Find flights
Deals

C$ 73+ 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 29/1. 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
31 Jan — 7 Feb1
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 1 January 2026.

Cheapest one-way flight

C$ 79

Cheapest round-trip flight

C$ 81

Cheapest airline

Frontier

Most popular destination

Vancouver Intl (YVR)

Good round-trip deal

C$ 1,166 or less

Good one-way deal

C$ 197 or less
The cheapest one-way flight from Ontario is currently to Calgary.
Search Deals
The cheapest round-trip flight from Ontario is currently to Vancouver Intl.
Search Deals
On average, Frontier currently has the cheapest one-way flight from Ontario (avg. price of C$ 120).
Search Deals
Vancouver Intl (YVR) is currently the most popular flight destination from Ontario (average round-trip price of C$ 197).
Search Deals
Price to beat on a round-trip flight from Ontario.
Search Deals
Price to beat on a one-way flight from Ontario.
Search Deals

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 1 January 2026.

Sun 1/28:27 p.m.ONT - YVR
1 stop25h 53mMultiple Airlines
Thu 5/25:30 p.m.YVR - ONT
1 stop15h 53mMultiple Airlines
Deal found 31/12C$ 253
Thu 26/22:08 p.m.ONT - ORD
1 stop7h 06mFrontier
Sun 1/34:16 p.m.ORD - ONT
1 stop9h 43mFrontier
Deal found 30/12C$ 259
Thu 19/27:22 p.m.ONT - YVR
1 stop26h 58mMultiple Airlines
Mon 23/25:30 p.m.YVR - ONT
1 stop20h 22mMultiple Airlines
Deal found 31/12C$ 279
Fri 6/22:28 p.m.ONT - YYZ
2 stops12h 45mMultiple Airlines
Mon 9/28:00 p.m.YYZ - ONT
1 stop20h 52mMultiple Airlines
Deal found 30/12C$ 310
Sun 1/28:27 p.m.ONT - YYZ
2 stops20h 09mMultiple Airlines
Mon 9/28:00 p.m.YYZ - ONT
1 stop20h 52mMultiple Airlines
Deal found 31/12C$ 316
Fri 30/110:18 a.m.ONT - YYZ
1 stop17h 29mMultiple Airlines
Sat 7/27:55 p.m.YYZ - ONT
1 stop16h 28mMultiple Airlines
Deal found 31/12C$ 322
Fri 13/29:43 p.m.ONT - YYZ
1 stop29h 37mMultiple Airlines
Fri 20/212:30 p.m.YYZ - ONT
2 stops33h 44mMultiple Airlines
Deal found 1/1C$ 325
Thu 15/110:18 p.m.ONT - YVR
1 stop24h 02mMultiple Airlines
Thu 22/13:45 p.m.YVR - ONT
2 stops17h 38mMultiple Airlines
Deal found 1/1C$ 327
Mon 9/28:05 p.m.ONT - YYZ
1 stop7h 38mMultiple Airlines
Wed 18/210:15 p.m.YYZ - ONT
2 stops36h 07mMultiple Airlines
Deal found 29/12C$ 342
Thu 5/23:22 p.m.ONT - YYC
2 stops18h 58mMultiple Airlines
Mon 9/27:35 p.m.YYC - ONT
1 stop19h 17mMultiple Airlines
Deal found 31/12C$ 349
Wed 28/13:07 p.m.ONT - YVR
1 stop25h 03mMultiple Airlines
Fri 6/27:45 p.m.YVR - ONT
2 stops37h 38mMultiple Airlines
Deal found 1/1C$ 377
Tue 21/41:20 p.m.ONT - YVR
1 stop9h 11mDelta
Sun 26/46:35 a.m.YVR - ONT
1 stop5h 39mDelta
Deal found 31/12C$ 379

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 1 January 2026. 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

Fri 6/2

2:28 p.m.-6:13 a.m.

2 stops12h 45m

Toronto Pearson Intl

Mon 9/2

8:00 p.m.-1:52 p.m.

1 stop20h 52m

C$ 310

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Fri 13/2

9:43 p.m.-6:20 a.m.

1 stop29h 37m

Toronto Pearson Intl

Fri 20/2

12:30 p.m.-7:14 p.m.

2 stops33h 44m

C$ 325

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Thu 5/2

8:48 p.m.-7:36 p.m.

2 stops19h 48m

Toronto Pearson Intl

Sun 8/2

7:55 p.m.-12:10 p.m.

1 stop19h 15m

C$ 346

OntarioVancouver

ONT - YVR

ONTYVR

Ontario

Thu 15/1

10:18 p.m.-10:20 p.m.

1 stop24h 02m

Vancouver Intl

Thu 22/1

5:30 p.m.-9:23 a.m.

1 stop15h 53m

C$ 369

OntarioVancouver

ONT - YVR

ONTYVR

Ontario

Wed 28/1

3:07 p.m.-4:10 p.m.

1 stop25h 03m

Vancouver Intl

Fri 6/2

7:45 p.m.-9:23 a.m.

2 stops37h 38m

C$ 377

OntarioVancouver

ONT - YVR

ONTYVR

Ontario

Mon 16/3

11:59 a.m.-8:55 p.m.

1 stop8h 56m

Vancouver Intl

Mon 23/3

3:44 p.m.-10:34 p.m.

1 stop6h 50m

C$ 383

OntarioChicago

ONT - ORD

ONTORD

Ontario

Mon 2/2

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

1 stop14h 23m

Chicago O'Hare Intl

Wed 18/2

2:20 p.m.-10:37 p.m.

1 stop10h 17m

C$ 391

OntarioChicago

ONT - ORD

ONTORD

Ontario

Tue 3/2

7:30 a.m.-1:22 p.m.

1 stop27h 52m

Chicago O'Hare Intl

Tue 17/2

2:20 p.m.-10:37 p.m.

1 stop10h 17m

C$ 391

OntarioChicago

ONT - ORD

ONTORD

Ontario

Mon 2/2

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

1 stop14h 23m

Chicago O'Hare Intl

Sat 21/2

7:40 a.m.-1:54 p.m.

1 stop8h 14m

C$ 391

OntarioChicago

ONT - ORD

ONTORD

Ontario

Fri 30/1

3:30 p.m.-11:53 p.m.

1 stop30h 23m

Chicago O'Hare Intl

Sat 21/2

7:40 a.m.-10:37 p.m.

1 stop16h 57m

C$ 391

Flights are sorted by cheapest round-trip flights first.

Deals found on 31/12

Showing 1-10 of 60 results
1
2
3
...
6

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 26 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$ 93). Flying from Ontario in December will prove the most costly (average of C$ 151). 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: Dallas (72 flights per day), Seattle (56 flights per day) and Atlanta (43 flights per day).

Dallas/Fort Worth
Dallas/Fort Worth
From C$ 329
San Francisco
San Francisco
From C$ 197
San Salvador El Salvador Intl
San Salvador El Salvador Intl
From C$ 1,166
Salt Lake City
Salt Lake City
From C$ 484

What is the cheapest place to fly to from Ontario?

The cheapest city to fly to from Ontario is San Francisco, with prices starting at C$ 197. Explore other affordable destinations below.

San Francisco
San Francisco
From C$ 197
Dallas/Fort Worth
Dallas/Fort Worth
From C$ 329
Salt Lake City
Salt Lake City
From C$ 484

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.

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 1 January 2026.

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

    This month, the top selected destinations from Ontario are Guadalajara, Honolulu, Denver. 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$ 197 to San Francisco (prices may vary depending on the airline and departure time). On average, users have booked flights for C$ 555 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$ 1,199

  • 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$ 2,108 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$ 253 round trip
    Travel from Ontario to Calgary from C$ 338 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!

See more FAQs

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!

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.