This Frontier deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” 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.
Fri 11/203:04 pm -
1 stop9h 18m
Tue 11/2410:59 pm -
1 stop12h 04m
Deal found 11/5![Frontier logo]()
$280
Best flights from St. Louis to HoustonDiscover carefully curated flight deals from St. Louis to Houston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 8, 2026.
Discover carefully curated flight deals from St. Louis to Houston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 8, 2026.
This Southwest deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” 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 2/155:15 am -
Nonstop2h 10m
Wed 2/176:25 am -
1 stop5h 40m
Deal found 11/5![Southwest logo]()
$276
This Delta deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” 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 1/244:56 pm -
1 stop5h 22m
Wed 1/2711:12 am -
1 stop4h 39m
Deal found 11/3![Delta logo]()
$317
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” 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 12/53:00 pm -
Nonstop2h 25m
Tue 12/88:24 pm -
Nonstop2h 06m
Deal found 11/3![United Airlines logo]()
$317
This Southwest deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” 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 1/132:30 pm -
1 stop5h 15m
Fri 1/158:50 pm -
Nonstop2h 05m
Deal found 11/5![Southwest logo]()
$276
This Delta deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” 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 1/246:00 am -
1 stop5h 28m
Wed 1/276:59 pm -
1 stop4h 27m
Deal found 11/3![Delta logo]()
$317
This United Airlines deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” 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 2/156:10 am -
Nonstop2h 19m
Wed 2/178:20 pm -
Nonstop2h 05m
Deal found 11/5![United Airlines logo]()
$317
This Southwest deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” 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 2/12:30 pm -
2 stops5h 10m
Tue 2/165:00 am -
1 stop4h 35m
Deal found 11/3![Southwest logo]()
$291
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” 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 2/15:59 pm -
Nonstop2h 26m
Tue 2/168:20 pm -
Nonstop2h 05m
Deal found 11/3![United Airlines logo]()
$317
This Southwest deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” 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 2/22:30 pm -
2 stops6h 10m
Tue 2/99:05 am -
1 stop5h 45m
Deal found 11/3![Southwest logo]()
$291
This United Airlines deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” 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 12/186:15 am -
Nonstop2h 23m
Tue 12/228:23 pm -
Nonstop2h 07m
Deal found 11/5![United Airlines logo]()
$317
This Delta deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” 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 2/2010:15 am -
1 stop6h 21m
Sun 2/286:00 am -
1 stop5h 00m
Deal found 11/5![Delta logo]()
$353
This Southwest deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” 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 12/48:25 pm -
Nonstop2h 05m
Sun 12/68:30 pm -
1 stop4h 05m
Deal found 11/3![Southwest logo]()
$307
This Southwest deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” 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.
Sun 12/138:35 am -
1 stop4h 05m
Mon 12/147:30 am -
Nonstop2h 00m
Deal found 11/3![Southwest logo]()
$307
This United Airlines deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” 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 12/28:30 am -
Nonstop2h 31m
Sat 12/57:40 am -
Nonstop2h 05m
Deal found 11/7![United Airlines logo]()
$339
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” 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 12/71:18 pm -
1 stop5h 37m
Tue 12/157:40 am -
Nonstop2h 05m
Deal found 11/3![United Airlines logo]()
$344
This Southwest deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” 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 12/17:35 am -
2 stops6h 25m
Fri 12/49:05 am -
1 stop4h 15m
Deal found 11/4![Southwest logo]()
$322
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” 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 12/36:00 am -
Nonstop2h 21m
Mon 12/72:51 pm -
1 stop6h 06m
Deal found 11/3![United Airlines logo]()
$348
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” 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 11/181:08 pm -
1 stop6h 02m
Wed 12/24:30 pm -
Nonstop2h 11m
Deal found 11/3![United Airlines logo]()
$361
This United Airlines deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” 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 2/196:10 am -
Nonstop2h 19m
Sat 2/272:40 pm -
Nonstop2h 06m
Deal found 11/7![United Airlines logo]()
$364
Last-minute flights from St. Louis to HoustonDiscover last-minute flight deals from St. Louis to Houston. Data last updated November 8, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Houston. Data last updated November 8, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” 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 11/184:18 pm -
1 stop25h 22m
Wed 11/251:14 pm -
1 stop10h 45m
Deal found 11/5![Frontier logo]()
$265
This Frontier deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” 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.
Fri 11/203:04 pm -
1 stop9h 18m
Tue 11/2410:59 pm -
1 stop12h 04m
Deal found 11/5![Frontier logo]()
$280
This Expedia deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/213:04 pm -
1 stop18h 38m
Thu 11/263:52 pm -
1 stop20h 33m
Deal found 11/6![Frontier logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” 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.
Wed 11/253:04 pm -
2 stops22h 48m
Fri 11/275:01 am -
1 stop7h 24m
Deal found 11/5![Frontier logo]()
$271
This Trip.com deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” 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.
Wed 11/253:04 pm -
1 stop25h 00m
Tue 12/17:39 pm -
1 stop24h 32m
Deal found 11/7![Frontier logo]()
$279
This CheapOair deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” 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.
Tue 12/16:13 pm -
1 stop19h 04m
Fri 12/48:40 pm -
1 stop14h 17m
Deal found 11/7![Frontier logo]()
$260
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” 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 12/36:00 am -
Nonstop2h 21m
Mon 12/712:10 pm -
Nonstop2h 06m
Deal found 11/3![United Airlines logo]()
$276
This Mytrip deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/57:54 pm -
1 stop15h 23m
Sat 12/129:41 am -
2 stops14h 31m
Deal found 11/4![Frontier logo]()
$272
This Southwest deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” 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 12/52:55 pm -
1 stop6h 25m
Sat 12/125:55 pm -
Nonstop2h 00m
Deal found 11/4![Southwest logo]()
$276
This Delta deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” 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 12/75:31 pm -
1 stop6h 00m
Tue 12/1510:41 am -
1 stop7h 32m
Deal found 11/6![Delta logo]()
$274
This Mytrip deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/912:02 pm -
2 stops24h 46m
Sun 12/1311:24 am -
2 stops23h 53m
Deal found 11/6![Frontier logo]()
$277
This CheapOair deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” 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.
Fri 12/184:21 pm -
1 stop5h 43m
Tue 12/225:01 am -
1 stop19h 40m
Deal found 11/7![Frontier logo]()
$264
One-way flights from St. Louis to HoustonSearch for one-way flight options from St. Louis to Houston. Find affordable one-way fares based on user searches. Data last updated November 8, 2026.
Search for one-way flight options from St. Louis to Houston. Find affordable one-way fares based on user searches. Data last updated November 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” 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 12/412:02 pm -
1 stop29h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Frontier logo]()
$54
This Super.com deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:13 pm -
1 stop16h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Frontier logo]()
$93
This Travelocity deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:05 pm -
1 stop15h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Frontier logo]()
$95
This Southwest deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” 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 11/259:45 pm -
Nonstop2h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Southwest logo]()
$109
This United Airlines deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” 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 11/266:15 am -
Nonstop2h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![United Airlines logo]()
$109
This Super.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:05 pm -
1 stop6h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Frontier logo]()
$119
This Southwest deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” 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 12/37:35 am -
2 stops6h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Southwest logo]()
$124
This Super.com deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:05 pm -
1 stop15h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Frontier logo]()
$124
This Southwest deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” 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 12/55:50 am -
1 stop4h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Southwest logo]()
$130
This Southwest deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” 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 2/155:40 pm -
Nonstop2h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Southwest logo]()
$135
This Frontier deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/216:21 pm -
1 stop6h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Frontier logo]()
$146
This Super.com deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/147:59 pm -
1 stop28h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Frontier logo]()
$149
Find flight deals from St. Louis to Houston
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Houston (HO1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 8, 2026.
Round-trip from | $260 (CheapOair) |
|---|---|
One-way from | $54 (Kiwi.com) |
Popular in | November |
Cheapest in | August |
Average price | $452 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis 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 7,457,451 searches. Data last updated November 8, 2026.
Use the filters below to find and compare flights from St. Louis to Houston that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisHouston
STL Lambert-St Louis - HOU Houston Hobby
STLHOU
Lambert-St Louis
Mon 3/1
8:30 am-10:40 am
Nonstop2h 10m
Houston Hobby
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$109
St. LouisHouston
STL Lambert-St Louis - IAH Houston George Bush Intcntl
STLIAH
Lambert-St Louis
Thu 12/3
6:00 am-8:21 am
Nonstop2h 21m
Houston George Bush Intcntl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$109
St. LouisHouston
STL Lambert-St Louis - IAH Houston George Bush Intcntl
STLIAH
Lambert-St Louis
Fri 12/4
8:30 am-11:01 am
Nonstop2h 31m
Houston George Bush Intcntl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$109
St. LouisHouston
STL Lambert-St Louis - IAH Houston George Bush Intcntl
STLIAH
Lambert-St Louis
Thu 11/26
6:15 am-8:35 am
Nonstop2h 20m
Houston George Bush Intcntl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$109
St. LouisHouston
STL Lambert-St Louis - HOU Houston Hobby
STLHOU
Lambert-St Louis
Thu 12/3
7:35 am-2:00 pm
2 stops6h 25m
Houston Hobby
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$124
St. LouisHouston
STL Lambert-St Louis - IAH Houston George Bush Intcntl
STLIAH
Lambert-St Louis
Wed 11/25
6:35 pm-12:19 pm
2 stops17h 44m
Houston George Bush Intcntl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$133
St. LouisHouston
STL Lambert-St Louis - HOU Houston Hobby
STLHOU
Lambert-St Louis
Mon 2/15
5:40 pm-7:55 pm
Nonstop2h 15m
Houston Hobby
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$135
St. LouisHouston
STL Lambert-St Louis - IAH Houston George Bush Intcntl
STLIAH
Lambert-St Louis
Mon 11/30
6:05 pm-10:11 am
1 stop16h 06m
Houston George Bush Intcntl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$149
St. LouisHouston
STL Lambert-St Louis - IAH Houston George Bush Intcntl
STLIAH
Lambert-St Louis
Wed 11/25
8:30 am-11:01 am
Nonstop2h 31m
Houston George Bush Intcntl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$159
St. LouisHouston
STL Lambert-St Louis - IAH Houston George Bush Intcntl
STLIAH
Lambert-St Louis
Fri 11/27
5:00 am-9:56 am
1 stop4h 56m
Houston George Bush Intcntl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$199
Showing 1-10 of 36 resultsSorted by cheapest first
Best time to book a flight from St. Louis to Houston
Have a flexible travel schedule? Discover the best time to fly to Houston from St. Louis with our price prediction graph.
STL-HO1
STL-IAH
STL-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 St. Louis to Houston
STL-HO1
STL-IAH
STL-HOU
What is the cheapest month to book a flight from St. Louis to Houston?
Currently, January is the cheapest month in which you can book a flight from St. Louis to Houston (average of $349). Flying from St. Louis to Houston in February is currently the most expensive (average of $448). 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 STL to HOU?
Find hourly flight availability from St. Louis to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 8, 2026.
A simple way to save on the total cost of your ticket is to fly from St. Louis to Houston in the evening. If you’re flexible enough to do this you can expect to save up to 22% on your trip compared to booking a flight at noon.
Weekly flight availability from St. Louis to Houston
Explore weekly flight availability from St. Louis to Houston. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated November 8, 2026.
The most flights from STL to HO1 are scheduled on a Monday (5 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).
How much does it cost to fly round-trip from St. Louis to Houston?
Airfare is below average for this route at the moment.
St. Louis to Houston flights typically cost between $351 and $548 in December.The cheapest round-trip price found within the last 5 days was $260 on Frontier (Dec 1-Dec 4).
How far ahead should I book a flight from St. Louis to Houston?
To ensure you get the cheapest price possible for a flight from St. Louis to Houston, you should look to book at least 61 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest day to fly from St. Louis to Houston?
Use this chart to determine the cheapest time to fly round-trip from St. Louis to Houston. Price data was last updated on November 7, 2026.
Travelers seeking maximum savings on their St. Louis to Houston flight should consider departing on Thursday afternoons when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
The best insider tips for St. Louis to Houston flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your St. Louis to Houston trip
Our travel experts
Reviews of airlines servicing Houston
Get insights into the airlines that provide service to Houston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Houston. Reviews last updated November 8, 2026.
Get a feel of what it's like to fly with Southwest,United Airlines, andJetBlue from St. Louis to Houston by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Houston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Complete your trip
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St. Louis and Houston flights
Browse other St. Louis and Houston flight options. Last updated on November 8, 2026.
Other flights from St. Louis
Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on November 8, 2026.
Popular flight searches
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Top 5 airlines flying from St. Louis to Houston
Discover the top 5 airlines that operate flights from St. Louis 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 7,457,451 searches. Data last updated November 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$128 | Average$276 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$182 | Average$445 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$217 | Average$420 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$253 | Average$407 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$269 | Average$336 | FlexibilityNo cancel fee | On-time62% |