CA $216 Cheap Flights from Houston (IAH) to St. Louis (STL)

Popular airlines from George Bush Intercontinental Airport (IAH) to Lambert-St. Louis International Airport (STL)

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Cheap flights from Houston (IAH) to St. Louis (STL)

Prices were available within the past 7 days and start at CA $216 for one-way flights and CA $432 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Delta
American Airlines
Delta
American Airlines
Delta
American Airlines
Delta
American Airlines
Alaska Airlines

Alternative airports near St. Louis

Prices were available within the past 7 days. Prices and availability are subject to change.

Frequently asked questions

How much is a flight from Houston Airport to Lambert-St. Louis Intl. Airport (STL)?
The lowest price advertised for a round-trip journey from Houston Airport to Lambert-St. Louis Intl. Airport (STL) is CA $432. But you better get a move on. This figure is based on fares available within the last 7 days on Expedia for flights departing within the next year. 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 Lambert-St. Louis Intl. Airport (STL)?
The majority of flights can be cancelled online, but each air carrier has its own terms and conditions. If you do need to cancel your flight, go to our Customer Service Portal and follow the instructions.
How do I find cheap flights from Houston Airport to Lambert Field that have flexible change policies?
Select our "No change fees" filter to find flexible travel options for your flight from IAH to Lambert Field. This allows you to secure a low rate in advance and still have the freedom to make changes without any extra fees. Fare adjustments may apply if your new flight is more expensive.
How many hours is the flight from Houston Airport to Lambert-St. Louis Intl. Airport (STL)?
With the flight time between IAH and STL just 6 hours and 46 minutes, you'll be exploring the sights of St. Louis before you know it.
How far is the flight from IAH to Lambert-St. Louis Intl. Airport (STL)?
With a flight distance of 1,100 kilometres, it's just a short hop from IAH to Lambert-St. Louis Intl. Airport (STL). It might be a quick flight, but it's still worth bringing along something to read.
Which airlines fly direct from Houston Airport to Lambert-St. Louis Intl. Airport (STL)?
If you're eager to fly directly from Houston Airport to Lambert Field, United Airlines (UA) is a popular option. It operates 86 flights every month between Houston and St. Louis.
Are George Bush Intercontinental Airport (IAH) to STL flight tickets cheaper when they're purchased at the last minute?
Flight prices are always on the move, so not always. While last-minute deals between Houston Airport and STL are possible, it's also a good idea to keep a close eye on prices well before you fly. In fact, some carriers advertise their prices up to a year before the departure date. Expedia is constantly updating the best bargains around, so check back often and be ready to pounce when the price is right.

Travel information

Origin airport
George Bush Intercontinental
Destination airport
Lambert-St. Louis Intl.
Airlines serving
American Airlines, Delta
Roundtrip price
CA $432
Distance
1068 km
Average flight time
2 hours 7 mins

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