Find flights
Deals

C$ 97+ 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 29/7. 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.
ONT — YVR
19 Jul — 26 Jul1
1 adult
1 adult, Economy, 0 bags

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 19 June 2026.

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioSan Francisco

ONT - SFO

ONTSFO

Ontario

Tue 18/8

6:08 a.m.-7:35 a.m.

Nonstop1h 27m

San Francisco

Tue 18/8

10:37 a.m.-12:12 p.m.

Nonstop1h 35m

C$ 285

OntarioSan Francisco

ONT - SFO

ONTSFO

Ontario

Wed 7/10

1:52 p.m.-3:21 p.m.

Nonstop1h 29m

San Francisco

Thu 8/10

9:25 p.m.-10:59 p.m.

Nonstop1h 34m

C$ 323
Quickest round-trip

OntarioSan Francisco

ONT - SFO

ONTSFO

Ontario

Thu 22/10

6:00 a.m.-7:27 a.m.

Nonstop1h 27m

San Francisco

Wed 28/10

10:50 a.m.-12:20 p.m.

Nonstop1h 30m

C$ 323

OntarioSan Francisco

ONT - SFO

ONTSFO

Ontario

Thu 29/10

6:00 a.m.-7:29 a.m.

Nonstop1h 29m

San Francisco

Tue 3/11

10:50 a.m.-12:20 p.m.

Nonstop1h 30m

C$ 323

OntarioSan Francisco

ONT - SFO

ONTSFO

Ontario

Thu 9/7

6:39 p.m.-8:07 p.m.

Nonstop1h 28m

San Francisco

Sat 11/7

1:50 p.m.-3:29 p.m.

Nonstop1h 39m

C$ 349

OntarioSan Francisco

ONT - SFO

ONTSFO

Ontario

Thu 6/8

6:00 a.m.-7:25 a.m.

Nonstop1h 25m

San Francisco

Mon 10/8

10:40 a.m.-12:12 p.m.

Nonstop1h 32m

C$ 357

OntarioSan Francisco

ONT - SFO

ONTSFO

Ontario

Sat 11/7

4:20 p.m.-5:50 p.m.

Nonstop1h 30m

San Francisco

Wed 15/7

9:00 p.m.-10:37 p.m.

Nonstop1h 37m

C$ 414

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Mon 21/9

6:00 p.m.-8:50 p.m.

Nonstop2h 50m

Seattle/Tacoma Intl

Wed 23/9

2:30 p.m.-5:20 p.m.

Nonstop2h 50m

C$ 433

OntarioSan Francisco

ONT - SFO

ONTSFO

Ontario

Thu 23/7

6:00 a.m.-7:25 a.m.

Nonstop1h 25m

San Francisco

Mon 27/7

10:40 a.m.-12:12 p.m.

Nonstop1h 32m

C$ 436

OntarioSan Francisco

ONT - SFO

ONTSFO

Ontario

Fri 11/12

6:00 a.m.-7:29 a.m.

Nonstop1h 29m

San Francisco

Mon 14/12

4:10 p.m.-5:47 p.m.

Nonstop1h 37m

C$ 445

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/6

Showing 1-10 of 42 resultsSorted by cheapest first
1
2
3
...
5

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.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Access useful and relevant information related to your journey from Ontario. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 19 June 2026.

  • Where can you fly direct from Ontario?

    Currently, the most popular direct flight destination from Ontario is Houston George Bush Intcntl Airport.

  • What is the best time of year to fly direct from Ontario?

    If you're seeking the lowest price on a direct flight from Ontario, October is worth consideration as prices are at their lowest, on average. In terms of the number of daily non-stop flights, January offers travelers the most options.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.