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Cheap flights from Ontario to Florida Keys from C$ 238

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 30/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — EYW
25 Aug — 1 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Florida Keys

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Florida Keys
Explore the most affordable flight options available from Ontario to Florida Keys. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 July 2026.

Mon 23/117:00 a.m.
YTZ
-
MIA
1 stop6h 02m
Porter Airlines
Mon 30/112:00 p.m.
MIA
-
YTZ
1 stop7h 58m
Porter Airlines
Deal found 22/7C$ 369
Mon 30/117:00 a.m.
YTZ
-
MIA
1 stop6h 02m
Porter Airlines
Mon 7/122:00 p.m.
MIA
-
YTZ
1 stop7h 58m
Porter Airlines
Deal found 21/7C$ 380
Thu 3/129:35 a.m.
YYZ
-
MIA
Nonstop3h 30m
Porter Airlines
Mon 14/122:05 p.m.
MIA
-
YYZ
Nonstop3h 20m
Porter Airlines
Deal found 22/7C$ 383
Tue 8/98:55 a.m.
YYZ
-
MIA
Nonstop3h 19m
Air Canada
Tue 15/91:10 p.m.
MIA
-
YYZ
Nonstop3h 09m
Air Canada
Deal found 25/7C$ 388
Tue 1/92:00 p.m.
YYZ
-
MIA
1 stop8h 11m
Air Canada
Tue 8/91:15 p.m.
MIA
-
YYZ
Nonstop3h 09m
Air Canada
Deal found 21/7C$ 396
Wed 19/88:55 a.m.
YYZ
-
MIA
Nonstop3h 18m
Air Canada
Wed 26/89:45 p.m.
MIA
-
YYZ
Nonstop3h 14m
Air Canada
Deal found 22/7C$ 400
Wed 2/95:30 p.m.
YYZ
-
MIA
Nonstop3h 18m
Air Canada
Tue 8/91:15 p.m.
MIA
-
YYZ
Nonstop3h 09m
Air Canada
Deal found 23/7C$ 404
Mon 23/119:35 a.m.
YYZ
-
MIA
Nonstop3h 30m
Porter Airlines
Mon 30/112:05 p.m.
MIA
-
YYZ
Nonstop3h 20m
Porter Airlines
Deal found 25/7C$ 409
Sun 6/129:35 a.m.
YYZ
-
MIA
Nonstop3h 30m
Porter Airlines
Mon 7/122:05 p.m.
MIA
-
YYZ
Nonstop3h 20m
Porter Airlines
Deal found 25/7C$ 411
Mon 16/117:00 a.m.
YTZ
-
MIA
1 stop6h 02m
Porter Airlines
Mon 30/112:00 p.m.
MIA
-
YTZ
1 stop7h 58m
Porter Airlines
Deal found 21/7C$ 411
Wed 19/812:20 p.m.
YTZ
-
MIA
2 stops9h 51m
Air Canada
Wed 26/88:15 a.m.
MIA
-
YTZ
1 stop7h 36m
Air Canada
Deal found 24/7C$ 414
Tue 8/96:30 p.m.
YUL
-
MIA
Nonstop3h 47m
Air Canada
Tue 15/97:55 a.m.
MIA
-
YUL
Nonstop3h 33m
Air Canada
Deal found 24/7C$ 424

Find flight deals from Ontario to Florida Keys

Keep the following information in mind while searching for Ontario to Florida Keys flight deals. Data was last updated 26 July 2026.

Round-trip from

C$ 369

One-way from

C$ 238

Popular in

August

Cheapest in

June

Average price

C$ 578
Porter Airlines
  • Porter Airlines
  • 23/11-30/11
  • 2 total stops
  • 14h 00m total
  • Ontario to Florida Keys
Search Deals
Air Canada
  • Air Canada
  • 30/9
  • 2 total stops
  • 11h 57m total
  • Ontario to Florida Keys
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 31 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Florida Keys 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 26 July 2026.
Use the filters below to find and compare flights from Ontario to Florida Keys that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoMiami

YYZ - MIA

YYZMIA

Toronto Pearson Intl

Wed 2/9

6:00 a.m.-2:54 p.m.

1 stop8h 54m

Miami

Tue 8/9

4:35 p.m.-11:59 p.m.

1 stop7h 24m

C$ 424

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Wed 19/8

6:00 a.m.-12:17 p.m.

1 stop6h 17m

Miami

Wed 26/8

8:25 a.m.-5:46 p.m.

1 stop9h 21m

C$ 447

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Fri 28/8

9:30 a.m.-6:30 p.m.

1 stop9h 00m

Miami

Wed 16/9

1:12 p.m.-11:27 p.m.

1 stop10h 15m

C$ 473

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Thu 13/8

6:51 p.m.-1:07 a.m.

1 stop6h 16m

Miami

Tue 18/8

2:08 p.m.-11:52 p.m.

1 stop9h 44m

C$ 473

TorontoMiami

YYZ - MIA

YYZMIA

Toronto Pearson Intl

Mon 11/1

12:05 p.m.-7:13 p.m.

1 stop7h 08m

Miami

Fri 15/1

8:00 a.m.-4:04 p.m.

1 stop8h 04m

C$ 475

TorontoMiami

YYZ - MIA

YYZMIA

Toronto Pearson Intl

Fri 25/9

5:04 p.m.-11:14 p.m.

1 stop6h 10m

Miami

Mon 5/10

4:35 p.m.-9:59 p.m.

1 stop5h 24m

C$ 475

TorontoMiami

YYZ - MIA

YYZMIA

Toronto Pearson Intl

Thu 22/10

1:34 p.m.-10:41 p.m.

1 stop9h 07m

Miami

Tue 27/10

7:00 a.m.-1:40 p.m.

1 stop6h 40m

C$ 476

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Tue 25/8

3:25 p.m.-11:44 p.m.

1 stop8h 19m

Miami

Tue 1/9

12:17 p.m.-9:26 p.m.

1 stop9h 09m

C$ 485

TorontoMiami

YYZ - MIA

YYZMIA

Toronto Pearson Intl

Thu 13/8

1:38 p.m.-10:51 p.m.

1 stop9h 13m

Miami

Tue 18/8

10:35 a.m.-5:19 p.m.

1 stop6h 44m

C$ 490
Quickest round-trip

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Wed 4/11

2:13 p.m.-9:38 p.m.

1 stop7h 25m

Miami

Wed 11/11

8:00 a.m.-11:32 a.m.

Nonstop3h 32m

C$ 495

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/7

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Ontario to Florida Keys

Have a flexible travel schedule? Discover the best time to fly to Florida Keys from Ontario 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 Ontario to Florida Keys

What is the cheapest month to book a flight from Region of Ontario to Florida Keys?

Currently, September is the cheapest month in which you can book a flight from Region of Ontario to Florida Keys (average of C$ 513). Flying from Region of Ontario to Florida Keys in August is currently the most expensive (average of C$ 631). 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.

How far ahead should I book a flight from Region of Ontario to Florida Keys?

The price you pay for your flight from Region of Ontario to Florida Keys may vary depending on when you book. For the best chance of a lower fare, look to book 44 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Florida Keys. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Region of Ontario to Florida Keys?

    Airlines like Delta, United Airlines, and Air Canada fly from Region of Ontario to Florida Keys in about 6h 41m. The time it takes to get you to your destination can typically vary by up to 2h 13m. The distance between Region of Ontario and Florida Keys is about 1983 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines to fly from Region of Ontario to Florida Keys one-way?

    C$ 133 is the cheapest one-way deal found within the past few days, from Flair Airlines. You may also be able to find cheap deals on Porter Airlines and Air Canada, with prices starting from C$ 170 and C$ 197, respectively.

  • Can I find deals for flights from Ontario to Florida Keys that include hotel bookings?

    Yes. In addition to deals on Ontario to Florida Keys flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Florida Keys?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Florida Keys.

  • Can I find deals for business class flights from Ontario to Florida Keys?

    Yes. Cheapflights offers flight deals from Ontario to Florida Keys 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 Region of Ontario to Florida Keys?

    Currently, September is the cheapest month in which you can book a flight from Region of Ontario to Florida Keys (average of C$ 513). Flying from Region of Ontario to Florida Keys in August is currently the most expensive (average of C$ 631). 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

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Alternative routes for Ontario to Florida Keys

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Ontario to Florida Keys

Discover the top airline that operate flights from Ontario to Florida Keys. 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 26 July 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 768AverageC$ 996FlexibilityNo cancel feeOn-time60%
Search WestJet 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 Ontario to Florida Keys?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ontario to Florida Keys. 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 Ontario to Florida Keys?

Millions of users choose and trust Cheapflights to book the best flight deals from Ontario to Florida Keys for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Ontario to Florida Keys with no change fees?

Yes! Cheapflights helps users easily find flights from Ontario to Florida Keys with no change fees.

Can Cheapflights notify me if prices for flights from Ontario to Florida Keys become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Florida Keys from Ontario today and book when prices fit your budget.

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