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Cheap flights from Ontario to Florida Keys from C$ 233

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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — EYW
8 Aug — 15 Aug1
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 9 July 2026.

Tue 18/86:30 p.m.
YUL
-
MIA
Nonstop3h 41m
Air Canada
Tue 25/88:15 a.m.
MIA
-
YUL
Nonstop3h 28m
Air Canada
Deal found 4/7C$ 384
Sun 30/88:55 a.m.
YYZ
-
MIA
Nonstop3h 18m
Air Canada
Tue 8/91:15 p.m.
MIA
-
YYZ
Nonstop3h 09m
Air Canada
Deal found 8/7C$ 388
Wed 12/86:30 p.m.
YUL
-
MIA
Nonstop3h 41m
Air Canada
Tue 25/88:15 a.m.
MIA
-
YUL
Nonstop3h 28m
Air Canada
Deal found 8/7C$ 393
Wed 16/1212:00 p.m.
YYZ
-
MIA
Nonstop3h 29m
Air Canada
Sat 9/18:55 p.m.
MIA
-
YYZ
Nonstop3h 24m
Air Canada
Deal found 6/7C$ 397
Mon 10/88:55 a.m.
YYZ
-
MIA
Nonstop3h 18m
Air Canada
Mon 17/89:45 p.m.
MIA
-
YYZ
Nonstop3h 14m
Air Canada
Deal found 7/7C$ 398
Sun 6/128:15 a.m.
YUL
-
MIA
Nonstop4h 06m
Air Canada
Fri 18/128:00 a.m.
MIA
-
YUL
Nonstop3h 32m
Air Canada
Deal found 7/7C$ 400
Sun 6/127:40 a.m.
YYZ
-
MIA
Nonstop3h 29m
Air Canada
Mon 7/129:15 p.m.
MIA
-
YYZ
Nonstop3h 18m
Air Canada
Deal found 8/7C$ 401
Mon 17/82:10 p.m.
YUL
-
MIA
1 stop6h 38m
Air Canada
Tue 25/88:15 a.m.
MIA
-
YUL
Nonstop3h 28m
Air Canada
Deal found 8/7C$ 401
Mon 31/88:55 a.m.
YYZ
-
MIA
Nonstop3h 18m
Air Canada
Wed 7/101:15 p.m.
MIA
-
YYZ
Nonstop3h 15m
Air Canada
Deal found 8/7C$ 403
Mon 24/810:40 a.m.
YUL
-
MIA
2 stops10h 08m
Air Canada
Thu 27/87:55 a.m.
MIA
-
YUL
Nonstop3h 35m
Air Canada
Deal found 8/7C$ 407
Tue 11/85:30 p.m.
YYZ
-
MIA
Nonstop3h 18m
Air Canada
Tue 18/81:10 p.m.
MIA
-
YYZ
Nonstop3h 19m
Air Canada
Deal found 6/7C$ 408
Tue 18/88:55 a.m.
YYZ
-
MIA
Nonstop3h 18m
Air Canada
Tue 25/81:10 p.m.
MIA
-
YYZ
Nonstop3h 19m
Air Canada
Deal found 4/7C$ 410

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 9 July 2026.

Round-trip from

C$ 384

One-way from

C$ 233

Popular in

August

Cheapest in

June

Average price

C$ 552
Air Canada
  • Air Canada
  • 18/8-25/8
  • Nonstop
  • 7h 09m total
  • Ontario to Florida Keys
Search Deals
Porter Airlines
  • Porter Airlines
  • 8/11
  • Nonstop
  • 3h 30m total
  • Ontario to Florida Keys
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 13 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 9 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

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Fri 24/7

6:10 a.m.-10:27 p.m.

1 stop16h 17m

Miami

Wed 29/7

8:48 a.m.-4:10 p.m.

1 stop7h 22m

C$ 440

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Tue 18/8

7:00 a.m.-2:54 p.m.

1 stop7h 54m

Miami

Wed 26/8

6:00 a.m.-11:39 a.m.

1 stop5h 39m

C$ 440

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Tue 8/9

6:00 a.m.-2:46 p.m.

1 stop8h 46m

Miami

Sun 13/9

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

1 stop9h 09m

C$ 440

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Wed 5/8

2:29 p.m.-9:01 p.m.

1 stop6h 32m

Miami

Fri 7/8

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

1 stop9h 21m

C$ 440

TorontoMiami

YYZ - MIA

YYZMIA

Toronto Pearson Intl

Mon 28/9

6:34 p.m.-12:55 a.m.

1 stop6h 21m

Miami

Fri 2/10

6:00 p.m.-11:59 p.m.

1 stop5h 59m

C$ 444

TorontoMiami

YYZ - MIA

YYZMIA

Toronto Pearson Intl

Thu 20/8

7:00 a.m.-2:54 p.m.

1 stop7h 54m

Miami

Wed 26/8

12:17 p.m.-8:44 p.m.

1 stop8h 27m

C$ 444

TorontoMiami

YYZ - MIA

YYZMIA

Toronto Pearson Intl

Fri 24/7

6:34 p.m.-12:55 a.m.

1 stop6h 21m

Miami

Wed 29/7

10:40 a.m.-5:19 p.m.

1 stop6h 39m

C$ 444

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Tue 4/8

9:45 a.m.-10:27 p.m.

1 stop12h 42m

Miami

Mon 10/8

8:15 a.m.-11:43 a.m.

Nonstop3h 28m

C$ 476

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Wed 5/8

2:29 p.m.-9:01 p.m.

1 stop6h 32m

Miami

Wed 19/8

8:28 a.m.-6:54 p.m.

1 stop10h 26m

C$ 485

TorontoMiami

YYZ - MIA

YYZMIA

Toronto Pearson Intl

Thu 30/7

1:38 p.m.-11:39 p.m.

1 stop10h 01m

Miami

Wed 19/8

8:25 a.m.-5:19 p.m.

1 stop8h 54m

C$ 489

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/7

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, April is the cheapest month in which you can book a flight from Region of Ontario to Florida Keys (average of C$ 458). Flying from Region of Ontario to Florida Keys in September is currently the most expensive (average of C$ 758). 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 72 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 United Airlines, Delta, and Porter Airlines fly from Region of Ontario to Florida Keys in about 6h 02m. The time it takes to get you to your destination can typically vary by up to 10h 15m. 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$ 178 and C$ 198, 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, April is the cheapest month in which you can book a flight from Region of Ontario to Florida Keys (average of C$ 458). Flying from Region of Ontario to Florida Keys in September is currently the most expensive (average of C$ 758). 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 9 July 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 773AverageC$ 1,002FlexibilityNo 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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