C$ 358+ 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 16/4. 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
2 Jan — 9 Jan1
1 adult
1 adult, Economy, 0 bags

Non-stop flights from Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Ontario
Explore the most affordable flight options available from Ontario. Find the lowest fares based on data from user searches, with prices last updated on 3 December 2025.

Thu 28/57:00 a.m.ONT - ORD
Nonstop4h 03mUnited Airlines
Mon 1/67:55 p.m.ORD - ONT
Nonstop4h 31mUnited Airlines
Deal found 2/12C$ 715
Thu 25/1211:59 p.m.ONT - ORD
Nonstop3h 51mUnited Airlines
Thu 1/17:55 p.m.ORD - ONT
Nonstop4h 30mUnited Airlines
Deal found 1/12C$ 730
Fri 26/1211:59 p.m.ONT - ORD
Nonstop3h 51mUnited Airlines
Wed 31/127:55 p.m.ORD - ONT
Nonstop4h 30mUnited Airlines
Deal found 2/12C$ 746
Sun 28/1211:59 p.m.ONT - ORD
Nonstop3h 51mUnited Airlines
Tue 30/127:55 p.m.ORD - ONT
Nonstop4h 30mUnited Airlines
Deal found 3/12C$ 772
Sat 20/1211:59 p.m.ONT - ORD
Nonstop3h 51mUnited Airlines
Sun 4/17:55 p.m.ORD - ONT
Nonstop4h 30mUnited Airlines
Deal found 2/12C$ 777
Mon 22/1211:59 p.m.ONT - ORD
Nonstop3h 51mUnited Airlines
Tue 30/127:55 p.m.ORD - ONT
Nonstop4h 30mUnited Airlines
Deal found 3/12C$ 792
Thu 18/1211:59 p.m.ONT - ORD
Nonstop3h 51mUnited Airlines
Sun 21/127:55 p.m.ORD - ONT
Nonstop4h 30mUnited Airlines
Deal found 2/12C$ 838
Thu 1/111:59 p.m.ONT - ORD
Nonstop3h 51mUnited Airlines
Sun 4/17:55 p.m.ORD - ONT
Nonstop4h 30mUnited Airlines
Deal found 1/12C$ 841
Tue 23/1211:59 p.m.ONT - ORD
Nonstop3h 51mUnited Airlines
Wed 31/127:55 p.m.ORD - ONT
Nonstop4h 30mUnited Airlines
Deal found 1/12C$ 854
Mon 29/1211:59 p.m.ONT - ORD
Nonstop3h 51mUnited Airlines
Sat 3/17:55 p.m.ORD - ONT
Nonstop4h 30mUnited Airlines
Deal found 30/11C$ 856
Sat 20/1211:59 p.m.ONT - ORD
Nonstop3h 51mUnited Airlines
Tue 23/127:55 p.m.ORD - ONT
Nonstop4h 30mUnited Airlines
Deal found 1/12C$ 869
Wed 24/1211:59 p.m.ONT - ORD
Nonstop3h 51mUnited Airlines
Tue 30/127:55 p.m.ORD - ONT
Nonstop4h 30mUnited Airlines
Deal found 1/12C$ 872

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 3 December 2025.

Fly to

Vancouver Intl

Route

Depart

Return

Price

OntarioChicago

ONT - ORD

ONTORD

Ontario

Thu 28/5

7:00 a.m.-1:03 p.m.

Nonstop4h 03m

Chicago O'Hare Intl

Sun 31/5

7:55 p.m.-10:26 p.m.

Nonstop4h 31m

C$ 715

OntarioChicago

ONT - ORD

ONTORD

Ontario

Sun 8/3

11:59 p.m.-6:02 a.m.

Nonstop4h 03m

Chicago O'Hare Intl

Thu 12/3

7:59 p.m.-10:25 p.m.

Nonstop4h 26m

C$ 715

OntarioChicago

ONT - ORD

ONTORD

Ontario

Thu 25/12

11:59 p.m.-5:50 a.m.

Nonstop3h 51m

Chicago O'Hare Intl

Thu 1/1

7:55 p.m.-10:25 p.m.

Nonstop4h 30m

C$ 730

OntarioChicago

ONT - ORD

ONTORD

Ontario

Mon 29/12

11:59 p.m.-5:50 a.m.

Nonstop3h 51m

Chicago O'Hare Intl

Sat 3/1

7:55 p.m.-10:25 p.m.

Nonstop4h 30m

C$ 730

OntarioChicago

ONT - ORD

ONTORD

Ontario

Sun 28/12

11:59 p.m.-5:50 a.m.

Nonstop3h 51m

Chicago O'Hare Intl

Wed 31/12

7:55 p.m.-10:25 p.m.

Nonstop4h 30m

C$ 772

OntarioChicago

ONT - ORD

ONTORD

Ontario

Sat 20/12

11:59 p.m.-5:50 a.m.

Nonstop3h 51m

Chicago O'Hare Intl

Sun 4/1

7:55 p.m.-10:25 p.m.

Nonstop4h 30m

C$ 777

OntarioChicago

ONT - ORD

ONTORD

Ontario

Sun 21/12

11:59 p.m.-5:50 a.m.

Nonstop3h 51m

Chicago O'Hare Intl

Sun 4/1

7:55 p.m.-10:25 p.m.

Nonstop4h 30m

C$ 777

OntarioChicago

ONT - ORD

ONTORD

Ontario

Sat 20/12

11:59 p.m.-5:50 a.m.

Nonstop3h 51m

Chicago O'Hare Intl

Sat 3/1

7:55 p.m.-10:25 p.m.

Nonstop4h 30m

C$ 777

OntarioChicago

ONT - ORD

ONTORD

Ontario

Fri 19/12

11:59 p.m.-5:50 a.m.

Nonstop3h 51m

Chicago O'Hare Intl

Sun 4/1

7:55 p.m.-10:25 p.m.

Nonstop4h 30m

C$ 777

OntarioChicago

ONT - ORD

ONTORD

Ontario

Fri 6/3

11:59 p.m.-6:02 a.m.

Nonstop4h 03m

Chicago O'Hare Intl

Tue 10/3

7:59 p.m.-10:25 p.m.

Nonstop4h 26m

C$ 841

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/12

Showing 1-10 of 21 results
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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.

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