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Cheap flights from Ontario to Key West from C$ 219

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 4/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — EYW
24 Mar — 31 Mar1
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 22 February 2026.

Sun 29/38:00 p.m.
YYZ
-
EYW
1 stop16h 26m
Multiple Airlines
Wed 1/411:51 a.m.
EYW
-
YYZ
1 stop12h 23m
Multiple Airlines
Deal found 19/2C$ 380
Sat 28/38:20 p.m.
YYZ
-
EYW
1 stop12h 46m
Multiple Airlines
Thu 2/49:46 a.m.
EYW
-
YYZ
1 stop14h 28m
Multiple Airlines
Deal found 19/2C$ 383
Sun 29/38:00 p.m.
YYZ
-
EYW
1 stop16h 26m
Multiple Airlines
Fri 3/49:49 a.m.
EYW
-
YYZ
1 stop13h 41m
Multiple Airlines
Deal found 19/2C$ 394
Sat 28/38:20 p.m.
YYZ
-
EYW
1 stop12h 46m
Multiple Airlines
Fri 3/49:49 a.m.
EYW
-
YYZ
1 stop13h 41m
Multiple Airlines
Deal found 19/2C$ 397
Mon 30/310:15 a.m.
YYZ
-
EYW
1 stop26h 06m
Multiple Airlines
Thu 2/49:46 a.m.
EYW
-
YYZ
1 stop14h 28m
Multiple Airlines
Deal found 19/2C$ 401
Sat 18/410:15 a.m.
YYZ
-
EYW
1 stop24h 06m
Multiple Airlines
Wed 22/411:51 a.m.
EYW
-
YYZ
1 stop12h 23m
Multiple Airlines
Deal found 18/2C$ 406
Mon 30/310:15 a.m.
YYZ
-
EYW
1 stop26h 06m
Multiple Airlines
Fri 3/49:49 a.m.
EYW
-
YYZ
1 stop13h 41m
Multiple Airlines
Deal found 19/2C$ 414
Mon 6/410:15 a.m.
YYZ
-
EYW
1 stop26h 06m
Multiple Airlines
Fri 10/42:35 p.m.
EYW
-
YYZ
1 stop8h 45m
Multiple Airlines
Deal found 21/2C$ 438
Mon 30/35:15 p.m.
YYZ
-
EYW
2 stops18h 15m
Multiple Airlines
Wed 1/411:51 a.m.
EYW
-
YYZ
1 stop12h 23m
Multiple Airlines
Deal found 19/2C$ 457
Tue 7/43:40 p.m.
YYZ
-
EYW
1 stop19h 50m
Multiple Airlines
Fri 10/41:06 p.m.
EYW
-
YYZ
1 stop11h 08m
Multiple Airlines
Deal found 18/2C$ 460
Fri 13/36:45 a.m.
YUL
-
EYW
1 stop6h 52m
Multiple Airlines
Fri 27/32:35 p.m.
EYW
-
YUL
1 stop10h 10m
Multiple Airlines
Deal found 19/2C$ 523
Mon 23/38:00 a.m.
YUL
-
EYW
1 stop27h 30m
Multiple Airlines
Mon 30/32:35 p.m.
EYW
-
YUL
2 stops33h 55m
Multiple Airlines
Deal found 21/2C$ 564

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 22 February 2026.

Round-trip from

C$ 380

One-way from

C$ 219

Popular in

March

Cheapest in

January

Average price

C$ 889
29/3-1/4
  • 29/3-1/4
  • 2 total stops
  • 28h 49m total
  • Ontario to Key West
Search Deals
4/4
  • 4/4
  • 1 total stop
  • 12h 46m total
  • Ontario to Key West
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 83 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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 22 February 2026.
Use the filters below to find and compare flights from Ontario to Key West that are best for you.

Fly from

Ontario

Fly to

Key West

Route

Depart

Return

Price

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Sun 29/3

8:00 p.m.-12:26 p.m.

1 stop16h 26m

Key West

Wed 1/4

11:51 a.m.-12:14 a.m.

1 stop12h 23m

C$ 380

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Sun 29/3

8:00 p.m.-12:26 p.m.

1 stop16h 26m

Key West

Fri 3/4

9:49 a.m.-11:30 p.m.

1 stop13h 41m

C$ 394

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Mon 30/3

10:15 a.m.-12:21 p.m.

1 stop26h 06m

Key West

Wed 1/4

11:51 a.m.-12:14 a.m.

1 stop12h 23m

C$ 401

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Mon 30/3

10:15 a.m.-12:21 p.m.

1 stop26h 06m

Key West

Thu 2/4

9:46 a.m.-12:14 a.m.

1 stop14h 28m

C$ 401

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Tue 7/4

3:40 p.m.-11:30 a.m.

1 stop19h 50m

Key West

Fri 10/4

1:06 p.m.-12:14 a.m.

1 stop11h 08m

C$ 460

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Sun 29/3

10:05 a.m.-9:09 a.m.

2 stops23h 04m

Key West

Thu 2/4

9:46 a.m.-12:14 a.m.

1 stop14h 28m

C$ 480

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Fri 13/3

6:45 a.m.-1:37 p.m.

1 stop6h 52m

Key West

Fri 27/3

2:35 p.m.-12:45 a.m.

1 stop10h 10m

C$ 523

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Sat 18/4

3:20 p.m.-9:06 a.m.

2 stops17h 46m

Key West

Wed 22/4

11:51 a.m.-12:14 a.m.

1 stop12h 23m

C$ 531

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Thu 12/3

6:20 p.m.-1:37 p.m.

2 stops19h 17m

Key West

Sun 15/3

12:25 p.m.-11:20 p.m.

1 stop10h 55m

C$ 691

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Fri 1/5

7:29 a.m.-1:21 p.m.

1 stop5h 52m

Key West

Tue 5/5

6:49 p.m.-11:44 a.m.

1 stop16h 55m

C$ 702

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/2

Showing 1-10 of 45 results
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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?

    American Airlines and Delta can get you from Region of Ontario to Key West in just under 5h 52m. Your travel time can differ by up to 4h 18m. 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 Pearson Intl - Key West, Montreal Pierre Elliott Trudeau Intl - Key West or Toronto Island - 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 22 February 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 778AverageC$ 967FlexibilityNo 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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