Frontier's UpFront Plus offers a guaranteed empty middle seat for extra comfort.
Early check-in can help secure your place onboard due to frequent overbooking.

Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $110 (Kiwi.com) |
One-way from | $66 (Frontier) |
Popular in | February |
Cheapest in | March |
Average price | $207 |
Good round-trip deal | $229 or less |
Good one-way deal | $133 or less |
Fly from
Fly to
Route
Depart
Return
Price
OntarioHouston
ONT - IAH
ONTIAH
Ontario
Sat 12/6
4:49 pm-8:51 am
2 stops14h 02m
Houston George Bush Intcntl
Mon 12/8
7:15 pm-11:58 pm
1 stop6h 43m
OntarioHouston
ONT - IAH
ONTIAH
Ontario
Mon 11/10
10:25 pm-8:43 am
1 stop8h 18m
Houston George Bush Intcntl
Mon 11/17
7:15 pm-11:52 pm
1 stop6h 37m
OntarioHouston
ONT - IAH
ONTIAH
Ontario
Fri 11/14
1:20 pm-9:38 pm
1 stop6h 18m
Houston George Bush Intcntl
Mon 11/17
7:15 pm-11:52 pm
1 stop6h 37m
OntarioHouston
ONT - IAH
ONTIAH
Ontario
Fri 12/12
6:00 am-11:06 am
Nonstop3h 06m
Houston George Bush Intcntl
Thu 12/25
8:10 pm-9:52 pm
Nonstop3h 42m
OntarioHouston
ONT - IAH
ONTIAH
Ontario
Fri 12/12
10:25 pm-10:53 am
1 stop10h 28m
Houston George Bush Intcntl
Sun 12/21
7:40 pm-11:54 pm
1 stop6h 14m
OntarioHouston
ONT - IAH
ONTIAH
Ontario
Wed 12/10
6:00 am-11:06 am
Nonstop3h 06m
Houston George Bush Intcntl
Wed 12/17
8:18 pm-9:49 pm
Nonstop3h 31m
OntarioHouston
ONT - IAH
ONTIAH
Ontario
Wed 12/10
7:10 am-4:55 pm
1 stop7h 45m
Houston George Bush Intcntl
Wed 12/24
5:57 pm-11:59 pm
1 stop8h 02m
OntarioHouston
ONT - IAH
ONTIAH
Ontario
Tue 12/9
12:13 pm-11:59 pm
1 stop9h 46m
Houston George Bush Intcntl
Thu 12/18
5:57 pm-11:59 pm
1 stop8h 02m
OntarioHouston
ONT - IAH
ONTIAH
Ontario
Thu 12/11
7:10 am-4:55 pm
1 stop7h 45m
Houston George Bush Intcntl
Thu 12/18
5:57 pm-11:59 pm
1 stop8h 02m
OntarioHouston
ONT - IAH
ONTIAH
Ontario
Fri 1/16
3:26 pm-8:45 pm
Nonstop3h 19m
Houston George Bush Intcntl
Mon 1/19
2:47 pm-4:36 pm
Nonstop3h 49m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
The best time to book flights from Ontario to Houston George Bush Intcntl Airport is 86 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, February is the cheapest month in which you can book a flight from Ontario to Houston George Bush Intcntl Airport (average of $57). Flying from Ontario to Houston George Bush Intcntl Airport in June is currently the most expensive (average of $102). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
When flying from Ontario to Houston George Bush Intcntl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 63% versus a flight in the morning.
Travelers seeking maximum savings on their Ontario to Houston George Bush Intcntl Airport flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
About 12% of weekly flights between Ontario and Houston have experienced delays in the past year, with the average delay time being 151 minutes.
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
Saturday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.
Over the last year, Atlas Air have had the lowest number of delays on this route, with no flights being classified as delayed.
Entertainment
Food
Comfort
Boarding
Overall
Crew
Reviews
FERNANDO,Sep 2024
YYC - IAH
Entertainment
Food
Comfort
Boarding
Overall
Crew
Reviews
FERNANDO,Sep 2024
YYC - IAH
Entertainment
Food
Comfort
Boarding
Overall
Crew
Reviews
FERNANDO,Sep 2024
YYC - IAH
Entertainment
Food
Comfort
Boarding
Overall
Crew
Reviews
FERNANDO,Sep 2024
YYC - IAH
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$84 | Average$186 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$188 | Average$361 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$189 | Average$385 | FlexibilityNo cancel fee | On-time69% |