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Cheap flights from Ontario to Key West from C$ 340

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 19/7. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — EYW
10 Jul — 17 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Key West

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Key West
Explore the most affordable flight options available from Ontario to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 June 2026.

Thu 16/77:45 a.m.
YYZ
-
EYW
1 stop27h 42m
Multiple Airlines
Thu 23/712:05 p.m.
EYW
-
YYZ
2 stops29h 04m
Multiple Airlines
Deal found 9/6C$ 559
Thu 16/77:45 a.m.
YYZ
-
EYW
1 stop27h 42m
Multiple Airlines
Mon 20/712:07 p.m.
EYW
-
YYZ
1 stop7h 58m
Multiple Airlines
Deal found 9/6C$ 580
Wed 15/77:45 a.m.
YYZ
-
EYW
1 stop27h 40m
Multiple Airlines
Mon 20/712:07 p.m.
EYW
-
YYZ
1 stop7h 58m
Multiple Airlines
Deal found 9/6C$ 611
Tue 14/76:30 a.m.
YYZ
-
EYW
2 stops28h 36m
Multiple Airlines
Mon 20/712:07 p.m.
EYW
-
YYZ
1 stop7h 58m
Multiple Airlines
Deal found 9/6C$ 623
Mon 13/79:30 a.m.
YYZ
-
EYW
2 stops27h 04m
Multiple Airlines
Mon 20/712:07 p.m.
EYW
-
YYZ
1 stop7h 58m
Multiple Airlines
Deal found 9/6C$ 632
Sun 12/77:30 a.m.
YYZ
-
EYW
2 stops26h 11m
Multiple Airlines
Mon 20/712:07 p.m.
EYW
-
YYZ
1 stop7h 58m
Multiple Airlines
Deal found 9/6C$ 633
Thu 10/1210:55 a.m.
YYZ
-
EYW
1 stop23h 24m
Multiple Airlines
Wed 6/112:19 p.m.
EYW
-
YYZ
1 stop9h 00m
Multiple Airlines
Deal found 7/6C$ 640
Sun 12/77:30 a.m.
YYZ
-
EYW
2 stops11h 43m
Multiple Airlines
Thu 23/712:05 p.m.
EYW
-
YYZ
1 stop28h 40m
Multiple Airlines
Deal found 9/6C$ 678
Wed 15/77:45 a.m.
YYZ
-
EYW
1 stop27h 40m
Multiple Airlines
Thu 23/77:53 p.m.
EYW
-
YYZ
1 stop19h 02m
Multiple Airlines
Deal found 9/6C$ 686
Sat 18/74:50 p.m.
YYZ
-
EYW
1 stop18h 35m
Multiple Airlines
Thu 23/712:05 p.m.
EYW
-
YYZ
2 stops29h 04m
Multiple Airlines
Deal found 9/6C$ 687
Tue 14/77:10 a.m.
YUL
-
EYW
1 stop11h 56m
American Airlines
Tue 28/711:28 a.m.
EYW
-
YUL
1 stop11h 58m
American Airlines
Deal found 8/6C$ 880
Fri 23/106:00 a.m.
YUL
-
EYW
1 stop7h 29m
United Airlines
Fri 30/102:30 p.m.
EYW
-
YUL
1 stop7h 10m
United Airlines
Deal found 7/6C$ 901

Find flight deals from Ontario to Key West

Keep the following information in mind while searching for Ontario to Key West flight deals. Data was last updated 10 June 2026.

Round-trip from

C$ 559

One-way from

C$ 340
16/7-23/7
  • 16/7-23/7
  • 3 total stops
  • 56h 46m total
  • Ontario to Key West
Search Deals
19/7
  • 19/7
  • 1 total stop
  • 27h 42m total
  • Ontario to Key West
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Key West 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 10 June 2026.
Use the filters below to find and compare flights from Ontario to Key West that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Fri 17/7

7:55 a.m.-7:51 p.m.

2 stops11h 56m

Key West

Wed 22/7

7:50 a.m.-11:44 p.m.

2 stops15h 54m

C$ 865

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Sat 11/7

6:00 a.m.-7:23 p.m.

1 stop13h 23m

Key West

Sat 18/7

11:31 a.m.-11:22 p.m.

1 stop11h 51m

C$ 880

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Fri 17/7

7:55 a.m.-7:51 p.m.

2 stops11h 56m

Key West

Mon 20/7

2:24 p.m.-11:58 p.m.

1 stop9h 34m

C$ 881

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Sat 18/7

6:00 a.m.-12:09 p.m.

1 stop6h 09m

Key West

Wed 22/7

7:50 a.m.-11:44 p.m.

2 stops15h 54m

C$ 881

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Sat 31/10

6:00 a.m.-7:43 p.m.

2 stops13h 43m

Key West

Sat 7/11

7:00 a.m.-12:17 p.m.

1 stop5h 17m

C$ 887

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Sat 31/10

11:30 a.m.-5:11 p.m.

1 stop5h 41m

Key West

Sun 1/11

6:00 p.m.-11:14 a.m.

2 stops17h 14m

C$ 894

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Tue 27/10

7:45 a.m.-1:08 p.m.

1 stop5h 23m

Key West

Fri 30/10

6:00 p.m.-11:14 a.m.

2 stops17h 14m

C$ 895

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sat 24/10

6:00 a.m.-1:29 p.m.

1 stop7h 29m

Key West

Fri 30/10

2:30 p.m.-9:40 p.m.

1 stop7h 10m

C$ 901

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Mon 26/10

7:00 a.m.-1:02 p.m.

1 stop6h 02m

Key West

Fri 30/10

2:30 p.m.-9:40 p.m.

1 stop7h 10m

C$ 901

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Tue 21/7

11:40 a.m.-7:51 p.m.

1 stop8h 11m

Key West

Tue 28/7

6:18 p.m.-11:58 p.m.

1 stop5h 40m

C$ 902

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/6

Showing 1-10 of 37 resultsSorted by cheapest first
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Best time to book a flight from Ontario to Key West

Have a flexible travel schedule? Discover the best time to fly to Key West 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 Key West
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Key West. 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 into for flights to Key West from Ontario?

    If you book a flight to Key West from Ontario, you will be flying to Key West, which is the city’s only airport. Key West (EYW) is located 4.2 km from the centre of Key West.

  • How long is the flight from Region of Ontario to Key West?

    Delta, American Airlines, and United Airlines can get you from Region of Ontario to Key West in just under 7h 29m. Your travel time can differ by up to 5h 54m. Airlines will cover a distance of 2432 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from Region of Ontario to Key West?

    Most travellers choose Toronto Island - Key West, Toronto Pearson Intl - Key West or Montreal Pierre Elliott Trudeau Intl - Key West when deciding on the best route from Region of Ontario to Key West.

  • Can I find deals for flights from Ontario to Key West that include hotel bookings?

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

  • How can I find direct flights from Ontario to Key West?

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

  • Can I find deals for business class flights from Ontario to Key West?

    Yes. Cheapflights offers flight deals from Ontario to Key West 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

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Alternative routes for Ontario to Key West

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 Key West

Discover the top airline that operate flights from Ontario to Key West. 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 10 June 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 760AverageC$ 985FlexibilityNo 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 Key West?

Cheapflights makes it easy to find Ontario to Key West flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Key West?

Cheapflights helps you find that perfect flight to Key West from Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Ontario to Key West with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ontario to Key West flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Ontario to Key West become cheaper?

Yes, Cheapflights offers price alerts on Ontario to Key West flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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