Compare fares, departure times, stops and baggage details for this route, then open the full search when you are ready to check current availability and complete booking.
STLIAHSat, 03 Oct
Fare checked before payment No hidden charges Transparent cancellation policy 24×7 booking support
Lowest fareUS$251Delta Air Lines
Fastest2h 12mgate to gate
Options found151flights on this route
Find your flightSTL → IAH
Available Flights & Fares
Compare fares, timings and baggage. Pick the flight that suits your trip.
Prices in USD
151 flight options
Fares are checked again before payment.
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Americas Best Value Inn & Suites Baytown at Garth Road
7420 Garth Rd, 77521
Room availability is checked live
$41per night+ taxes if applicable
1 Night • 2 Star
3.0Very GoodLive availability
Clarion Inn I-10 East at Beltway
15157 IH 10 East, 77530
Room availability is checked live
$50per night+ taxes if applicable
1 Night • 3 Star
3.0Very GoodLive availability
Hilton Garden Inn Houston Cypress Station
NEQ of Westfield Place & Wagon Point Dri, 77090
Room availability is checked live
$53per night+ taxes if applicable
1 Night • 3 Star
2.0Very GoodLive availability
Atelier Boutique Hotel IAH by Magnuson Worldwide
7114 Will Clayton Pkwy, 77338
Room availability is checked live
$57per night+ taxes if applicable
1 Night • 2 Star
AA
American Airlines
AA-3096
13:54
2026-10-03
St Louis (STL)Lambert-St Louis Intl
5H :30 M
1 Stop
CLT
· 0h 51m Charlotte (CLT), United States
19:24
2026-10-03
Houston (IAH)George Bush Intercontinental
Non Refundable 7 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces
Type
Non Refundable
Fare Type
Publish
0 Pieces 2 Pieces
$281
Flight DetailsSTL to IAH - 5H :30 M
Baggage InfoCheck-in 0 Pieces - Cabin 2 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
Type
Refundable
Fare Type
AirLine Private
0 Pieces 2 Pieces
$346
Flight DetailsSTL to IAH - 5H :30 M
Baggage InfoCheck-in 0 Pieces - Cabin 2 Pieces
Fare RulesRefundable fare. Final rules are verified before booking.
AA
American Airlines
AA-3096
13:54
2026-10-03
St Louis (STL)Lambert-St Louis Intl
8H :26 M
1 Stop
CLT
· 3h 51m Charlotte (CLT), United States
22:20
2026-10-03
Houston (IAH)George Bush Intercontinental
Non Refundable 7 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces
Type
Non Refundable
Fare Type
Publish
0 Pieces 2 Pieces
$281
Flight DetailsSTL to IAH - 8H :26 M
Baggage InfoCheck-in 0 Pieces - Cabin 2 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
Type
Refundable
Fare Type
AirLine Private
0 Pieces 2 Pieces
$346
Flight DetailsSTL to IAH - 8H :26 M
Baggage InfoCheck-in 0 Pieces - Cabin 2 Pieces
Fare RulesRefundable fare. Final rules are verified before booking.
AA
American Airlines
AA-1363
15:34
2026-10-03
St Louis (STL)Lambert-St Louis Intl
4H :59 M
1 Stop
DFW
· 1h 51m Dallas (DFW), United States
20:33
2026-10-03
Houston (IAH)George Bush Intercontinental
Non Refundable 7 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces
Type
Non Refundable
Fare Type
Publish
0 Pieces 2 Pieces
$281
Flight DetailsSTL to IAH - 4H :59 M
Baggage InfoCheck-in 0 Pieces - Cabin 2 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
Type
Refundable
Fare Type
AirLine Private
0 Pieces 2 Pieces
$346
Flight DetailsSTL to IAH - 4H :59 M
Baggage InfoCheck-in 0 Pieces - Cabin 2 Pieces
Fare RulesRefundable fare. Final rules are verified before booking.
AA
American Airlines
AA-3739
17:00
2026-10-03
St Louis (STL)Lambert-St Louis Intl
5H :57 M
1 Stop
DFW
· 2h 41m Dallas (DFW), United States
22:57
2026-10-03
Houston (IAH)George Bush Intercontinental
Non Refundable 7 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces
Type
Non Refundable
Fare Type
Publish
0 Pieces 2 Pieces
$281
Flight DetailsSTL to IAH - 5H :57 M
Baggage InfoCheck-in 0 Pieces - Cabin 2 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
Type
Refundable
Fare Type
AirLine Private
0 Pieces 2 Pieces
$346
Flight DetailsSTL to IAH - 5H :57 M
Baggage InfoCheck-in 0 Pieces - Cabin 2 Pieces
Fare RulesRefundable fare. Final rules are verified before booking.
Up to 120 of 151 options on this route. Open the full search to see them all with every filter.
No flights match the selected filters. Clear filters or open full search.
Today's Airfare Highlights
Selected flight highlights for 03 Oct 2026.
Lowest fare$251Delta Air Lines06:00
Earliest departure$527American Airlines05:00
Shortest duration$281United Airlines06:15
Night
00:00-05:59
$281American Airlines at 05:43Morning
06:00-11:59
$251Delta Air Lines at 06:00Afternoon
12:00-17:59
$251Delta Air Lines at 13:40Evening
18:00-23:59
$291United Airlines at 19:01
Departure & Arrival Airport Details
St Louis (STL)
Lambert-St Louis Intl
United States
GMT -6
Latitude: 38.748697
Longitude: -90.370003
Houston (IAH)
George Bush Intercontinental
United States
GMT -6
Latitude: 29.984399795532227
Longitude: -95.34140014648438
Distance: St Louis (STL), United States to Houston (IAH), United States - 1,075.61 km
Flights shown for 03 Oct 2026. View all flights opens the complete search result.
Fares and hotel rates usually run higher around these dates. Booking earlier — or shifting a day or two — often costs less.
Busiest periods: Summer travel (15 Jun – 31 Aug), Holiday season (18 Dec – 02 Jan).
12OctColumbus DayMonday · in 29 daysPeak
12OctColumbus DayMonday · in 29 daysPeak
12OctIndigenous Peoples' DayMonday · in 29 daysPeak
11NovVeterans DayWednesday · in 59 days
26NovThanksgiving DayThursday · in 74 days
25DecChristmas DayFriday · in 103 days
Fixed-date national holidays. Festivals that follow the lunar calendar shift each year and are not listed here — check the exact date for your travel year.
Compare your journey
How to travel St Louis to Houston
Every option we can actually book for you, compared on price and journey time.
Connecting flight₹23,983Longer — includes a stop148 options
Air distance is about 1,076 km. 3 airlines operate this route.
Road distance and coach duration are approximate estimates from the air distance, not a timetable.
Airlines flying from St Louis to Houston
Compare fares, stops, baggage and refundability across the airlines flying this route.
UN
United Airlines Flights
from $28166 flights
Fares from
$281
Non-stop
3 in these results
Departures
66 — compare timings in the list above
AM
American Airlines Flights
from $28150 flights
Fares from
$281
Non-stop
None in these results
Departures
50 — compare timings in the list above
DE
Delta Air Lines Flights
from $25135 flights
Fares from
$251
Non-stop
None in these results
Departures
35 — compare timings in the list above
Route Overview & Flight Facts
Fastest flight duration
2h 12m · United Airlines
First departure of the day
05:00 · American Airlines
Last departure of the day
19:01 · United Airlines
Options in this snapshot
151
Direct / non-stop options
3
Airport codes
St Louis–STL, Houston–IAH
Fares and timings are indicative — the exact price is confirmed with the airline when you search.
Flight Schedule, Timings & Airfare Insights
Daily Flight Schedule & Travel Duration
Around 151 flights appear in the dated route snapshot, including 3 non-stop options. Departures run through the day — the first flight leaves around 05:00 and the last around 19:01. The fastest flight takes about 2h 12m.
Morning vs Evening Departure Fares
Lowest fare by departure window: Morning from $251, Afternoon from $251, Night from $281, Evening from $291. These observations do not predict the cheapest departure window on other dates.
Cheapest Airfare & Best Time to Book
Search your travel dates to compare current fares — prices update continuously with airline inventory.
One-Way vs Round-Trip Fare Comparison
Compare the complete cost and conditions of both options for your dates. A round-trip can have different fare and change rules from two one-way tickets. One booking may contain multiple airline PNRs; confirm baggage transfer and connection protection for separate tickets.
Online Web Check-In & Boarding Pass
Check the operating airline’s opening time and check-in deadline for each sector. Seat charges and availability depend on your fare. Use the airline reference and the links on Web Check-in.
How to Book Cheap Flights on FlyX
1
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2
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Sort or filter the St Louis–Houston results by price, departure time, stops and airline.
3
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4
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5
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Why Book Your Flight with FlyX?
Compare the available St Louis to Houston options by total price, stops, baggage and fare conditions. Search your dates for current availability, then review traveller details and the final price before paying.
Payment confirmation and ticket issuance are separate steps. If your booking is awaiting a PNR or ticket, follow its status and contact FlyX support when you need help. Your issued ticket contains the airline reference and itinerary. Change and cancellation charges depend on the purchased fare and any separately disclosed service fee.
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Frequently Asked Questions
Is it worth booking St Louis to Houston flights in advance?
There is no guaranteed cheapest booking window. Compare your planned dates early, check nearby dates and consider baggage, connection time and change conditions as well as price. Across the dates currently loaded for St Louis to Houston, Saturday shows the lowest fare at $251. That is an observed snapshot for these dates, not a rule that holds every week.
How far is St Louis from Houston by air?
The direct air distance between St Louis (STL) and Houston (IAH) is about 1,076 km. Actual flight time varies with the routing the airline files and with winds on the day.
Are there non-stop flights from STL to IAH?
Yes. 3 non-stop flights are showing on St Louis to Houston for the dates currently loaded. Use the Stops filter to see only those.
Which airlines fly St Louis to Houston?
United Airlines, American Airlines and Delta Air Lines are showing on this route for the dates currently loaded. Fares, baggage allowance and refund rules differ by airline and by fare type, so compare the fare conditions and not only the headline price.
How long is the flight from St Louis to Houston?
The quickest non-stop St Louis to Houston flight currently loaded takes about 2h 12m. Across the non-stop options showing, block time ranges from 2h 12m to 2h 17m. Journeys with a stop take longer, since the total includes the layover.
What is the cheapest St Louis to Houston flight fare?
The lowest fare showing on St Louis to Houston for the dates currently loaded is $251. Fares on the same dates run up to $527, depending on airline, timing and fare type. Airline pricing moves continuously, so treat this as a dated observation rather than a fixed price.
What time do St Louis to Houston flights depart?
For the dates currently loaded the first departure is around 05:00 and the last is around 19:01, local time at St Louis. Use the departure-time filter on the results above to narrow to a morning, afternoon or evening slot.
Why does the price change after clicking Book Now?
Airline seat inventory and fares change continuously. Selecting Book Now runs a live fare verification with the airline so the price you approve is the price you pay - if it has moved, you see the new figure before any payment.
Before you book this route
Check the airport codes STL–IAH, local departure and arrival dates, and every connecting airport. Connections can have different document and baggage requirements from your final destination.
Where these fares come from
The fares, durations, stops and baggage shown here come from real airline search results for this route. They are examples for the dates on this page, not a full timetable and not a locked price — run a search to see what is available for your own dates.
Last checked .
Check official travel requirements
Confirm passport, visa and transit rules for your nationality and full itinerary with the relevant government and operating airline. IATA travel-document information explains why requirements vary.
Planning more than the flight? Our United States guide covers the visa process for Indian passport holders, best time to go, how long to plan for, and which places are worth the days you have. Long-haul city breaks and national parks.
The STL to IAH cards above show selected flight options. Airline prices and seat availability can move quickly, so the final fare is rechecked in the booking flow.
Approx route distance: 1,075.61 km.
Before you book
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Continue to Booking opens the verified fare choices, including baggage and refundability, before review.
Lowest St Louis to Houston airfare today, in 30 days and in 90 days
Cheapest Fare
Fare
Date
Airline
Departure
Lowest Airfare Today
$251
03/10/2026
Delta Air Lines
06:00
Cheapest Airfare Within 30 Days
$246
13/10/2026
Delta Air Lines
06:00
Cheapest Airfare Within 90 Days
$238
12/12/2026
Delta Air Lines
06:00
Book St Louis to Houston Flight Tickets on FlyX
Planning to fly from St Louis to Houston? FlyX lets you compare flight rates, airline timings, layovers, and baggage allowances all in one simple list. From quick non-stop routes to flexible connecting options, finding and booking cheap air tickets has never been easier.
St Louis to Houston Flight Distance, Duration and Time
The aerial distance between St Louis and Houston is approximately 1,076 KM. The flight duration ranges from 2H :12 M up to 27H :28 M depending on whether you book a non-stop flight or a connecting schedule with layovers.
St Louis to Houston Flight Schedule and Timing
Around 151 flights operate on this route, providing plenty of choices for your travel window. The earliest morning flight departs from St Louis at 05:00, while the last night flight leaves at 19:01. Flights depart from Lambert-St Louis Intl and land at George Bush Intercontinental.
Flight Route Details & Analysis
Flight Details
Information
Route
St Louis to Houston
Aerial Distance
1,076 KM
Flight Duration
2H :12 M - 27H :28 M
Airport Codes
St Louis - STL, Houston - IAH
Total Flights Available
151 flights (3 direct)
First Flight Departure
Departs at 05:00
Last Flight Departure
Departs at 19:01
Early Morning Flights (12 AM - 8 AM)
56 direct/indirect flights
Morning Flights (8 AM - 12 PM)
49 direct/indirect flights
Afternoon Flights (12 PM - 4 PM)
30 direct/indirect flights
Evening Flights (4 PM - 8 PM)
16 direct/indirect flights
Night Flights (8 PM - 12 AM)
0 direct/indirect flights
Airport Information & Terminals
STL: St. Louis airport. St. Louis airport transfer should be matched to the exact hotel, suburb or meeting area. Rail can work well for light luggage, but late arrivals, winter weather and family baggage often make a direct cab or booked transfer easier.
IAH: Houston airport. Houston airport transfer should be matched to the exact hotel, suburb or meeting area. Rail can work well for light luggage, but late arrivals, winter weather and family baggage often make a direct cab or booked transfer easier.
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Lambert-St Louis Intl