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Cheap flights from St. Louis to Houston from $90

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Houston departing on 9/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Houston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
4:20 pm - 6:20 pmSTL  Lambert-St Louis-HOU Houston Hobby
2h 00mnonstop
Southwest Logo
7:45 am - 9:50 amHOU  Houston Hobby-STL Lambert-St Louis
2h 05mnonstop
$199Southwest
Sat, Sep 5 - Sun, Sep 6
Southwest Logo
8:20 am - 10:20 amSTL  Lambert-St Louis-HOU Houston Hobby
2h 00mnonstop
Southwest Logo
4:05 pm - 6:05 pmHOU  Houston Hobby-STL Lambert-St Louis
2h 00mnonstop
$199Southwest
Sun, Sep 6 - Fri, Sep 11
Southwest Logo
12:15 pm - 2:15 pmSTL  Lambert-St Louis-HOU Houston Hobby
2h 00mnonstop
Southwest Logo
7:35 am - 9:35 amHOU  Houston Hobby-STL Lambert-St Louis
2h 00mnonstop
$208Southwest
Fri, Sep 11 - Tue, Sep 15
Southwest Logo
1:55 pm - 6:50 pmSTL  Lambert-St Louis-HOU Houston Hobby
4h 55m1 stop New Orleans Louis Armstrong
Southwest Logo
7:45 am - 9:50 amHOU  Houston Hobby-STL Lambert-St Louis
2h 05mnonstop
$208Southwest
Sat, Sep 5 - Sun, Sep 6
Delta Logo
3:44 pm - 9:23 pmSTL  Lambert-St Louis-HOU Houston Hobby
5h 39m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:00 am - 11:56 amHOU  Houston Hobby-STL Lambert-St Louis
5h 56m1 stop Atlanta Hartsfield-Jackson
$237Delta
Sat, Sep 5 - Sun, Sep 6
American Airlines Logo
8:36 am - 3:26 pmSTL  Lambert-St Louis-HOU Houston Hobby
6h 50m1 stop Dallas/Fort Worth
American Airlines Logo
1:56 pm - 7:07 pmHOU  Houston Hobby-STL Lambert-St Louis
5h 11m1 stop Dallas/Fort Worth
$246American Airlines
Sun, Sep 6 - Sat, Sep 12
Delta Logo
3:39 pm - 10:05 pmSTL  Lambert-St Louis-HOU Houston Hobby
6h 26m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:00 am - 11:56 amHOU  Houston Hobby-STL Lambert-St Louis
5h 56m1 stop Atlanta Hartsfield-Jackson
$246Delta
Tue, Sep 1 - Sun, Sep 6
Delta Logo
5:38 pm - 11:03 pmSTL  Lambert-St Louis-HOU Houston Hobby
5h 25m1 stop Atlanta Hartsfield-Jackson
Delta Logo
5:28 pm - 11:54 pmHOU  Houston Hobby-STL Lambert-St Louis
6h 26m1 stop Atlanta Hartsfield-Jackson
$255Delta
Sat, Oct 17 - Mon, Oct 19
American Airlines Logo
7:00 am - 1:25 pmSTL  Lambert-St Louis-HOU Houston Hobby
6h 25m1 stop Dallas/Fort Worth
American Airlines Logo
6:19 pm - 11:43 pmHOU  Houston Hobby-STL Lambert-St Louis
5h 24m1 stop Dallas/Fort Worth
$257American Airlines
Wed, Sep 9 - Thu, Sep 10
American Airlines Logo
7:10 pm - 11:49 pmSTL  Lambert-St Louis-HOU Houston Hobby
4h 39m1 stop Dallas/Fort Worth
American Airlines Logo
2:01 pm - 7:48 pmHOU  Houston Hobby-STL Lambert-St Louis
5h 47m1 stop Dallas/Fort Worth
$278American Airlines
Thu, Oct 8 - Sat, Oct 10

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American Airlines flights from St. Louis to Houston Hobby Airport

Our best American Airlines deals on St. Louis to Houston Hobby Airport flight tickets
American Airlines
Sep 9
STL7:00 amLambert-St Louis
6h 25m
1 stop
HOU1:25 pmHouston Hobby
Sep 10
HOU6:19 pmHouston Hobby
5h 24m
1 stop
STL11:43 pmLambert-St Louis
$257
American Airlines
Oct 8
STL7:10 pmLambert-St Louis
4h 39m
1 stop
HOU11:49 pmHouston Hobby
Oct 10
HOU2:01 pmHouston Hobby
5h 47m
1 stop
STL7:48 pmLambert-St Louis
$278
American Airlines
Aug 20
STL12:45 pmLambert-St Louis
4h 59m
1 stop
HOU5:44 pmHouston Hobby
Aug 23
HOU9:32 amHouston Hobby
5h 13m
1 stop
STL2:45 pmLambert-St Louis
$674

Southwest flights from St. Louis to Houston Hobby Airport

Our best Southwest deals on St. Louis to Houston Hobby Airport flight tickets
Southwest
Sep 5
STL4:20 pmLambert-St Louis
2h 00m
HOU6:20 pmHouston Hobby
Sep 6
HOU7:45 amHouston Hobby
2h 05m
STL9:50 amLambert-St Louis
$199
Southwest
Sep 5
STL1:55 pmLambert-St Louis
4h 55m
1 stop
HOU6:50 pmHouston Hobby
Sep 6
HOU7:45 amHouston Hobby
2h 05m
STL9:50 amLambert-St Louis
$208
Southwest
Sep 6
STL2:25 pmLambert-St Louis
2h 00m
HOU4:25 pmHouston Hobby
Sep 11
HOU7:50 pmHouston Hobby
2h 05m
STL9:55 pmLambert-St Louis
$217

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Houston Hobby Airport 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, momondo users made 832,500 searches. Data last updated August 12, 2026.
Use the filters below to find and compare flights from St. Louis to Houston Hobby Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisHouston

STL Lambert-St Louis - HOU Houston Hobby

STLHOU

Lambert-St Louis

Sat 9/5

4:20 pm-6:20 pm

Nonstop2h 00m

Houston Hobby

Sun 9/6

7:45 am-9:50 am

Nonstop2h 05m

$199
Quickest round-trip

St. LouisHouston

STL Lambert-St Louis - HOU Houston Hobby

STLHOU

Lambert-St Louis

Sun 9/6

8:20 am-10:20 am

Nonstop2h 00m

Houston Hobby

Fri 9/11

4:05 pm-6:05 pm

Nonstop2h 00m

$199

St. LouisHouston

STL Lambert-St Louis - HOU Houston Hobby

STLHOU

Lambert-St Louis

Fri 9/11

12:15 pm-2:15 pm

Nonstop2h 00m

Houston Hobby

Tue 9/15

7:35 am-9:35 am

Nonstop2h 00m

$208

St. LouisHouston

STL Lambert-St Louis - HOU Houston Hobby

STLHOU

Lambert-St Louis

Sat 9/5

1:55 pm-6:50 pm

1 stop4h 55m

Houston Hobby

Sun 9/6

7:45 am-9:50 am

Nonstop2h 05m

$208

St. LouisHouston

STL Lambert-St Louis - HOU Houston Hobby

STLHOU

Lambert-St Louis

Sat 9/5

3:44 pm-9:23 pm

1 stop5h 39m

Houston Hobby

Sun 9/6

6:00 am-11:56 am

1 stop5h 56m

$237

St. LouisHouston

STL Lambert-St Louis - HOU Houston Hobby

STLHOU

Lambert-St Louis

Sun 9/6

8:36 am-3:26 pm

1 stop6h 50m

Houston Hobby

Sat 9/12

1:56 pm-7:07 pm

1 stop5h 11m

$246

St. LouisHouston

STL Lambert-St Louis - HOU Houston Hobby

STLHOU

Lambert-St Louis

Tue 9/1

3:39 pm-10:05 pm

1 stop6h 26m

Houston Hobby

Sun 9/6

6:00 am-11:56 am

1 stop5h 56m

$246

St. LouisHouston

STL Lambert-St Louis - HOU Houston Hobby

STLHOU

Lambert-St Louis

Sat 10/17

5:38 pm-11:03 pm

1 stop5h 25m

Houston Hobby

Mon 10/19

5:28 pm-11:54 pm

1 stop6h 26m

$255

St. LouisHouston

STL Lambert-St Louis - HOU Houston Hobby

STLHOU

Lambert-St Louis

Wed 9/9

7:00 am-1:25 pm

1 stop6h 25m

Houston Hobby

Thu 9/10

6:19 pm-11:43 pm

1 stop5h 24m

$257

St. LouisHouston

STL Lambert-St Louis - HOU Houston Hobby

STLHOU

Lambert-St Louis

Thu 10/8

7:10 pm-11:49 pm

1 stop4h 39m

Houston Hobby

Sat 10/10

2:01 pm-7:48 pm

1 stop5h 47m

$278

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Houston from

How to get the cheapest flight ticket from St. Louis to Houston Hobby Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between St. Louis and Houston Hobby Airport?

Prices are currently low for flights on this route.

Typical prices usually range from $277 to $415.
The lowest price recently found on this route was $199.

What is the cheapest month to fly to Houston Hobby Airport?

In general, September is the cheapest month to fly from St. Louis to Houston Hobby Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $285. The month of October is another great option to travel to Houston Hobby Airport, with average flight prices from St. Louis averaging around $317.

What is the cheapest day to depart on your flight to Houston Hobby Airport?

Our data shows that Tuesday is the least expensive day to fly to Houston Hobby Airport. Tickets to fly out on this day can be as low as $393. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Houston Hobby Airport on Sunday is $465.

What is the cheapest time of day to depart on your flight to Houston Hobby Airport?

According to our data, the cheapest time of day to fly to Houston Hobby Airport is in the evening. momondo users have found flights departing from St. Louis to Houston Hobby Airport in the evening for as low as $417. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the morning because they tend to be around $533. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Lambert-St Louis to Houston Hobby flight route?

Fly from Lambert-St Louis to Houston Hobby for the best Lambert-St Louis - Houston Hobby flight prices

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

You are more likely to see cheaper flights to Houston Hobby Airport from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston Hobby Airport for around $377 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston Hobby Airport from St. Louis for as low as $305 on momondo.

What cabin class options are available on St. Louis to Houston Hobby Airport flights?

There is only 1 cabin class available to choose from on St. Louis to Houston Hobby Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on St. Louis to Houston Hobby Airport flights?

No. A direct flight is the cheapest option for a flight between St. Louis to Houston Hobby Airport.

How have St. Louis to Houston Hobby Airport flight prices changed over time?

As of August 2026, prices for St. Louis to Houston Hobby Airport flights are approximately 77% more expensive when compared to flights at the same time last year.

When to book flights from St. Louis to Houston Hobby Airport

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Houston Hobby Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Houston Hobby Airport (STL to HOU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Houston Hobby Airport

Best Price Found

$207

Fastest flight time

2h 00m

Direct flights

Every day
The best one-way flight to Houston Hobby Airport from St. Louis in the past 72 hours is $207. The best round-trip flight deal from St. Louis to Houston Hobby Airport found on momondo in the last 72 hours is $297.
The fastest flight from St. Louis to Houston Hobby Airport takes 2h 00m
Direct flights go from St. Louis to Houston Hobby Airport every day.
Search flight deals

Frequently asked questions about flying from St. Louis to Houston Hobby Airport

  • How far is Lambert-St Louis to Houston Hobby by plane?

    There are 684.3 mi between Lambert-St Louis and Houston Hobby. By plane, this route typically takes 2h 00m.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Houston Hobby Airport?

    Prices for flights from Lambert-St Louis Airport to Houston Hobby Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Houston Hobby Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Houston Hobby Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Houston Hobby Airport.

  • What documentation or ID do you need to fly to Houston Hobby Airport?

    The necessary travel and health documents for your Houston Hobby Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from St. Louis to Houston Hobby Airport?

  • What is the most popular airline from St. Louis to Houston Hobby Airport?

Best airlines flying from St. Louis to Houston Hobby Airport

Compare and see reviews for airlines that fly from St. Louis to Houston Hobby Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $128Free CancellationRating
5.6
2,701 reviews
Search Frontier flights
United AirlinesPriceFrom $131Free CancellationRating
7.4
10,111 reviews
Search United Airlines flights
American AirlinesPriceFrom $158Free CancellationRating
7.1
11,910 reviews
Search American Airlines flights
JetBluePriceFrom $269Free CancellationRating
7.1
3,035 reviews
Search JetBlue flights
SouthwestPriceFrom $275Free CancellationRating
8.0
4,220 reviews
Search Southwest flights

  • Southwest Flights From St. Louis to Houston Hobby Airport

    Southwest flies from St. Louis to Houston Hobby Airport around 15 times per week, with 4,220 momondo users rating the airline 8.0/10. The cheapest Southwest deal from St. Louis to Houston Hobby Airport in the last 72 hours was $275 (round-trip), much lower than the average airfare cost of $397 for Southwest flights on this route.

Traveling to a place near Houston?

Book flights to Houston if you plan to visit one of these locations
Galveston
Sugar Land
Pasadena
Baytown
Texas City
Webster
Rosenberg
Kemah
Pearland
League City
Stafford
Lake Jackson
Freeport
Seabrook
West University Place
Missouri City
La Marque
Nassau Bay

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Houston?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to Houston. momondo saves you time and could save you money on your trip.

Can I find flights from St. Louis to Houston with flexible booking policies on momondo?

Flights from St. Louis to Houston with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from St. Louis to Houston?

momondo helps you find the best flight between St. Louis and Houston by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from St. Louis to Houston right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Houston, momondo offers a useful price alert feature which will track prices for flights to Houston from St. Louis and alert you when they change.

An easier way to manage your Houston Hobby Airport trip

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