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Cheap flights from Saint John to Ontario from C$ 109

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 29/9. Fares are subject to change and may not be available on all flights or dates of travel.
YSJ — YYZ
15 Oct — 22 Oct1
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 15 September 2025.

Round-trip from

C$ 212

One-way from

C$ 109

Popular in

December

Cheapest in

September

Average price

C$ 379

Good round-trip deal

C$ 357 or less

Good one-way deal

C$ 107 or less
Flair Airlines
  • Flair Airlines
  • 13/10-17/10
  • Nonstop
  • 4h 15m total
  • Saint John to Ontario
Search Deals
Flair Airlines
  • Flair Airlines
  • 29/9
  • Nonstop
  • 2h 15m total
  • Saint John to Ontario
Search Deals
Highest demand for flights based on searches. 23% potential increase in price (C$ 205 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 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.
Search Deals

Find flight deals from St John to Ontario

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 15 September 2025.

Mon 13/1010:45 a.m.YSJ - YYZ
Nonstop2h 15mFlair Airlines
Fri 17/107:00 a.m.YYZ - YSJ
Nonstop2h 00mFlair Airlines
Deal found 15/9C$ 212
Fri 26/910:45 a.m.YSJ - YYZ
Nonstop2h 15mFlair Airlines
Mon 29/97:00 a.m.YYZ - YSJ
Nonstop2h 00mFlair Airlines
Deal found 13/9C$ 306
Mon 13/1010:45 a.m.YSJ - YYZ
Nonstop2h 15mMultiple Airlines
Fri 17/107:50 a.m.YYZ - YSJ
1 stop6h 55mMultiple Airlines
Deal found 15/9C$ 343
Tue 14/106:40 p.m.YSJ - YYZ
Nonstop2h 00mAir Canada
Tue 21/106:15 a.m.YYZ - YSJ
1 stop3h 34mAir Canada
Deal found 14/9C$ 354
Thu 9/106:40 p.m.YSJ - YYZ
Nonstop2h 00mAir Canada
Thu 16/108:55 p.m.YYZ - YSJ
Nonstop1h 56mAir Canada
Deal found 13/9C$ 356
Fri 10/105:55 a.m.YSJ - YYZ
Nonstop2h 00mAir Canada
Wed 15/102:45 p.m.YYZ - YSJ
Nonstop1h 55mAir Canada
Deal found 13/9C$ 363
Sat 11/105:55 a.m.YSJ - YYZ
Nonstop2h 00mAir Canada
Mon 13/106:15 a.m.YYZ - YSJ
1 stop3h 34mAir Canada
Deal found 14/9C$ 372
Wed 22/1011:35 a.m.YSJ - YYZ
1 stop3h 59mAir Canada
Thu 23/106:15 a.m.YYZ - YSJ
1 stop3h 34mAir Canada
Deal found 13/9C$ 378
Fri 24/1011:35 a.m.YSJ - YTZ
1 stop4h 10mAir Canada
Sun 26/106:45 p.m.YTZ - YSJ
2 stops15h 30mAir Canada
Deal found 13/9C$ 386
Tue 21/1011:35 a.m.YSJ - YTZ
2 stops8h 11mAir Canada
Wed 22/107:20 p.m.YTZ - YSJ
2 stops14h 29mAir Canada
Deal found 15/9C$ 388
Wed 22/1011:35 a.m.YSJ - YTZ
1 stop4h 10mAir Canada
Thu 23/107:20 p.m.YTZ - YSJ
2 stops14h 29mAir Canada
Deal found 13/9C$ 421
Sun 12/1010:45 a.m.YSJ - YOW
1 stop14h 37mMultiple Airlines
Sun 19/108:40 p.m.YOW - YSJ
1 stop12h 20mMultiple Airlines
Deal found 14/9C$ 469

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 15 September 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 - YYZ

YSJYYZ

Saint John

Mon 13/10

10:45 a.m.-12:00 p.m.

Nonstop2h 15m

Toronto Pearson Intl

Fri 17/10

7:50 a.m.-3:45 p.m.

1 stop6h 55m

C$ 343

Saint JohnToronto

YSJ - YYZ

YSJYYZ

Saint John

Tue 21/10

5:55 a.m.-6:55 a.m.

Nonstop2h 00m

Toronto Pearson Intl

Wed 22/10

6:15 a.m.-10:49 a.m.

1 stop3h 34m

C$ 356

Saint JohnToronto

YSJ - YYZ

YSJYYZ

Saint John

Wed 22/10

6:40 p.m.-7:40 p.m.

Nonstop2h 00m

Toronto Pearson Intl

Thu 23/10

2:45 p.m.-5:40 p.m.

Nonstop1h 55m

C$ 363

Saint JohnToronto

YSJ - YYZ

YSJYYZ

Saint John

Fri 10/10

6:40 p.m.-7:40 p.m.

Nonstop2h 00m

Toronto Pearson Intl

Tue 14/10

2:45 p.m.-5:40 p.m.

Nonstop1h 55m

C$ 363

Saint JohnToronto

YSJ - YTZ

YSJYTZ

Saint John

Fri 24/10

11:35 a.m.-2:45 p.m.

1 stop4h 10m

Toronto Island

Sun 26/10

6:45 p.m.-11:15 a.m.

2 stops15h 30m

C$ 386

Saint JohnToronto

YSJ - YTZ

YSJYTZ

Saint John

Fri 31/10

11:55 a.m.-6:13 p.m.

2 stops7h 18m

Toronto Island

Sun 2/11

6:45 p.m.-11:15 a.m.

2 stops15h 30m

C$ 388

Saint JohnToronto

YSJ - YTZ

YSJYTZ

Saint John

Tue 21/10

11:35 a.m.-4:45 p.m.

1 stop6h 10m

Toronto Island

Wed 22/10

7:20 p.m.-10:49 a.m.

2 stops14h 29m

C$ 388

Saint JohnToronto

YSJ - YYZ

YSJYYZ

Saint John

Tue 14/10

5:55 a.m.-6:55 a.m.

Nonstop2h 00m

Toronto Pearson Intl

Mon 20/10

12:30 a.m.-10:49 a.m.

2 stops9h 19m

C$ 394

Saint JohnToronto

YSJ - YYZ

YSJYYZ

Saint John

Sat 4/10

11:35 a.m.-2:34 p.m.

1 stop3h 59m

Toronto Pearson Intl

Sat 11/10

2:45 p.m.-5:40 p.m.

Nonstop1h 55m

C$ 419

Saint JohnToronto

YSJ - YTZ

YSJYTZ

Saint John

Wed 22/10

11:35 a.m.-2:45 p.m.

1 stop4h 10m

Toronto Island

Thu 23/10

7:20 p.m.-10:49 a.m.

2 stops14h 29m

C$ 421

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/9

Showing 1-10 of 55 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, January is the cheapest month in which you can book a flight from Saint John to Region of Ontario (average of C$ 169). Flying from Saint John to Region of Ontario in July is currently the most expensive (average of C$ 258). 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 15 September 2025.

When flying from Saint John to Region of Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 15 September 2025.

The most flights from YSJ to CAON are scheduled on a Monday (6 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (3 on average).

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 15 September 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
7.9
Good
363 reviews
Check prices

Overall

7.9

Entertainment

7.0

Comfort

7.9

Crew

8.6

Boarding

8.1

Food

7.6

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
7.9
Good
363 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Overall

7.9

Entertainment

7.0

Comfort

7.9

Crew

8.6

Boarding

8.1

Food

7.6

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
10,000 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Overall

7.9

Entertainment

7.0

Comfort

7.9

Crew

8.6

Boarding

8.1

Food

7.6

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
7.9
Good
363 reviews
Check prices

Overall

7.9

Entertainment

7.0

Comfort

7.9

Crew

8.6

Boarding

8.1

Food

7.6

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 2h. Saint John and Region of Ontario are separated by a distance of 1102 km. Most flights are nonstop.

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

    While some choose either Saint John - Toronto Island or Saint John - Montreal Pierre Elliott Trudeau Intl, 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 (92%), Emirates (82%) or Air Canada Rouge (59%) 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$ 85. On average you can expect to pay C$ 391. The most popular route, (Saint John - Toronto Pearson Intl), can usually be booked for C$ 237.

  • 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, January is the cheapest month in which you can book a flight from Saint John to Region of Ontario (average of C$ 169). Flying from Saint John to Region of Ontario in July is currently the most expensive (average of C$ 258). 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 15 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Flair AirlinesCheapestC$ 170AverageC$ 281FlexibilityNo cancel feeOn-timeN/A
Search Flair Airlines flights
Air CanadaCheapestC$ 355AverageC$ 590FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 370AverageC$ 555FlexibilityNo 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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