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Cheap flights from St. Louis to Houston from $109

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 8/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Southwest Logo
7:45 am - 9:50 amSTL-HOU
2h 05mnonstop
Southwest Logo
5:35 am - 7:35 amHOU-STL
2h 00mnonstop
$217Southwest
Find Deal
Wed, Aug 27 - Wed, Sep 3
Southwest Logo
5:20 pm - 7:25 pmSTL-HOU
2h 05mnonstop
Southwest Logo
3:30 pm - 8:05 pmHOU-STL
4h 35m1 stop
$227Southwest
Find Deal
Wed, Aug 27 - Wed, Sep 3
Southwest Logo
10:30 am - 3:45 pmSTL-HOU
5h 15m2 stops
Southwest Logo
8:45 am - 10:50 amHOU-STL
2h 05mnonstop
$232Southwest
Find Deal
Wed, Aug 27 - Tue, Sep 2
Southwest Logo
4:45 pm - 6:50 pmSTL-HOU
2h 05mnonstop
Southwest Logo
5:10 am - 7:10 amHOU-STL
2h 00mnonstop
$234Southwest
Find Deal
Sat, Aug 23 - Mon, Aug 25
Delta Logo
7:00 am - 12:10 pmSTL-HOU
5h 10m1 stop
Delta Logo
10:22 am - 4:06 pmHOU-STL
5h 44m1 stop
$237Delta
Find Deal
Tue, Aug 26 - Sat, Aug 30
American Airlines Logo
9:23 am - 1:51 pmSTL-HOU
4h 28m1 stop
American Airlines Logo
10:14 am - 6:30 pmHOU-STL
8h 16m1 stop
$270American Airlines
Find Deal
Wed, Aug 27 - Sat, Aug 30
American Airlines Logo
5:15 am - 9:44 amSTL-HOU
4h 29m1 stop
American Airlines Logo
4:20 pm - 11:03 pmHOU-STL
6h 43m1 stop
$271American Airlines
Find Deal
Thu, Aug 21 - Thu, Aug 21
Delta Logo
3:36 pm - 10:31 pmSTL-HOU
6h 55m1 stop
Delta Logo
6:00 am - 12:21 pmHOU-STL
6h 21m1 stop
$285Delta
Find Deal
Fri, Sep 5 - Sat, Sep 13
Delta Logo
3:42 pm - 10:31 pmSTL-HOU
6h 49m1 stop
Delta Logo
6:34 pm - 11:14 pmHOU-STL
4h 40m1 stop
$302Delta
Find Deal
Thu, Aug 21 - Fri, Aug 22
American Airlines Logo
5:15 am - 9:44 amSTL-HOU
4h 29m1 stop
American Airlines Logo
6:44 pm - 10:50 pmHOU-STL
4h 06m1 stop
$333American Airlines
Find Deal
Fri, Aug 29 - Fri, Sep 5

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
Aug 27
STL9:23 amLambert-St Louis
4h 28m
1 stop
HOU1:51 pmHouston Hobby
Aug 30
HOU10:14 amHouston Hobby
8h 16m
1 stop
STL6:30 pmLambert-St Louis
$270
Find similar
American Airlines
Aug 21
STL5:15 amLambert-St Louis
4h 29m
1 stop
HOU9:44 amHouston Hobby
Aug 21
HOU4:20 pmHouston Hobby
6h 43m
1 stop
STL11:03 pmLambert-St Louis
$271
Find similar
American Airlines
Aug 29
STL5:15 amLambert-St Louis
4h 29m
1 stop
HOU9:44 amHouston Hobby
Sep 5
HOU6:44 pmHouston Hobby
4h 06m
1 stop
STL10:50 pmLambert-St Louis
$333
Find similar

Delta flights from St. Louis to Houston Hobby Airport

Our best Delta deals on St. Louis to Houston Hobby Airport flight tickets
Delta
Aug 26
STL7:00 amLambert-St Louis
5h 10m
1 stop
HOU12:10 pmHouston Hobby
Aug 30
HOU10:22 amHouston Hobby
5h 44m
1 stop
STL4:06 pmLambert-St Louis
$237
Find similar
Delta
Sep 5
STL3:36 pmLambert-St Louis
6h 55m
1 stop
HOU10:31 pmHouston Hobby
Sep 13
HOU6:00 amHouston Hobby
6h 21m
1 stop
STL12:21 pmLambert-St Louis
$285
Find similar
Delta
Aug 21
STL3:42 pmLambert-St Louis
6h 49m
1 stop
HOU10:31 pmHouston Hobby
Aug 22
HOU6:34 pmHouston Hobby
4h 40m
1 stop
STL11:14 pmLambert-St Louis
$302
Find similar

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 July 31, 2025.
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

St. LouisHouston

STL - HOU

STLHOU

Lambert-St Louis

Wed 8/27

7:45 am-9:50 am

Nonstop2h 05m

Houston Hobby

Wed 9/3

5:35 am-7:35 am

Nonstop2h 00m

$217

St. LouisHouston

STL - HOU

STLHOU

Lambert-St Louis

Wed 8/27

5:20 pm-7:25 pm

Nonstop2h 05m

Houston Hobby

Wed 9/3

3:30 pm-8:05 pm

1 stop4h 35m

$227

St. LouisHouston

STL - HOU

STLHOU

Lambert-St Louis

Wed 8/27

10:30 am-3:45 pm

2 stops5h 15m

Houston Hobby

Tue 9/2

8:45 am-10:50 am

Nonstop2h 05m

$232

St. LouisHouston

STL - HOU

STLHOU

Lambert-St Louis

Sat 8/23

4:45 pm-6:50 pm

Nonstop2h 05m

Houston Hobby

Mon 8/25

5:10 am-7:10 am

Nonstop2h 00m

$234

St. LouisHouston

STL - HOU

STLHOU

Lambert-St Louis

Tue 8/26

7:00 am-12:10 pm

1 stop5h 10m

Houston Hobby

Sat 8/30

10:22 am-4:06 pm

1 stop5h 44m

$237

St. LouisHouston

STL - HOU

STLHOU

Lambert-St Louis

Wed 8/27

9:23 am-1:51 pm

1 stop4h 28m

Houston Hobby

Sat 8/30

10:14 am-6:30 pm

1 stop8h 16m

$270

St. LouisHouston

STL - HOU

STLHOU

Lambert-St Louis

Thu 8/21

5:15 am-9:44 am

1 stop4h 29m

Houston Hobby

Thu 8/21

4:20 pm-11:03 pm

1 stop6h 43m

$271

St. LouisHouston

STL - HOU

STLHOU

Lambert-St Louis

Fri 9/5

3:36 pm-10:31 pm

1 stop6h 55m

Houston Hobby

Sat 9/13

6:00 am-12:21 pm

1 stop6h 21m

$285

St. LouisHouston

STL - HOU

STLHOU

Lambert-St Louis

Thu 8/21

3:42 pm-10:31 pm

1 stop6h 49m

Houston Hobby

Fri 8/22

6:34 pm-11:14 pm

1 stop4h 40m

$302

St. LouisHouston

STL - HOU

STLHOU

Lambert-St Louis

Fri 8/29

5:15 am-9:44 am

1 stop4h 29m

Houston Hobby

Fri 9/5

6:44 pm-10:50 pm

1 stop4h 06m

$333

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 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 $287. The month of August is another great option to travel to Houston Hobby Airport, with average flight prices from St. Louis averaging around $292.

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

Our data shows that Wednesday is the least expensive day to fly to Houston Hobby Airport. Tickets to fly out on this day can be as low as $349. 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 $494.

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 $357. 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 afternoon because they tend to be around $594. 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 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 $347 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 $284 on momondo.

What cabin class options are available on Lambert-St Louis to Houston Hobby flights?

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

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

As of July 2025, prices for St. Louis to Houston Hobby Airport flights are approximately 11% cheaper 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

$109

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 $109. The best round-trip flight deal from St. Louis to Houston Hobby Airport found on momondo in the last 72 hours is $217.
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

  • 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 $110Free CancellationRating
5.9
3,239 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $116Free CancellationRating
6.3
8,048 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $178Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $192Free CancellationRating
8.0
4,246 reviews
Search Southwest flights
United AirlinesPriceFrom $217Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights

  • Southwest Flights From St. Louis to Houston Hobby Airport

    Southwest flies from St. Louis to Houston Hobby Airport around 18 times per week, with 4,246 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 $192 (round-trip), much lower than the average airfare cost of $370 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
Kemah
Sugar Land
Pasadena
Baytown
Texas City
Rosenberg
Pearland
Webster
Stafford
League City
Freeport
Missouri City
Lake Jackson
La Marque
Seabrook
Nassau Bay
West University Place

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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