C$ 77+ 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 18/1. 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
16 Jan — 23 Jan1
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 17 December 2025.

Cheapest one-way flight

C$ 40

Cheapest round-trip flight

C$ 80

Cheapest airline

Frontier

Most popular destination

Vancouver Intl (YVR)

Good round-trip deal

C$ 1,169 or less

Good one-way deal

C$ 160 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$ 121).
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Vancouver Intl (YVR) is currently the most popular flight destination from Ontario (average round-trip price of C$ 185).
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Price to beat on a round-trip flight from Ontario.
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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 17 December 2025.

Thu 29/18:48 p.m.ONT - YVR
1 stop25h 32mMultiple Airlines
Thu 5/23:40 p.m.YVR - ONT
1 stop17h 43mMultiple Airlines
Deal found 15/12C$ 245
Thu 15/110:18 p.m.ONT - YVR
1 stop24h 02mMultiple Airlines
Mon 19/13:40 p.m.YVR - ONT
1 stop21h 57mMultiple Airlines
Deal found 16/12C$ 250
Thu 22/18:48 p.m.ONT - YVR
1 stop25h 32mMultiple Airlines
Sat 24/19:10 a.m.YVR - ONT
2 stops14h 14mMultiple Airlines
Deal found 15/12C$ 300
Mon 19/12:34 p.m.ONT - YVR
1 stop7h 46mMultiple Airlines
Mon 26/13:40 p.m.YVR - ONT
1 stop21h 57mMultiple Airlines
Deal found 16/12C$ 303
Fri 23/12:28 p.m.ONT - YVR
1 stop7h 52mMultiple Airlines
Fri 30/112:30 p.m.YVR - ONT
2 stops25h 04mMultiple Airlines
Deal found 15/12C$ 306
Sat 17/19:10 p.m.ONT - YVR
1 stop25h 10mMultiple Airlines
Sat 24/19:10 a.m.YVR - ONT
2 stops14h 14mMultiple Airlines
Deal found 17/12C$ 307
Sun 25/18:27 p.m.ONT - YYZ
2 stops20h 09mMultiple Airlines
Fri 30/18:00 p.m.YYZ - ONT
1 stop20h 34mMultiple Airlines
Deal found 17/12C$ 308
Thu 8/12:34 p.m.ONT - YYZ
2 stops20h 06mMultiple Airlines
Thu 15/18:00 p.m.YYZ - ONT
1 stop14h 37mMultiple Airlines
Deal found 17/12C$ 344
Sat 31/17:35 p.m.ONT - YYZ
1 stop7h 45mMultiple Airlines
Sat 7/210:15 p.m.YYZ - ONT
2 stops40h 55mMultiple Airlines
Deal found 16/12C$ 347
Thu 8/12:34 p.m.ONT - YYC
2 stops16h 31mMultiple Airlines
Tue 13/17:35 p.m.YYC - ONT
1 stop23h 19mMultiple Airlines
Deal found 17/12C$ 352
Thu 15/110:18 p.m.ONT - YYC
2 stops36h 02mMultiple Airlines
Thu 22/17:35 p.m.YYC - ONT
1 stop14h 48mMultiple Airlines
Deal found 16/12C$ 381
Sat 17/16:00 a.m.ONT - BTR
1 stop5h 17mUnited Airlines
Tue 20/13:30 p.m.BTR - ONT
1 stop8h 29mUnited Airlines
Deal found 17/12C$ 381

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 17 December 2025. In the last 7 days, Cheapflights users made a total of 629,999 searches

Fly to

Vancouver Intl

Route

Depart

Return

Price

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Thu 29/1

3:22 p.m.-6:47 a.m.

1 stop12h 25m

Toronto Pearson Intl

Mon 2/2

1:30 p.m.-1:37 p.m.

2 stops27h 07m

C$ 308

OntarioCalgary

ONT - YYC

ONTYYC

Ontario

Thu 8/1

2:34 p.m.-8:05 a.m.

2 stops16h 31m

Calgary

Tue 13/1

7:35 p.m.-5:54 p.m.

1 stop23h 19m

C$ 352

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Sat 31/1

7:35 p.m.-6:20 a.m.

1 stop7h 45m

Toronto Pearson Intl

Sat 7/2

7:55 p.m.-9:18 a.m.

1 stop16h 23m

C$ 374

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

Sat 17/1

6:00 a.m.-3:58 p.m.

1 stop7h 58m

Baton Rouge Ryan

Tue 20/1

3:30 p.m.-9:59 p.m.

1 stop8h 29m

C$ 381

OntarioKelowna

ONT - YLW

ONTYLW

Ontario

Thu 26/2

3:24 p.m.-8:00 a.m.

2 stops16h 36m

Kelowna

Sun 1/3

9:05 a.m.-11:32 p.m.

1 stop14h 27m

C$ 394

OntarioVancouver

ONT - YVR

ONTYVR

Ontario

Fri 9/1

3:30 p.m.-8:54 p.m.

1 stop5h 24m

Vancouver Intl

Wed 14/1

3:30 p.m.-10:51 p.m.

1 stop7h 21m

C$ 414

OntarioVancouver

ONT - YVR

ONTYVR

Ontario

Wed 7/1

5:05 a.m.-1:58 p.m.

1 stop8h 53m

Vancouver Intl

Tue 13/1

12:35 p.m.-8:58 p.m.

1 stop8h 23m

C$ 422

OntarioVancouver

ONT - YVR

ONTYVR

Ontario

Sat 17/1

3:30 p.m.-8:54 p.m.

1 stop5h 24m

Vancouver Intl

Sun 18/1

6:20 a.m.-1:56 p.m.

1 stop7h 36m

C$ 424

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

Sat 11/4

10:30 p.m.-9:37 a.m.

1 stop9h 07m

Baton Rouge Ryan

Wed 15/4

6:00 a.m.-11:20 a.m.

1 stop7h 20m

C$ 425

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

Fri 16/1

10:30 p.m.-9:52 a.m.

1 stop9h 22m

Baton Rouge Ryan

Wed 21/1

6:18 a.m.-11:31 a.m.

1 stop7h 13m

C$ 425

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/12

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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 12 December 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 32 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$ 94). Flying from Ontario in August will prove the most costly (average of C$ 149). 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 (72 flights per day), Seattle (58 flights per day) and Dallas (40 flights per day).

San Francisco
San Francisco
From C$ 197
San Salvador El Salvador Intl
San Salvador El Salvador Intl
From C$ 1,169
Portland
Portland
From C$ 160
Dallas/Fort Worth
Dallas/Fort Worth
From C$ 330

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$ 160. Explore other affordable destinations below.

Portland
Portland
From C$ 160
San Francisco
San Francisco
From C$ 197
Dallas/Fort Worth
Dallas/Fort Worth
From C$ 330
Salt Lake City
Salt Lake City
From C$ 485

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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 17 December 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$ 160 to Portland (prices may vary depending on the airline and departure time). On average, users have booked flights for C$ 519 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$ 1,203

  • 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$ 2,114 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 August 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$ 250 round trip
    Travel from Ontario to Toronto from C$ 308 round trip
    Travel from Ontario to Calgary from C$ 381 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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