Direct (non-stop) flights from Houston (IAH) to Ontario (ONT)
Find comprehensive flight information, schedules, and booking details for direct flights from Houston (IAH) to Ontario (ONT). This popular route is operated by 2 airlines, offering multiple daily departures.• Flight Duration: 3h 21m - 3h 53m (average flight time)• Distance: 1339 miles (2154 km) (air miles between airports)• Daily Flights: 1-2 flights (scheduled departures per day)
Houston (IAH)
Ontario (ONT)
FLIGHT TIME
3h 21m - 3h 53m
FLIGHT DISTANCE
1339 miles (2154 km)
3h 32m - 3h 39m
14:42
20:15
1339 miles (2154 km)
March
2 (Show)
12
Flight Schedule
December 2025
Airlines with direct flights from Houston (IAH) to Ontario (ONT)
Route Insights
Duration variability: Flight duration on this route can vary based on aircraft type, wind conditions, and airline scheduling. Average duration is 3h 21m - 3h 53m.
Pricing patterns: March typically offers lower prices due to reduced demand outside peak travel seasons.
Best departure times: Peak departure times are 14:00, 20:00, offering more flight options and potentially better connections.
Houston (IAH) - Ontario (ONT) flight price statistics
$378
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.
$380
Jan$325
Feb$163
Mar$438
Apr$572
May$423
Jun$368
Jul$338
Aug$308
Sep$383
Oct$308
Nov$525
DecRelated Information
Airports: IAH • ONT Airport
Airlines operating this route: Frontier Airlines (F9), United Airlines
Frequently Asked Questions
How many flights operate from IAH to ONT?
There are 2 direct flights operating from IAH to ONT. Approximately 1-2 flights daily.
Which airlines operate flights from IAH to ONT?
2 airlines operate on this route: Frontier Airlines, United Airlines.
How long is the flight from IAH to ONT?
The flight duration from IAH to ONT is approximately 3h 21m - 3h 53m.
What is the distance from IAH to ONT?
The distance from IAH to ONT is 1339 miles (2154 km).
What is the flight time range for this route?
Flight times on this route range from 3h 32m - 3h 39m.
What are the earliest and latest flight departure times?
The earliest flight departs at 14:42 and the latest flight departs at 20:15.
What is the cheapest month to fly from IAH to ONT?
March is typically the cheapest month to fly on this route.
How many flights operate per week on this route?
Approximately 12 flights operate per week from IAH to ONT.
What types of aircraft operate on this route?
This route is served by Airbus A320neo, Boeing 737-900 Passenger.
What is the average flight price from IAH to ONT?
The average flight price for a round-trip ticket from IAH to ONT is approximately $378 USD. Prices can vary based on booking time, season, and airline.
When is the best time to book flights from IAH to ONT for the lowest prices?
March is typically the cheapest month to fly from IAH to ONT. Booking in advance and avoiding peak travel seasons can help you find better deals.
How many airlines offer flights from IAH to ONT?
2 airlines offer direct flights from IAH to ONT, providing travelers with multiple options for scheduling and pricing.
How far is ONT from IAH?
The distance from IAH to ONT is 1339 miles (2154 km). This is a long-haul flight route.
How long does it take to fly from IAH to ONT?
The flight time from IAH to ONT is approximately 3h 21m - 3h 53m. Actual flight duration may vary based on weather conditions, aircraft type, and routing.