$65 Cheap flight deals from St. Louis (STL) to Southwest Houston (HOU)

Earn rewards on top of your airline miles with Orbitz Rewards

Many airlines offer flexible change policies

Sign up to receive text alerts about your trip

This Weekend's Flight Deals from St. Louis to Southwest Houston

This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Dec 27 - Sun, Jan 4
STL
Lambert-St. Louis Intl.
IAH
George Bush Intercontinental
$621 Roundtrip, found 1 day ago
$621
Roundtrip
found 1 day ago
Select United flight, departing Sat, Dec 27 from Lambert-St. Louis Intl. to George Bush Intercontinental, returning Sun, Jan 4, priced at $621 found 1 day ago
Sat, Dec 27 - Sun, Jan 4
STL
Lambert-St. Louis Intl.
IAH
George Bush Intercontinental
$621 Roundtrip, found 1 day ago
$621
Roundtrip
found 1 day ago
Select United flight, departing Sat, Dec 27 from Lambert-St. Louis Intl. to George Bush Intercontinental, returning Sun, Jan 4, priced at $621 found 1 day ago

Airfares from $65 One Way, $128 Round Trip from St. Louis to Southwest Houston

Prices starting at $128 for return flights and $65 for one-way flights to Southwest Houston were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Jan 24 - Sat, Jan 31
STL
St. Louis
IAH
Houston
$128 Roundtrip, found 8 hours ago
$128
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Sat, Jan 24 from St. Louis to Houston, returning Sat, Jan 31, priced at $128 found 8 hours ago
Sat, Jan 24 - Sat, Jan 31
STL
St. Louis
IAH
Houston
$145 Roundtrip, found 8 hours ago
$145
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Sat, Jan 24 from St. Louis to Houston, returning Sat, Jan 31, priced at $145 found 8 hours ago
Wed, Feb 11 - Sat, Feb 14
STL
St. Louis
IAH
Houston
$147 Roundtrip, found 1 day ago
$147
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Feb 11 from St. Louis to Houston, returning Sat, Feb 14, priced at $147 found 1 day ago
Wed, Jan 21 - Mon, Jan 26
STL
St. Louis
IAH
Houston
$157 Roundtrip, found 6 days ago
$157
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Wed, Jan 21 from St. Louis to Houston, returning Mon, Jan 26, priced at $157 found 6 days ago
Sat, Feb 14 - Wed, Feb 18
STL
St. Louis
IAH
Houston
$159 Roundtrip, found 1 day ago
$159
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Feb 14 from St. Louis to Houston, returning Wed, Feb 18, priced at $159 found 1 day ago

Southwest Houston economy flight packages

Price found within the past 48 hours. Click for updated prices.
Hilton Houston Westchase
4.0-star property

Hilton Houston Westchase

7.8/10 Good! (1,002 reviews)

Feb 6 - Feb 9

3 night stay

St. Louis (STL) to Houston (IAH)

American Airlines • Non-stop • Coach

Houston (IAH) to St. Louis (STL)

Frontier Airlines • Non-stop • Coach
Price was $534, price is now $438 per person
$438
per person
found 10 hours ago
Excellent service. Nice rooms.

Reviewed on May 24, 2025

Margaritaville Lake Resort, Lake Conroe/Houston
3.5-star property

Margaritaville Lake Resort, Lake Conroe/Houston

8.2/10 Very Good! (1,006 reviews)

Feb 6 - Feb 9

3 night stay

St. Louis (STL) to Houston (IAH)

American Airlines • Non-stop • Coach

Houston (IAH) to St. Louis (STL)

Frontier Airlines • Non-stop • Coach
Price was $549, price is now $444 per person
$444
per person
found 10 hours ago
The pool area was clean and very relaxing. The stores and restaurants could have more available merchandise available to purchase. Overall, It was a great stay and we would recommend it! We would stay again !

Reviewed on Aug 27, 2023

Le Meridien Houston Downtown
4.0-star property

Le Meridien Houston Downtown

8.8/10 Excellent! (1,005 reviews)

Feb 6 - Feb 9

3 night stay

St. Louis (STL) to Houston (IAH)

American Airlines • Non-stop • Coach

Houston (IAH) to St. Louis (STL)

Frontier Airlines • Non-stop • Coach
Price was $698, price is now $570 per person
$570
per person
found 10 hours ago
great stay. awesome hotel

Reviewed on Dec 11, 2025

Don't see what you're looking for?
See all available trips from St. Louis to Southwest Houston
View all trips

More About Flying To Southwest Houston from St. Louis

Route Information for Flights from St. Louis to Southwest Houston

Origin Airport IATA Code
STL
Destination Airport IATA Code
HOU
Distance
Direct Flight Airlines
Earliest Flight Arrival
Latest Flight Arrival

St. Louis to Southwest Houston

Looking for cheap St. Louis to Southwest Houston flights? Orbitz has the cheapest air fares for flights from St. Louis to Southwest Houston. Plus, with our cutting-edge mobile tools, travel planning has never been easier or more wallet-friendly.

Mobile Deals and Steals

Orbitz is dedicated to providing low fares on St. Louis to Southwest Houston flights. Now you can find the latest deals on-the-go with Orbitz’s mobile apps for iPhone, iPad, Android phones, and tablets. Instantly see discounted rates for hotels, cruises, vacations, and air tickets for a great vacation.

Book Hotels With Confidence

When you’re looking for hotel rooms to go with your bargain flights from St. Louis to Southwest Houston, Orbitz provides you descriptions, photos, reviews, and location maps so you know exactly what you are booking. With easy-to-use Orbitz map tools, you can search for nearby hotels on your mobile device.

Access Your Flight Information Anytime

Use the Orbitz app or the mobile Orbitz site, m.orbtiz.com, to see information about your St. Louis to Southwest Houston flights anytime you need it. Your itinerary is also sent to your email address for reference. Access updates on your flights from St. Louis to Southwest Houston on your mobile device too, including delays and baggage claim details.

Cheap Air Ticket Prices Guaranteed

Orbitz is your number one source for low fares for St. Louis to Southwest Houston flights. Our low price guarantee on domestic and international air tickets give you great savings for a perfect trip to Southwest Houston. Need hotels too? You can book them last minute on your mobile phone.

More Destinations

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.