Cheap flights from Ontario to Saint John from C$ 114
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.
Cheap flight deals from Ontario to St John
Keep the following information in mind while searching for Ontario to St John flight deals. Data was last updated 14 September 2025.
Round-trip from | C$ 206 |
---|---|
One-way from | C$ 114 |
Popular in | December |
Cheapest in | October |
Average price | C$ 363 |
Good round-trip deal | C$ 205 or less |
Good one-way deal | C$ 108 or less |
Find flight deals from Ontario to St John
Cheapest flights from Ontario to St JohnExplore the most affordable flight options available from Ontario to St John. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 September 2025.
Explore the most affordable flight options available from Ontario to St John. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 September 2025.
Cheapflights Fare Finder
Use the filters below to find and compare flights from Ontario to Saint John that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
TorontoSaint John
YYZ - YSJ
YYZYSJ
Toronto Pearson Intl
Fri 10/10
8:55 p.m.-11:51 p.m.
Nonstop1h 56m
Saint John
Mon 13/10
6:40 p.m.-7:40 p.m.
Nonstop2h 00m
TorontoSaint John
YYZ - YSJ
YYZYSJ
Toronto Pearson Intl
Fri 17/10
7:50 a.m.-3:45 p.m.
1 stop6h 55m
Saint John
Fri 24/10
10:45 a.m.-12:00 p.m.
Nonstop2h 15m
TorontoSaint John
YYZ - YSJ
YYZYSJ
Toronto Pearson Intl
Sat 11/10
2:45 p.m.-5:40 p.m.
Nonstop1h 55m
Saint John
Wed 15/10
5:55 a.m.-6:55 a.m.
Nonstop2h 00m
TorontoSaint John
YYZ - YSJ
YYZYSJ
Toronto Pearson Intl
Tue 21/10
8:55 p.m.-11:51 p.m.
Nonstop1h 56m
Saint John
Wed 22/10
5:55 a.m.-6:55 a.m.
Nonstop2h 00m
TorontoSaint John
YYZ - YSJ
YYZYSJ
Toronto Pearson Intl
Thu 16/10
2:45 p.m.-5:40 p.m.
Nonstop1h 55m
Saint John
Sun 19/10
5:55 a.m.-6:55 a.m.
Nonstop2h 00m
TorontoSaint John
YYZ - YSJ
YYZYSJ
Toronto Pearson Intl
Fri 3/10
7:50 a.m.-3:45 p.m.
1 stop6h 55m
Saint John
Sun 12/10
10:45 a.m.-12:00 p.m.
Nonstop2h 15m
TorontoSaint John
YTZ - YSJ
YTZYSJ
Toronto Island
Mon 27/10
6:30 p.m.-11:15 a.m.
1 stop15h 45m
Saint John
Mon 3/11
11:55 a.m.-4:55 p.m.
1 stop6h 00m
TorontoSaint John
YYZ - YSJ
YYZYSJ
Toronto Pearson Intl
Mon 20/10
7:00 a.m.-10:00 a.m.
Nonstop2h 00m
Saint John
Tue 21/10
12:00 p.m.-11:53 a.m.
2 stops24h 53m
TorontoSaint John
YYZ - YSJ
YYZYSJ
Toronto Pearson Intl
Sun 12/10
6:15 a.m.-10:49 a.m.
1 stop3h 34m
Saint John
Sun 19/10
6:40 p.m.-7:40 p.m.
Nonstop2h 00m
TorontoSaint John
YYZ - YSJ
YYZYSJ
Toronto Pearson Intl
Thu 16/10
6:15 a.m.-10:49 a.m.
1 stop3h 34m
Saint John
Sat 25/10
11:35 a.m.-3:34 p.m.
1 stop4h 59m
Best time to book a flight from Ontario to St John
Have a flexible travel schedule? Discover the best time to fly to St John from Ontario with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Ontario to Saint John
What is the cheapest month to book a flight from Region of Ontario to Saint John?
Currently, May is the cheapest month in which you can book a flight from Region of Ontario to Saint John (average of C$ 213). Flying from Region of Ontario to Saint John in December is currently the most expensive (average of C$ 461). 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 ON to YSJ?
Find hourly flight availability from Ontario to St John. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 September 2025.
When flying from Region of Ontario to Saint John, 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 Region of Ontario to Saint John
Explore weekly flight availability from Ontario to St John. 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 14 September 2025.
The most flights from CAON to YSJ 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).
Related info for your journey
Find useful and relevant information for your journey from Ontario to St John. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Ontario to St John
See prices for flight routes from nearby airports that may be better suited for you.
Top 3 airlines flying from Ontario to St John
Discover the top 3 airlines that operate flights from Ontario to St John. 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 14 September 2025.
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How does Cheapflights help users find flights from Ontario to St John?
Deals for Ontario to St John flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from Ontario to St John?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ontario to St John.
Can Cheapflights find flights from Ontario to St John with no change fees?
Yes, we can. To see specific flights from Ontario to St John with no change fees, users can toggle flexible booking options after using the search form above to find flights.
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