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Cheap flights from Houston George Bush Intcntl Airport to St. Louis from $50

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 George Bush Intcntl Airport to St. Louis departing on 2/26. 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 Houston George Bush Intcntl Airport to St. Louis

Cheap round-trip flights

These are some of the best round-trip flight deals from Houston George Bush Intcntl Airport to St. Louis that have been recently found on momondo from popular airlines, departing in the coming months.
8:12 pm - 11:43 pmIAH-STL
27h 31m1 stop
6:43 pm - 11:07 amSTL-IAH
16h 24m1 stop
$110Frontier
Find Deal
Mon, Feb 24 - Wed, Feb 26
5:05 pm - 11:43 pmIAH-STL
6h 38m1 stop
8:52 pm - 11:07 amSTL-IAH
14h 15m1 stop
$125Frontier
Find Deal
Wed, Feb 12 - Sat, Feb 15
10:00 pm - 9:16 amIAH-STL
11h 16m1 stop
5:38 pm - 10:13 amSTL-IAH
16h 35m1 stop
Tue, Mar 11 - Tue, Mar 18
5:45 am - 4:42 pmIAH-STL
10h 57m1 stop
5:38 pm - 8:00 amSTL-IAH
14h 22m1 stop
$176Spirit Airlines
Find Deal
Thu, Mar 6 - Tue, Mar 11
8:03 pm - 10:07 pmIAH-STL
2h 04mnonstop
4:29 pm - 6:45 pmSTL-IAH
2h 16mnonstop
$177United Airlines
Find Deal
Tue, Mar 11 - Tue, Mar 18
8:28 pm - 9:09 amIAH-STL
12h 41m1 stop
5:24 pm - 10:12 amSTL-IAH
16h 48m1 stop
Fri, Mar 7 - Mon, Mar 10
5:45 am - 4:42 pmIAH-STL
10h 57m1 stop
5:38 pm - 8:00 amSTL-IAH
14h 22m1 stop
$196Spirit Airlines
Find Deal
Thu, Mar 6 - Sun, Mar 9
7:45 am - 9:51 amIAH-STL
2h 06mnonstop
8:40 am - 11:03 amSTL-IAH
2h 23mnonstop
$197United Airlines
Find Deal
Thu, Feb 27 - Sat, Mar 1
12:11 pm - 7:30 pmIAH-STL
7h 19m1 stop
5:37 pm - 11:57 pmSTL-IAH
6h 20m1 stop
$250American Airlines
Find Deal
Thu, Mar 20 - Mon, Mar 24
5:00 am - 10:33 amIAH-STL
5h 33m1 stop
6:36 pm - 11:30 pmSTL-IAH
4h 54m1 stop
$273American Airlines
Find Deal
Mon, Feb 24 - Mon, Feb 24

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

Our best Frontier deals on Houston George Bush Intcntl Airport to St. Louis flight tickets
Frontier
Feb 24
IAH8:12 pmHouston George Bush Intcntl
27h 31m
1 stop
STL11:43 pmLambert-St Louis
Feb 26
STL6:43 pmLambert-St Louis
16h 24m
1 stop
IAH11:07 amHouston George Bush Intcntl
Frontier
Feb 8
IAH9:17 pmHouston George Bush Intcntl
10h 00m
1 stop
STL7:17 amLambert-St Louis
Feb 11
STL5:05 pmLambert-St Louis
22h 58m
1 stop
IAH4:03 pmHouston George Bush Intcntl
Frontier
Feb 12
IAH5:05 pmHouston George Bush Intcntl
6h 38m
1 stop
STL11:43 pmLambert-St Louis
Feb 15
STL8:52 pmLambert-St Louis
14h 15m
1 stop
IAH11:07 amHouston George Bush Intcntl

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

Our best United Airlines deals on Houston George Bush Intcntl Airport to St. Louis flight tickets
United Airlines
Mar 11
IAH8:03 pmHouston George Bush Intcntl
2h 04m
STL10:07 pmLambert-St Louis
Mar 18
STL4:29 pmLambert-St Louis
2h 16m
IAH6:45 pmHouston George Bush Intcntl
United Airlines
Feb 27
IAH7:45 amHouston George Bush Intcntl
2h 06m
STL9:51 amLambert-St Louis
Mar 1
STL8:40 amLambert-St Louis
2h 23m
IAH11:03 amHouston George Bush Intcntl
United Airlines
Feb 27
IAH8:40 amHouston George Bush Intcntl
5h 56m
1 stop
STL2:36 pmLambert-St Louis
Mar 1
STL8:40 amLambert-St Louis
2h 23m
IAH11:03 amHouston George Bush Intcntl

See travel insights to St. Louis from

How to get the cheapest flight ticket from Houston George Bush Intcntl 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 typical price of a round-trip flight between Houston George Bush Intcntl Airport and St. Louis?

What is the cheapest month to fly to St. Louis?

In general, April is the cheapest month to fly from Houston George Bush Intcntl Airport to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $286. The month of August is another great option to travel to St. Louis, with average flight prices from Houston George Bush Intcntl Airport averaging around $290.

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 $368. 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 $473. 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 George Bush Intcntl Airport at noon is the least expensive time of day to depart. momondo users have found prices as low as $376 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 $401 per ticket.

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

Fly from Houston George Bush Intcntl to Lambert-St Louis for the best Houston George Bush Intcntl - 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 George Bush Intcntl Airport when booking 19 weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $383 when searching 19 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Houston George Bush Intcntl Airport for as low as $283 on momondo.

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

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

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

As of January 2025, prices for Houston George Bush Intcntl Airport to St. Louis flights are approximately 5% more expensive when compared to flights at the same time last year.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Houston George Bush Intcntl 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 George Bush Intcntl Airport to St. Louis (IAH to STL) flight deals and tips

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

Best Price Found

$50

Fastest flight time

1h 59m

Direct flights

Every day

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Houston George Bush Intcntl Airport in the past 72 hours is $50. The best round-trip flight deal from Houston George Bush Intcntl Airport to St. Louis found on momondo in the last 72 hours is $110.
The fastest flight from Houston George Bush Intcntl Airport to St. Louis takes 1h 59m
Direct flights go from Houston George Bush Intcntl Airport to St. Louis every day.
There is 1 airport near St. Louis: Lambert-St Louis (STL)

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

    The straight-line distance from Houston George Bush Intcntl to Lambert-St Louis is 664.5 mi. 1h 59m is a normal flight duration for this route.

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

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

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

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

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

    The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

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


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

Compare and see reviews for airlines that fly from Houston George Bush Intcntl Airport to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $115Free CancellationRating
6.0
3,428 reviews
Search Frontier flights
United AirlinesPriceFrom $215Free CancellationRating
7.4
8,913 reviews
Search United Airlines flights
American AirlinesPriceFrom $250Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
  • United Airlines Flights From Houston George Bush Intcntl Airport to St. Louis

    United Airlines operates around 20 flights from Houston George Bush Intcntl Airport to St. Louis every week. The average price of these flights found in the last 72 hours has been $390, but momondo users have found United Airlines deals from Houston George Bush Intcntl Airport to St. Louis from as low as $215 round-trip. United Airlines has been scored 7.4/10 in 8,913 reviews.


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
Collinsville
Hermann
Maryland Heights
Fairview Heights
Farmington
O'Fallon
Fenton
Alton
Wentzville
St. Peters
Eureka
Festus
Clayton
Edwardsville
Glencoe
Litchfield
Grafton

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Houston to St. Louis. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for Houston to St. Louis flights to just show those with 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 simply researching potential flights to St. Louis, momondo offers a useful price alert feature which will track prices for flights to St. Louis from Houston and alert you when they change.


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