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$58+ Cheap flights from George Bush Intcntl (IAH) to Missouri

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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — STL
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from George Bush Intcntl to Missouri

Keep the following information in mind while searching for George Bush Intcntl to Missouri flight deals. Data was last updated September 15, 2025.

Round-trip from

$115
(United Airlines)

One-way from

$58
(United Airlines)

Popular in

January

Cheapest in

August

Average price

$335

Good round-trip deal

$228 or less

Good one-way deal

$167 or less
From Houston George Bush Intcntl to Missouri
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One-way flight from Houston George Bush Intcntl to Missouri
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Highest demand for flights based on searches. 19% potential increase in price ($93 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Houston George Bush Intcntl to Missouri.
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Price to beat on a one-way flight from Houston George Bush Intcntl to Missouri.
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Find flight deals from George Bush Intcntl to Missouri

Cheapest flights from George Bush Intcntl to Missouri
Explore the most affordable flight options available from George Bush Intcntl to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This United Airlines deal was found by Cheapflights users on 9/14. 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.
Fri 10/245:00 pmIAH - STL
Nonstop1h 57mUnited Airlines
Sun 10/266:15 amSTL - IAH
Nonstop2h 18mUnited Airlines
Deal found 9/14$115
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Tue 11/47:30 amIAH - MCI
Nonstop1h 59mUnited Airlines
Tue 11/118:10 amMCI - IAH
Nonstop2h 15mUnited Airlines
Deal found 9/12$117
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Tue 11/254:45 pmIAH - STL
Nonstop2h 02mUnited Airlines
Mon 12/18:20 amSTL - IAH
Nonstop2h 20mUnited Airlines
Deal found 9/14$117
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Wed 10/87:57 pmIAH - STL
Nonstop2h 03mUnited Airlines
Mon 10/136:15 amSTL - IAH
Nonstop2h 11mUnited Airlines
Deal found 9/12$131
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Fri 10/35:00 pmIAH - STL
Nonstop1h 57mUnited Airlines
Wed 10/86:15 amSTL - IAH
Nonstop2h 11mUnited Airlines
Deal found 9/12$132
This Priceline deal was found by Cheapflights users on 9/13. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/256:05 amIAH - MCI
1 stop10h 15mFrontier
Thu 10/23:01 pmMCI - IAH
1 stop8h 38mFrontier
Deal found 9/13$143
This Priceline deal was found by Cheapflights users on 9/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/26:05 amIAH - STL
1 stop8h 59mFrontier
Sun 10/54:00 pmSTL - IAH
1 stop5h 52mFrontier
Deal found 9/14$143
This Priceline deal was found by Cheapflights users on 9/13. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/256:05 amIAH - MCI
1 stop10h 15mFrontier
Fri 9/263:01 pmMCI - IAH
1 stop8h 38mFrontier
Deal found 9/13$144
This Priceline deal was found by Cheapflights users on 9/12. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/196:05 amIAH - MCI
1 stop10h 15mFrontier
Fri 9/263:01 pmMCI - IAH
1 stop8h 38mFrontier
Deal found 9/12$147
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Thu 10/235:00 pmIAH - STL
Nonstop1h 57mUnited Airlines
Sun 10/266:15 amSTL - IAH
Nonstop2h 18mUnited Airlines
Deal found 9/12$147
This Frontier deal was found by Cheapflights users on 9/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/187:00 amIAH - MCI
1 stop10h 55mFrontier
Mon 10/2011:37 amMCI - IAH
1 stop10h 26mFrontier
Deal found 9/14$148
This Frontier deal was found by Cheapflights users on 9/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/311:39 amIAH - STL
1 stop8h 58mFrontier
Mon 10/64:00 pmSTL - IAH
1 stop5h 53mFrontier
Deal found 9/13$152

Cheapflights Fare Finder

 
Customize your flight search to find flights from George Bush Intcntl to Missouri 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 September 15, 2025.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Missouri that are best for you.

Fly from

George Bush Intcntl

Fly to

Missouri

Route

Depart

Return

Price

HoustonSt. Louis

IAH - STL

IAHSTL

Houston George Bush Intcntl

Fri 10/17

7:57 pm-10:00 pm

Nonstop2h 03m

Lambert-St Louis

Tue 10/21

6:15 am-8:26 am

Nonstop2h 11m

$115

HoustonSt. Louis

IAH - STL

IAHSTL

Houston George Bush Intcntl

Wed 10/8

5:00 pm-6:57 pm

Nonstop1h 57m

Lambert-St Louis

Sat 10/18

6:15 am-8:26 am

Nonstop2h 11m

$115

HoustonSt. Louis

IAH - STL

IAHSTL

Houston George Bush Intcntl

Fri 10/24

7:57 pm-10:00 pm

Nonstop2h 03m

Lambert-St Louis

Sun 10/26

6:15 am-8:33 am

Nonstop2h 18m

$115

HoustonSt. Louis

IAH - STL

IAHSTL

Houston George Bush Intcntl

Thu 11/6

4:45 pm-6:47 pm

Nonstop2h 02m

Lambert-St Louis

Sat 11/8

8:20 am-10:40 am

Nonstop2h 20m

$115

HoustonKansas City

IAH - MCI

IAHMCI

Houston George Bush Intcntl

Fri 10/24

11:36 am-7:53 pm

1 stop8h 17m

Kansas City

Sun 10/26

11:37 am-10:03 pm

1 stop10h 26m

$180

HoustonKansas City

IAH - MCI

IAHMCI

Houston George Bush Intcntl

Mon 9/29

6:15 am-1:48 pm

1 stop7h 33m

Kansas City

Mon 10/6

3:01 pm-11:39 pm

1 stop8h 38m

$180

HoustonSt. Louis

IAH - STL

IAHSTL

Houston George Bush Intcntl

Fri 11/7

4:45 pm-6:47 pm

Nonstop2h 02m

Lambert-St Louis

Thu 11/13

6:15 am-8:34 am

Nonstop2h 19m

$185

HoustonSt. Louis

IAH - STL

IAHSTL

Houston George Bush Intcntl

Thu 11/6

4:45 pm-6:47 pm

Nonstop2h 02m

Lambert-St Louis

Thu 11/13

6:15 am-8:34 am

Nonstop2h 19m

$185

HoustonSt. Louis

IAH - STL

IAHSTL

Houston George Bush Intcntl

Tue 11/4

4:45 pm-6:47 pm

Nonstop2h 02m

Lambert-St Louis

Sun 11/16

6:15 am-8:34 am

Nonstop2h 19m

$185

HoustonSt. Louis

IAH - STL

IAHSTL

Houston George Bush Intcntl

Fri 11/7

4:45 pm-6:47 pm

Nonstop2h 02m

Lambert-St Louis

Mon 11/17

4:35 pm-7:05 pm

Nonstop2h 30m

$185

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 60 results
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Best time to book a flight from George Bush Intcntl to Missouri

Have a flexible travel schedule? Discover the best time to fly to Missouri 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.

Cheapflights Insights

Everything you need to know about your flight from Houston George Bush Intcntl Airport to Missouri

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

Currently, August is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Missouri (average of $311). Flying from Houston George Bush Intcntl Airport to Missouri 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 MO?

Find hourly flight availability from George Bush Intcntl to Missouri. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

When flying from Houston George Bush Intcntl Airport to Missouri, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Houston George Bush Intcntl Airport to Missouri

Explore weekly flight availability from George Bush Intcntl to Missouri. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 15, 2025.

The most flights from IAH to USMO are scheduled on a Monday (16 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (11 on average).

Reviews of airlines servicing Missouri

Get insights into the airlines that provide service to Missouri. 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 Missouri. Reviews last updated September 15, 2025.
Peruse reviews from past customers who have flown with United Airlines, American Airlines, and Frontier from Houston George Bush Intcntl Airport to Missouri to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,931 reviews

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.6

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,931 reviews
United Airlines
7.4
Good
8,931 reviews

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.6

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,931 reviews

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.6

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
Frontier
5.8
Fair
3,173 reviews
United Airlines
7.4
Good
8,931 reviews

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.6

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from George Bush Intcntl to Missouri. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Houston George Bush Intcntl Airport to Missouri?

    A quick flight from Houston George Bush Intcntl Airport to Missouri can take about 2h 03m. United Airlines provides one of the quickest options available for as low as $115. The distance between Houston George Bush Intcntl Airport and Missouri is about 668 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Houston George Bush Intcntl Airport to Missouri?

    When deciding which route to take from Houston George Bush Intcntl Airport to Missouri consider Houston George Bush Intcntl - Lambert-St Louis, Houston George Bush Intcntl - Kansas City or Houston George Bush Intcntl - Springfield-Branson as they are the most popular.

  • What are the most reliable airlines from Houston George Bush Intcntl Airport to Missouri?

    The top 3 most reliable airlines when flying from Houston George Bush Intcntl Airport to Missouri are CommutAir (100%), Air New Zealand (79%) and Mesa Airlines (76%).

  • What are the cheapest flights from Houston George Bush Intcntl Airport to Missouri?

    The cheapest flight price from Houston George Bush Intcntl Airport to Missouri is $180. On average you can expect to pay $362. The most popular route, (Houston George Bush Intcntl - Lambert-St Louis), can usually be booked for $115.

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

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

  • How can I find direct flights from George Bush Intcntl to Missouri?

    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 Missouri.

  • Can I find deals for business class flights from George Bush Intcntl to Missouri?

    Yes. Cheapflights offers flight deals from George Bush Intcntl to Missouri 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 Missouri?

    Currently, August is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Missouri (average of $311). Flying from Houston George Bush Intcntl Airport to Missouri 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.

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Alternative routes for George Bush Intcntl to Missouri

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from George Bush Intcntl to Missouri

Discover the top 3 airlines that operate flights from George Bush Intcntl to Missouri. 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$106Average$212FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$180Average$340FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$197Average$390FlexibilityNo cancel feeOn-time69%

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