United Airlines flights from STL to IAH
Find comprehensive United Airlines flight information, schedules, and booking details for direct flights from STL to IAH. United Airlines operates 3-4 flights daily flights on this route.• Flight Duration: 2h 16m - 2h 31m (average flight time)• Distance: 671 miles (1080 km) (air miles between airports)• Daily Flights: 3-4 flights (scheduled departures per day)
STL
IAH
FLIGHT TIME
2h 16m - 2h 31m
FLIGHT DISTANCE
671 miles (1080 km)
2h 19m - 2h 30m
06:15
16:35
671 miles (1080 km)
March
1 (Show)
26
United Airlines Flight Schedule from STL to IAH
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
UA1371 |  United Airlines | 06:15 | 08:34:00 | Airbus A319 |
UA2480 | United Airlines | 08:20 | 10:40:00 | Airbus A319 |
UA6213 | United Airlines | 11:20 | 13:45:00 | Embraer 175 (Enhanced Winglets) |
UA6255 | United Airlines | 16:35 | 19:05:00 | Embraer 175 (Enhanced Winglets) |
United Airlines Monthly Flight Calendar
December 2025
Route Insights
Duration variability: Flight duration on this route can vary based on aircraft type, wind conditions, and airline scheduling. Average duration is 2h 16m - 2h 31m.
Pricing patterns: March typically offers lower prices due to reduced demand outside peak travel seasons.
Best departure times: Peak departure times are 6:00, 8:00, 11:00, offering more flight options and potentially better connections.
STL - IAH flight price statistics
$318
ApproximateThe numbers are average prices found based on user searches for direct flights between the airports. It's calculated from the cheapest prices found per month for a round-trip with 1 adult and can vary depending on the amount of data we have for this particular route.
$367
Jan$336
Feb$293
Mar$361
Apr$314
May$298
Jun$304
Jul$304
Aug$304
Sep$304
Oct$327
Nov$304
DecUnited Airlines Terminal Information
Terminal information for United Airlines on this route is currently being updated. Please check back soon or contact the airports directly for terminal details.
Frequently Asked Questions about United Airlines Flights
How many United Airlines flights operate from STL to IAH?
United Airlines operates 4 flights from STL to IAH.
What city does IAH airport serve?
IAH airport serves Houston.
How long is the United Airlines flight from STL to IAH?
The flight duration is approximately 2h 16m - 2h 31m.
What is the distance from STL to IAH?
The distance is 671 miles (1080 km).
What aircraft does United Airlines use on this route?
United Airlines uses Airbus A319, Embraer 175 (Enhanced Winglets) on this route.
What are the earliest and latest United Airlines flight departure times?
The earliest United Airlines flight departs at 06:15 and the latest departs at 16:35.
What is the cheapest month to fly United Airlines from STL to IAH?
March is typically the cheapest month to fly United Airlines on this route.
What is the average price for a United Airlines flight from STL to IAH?
The average price for a round-trip United Airlines flight on this route is approximately $318. Prices can vary based on booking time and demand.
How many United Airlines flights operate per week on this route?
United Airlines operates approximately 26 flights per week from STL to IAH.