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Key West

$172+ Cheap flights from Ontario to Key West (EYW)

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 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — EYW
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Ontario to Key West

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 December 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/273:25 pmYYZ - EYW
1 stop16h 50mMultiple Airlines
Wed 12/317:47 amEYW - YYZ
1 stop13h 32mMultiple Airlines
Deal found 12/17$519
This United Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/278:55 pmYYZ - EYW
2 stops14h 46mUnited Airlines
Wed 12/315:10 pmEYW - YYZ
2 stops15h 07mUnited Airlines
Deal found 12/17$854
This Kiwi.com deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2611:30 pmYYZ - EYW
2 stops32h 45mMultiple Airlines
Fri 1/22:30 pmEYW - YYZ
1 stop7h 42mMultiple Airlines
Deal found 12/17$885
This Kiwi.com deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:30 amYYZ - EYW
2 stops31h 00mMultiple Airlines
Thu 1/18:55 amEYW - YYZ
1 stop15h 16mMultiple Airlines
Deal found 12/16$909
This American Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/227:08 amYUL - EYW
1 stop8h 49mAmerican Airlines
Mon 12/228:30 pmEYW - YUL
2 stops15h 50mAmerican Airlines
Deal found 12/15$910
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2610:00 amYYZ - EYW
1 stop6h 29mUnited Airlines
Thu 1/14:08 pmEYW - YYZ
1 stop7h 51mUnited Airlines
Deal found 12/16$935
This Kiwi.com deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:10 amYYZ - EYW
1 stop14h 48mWestJet
Fri 1/26:20 pmEYW - YYZ
1 stop16h 48mWestJet
Deal found 12/17$976
This FlightHub deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:20 pmYUL - EYW
1 stop16h 32mWestJet
Mon 12/2911:47 amEYW - YUL
1 stop5h 28mWestJet
Deal found 12/17$1,040
This Kiwi.com deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/262:40 pmYUL - EYW
2 stops16h 27mMultiple Airlines
Mon 12/292:30 pmEYW - YUL
1 stop25h 53mMultiple Airlines
Deal found 12/17$1,084
This American Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:00 amYYZ - EYW
2 stops9h 33mAmerican Airlines
Thu 1/111:47 amEYW - YYZ
2 stops7h 13mAmerican Airlines
Deal found 12/16$1,359
This American Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/267:00 amYYZ - EYW
2 stops8h 57mAmerican Airlines
Fri 1/28:00 amEYW - YYZ
2 stops9h 29mAmerican Airlines
Deal found 12/17$1,849

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 December 18, 2025.

Round-trip from

$275
(Kiwi.com)

One-way from

$172
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$769
From Ontario to Key West
Search Deals
One-way flight from Ontario to Key West
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($5 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 2,558,603 searches. Data last updated December 18, 2025.
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

Sat 1/31

2:15 pm-10:21 am

1 stop20h 06m

Key West

Sat 2/7

10:49 am-8:11 pm

2 stops9h 22m

$310

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Sat 3/7

8:20 pm-8:06 am

1 stop11h 46m

Key West

Thu 3/12

9:46 am-8:10 pm

2 stops10h 24m

$357

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sun 1/11

8:00 am-1:30 pm

1 stop29h 30m

Key West

Sun 1/18

12:51 pm-12:43 am

2 stops35h 52m

$363

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Fri 1/30

6:45 am-9:26 am

2 stops50h 41m

Key West

Fri 2/6

1:06 pm-12:30 am

1 stop11h 24m

$403

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Fri 1/30

7:00 am-1:30 pm

1 stop6h 30m

Key West

Fri 2/6

2:25 pm-11:28 am

1 stop21h 03m

$415

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sat 1/10

2:25 pm-11:29 am

2 stops21h 04m

Key West

Wed 1/14

6:06 pm-11:50 pm

1 stop5h 44m

$545

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Sat 1/31

4:20 pm-1:03 pm

2 stops20h 43m

Key West

Sat 2/7

6:05 pm-7:45 pm

2 stops25h 40m

$554

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Sun 1/11

6:10 am-11:29 am

1 stop5h 19m

Key West

Thu 1/15

6:06 pm-9:26 am

2 stops15h 20m

$581

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Sun 1/11

9:00 am-3:17 pm

1 stop6h 17m

Key West

Thu 1/15

6:05 pm-11:46 pm

1 stop5h 41m

$588

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Fri 1/30

7:50 am-7:40 pm

2 stops11h 50m

Key West

Fri 2/6

7:10 am-4:12 pm

2 stops9h 02m

$588

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 13 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?

    Key West (EYW), located 2.6 mi from the city center, is the airport you fly into when you book flights from Ontario to Key West.

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

    A quick flight from Region of Ontario to Key West can take about 20h 43m. United Airlines provides one of the quickest options available for as low as $554. The distance from Region of Ontario to Key West is about 1326 mi.

  • 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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