Cheapest one-way flight | $33 |
---|---|
Cheapest round-trip flight | $58 |
Cheapest airline | LEVEL |
Most popular destination | Las Vegas Harry Reid Intl (LAS) |
Good round-trip deal | $109 or less |
Good one-way deal | $69 or less |
Fly to
Route
Depart
Return
Price
OntarioSan Francisco
ONT - SFO
ONTSFO
Ontario
Tue 7/29
1:19 pm-2:46 pm
Nonstop1h 27m
San Francisco
Tue 8/5
4:16 pm-5:43 pm
Nonstop1h 27m
OntarioSan Francisco
ONT - SFO
ONTSFO
Ontario
Fri 8/8
9:41 pm-11:14 pm
Nonstop1h 33m
San Francisco
Mon 8/11
10:11 pm-11:40 pm
Nonstop1h 29m
OntarioLas Vegas
ONT - LAS
ONTLAS
Ontario
Tue 7/15
7:00 am-8:11 am
Nonstop1h 11m
Las Vegas Harry Reid Intl
Wed 7/16
5:18 pm-6:27 pm
Nonstop1h 09m
OntarioPortland
ONT - PDX
ONTPDX
Ontario
Mon 8/4
2:31 pm-4:49 pm
Nonstop2h 18m
Portland
Sat 8/9
12:25 pm-2:48 pm
Nonstop2h 23m
OntarioDenver
ONT - DEN
ONTDEN
Ontario
Sat 7/5
12:59 am-4:19 am
Nonstop2h 20m
Denver Intl
Sun 7/13
7:49 am-9:09 am
Nonstop2h 20m
OntarioLas Vegas
ONT - LAS
ONTLAS
Ontario
Tue 8/26
10:20 am-11:25 am
Nonstop1h 05m
Las Vegas Harry Reid Intl
Wed 8/27
1:30 pm-7:50 pm
2 stops6h 20m
OntarioSeattle
ONT - SEA
ONTSEA
Ontario
Mon 7/21
10:03 am-12:53 pm
Nonstop2h 50m
Seattle/Tacoma Intl
Wed 7/30
1:42 pm-4:36 pm
Nonstop2h 54m
OntarioDallas
ONT - DFW
ONTDFW
Ontario
Sat 8/9
7:00 am-2:18 pm
1 stop5h 18m
Dallas/Fort Worth
Mon 8/11
5:20 am-9:13 am
1 stop5h 53m
OntarioSeattle
ONT - SEA
ONTSEA
Ontario
Wed 7/23
6:00 am-8:42 am
Nonstop2h 42m
Seattle/Tacoma Intl
Wed 7/30
5:25 am-9:23 am
1 stop3h 58m
OntarioDallas
ONT - DFW
ONTDFW
Ontario
Wed 8/27
11:59 pm-5:00 am
Nonstop3h 01m
Dallas/Fort Worth
Sat 8/30
9:48 pm-10:48 pm
Nonstop3h 00m
To ensure you get the cheapest price possible for a flight from Ontario, you should look to book at least 90 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Currently, January is the cheapest month in which you can book a flight from Ontario (average of $38). Flying from Ontario in June will prove the most costly (average of $95). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.
Those who are seeking the cheapest fare on flights departing from Ontario would be wise to consider leaving during Friday mornings when prices are typically at their lowest. When considering other options, price-conscious travelers should avoid Sunday evenings when fares are usually the most expensive.
For flights departing from Ontario check dates and pricing for the following: Frontier, Alaska Airlines, Delta, Hawaiian Airlines, Southwest. These airlines depart to the following popular destinations: Seattle.
Some of the most frequent flights departing from Ontario everyday are: Seattle (152 flights per day), Dallas (134 flights per day), and Atlanta (86 flights per day).
The cheapest city to fly to from Ontario is San Francisco, with prices starting at $28. Explore other affordable destinations below.
Food
Overall
Comfort
Entertainment
Crew
Boarding
Reviews
Cheri,Jan 2025
FAT - SEA
Food
Overall
Comfort
Entertainment
Crew
Boarding
Reviews
Cheri,Jan 2025
FAT - SEA
Food
Overall
Comfort
Entertainment
Crew
Boarding
Reviews
Cheri,Jan 2025
FAT - SEA
Food
Overall
Comfort
Entertainment
Crew
Boarding
Reviews
Cheri,Jan 2025
FAT - SEA