C$ 123+ Direct flights from Ontario
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
Non-stop flights from Ontario
Cheapest flights from OntarioExplore the most affordable flight options available from Ontario. Find the lowest fares based on data from user searches, with prices last updated on 23 mayo 2025.
Explore the most affordable flight options available from Ontario. Find the lowest fares based on data from user searches, with prices last updated on 23 mayo 2025.
Find direct flights from Ontario within your budget
Use the slider to find direct flights from Ontario within your budget. Price data is based on user searches made on Cheapflights. Over the past seven days, Cheapflights users made 629,999 searches. This data was last updated on 23 mayo 2025.
Fly to
Route
Depart
Return
Price
OntarioSeattle
ONT - SEA
ONTSEA
Ontario
sáb. 23/8
3:04 p.m.-5:44 p.m.
Nonstop2h 40m
Seattle/Tacoma Intl
sáb. 23/8
9:17 p.m.-11:59 p.m.
Nonstop2h 42m
OntarioSeattle
ONT - SEA
ONTSEA
Ontario
mié. 3/9
6:05 p.m.-8:50 p.m.
Nonstop2h 45m
Seattle/Tacoma Intl
mar. 9/9
7:59 a.m.-10:50 a.m.
Nonstop2h 51m
OntarioSeattle
ONT - SEA
ONTSEA
Ontario
jue. 19/6
10:03 a.m.-12:49 p.m.
Nonstop2h 46m
Seattle/Tacoma Intl
mar. 24/6
1:50 p.m.-4:30 p.m.
Nonstop2h 40m
OntarioSeattle
ONT - SEA
ONTSEA
Ontario
vie. 6/6
4:45 p.m.-7:25 p.m.
Nonstop2h 40m
Seattle/Tacoma Intl
jue. 12/6
9:30 p.m.-12:13 a.m.
Nonstop2h 43m
OntarioSeattle
ONT - SEA
ONTSEA
Ontario
sáb. 27/9
3:04 p.m.-5:44 p.m.
Nonstop2h 40m
OntarioSeattle
ONT - SEA
ONTSEA
Ontario
jue. 12/6
3:09 p.m.-6:03 p.m.
Nonstop2h 54m
OntarioSeattle
ONT - SEA
ONTSEA
Ontario
mar. 24/6
6:58 p.m.-9:37 p.m.
Nonstop2h 39m
Best time to book a flight from Ontario
Have a flexible travel schedule? Discover the best time to fly from Ontario with our price prediction graph.
Reviews of airlines flying non-stop to Ontario
Get insights into the airlines that provide direct flights from Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight from Ontario. Reviews last updated Cheapflights.
Comfort
Entertainment
Overall
Food
Boarding
Crew
Reviews
James,Apr 2025
LAX - SFO
Comfort
Entertainment
Overall
Food
Boarding
Crew
Reviews
James,Apr 2025
LAX - SFO
Comfort
Entertainment
Overall
Food
Boarding
Crew
Reviews
James,Apr 2025
LAX - SFO
Comfort
Entertainment
Overall
Food
Boarding
Crew
Reviews
James,Apr 2025
LAX - SFO
Comfort
Entertainment
Overall
Food
Boarding
Crew
Reviews
James,Apr 2025
LAX - SFO
Comfort
Entertainment
Overall
Food
Boarding
Crew
Reviews
James,Apr 2025
LAX - SFO