Cheap flights from Saint John to Ontario from C$ 123

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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
YSJ — YYZ
7 Mar — 14 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap 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 5 February 2026.

Wed 3/610:45 a.m.
YSJ
-
YYZ
Nonstop2h 15m
Flair Airlines
Wed 10/67:05 a.m.
YYZ
-
YSJ
Nonstop1h 55m
Flair Airlines
Deal found 2/2C$ 206
Fri 24/710:45 a.m.
YSJ
-
YYZ
Nonstop2h 15m
Flair Airlines
Mon 27/77:05 a.m.
YYZ
-
YSJ
Nonstop1h 55m
Flair Airlines
Deal found 2/2C$ 210
Wed 8/710:45 a.m.
YSJ
-
YYZ
Nonstop2h 15m
Flair Airlines
Wed 15/77:05 a.m.
YYZ
-
YSJ
Nonstop1h 55m
Flair Airlines
Deal found 2/2C$ 251
Fri 18/910:45 a.m.
YSJ
-
YYZ
Nonstop2h 15m
Flair Airlines
Fri 25/97:05 a.m.
YYZ
-
YSJ
Nonstop1h 55m
Flair Airlines
Deal found 3/2C$ 254
Wed 8/710:45 a.m.
YSJ
-
YYZ
Nonstop2h 15m
Flair Airlines
Fri 17/77:05 a.m.
YYZ
-
YSJ
Nonstop1h 55m
Flair Airlines
Deal found 2/2C$ 281
Mon 15/610:45 a.m.
YSJ
-
YYZ
Nonstop2h 15m
Flair Airlines
Mon 22/67:05 a.m.
YYZ
-
YSJ
Nonstop1h 55m
Flair Airlines
Deal found 2/2C$ 295
Wed 10/610:45 a.m.
YSJ
-
YYZ
Nonstop2h 15m
Flair Airlines
Wed 17/67:05 a.m.
YYZ
-
YSJ
Nonstop1h 55m
Flair Airlines
Deal found 2/2C$ 296
Wed 8/710:45 a.m.
YSJ
-
YYZ
Nonstop2h 15m
Flair Airlines
Mon 13/77:05 a.m.
YYZ
-
YSJ
Nonstop1h 55m
Flair Airlines
Deal found 2/2C$ 317
Mon 20/410:45 a.m.
YSJ
-
YYZ
Nonstop2h 15m
Flair Airlines
Fri 24/47:05 a.m.
YYZ
-
YSJ
Nonstop1h 55m
Flair Airlines
Deal found 1/2C$ 320
Wed 22/710:45 a.m.
YSJ
-
YYZ
Nonstop2h 15m
Flair Airlines
Fri 24/77:05 a.m.
YYZ
-
YSJ
Nonstop1h 55m
Flair Airlines
Deal found 2/2C$ 322
Thu 28/54:30 p.m.
YSJ
-
YTZ
1 stop6h 02m
Air Canada
Sat 30/57:50 a.m.
YTZ
-
YSJ
2 stops6h 50m
Air Canada
Deal found 4/2C$ 448
Wed 13/54:30 p.m.
YSJ
-
YTZ
1 stop6h 02m
Air Canada
Sat 16/57:50 a.m.
YTZ
-
YSJ
2 stops6h 50m
Air Canada
Deal found 2/2C$ 455

Find 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 5 February 2026.

Round-trip from

C$ 206

One-way from

C$ 205

Popular in

December

Cheapest in

October

Average price

C$ 545

Good round-trip deal

C$ 535 or less

Good one-way deal

C$ 261 or less
Flair Airlines
  • Flair Airlines
  • 3/6-10/6
  • Nonstop
  • 4h 10m total
  • Saint John to Ontario
10/6
  • 10/6
  • 1 total stop
  • 14h 35m total
  • Saint John to Ontario
Highest demand for flights based on searches. 15% potential increase in price (C$ 115 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease (C$ 22 potential savings vs. average RT price).
Average for round-trip flights in February 2026
Price to beat on a round-trip flight from Saint John to Ontario.
Price to beat on a one-way flight from Saint John to Ontario.

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 5 February 2026.
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 20/4

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

Nonstop2h 15m

Toronto Pearson Intl

Fri 24/4

7:05 a.m.-10:00 a.m.

Nonstop1h 55m

C$ 320

Saint JohnToronto

YSJ - YYZ

YSJYYZ

Saint John

Mon 13/4

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

1 stop11h 00m

Toronto Pearson Intl

Mon 20/4

7:05 a.m.-10:00 a.m.

Nonstop1h 55m

C$ 370

Saint JohnToronto

YSJ - YYZ

YSJYYZ

Saint John

Mon 20/4

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

Nonstop2h 15m

Toronto Pearson Intl

Sun 26/4

6:15 p.m.-3:45 p.m.

1 stop20h 30m

C$ 393

Saint JohnToronto

YSJ - YTZ

YSJYTZ

Saint John

Thu 28/5

4:30 p.m.-9:32 p.m.

1 stop6h 02m

Toronto Island

Sat 30/5

10:45 a.m.-3:40 p.m.

1 stop3h 55m

C$ 448

Saint JohnToronto

YSJ - YYZ

YSJYYZ

Saint John

Thu 28/5

5:35 a.m.-6:50 a.m.

Nonstop2h 15m

Toronto Pearson Intl

Sat 30/5

8:30 a.m.-11:27 a.m.

Nonstop1h 57m

C$ 452

Saint JohnToronto

YSJ - YYZ

YSJYYZ

Saint John

Sun 26/4

5:35 a.m.-6:50 a.m.

Nonstop2h 15m

Toronto Pearson Intl

Wed 29/4

8:55 p.m.-11:52 p.m.

Nonstop1h 57m

C$ 452

Saint JohnToronto

YSJ - YYZ

YSJYYZ

Saint John

Mon 11/5

4:30 p.m.-7:58 p.m.

1 stop4h 28m

Toronto Pearson Intl

Sat 16/5

8:55 p.m.-11:52 p.m.

Nonstop1h 57m

C$ 456

Saint JohnOttawa

YSJ - YOW

YSJYOW

Saint John

Tue 23/6

4:30 p.m.-8:50 p.m.

1 stop5h 20m

Ottawa

Wed 24/6

11:15 a.m.-3:50 p.m.

1 stop3h 35m

C$ 457

Saint JohnToronto

YSJ - YTZ

YSJYTZ

Saint John

Mon 20/4

11:55 a.m.-3:52 p.m.

1 stop4h 57m

Toronto Island

Fri 24/4

6:45 a.m.-11:10 a.m.

1 stop3h 25m

C$ 472

Saint JohnToronto

YSJ - YTZ

YSJYTZ

Saint John

Tue 31/3

11:45 a.m.-2:22 p.m.

1 stop3h 37m

Toronto Island

Sat 4/4

6:45 a.m.-11:10 a.m.

1 stop3h 25m

C$ 475

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

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

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$ 93). Flying from Saint John to Region of Ontario in January is currently the most expensive (average of C$ 287). 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 5 February 2026.

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 5 February 2026.

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).

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 5 February 2026.
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.

Comfort

7.9

Boarding

8.2

Food

7.5

Entertainment

6.9

Overall

7.9

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Comfort

7.9

Boarding

8.2

Food

7.5

Entertainment

6.9

Overall

7.9

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Comfort

7.9

Boarding

8.2

Food

7.5

Entertainment

6.9

Overall

7.9

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Comfort

7.9

Boarding

8.2

Food

7.5

Entertainment

6.9

Overall

7.9

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

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 15m. Saint John and Region of Ontario are separated by a distance of 1102 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes 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 Emirates (67%), Air Canada (65%) or Jazz (65%) 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$ 74. On average you can expect to pay C$ 933. The most popular route, (Saint John - Toronto Pearson Intl), can usually be booked for C$ 206.

  • 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$ 93). Flying from Saint John to Region of Ontario in January is currently the most expensive (average of C$ 287). 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

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.

Alternative routes for St John to Ontario

See prices for flight routes from nearby airports that may be better suited for you.

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 5 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Flair AirlinesCheapestC$ 160AverageC$ 248FlexibilityNo cancel feeOn-timeN/A
Search Flair Airlines flights
Air CanadaCheapestC$ 342AverageC$ 553FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 427AverageC$ 526FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights

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 St John to Ontario?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Ontario from St John today with Cheapflights!

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

Cheapflights simply makes it quick and affordable to book flights from St John to Ontario by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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!

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.