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Cheap flights from Ontario to Florida Keys from C$ 231

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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — EYW
7 Aug — 14 Aug1
1 adult

Cheap 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 2 August 2025.

Round-trip from

C$ 342

One-way from

C$ 231

Popular in

December

Cheapest in

January

Average price

C$ 536
Air Canada
  • Air Canada
  • 19/8-26/8
  • Nonstop
  • 7h 17m total
  • Ontario to Florida Keys
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6/9
  • 6/9
  • 1 total stop
  • 24h 54m total
  • Ontario to Florida Keys
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. 2% potential price decrease (C$ 13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
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Find flight deals from Ontario to Florida Keys

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 2 August 2025.

Thu 16/109:30 a.m.YUL - MIA
Nonstop3h 50mAir Canada
Tue 21/102:20 p.m.MIA - YUL
Nonstop3h 40mAir Canada
Deal found 1/8C$ 342
Thu 14/82:35 p.m.YUL - MIA
2 stops7h 10mAmerican Airlines
Fri 15/86:35 a.m.MIA - YUL
1 stop8h 50mAmerican Airlines
Deal found 30/7C$ 369
Mon 22/96:20 p.m.YYZ - MIA
Nonstop3h 14mAir Canada
Sat 11/109:45 p.m.MIA - YYZ
Nonstop3h 16mAir Canada
Deal found 30/7C$ 375
Thu 4/94:00 p.m.YYZ - MIA
1 stop26h 28mMultiple Airlines
Mon 8/912:41 p.m.MIA - YYZ
1 stop8h 26mMultiple Airlines
Deal found 31/7C$ 387
Mon 18/83:25 p.m.YTZ - MIA
1 stop7h 51mAir Canada
Tue 2/97:55 a.m.MIA - YTZ
1 stop8h 50mAir Canada
Deal found 29/7C$ 418
Tue 5/81:55 a.m.YYZ - MIA
2 stops14h 10mAvianca
Mon 11/87:55 a.m.MIA - YYZ
1 stop14h 35mAvianca
Deal found 31/7C$ 423
Thu 4/91:35 p.m.YTZ - MIA
1 stop9h 07mMultiple Airlines
Thu 11/97:10 a.m.MIA - YTZ
1 stop9h 35mMultiple Airlines
Deal found 29/7C$ 424
Thu 21/81:15 p.m.YUL - MIA
1 stop9h 50mMultiple Airlines
Wed 27/87:55 a.m.MIA - YUL
Nonstop3h 36mMultiple Airlines
Deal found 30/7C$ 451
Mon 13/104:05 p.m.YOW - MIA
1 stop22h 37mMultiple Airlines
Sat 18/107:25 a.m.MIA - YOW
1 stop8h 31mMultiple Airlines
Deal found 30/7C$ 483
Wed 5/115:45 a.m.YXU - MIA
1 stop5h 41mAir Canada
Mon 10/119:05 p.m.MIA - YXU
1 stop11h 41mAir Canada
Deal found 31/7C$ 585
Fri 29/82:48 p.m.YOW - MIA
1 stop7h 57mUnited Airlines
Fri 5/98:30 a.m.MIA - YOW
1 stop8h 13mUnited Airlines
Deal found 30/7C$ 597
Mon 1/96:00 a.m.YOW - MIA
1 stop7h 11mAir Canada
Sun 7/97:45 a.m.MIA - YOW
1 stop14h 20mAir Canada
Deal found 30/7C$ 607

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 2 August 2025.
Use the filters below to find and compare flights from Ontario to Florida Keys that are best for you.

Fly from

Ontario

Fly to

Florida Keys

Route

Depart

Return

Price

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Tue 19/8

7:35 p.m.-11:16 p.m.

Nonstop3h 41m

Miami

Tue 26/8

7:55 a.m.-11:31 a.m.

Nonstop3h 36m

C$ 342

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Thu 14/8

2:35 p.m.-9:45 p.m.

2 stops7h 10m

Miami

Fri 15/8

6:35 a.m.-3:25 p.m.

1 stop8h 50m

C$ 369

TorontoMiami

YYZ - MIA

YYZMIA

Toronto Pearson Intl

Mon 22/9

6:20 p.m.-9:34 p.m.

Nonstop3h 14m

Miami

Sat 11/10

9:45 p.m.-1:01 a.m.

Nonstop3h 16m

C$ 375

TorontoMiami

YYZ - MIA

YYZMIA

Toronto Pearson Intl

Thu 4/9

4:00 p.m.-6:28 p.m.

1 stop26h 28m

Miami

Mon 8/9

12:41 p.m.-9:07 p.m.

1 stop8h 26m

C$ 387

TorontoMiami

YTZ - MIA

YTZMIA

Toronto Island

Mon 18/8

3:25 p.m.-11:16 p.m.

1 stop7h 51m

Miami

Tue 2/9

7:55 a.m.-4:45 p.m.

1 stop8h 50m

C$ 418

TorontoMiami

YTZ - MIA

YTZMIA

Toronto Island

Thu 4/9

1:35 p.m.-10:42 p.m.

1 stop9h 07m

Miami

Thu 11/9

7:10 a.m.-4:45 p.m.

1 stop9h 35m

C$ 424

MontrealMiami

YUL - MIA

YULMIA

Montreal Pierre Elliott Trudeau Intl

Thu 21/8

1:15 p.m.-11:05 p.m.

1 stop9h 50m

Miami

Wed 27/8

7:55 a.m.-11:31 a.m.

Nonstop3h 36m

C$ 451

OttawaMiami

YOW - MIA

YOWMIA

Ottawa

Mon 13/10

4:05 p.m.-2:42 p.m.

1 stop22h 37m

Miami

Sat 18/10

7:25 a.m.-3:56 p.m.

1 stop8h 31m

C$ 483

OttawaMiami

YOW - MIA

YOWMIA

Ottawa

Fri 29/8

2:48 p.m.-10:45 p.m.

1 stop7h 57m

Miami

Fri 5/9

8:30 a.m.-4:43 p.m.

1 stop8h 13m

C$ 597

OttawaMiami

YOW - MIA

YOWMIA

Ottawa

Mon 1/9

6:00 a.m.-1:11 p.m.

1 stop7h 11m

Miami

Sun 7/9

7:45 a.m.-10:05 p.m.

1 stop14h 20m

C$ 607

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/8

Showing 1-10 of 55 results
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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 time of day to fly from ON to EOA?

Find hourly flight availability from Ontario to Florida Keys. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 2 August 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Florida Keys as you normally would.

Reviews of airlines servicing Florida Keys

Get insights into the airlines that provide service to Florida Keys. 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 Florida Keys. Reviews last updated 2 August 2025.
See what other customers who have flown with Porter Airlines,Delta, andAir Transat from Ontario to Florida Keys have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
318 reviews
Check prices

Boarding

8.2

Crew

8.7

Food

7.6

Entertainment

7.0

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Porter Airlines
8.0
Very good
318 reviews
Porter Airlines
8.0
Very good
318 reviews
Check prices

Boarding

8.2

Crew

8.7

Food

7.6

Entertainment

7.0

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Delta
8.0
Very good
7,983 reviews
Porter Airlines
8.0
Very good
318 reviews
Check prices

Boarding

8.2

Crew

8.7

Food

7.6

Entertainment

7.0

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Air Transat
7.7
Good
424 reviews
Porter Airlines
8.0
Very good
318 reviews
Check prices

Boarding

8.2

Crew

8.7

Food

7.6

Entertainment

7.0

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
United Airlines
7.4
Good
8,904 reviews
Porter Airlines
8.0
Very good
318 reviews
Check prices

Boarding

8.2

Crew

8.7

Food

7.6

Entertainment

7.0

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
American Airlines
7.2
Good
10,000 reviews
Porter Airlines
8.0
Very good
318 reviews
Check prices

Boarding

8.2

Crew

8.7

Food

7.6

Entertainment

7.0

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

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.

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

    C$ 231 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on Porter Airlines and Air Transat, with prices starting from C$ 234 and C$ 260, 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.

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 3 airlines flying from Ontario to Florida Keys

Discover the top 3 airlines 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 2 August 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 677AverageC$ 791FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapestC$ 700AverageC$ 924FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 787AverageC$ 935FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

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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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