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Cheap flights from St. John's to Ontario from C$ 138

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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYT — YYZ
27 Aug — 3 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from St. John's to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from St. John's to Ontario
Explore the most affordable flight options available from St. John's to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 July 2026.

Tue 1/96:05 a.m.
YYT
-
YHM
1 stop5h 08m
Porter Airlines
Fri 4/93:45 p.m.
YHM
-
YYT
1 stop5h 40m
Porter Airlines
Deal found 24/7C$ 254
Wed 2/96:05 a.m.
YYT
-
YHM
2 stops10h 19m
Porter Airlines
Fri 4/97:00 a.m.
YHM
-
YYT
2 stops14h 25m
Porter Airlines
Deal found 27/7C$ 262
Wed 2/92:45 p.m.
YYT
-
YHM
Nonstop3h 35m
Porter Airlines
Mon 7/91:20 p.m.
YHM
-
YYT
Nonstop3h 10m
Porter Airlines
Deal found 27/7C$ 264
Tue 1/92:45 p.m.
YYT
-
YHM
Nonstop3h 35m
Porter Airlines
Mon 7/91:20 p.m.
YHM
-
YYT
Nonstop3h 10m
Porter Airlines
Deal found 28/7C$ 265
Wed 2/96:05 a.m.
YYT
-
YHM
2 stops10h 19m
Porter Airlines
Sun 6/96:35 p.m.
YHM
-
YYT
1 stop4h 50m
Porter Airlines
Deal found 27/7C$ 267
Thu 20/82:45 p.m.
YYT
-
YHM
Nonstop3h 35m
Porter Airlines
Thu 27/83:50 p.m.
YHM
-
YYT
1 stop5h 35m
Porter Airlines
Deal found 23/7C$ 276
Thu 27/82:45 p.m.
YYT
-
YHM
Nonstop3h 35m
Porter Airlines
Mon 31/83:50 p.m.
YHM
-
YYT
1 stop5h 35m
Porter Airlines
Deal found 25/7C$ 278
Tue 1/96:05 a.m.
YYT
-
YOW
Nonstop3h 03m
Porter Airlines
Tue 1/910:40 a.m.
YOW
-
YYT
2 stops10h 45m
Porter Airlines
Deal found 25/7C$ 291
Wed 19/810:00 a.m.
YYT
-
YYZ
Nonstop3h 30m
Porter Airlines
Fri 28/86:50 p.m.
YYZ
-
YYT
Nonstop3h 05m
Porter Airlines
Deal found 24/7C$ 306
Tue 8/96:00 a.m.
YYT
-
YTZ
1 stop6h 55m
Porter Airlines
Sun 13/92:05 p.m.
YTZ
-
YYT
1 stop7h 20m
Porter Airlines
Deal found 23/7C$ 307
Sat 19/121:25 p.m.
YYT
-
YYZ
Nonstop3h 46m
Porter Airlines
Sat 2/18:00 a.m.
YYZ
-
YYT
Nonstop3h 00m
Porter Airlines
Deal found 24/7C$ 307
Tue 1/96:05 a.m.
YYT
-
YTZ
1 stop7h 05m
Porter Airlines
Mon 7/94:55 p.m.
YTZ
-
YYT
1 stop6h 30m
Porter Airlines
Deal found 28/7C$ 309

Find flight deals from St. John's to Ontario

Keep the following information in mind while searching for St. John's to Ontario flight deals. Data was last updated 28 July 2026.

Round-trip from

C$ 254

One-way from

C$ 138

Popular in

August

Cheapest in

October

Average price

C$ 458

Good round-trip deal

C$ 368 or less

Good one-way deal

C$ 243 or less
Porter Airlines
  • Porter Airlines
  • 1/9-4/9
  • 2 total stops
  • 10h 48m total
  • St. John's to Ontario
Search Deals
Porter Airlines
  • Porter Airlines
  • 3/9
  • 1 total stop
  • 5h 08m total
  • St. John's to Ontario
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 22 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from St John's to Ontario.
Search Deals
Price to beat on a one-way flight from St John's to Ontario.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. John's 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 28 July 2026.
Use the filters below to find and compare flights from St. John's to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. John'sHamilton

YYT - YHM

YYTYHM

St John's

Wed 2/9

2:45 p.m.-4:50 p.m.

Nonstop3h 35m

Hamilton

Tue 8/9

6:35 p.m.-12:55 a.m.

1 stop4h 50m

C$ 310

St. John'sToronto

YYT - YYZ

YYTYYZ

St John's

Mon 31/8

7:00 p.m.-9:00 p.m.

Nonstop3h 30m

Toronto Pearson Intl

Fri 4/9

6:50 p.m.-11:20 p.m.

Nonstop3h 00m

C$ 333

St. John'sHamilton

YYT - YHM

YYTYHM

St John's

Tue 8/9

6:05 a.m.-9:43 a.m.

1 stop5h 08m

Hamilton

Fri 11/9

3:45 p.m.-10:55 p.m.

1 stop5h 40m

C$ 346

St. John'sHamilton

YYT - YHM

YYTYHM

St John's

Wed 2/9

6:05 a.m.-9:43 a.m.

1 stop5h 08m

Hamilton

Mon 7/9

7:00 a.m.-10:55 p.m.

2 stops14h 25m

C$ 346

St. John'sHamilton

YYT - YHM

YYTYHM

St John's

Sun 6/9

2:45 p.m.-4:50 p.m.

Nonstop3h 35m

Hamilton

Wed 16/9

9:10 a.m.-1:50 p.m.

Nonstop3h 10m

C$ 357

St. John'sToronto

YYT - YYZ

YYTYYZ

St John's

Tue 1/9

6:05 a.m.-3:40 p.m.

2 stops11h 05m

Toronto Pearson Intl

Sat 5/9

1:40 p.m.-12:55 a.m.

2 stops9h 45m

C$ 357

St. John'sToronto

YYT - YTZ

YYTYTZ

St John's

Wed 26/8

6:00 a.m.-9:50 a.m.

1 stop5h 20m

Toronto Island

Fri 28/8

2:00 p.m.-10:55 p.m.

1 stop7h 25m

C$ 358

St. John'sToronto

YYT - YTZ

YYTYTZ

St John's

Fri 4/9

6:05 a.m.-11:40 a.m.

1 stop7h 05m

Toronto Island

Wed 9/9

10:00 a.m.-8:15 p.m.

2 stops8h 45m

C$ 361

St. John'sHamilton

YYT - YHM

YYTYHM

St John's

Fri 2/10

2:45 p.m.-4:50 p.m.

Nonstop3h 35m

Hamilton

Mon 5/10

3:45 p.m.-10:55 p.m.

1 stop5h 40m

C$ 362

St. John'sToronto

YYT - YTZ

YYTYTZ

St John's

Mon 7/9

6:00 a.m.-9:50 a.m.

1 stop5h 20m

Toronto Island

Sat 12/9

2:05 p.m.-10:55 p.m.

1 stop7h 20m

C$ 370

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/7

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from St. John's to Ontario

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

What is the cheapest month to book a flight from St. John's to Region of Ontario?

Currently, October is the cheapest month in which you can book a flight from St. John's to Region of Ontario (average of C$ 364). Flying from St. John's to Region of Ontario in August is currently the most expensive (average of C$ 542). 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 YYT to ON?

Find hourly flight availability from St. John's 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 28 July 2026.

It’s typically best to fly out from St. John's to Region of Ontario in the evening. Doing so could potentially save you 18% on the flight price compared to flying at noon, which is usually more expensive.

Weekly flight availability from St. John's to Region of Ontario

Explore weekly flight availability from St. John's 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 28 July 2026.

The most flights from YYT to CAON are scheduled on a Wednesday (39 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (19 on average).

How much does it cost to fly round-trip from St. John's to Region of Ontario?

Airfare is below average for this route at the moment.
St. John's to Region of Ontario flights typically cost between C$ 426 and C$ 685 in August.
The cheapest round-trip price found within the last 5 days was C$ 306 on Porter Airlines (19 Aug-28 Aug).

How far ahead should I book a flight from St. John's to Region of Ontario?

The price you pay for your flight from St. John's to Region of Ontario may vary depending on when you book. For the best chance of a lower fare, look to book 56 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest day to fly from St. John's to Region of Ontario?

Use this chart to determine the cheapest time to fly round-trip from St. John's to Ontario. Price data was last updated on 25 July 2026.

Travelers seeking maximum savings on their St. John's to Region of Ontario flight should consider departing on Saturday afternoons when fares are most often at their lowest. Wednesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 28 July 2026.
Read through reviews of airlines operating flights from St. John's to Ontario, such as Porter Airlines,Air Transat, andWestJet. 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
449 reviews
Check prices

Entertainment

6.9

Overall

8.0

Crew

8.6

Food

7.5

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Porter Airlines
8.0
Very good
449 reviews
Porter Airlines
8.0
Very good
449 reviews
Check prices

Entertainment

6.9

Overall

8.0

Crew

8.6

Food

7.5

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Air Transat
7.8
Good
568 reviews
Porter Airlines
8.0
Very good
449 reviews
Check prices

Entertainment

6.9

Overall

8.0

Crew

8.6

Food

7.5

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
WestJet
7.2
Good
3,415 reviews
Porter Airlines
8.0
Very good
449 reviews
Check prices

Entertainment

6.9

Overall

8.0

Crew

8.6

Food

7.5

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Air Canada
7.1
Good
11,397 reviews
Porter Airlines
8.0
Very good
449 reviews
Check prices

Entertainment

6.9

Overall

8.0

Crew

8.6

Food

7.5

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Flair Airlines
6.0
Okay
275 reviews
Porter Airlines
8.0
Very good
449 reviews
Check prices

Entertainment

6.9

Overall

8.0

Crew

8.6

Food

7.5

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

Related info for your journey

Find useful and relevant information for your journey from St. John's 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 St. John's to Ontario?

    St John's (YYT), located 6.7 km from the city centre, is the airport you fly out of when you book flights from St. John's to Ontario.

  • How long is the flight from St. John's to Region of Ontario?

    Airlines like Porter Airlines fly from St. John's to Region of Ontario in about 3h 35m. The time it takes to get you to your destination is usually consistent. St. John's and Region of Ontario are separated by a distance of 2166 km. Generally, flights for this route are direct.

  • What are the cheapest airlines to fly from St. John's to Region of Ontario one-way?

    For one-way options, check prices for Flair Airlines. According to our data, you can fly for as low as C$ 109. Users have also found prices from C$ 126 and C$ 153 on WestJet and Porter Airlines, respectively.

  • What are the most popular routes from St. John's to Region of Ontario?

    The most popular flight routes from St. John's to Region of Ontario are St John's - Toronto Pearson Intl, St John's - Hamilton and St John's - Toronto Island.

  • What are the most reliable airlines from St. John's to Region of Ontario?

    Before booking your flight to Region of Ontario from St. John's, check out the most reliable airlines to get you to your destination on time: Philippine Airlines (96%), Etihad Airways (95%), XiamenAir( 94%).

  • What are the cheapest flights from St. John's to Region of Ontario?

    The cheapest flight price from St. John's to Region of Ontario is C$ 158. On average you can expect to pay C$ 928. The most popular route, (St John's - Toronto Pearson Intl), can usually be booked for C$ 261.

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

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

  • How can I find direct flights from St. John's 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's to Ontario.

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

    Yes. Cheapflights offers flight deals from St. John's 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 St. John's to Region of Ontario?

    Currently, October is the cheapest month in which you can book a flight from St. John's to Region of Ontario (average of C$ 364). Flying from St. John's to Region of Ontario in August is currently the most expensive (average of C$ 542). 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's to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
St. John's to Pearson Intl flights
St. John's to Hamilton flights
St. John's to Toronto Island flights
St. John's to Halifax flights
Deer Lake to Pearson Intl flights
St. John's to Pierre Elliott Trudeau Intl flights
St. John's to Ottawa flights
St. John's to Vancouver Intl flights
Deer Lake to Toronto Island flights
St. John's to Edmonton flights
St. John's to Deer Lake flights
St. John's to Calgary flights
Deer Lake to Halifax flights
St. John's to Fort McMurray flights
St. John's to Fredericton flights
St. John's to Moncton flights
Gander to Halifax flights
St. John's to Charlottetown flights
Deer Lake to Vancouver Intl flights
Deer Lake to Calgary flights
Deer Lake to Edmonton flights
St. John's to Winnipeg flights
Gander to Pearson Intl flights
Deer Lake to St. John's flights
St. John's to Saskatoon flights
Deer Lake to Ottawa flights
Gander to Edmonton flights
Deer Lake to Charlottetown flights
St. John's to Grande Prairie flights
St. John's to Québec City flights
Gander to Pierre Elliott Trudeau Intl flights
Gander to St. John's flights
Happy Valley-Goose Bay to Deer Lake flights
Happy Valley-Goose Bay to St. John's flights
Happy Valley-Goose Bay to Calgary flights
Deer Lake to Fort McMurray flights
Wabush to Pierre Elliott Trudeau Intl flights
St. John's to Regina flights
Gander to Ottawa flights
St. John's to St John flights
Gander to Toronto Island flights
St. John's to Nanaimo flights

Top 5 airlines flying from St. John's to Ontario

Discover the top 5 airlines that operate flights from St. John's 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 28 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 154AverageC$ 612FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 182AverageC$ 436FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 241AverageC$ 480FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Flair AirlinesCheapestC$ 245AverageC$ 389FlexibilityNo cancel feeOn-timeN/A
Search Flair Airlines flights
Air TransatCheapestC$ 254AverageC$ 499FlexibilityNo cancel feeOn-time50%
Search Air Transat 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's to Ontario?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from St. John's to 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 St. John's to Ontario?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ontario from St. John's.

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

Need flexible booking options for your flight to Ontario from St. John's? 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's to Ontario become cheaper?

Yes, Cheapflights offers price alerts on St. John's to Ontario flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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