$83 Cheap flight deals from St. Louis (STL) to Houston (HOU)

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This Weekend's Flight Deals from St. Louis to 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, May 24 - Tue, May 27
STL
Lambert-St. Louis Intl.
IAH
George Bush Intercontinental
$363 Roundtrip, found 4 hours ago
$363
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Sat, May 24 from Lambert-St. Louis Intl. to George Bush Intercontinental, returning Tue, May 27, priced at $363 found 4 hours ago
Sat, May 24 - Tue, May 27
STL
Lambert-St. Louis Intl.
IAH
George Bush Intercontinental
$363 Roundtrip, found 4 hours ago
$363
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Sat, May 24 from Lambert-St. Louis Intl. to George Bush Intercontinental, returning Tue, May 27, priced at $363 found 4 hours ago

Airfares from $83 One Way, $166 Round Trip from St. Louis to Houston

Prices starting at $166 for return flights and $83 for one-way flights to 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.

Thu, Aug 7 - Thu, Aug 14
STL
St. Louis
IAH
Houston
$166 Roundtrip, found 11 hours ago
$166
Roundtrip
found 11 hours ago
Select Frontier Airlines flight, departing Thu, Aug 7 from St. Louis to Houston, returning Thu, Aug 14, priced at $166 found 11 hours ago
Thu, Aug 7 - Thu, Aug 14
STL
St. Louis
IAH
Houston
$178 Roundtrip, found 11 hours ago
$178
Roundtrip
found 11 hours ago
Select Frontier Airlines flight, departing Thu, Aug 7 from St. Louis to Houston, returning Thu, Aug 14, priced at $178 found 11 hours ago
Thu, Aug 7 - Sun, Aug 10
STL
St. Louis
IAH
Houston
$189 Roundtrip, found 1 day ago
$189
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Aug 7 from St. Louis to Houston, returning Sun, Aug 10, priced at $189 found 1 day ago
Fri, Sep 5 - Sun, Sep 7
STL
St. Louis
IAH
Houston
$190 Roundtrip, found 10 hours ago
$190
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Fri, Sep 5 from St. Louis to Houston, returning Sun, Sep 7, priced at $190 found 10 hours ago
Sat, Jun 14 - Sun, Jun 15
STL
St. Louis
IAH
Houston
$192 Roundtrip, found 16 hours ago
$192
Roundtrip
found 16 hours ago
Select Frontier Airlines flight, departing Sat, Jun 14 from St. Louis to Houston, returning Sun, Jun 15, priced at $192 found 16 hours ago

Houston economy flight packages

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

Kozy Houston North

8/10 Very Good! (428 reviews)

Jul 4 - Jul 7

3 night stay

St. Louis (STL) to Houston (IAH)

Southwest Airlines • Coach

Houston (IAH) to St. Louis (STL)

Frontier Airlines • Coach
per person
found 1 day ago
Beautiful and excellent and personal service man 5-7-25

Reviewed on May 8, 2025

Omni Houston Hotel
4.0-star property

Omni Houston Hotel

8.8/10 Excellent! (1,001 reviews)

Jul 4 - Jul 7

3 night stay

St. Louis (STL) to Houston (IAH)

Southwest Airlines • Coach

Houston (IAH) to St. Louis (STL)

Frontier Airlines • Coach
per person
found 1 day ago
Very nice property. The room size was decent and big enough for me and my two friends. Loved the pool area. Great communication from the front desk representatives.

Reviewed on Sep 11, 2024

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More About Flying To Houston from St. Louis

Route Information for Flights from St. Louis to Houston

Origin Airport IATA Code
STL
Destination Airport IATA Code
HOU
Distance
667 mi
Direct Flight Airlines
ANA, Copa Airlines, Virgin Australia, Air New Zealand, United Airlines
Earliest Flight Arrival
1:33PM UTC
Latest Flight Arrival
1:14AM UTC

Frequently asked questions

Are there non-stop flights from St. Louis to Houston?
Yep, United Airlines flies directly from St. Louis to Houston, so you’ll be starting your fantastic adventure before you know it.
What is the shortest flight from St. Louis to Houston?
If the weather is good and all goes as planned, you could be touching down at HOU from Lambert-St. Louis Intl. Airport (STL) in only 2 hours and 45 minutes. With such a brief flight time, consider bringing carry-on luggage only.
What airlines fly from St. Louis to Houston most frequently?
If you’re looking for the airline with the most flights from STL to IAH, buckle up and take off with United Airlines. This carrier offers 117 monthly flights along this route.
What is the cheapest day of the week to fly?
Consider flying out early in the week to save on your airfare. Orbitz data from 2021 shows that Monday is the cheapest day to depart, followed by Tuesday. Saturday showed the highest average ticket prices likely because many travelers prefer to start their vacation on a weekend.
What is the cheapest month to fly?
We won’t keep you guessing, according to Orbitz data from 2021, the cheapest month to fly is February. Perfect for those who need a weekend getaway, or just a break from it all in the shortest month of the year. Be aware that the most expensive time to fly is during the height of summer in July, and in the holiday month of December.*According to flight demand on Orbitz.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

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.