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Flights from St. Louis to Houston
Cheap flight deals from St. Louis to Houston
We've found these cheap flights for you. You can book one-way or round-trip flight tickets.
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Round-trip
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One way
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Cheapest nonstopSTL 18:152h 25mNonstopIAH 20:40St. Louis - Houston | Tue, Jul 15 | United AirlinesIAH 16:402h 13mNonstopSTL 18:53Houston - St. Louis | Tue, Jul 22 | United AirlinesRp 3,082,894 Rp 4,447,17031% OFF31% OFFRp 4,447,170 Rp 3,082,894
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STL 14:368h 24m1 stopsIAH 23:00St. Louis - Houston | Thu, Jun 12 | Frontier AirlinesIAH 20:5626h 57m1 stopsSTL 23:53Houston - St. Louis | Sun, Jun 15 | Frontier AirlinesRp 2,808,607 Rp 4,447,17037% OFF37% OFFRp 4,447,170 Rp 2,808,607
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STL 06:004h 47m1 stopsIAH 10:47St. Louis - Houston | Fri, Jul 18 | Delta Air LinesIAH 18:005h 53m1 stopsSTL 23:53Houston - St. Louis | Sat, Jul 19 | Delta Air LinesRp 3,017,156 Rp 4,447,17032% OFF32% OFFRp 4,447,170 Rp 3,017,156
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STL 06:004h 47m1 stopsIAH 10:47St. Louis - Houston | Thu, Jul 31 | Delta Air LinesHOU 10:195h 59m1 stopsSTL 16:18Houston - St. Louis | Thu, Aug 7 | Delta Air LinesRp 3,019,42332% OFFRp 4,447,170 Rp 3,019,423
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STL 06:004h 47m1 stopsIAH 10:47St. Louis - Houston | Tue, Jul 15 | Delta Air LinesIAH 09:365h 1m1 stopsSTL 14:37Houston - St. Louis | Tue, Jul 22 | Delta Air LinesRp 3,019,42332% OFFRp 4,447,170 Rp 3,019,423
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STL 06:004h 47m1 stopsIAH 10:47St. Louis - Houston | Sat, Jun 21 | Delta Air LinesIAH 11:424h 43m1 stopsSTL 16:25Houston - St. Louis | Thu, Jun 26 | Delta Air LinesRp 3,021,69032% OFFRp 4,447,170 Rp 3,021,690
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STL 09:315h 23m1 stopsIAH 14:54St. Louis - Houston | Thu, Jul 10 | Delta Air LinesIAH 17:595h 54m1 stopsSTL 23:53Houston - St. Louis | Sun, Jul 13 | Delta Air LinesRp 3,119,16330% OFFRp 4,447,170 Rp 3,119,163
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STL 10:307h 30m1 stopsIAH 18:00St. Louis - Houston | Mon, Jun 23 | Delta Air LinesIAH 05:304h 13m1 stopsSTL 09:43Houston - St. Louis | Thu, Jun 26 | Delta Air LinesRp 3,130,49830% OFFRp 4,447,170 Rp 3,130,498
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STL 14:2725h 45m1 stopsIAH 16:12St. Louis - Houston | Sun, Jun 22 | Frontier AirlinesIAH 06:0027h 12m1 stopsSTL 09:12Houston - St. Louis | Thu, Jun 26 | Frontier AirlinesRp 3,259,70727% OFFRp 4,447,170 Rp 3,259,707
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STL 14:368h 20m1 stopsIAH 22:56St. Louis - Houston | Thu, Jul 17 | Frontier AirlinesIAH 06:007h 34m1 stopsSTL 13:34Houston - St. Louis | Sun, Jul 20 | Frontier AirlinesRp 3,379,84924% OFFRp 4,447,170 Rp 3,379,849
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STL 13:0017h 25m1 stopsHOU Invalid DateSt. Louis - Houston | Wed, Jun 11 | Normal AirlineHOU 15:006hNonstopSTL 16:00Houston - St. Louis | Fri, Jun 13 | Normal AirlineFind More FlightsFind More Flights
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Cheapest nonstopSTL 05:102h 5mNonstopHOU 07:15St. Louis - Houston | Tue, Jun 10 | Southwest AirlinesRp 1,736,395 Rp 2,326,48825% OFF25% OFFRp 2,326,488 Rp 1,736,395
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STL 05:102h 5mNonstopHOU 07:15St. Louis - Houston | Mon, Jun 9 | Southwest AirlinesRp 1,736,395 Rp 2,326,48825% OFF25% OFFRp 2,326,488 Rp 1,736,395
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STL 09:315h 50m1 stopsHOU 15:21St. Louis - Houston | Thu, Jul 31 | Delta Air LinesRp 1,525,579 Rp 2,326,48834% OFF34% OFFRp 2,326,488 Rp 1,525,579
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STL 05:304h 13m1 stopsHOU 09:43St. Louis - Houston | Tue, Jun 10 | American AirlinesRp 1,618,52030% OFFRp 2,326,488 Rp 1,618,520
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STL 14:528h 8m1 stopsIAH 23:00St. Louis - Houston | Sat, Jun 14 | Frontier AirlinesRp 1,643,45528% OFFRp 2,326,488 Rp 1,643,455
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STL 17:4717h 14m1 stopsIAH 11:01St. Louis - Houston | Tue, Jun 17 | Frontier AirlinesRp 1,713,72726% OFFRp 2,326,488 Rp 1,713,727
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STL 14:528h 8m1 stopsIAH 23:00St. Louis - Houston | Sat, Jun 28 | Frontier AirlinesRp 1,720,52726% OFFRp 2,326,488 Rp 1,720,527
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STL 19:2914h 55m1 stopsIAH 10:24St. Louis - Houston | Wed, Jul 16 | Frontier AirlinesRp 1,765,86424% OFFRp 2,326,488 Rp 1,765,864
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STL 17:4017h 8m1 stopsIAH 10:48St. Louis - Houston | Wed, Jul 23 | Frontier AirlinesRp 1,765,86424% OFFRp 2,326,488 Rp 1,765,864
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STL 17:4017h 8m1 stopsIAH 10:48St. Louis - Houston | Tue, Aug 5 | Frontier AirlinesRp 1,768,13124% OFFRp 2,326,488 Rp 1,768,131
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STL 13:0017h 25m1 stopsHOU Invalid DateSt. Louis - Houston | Wed, Jun 11 | Normal AirlineFind More FlightsFind More Flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
Flight Info | St. Louis to Houston
Cheapest one-way flight price | Rp 1,509,711 |
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Cheapest round-trip ticket price | Rp 3,082,893 |
Off-season for travel | April |
Peak season for travel | March |
Flight distance | 1,102.16 km |
Average flight time | 2 hours 46 minutes |
Popular airline | Frontier Airlines |
When is the cheapest time to fly from St. Louis to Houston?
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Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Frequently Asked Questions
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When are flight tickets from St. Louis (STL) to Houston (HOU) the cheapest?
Airlines adjust prices for flights from St. Louis to Houston based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays. -
How much do flights from St. Louis (STL) to Houston (HOU) cost?
According to Trip.com's data, the lowest price is around Rp 8,421,286. -
How long does it take to fly from St. Louis (STL) to Houston (HOU) and what is the distance?
It takes around 2 hours 46 minutes to fly from St. Louis (STL) to Houston (HOU). -
What are the most popular airlines that fly from St. Louis (STL) to Houston (HOU)?
Airlines with flights from St. Louis (STL) to Houston (HOU): Southwest Airlines, Air New Zealand, Copa Airlines, United Airlines, Virgin Australia and All Nippon Airways.
How to find a cheap flight from St. Louis to Houston
Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from St. Louis to Houston. Book your flights at the right time and save more.
Be flexible with your travel dates to get the cheapest St. Louis to Houston ticket.
Tap "Date" in the flight search bar to browse the calendar and find airfare from St. Louis to Houston for the next six months in 2025. If you're looking to fly within the next three months, the lowest fare is Rp 1736395 for a one-way ticket on Tue, Jun 10.
Compare cheap St. Louis to Houston flight deals from hundreds of airlines.
Our powerful search system compares prices from over 500 airlines. So you can find the cheapest flights from St. Louis to Houston. The most affordable airline currently operating on this route is Southwest Airlines.
Set up a Price Alert to track fare drops.
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Book early or wait unitl the last minute to fine the best fares.
It's always better to book early! Airlines typically release their lowest fares about a year before departure, so check as soon as flights become available. If you miss that window, you may still find great deals closer to your travel date.
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