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Cheap flights from St. John's to Mississauga from C$ 166

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 15/11. Fares are subject to change and may not be available on all flights or dates of travel.
YYT — YYZ
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from St John's to Mississauga are usually found in March or October, booked 25 days in advance, depart on a Thursday or Friday and return on a Wednesday

Cheap flight deals from St. John's to Mississauga

Keep the following information in mind while searching for St. John's to Mississauga flight deals. Data was last updated 11 September 2025.

Round-trip from

C$ 234

One-way from

C$ 166

Popular in

November

Cheapest in

March

Average price

C$ 349
Porter Airlines
  • Porter Airlines
  • 14/10-20/10
  • 1 total stop
  • 10h 33m total
  • St. John's to Mississauga
Search Deals
Porter Airlines
  • Porter Airlines
  • 15/11
  • 2 total stops
  • 11h 32m total
  • St. John's to Mississauga
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 71 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from St. John's to Mississauga

Cheapest flights from St. John's to Mississauga
Explore the most affordable flight options available from St. John's to Mississauga. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2025.

Tue 14/103:00 p.m.YYT - YYZ
Nonstop3h 40mWestJet
Mon 20/106:20 p.m.YYZ - YYT
Nonstop3h 06mWestJet
Deal found 10/9C$ 234
Thu 2/103:00 p.m.YYT - YYZ
Nonstop3h 40mMultiple Airlines
Wed 8/107:40 a.m.YYZ - YYT
2 stops7h 48mMultiple Airlines
Deal found 11/9C$ 236
Thu 2/101:15 p.m.YYT - YYZ
1 stop6h 28mPorter Airlines
Mon 6/104:15 p.m.YYZ - YYT
1 stop6h 53mPorter Airlines
Deal found 10/9C$ 237
Fri 21/115:40 p.m.YYT - YYZ
Nonstop3h 46mPorter Airlines
Thu 4/129:00 a.m.YYZ - YYT
1 stop5h 05mPorter Airlines
Deal found 10/9C$ 238
Wed 1/103:00 p.m.YYT - YYZ
Nonstop3h 40mWestJet
Wed 8/106:20 p.m.YYZ - YYT
Nonstop3h 06mWestJet
Deal found 11/9C$ 240
Thu 2/103:00 p.m.YYT - YYZ
Nonstop3h 40mWestJet
Wed 8/106:20 p.m.YYZ - YYT
Nonstop3h 06mWestJet
Deal found 11/9C$ 243
Wed 19/115:40 p.m.YYT - YYZ
Nonstop3h 46mPorter Airlines
Sat 29/113:40 p.m.YYZ - YYT
1 stop7h 51mPorter Airlines
Deal found 10/9C$ 244
Thu 9/103:00 p.m.YYT - YYZ
Nonstop3h 40mMultiple Airlines
Mon 13/104:15 p.m.YYZ - YYT
1 stop6h 53mMultiple Airlines
Deal found 11/9C$ 247
Sat 11/106:00 a.m.YYT - YYZ
Nonstop3h 32mMultiple Airlines
Sat 18/106:20 p.m.YYZ - YYT
Nonstop3h 06mMultiple Airlines
Deal found 10/9C$ 248

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. John's to Mississauga 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 11 September 2025.
Use the filters below to find and compare flights from St. John's to Mississauga that are best for you.

Fly from

St. John's

Fly to

Mississauga

Route

Depart

Return

Price

St. John'sToronto

YYT - YYZ

YYTYYZ

St John's

Wed 19/11

5:40 p.m.-7:56 p.m.

Nonstop3h 46m

Toronto Pearson Intl

Thu 27/11

9:00 a.m.-3:35 p.m.

1 stop5h 05m

C$ 240

St. John'sToronto

YYT - YYZ

YYTYYZ

St John's

Fri 21/11

5:40 p.m.-7:56 p.m.

Nonstop3h 46m

Toronto Pearson Intl

Thu 27/11

9:00 a.m.-3:35 p.m.

1 stop5h 05m

C$ 240

St. John'sToronto

YYT - YYZ

YYTYYZ

St John's

Thu 2/10

1:15 p.m.-6:13 p.m.

1 stop6h 28m

Toronto Pearson Intl

Wed 8/10

6:20 p.m.-10:56 p.m.

Nonstop3h 06m

C$ 241

St. John'sToronto

YYT - YYZ

YYTYYZ

St John's

Wed 1/10

3:00 p.m.-5:10 p.m.

Nonstop3h 40m

Toronto Pearson Intl

Mon 6/10

4:15 p.m.-12:38 a.m.

1 stop6h 53m

C$ 244

St. John'sToronto

YYT - YYZ

YYTYYZ

St John's

Thu 9/10

7:00 a.m.-1:55 p.m.

1 stop8h 25m

Toronto Pearson Intl

Mon 13/10

4:15 p.m.-12:38 a.m.

1 stop6h 53m

C$ 248

St. John'sToronto

YYT - YYZ

YYTYYZ

St John's

Thu 9/10

6:00 a.m.-8:02 a.m.

Nonstop3h 32m

Toronto Pearson Intl

Thu 16/10

7:40 a.m.-4:58 p.m.

2 stops7h 48m

C$ 249

St. John'sToronto

YYT - YYZ

YYTYYZ

St John's

Fri 26/9

3:00 p.m.-5:10 p.m.

Nonstop3h 40m

Toronto Pearson Intl

Mon 29/9

4:15 p.m.-12:38 a.m.

1 stop6h 53m

C$ 265

St. John'sToronto

YYT - YYZ

YYTYYZ

St John's

Tue 23/9

1:15 p.m.-6:13 p.m.

1 stop6h 28m

Toronto Pearson Intl

Wed 15/10

4:15 p.m.-12:38 a.m.

1 stop6h 53m

C$ 267

St. John'sToronto

YYT - YYZ

YYTYYZ

St John's

Thu 20/11

6:00 a.m.-12:07 p.m.

2 stops7h 37m

Toronto Pearson Intl

Wed 26/11

8:15 a.m.-1:01 a.m.

3 stops15h 16m

C$ 269

St. John'sToronto

YYT - YYZ

YYTYYZ

St John's

Sat 18/10

1:15 p.m.-6:13 p.m.

1 stop6h 28m

Toronto Pearson Intl

Sat 25/10

7:40 a.m.-4:58 p.m.

2 stops7h 48m

C$ 272

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 22 results
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Best time to book a flight from St. John's to Mississauga

Have a flexible travel schedule? Discover the best time to fly to Mississauga 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 Mississauga

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

Use this chart to determine the optimal time to book a round-trip flight from St. John's to Mississauga. Price data was last updated on 29 August 2025.

The best time to book flights from St. John's to Mississauga is 25 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from St. John's to Mississauga (average of C$ 168). Flying from St. John's to Mississauga 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 YYT to M1S?

Find hourly flight availability from St. John's to Mississauga. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 September 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from St. John's to Mississauga as you normally would.

What is the cheapest day to fly from St. John's to Mississauga?

Use this chart to determine the cheapest time to fly round-trip from St. John's to Mississauga. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their St. John's to Mississauga flight should consider departing on Sunday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from St. John's to Mississauga

Explore weekly flight availability from St. John's to Mississauga. 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 11 September 2025.

The most flights from YYT to M1S are scheduled on a Thursday (34 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (25 on average).

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

Reviews of airlines servicing Mississauga

Get insights into the airlines that provide service to Mississauga. 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 Mississauga. Reviews last updated 11 September 2025.
Read through reviews of airlines operating flights from St. John's to Mississauga, such as Porter Airlines,Air Transat, andWestJet. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
7.9
Good
363 reviews
Check prices

Food

7.6

Boarding

8.1

Overall

7.9

Entertainment

7.0

Crew

8.6

Comfort

7.9

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

Food

7.6

Boarding

8.1

Overall

7.9

Entertainment

7.0

Crew

8.6

Comfort

7.9

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 Transat
7.7
Good
438 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Food

7.6

Boarding

8.1

Overall

7.9

Entertainment

7.0

Crew

8.6

Comfort

7.9

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.
WestJet
7.2
Good
3,091 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Food

7.6

Boarding

8.1

Overall

7.9

Entertainment

7.0

Crew

8.6

Comfort

7.9

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

Food

7.6

Boarding

8.1

Overall

7.9

Entertainment

7.0

Crew

8.6

Comfort

7.9

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's to Mississauga. 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 Mississauga?

    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 Mississauga. 4 airlines have flights from St John's to Mississauga on a regular basis. Booking flights from St John's to Mississauga should not be difficult; the airport handles an average of 30 outbound flights to Mississauga per day.

  • How long is the flight from St. John's to Mississauga?

    For as low as C$ 240, Porter Airlines can have you in Mississauga from St. John's in 3h 46m. There are 2121 km between St. John's and Mississauga. Most flights are nonstop.

  • What are the most reliable airlines from St. John's to Mississauga?

    Before booking your flight to Mississauga from St. John's, check out the most reliable airlines to get you to your destination on time: XiamenAir (89%), Emirates (89%), Etihad Airways( 87%).

  • What are the cheapest flights from St. John's to Mississauga?

    While on average a flight from St. John's to Mississauga is generally C$ 960, our data shows the cheapest flight currently is C$ 179. When looking at the most popular route, (St John's - Toronto Pearson Intl), you can expect to pay C$ 175 for that flight.

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

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

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

    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 Mississauga.

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

    Yes. Cheapflights offers flight deals from St. John's to Mississauga 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 Mississauga?

    Currently, January is the cheapest month in which you can book a flight from St. John's to Mississauga (average of C$ 168). Flying from St. John's to Mississauga 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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Top 4 airlines flying from St. John's to Mississauga

Discover the top 4 airlines that operate flights from St. John's to Mississauga. 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 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 175AverageC$ 358FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
WestJetCheapestC$ 231AverageC$ 427FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 232AverageC$ 566FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air TransatCheapestC$ 264AverageC$ 430FlexibilityNo cancel feeOn-time50%
Search Air Transat flights

Fly with Cheapflights

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How does Cheapflights help users find flights from St. John's to Mississauga?

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

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Can Cheapflights notify me if prices for flights from St. John's to Mississauga become cheaper?

Yes! Start tracking prices for St. John's to Mississauga flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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