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C$ 69+ Cheap 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 15/1. 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 Dec — 26 Dec1
1 adult
1 adult, Economy, 0 bags

What to know about flights from Ontario

Discover essential information about flights departing from Ontario, including flight schedules, destinations, airlines operating at the Ontario airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 19 November 2025.

Cheapest one-way flight

C$ 41

Cheapest round-trip flight

C$ 73

Cheapest airline

Frontier

Most popular destination

Vancouver Intl (YVR)

Good one-way deal

C$ 163 or less
The cheapest one-way flight from Ontario is currently to Las Vegas Harry Reid Intl.
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The cheapest round-trip flight from Ontario is currently to Vancouver Intl.
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On average, Frontier currently has the cheapest one-way flight from Ontario (avg. price of C$ 108).
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Vancouver Intl (YVR) is currently the most popular flight destination from Ontario (average round-trip price of C$ 142).
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Price to beat on a one-way flight from Ontario.
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Find 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 19 November 2025.

Thu 22/13:22 p.m.ONT - YVR
1 stop6h 58mMultiple Airlines
Wed 28/19:30 a.m.YVR - ONT
1 stop24h 39mMultiple Airlines
Deal found 17/11C$ 296
Wed 24/126:00 p.m.ONT - YVR
1 stop28h 20mMultiple Airlines
Wed 31/129:30 a.m.YVR - ONT
1 stop7h 45mMultiple Airlines
Deal found 18/11C$ 330
Sun 7/125:18 p.m.ONT - YVR
1 stop29h 02mMultiple Airlines
Sun 14/127:00 a.m.YVR - ONT
1 stop16h 31mMultiple Airlines
Deal found 18/11C$ 341
Sat 17/17:30 a.m.ONT - ORD
2 stops12h 22mDelta
Tue 20/12:20 p.m.ORD - ONT
1 stop10h 31mDelta
Deal found 18/11C$ 348
Fri 9/12:34 p.m.ONT - YYZ
1 stop13h 13mMultiple Airlines
Sat 17/17:55 p.m.YYZ - ONT
1 stop24h 49mMultiple Airlines
Deal found 17/11C$ 349
Thu 8/18:14 p.m.ONT - YYZ
1 stop7h 33mMultiple Airlines
Wed 14/11:30 p.m.YYZ - ONT
2 stops21h 07mMultiple Airlines
Deal found 18/11C$ 352
Tue 16/126:40 a.m.ONT - ORD
1 stop15h 19mDelta
Wed 7/12:20 p.m.ORD - ONT
1 stop10h 31mDelta
Deal found 18/11C$ 352
Fri 9/12:34 p.m.ONT - YYZ
1 stop13h 13mMultiple Airlines
Mon 12/18:00 p.m.YYZ - ONT
1 stop24h 54mMultiple Airlines
Deal found 17/11C$ 353
Mon 12/110:18 p.m.ONT - YYZ
2 stops19h 53mMultiple Airlines
Thu 15/18:00 p.m.YYZ - ONT
1 stop14h 37mMultiple Airlines
Deal found 18/11C$ 355
Fri 9/12:34 p.m.ONT - YYZ
1 stop13h 13mMultiple Airlines
Mon 19/18:00 p.m.YYZ - ONT
1 stop21h 12mMultiple Airlines
Deal found 18/11C$ 359
Sat 13/1212:40 p.m.ONT - ORD
1 stop9h 19mDelta
Tue 16/126:00 a.m.ORD - ONT
2 stops13h 07mDelta
Deal found 19/11C$ 359
Sat 10/13:21 p.m.ONT - YYZ
1 stop11h 59mMultiple Airlines
Wed 14/11:30 p.m.YYZ - ONT
2 stops21h 07mMultiple Airlines
Deal found 18/11C$ 360

Find flights from Ontario within your budget

 
Find flights departing from Ontario that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 19 November 2025. In the last 7 days, Cheapflights users made a total of 629,999 searches

Fly to

Vancouver Intl

Route

Depart

Return

Price

OntarioChicago

ONT - ORD

ONTORD

Ontario

Sat 17/1

10:30 p.m.-10:08 a.m.

1 stop9h 38m

Chicago O'Hare Intl

Tue 20/1

2:20 p.m.-10:51 p.m.

1 stop10h 31m

C$ 372

OntarioChicago

ONT - ORD

ONTORD

Ontario

Wed 7/1

6:00 a.m.-1:38 p.m.

1 stop5h 38m

Chicago O'Hare Intl

Mon 12/1

2:20 p.m.-10:51 p.m.

1 stop10h 31m

C$ 379

OntarioChicago

ONT - ORD

ONTORD

Ontario

Thu 5/2

10:30 p.m.-8:42 a.m.

1 stop8h 12m

Chicago O'Hare Intl

Sat 7/2

5:30 a.m.-11:31 a.m.

1 stop8h 01m

C$ 395

OntarioChicago

ONT - ORD

ONTORD

Ontario

Tue 20/1

7:30 a.m.-11:53 p.m.

1 stop14h 23m

Chicago O'Hare Intl

Tue 27/1

7:30 a.m.-1:56 p.m.

1 stop8h 26m

C$ 400

OntarioChicago

ONT - ORD

ONTORD

Ontario

Thu 8/1

7:30 a.m.-11:53 p.m.

1 stop14h 23m

Chicago O'Hare Intl

Tue 13/1

2:20 p.m.-10:51 p.m.

1 stop10h 31m

C$ 400

OntarioChicago

ONT - ORD

ONTORD

Ontario

Wed 21/1

7:30 a.m.-11:53 p.m.

1 stop14h 23m

Chicago O'Hare Intl

Mon 26/1

2:20 p.m.-10:51 p.m.

1 stop10h 31m

C$ 400

OntarioChicago

ONT - ORD

ONTORD

Ontario

Sat 24/1

7:30 a.m.-11:53 p.m.

1 stop14h 23m

Chicago O'Hare Intl

Fri 30/1

2:20 p.m.-10:51 p.m.

1 stop10h 31m

C$ 400

OntarioChicago

ONT - ORD

ONTORD

Ontario

Wed 21/1

7:30 a.m.-11:53 p.m.

1 stop14h 23m

Chicago O'Hare Intl

Thu 29/1

2:20 p.m.-10:51 p.m.

1 stop10h 31m

C$ 400

OntarioChicago

ONT - ORD

ONTORD

Ontario

Wed 21/1

7:30 a.m.-11:53 p.m.

1 stop14h 23m

Chicago O'Hare Intl

Sun 25/1

7:30 a.m.-1:56 p.m.

1 stop8h 26m

C$ 400

OntarioChicago

ONT - ORD

ONTORD

Ontario

Tue 20/1

7:30 a.m.-11:53 p.m.

1 stop14h 23m

Chicago O'Hare Intl

Sun 25/1

2:20 p.m.-10:51 p.m.

1 stop10h 31m

C$ 400

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/11

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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.

Travel insights for flights from Ontario

Get recent, data-driven insights about flights from Ontario including ideal travel times, pricing trends, and more.

When is the best time to book a flight from Ontario?

Use this chart to determine the optimal time to book a round-trip flight from Ontario to Vancouver Intl. Price data was last updated on 14 November 2025.

The price you pay for your flight from Ontario may vary depending on when you book. For the best chance of a lower fare, look to book 63 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Ontario?

Currently, April is the cheapest month in which you can book a flight from Ontario (average of C$ 95). Flying from Ontario in December will prove the most costly (average of C$ 161). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

What are popular destinations to fly to from Ontario?

From Ontario you can expect to find greater availability for the following destinations: Atlanta (88 flights per day), Dallas (84 flights per day) and Seattle (81 flights per day).

Portland
Portland
From C$ 163
Salt Lake City
Salt Lake City
From C$ 494
Atlanta Hartsfield-Jackson
Atlanta Hartsfield-Jackson
From C$ 787

What is the cheapest place to fly to from Ontario?

The cheapest city to fly to from Ontario is Portland, with prices starting at C$ 163. Explore other affordable destinations below.

Portland
Portland
From C$ 163
Salt Lake City
Salt Lake City
From C$ 494
Atlanta Hartsfield-Jackson
Atlanta Hartsfield-Jackson
From C$ 787

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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 November 2025.

  • What are the most popular destinations to fly to from Ontario?

    This month, the top selected destinations from Ontario are Dallas/Fort Worth Airport, Denver, Guadalajara. Throughout the year, Dallas/Fort Worth Airport, Denver, Guadalajara are some of the top choices made by users flying from Ontario.

  • What is the cheapest flight from Ontario to anywhere?

    Users have flown out of Ontario for as low as C$ 163 to Portland (prices may vary depending on the airline and departure time). On average, users have booked flights for C$ 481 to fly from Ontario.

  • What is the cheapest premium economy flight from Ontario?

    Options for some of the cheapest premium economy flights from Ontario we have found on Cheapflights are as follows:
    Fly from Ontario to Houston George Bush Intcntl Airport starting at C$ 1,225
    Fly from Ontario to Taipei City Taiwan Taoyuan Intl Airport starting at C$ 2,883

  • What is the cheapest first class flight from Ontario?

    If you’re looking to fly first-class from Ontario to anywhere, put Dallas on your list as prices start at C$ 2,154 for this destination.

  • What is the cheapest month to fly from Ontario?

    At the present moment the cheapest month to fly from Ontario is currently April; with December being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • Where are the cheapest places to fly to from Ontario?

    Check out the cheapest flights from Ontario to embark to:
    Travel from Ontario to Vancouver from C$ 296 round trip
    Travel from Ontario to Toronto from C$ 352 round trip
    Travel from Ontario to Calgary from C$ 398 round trip

  • How does Cheapflights help users find flights from Ontario?

    Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ontario. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

  • Why should you use Cheapflights to find cheap flight tickets from Ontario?

    Cheapflights helps you find that perfect flight from Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

  • Can Cheapflights find flights from Ontario with no change fees?

    Cheapflights does show flights with no change fees to all users. To see these options for flights from Ontario, users can toggle the no change fees filter when performing a flight search.

  • Can Cheapflights notify me if prices for flights from Ontario become cheaper?

    Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ontario. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Ontario?

Cheapflights helps you find that perfect flight from Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Ontario with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ontario, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Ontario become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

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