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C$ 79+ 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 20/6. 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
4 May — 11 May1
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 29 April 2025.

Cheapest one-way flight

C$ 53

Cheapest round-trip flight

C$ 49

Cheapest airline

Frontier

Most popular destination

Toronto Pearson Intl (YYZ)

Good round-trip deal

C$ 348 or less

Good one-way deal

C$ 54 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$ 105).
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Toronto Pearson Intl (YYZ) is currently the most popular flight destination from Ontario (average round-trip price of C$ 195).
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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

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 29 April 2025.

Wed 4/66:30 a.m.ONT - YVR
1 stop15h 55mMultiple Airlines
Mon 9/611:30 a.m.YVR - ONT
1 stop12h 09mMultiple Airlines
Deal found 27/4C$ 302
Thu 29/51:35 p.m.ONT - ORD
1 stop8h 50mUnited Airlines
Tue 3/67:55 p.m.ORD - ONT
Nonstop4h 31mUnited Airlines
Deal found 28/4C$ 328
Thu 28/87:10 a.m.ONT - ORD
1 stop19h 50mAlaska Airlines
Tue 2/96:20 a.m.ORD - ONT
1 stop9h 49mAlaska Airlines
Deal found 29/4C$ 341
Fri 8/83:30 p.m.ONT - ORD
1 stop5h 35mSouthwest
Fri 15/87:00 a.m.ORD - ONT
2 stops7h 40mSouthwest
Deal found 28/4C$ 349
Fri 4/71:15 p.m.ONT - ORD
1 stop6h 54mDelta
Sat 5/77:40 a.m.ORD - ONT
1 stop6h 37mDelta
Deal found 28/4C$ 356
Fri 30/512:59 a.m.ONT - YYC
1 stop12h 46mMultiple Airlines
Tue 3/67:35 p.m.YYC - ONT
1 stop21h 55mMultiple Airlines
Deal found 28/4C$ 359
Mon 26/57:37 p.m.ONT - YYZ
1 stop25h 35mMultiple Airlines
Sun 1/68:05 p.m.YYZ - ONT
1 stop19h 15mMultiple Airlines
Deal found 28/4C$ 373
Wed 28/55:10 a.m.ONT - YYC
1 stop15h 38mUnited Airlines
Tue 3/63:22 p.m.YYC - ONT
1 stop8h 23mUnited Airlines
Deal found 28/4C$ 377
Mon 12/54:35 p.m.ONT - YYC
2 stops18h 15mAmerican Airlines
Wed 4/612:45 p.m.YYC - ONT
1 stop22h 19mAmerican Airlines
Deal found 28/4C$ 391
Sat 31/51:10 p.m.ONT - YYC
1 stop8h 51mDelta
Wed 4/67:40 a.m.YYC - ONT
1 stop5h 35mDelta
Deal found 28/4C$ 400
Tue 20/512:18 p.m.ONT - BTR
1 stop7h 51mDelta
Tue 27/56:00 a.m.BTR - ONT
1 stop7h 08mDelta
Deal found 27/4C$ 400
Thu 29/55:10 a.m.ONT - YYC
1 stop15h 38mAir Canada
Sat 31/512:30 p.m.YYC - ONT
2 stops9h 34mAir Canada
Deal found 28/4C$ 423

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

Fly to

Vancouver Intl

Route

Depart

Return

Price

OntarioVancouver

ONT - YVR

ONTYVR

Ontario

Wed 11/6

12:39 p.m.-10:25 p.m.

1 stop9h 46m

Vancouver Intl

Wed 25/6

9:45 a.m.-6:38 p.m.

1 stop8h 53m

C$ 288

OntarioChicago

ONT - ORD

ONTORD

Ontario

Thu 29/5

1:35 p.m.-12:25 a.m.

1 stop8h 50m

Chicago O'Hare Intl

Tue 3/6

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

Nonstop4h 31m

C$ 328

OntarioChicago

ONT - ORD

ONTORD

Ontario

Thu 28/8

7:10 a.m.-5:00 a.m.

1 stop19h 50m

Chicago O'Hare Intl

Tue 2/9

6:20 a.m.-2:09 p.m.

1 stop9h 49m

C$ 341

OntarioChicago

ONT - ORD

ONTORD

Ontario

Fri 8/8

3:30 p.m.-11:05 p.m.

1 stop5h 35m

Chicago O'Hare Intl

Fri 15/8

7:00 a.m.-12:40 p.m.

2 stops7h 40m

C$ 349

OntarioChicago

ONT - ORD

ONTORD

Ontario

Fri 4/7

1:15 p.m.-10:09 p.m.

1 stop6h 54m

Chicago O'Hare Intl

Sat 5/7

7:40 a.m.-12:17 p.m.

1 stop6h 37m

C$ 356

OntarioCalgary

ONT - YYC

ONTYYC

Ontario

Fri 30/5

12:59 a.m.-2:45 p.m.

1 stop12h 46m

Calgary

Tue 3/6

7:35 p.m.-4:30 p.m.

1 stop21h 55m

C$ 359

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Mon 26/5

7:37 p.m.-12:12 a.m.

1 stop25h 35m

Toronto Pearson Intl

Sun 1/6

8:05 p.m.-12:20 p.m.

1 stop19h 15m

C$ 373

OntarioCalgary

ONT - YYC

ONTYYC

Ontario

Wed 28/5

5:10 a.m.-9:48 p.m.

1 stop15h 38m

Calgary

Tue 3/6

3:22 p.m.-10:45 p.m.

1 stop8h 23m

C$ 377

OntarioCalgary

ONT - YYC

ONTYYC

Ontario

Mon 12/5

4:35 p.m.-11:50 a.m.

2 stops18h 15m

Calgary

Wed 4/6

12:45 p.m.-10:04 a.m.

1 stop22h 19m

C$ 391

OntarioCalgary

ONT - YYC

ONTYYC

Ontario

Sat 31/5

1:10 p.m.-11:01 p.m.

1 stop8h 51m

Calgary

Wed 4/6

7:40 a.m.-12:15 p.m.

1 stop5h 35m

C$ 400

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/4

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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 25 April 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 48 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, May is the cheapest month in which you can book a flight from Ontario (average of C$ 94). Flying from Ontario in December will prove the most costly (average of C$ 157). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from Ontario?

For flights departing from Ontario check dates and pricing for the following: Air Canada. This airline departs to the following popular destinations: Vancouver.

Frontier

Frontier

From C$ 41

United Airlines

United Airlines

From C$ 322

China Airlines

China Airlines

From C$ 808

Air Canada

Air Canada

From C$ 227

What are popular destinations to fly to from Ontario?

From Ontario you can expect to find greater availability for the following destinations: Seattle (129 flights per day), Dallas (129 flights per day) and San Francisco (87 flights per day).

San Francisco

San Francisco

From C$ 39

Denver Intl

Denver Intl

From C$ 145

Dallas/Fort Worth

Dallas/Fort Worth

From C$ 74

Seattle/Tacoma Intl

Seattle/Tacoma Intl

From C$ 357

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$ 54. Explore other affordable destinations below.

San Francisco

San Francisco

From C$ 39

Dallas/Fort Worth

Dallas/Fort Worth

From C$ 74

Denver Intl

Denver Intl

From C$ 145

Seattle/Tacoma Intl

Seattle/Tacoma Intl

From C$ 357

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
9,949 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,949 reviews
Alaska Airlines
8.0
Very good
9,949 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,929 reviews
Alaska Airlines
8.0
Very good
9,949 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,949 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,949 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
WestJet
7.2
Good
2,823 reviews
Alaska Airlines
8.0
Very good
9,949 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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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 29 April 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, Honolulu. Throughout the year, Denver, Dallas/Fort Worth Airport, 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$ 54 to San Francisco (prices may vary depending on the airline and departure time). On average, users have booked flights for C$ 359 to fly from Ontario.

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

    According to our data, users have found Frontier, Air Canada, and United 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$ 57). Air Canada flights from Ontario to Vancouver Intl (C$ 315). United Airlines flights from Ontario to Toronto Pearson Intl (C$ 447).

  • 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$ 811
    Fly from Ontario to Taipei City Taiwan Taoyuan Intl Airport starting at C$ 2,850
    Fly from Ontario to Dallas/Fort Worth Airport starting at C$ 3,449

  • 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$ 1,568 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 May; 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$ 288 round trip
    Travel from Ontario to Calgary from C$ 334 round trip
    Travel from Ontario to Toronto from C$ 380 round trip
    Travel from Ontario to Montreal from C$ 479 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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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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