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$49 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 5/21. 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
sex 6/7
sex 6/14

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 43,968,530 times on KAYAK, and here is why:

Save 21% or moreCompare multiple travel sites with one search.

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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
7:44 pm - 7:44 amSTL-IAH
12h 00m1 stop
4:15 pm - 10:06 pmIAH-STL
5h 51m1 stop
$98Frontier
Find Deal
ter, mai 21 - qui, mai 23
10:44 pm - 1:41 pmSTL-HOU
14h 57m1 stop
9:35 pm - 9:36 amHOU-STL
12h 01m1 stop
$104Frontier
Find Deal
ter, mai 21 - qui, mai 23
2:35 pm - 9:37 pmSTL-IAH
7h 02m1 stop
9:23 pm - 9:29 amIAH-STL
12h 06m1 stop
$115
Find Deal
ter, jun 4 - ter, jun 11
2:35 pm - 9:37 pmSTL-IAH
7h 02m1 stop
9:23 pm - 9:29 amIAH-STL
12h 06m1 stop
$131
Find Deal
ter, jun 4 - ter, jun 11
10:34 am - 11:15 amSTL-IAH
24h 41m1 stop
5:15 am - 2:23 pmIAH-STL
9h 08m1 stop
$138Spirit Airlines
Find Deal
ter, jun 4 - ter, jun 11
2:35 pm - 12:39 amSTL-IAH
34h 04m2 stops
5:15 am - 2:23 pmIAH-STL
9h 08m1 stop
$141Spirit Airlines
Find Deal
ter, jun 4 - ter, jun 11
5:27 am - 9:44 amSTL-HOU
4h 17m1 stop
5:00 am - 8:54 amHOU-STL
3h 54m1 stop
$264American Airlines
Find Deal
qua, jun 5 - qua, jun 12
4:55 pm - 7:00 pmSTL-IAH
2h 05mnonstop
8:11 pm - 10:15 pmIAH-STL
2h 04mnonstop
$267United Airlines
Find Deal
dom, mai 26 - ter, mai 28
5:31 pm - 11:30 pmSTL-IAH
5h 59m1 stop
6:15 pm - 8:25 pmIAH-STL
2h 10mnonstop
$280United Airlines
Find Deal
ter, jun 18 - sex, jun 21
9:44 am - 3:55 pmSTL-HOU
6h 11m1 stop
5:00 am - 8:54 amHOU-STL
3h 54m1 stop
$290American Airlines
Find Deal
qua, jun 26 - sáb, jun 29

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 $148 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 $268.

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 $49. KAYAK users also found St. Louis to Houston round-trip flights on Frontier from $98 and on Spirit Airlines from $138.

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 10 and 16 nonstop flights that take off from St. Louis and land in Houston, with an average flight time of 2h 08m. The most common departure time is 8:00 am and most flights take off in the morning, while the most flights land at Houston Hobby Airport. Each week, there are 96 flights. The most frequent day of departure is Thursday, when 17% of all weekly flights depart. The fewest flights depart on a Sunday.

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

$49
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 $49 for a one-way ticket and $98 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.
5/21ter
1 stopSpirit Airlines
23h 58mSTL-IAH
$49
5/21ter
1 stopFrontier
14h 57mSTL-HOU
$55
10/4sex
1 stopAmerican Airlines
5h 07mSTL-IAH
$146
10/4sex
1 stopAmerican Airlines
3h 40mSTL-HOU
$147
5/14ter
3 stops
24h 57mSTL-IAH
$150
5/14ter
2 stops
25h 48mSTL-IAH
$153
6/19qua
nonstopUnited Airlines
2h 07mSTL-IAH
$158
10/4sex
nonstopUnited Airlines
2h 07mSTL-IAH
$173
5/15qua
1 stopDelta
5h 31mSTL-HOU
$222
5/14ter
1 stopDelta
5h 12mSTL-HOU
$398

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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.
5/9qui
multi-stopFrontier
22h 30mSTL-IAH
5/14ter
multi-stopFrontier
24h 24mIAH-STL
$238
5/9qui
multi-stopFrontier
9h 49mSTL-IAH
5/14ter
multi-stopFrontier
23h 34mIAH-STL
$239
5/9qui
multi-stopFrontier
27h 24mSTL-HOU
5/14ter
multi-stopFrontier
17h 48mHOU-STL
$264
5/9qui
multi-stopSpirit Airlines
11h 30mSTL-IAH
5/14ter
multi-stopSpirit Airlines
28h 19mIAH-STL
$416
5/9qui
multi-stop
33h 52mSTL-IAH
5/14ter
multi-stop
12h 35mIAH-STL
$479
5/9qui
multi-stop
33h 52mSTL-IAH
5/14ter
multi-stop
16h 09mIAH-STL
$486
5/12dom
multi-stopSpirit Airlines
5h 51mSTL-IAH
5/19dom
multi-stopSpirit Airlines
33h 29mIAH-STL
$538
5/9qui
nonstopUnited Airlines
2h 23mSTL-IAH
5/14ter
nonstopUnited Airlines
2h 08mIAH-STL
$684
5/9qui
nonstopUnited Airlines
2h 21mSTL-IAH
5/14ter
multi-stopUnited Airlines
5h 41mIAH-STL
$693
5/12dom
multi-stopAmerican Airlines
8h 02mSTL-HOU
5/19dom
multi-stopAmerican Airlines
4h 37mHOU-STL
$708

Search by stops

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St. Louis - Houston Flights

Departure:

St. Louis (undefined)United States

Return flight deals:

Houston - St. Louis

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