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$58 Find cheap flights from St. Louis to Houston

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from St. Louis to Houston departing on 6/11. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Sat 6/15
Sat 6/22

Search hundreds of travel sites at once for deals on flights to Houston

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Houston, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Houston, as well as popular online travel agencies
In the last 7 days travelers have searched 42,211,976 times on KAYAK, and here is why:

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Cheap flight deals from St. Louis to Houston (STL-HOU)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from St. Louis to Houston that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
10:44 pm - 8:33 amSTL-IAH
9h 49m1 stop
10:56 pm - 2:37 pmIAH-STL
15h 41m1 stop
$97Frontier
Find Deal
Tue, Jun 4 - Sat, Jun 15
8:04 pm - 8:45 pmSTL-HOU
24h 41m1 stop
10:44 pm - 2:32 pmHOU-STL
15h 48m1 stop
$98Frontier
Find Deal
Wed, May 29 - Wed, Jun 5
6:22 pm - 10:01 amSTL-IAH
15h 39m1 stop
6:17 am - 1:05 pmIAH-STL
30h 48m2 stops
$201Spirit Airlines
Find Deal
Thu, Jun 6 - Tue, Jun 11
6:22 pm - 10:01 amSTL-IAH
15h 39m1 stop
6:17 am - 1:05 pmIAH-STL
30h 48m3 stops
$211Spirit Airlines
Find Deal
Thu, Jun 6 - Tue, Jun 11
4:10 pm - 12:36 amSTL-IAH
32h 26m3 stops
3:52 pm - 5:28 pmIAH-STL
25h 36m3 stops
$251
Find Deal
Wed, May 29 - Wed, Jun 5
6:15 am - 8:22 amSTL-IAH
2h 07mnonstop
8:11 pm - 10:15 pmIAH-STL
2h 04mnonstop
$256United Airlines
Find Deal
Thu, May 30 - Thu, Jun 6
9:45 am - 8:34 amSTL-IAH
22h 49m3 stops
6:17 am - 1:05 pmIAH-STL
30h 48m2 stops
$260
Find Deal
Thu, Jun 6 - Tue, Jun 11
6:15 am - 8:22 amSTL-IAH
2h 07mnonstop
8:11 pm - 10:15 pmIAH-STL
2h 04mnonstop
$264United Airlines
Find Deal
Fri, May 31 - Mon, Jun 3
5:27 am - 9:44 amSTL-HOU
4h 17m1 stop
5:00 am - 8:54 amHOU-STL
3h 54m1 stop
$277American Airlines
Find Deal
Mon, Jun 17 - Tue, Jun 18
9:43 am - 5:53 pmSTL-HOU
8h 10m1 stop
6:27 pm - 10:57 pmHOU-STL
4h 30m1 stop
$284American Airlines
Find Deal
Fri, May 31 - Sat, Jun 15

Flights from St. Louis to Houston - Travel Insights & Trends

Get data-powered insights and trends into flights from St. Louis to Houston to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest St. Louis to Houston flight route?

The cheapest price for flight routes found by users searching on KAYAK in the last 2 weeks for one-way flights from St. Louis to Houston.
Our data shows that the cheapest route for a one-way flight from St. Louis to Houston cost $151 and was between St. Louis and Houston George Bush Intcntl Airport. On average, the best prices are found if you fly this route. The average price for a return flight for this route is $277.

What’s the cheapest day of the week to fly from St. Louis to Houston?

The average price of all flights from St. Louis to Houston clicked on KAYAK for each day over the last 12 months.
Your flight ticket price will generally be cheaper if you fly to Houston on a Tuesday and more expensive on a Monday. On your return trip to St. Louis, you should consider flying back on a Thursday, and avoid Fridays for better deals.

What is the cheapest month to fly from St. Louis to Houston?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from St. Louis to Houston, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from St. Louis to Houston is April, where tickets cost $304 on average. On the other hand, the most expensive months are December and November, where the average cost of tickets is $399 and $377 respectively.

How far in advance should I book a flight from St. Louis to Houston?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from St. Louis to Houston, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from St. Louis to Houston, you should book around 2 weeks before departure. For the absolute cheapest price, our data suggests you should book 72 days before departure.

Which airlines provide the cheapest flights from St. Louis to Houston?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the last 3 days, Spirit Airlines offered the best one-way deal for that route, at $58. KAYAK users also found St. Louis to Houston round-trip flights on Frontier from $97 and on Spirit Airlines from $201.

Which airlines fly non-stop between St. Louis and Houston?

Airline and price data is aggregated from results in KAYAK’s search results from the last 2 weeks for flights from St. Louis to Houston.
There are 2 airlines that fly nonstop from St. Louis to Houston. They are Southwest and United Airlines. The cheapest airline for this route is United Airlines, with the best one-way deal found costing $188. On average, the best prices for this route can be found at United Airlines.

How many flights are there between St. Louis and Houston per day?

Each day, there are between 9 and 15 nonstop flights that take off from St. Louis and land in Houston, with an average flight time of 2h 04m. The most common departure time is 5:00 am and most flights take off in the morning, while the most flights land at Houston Hobby Airport. Each week, there are 93 flights. The most frequent day of departure is Thursday, when 16% of all weekly flights depart. The fewest flights depart on a Saturday.

Which cabin class options are there for flights between St. Louis and Houston?

The average price of flights for each cabin class for the route found by users searching on KAYAK over the last 2 weeks.
There are 4 cabin class options for the route. These are First, Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

How long does a flight from St. Louis to Houston take?

There are no direct flights for this route. The shortest travel duration to get to Houston from St. Louis is 2h 05m.

Good to know

Cheapest flight

$58
Flight from St. Louis to Houston George Bush Airport

When to book flights from St. Louis to Houston

Are your dates flexible? Find out the best times to travel from St. Louis to Houston based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from St. Louis to Houston

  • What is the cheapest flight from St. Louis to Houston?

    In the last 3 days, the lowest price for a flight from St. Louis to Houston was $58 for a one-way ticket and $97 for a round-trip.

  • Do I need a passport to fly between St. Louis and Houston?

    A passport is required to fly from St. Louis to Houston.

  • Which airports will I be using when flying from St. Louis to Houston?

    St. Louis is served by only 1 airport and there are 2 airports in Houston. You will leave St. Louis from Lambert-St Louis and you will be arriving in Houston at one of these airports: Houston Hobby or Houston George Bush Intcntl.

  • Which aircraft models fly most regularly from St. Louis to Houston?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from St. Louis to Houston?

    oneworld, Star Alliance, and SkyTeam are the airline alliances operating flights between St. Louis and Houston, with SkyTeam being the most commonly used for this route.

  • How does KAYAK find such low prices on flights from St. Louis to Houston?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from St. Louis to Houston.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from St. Louis to Houston?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Houston from St. Louis is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from St. Louis to Houston?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Houston with an airline and back to St. Louis with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from St. Louis to Houston?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Houston from St. Louis up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Prefer to fly non-stop from St. Louis to Houston?

Find which airlines fly direct from Lambert-St Louis to Houston, which days they fly and book direct flights.

Nonstop departures

Lambert-St Louis to Houston

Monday

ANA, Air New Zealand, Copa Airlines, +3 more

ANA, Air New Zealand, +4 more

Tuesday

ANA, Air New Zealand, Copa Airlines, +3 more

ANA, Air New Zealand, +4 more

Wednesday

ANA, Air New Zealand, Copa Airlines, +3 more

ANA, Air New Zealand, +4 more

Thursday

ANA, Air New Zealand, Copa Airlines, +3 more

ANA, Air New Zealand, +4 more

Friday

ANA, Air New Zealand, Copa Airlines, +3 more

ANA, Air New Zealand, +4 more

Saturday

ANA, Air New Zealand, Copa Airlines, +3 more

ANA, Air New Zealand, +4 more

Sunday

ANA, Air New Zealand, Copa Airlines, +3 more

ANA, Air New Zealand, +4 more

See more direct flights

Nonstop returns

Houston to Lambert-St Louis

Monday

ANA, Air New Zealand, Copa Airlines, +4 more

ANA, Air New Zealand, +5 more

Tuesday

ANA, Air New Zealand, Copa Airlines, +4 more

ANA, Air New Zealand, +5 more

Wednesday

ANA, Air New Zealand, Copa Airlines, +4 more

ANA, Air New Zealand, +5 more

Thursday

ANA, Air New Zealand, Copa Airlines, +4 more

ANA, Air New Zealand, +5 more

Friday

ANA, Air New Zealand, Copa Airlines, +4 more

ANA, Air New Zealand, +5 more

Saturday

ANA, Air New Zealand, Copa Airlines, +4 more

ANA, Air New Zealand, +5 more

Sunday

ANA, Air New Zealand, Copa Airlines, +4 more

ANA, Air New Zealand, +5 more

See more direct flights
See more direct flights

Book cheap flights from St. Louis to Houston

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from St. Louis to Houston found on KAYAK in the last 72 hours.
6/11Tue
2 stopsSpirit Airlines
11h 18mSTL-IAH
$58
6/11Tue
1 stopSpirit Airlines
9h 55mSTL-IAH
$59
6/24Mon
1 stopFrontier
6h 10mSTL-IAH
$75
6/3Mon
1 stopFrontier
25h 58mSTL-HOU
$81
8/10Sat
1 stopAmerican Airlines
3h 57mSTL-HOU
$128
5/31Fri
nonstopUnited Airlines
2h 05mSTL-IAH
$145
10/4Fri
1 stopAmerican Airlines
5h 55mSTL-HOU
$146
6/3Mon
nonstopUnited Airlines
2h 17mSTL-IAH
$155
6/3Mon
3 stops
20h 53mSTL-IAH
$163
5/24Fri
2 stops
25h 42mSTL-IAH
$166

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Last minute flights from St. Louis to Houston

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from St. Louis to Houston that are departing in the next 10 days.
5/21Tue
multi-stopFrontier
12h 00mSTL-IAH
5/22Wed
multi-stopFrontier
23h 24mIAH-STL
$133
5/21Tue
multi-stopFrontier
12h 00mSTL-IAH
5/23Thu
multi-stopFrontier
5h 51mIAH-STL
$142
5/21Tue
multi-stop
22h 34mSTL-IAH
5/22Wed
multi-stop
15h 14mIAH-STL
$319
5/21Tue
multi-stop
22h 34mSTL-IAH
5/22Wed
multi-stop
21h 18mIAH-STL
$376
5/20Mon
multi-stopSpirit Airlines
12h 39mSTL-IAH
5/22Wed
multi-stopSpirit Airlines
24h 07mIAH-STL
$441
5/21Tue
multi-stopAmerican Airlines
4h 24mSTL-HOU
5/22Wed
multi-stopAmerican Airlines
4h 37mHOU-STL
$446
5/20Mon
multi-stopSpirit Airlines
12h 39mSTL-IAH
5/22Wed
multi-stopSpirit Airlines
24h 07mIAH-STL
$459
5/20Mon
multi-stopAmerican Airlines
4h 35mSTL-HOU
5/22Wed
multi-stopAmerican Airlines
5h 00mHOU-STL
$555
5/21Tue
nonstopUnited Airlines
2h 13mSTL-IAH
5/22Wed
nonstopUnited Airlines
2h 04mIAH-STL
$591
5/21Tue
multi-stopUnited Airlines
5h 42mSTL-IAH
5/22Wed
nonstopUnited Airlines
2h 03mIAH-STL
$601

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St. Louis - Houston Flights

Departure:

St. Louis (undefined)United States

Return flight deals:

Houston - St. Louis

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