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Cheap flights from Houston to St. Louis from $72

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 4/11. 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

These are some of the best round-trip flight deals from Houston to St. Louis that have been recently found on momondo from popular airlines, departing in the coming months.
8:22 pm - 11:49 pmIAH-STL
27h 27m1 stop
5:24 pm - 4:00 pmSTL-IAH
22h 36m1 stop
$110Frontier
Find Deal
Wed, Mar 5 - Wed, Mar 26
11:58 am - 11:46 pmIAH-STL
11h 48m1 stop
6:38 pm - 11:09 amSTL-IAH
16h 31m1 stop
$120Frontier
Find Deal
Thu, Apr 3 - Mon, Apr 7
7:45 am - 9:56 amIAH-STL
2h 11mnonstop
8:40 am - 11:03 amSTL-IAH
2h 23mnonstop
$177United Airlines
Find Deal
Thu, Apr 3 - Mon, Apr 7
5:10 am - 7:05 amHOU-STL
1h 55mnonstop
10:55 pm - 1:05 amSTL-HOU
2h 10mnonstop
$177Southwest
Find Deal
Thu, Mar 6 - Mon, Mar 10
9:21 pm - 5:52 pmIAH-STL
20h 31m1 stop
4:57 pm - 10:58 amSTL-IAH
18h 01m1 stop
Mon, Mar 31 - Wed, Apr 2
7:45 am - 9:56 amIAH-STL
2h 11mnonstop
5:35 pm - 12:51 amSTL-IAH
7h 16m1 stop
$187United Airlines
Find Deal
Thu, Apr 3 - Mon, Apr 7
5:10 am - 7:05 amHOU-STL
1h 55mnonstop
8:10 pm - 1:05 amSTL-HOU
4h 55m1 stop
$187Southwest
Find Deal
Thu, Mar 6 - Mon, Mar 10
5:00 am - 10:38 amIAH-STL
5h 38m1 stop
7:02 am - 1:39 pmSTL-IAH
6h 37m1 stop
$197American Airlines
Find Deal
Thu, Mar 20 - Thu, Mar 27
10:00 pm - 9:16 amIAH-STL
11h 16m1 stop
6:47 pm - 10:13 amSTL-IAH
15h 26m1 stop
Thu, Mar 20 - Thu, Mar 27
6:00 am - 10:25 amHOU-STL
4h 25m1 stop
5:27 pm - 11:56 pmSTL-HOU
6h 29m1 stop
$217American Airlines
Find Deal
Sat, Apr 5 - Mon, Apr 7

Southwest flights from Houston to St. Louis

Our best Southwest deals on Houston to St. Louis flight tickets
Southwest
Mar 6
HOU5:10 amHouston Hobby
1h 55m
STL7:05 amLambert-St Louis
Mar 10
STL10:55 pmLambert-St Louis
2h 10m
HOU1:05 amHouston Hobby
Southwest
Mar 6
HOU5:10 amHouston Hobby
1h 55m
STL7:05 amLambert-St Louis
Mar 10
STL8:10 pmLambert-St Louis
4h 55m
1 stop
HOU1:05 amHouston Hobby
Southwest
Mar 20
HOU6:00 amHouston Hobby
4h 05m
1 stop
STL10:05 amLambert-St Louis
Mar 27
STL5:50 pmLambert-St Louis
5h 45m
1 stop
HOU11:35 pmHouston Hobby

United Airlines flights from Houston to St. Louis

Our best United Airlines deals on Houston to St. Louis flight tickets
United Airlines
Apr 3
IAH7:45 amHouston George Bush Intcntl
2h 11m
STL9:56 amLambert-St Louis
Apr 7
STL8:40 amLambert-St Louis
2h 23m
IAH11:03 amHouston George Bush Intcntl
United Airlines
Apr 3
IAH7:45 amHouston George Bush Intcntl
2h 11m
STL9:56 amLambert-St Louis
Apr 7
STL5:35 pmLambert-St Louis
7h 16m
1 stop
IAH12:51 amHouston George Bush Intcntl
United Airlines
Mar 25
IAH6:45 pmHouston George Bush Intcntl
2h 04m
STL8:49 pmLambert-St Louis
Mar 28
STL5:33 pmLambert-St Louis
5h 48m
1 stop
IAH11:21 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 $303. The month of August is another great option to travel to St. Louis, with average flight prices from Houston averaging around $326.

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 $366. 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 $468. 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 $375 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 $399 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 $362 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 $243 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

$72

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 in the past 72 hours is $72. The best round-trip flight deal from Houston to St. Louis found on momondo in the last 72 hours is $110.
The fastest flight from Houston to St. Louis takes 1h 55m
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 1h 55m 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
6.0
3,355 reviews
Search Frontier flights
United AirlinesPriceFrom $205Free CancellationRating
7.4
8,765 reviews
Search United Airlines flights
American AirlinesPriceFrom $207Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $272Free CancellationRating
8.1
4,411 reviews
Search Southwest 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
Collinsville
Florissant
Maryland Heights
Hermann
Fairview Heights
Fenton
O'Fallon
Farmington
Alton
St. Peters
Wentzville
Eureka
Festus
Glencoe
Clayton
Edwardsville
Litchfield
Grafton

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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