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Key West

$239+ 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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — EYW
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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Cheap 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 April 29, 2025.

Round-trip from

$376
(United Airlines)

One-way from

$239
(Kiwi.com)

Popular in

June

Cheapest in

May

Average price

$672
From Ontario to Key West
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One-way flight from Ontario to Key West
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High demand for flights, 4% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find 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 April 29, 2025.

This United Airlines deal was found by Cheapflights users on 4/29. 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.
Tue 6/246:10 amYYZ - EYW
2 stops31h 50mUnited Airlines
Fri 6/276:45 pmEYW - YYZ
2 stops22h 00mUnited Airlines
Deal found 4/29$421
This Trip.com deal was found by Cheapflights users on 4/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/249:35 amYYZ - EYW
1 stop8h 30mMultiple Airlines
Fri 6/271:00 pmEYW - YYZ
2 stops10h 55mMultiple Airlines
Deal found 4/29$447
This United Airlines deal was found by Cheapflights users on 4/29. 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 6/1311:23 amYUL - EYW
2 stops30h 42mUnited Airlines
Fri 6/206:45 pmEYW - YUL
2 stops22h 41mUnited Airlines
Deal found 4/29$458
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1911:39 amYYZ - EYW
1 stop8h 00mDelta
Tue 6/247:10 amEYW - YYZ
1 stop9h 56mDelta
Deal found 4/29$553
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Thu 5/1511:45 amYYZ - EYW
1 stop4h 55mAmerican Airlines
Tue 5/202:18 pmEYW - YYZ
1 stop7h 12mAmerican Airlines
Deal found 4/29$594
This FlightHub deal was found by Cheapflights users on 4/28. 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.
Sat 11/87:45 amYYZ - EYW
1 stop9h 27mWestJet
Sat 11/222:35 pmEYW - YYZ
1 stop7h 22mWestJet
Deal found 4/28$617
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1312:45 pmYUL - EYW
1 stop6h 54mDelta
Fri 6/206:29 pmEYW - YUL
1 stop5h 25mDelta
Deal found 4/29$625

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 April 29, 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

Tue 6/24

6:10 am-2:00 pm

2 stops31h 50m

Key West

Fri 6/27

6:45 pm-4:45 pm

2 stops22h 00m

$421

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Tue 6/24

9:35 am-6:05 pm

1 stop8h 30m

Key West

Fri 6/27

1:00 pm-11:55 pm

2 stops10h 55m

$447

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Fri 6/13

11:23 am-6:05 pm

2 stops30h 42m

Key West

Fri 6/20

6:45 pm-5:26 pm

2 stops22h 41m

$458

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Thu 6/19

11:39 am-7:39 pm

1 stop8h 00m

Key West

Tue 6/24

7:10 am-5:06 pm

1 stop9h 56m

$553

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Thu 5/15

11:45 am-4:40 pm

1 stop4h 55m

Key West

Tue 5/20

2:18 pm-9:30 pm

1 stop7h 12m

$594

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Fri 6/13

12:45 pm-7:39 pm

1 stop6h 54m

Key West

Fri 6/20

6:29 pm-11:54 pm

1 stop5h 25m

$625

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Sun 10/12

8:00 pm-11:52 am

1 stop15h 52m

$254

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Sun 10/12

7:35 pm-6:05 pm

2 stops22h 30m

$260

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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

What is the cheapest month to book a flight from Region of Ontario to Key West?

Currently, August is the cheapest month in which you can book a flight from Region of Ontario to Key West (average of $328). Flying from Region of Ontario to Key West in March is currently the most expensive (average of $493). 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.

What is the cheapest time of day to fly from ON to EYW?

Find hourly flight availability from Ontario to Key West. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 29, 2025.

When flying from Region of Ontario to Key West, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Key West by month

Plan your trip to Key West by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Key West ranges from 1.5 - 6.7 inches per month. September is typically the wettest month, when rainfall can reach 6.7 in. February is typically the driest time to visit Key West when rainfall is around 1.5 in.

Temperature in Key West by month

Plan your trip to Key West by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Key West, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 69.8 F).

Reviews of airlines servicing Key West

Get insights into the airlines that provide service to Key West. 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 Key West. Reviews last updated April 29, 2025.
Delta
8.0
Very good
7,936 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
4.0
Okay

Richard,Sep 2023

YYZ - ATL

Four hour delay (missing two screws). Seats in need of repair.
Delta
8.0
Very good
7,936 reviews
Delta
8.0
Very good
7,936 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
4.0
Okay

Richard,Sep 2023

YYZ - ATL

Four hour delay (missing two screws). Seats in need of repair.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,936 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
4.0
Okay

Richard,Sep 2023

YYZ - ATL

Four hour delay (missing two screws). Seats in need of repair.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,936 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
4.0
Okay

Richard,Sep 2023

YYZ - ATL

Four hour delay (missing two screws). Seats in need of repair.
WestJet
7.2
Good
2,826 reviews
Delta
8.0
Very good
7,936 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
4.0
Okay

Richard,Sep 2023

YYZ - ATL

Four hour delay (missing two screws). Seats in need of repair.

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.

  • 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.

  • What is the cheapest month to book a flight from Region of Ontario to Key West?

    Currently, August is the cheapest month in which you can book a flight from Region of Ontario to Key West (average of $328). Flying from Region of Ontario to Key West in March is currently the most expensive (average of $493). 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

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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 2,558,603 searches. Data last updated April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$456Average$620FlexibilityNo cancel feeOn-time71%

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