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Key West

$159+ 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 7/26. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — EYW
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 junio 12, 2025.

Round-trip from

$267
(Kiwi.com)

One-way from

$159
(Trip.com)

Popular in

September

Cheapest in

October

Average price

$752
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, 2% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in June 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 junio 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
lun. 7/147:45 amYYZ - EYW
1 stop25h 37mMultiple Airlines
sáb. 7/193:58 pmEYW - YYZ
1 stop22h 31mMultiple Airlines
Deal found 6/10$267
This United Airlines deal was found by Cheapflights users on 6/11. 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.
sáb. 7/124:30 pmYYZ - EYW
2 stops19h 45mUnited Airlines
mié. 7/168:45 amEYW - YYZ
2 stops15h 13mUnited Airlines
Deal found 6/11$379
This Mytrip deal was found by Cheapflights users on 6/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 7/277:00 amYUL - EYW
3 stops33h 36mMultiple Airlines
dom. 8/34:20 pmEYW - YUL
3 stops29h 55mMultiple Airlines
Deal found 6/12$503
This American Airlines deal was found by Cheapflights users on 6/11. 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.
lun. 7/145:15 pmYYZ - EYW
1 stop18h 16mAmerican Airlines
mar. 7/227:51 pmEYW - YYZ
2 stops13h 58mAmerican Airlines
Deal found 6/11$546
This United Airlines deal was found by Cheapflights users on 6/11. 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.
vie. 8/2211:23 amYUL - EYW
2 stops30h 42mUnited Airlines
mar. 8/263:05 pmEYW - YUL
1 stop7h 01mUnited Airlines
Deal found 6/11$592
This Delta deal was found by Cheapflights users on 6/11. 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.
mié. 7/1611:29 amYYZ - EYW
1 stop6h 03mDelta
lun. 7/216:27 pmEYW - YYZ
1 stop5h 32mDelta
Deal found 6/11$598
This Delta deal was found by Cheapflights users on 6/11. 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.
vie. 8/226:00 amYUL - EYW
2 stops11h 27mDelta
mar. 8/262:00 pmEYW - YUL
2 stops7h 48mDelta
Deal found 6/11$601
This American Airlines deal was found by Cheapflights users on 6/11. 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.
vie. 8/227:50 amYUL - EYW
1 stop6h 01mAmerican Airlines
mar. 8/261:13 pmEYW - YUL
1 stop9h 22mAmerican Airlines
Deal found 6/11$610
This WestJet deal was found by Cheapflights users on 6/11. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/181:28 pmYYZ - EYW
1 stop28h 06mWestJet
mié. 6/2511:48 amEYW - YYZ
1 stop12h 10mWestJet
Deal found 6/11$727

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 junio 12, 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

lun. 7/14

7:45 am-9:22 am

1 stop25h 37m

Key West

sáb. 7/19

3:58 pm-2:29 pm

1 stop22h 31m

$267

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

sáb. 7/12

4:30 pm-12:15 pm

2 stops19h 45m

Key West

mié. 7/16

8:45 am-11:58 pm

2 stops15h 13m

$379

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

dom. 7/27

7:00 am-4:36 pm

3 stops33h 36m

Key West

dom. 8/3

4:20 pm-10:15 pm

3 stops29h 55m

$503

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

lun. 7/14

5:15 pm-11:31 am

1 stop18h 16m

Key West

mar. 7/22

7:51 pm-9:49 am

2 stops13h 58m

$546

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

vie. 8/22

11:23 am-6:05 pm

2 stops30h 42m

Key West

mar. 8/26

3:05 pm-10:06 pm

1 stop7h 01m

$592

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

mié. 7/16

11:29 am-5:32 pm

1 stop6h 03m

Key West

lun. 7/21

6:27 pm-11:59 pm

1 stop5h 32m

$598

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

vie. 8/22

6:00 am-5:27 pm

2 stops11h 27m

Key West

mar. 8/26

2:00 pm-9:48 pm

2 stops7h 48m

$601

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

vie. 8/22

7:50 am-1:51 pm

1 stop6h 01m

Key West

mar. 8/26

1:13 pm-10:35 pm

1 stop9h 22m

$610

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

jue. 8/28

7:45 am-5:25 pm

1 stop9h 40m

Key West

lun. 9/1

6:20 pm-12:10 pm

1 stop17h 50m

$756

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

sáb. 7/26

6:30 am-6:05 pm

1 stop11h 35m

$159

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 11 results
1
2

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 junio 12, 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 junio 12, 2025.
To help decide which airline to fly from Ontario to Key West, see what other customers have to say about Delta, United Airlines and American Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
2,868 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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

Browse thousands of different options on Cheapflights for your next trip

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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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$456Average$572FlexibilityNo cancel feeOn-time71%

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