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Cheap flights from St. John's to Mississauga from C$ 164

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 26/11. Fares are subject to change and may not be available on all flights or dates of travel.
YYT — YYZ
27 Nov — 4 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from St John's to Mississauga are usually found in March or May, booked 45 days in advance, depart on a Thursday or Friday and return on a Wednesday

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Enter your travel dates to find the best prices.

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 28 October 2025.

Tue 18/116:20 a.m.YYT - YYZ
1 stop6h 23mPorter Airlines
Fri 21/115:15 p.m.YYZ - YYT
1 stop6h 16mPorter Airlines
Deal found 27/10C$ 316
Fri 21/115:40 p.m.YYT - YYZ
Nonstop3h 42mPorter Airlines
Fri 28/115:15 p.m.YYZ - YYT
1 stop6h 16mPorter Airlines
Deal found 28/10C$ 323
Tue 25/116:20 a.m.YYT - YYZ
1 stop6h 23mPorter Airlines
Tue 2/123:40 p.m.YYZ - YYT
1 stop7h 53mPorter Airlines
Deal found 28/10C$ 327
Fri 28/116:20 a.m.YYT - YYZ
2 stops10h 50mPorter Airlines
Wed 10/125:15 p.m.YYZ - YYT
1 stop6h 18mPorter Airlines
Deal found 26/10C$ 330
Mon 1/126:20 a.m.YYT - YYZ
1 stop6h 28mPorter Airlines
Fri 12/127:15 a.m.YYZ - YYT
2 stops14h 30mPorter Airlines
Deal found 27/10C$ 331
Tue 18/116:20 a.m.YYT - YYZ
2 stops13h 06mPorter Airlines
Wed 26/1112:10 p.m.YYZ - YYT
Nonstop3h 05mPorter Airlines
Deal found 27/10C$ 333
Tue 25/116:20 a.m.YYT - YYZ
1 stop6h 23mPorter Airlines
Tue 25/115:15 p.m.YYZ - YYT
1 stop6h 16mPorter Airlines
Deal found 26/10C$ 334
Mon 8/125:40 p.m.YYT - YYZ
Nonstop3h 46mPorter Airlines
Mon 15/1212:10 p.m.YYZ - YYT
Nonstop3h 05mPorter Airlines
Deal found 27/10C$ 336
Mon 24/115:40 p.m.YYT - YYZ
Nonstop3h 42mPorter Airlines
Tue 25/115:15 p.m.YYZ - YYT
1 stop6h 16mPorter Airlines
Deal found 26/10C$ 337

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 28 October 2025.

Round-trip from

C$ 316

One-way from

C$ 164

Popular in

August

Cheapest in

March

Average price

C$ 404
Porter Airlines
  • Porter Airlines
  • 18/11-21/11
  • 2 total stops
  • 12h 39m total
  • St. John's to Mississauga
Search Deals
Porter Airlines
  • Porter Airlines
  • 26/11
  • 2 total stops
  • 7h 37m total
  • St. John's to Mississauga
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 10 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 28 October 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 3/12

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

Nonstop3h 46m

Toronto Pearson Intl

Sat 6/12

3:40 p.m.-1:03 a.m.

1 stop7h 53m

C$ 329

St. John'sToronto

YYT - YYZ

YYTYYZ

St John's

Mon 1/12

6:20 a.m.-11:18 a.m.

1 stop6h 28m

Toronto Pearson Intl

Fri 12/12

7:15 a.m.-11:15 p.m.

2 stops14h 30m

C$ 331

St. John'sToronto

YYT - YYZ

YYTYYZ

St John's

Wed 26/11

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

2 stops7h 37m

Toronto Pearson Intl

Wed 3/12

5:15 p.m.-1:03 a.m.

1 stop6h 18m

C$ 340

St. John'sToronto

YYT - YYZ

YYTYYZ

St John's

Wed 19/11

6:20 a.m.-11:13 a.m.

1 stop6h 23m

Toronto Pearson Intl

Sat 22/11

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

1 stop5h 05m

C$ 344

St. John'sToronto

YYT - YYZ

YYTYYZ

St John's

Wed 19/11

5:40 p.m.-7:52 p.m.

Nonstop3h 42m

Toronto Pearson Intl

Wed 26/11

12:10 p.m.-4:45 p.m.

Nonstop3h 05m

C$ 372

St. John'sToronto

YYT - YYZ

YYTYYZ

St John's

Mon 24/11

5:40 p.m.-7:52 p.m.

Nonstop3h 42m

Toronto Pearson Intl

Wed 3/12

12:10 p.m.-4:45 p.m.

Nonstop3h 05m

C$ 376

St. John'sToronto

YYT - YYZ

YYTYYZ

St John's

Fri 21/11

5:40 p.m.-7:52 p.m.

Nonstop3h 42m

Toronto Pearson Intl

Fri 28/11

8:15 a.m.-11:15 p.m.

2 stops13h 30m

C$ 385

St. John'sToronto

YYT - YYZ

YYTYYZ

St John's

Sat 29/11

6:20 a.m.-11:13 a.m.

1 stop6h 23m

Toronto Pearson Intl

Mon 1/12

5:15 p.m.-1:03 a.m.

1 stop6h 18m

C$ 389

St. John'sToronto

YYT - YYZ

YYTYYZ

St John's

Wed 3/12

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

Nonstop3h 46m

Toronto Pearson Intl

Fri 5/12

5:15 p.m.-1:03 a.m.

1 stop6h 18m

C$ 389

St. John'sToronto

YYT - YYZ

YYTYYZ

St John's

Sun 25/1

6:20 a.m.-11:15 a.m.

1 stop6h 25m

C$ 182

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/10

Showing 1-10 of 19 results
1
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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 24 October 2025.

The best time to book flights from St. John's to Mississauga is 45 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, September is the cheapest month in which you can book a flight from St. John's to Mississauga (average of C$ 154). Flying from St. John's to Mississauga in June is currently the most expensive (average of C$ 276). 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 28 October 2025.

One of the essential ways to save on airfare from St. John's to Mississauga is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 42% on airfare.

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 Friday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 28 October 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
8.0
Very good
384 reviews
Check prices

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.6

Entertainment

7.0

Crew

8.6

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
8.0
Very good
384 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.6

Entertainment

7.0

Crew

8.6

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 Transat
7.8
Good
469 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.6

Entertainment

7.0

Crew

8.6

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.
WestJet
7.2
Good
3,148 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.6

Entertainment

7.0

Crew

8.6

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
10,370 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.6

Entertainment

7.0

Crew

8.6

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'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 12 outbound flights to Mississauga per day.

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

    For as low as C$ 329, 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: Delta (93%), Emirates (92%), ITA Airways( 91%).

  • 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$ 730, our data shows the cheapest flight currently is C$ 174. When looking at the most popular route, (St John's - Toronto Pearson Intl), you can expect to pay C$ 319 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, September is the cheapest month in which you can book a flight from St. John's to Mississauga (average of C$ 154). Flying from St. John's to Mississauga in June is currently the most expensive (average of C$ 276). 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 28 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 239AverageC$ 570FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 250AverageC$ 372FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
WestJetCheapestC$ 256AverageC$ 435FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air TransatCheapestC$ 267AverageC$ 434FlexibilityNo 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?

Yes! Cheapflights helps users easily find flights from St. John's to Mississauga with no change fees.

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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