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Cheap flights from St. Louis to Houston from $120

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
11:45 am - 1:50 pmSTL  Lambert-St Louis-HOU Houston Hobby
2h 05mnonstop
Southwest Logo
3:35 pm - 10:00 pmHOU  Houston Hobby-STL Lambert-St Louis
6h 25m1 stop Nashville Intl
$249Southwest
Wed, Dec 2 - Wed, Dec 2
American Airlines Logo
5:50 am - 11:03 amSTL  Lambert-St Louis-HOU Houston Hobby
5h 13m1 stop Dallas/Fort Worth
American Airlines Logo
5:08 pm - 10:20 pmHOU  Houston Hobby-STL Lambert-St Louis
5h 12m1 stop Dallas/Fort Worth
$259American Airlines
Wed, Dec 2 - Wed, Dec 2
Southwest Logo
11:45 am - 1:50 pmSTL  Lambert-St Louis-HOU Houston Hobby
2h 05mnonstop
Southwest Logo
5:00 pm - 9:10 pmHOU  Houston Hobby-STL Lambert-St Louis
4h 10m1 stop Dallas Love Field
$259Southwest
Tue, Dec 8 - Tue, Dec 8
Southwest Logo
6:20 am - 12:50 pmSTL  Lambert-St Louis-HOU Houston Hobby
6h 30m1 stop Chicago Midway
Southwest Logo
11:05 am - 1:05 pmHOU  Houston Hobby-STL Lambert-St Louis
2h 00mnonstop
$259Southwest
Wed, Dec 9 - Wed, Dec 16
Southwest Logo
5:30 am - 7:35 amSTL  Lambert-St Louis-HOU Houston Hobby
2h 05mnonstop
Southwest Logo
2:25 pm - 8:05 pmHOU  Houston Hobby-STL Lambert-St Louis
5h 40m1 stop Nashville Intl
$259Southwest
Sat, Dec 12 - Sat, Dec 12
American Airlines Logo
5:00 am - 11:03 amSTL  Lambert-St Louis-HOU Houston Hobby
6h 03m1 stop Dallas/Fort Worth
American Airlines Logo
7:19 pm - 11:34 pmHOU  Houston Hobby-STL Lambert-St Louis
4h 15m1 stop Dallas/Fort Worth
$269American Airlines
Tue, Dec 8 - Tue, Dec 8
American Airlines Logo
10:25 am - 4:38 pmSTL  Lambert-St Louis-HOU Houston Hobby
6h 13m1 stop Dallas/Fort Worth
American Airlines Logo
7:47 pm - 12:16 amHOU  Houston Hobby-STL Lambert-St Louis
4h 29m1 stop Dallas/Fort Worth
$269American Airlines
Sat, Dec 12 - Sat, Dec 19
American Airlines Logo
5:00 am - 11:03 amSTL  Lambert-St Louis-HOU Houston Hobby
6h 03m1 stop Dallas/Fort Worth
American Airlines Logo
5:08 pm - 11:34 pmHOU  Houston Hobby-STL Lambert-St Louis
6h 26m1 stop Dallas/Fort Worth
$269American Airlines
Tue, Dec 15 - Tue, Dec 15
JetBlue Logo
11:40 am - 1:55 pmSTL  Lambert-St Louis-HOU Houston Hobby
2h 15mnonstop
JetBlue Logo
2:05 pm - 4:05 pmHOU  Houston Hobby-STL Lambert-St Louis
2h 00mnonstop
$478JetBlue
Tue, May 4 - Fri, May 7
JetBlue Logo
7:25 am - 12:50 pmSTL  Lambert-St Louis-HOU Houston Hobby
5h 25m1 stop Dallas Love Field
JetBlue Logo
9:15 pm - 11:15 pmHOU  Houston Hobby-STL Lambert-St Louis
2h 00mnonstop
$488JetBlue
Tue, May 4 - Fri, May 7

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Southwest flights from St. Louis to Houston Hobby Airport

Our best Southwest deals on St. Louis to Houston Hobby Airport flight tickets
Southwest
Dec 2
STL11:45 amLambert-St Louis
2h 05m
HOU1:50 pmHouston Hobby
Dec 2
HOU3:35 pmHouston Hobby
6h 25m
1 stop
STL10:00 pmLambert-St Louis
$249
Southwest
Dec 12
STL5:30 amLambert-St Louis
2h 05m
HOU7:35 amHouston Hobby
Dec 12
HOU2:25 pmHouston Hobby
5h 40m
1 stop
STL8:05 pmLambert-St Louis
$259
Southwest
Dec 3
STL8:30 amLambert-St Louis
2h 10m
HOU10:40 amHouston Hobby
Dec 5
HOU7:50 amHouston Hobby
2h 00m
STL9:50 amLambert-St Louis
$269

Delta flights from St. Louis to Houston Hobby Airport

Our best Delta deals on St. Louis to Houston Hobby Airport flight tickets
Delta
Dec 22
STL12:37 pmLambert-St Louis
10h 38m
1 stop
HOU11:15 pmHouston Hobby
Dec 31
HOU6:00 amHouston Hobby
7h 19m
1 stop
STL1:19 pmLambert-St Louis
$354
Delta
Jan 24
STL10:13 amLambert-St Louis
6h 24m
1 stop
HOU4:37 pmHouston Hobby
Jan 27
HOU11:12 amHouston Hobby
6h 42m
1 stop
STL5:54 pmLambert-St Louis
$384
Delta
Nov 25
STL5:48 pmLambert-St Louis
5h 33m
1 stop
HOU11:21 pmHouston Hobby
Dec 3
HOU10:41 amHouston Hobby
5h 43m
1 stop
STL4:24 pmLambert-St Louis
$412

momondo Fare Finder

 
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

Wed 12/2

11:45 am-1:50 pm

Nonstop2h 05m

Houston Hobby

Wed 12/2

3:35 pm-10:00 pm

1 stop6h 25m

$249

St. LouisHouston

STL Lambert-St Louis - HOU Houston Hobby

STLHOU

Lambert-St Louis

Wed 12/2

5:50 am-11:03 am

1 stop5h 13m

Houston Hobby

Wed 12/2

5:08 pm-10:20 pm

1 stop5h 12m

$259

St. LouisHouston

STL Lambert-St Louis - HOU Houston Hobby

STLHOU

Lambert-St Louis

Tue 12/8

11:45 am-1:50 pm

Nonstop2h 05m

Houston Hobby

Tue 12/8

5:00 pm-9:10 pm

1 stop4h 10m

$259

St. LouisHouston

STL Lambert-St Louis - HOU Houston Hobby

STLHOU

Lambert-St Louis

Wed 12/9

6:20 am-12:50 pm

1 stop6h 30m

Houston Hobby

Wed 12/16

11:05 am-1:05 pm

Nonstop2h 00m

$259

St. LouisHouston

STL Lambert-St Louis - HOU Houston Hobby

STLHOU

Lambert-St Louis

Sat 12/12

5:30 am-7:35 am

Nonstop2h 05m

Houston Hobby

Sat 12/12

2:25 pm-8:05 pm

1 stop5h 40m

$259

St. LouisHouston

STL Lambert-St Louis - HOU Houston Hobby

STLHOU

Lambert-St Louis

Tue 12/8

5:00 am-11:03 am

1 stop6h 03m

Houston Hobby

Tue 12/8

7:19 pm-11:34 pm

1 stop4h 15m

$269

St. LouisHouston

STL Lambert-St Louis - HOU Houston Hobby

STLHOU

Lambert-St Louis

Sat 12/12

10:25 am-4:38 pm

1 stop6h 13m

Houston Hobby

Sat 12/19

7:47 pm-12:16 am

1 stop4h 29m

$269

St. LouisHouston

STL Lambert-St Louis - HOU Houston Hobby

STLHOU

Lambert-St Louis

Tue 12/15

5:00 am-11:03 am

1 stop6h 03m

Houston Hobby

Tue 12/15

5:08 pm-11:34 pm

1 stop6h 26m

$269
Quickest round-trip

St. LouisHouston

STL Lambert-St Louis - HOU Houston Hobby

STLHOU

Lambert-St Louis

Tue 5/4

11:40 am-1:55 pm

Nonstop2h 15m

Houston Hobby

Fri 5/7

2:05 pm-4:05 pm

Nonstop2h 00m

$478

St. LouisHouston

STL Lambert-St Louis - HOU Houston Hobby

STLHOU

Lambert-St Louis

Tue 5/4

7:25 am-12:50 pm

1 stop5h 25m

Houston Hobby

Fri 5/7

9:15 pm-11:15 pm

Nonstop2h 00m

$488

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 $351 to $548.
The lowest price recently found on this route was $249.

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

In general, August 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 $343. The month of September is another great option to travel to Houston Hobby Airport, with average flight prices from St. Louis averaging around $345.

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

Our data shows that Thursday is the least expensive day to fly to Houston Hobby Airport. Tickets to fly out on this day can be as low as $389. 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 $490.

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 $416. 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 $560. 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 $394 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 $333 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?

You could potentially save up to 51% on your flight if you consider stops on a St. Louis to Houston Hobby Airport flight.

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

As of November 2026, prices for St. Louis to Houston Hobby Airport flights are approximately 12% 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

$120

Fastest flight time

2h 05m

Direct flights

Every day
The best one-way flight to Houston Hobby Airport from St. Louis in the past 72 hours is $120. The best round-trip flight deal from St. Louis to Houston Hobby Airport found on momondo in the last 72 hours is $249.
The fastest flight from St. Louis to Houston Hobby Airport takes 2h 05m
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 05m.

  • 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
5.5
2,504 reviews
Search Frontier flights
United AirlinesPriceFrom $238Free CancellationRating
7.3
10,486 reviews
Search United Airlines flights
SouthwestPriceFrom $253Free CancellationRating
8.0
4,222 reviews
Search Southwest flights
JetBluePriceFrom $269Free CancellationRating
7.1
3,074 reviews
Search JetBlue flights

  • Southwest Flights From St. Louis to Houston Hobby Airport

    Southwest flies from St. Louis to Houston Hobby Airport around 24 times per week, with 4,223 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 $253 (round-trip), much lower than the average airfare cost of $407 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
Baytown
Sugar Land
Pasadena
Webster
Texas City
Rosenberg
League City
Pearland
Kemah
Stafford
Seabrook
Freeport
Lake Jackson
Missouri City
West University Place
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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