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Cheap flights from St. Louis to Houston George Bush Intcntl Airport from $55

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Houston George Bush Intcntl Airport departing on 3/8. 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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Find the cheapest flights from St. Louis to Houston

Cheap round-trip flights

These are some of the best round-trip flight deals from St. Louis to Houston that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from St. Louis to Houston.

Cheap last minute flights

Planning a quick getaway from St. Louis to Houston? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Houston, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from St. Louis to Houston

Find recent round-trip train or bus tickets from St. Louis to Houston.

All round-trip flight deals from St. Louis to Houston

The cheapest plane tickets from St. Louis to Houston found on KAYAK recently.
10:36 am - 5:19 pmSTL-IAH
6h 43m1 stop
8:12 pm - 7:58 amIAH-STL
11h 46m1 stop
$114Frontier
Find Deal
Mon, Mar 10 - Sat, Mar 15
5:20 pm - 10:20 amSTL-IAH
17h 00m1 stop
5:05 pm - 11:43 pmIAH-STL
6h 38m1 stop
$117Frontier
Find Deal
Wed, Feb 19 - Wed, Feb 26
11:08 pm - 11:07 amSTL-IAH
11h 59m1 stop
8:12 pm - 2:42 pmIAH-STL
18h 30m1 stop
Thu, Feb 13 - Mon, Feb 17
1:51 pm - 10:20 pmSTL-IAH
8h 29m1 stop
5:37 pm - 10:44 pmIAH-STL
5h 07m1 stop
$197American Airlines
Find Deal
Thu, Mar 13 - Mon, Mar 17
7:07 pm - 11:59 pmSTL-IAH
4h 52m1 stop
7:05 am - 12:00 pmIAH-STL
4h 55m1 stop
$217Delta
Find Deal
Fri, Feb 21 - Wed, Mar 26
12:15 pm - 7:32 pmSTL-IAH
31h 17m2 stops
8:00 am - 2:42 pmIAH-STL
6h 42m1 stop
Fri, Feb 21 - Thu, Feb 27
12:52 pm - 8:44 pmSTL-IAH
7h 52m1 stop
6:00 am - 11:46 amIAH-STL
5h 46m1 stop
$237Delta
Find Deal
Sat, Feb 15 - Sat, Feb 22
4:30 pm - 6:46 pmSTL-IAH
2h 16mnonstop
1:05 pm - 3:11 pmIAH-STL
2h 06mnonstop
$247United Airlines
Find Deal
Tue, Feb 18 - Tue, Feb 25
8:40 am - 11:03 amSTL-IAH
2h 23mnonstop
6:30 am - 2:36 pmIAH-STL
8h 06m1 stop
$257United Airlines
Find Deal
Tue, Feb 18 - Tue, Feb 25
5:37 pm - 10:56 pmSTL-IAH
5h 19m1 stop
6:25 am - 11:24 amIAH-STL
4h 59m1 stop
$296American Airlines
Find Deal
Thu, Mar 6 - Sun, Mar 9
5:24 pm - 9:22 amSTL-IAH
15h 58m1 stop
$55Frontier
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Sat, Mar 8
5:20 pm - 10:12 amSTL-IAH
16h 52m1 stop
$56Frontier
Find Deal
Tue, Feb 25
5:38 pm - 8:00 amSTL-IAH
14h 22m1 stop
$80Spirit Airlines
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Tue, Mar 11
4:30 pm - 6:46 pmSTL-IAH
2h 16mnonstop
$89United Airlines
Find Deal
Mon, Feb 24
5:17 pm - 5:34 pmSTL-IAH
24h 17m2 stops
$94Spirit Airlines
Find Deal
Tue, Apr 1
5:35 pm - 11:07 pmSTL-IAH
5h 32m1 stop
$99Delta
Find Deal
Mon, Mar 24
8:40 am - 11:03 amSTL-IAH
2h 23mnonstop
$109United Airlines
Find Deal
Sat, Mar 1
1:52 pm - 8:23 pmSTL-IAH
6h 31m1 stop
$119American Airlines
Find Deal
Fri, Feb 14
9:28 am - 5:43 pmSTL-IAH
8h 15m1 stop
$157American Airlines
Find Deal
Thu, Mar 27
6:00 am - 11:31 amSTL-IAH
5h 31m1 stop
$198Delta
Find Deal
Sun, Apr 20
7:09 pm - 11:34 pmSTL-IAH
28h 25m1 stop
9:17 pm - 11:31 pmIAH-STL
26h 14m1 stop
$198Frontier
Find Deal
Mon, Jan 27 - Mon, Feb 3
7:09 pm - 12:14 pmSTL-IAH
17h 05m1 stop
9:17 pm - 7:22 amIAH-STL
10h 05m1 stop
$219Frontier
Find Deal
Sat, Jan 25 - Sat, Feb 1
1:00 pm - 12:15 amSTL-IAH
11h 15m3 stops
8:00 am - 2:43 pmIAH-STL
6h 43m1 stop
Fri, Jan 24 - Thu, Feb 6
1:00 pm - 11:43 pmSTL-IAH
34h 43m3 stops
2:56 pm - 2:43 pmIAH-STL
23h 47m2 stops
Mon, Jan 27 - Mon, Feb 3
4:28 pm - 11:03 pmSTL-IAH
6h 35m1 stop
5:05 am - 2:43 pmIAH-STL
9h 38m1 stop
$408Spirit Airlines
Find Deal
Sun, Jan 26 - Tue, Feb 4
4:28 pm - 10:11 amSTL-IAH
17h 43m2 stops
5:05 am - 2:43 pmIAH-STL
9h 38m1 stop
$573Spirit Airlines
Find Deal
Sun, Jan 26 - Tue, Jan 28
10:55 am - 1:20 pmSTL-IAH
2h 25mnonstop
12:29 pm - 2:37 pmIAH-STL
2h 08mnonstop
$662United Airlines
Find Deal
Fri, Jan 24 - Thu, Feb 6
9:44 am - 5:04 pmSTL-IAH
7h 20m1 stop
12:29 pm - 2:37 pmIAH-STL
2h 08mnonstop
$672United Airlines
Find Deal
Fri, Jan 24 - Thu, Feb 6
2:27 pm - 4:36 pmSTL-IAH
26h 09m2 stops
7:35 am - 1:53 pmIAH-STL
30h 18m1 stop
$1,388Alaska Airlines
Find Deal
Mon, Jan 27 - Mon, Feb 3
2:49 pm - 3:59 pmSTL-IAH
25h 10m2 stops
2:05 pm - 1:53 pmIAH-STL
23h 48m2 stops
$1,393Alaska Airlines
Find Deal
Mon, Jan 27 - Mon, Feb 3
6:15 am - 8:41 amSTL-IAH
2h 26mnonstop
6:35 pm - 8:44 pmIAH-STL
2h 09mnonstop
$197United Airlines
Find Deal
Tue, Feb 25 - Fri, Feb 28
8:40 am - 11:03 amSTL-IAH
2h 23mnonstop
6:35 pm - 8:44 pmIAH-STL
2h 09mnonstop
$247United Airlines
Find Deal
Wed, Feb 19 - Wed, Feb 26
4:33 pm - 6:49 pmSTL-IAH
2h 16mnonstop
7:45 am - 9:51 amIAH-STL
2h 06mnonstop
$267United Airlines
Find Deal
Fri, Mar 7 - Mon, Mar 10
11:00 am - 1:23 pmSTL-IAH
2h 23mnonstop
7:45 am - 9:56 amIAH-STL
2h 11mnonstop
$276United Airlines
Find Deal
Tue, Apr 15 - Sat, Apr 19
8:40 am - 11:03 amSTL-IAH
2h 23mnonstop
7:54 pm - 10:06 pmIAH-STL
2h 12mnonstop
$282United Airlines
Find Deal
Mon, Feb 24 - Mon, Feb 24
10:55 am - 1:21 pmSTL-IAH
2h 26mnonstop
7:54 pm - 10:06 pmIAH-STL
2h 12mnonstop
$287United Airlines
Find Deal
Sat, Feb 15 - Mon, Feb 17
8:40 am - 11:03 amSTL-IAH
2h 23mnonstop
6:25 pm - 8:36 pmIAH-STL
2h 11mnonstop
$298United Airlines
Find Deal
Fri, Apr 25 - Thu, May 1
8:40 am - 11:03 amSTL-IAH
2h 23mnonstop
7:45 am - 9:56 amIAH-STL
2h 11mnonstop
$302United Airlines
Find Deal
Fri, Apr 11 - Mon, Apr 14
8:40 am - 10:57 amSTL-IAH
2h 17mnonstop
7:54 pm - 10:06 pmIAH-STL
2h 12mnonstop
$304United Airlines
Find Deal
Thu, Feb 13 - Mon, Feb 17
8:40 am - 11:04 amSTL-IAH
2h 24mnonstop
1:10 pm - 3:16 pmIAH-STL
2h 06mnonstop
$316United Airlines
Find Deal
Sun, Mar 23 - Wed, Mar 26

Delta flights from St. Louis to Houston George Bush Intcntl Airport

Our best Delta deals on St. Louis to Houston George Bush Intcntl Airport flight tickets
Delta
Feb 21
STL7:07 pmLambert-St Louis
4h 52m
1 stop
IAH11:59 pmHouston George Bush Intcntl
Mar 26
IAH7:05 amHouston George Bush Intcntl
4h 55m
1 stop
STL12:00 pmLambert-St Louis
Delta
Feb 15
STL12:52 pmLambert-St Louis
7h 52m
1 stop
IAH8:44 pmHouston George Bush Intcntl
Feb 22
IAH6:00 amHouston George Bush Intcntl
5h 46m
1 stop
STL11:46 amLambert-St Louis

United Airlines flights from St. Louis to Houston George Bush Intcntl Airport

Our best United Airlines deals on St. Louis to Houston George Bush Intcntl Airport flight tickets
United Airlines
Feb 18
STL4:30 pmLambert-St Louis
2h 16m
IAH6:46 pmHouston George Bush Intcntl
Feb 25
IAH1:05 pmHouston George Bush Intcntl
2h 06m
STL3:11 pmLambert-St Louis
United Airlines
Feb 18
STL8:40 amLambert-St Louis
2h 23m
IAH11:03 amHouston George Bush Intcntl
Feb 25
IAH6:30 amHouston George Bush Intcntl
8h 06m
1 stop
STL2:36 pmLambert-St Louis
United Airlines
Feb 21
STL5:36 pmLambert-St Louis
6h 54m
1 stop
IAH12:30 amHouston George Bush Intcntl
Mar 26
IAH7:45 amHouston George Bush Intcntl
2h 06m
STL9:51 amLambert-St Louis

See travel insights to Houston from

How to get the cheapest flight ticket from St. Louis to Houston George Bush Intcntl Airport

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 Houston George Bush Intcntl Airport?

The month of May is, on average, the cheapest month to fly to Houston George Bush Intcntl Airport from St. Louis, with most prices found around $330. If you are unable to visit Houston George Bush Intcntl Airport during the month of May, then departing from St. Louis during the month April is also very affordable. Most momondo users find prices during this month for around $333.

What is the cheapest day to depart on your flight to Houston George Bush Intcntl Airport?

The cheapest day to depart from St. Louis to Houston George Bush Intcntl Airport is on a Friday. Travelers who choose to depart for Houston George Bush Intcntl Airport on a Friday will often find tickets for as low as $507. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Houston George Bush Intcntl Airport on Saturday is $611.

What is the cheapest time of day to depart on your flight to Houston George Bush Intcntl Airport?

Our data shows that the cheapest St. Louis to Houston George Bush Intcntl Airport flights are usually those with departure times in the evening. Our users have found flights to Houston George Bush Intcntl Airport in the evening for as low as $240. Try not to purchase tickets in the morning because they tend to be around $567. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

Fly from Lambert-St Louis to Houston George Bush Intcntl for the best Lambert-St Louis - Houston George Bush Intcntl flight prices

How far in advance should I book a flight to Houston George Bush Intcntl Airport?

You are more likely to see cheaper flights to Houston George Bush Intcntl Airport from St. Louis when booking 7 weeks ahead of your departure date. In general, you can expect to find flights to Houston George Bush Intcntl Airport for around $384 when searching 7 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston George Bush Intcntl Airport from St. Louis for as low as $270 on momondo.

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

There are 4 cabin classes available to choose from on Lambert-St Louis to Houston George Bush Intcntl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have St. Louis to Houston George Bush Intcntl Airport flight prices changed over time?

As of January 2025, prices for St. Louis to Houston George Bush Intcntl Airport flights are approximately 95% more expensive when compared to flights at the same time last year.

When to book flights from St. Louis to Houston George Bush Intcntl Airport

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

Cheap St. Louis to Houston George Bush Intcntl Airport (STL to IAH) flight deals and tips

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

Best Price Found

$55

Fastest flight time

2h 16m

Direct flights

Every day
The best one-way flight to Houston George Bush Intcntl Airport from St. Louis in the past 72 hours is $55. The best round-trip flight deal from St. Louis to Houston George Bush Intcntl Airport found on momondo in the last 72 hours is $114.
The fastest flight from St. Louis to Houston George Bush Intcntl Airport takes 2h 16m
Direct flights go from St. Louis to Houston George Bush Intcntl Airport every day.

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

    Lambert-St Louis and Houston George Bush Intcntl are 664.5 mi apart from one another. In terms of flight time, this usually takes a little over 2h 16m.

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

    Prices for flights from Lambert-St Louis Airport to Houston George Bush Intcntl Airport are refreshed on a daily basis.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Houston George Bush Intcntl Airport.

  • What documentation or ID do you need to fly to Houston George Bush Intcntl Airport?

    The necessary travel and health documents for your Houston George Bush Intcntl 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.

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

  • What is the most popular airline from St. Louis to Houston George Bush Intcntl Airport?


Best airlines flying from St. Louis to Houston George Bush Intcntl Airport

Compare and see reviews for airlines that fly from St. Louis to Houston George Bush Intcntl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $99Free CancellationRating
6.0
3,441 reviews
Search Frontier flights
United AirlinesPriceFrom $189Free CancellationRating
7.4
8,975 reviews
Search United Airlines flights
American AirlinesPriceFrom $266Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
  • United Airlines Flights From St. Louis to Houston George Bush Intcntl Airport

    United Airlines flies from St. Louis to Houston George Bush Intcntl Airport around 20 times per week, with 8,975 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from St. Louis to Houston George Bush Intcntl Airport in the last 72 hours was $189 (round-trip), much lower than the average airfare cost of $399 for United Airlines flights on this route.


Traveling to a place near Houston?

Book flights to Houston if you plan to visit one of these locations
Katy
The Woodlands
Humble
Spring
Conroe
Cypress
Tomball
Montgomery
Livingston
Jersey Village

Why use momondo?

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

It is quick and easy to find St. Louis to Houston flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Houston that suits you.

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

Yes. momondo enables you to select and highlight flights to Houston from St. Louis with this policy.

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

Once all potential St. Louis to Houston flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of St. Louis to Houston flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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