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Home / Houston — Ontario

Cheap flights Houston — Ontario

from $91 2 150 km ~3h 2m 8 flights found 3 airlines cheapest on Saturday
How many travellers?
Adults
12+ years
1
Children
2–11 years
0
Infants
under 2
0
Choose your departure date
Cheapest: $91 on 05.12.2026
Prices shown are from searches by other travellers over the last 24 hours. Missing a date? Click any day — we'll find tickets anyway.
November 2026
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December 2026
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January 2027
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Prices found for 3 of 90 days. Prices update as more travellers search. Click any date to search live.
Depart
—
Return
—
Cheapest flights found
05 Dec 2026, Sat
Frontier Airlines F9 3229
15:00
IAH George Bush Intercontinental Airport
20:01
ONT Ontario International Airport
5h 1m 1 stop
View this ticket
05 Dec 2026, Sat
Southwest Airlines WN 2478
17:45
HOU William P. Hobby Airport
21:15
ONT Ontario International Airport
3h 30m Direct
View this ticket
22 Nov 2026, Sun
Frontier Airlines F9 1965
06:44
IAH George Bush Intercontinental Airport
11:12
ONT Ontario International Airport
4h 28m 1 stop
View this ticket
02 Jan 2027, Sat
Frontier Airlines F9 3229
15:26
IAH George Bush Intercontinental Airport
20:30
ONT Ontario International Airport
5h 4m 1 stop
View this ticket
Route characteristics
Distance
2 150 km
Flight time
3h 2m
Time difference
-2h
Minimum price
from $91 (05.12.2026)
Average price
$134
Maximum price
$170
Departures per week
1
Cheapest day
Saturday
Departure airports (2)
HOU William P. Hobby Airport IAH George Bush Intercontinental Airport
Arrival airports (1)
ONT Ontario International Airport
Airlines (3)
F9 Frontier Airlines WN Southwest Airlines UA United Airlines
Agencies (4)
Flightnetwork Trip.com Farera Kiwi.com
Prices by day of week
Price trend by month
Airlines — cheapest prices 3
Frontier Airlines
Frontier Airlines
Low-cost 5 flights · 5 days
$91
Southwest Airlines
Southwest Airlines
Low-cost 2 flights · 2 days
$101
United Airlines
United Airlines
1 flights · 1 days
$408
Where to buy tickets 4
Flightnetwork
1 tickets · 1 days
from $91
Trip.com
1 tickets · 1 days
from $101
Farera
5 tickets · 4 days
from $141
Kiwi.com
1 tickets · 1 days
from $155
Airports

From — Houston (2)

  • HOU William P. Hobby Airport
  • IAH George Bush Intercontinental Airport

To — Ontario (1)

  • ONT Ontario International Airport
Other destinations from Houston
Frequently asked questions about the route Houston — Ontario
How long is the flight from Houston to Ontario?
Approximate flight time — 3h 2m. This is an average for a direct flight. With connections, the time may be longer.
What is the distance from Houston to Ontario?
The straight-line distance — 2 150 km.
How much do flights from Houston to Ontario cost?
The minimum price over 3 months — from $91 on 05.12.2026.
What is the average ticket price?
The average price — $134. Range: $91 — $170.
What is the time difference between Houston and Ontario?
The difference — -2h.
From which airports does Houston operate flights?
From Houston: HOU (William P. Hobby Airport), IAH (George Bush Intercontinental Airport).
To which airports in Ontario do flights arrive?
To Ontario: ONT (Ontario International Airport).
Which airlines fly this route?
This route is served by 3 airlines: Frontier Airlines, Southwest Airlines, United Airlines.
Are there direct flights?
Yes, there are direct flights. Minimum direct price — from $101. Total direct flights found: 1.
Which day of the week is cheapest?
The cheapest day of the week — Saturday.
When is the best time to buy tickets?
Optimal — 1–3 months before departure. Check the calendar above — it shows the best dates.
How do I book flights?
Click "View this ticket" on any flight card — you'll be redirected to the booking page with this specific ticket pre-selected.
About the route Houston — Ontario

Flights Houston — Ontario is a popular route. The straight-line distance is 2 150 km. Flight time 3h 2m. Time difference -2h.

From Houston (HOU) flights depart from 2 airports: HOU, IAH. To Ontario (ONT) — 1 arrival airport: ONT.

3 airlines operate on this route: Frontier Airlines, Southwest Airlines, United Airlines.

The minimum price for the next 3 months — from $91 (05.12.2026). The cheapest dates are highlighted in the calendar above.

The average ticket price — $134, ranging from $91 to $170. Book 1–3 months in advance to get the best deals.

Cheapest day to fly — Saturday.

Other destinations in United States from Houston