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C$ 56+ Cheap flights from Ontario

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/1. 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
22 Jan — 29 Jan1
1 adult

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 January 2025.

Cheapest one-way flight

C$ 28

Cheapest round-trip flight

C$ 60

Cheapest airline

Frontier

Most popular destination

Vancouver Intl (YVR)
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.
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Vancouver Intl (YVR) is currently the most popular flight destination from Ontario.
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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 January 2025.

Mon 27/16:45 a.m.ONT - SFO
Nonstop1h 35mFrontier
Mon 3/29:59 p.m.SFO - ONT
Nonstop1h 25mFrontier
Deal found 16/1C$ 56
Thu 30/16:15 a.m.ONT - SFO
Nonstop1h 31mUnited Airlines
Sun 2/28:25 a.m.SFO - ONT
Nonstop1h 26mUnited Airlines
Deal found 16/1C$ 82
Sat 8/32:43 p.m.ONT - YVR
1 stop7h 47mMultiple Airlines
Tue 18/31:45 p.m.YVR - ONT
2 stops25h 19mMultiple Airlines
Deal found 15/1C$ 275
Fri 14/24:55 p.m.ONT - SFO
1 stop6h 50mSouthwest
Sun 16/25:20 a.m.SFO - ONT
1 stop7h 45mSouthwest
Deal found 16/1C$ 312
Mon 3/29:36 p.m.ONT - YYZ
1 stop30h 07mMultiple Airlines
Thu 6/28:00 p.m.YYZ - ONT
1 stop14h 11mMultiple Airlines
Deal found 15/1C$ 319
Tue 4/211:14 a.m.ONT - SFO
1 stop8h 02mAlaska Airlines
Wed 5/28:00 a.m.SFO - ONT
1 stop9h 04mAlaska Airlines
Deal found 16/1C$ 319
Sat 15/28:29 p.m.ONT - YYC
1 stop25h 26mMultiple Airlines
Tue 18/26:55 p.m.YYC - ONT
1 stop21h 24mMultiple Airlines
Deal found 15/1C$ 371
Tue 28/110:00 a.m.ONT - SFO
1 stop6h 11mAmerican Airlines
Wed 29/15:55 a.m.SFO - ONT
1 stop6h 03mAmerican Airlines
Deal found 16/1C$ 372
Thu 13/21:05 p.m.ONT - BTR
1 stop7h 18mDelta
Sun 16/26:05 a.m.BTR - ONT
1 stop7h 50mDelta
Deal found 16/1C$ 415
Sun 2/310:24 a.m.ONT - YLW
1 stop13h 06mMultiple Airlines
Sun 9/39:00 a.m.YLW - ONT
1 stop6h 29mMultiple Airlines
Deal found 16/1C$ 418
Thu 13/26:00 a.m.ONT - YYC
1 stop4h 47mDelta
Tue 25/212:40 p.m.YYC - ONT
1 stop4h 48mDelta
Deal found 16/1C$ 421
Tue 18/25:05 a.m.ONT - YYC
1 stop15h 36mUnited Airlines
Fri 21/26:14 a.m.YYC - ONT
1 stop15h 38mUnited Airlines
Deal found 16/1C$ 451

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

Fly to

Any airport

Route

Depart

Return

Price

OntarioSan Francisco

ONT - SFO

ONTSFO

Ontario

Thu 20/2

8:26 a.m.-10:02 a.m.

Nonstop1h 36m

San Francisco

Sun 23/2

10:59 p.m.-7:26 a.m.

1 stop8h 27m

C$ 121

OntarioSan Francisco

ONT - SFO

ONTSFO

Ontario

Fri 7/3

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

Nonstop1h 29m

San Francisco

Fri 7/3

9:15 p.m.-10:45 p.m.

Nonstop1h 30m

C$ 131

OntarioVancouver

ONT - YVR

ONTYVR

Ontario

Sat 8/3

2:43 p.m.-10:30 p.m.

1 stop7h 47m

Vancouver Intl

Tue 18/3

1:45 p.m.-3:04 p.m.

2 stops25h 19m

C$ 275

OntarioSan Francisco

ONT - SFO

ONTSFO

Ontario

Fri 14/2

4:55 p.m.-11:45 p.m.

1 stop6h 50m

San Francisco

Sun 16/2

5:20 a.m.-1:05 p.m.

1 stop7h 45m

C$ 312

OntarioSan Francisco

ONT - SFO

ONTSFO

Ontario

Tue 4/2

11:14 a.m.-7:16 p.m.

1 stop8h 02m

San Francisco

Wed 5/2

8:00 a.m.-5:04 p.m.

1 stop9h 04m

C$ 319

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Mon 3/2

9:36 p.m.-6:43 a.m.

1 stop30h 07m

Toronto Pearson Intl

Thu 6/2

8:00 p.m.-7:11 a.m.

1 stop14h 11m

C$ 319

OntarioCalgary

ONT - YYC

ONTYYC

Ontario

Sat 15/2

8:29 p.m.-10:55 p.m.

1 stop25h 26m

Calgary

Tue 18/2

6:55 p.m.-3:19 p.m.

1 stop21h 24m

C$ 371

OntarioSan Francisco

ONT - SFO

ONTSFO

Ontario

Tue 28/1

10:00 a.m.-4:11 p.m.

1 stop6h 11m

San Francisco

Wed 29/1

5:55 a.m.-11:58 a.m.

1 stop6h 03m

C$ 372

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

Thu 13/2

1:05 p.m.-10:23 p.m.

1 stop7h 18m

Baton Rouge Ryan

Sun 16/2

6:05 a.m.-11:55 a.m.

1 stop7h 50m

C$ 415

OntarioKelowna

ONT - YLW

ONTYLW

Ontario

Sun 2/3

10:24 a.m.-11:30 p.m.

1 stop13h 06m

Kelowna

Sun 9/3

9:00 a.m.-3:29 p.m.

1 stop6h 29m

C$ 418

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/1

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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 10 January 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 22 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, January is the cheapest month in which you can book a flight from Ontario (average of C$ 83). Flying from Ontario in December will prove the most costly (average of C$ 162). 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 (85 flights per day), Seattle (65 flights per day) and Phoenix (59 flights per day).

San Francisco

San Francisco

From C$ 167

Las Vegas Harry Reid Intl

Las Vegas Harry Reid Intl

From C$ 92

What is the cheapest place to fly to from Ontario?

The cheapest city to fly to from Ontario is Las Vegas Harry Reid Intl, with prices starting at C$ 132. Explore other affordable destinations below.

Las Vegas Harry Reid Intl

Las Vegas Harry Reid Intl

From C$ 92

San Francisco

San Francisco

From C$ 167

Airline reviews for flights from Ontario

Get insights into the airlines that provide service from Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from Ontario. In the last 7 days, Cheapflights users made a total of 629,999 searches.
Alaska Airlines
8.0
Very good
9,681 reviews
Check prices

Boarding

8.2

Food

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines
8.0
Very good
9,681 reviews
Alaska Airlines
8.0
Very good
9,681 reviews
Check prices

Boarding

8.2

Food

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta
8.0
Very good
8,511 reviews
Alaska Airlines
8.0
Very good
9,681 reviews
Check prices

Boarding

8.2

Food

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines
7.4
Good
8,965 reviews
Alaska Airlines
8.0
Very good
9,681 reviews
Check prices

Boarding

8.2

Food

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,681 reviews
Check prices

Boarding

8.2

Food

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

WestJet
7.2
Good
2,824 reviews
Alaska Airlines
8.0
Very good
9,681 reviews
Check prices

Boarding

8.2

Food

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Browse thousands of different options on Cheapflights for your next trip

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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 January 2025.

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

    This month, the top selected destinations from Ontario are Guadalajara, Dallas/Fort Worth Airport, 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$ 132 to Las Vegas (prices may vary depending on the airline and departure time). On average, users have booked flights for C$ 651 to fly from Ontario.

  • What are the cheapest airlines flying from Ontario to anywhere?

    According to our data, users have found Frontier, United Airlines, and China Airlines to have the cheapest round-trip prices from Ontario. Some of the destinations and prices are as follows: Frontier flights from Ontario to Las Vegas Harry Reid Intl (C$ 59). United Airlines flights from Ontario to Toronto Pearson Intl (C$ 463). China Airlines flights from Ontario to Manila Ninoy Aquino Intl (C$ 1,162).

  • 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 Seattle starting at C$ 841
    Fly from Ontario to Taipei City Taiwan Taoyuan Intl Airport starting at C$ 2,955
    Fly from Ontario to Dallas/Fort Worth Airport starting at C$ 3,577

  • What is the cheapest first class flight from Ontario?

    If you’re looking to fly first-class from Ontario to anywhere, put Charlotte on your list as prices start at C$ 1,626 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 January; 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$ 295 round trip
    Travel from Ontario to Toronto from C$ 303 round trip
    Travel from Ontario to Calgary from C$ 326 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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