$54 Cheap flights from George Bush Intercontinental to Lambert-St. Louis Intl. (IAH to STL)

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Find The Best Dates To Fly from George Bush Intercontinental to Lambert-St. Louis Intl.

Amazing IAH to STL Flight Deals

The cheapest flights to Lambert-St. Louis Intl. found within the past 7 days were $100 round trip and $54 one way. Prices and availability subject to change. Additional terms may apply.

Wed, May 8 - Tue, May 14
IAH
Houston
STL
St. Louis
$100 Roundtrip, found 1 hour ago
$100
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Wed, May 8 from Houston to St. Louis, returning Tue, May 14, priced at $100 found 1 hour ago
Wed, May 8 - Sat, May 11
IAH
Houston
STL
St. Louis
$102 Roundtrip, found 1 hour ago
$102
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Wed, May 8 from Houston to St. Louis, returning Sat, May 11, priced at $102 found 1 hour ago
Wed, May 8 - Wed, May 8
IAH
Houston
STL
St. Louis
$106 Roundtrip, found 4 days ago
$106
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Wed, May 8 from Houston to St. Louis, returning Wed, May 8, priced at $106 found 4 days ago
Thu, May 16 - Tue, May 21
IAH
Houston
STL
St. Louis
$108 Roundtrip, found 1 hour ago
$108
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Thu, May 16 from Houston to St. Louis, returning Tue, May 21, priced at $108 found 1 hour ago
Mon, May 6 - Sat, May 11
IAH
Houston
STL
St. Louis
$113 Roundtrip, found 7 hours ago
$113
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Mon, May 6 from Houston to St. Louis, returning Sat, May 11, priced at $113 found 7 hours ago
Wed, May 8 - Fri, May 10
IAH
Houston
STL
St. Louis
$118 Roundtrip, found 1 hour ago
$118
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Wed, May 8 from Houston to St. Louis, returning Fri, May 10, priced at $118 found 1 hour ago
Thu, May 23 - Sat, May 25
IAH
Houston
STL
St. Louis
$119 Roundtrip, found 9 hours ago
$119
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Thu, May 23 from Houston to St. Louis, returning Sat, May 25, priced at $119 found 9 hours ago
Mon, May 13 - Thu, May 16
IAH
Houston
STL
St. Louis
$125 Roundtrip, found 6 days ago
$125
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Mon, May 13 from Houston to St. Louis, returning Thu, May 16, priced at $125 found 6 days ago
Sat, May 4 - Tue, May 14
IAH
Houston
STL
St. Louis
$128 Roundtrip, found 1 hour ago
$128
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sat, May 4 from Houston to St. Louis, returning Tue, May 14, priced at $128 found 1 hour ago
Sat, Apr 27 - Fri, May 3
IAH
Houston
STL
St. Louis
$129 Roundtrip, found 3 days ago
$129
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sat, Apr 27 from Houston to St. Louis, returning Fri, May 3, priced at $129 found 3 days ago

Flight Schedule for IAH to STL

CarrierFlightDepart IAHArrive STLWed
4/24		Thu
4/25		Fri
4/26		Sat
4/27		Sun
4/28		Mon
4/29		Tue
4/30		Stops
UA605007:50 am09:58 amCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
0 Stops
UA236802:20 pm04:23 pmCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
0 Stops
UA264808:10 pm10:14 pmCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
0 Stops

Frequently asked questions

Can I catch a flight from Houston Airport to St. Louis Lambert International Airport right now?
Make sure you visit our Covid-19 Travel Advisor to see if there are any current quarantine requirements or travel advice reports in effect in St. Louis Lambert International Airport when flying from IAH.
Are there direct flights from George Bush Intercontinental Airport (IAH) to Lambert-St. Louis Intl. Airport (STL)?
Wander wisely and book a direct flight from Houston Airport to Lambert Field with United Airlines. This carrier is just the ticket if you’d prefer to get to St. Louis in the shortest possible time.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Lambert Field, please visit our Customer Service Portal.
How long is the flight from IAH to Lambert-St. Louis Intl. Airport (STL)?
You’ll have just enough time to get through a chapter or two in that gripping novel as the flight from George Bush Intercontinental Airport (IAH) to Lambert Field is only 2 hours and 4 minutes. You might just find yourself left on a cliffhanger!
What is the flight distance from George Bush Intercontinental Airport (IAH) to Lambert-St. Louis Intl. Airport (STL)?
There’s a flight distance of 670 mi between IAH and Lambert-St. Louis Intl. Airport (STL). Make the most of your short plane ride to jot down all the popular places you want to visit and how you’re going to get there. A comprehensive itinerary is key to having a worry-free vacation.
What airlines fly from Houston Airport to Lambert-St. Louis Intl. Airport (STL)?
Wanting to fly nonstop from Houston to St. Louis? United Airlines offers as many as 117 flights per month and is a popular option with many well-traveled wanderers.
What airlines have practices regarding COVID-19 in place and use social distancing?
From the moment you enter the departure terminal to when you leave the arrivals terminal, if you’re flying with Southwest Airlines, American Airlines or Delta you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

 

Traveling From
George Bush Intercontinental
Traveling To
Lambert-St. Louis Intl.
Shortest Flight Time
2 hours 3 mins
Earliest Departure Time
7:50AM CDT
Latest Departure Time
8:10PM CDT
Lowest Flight Price
$100

Route Info

Flight path for flights from George Bush Intercontinental Airport to Lambert-St. Louis International Airport


Origin:
IAH - George Bush Intercontinental Airport
Destination:
STL - Lambert-St. Louis International Airport
Distance:
671.00 miles


Airlines & Aircraft Used on IAH to STL Flight Routes


Airline Carrier
Aircraft
American Airlines
De Havilland Canada DHC-8-300 Dash 8 / 8Q
United Airlines
Boeing 737-800 (winglets) pax

Discover our best flights from Houston IAH to St. Louis STL. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

 

Find our best return flights from Houston IAH to St. Louis STL at the right price  

Airfares to St. Louis STL from Houston IAH currently cost between $100 and $129. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way flights from Houston IAH to St. Louis STL 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from Houston IAH to St. Louis STL on Travelocity starting at $54. Prices and availability subject to change. Additional terms may apply. 

 

Get to St. Louis STL from Houston IAH quicker with direct flights. 

Get to St. Louis faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to STL from IAH to take around 2 hour(s) 3 min(s).  

 

Find our cheapest airfares for flights from Houston IAH to St. Louis STL

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to STL from IAH. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

 

Get our best airfare deals for your flight from Houston IAH to St. Louis STL today 

If you’re flexible about when you travel, May is usually the cheapest month to fly from Houston IAH to St. Louis STL. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

 

Book flexible airline tickets for flights to St. Louis STL from Houston IAH 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to STL from IAH have this option.  

 

Travel with confidence when you book flights to St. Louis STL from Houston IAH with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.