$61 Cheap Flights from Houston (IAH) to St. Louis (STL)

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Flight deals we found

These prices are lower than our typical predictions for similar flights.
35% less than typical
$295
Roundtrip per traveler
Wed, Oct 2 - Thu, Oct 3
UnitedUnited
2h 9m
7:45am
9:54am
IAH
Nonstop
STL
Found 19 hours ago
35% less than typical
$297
Roundtrip per traveler
Wed, Oct 2 - Thu, Oct 3
UnitedUnited
2h 2m
2:20pm
4:22pm
IAH
Nonstop
STL
Found 19 hours ago
35% less than typical
$297
Roundtrip per traveler
Wed, Jul 3 - Sun, Jul 7
UnitedUnited
2h 4m
2:24pm
4:28pm
IAH
Nonstop
STL
Found 5 hours ago
35% less than typical
$295
Roundtrip per traveler
Tue, Oct 1 - Thu, Oct 3
UnitedUnited
2h 11m
6:35pm
8:46pm
IAH
Nonstop
STL
Found 19 hours ago
35% less than typical
$297
Roundtrip per traveler
Sat, Jun 29 - Sun, Jun 30
UnitedUnited
2h 4m
2:24pm
4:28pm
IAH
Nonstop
STL
Found 7 hours ago
30% less than typical
$299
Roundtrip per traveler
Mon, Jun 17 - Tue, Jun 18
UnitedUnited
2h 4m
8:11pm
10:15pm
IAH
Nonstop
STL
Found 6 hours ago
50% less than typical
$276
Roundtrip per traveler
Fri, Jul 5 - Sun, Jul 7
American AirlinesAmerican Airlines
8h 3m
1:51pm
9:54pm
IAH
1 stop • 4h 3m in ORD
STL
Found 15 hours ago
50% less than typical
$268
Roundtrip per traveler
Wed, Oct 2 - Thu, Oct 3
American AirlinesAmerican Airlines
5h 9m
6:11pm
11:20pm
IAH
1 stop • 30m in CLT
STL
Found 19 hours ago
45% less than typical
$268
Roundtrip per traveler
Tue, Oct 1 - Thu, Oct 3
American AirlinesAmerican Airlines
5h 9m
6:11pm
11:20pm
IAH
1 stop • 30m in CLT
STL
Found 19 hours ago

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Cheap Flights from Houston to St. Louis (IAH-STL)

Prices were available within the past 7 days and start at $61 for one-way flights and $110 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Flights from Houston (IAH) to St. Louis (STL)
Origin airport
George Bush Intercontinental
Destination airport
Lambert-St. Louis Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Spirit Airlines, United
Roundtrip price
$110
Distance
667 mi
Average flight time
2 hours 6 mins

Houston to St. Louis Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from Houston to St. Louis offer the perfect respite. Not only does exploring St. Louis provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you won’t bust your budget. So no matter whether your ideal itinerary involves flying one way, non-stop, or round trip, you’re bound to find flights that match your schedule on Expedia, and at prices that won’t shock your wallet.

Bagging a cheap flight from Houston to St. Louis may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair-raising airport thriller, dreaming on the passing landscape over a glass of bubbly, or jotting down your vacation bucket list at 38,000 feet. There’s also bound to be plenty of opportunities to snap a few photos of the high life that will make your friends green with envy. After all, enjoying the journey is part of the fun.

With so many affordable flights and so many wonderful adventures awaiting you, there’s no reason to put off booking a fantastic flight from IAH to STL today. So don’t leave it to the last minute to make your dream trip a reality: pack your bags with your go-to travel accessories, put together your list of must-see attractions and can’t-miss activities, and get ready to broaden your horizons – with Expedia, the wonders of St. Louis are only a plane trip away. Book your travel arrangements with us today!

If you would like to book flights to St. Louis more flexibly many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to St. Louis is $61 now!

Frequently asked questions

How much is a flight from George Bush Intercontinental Airport (IAH) to Lambert Field?
If you’re planning on traveling from IAH to Lambert Field, round-trip journeys start from $110. This price is based on airfares advertised within the last 7 days on Expedia for flights departing within the next year, so don’t delay. Book today and save yourself money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from George Bush Intercontinental Airport (IAH) to STL?
The majority of flights can be canceled online, but whether you are charged a fee varies between airlines. If you do need to cancel your escape, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from Houston Airport to Lambert-St. Louis Intl. Airport (STL) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for Houston Airport to St. Louis Lambert International Airport flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Houston Airport to Lambert-St. Louis Intl. Airport (STL)?
A flight distance of just 684 mi separates Houston and St. Louis. Once you’re up in the skies, you won’t have time to do much more than read the in-flight magazine.
Which airlines fly direct from Houston Airport to St. Louis Lambert International Airport?
United Airlines (UA) will fly you from Houston Airport to STL safely and reliably. Take your pick of 91 direct flights each month on this route.
Are Houston Airport to STL flight tickets cheaper when they're purchased at the last minute?
It is possible to get great last-minute deals from Houston Airport to STL, but there’s no guarantee. As many airlines advertise prices up to a year in advance, it’s worthwhile keeping an eye on fares early and being ready to pounce when you spot a bargain. Expedia compares carrier prices and updates flight deals frequently, so you can be certain you’re always getting the latest offers.
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