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Cheap flights from Houston Hobby Airport to St. Louis from $118

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston Hobby Airport to St. Louis departing on 2/14. 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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Find the cheapest flights from Houston Hobby Airport to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
12:16 pm - 11:21 pmHOU-STL
11h 05m1 stop
American Airlines Logo
9:32 am - 7:54 pmSTL-HOU
10h 22m1 stop
$225American Airlines
Find Deal
Sat, Feb 14 - Wed, Feb 18
American Airlines Logo
10:13 am - 7:22 pmHOU-STL
9h 09m1 stop
American Airlines Logo
5:04 pm - 10:46 pmSTL-HOU
5h 42m1 stop
$261American Airlines
Find Deal
Thu, Jan 1 - Wed, Jan 7
Southwest Logo
7:00 pm - 9:00 pmHOU-STL
2h 00mnonstop
Southwest Logo
6:00 am - 8:20 amSTL-HOU
2h 20mnonstop
$277Southwest
Find Deal
Tue, Dec 16 - Tue, Jan 6
Southwest Logo
12:55 pm - 5:10 pmHOU-STL
4h 15m1 stop
Southwest Logo
7:55 pm - 10:10 pmSTL-HOU
2h 15mnonstop
$283Southwest
Find Deal
Tue, Feb 10 - Tue, Feb 10
Southwest Logo
5:40 am - 7:35 amHOU-STL
1h 55mnonstop
Southwest Logo
8:55 am - 3:15 pmSTL-HOU
6h 20m1 stop
$287Southwest
Find Deal
Tue, Dec 16 - Tue, Jan 6
Southwest Logo
8:45 am - 10:45 amHOU-STL
2h 00mnonstop
Southwest Logo
10:15 am - 3:15 pmSTL-HOU
5h 00m2 stops
$288Southwest
Find Deal
Tue, Dec 16 - Tue, Jan 6
Southwest Logo
11:00 am - 4:50 pmHOU-STL
5h 50m2 stops
Southwest Logo
7:55 pm - 10:10 pmSTL-HOU
2h 15mnonstop
$292Southwest
Find Deal
Tue, Feb 10 - Tue, Feb 10
Southwest Logo
2:35 pm - 4:30 pmHOU-STL
1h 55mnonstop
Southwest Logo
6:00 am - 8:20 amSTL-HOU
2h 20mnonstop
$297Southwest
Find Deal
Mon, Feb 2 - Wed, Feb 4
Southwest Logo
11:30 am - 5:15 pmHOU-STL
5h 45m1 stop
Southwest Logo
10:15 am - 3:15 pmSTL-HOU
5h 00m2 stops
$298Southwest
Find Deal
Tue, Dec 16 - Tue, Jan 6
American Airlines Logo
5:44 am - 12:32 pmHOU-STL
6h 48m1 stop
American Airlines Logo
11:35 am - 5:59 pmSTL-HOU
6h 24m1 stop
$300American Airlines
Find Deal
Wed, Dec 10 - Wed, Dec 17

American Airlines flights from Houston Hobby Airport to St. Louis

Our best American Airlines deals on Houston Hobby Airport to St. Louis flight tickets
American Airlines
Jan 1
HOU10:13 amHouston Hobby
9h 09m
1 stop
STL7:22 pmLambert-St Louis
Jan 7
STL5:04 pmLambert-St Louis
5h 42m
1 stop
HOU10:46 pmHouston Hobby
$261
Find similar
American Airlines
Dec 10
HOU5:44 amHouston Hobby
6h 48m
1 stop
STL12:32 pmLambert-St Louis
Dec 17
STL11:35 amLambert-St Louis
6h 24m
1 stop
HOU5:59 pmHouston Hobby
$300
Find similar
American Airlines
Jan 1
HOU10:13 amHouston Hobby
9h 09m
1 stop
STL7:22 pmLambert-St Louis
Jan 4
STL9:36 amLambert-St Louis
6h 11m
1 stop
HOU3:47 pmHouston Hobby
$320
Find similar

Delta flights from Houston Hobby Airport to St. Louis

Our best Delta deals on Houston Hobby Airport to St. Louis flight tickets
Delta
Dec 8
HOU2:32 pmHouston Hobby
6h 30m
1 stop
STL9:02 pmLambert-St Louis
Dec 15
STL6:00 amLambert-St Louis
7h 28m
1 stop
HOU1:28 pmHouston Hobby
$337
Find similar
Delta
Dec 2
HOU10:39 amHouston Hobby
5h 27m
1 stop
STL4:06 pmLambert-St Louis
Dec 4
STL5:12 pmLambert-St Louis
5h 36m
1 stop
HOU10:48 pmHouston Hobby
$387
Find similar
Delta
Nov 26
HOU6:00 amHouston Hobby
4h 43m
1 stop
STL10:43 amLambert-St Louis
Nov 30
STL7:02 pmLambert-St Louis
4h 38m
1 stop
HOU11:40 pmHouston Hobby
$541
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Houston Hobby Airport to St. Louis 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 November 13, 2025.
Use the filters below to find and compare flights from Houston Hobby Airport to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

Sat 2/14

12:16 pm-11:21 pm

1 stop11h 05m

Lambert-St Louis

Wed 2/18

9:32 am-7:54 pm

1 stop10h 22m

$225

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

Thu 1/1

10:13 am-7:22 pm

1 stop9h 09m

Lambert-St Louis

Wed 1/7

5:04 pm-10:46 pm

1 stop5h 42m

$261

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

Tue 12/16

7:00 pm-9:00 pm

Nonstop2h 00m

Lambert-St Louis

Tue 1/6

6:00 am-8:20 am

Nonstop2h 20m

$277

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

Tue 2/10

12:55 pm-5:10 pm

1 stop4h 15m

Lambert-St Louis

Tue 2/10

7:55 pm-10:10 pm

Nonstop2h 15m

$283

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

Tue 12/16

5:40 am-7:35 am

Nonstop1h 55m

Lambert-St Louis

Tue 1/6

8:55 am-3:15 pm

1 stop6h 20m

$287

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

Tue 12/16

8:45 am-10:45 am

Nonstop2h 00m

Lambert-St Louis

Tue 1/6

10:15 am-3:15 pm

2 stops5h 00m

$288

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

Tue 2/10

11:00 am-4:50 pm

2 stops5h 50m

Lambert-St Louis

Tue 2/10

7:55 pm-10:10 pm

Nonstop2h 15m

$292

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

Mon 2/2

2:35 pm-4:30 pm

Nonstop1h 55m

Lambert-St Louis

Wed 2/4

6:00 am-8:20 am

Nonstop2h 20m

$297

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

Tue 12/16

11:30 am-5:15 pm

1 stop5h 45m

Lambert-St Louis

Tue 1/6

10:15 am-3:15 pm

2 stops5h 00m

$298

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

Wed 12/10

5:44 am-12:32 pm

1 stop6h 48m

Lambert-St Louis

Wed 12/17

11:35 am-5:59 pm

1 stop6h 24m

$300

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 St. Louis from

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

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 St. Louis?

In general, September is the cheapest month to fly from Houston Hobby Airport to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $249. The month of October is another great option to travel to St. Louis, with average flight prices from Houston Hobby Airport averaging around $262.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Tuesday when prices can be found for as low as $285. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $428. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Houston Hobby Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $339 when looking at flights departing in the afternoon. In the morning is when there is more demand to fly to St. Louis, so prices are often more expensive at around $373 per ticket.

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

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

How far in advance should I book a flight to St. Louis?

You are more likely to see cheaper flights to St. Louis from Houston Hobby Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $343 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Houston Hobby Airport for as low as $289 on momondo.

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

There is only 1 cabin class available to choose from on Houston Hobby to Lambert-St Louis 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 Houston Hobby Airport to St. Louis flights?

You could potentially save up to 43% on your flight if you consider stops on a Houston Hobby Airport to St. Louis flight.

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

As of November 2025, prices for Houston Hobby Airport to St. Louis flights are approximately 7% more expensive when compared to flights at the same time last year.

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

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

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

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

Best Price Found

$158

Fastest flight time

1h 55m

Direct flights

Every day

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Houston Hobby Airport in the past 72 hours is $158. The best round-trip flight deal from Houston Hobby Airport to St. Louis found on momondo in the last 72 hours is $313.
The fastest flight from Houston Hobby Airport to St. Louis takes 1h 55m
Direct flights go from Houston Hobby Airport to St. Louis every day.
There is 1 airport near St. Louis: Lambert-St Louis (STL)
Search flight deals

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

    The distance between Houston Hobby and Lambert-St Louis is about 684.3 mi. A reasonable flight in good conditions will take 1h 55m.

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

    Prices for flights from Houston Hobby Airport to Lambert-St Louis Airport are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Houston Hobby Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

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

Best airlines flying from Houston Hobby Airport to St. Louis

Compare and see reviews for airlines that fly from Houston Hobby Airport to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $142Free CancellationRating
5.8
3,114 reviews
Search Frontier flights
United AirlinesPriceFrom $149Free CancellationRating
7.4
9,015 reviews
Search United Airlines flights
SouthwestPriceFrom $202Free CancellationRating
8.0
4,236 reviews
Search Southwest flights

  • Southwest Flights From Houston Hobby Airport to St. Louis

    The lowest priced Southwest flight from Houston Hobby Airport to St. Louis from the last 72 hours was $202. Generally, Southwest has 29 flights on this route every week with an average price of $371. Southwest is rated 8.0/10 by our users.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Florissant
Maryland Heights
O'Fallon
Wentzville
Fenton
Collinsville
St. Peters
Alton
Farmington
Festus
Glencoe
Edwardsville
Clayton
Eureka
Litchfield
Shrewsbury

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to St. Louis from Houston.

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

momondo does allow users to show only those flights to St. Louis from Houston which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for Houston to St. Louis flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to St. Louis from Houston. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your St. Louis trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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