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Cheap flights from Saint John to Ontario from C$ 220

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 24/10. Fares are subject to change and may not be available on all flights or dates of travel.
YSJ — YYZ
16 Nov — 23 Nov1
1 adult
1 adult, Economy

Cheap flight deals from St John to Ontario

Keep the following information in mind while searching for St John to Ontario flight deals. Data was last updated 17 October 2025.

Round-trip from

C$ 427

One-way from

C$ 220

Popular in

December

Cheapest in

October

Average price

C$ 361

Good round-trip deal

C$ 434 or less

Good one-way deal

C$ 106 or less
Air Canada
  • Air Canada
  • 29/11-6/12
  • 2 total stops
  • 10h 43m total
  • Saint John to Ontario
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Flair Airlines
  • Flair Airlines
  • 24/10
  • Nonstop
  • 2h 15m total
  • Saint John to Ontario
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (C$ 196 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Saint John to Ontario.
Search Deals
Price to beat on a one-way flight from Saint John to Ontario.
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Find flight deals from St John to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from St John to Ontario
Explore the most affordable flight options available from St John to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 October 2025.

Sat 29/114:15 p.m.YSJ - YTZ
1 stop4h 40mAir Canada
Sat 6/128:30 a.m.YTZ - YSJ
1 stop6h 03mAir Canada
Deal found 15/10C$ 427
Mon 24/114:15 p.m.YSJ - YTZ
1 stop6h 20mAir Canada
Thu 27/118:30 a.m.YTZ - YSJ
1 stop6h 03mAir Canada
Deal found 14/10C$ 449
Thu 27/114:15 p.m.YSJ - YUL
Nonstop1h 29mAir Canada
Sun 30/111:10 p.m.YUL - YSJ
Nonstop1h 23mAir Canada
Deal found 15/10C$ 455
Fri 5/124:15 p.m.YSJ - YYZ
1 stop5h 15mAir Canada
Tue 6/17:50 a.m.YYZ - YSJ
Nonstop1h 59mAir Canada
Deal found 15/10C$ 459
Tue 25/115:40 a.m.YSJ - YYZ
Nonstop2h 23mAir Canada
Wed 26/1110:00 a.m.YYZ - YSJ
1 stop4h 33mAir Canada
Deal found 16/10C$ 461
Mon 24/1112:00 p.m.YSJ - YYZ
1 stop20h 42mMultiple Airlines
Thu 27/1110:30 p.m.YYZ - YSJ
1 stop16h 15mMultiple Airlines
Deal found 14/10C$ 466
Sat 22/114:15 p.m.YSJ - YTZ
1 stop4h 40mAir Canada
Fri 28/118:30 a.m.YTZ - YSJ
1 stop6h 03mAir Canada
Deal found 14/10C$ 479
Sat 29/115:40 a.m.YSJ - YYZ
Nonstop2h 23mAir Canada
Mon 1/128:00 a.m.YYZ - YSJ
Nonstop1h 59mAir Canada
Deal found 15/10C$ 486
Wed 3/1211:45 a.m.YSJ - YYZ
Nonstop2h 19mAir Canada
Wed 10/1211:00 a.m.YYZ - YSJ
1 stop3h 33mAir Canada
Deal found 16/10C$ 487
Sat 22/114:15 p.m.YSJ - YYZ
1 stop5h 15mAir Canada
Fri 28/118:00 a.m.YYZ - YSJ
1 stop6h 33mAir Canada
Deal found 15/10C$ 489
Fri 14/1112:00 p.m.YSJ - YYZ
1 stop20h 42mMultiple Airlines
Wed 19/117:40 a.m.YYZ - YSJ
1 stop7h 05mMultiple Airlines
Deal found 16/10C$ 497
Sun 30/115:40 a.m.YSJ - YOW
1 stop4h 43mAir Canada
Sun 7/125:00 a.m.YOW - YSJ
1 stop4h 59mAir Canada
Deal found 16/10C$ 500

Cheapflights Fare Finder

 
Customize your flight search to find flights from St John to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 17 October 2025.
Use the filters below to find and compare flights from Saint John to Ontario that are best for you.

Fly from

St John

Fly to

Ontario

Route

Depart

Return

Price

Saint JohnToronto

YSJ - YTZ

YSJYTZ

Saint John

Sat 29/11

4:15 p.m.-7:55 p.m.

1 stop4h 40m

Toronto Island

Sat 6/12

8:30 a.m.-3:33 p.m.

1 stop6h 03m

C$ 427

Saint JohnToronto

YSJ - YTZ

YSJYTZ

Saint John

Thu 13/11

4:15 p.m.-9:35 p.m.

1 stop6h 20m

Toronto Island

Sat 15/11

10:30 a.m.-3:33 p.m.

1 stop4h 03m

C$ 449

Saint JohnToronto

YSJ - YTZ

YSJYTZ

Saint John

Mon 24/11

4:15 p.m.-9:35 p.m.

1 stop6h 20m

Toronto Island

Thu 27/11

8:30 a.m.-3:33 p.m.

1 stop6h 03m

C$ 449

Saint JohnToronto

YSJ - YYZ

YSJYYZ

Saint John

Sat 31/1

5:40 a.m.-7:03 a.m.

Nonstop2h 23m

Toronto Pearson Intl

Sat 31/1

11:00 a.m.-3:35 p.m.

1 stop3h 35m

C$ 458

Saint JohnToronto

YSJ - YYZ

YSJYYZ

Saint John

Sat 6/12

4:15 p.m.-8:30 p.m.

1 stop5h 15m

Toronto Pearson Intl

Tue 9/12

8:00 a.m.-10:59 a.m.

Nonstop1h 59m

C$ 461

Saint JohnToronto

YSJ - YYZ

YSJYYZ

Saint John

Fri 16/1

5:40 a.m.-7:03 a.m.

Nonstop2h 23m

Toronto Pearson Intl

Sat 31/1

11:00 a.m.-3:35 p.m.

1 stop3h 35m

C$ 461

Saint JohnToronto

YSJ - YYZ

YSJYYZ

Saint John

Tue 25/11

4:15 p.m.-8:30 p.m.

1 stop5h 15m

Toronto Pearson Intl

Sun 30/11

8:00 a.m.-3:33 p.m.

1 stop6h 33m

C$ 461

Saint JohnMontreal

YSJ - YUL

YSJYUL

Saint John

Thu 27/11

5:40 a.m.-9:23 a.m.

1 stop4h 43m

Montreal Pierre Elliott Trudeau Intl

Sun 30/11

1:10 p.m.-3:33 p.m.

Nonstop1h 23m

C$ 463

Saint JohnToronto

YSJ - YTZ

YSJYTZ

Saint John

Sat 22/11

4:15 p.m.-7:55 p.m.

1 stop4h 40m

Toronto Island

Fri 28/11

8:30 a.m.-3:33 p.m.

1 stop6h 03m

C$ 479

Saint JohnToronto

YSJ - YYZ

YSJYYZ

Saint John

Sat 29/11

4:15 p.m.-8:30 p.m.

1 stop5h 15m

Toronto Pearson Intl

Mon 1/12

8:00 a.m.-10:59 a.m.

Nonstop1h 59m

C$ 486

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/10

Showing 1-10 of 60 results
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Best time to book a flight from St John to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from St John 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.

Cheapflights Insights

Everything you need to know about your flight from Saint John to Ontario

What is the cheapest month to book a flight from Saint John to Region of Ontario?

Currently, October is the cheapest month in which you can book a flight from Saint John to Region of Ontario (average of C$ 129). Flying from Saint John to Region of Ontario in December is currently the most expensive (average of C$ 329). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from YSJ to ON?

Find hourly flight availability from St John to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 October 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 33% on flights from Saint John to Region of Ontario by exploring options for tickets in the afternoon.

Weekly flight availability from Saint John to Region of Ontario

Explore weekly flight availability from St John to Ontario. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 17 October 2025.

The most flights from YSJ to CAON are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

How much does it cost to fly round-trip from Saint John to Region of Ontario?

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated 17 October 2025.
Read through reviews of airlines operating flights from Saint John to Ontario, such as Porter Airlines,Air Canada, andFlair Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
381 reviews
Check prices

Food

7.6

Boarding

8.2

Entertainment

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
8.0
Very good
381 reviews
Porter Airlines
8.0
Very good
381 reviews
Check prices

Food

7.6

Boarding

8.2

Entertainment

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,304 reviews
Porter Airlines
8.0
Very good
381 reviews
Check prices

Food

7.6

Boarding

8.2

Entertainment

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Flair Airlines
6.0
Okay
249 reviews
Porter Airlines
8.0
Very good
381 reviews
Check prices

Food

7.6

Boarding

8.2

Entertainment

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Related info for your journey

Find useful and relevant information for your journey from St John to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Saint John to Ontario?

    Most people fly from Saint John (YSJ) if they book a flight from Saint John to Ontario. Saint John is conveniently located just 15.1 km from Saint John’s city centre.

  • How long is the flight from Saint John to Region of Ontario?

    Departing from Saint John to Region of Ontario will take you 4h 40m. Saint John and Region of Ontario are separated by a distance of 1086 km.

  • What are the most popular routes from Saint John to Region of Ontario?

    While some choose either Saint John - Montreal Pierre Elliott Trudeau Intl or Saint John - Toronto Island, Saint John - Toronto Pearson Intl is the most popular route from Saint John to Region of Ontario.

  • What are the most reliable airlines from Saint John to Region of Ontario?

    No one likes to see their flight delayed. When booking a flight from Saint John to Region of Ontario consider choosing Flair Airlines (91%), Emirates (85%) or Air Canada Rouge (74%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Saint John to Region of Ontario?

    The cheapest flight price from Saint John to Region of Ontario is C$ 81. On average you can expect to pay C$ 412. The most popular route, (Saint John - Toronto Pearson Intl), can usually be booked for C$ 299.

  • Can I find deals for flights from St John to Ontario that include hotel bookings?

    Yes. In addition to deals on St John to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St John to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St John to Ontario.

  • Can I find deals for business class flights from St John to Ontario?

    Yes. Cheapflights offers flight deals from St John to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Saint John to Region of Ontario?

    Currently, October is the cheapest month in which you can book a flight from Saint John to Region of Ontario (average of C$ 129). Flying from Saint John to Region of Ontario in December is currently the most expensive (average of C$ 329). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for St John to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from St John to Ontario

Discover the top 3 airlines that operate flights from St John to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 17 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Flair AirlinesCheapestC$ 168AverageC$ 281FlexibilityNo cancel feeOn-timeN/A
Search Flair Airlines flights
Air CanadaCheapestC$ 351AverageC$ 598FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 376AverageC$ 558FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights

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How does Cheapflights help users find flights from St John to Ontario?

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

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Can Cheapflights find flights from St John to Ontario with no change fees?

Need flexible booking options for your flight to Ontario from St John? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

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

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