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Cheap flights from Houston to St. Louis from $99

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 to St. Louis departing on 5/1. 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 to St. Louis

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Houston to St. Louis.
Frontier Logo
6:00 am - 10:01 amIAH-STL
28h 01m1 stop
Frontier Logo
6:58 pm - 11:37 pmSTL-IAH
28h 39m1 stop
$199Frontier
Find Deal
Thu, Apr 24 - Mon, Apr 28
Frontier Logo
11:21 am - 10:01 amIAH-STL
22h 40m1 stop
Frontier Logo
9:55 pm - 11:09 amSTL-IAH
13h 14m1 stop
$200Frontier
Find Deal
Fri, Apr 25 - Sun, Apr 27
Spirit Airlines Logo
5:30 am - 5:15 pmIAH-STL
11h 45m1 stop
Spirit Airlines Logo
10:10 am - 7:34 pmSTL-IAH
33h 24m2 stops
$265Spirit Airlines
Find Deal
Thu, May 1 - Thu, May 8
United Airlines Logo
7:45 am - 9:56 amIAH-STL
2h 11mnonstop
United Airlines Logo
8:30 am - 10:52 amSTL-IAH
2h 22mnonstop
$271United Airlines
Find Deal
Tue, Apr 29 - Tue, May 6
Spirit Airlines Logo
5:30 am - 5:15 pmIAH-STL
11h 45m1 stop
Spirit Airlines Logo
10:10 am - 7:34 pmSTL-IAH
33h 24m3 stops
$275Spirit Airlines
Find Deal
Thu, May 1 - Thu, May 8
United Airlines Logo
8:04 pm - 10:09 pmIAH-STL
2h 05mnonstop
United Airlines Logo
6:30 am - 12:26 pmSTL-IAH
5h 56m1 stop
$281United Airlines
Find Deal
Tue, Apr 29 - Tue, May 6
Southwest Logo
6:35 pm - 8:35 pmHOU-STL
2h 00mnonstop
Southwest Logo
6:00 am - 8:10 amSTL-HOU
2h 10mnonstop
$288Southwest
Find Deal
Thu, May 1 - Tue, May 6
Southwest Logo
10:15 am - 2:35 pmHOU-STL
4h 20m1 stop
Southwest Logo
9:55 am - 12:05 pmSTL-HOU
2h 10mnonstop
$294Southwest
Find Deal
Thu, May 1 - Tue, May 6
American Airlines Logo
5:00 am - 9:54 amHOU-STL
4h 54m1 stop
American Airlines Logo
7:19 pm - 11:58 pmSTL-HOU
4h 39m1 stop
$308American Airlines
Find Deal
Wed, May 28 - Mon, Jun 2
American Airlines Logo
6:31 pm - 10:45 pmHOU-STL
4h 14m1 stop
American Airlines Logo
7:19 pm - 11:58 pmSTL-HOU
4h 39m1 stop
$343American Airlines
Find Deal
Fri, May 23 - Tue, May 27

Frontier flights from Houston to St. Louis

Our best Frontier deals on Houston to St. Louis flight tickets
Frontier
Apr 24
IAH6:00 amHouston George Bush Intcntl
28h 01m
1 stop
STL10:01 amLambert-St Louis
Apr 28
STL6:58 pmLambert-St Louis
28h 39m
1 stop
IAH11:37 pmHouston George Bush Intcntl
Frontier
Apr 25
IAH11:21 amHouston George Bush Intcntl
22h 40m
1 stop
STL10:01 amLambert-St Louis
Apr 27
STL9:55 pmLambert-St Louis
13h 14m
1 stop
IAH11:09 amHouston George Bush Intcntl
Frontier
Apr 25
IAH11:21 amHouston George Bush Intcntl
22h 40m
1 stop
STL10:01 amLambert-St Louis
Apr 28
STL5:41 pmLambert-St Louis
17h 04m
1 stop
IAH10:45 amHouston George Bush Intcntl

Spirit Airlines flights from Houston to St. Louis

Our best Spirit Airlines deals on Houston to St. Louis flight tickets
Spirit Airlines
May 1
IAH5:30 amHouston George Bush Intcntl
11h 45m
1 stop
STL5:15 pmLambert-St Louis
May 8
STL10:10 amLambert-St Louis
33h 24m
2 stops
IAH7:34 pmHouston George Bush Intcntl
Spirit Airlines
May 1
IAH5:30 amHouston George Bush Intcntl
11h 45m
1 stop
STL5:15 pmLambert-St Louis
May 8
STL10:10 amLambert-St Louis
33h 24m
3 stops
IAH7:34 pmHouston George Bush Intcntl
Spirit Airlines
May 1
IAH5:25 amHouston George Bush Intcntl
11h 50m
2 stops
STL5:15 pmLambert-St Louis
May 8
STL10:10 amLambert-St Louis
33h 24m
3 stops
IAH7:34 pmHouston George Bush Intcntl

See travel insights to St. Louis from

How to get the cheapest flight ticket from Houston 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, April is the cheapest month to fly from Houston to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $281. The month of September is another great option to travel to St. Louis, with average flight prices from Houston averaging around $327.

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 $341. 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 $446. 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 at noon is the least expensive time of day to depart. momondo users have found prices as low as $373 when looking at flights departing at noon. In the morning is when there is more demand to fly to St. Louis, so prices are often more expensive at around $396 per ticket.

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

Fly from Houston Hobby to Lambert-St Louis for the best Houston - 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 when booking 9 weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $360 when searching 9 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Houston for as low as $250 on momondo.

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

There are 4 cabin classes available to choose from on Houston 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.

Cheap Houston to St. Louis flight deals and tips

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

Best Price Found

$99

Fastest flight time

2h 00m

Direct flights

Every day

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Houston in the past 72 hours is $99. The best round-trip flight deal from Houston to St. Louis found on momondo in the last 72 hours is $199.
The fastest flight from Houston to St. Louis takes 2h 00m
Direct flights go from Houston to St. Louis every day.
There is 1 airport near St. Louis: Lambert-St Louis (STL)

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

    Houston and Lambert-St Louis are 679.6 mi apart from one another. Typically, this will take 2h 00m by plane in normal conditions.

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

    Prices for flights from Houston to Lambert-St Louis Airport were last updated today.

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

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

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

    The necessary travel and health documents for your Lambert-St Louis 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.


Best airlines flying from Houston to St. Louis

Compare and see reviews for airlines that fly from Houston to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $106Free CancellationRating
5.9
3,276 reviews
Search Frontier flights
American AirlinesPriceFrom $207Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $210Free CancellationRating
8.0
4,272 reviews
Search Southwest flights
United AirlinesPriceFrom $244Free CancellationRating
7.4
8,615 reviews
Search United Airlines flights

Traveling to a place near St. Louis?

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

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?

All flight searches from Houston to St. Louis on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to St. Louis from Houston. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from Houston to St. Louis now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to St. Louis and let you know when they change.


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