St. Louis

$53+ Cheap flights from George Bush Intcntl (IAH) to St. Louis (STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — STL
Dec 23 — Dec 301
We work with more than 300 partners to bring you better travel deals

Find cheap flights from George Bush Intcntl to St. Louis with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

The best prices from Houston George Bush Intcntl to Lambert-St Louis are usually found in April or August, booked 65 days in advance, depart on a Saturday or Wednesday and return on a Tuesday

Cheap flight deals from George Bush Intcntl to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 18, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$116
(CheapOair)

One-way from

$53
(Frontier)

Popular in

February

Cheapest in

April

Average price

$440
Provider with most accurate pricing for Houston George Bush Intcntl-Lambert-St Louis flight deals.
Provider most trusted by Cheapflights users for Houston George Bush Intcntl-Lambert-St Louis flights.
From Houston George Bush Intcntl to Lambert-St Louis
One-way flight from Houston George Bush Intcntl to Lambert-St Louis
High demand for flights, 19% potential price rise
Best time to find cheap flights, 4% potential price drop
Average for round-trip flights in December 2024

Find flight deals from George Bush Intcntl to St. Louis

Cheapest flights from George Bush Intcntl to St. Louis
Explore the most affordable flight options available from George Bush Intcntl to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2024.

This CheapOair deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/308:18 amIAH - STL
1 stop15h 22mFrontier
Thu 1/28:10 pmSTL - IAH
1 stop11h 10mFrontier
Deal found 12/16$218
This CheapOair deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/307:52 pmIAH - STL
1 stop19h 29mMultiple Airlines
Tue 1/75:05 pmSTL - IAH
1 stop17h 57mMultiple Airlines
Deal found 12/17$276
This Mytrip deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/306:57 pmIAH - STL
2 stops20h 24mSpirit Airlines
Tue 1/74:27 pmSTL - IAH
1 stop16h 27mSpirit Airlines
Deal found 12/17$310
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/309:58 pmIAH - STL
Nonstop2h 01mUnited Airlines
Thu 1/25:59 pmSTL - IAH
Nonstop2h 27mUnited Airlines
Deal found 12/16$417
This Delta deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/276:20 pmIAH - STL
1 stop5h 20mDelta
Tue 12/315:17 pmSTL - IAH
1 stop6h 39mDelta
Deal found 12/17$569
This American Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/236:00 amIAH - STL
1 stop4h 45mAmerican Airlines
Sat 12/286:28 pmSTL - IAH
1 stop5h 36mAmerican Airlines
Deal found 12/16$640
This Alaska Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/306:51 pmIAH - STL
2 stops21h 43mAlaska Airlines
Mon 1/62:49 pmSTL - IAH
1 stop25h 47mAlaska Airlines
Deal found 12/17$1,077

Find flights from George Bush Intcntl to St. Louis within your budget

Customize your flight search to find flights from George Bush Intcntl 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, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

HoustonSt. Louis

IAH - STL

IAHSTL

Houston George Bush Intcntl

Tue 1/14

9:10 pm-11:27 pm

1 stop26h 17m

Lambert-St Louis

Tue 1/21

5:05 pm-11:06 am

1 stop18h 01m

$116

HoustonSt. Louis

IAH - STL

IAHSTL

Houston George Bush Intcntl

Wed 1/15

12:50 pm-2:43 pm

2 stops25h 53m

Lambert-St Louis

Wed 1/22

5:05 pm-12:45 pm

1 stop19h 40m

$177

HoustonSt. Louis

IAH - STL

IAHSTL

Houston George Bush Intcntl

Tue 1/14

5:05 am-2:43 pm

1 stop9h 38m

Lambert-St Louis

Tue 1/21

3:48 pm-11:45 am

2 stops19h 57m

$264

HoustonSt. Louis

IAH - STL

IAHSTL

Houston George Bush Intcntl

Fri 2/21

7:54 pm-10:00 pm

Nonstop2h 06m

Lambert-St Louis

Mon 2/24

6:15 am-8:42 am

Nonstop2h 27m

$307

HoustonSt. Louis

IAH - STL

IAHSTL

Houston George Bush Intcntl

Sat 1/18

7:05 am-11:47 am

1 stop4h 42m

Lambert-St Louis

Mon 1/27

6:43 am-3:03 pm

1 stop8h 20m

$326

HoustonSt. Louis

IAH - STL

IAHSTL

Houston George Bush Intcntl

Fri 3/14

6:25 am-11:29 am

1 stop5h 04m

Lambert-St Louis

Sun 3/16

1:51 pm-10:21 pm

1 stop8h 30m

$476

HoustonSt. Louis

IAH - STL

IAHSTL

Houston George Bush Intcntl

Tue 1/14

7:35 am-11:57 pm

2 stops16h 22m

Lambert-St Louis

Tue 1/21

6:03 am-11:59 pm

2 stops17h 56m

$652

HoustonSt. Louis

IAH - STL

IAHSTL

Houston George Bush Intcntl

Wed 2/19

5:05 pm-11:43 pm

1 stop6h 38m

$53

HoustonSt. Louis

IAH - STL

IAHSTL

Houston George Bush Intcntl

Mon 2/3

2:56 pm-2:43 pm

2 stops23h 47m

$100

HoustonSt. Louis

IAH - STL

IAHSTL

Houston George Bush Intcntl

Mon 2/24

7:54 pm-10:00 pm

Nonstop2h 06m

$154

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 14 results
1
2

Compare providers for flights from George Bush Intcntl to St. Louis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from George Bush Intcntl to St. Louis in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Houston George Bush Intcntl Airport-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Houston George Bush Intcntl Airport-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Houston George Bush Intcntl Airport-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Houston George Bush Intcntl Airport-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Houston George Bush Intcntl Airport-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from George Bush Intcntl to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from George Bush Intcntl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from George Bush Intcntl to St. Louis

Get recent, data-driven insights about flights from George Bush Intcntl to St. Louis including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Houston George Bush Intcntl Airport to St. Louis?

Use this chart to determine the optimal time to book a round-trip flight from George Bush Intcntl to St. Louis. Price data was last updated on December 13, 2024.

Booking 65 days in advance of your planned departure date is, on average, the best time to get cheap flights from Houston George Bush Intcntl Airport to St. Louis. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to St. Louis (average of $311). Flying from Houston George Bush Intcntl Airport to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IAH to STL?

Find hourly flight availability from George Bush Intcntl to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2024.

When flying from Houston George Bush Intcntl Airport to St. Louis, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 9% versus a flight in the morning.

What is the cheapest day to fly from Houston George Bush Intcntl Airport to St. Louis?

Use this chart to determine the cheapest time to fly round-trip from George Bush Intcntl to St. Louis. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Houston George Bush Intcntl Airport to St. Louis flight should consider departing on Monday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated December 18, 2024.
Read through reviews of airlines operating flights from Houston to St. Louis, such as United Airlines, Delta and Frontier. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
9,554 reviews

Entertainment

7.1

Overall

8.0

Food

7.2

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

8.0
Very good
9,554 reviews
8.0
Very good
9,554 reviews

Entertainment

7.1

Overall

8.0

Food

7.2

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

8.0
Very good
8,604 reviews
8.0
Very good
9,554 reviews

Entertainment

7.1

Overall

8.0

Food

7.2

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

7.4
Good
9,055 reviews
8.0
Very good
9,554 reviews

Entertainment

7.1

Overall

8.0

Food

7.2

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

7.2
Good
10,000 reviews
8.0
Very good
9,554 reviews

Entertainment

7.1

Overall

8.0

Food

7.2

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

6.3
Okay
8,119 reviews
8.0
Very good
9,554 reviews

Entertainment

7.1

Overall

8.0

Food

7.2

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

Related info for your journey

Find useful and relevant information for your journey from George Bush Intcntl to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to St. Louis from Houston George Bush Intcntl?

    Lambert-St Louis (STL) is the airport you will fly into if you book a flight from Houston George Bush Intcntl to St. Louis. You should not have trouble finding flights to Lambert-St Louis from Houston George Bush Intcntl; the airport handles an average of 4 inbound flights from Houston George Bush Intcntl per day. You should also have plenty of airline options to choose from since 3 airlines have flights to the St. Louis airport from Houston George Bush Intcntl. It is only a 12.7 mi journey from Lambert-St Louis (STL) to St. Louis’s city center.

  • What are the cheapest airlines flying from Houston George Bush Intcntl Airport to St. Louis round-trip?

    According to our current data, Frontier ($116), Spirit Airlines ($264), and United Airlines ($307) offers the cheapest pricing from Houston George Bush Intcntl Airport to St. Louis. These flights start at 70% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Houston George Bush Intcntl Airport to St. Louis one-way?

    The cheapest airlines for a one-way flight from Houston George Bush Intcntl Airport to St. Louis are Frontier ($53), Spirit Airlines ($100), and United Airlines ($154).

  • What are the most reliable airlines from Houston George Bush Intcntl Airport to St. Louis?

    The top 3 most reliable airlines when flying from Houston George Bush Intcntl Airport to St. Louis are SkyWest Airlines (100%), Mesa Airlines (94%) and Emirates (88%).

  • What are the cheapest flights from Houston George Bush Intcntl Airport to St. Louis?

    The cheapest flight price from Houston George Bush Intcntl Airport to St. Louis is $187. On average you can expect to pay $340. The most popular route, (Houston George Bush Intcntl - Lambert-St Louis), can usually be booked for $190.

  • Can I find deals for flights from George Bush Intcntl to St. Louis that include hotel bookings?

    Yes. In addition to deals on George Bush Intcntl to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from George Bush Intcntl to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from George Bush Intcntl to St. Louis.

  • Can I find deals for business class flights from George Bush Intcntl to St. Louis?

    Yes. Cheapflights offers flight deals from George Bush Intcntl to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to St. Louis (average of $311). Flying from Houston George Bush Intcntl Airport to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from George Bush Intcntl to St. Louis

Discover the top 3 airlines that operate flights from George Bush Intcntl to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$115Average$178FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$223Average$390FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$250Average$326FlexibilityNo cancel feeOn-time71%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.