HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Key West

$179+ 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 3/24. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — EYW
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Key West with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 February 20, 2025.

Round-trip from

$306
(Kiwi.com)

One-way from

$179
(Trip.com)

Popular in

June

Cheapest in

January

Average price

$648
From Ontario to Key West
Search Deals
One-way flight from Ontario to Key West
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($52 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

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 February 20, 2025.

This Kiwi.com deal was found by Cheapflights users on 2/19. 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.
Mon 3/177:10 amYYZ - EYW
1 stop7h 10mMultiple Airlines
Mon 3/245:08 pmEYW - YYZ
1 stop18h 37mMultiple Airlines
Deal found 2/19$306
This Kiwi.com deal was found by Cheapflights users on 2/20. 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.
Thu 3/136:45 amYUL - EYW
2 stops12h 10mMultiple Airlines
Wed 3/1910:55 amEYW - YUL
1 stop6h 45mMultiple Airlines
Deal found 2/20$343
This United Airlines deal was found by Cheapflights users on 2/19. 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 4/18:20 amYYZ - EYW
2 stops34h 35mUnited Airlines
Wed 4/307:40 pmEYW - YYZ
2 stops17h 06mUnited Airlines
Deal found 2/19$440
This Delta deal was found by Cheapflights users on 2/20. 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.
Tue 3/116:00 amYUL - EYW
2 stops11h 20mDelta
Tue 3/181:30 pmEYW - YUL
1 stop20h 57mDelta
Deal found 2/20$477
This United Airlines deal was found by Cheapflights users on 2/20. 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 2/259:15 amYUL - EYW
2 stops24h 55mUnited Airlines
Mon 3/37:40 pmEYW - YUL
2 stops22h 10mUnited Airlines
Deal found 2/20$508
This American Airlines deal was found by Cheapflights users on 2/19. 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.
Sat 7/55:55 pmYYZ - EYW
1 stop19h 03mAmerican Airlines
Sat 7/195:06 pmEYW - YYZ
1 stop17h 04mAmerican Airlines
Deal found 2/19$586
This Delta deal was found by Cheapflights users on 2/19. 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 2/207:55 amYYZ - EYW
2 stops9h 24mDelta
Thu 2/277:00 amEYW - YYZ
2 stops9h 08mDelta
Deal found 2/19$633
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Tue 3/115:40 pmYUL - EYW
1 stop20h 04mAmerican Airlines
Fri 3/142:15 pmEYW - YUL
1 stop19h 55mAmerican Airlines
Deal found 2/20$641
This WestJet deal was found by Cheapflights users on 2/20. 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.
Sun 3/166:15 amYYZ - EYW
1 stop12h 22mWestJet
Fri 3/217:00 amEYW - YYZ
1 stop28h 09mWestJet
Deal found 2/20$663
This FlightHub deal was found by Cheapflights users on 2/19. 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.
Mon 4/2112:38 pmYUL - EYW
1 stop7h 52mWestJet
Sun 4/276:13 pmEYW - YUL
1 stop22h 29mWestJet
Deal found 2/19$683

Find flights from Ontario to Key West within your budget

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 February 20, 2025.

Fly from

Ontario

Fly to

Key West

Route

Depart

Return

Price

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Mon 3/17

7:10 am-2:20 pm

1 stop7h 10m

Key West

Mon 3/24

5:08 pm-11:45 am

1 stop18h 37m

$306

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Thu 3/13

6:45 am-6:55 pm

2 stops12h 10m

Key West

Wed 3/19

10:55 am-5:40 pm

1 stop6h 45m

$343

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Tue 4/1

8:20 am-6:55 pm

2 stops34h 35m

Key West

Wed 4/30

7:40 pm-12:46 pm

2 stops17h 06m

$440

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Tue 3/11

11:25 am-12:50 pm

1 stop25h 25m

Key West

Tue 3/18

1:30 pm-10:27 am

1 stop20h 57m

$477

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sat 3/8

4:45 pm-9:10 am

2 stops16h 25m

Key West

Thu 3/13

3:59 pm-8:23 am

2 stops16h 24m

$523

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Tue 3/11

5:40 pm-1:44 pm

1 stop20h 04m

Key West

Fri 3/14

2:15 pm-10:10 am

1 stop19h 55m

$641

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Sun 3/16

6:15 am-6:37 pm

1 stop12h 22m

Key West

Fri 3/21

7:00 am-11:09 am

1 stop28h 09m

$663

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Mon 4/21

12:38 pm-8:30 pm

1 stop7h 52m

Key West

Sun 4/27

6:13 pm-4:42 pm

1 stop22h 29m

$683

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Sun 3/23

6:15 am-12:50 pm

1 stop6h 35m

Key West

Sun 3/30

7:00 am-8:31 pm

2 stops13h 31m

$708

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Mon 3/24

10:15 am-5:15 pm

1 stop7h 00m

$179

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 12 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.

Travel insights for flights from Ontario to Key West

Get recent, data-driven insights about flights from Ontario to Key West including ideal travel times, pricing trends, and more.

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 $510). 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 February 20, 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 February 20, 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
8,220 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

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
8,220 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

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
8,766 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

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
8,220 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

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
2,801 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

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 $510). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Key West

See prices for flight routes from nearby airports that may be better suited for you.
Pierre Elliott Trudeau Intl to Fort Lauderdale flights
Pearson Intl to Fort Lauderdale flights
Pierre Elliott Trudeau Intl to Miami flights
Pearson Intl to Miami flights
Pearson Intl to Orlando flights
Pierre Elliott Trudeau Intl to Orlando flights
Toronto Island to Fort Lauderdale flights
Pearson Intl to Tampa flights
Toronto Island to Orlando flights
Pearson Intl to West Palm Beach flights
Vancouver Intl to Orlando flights
Pearson Intl to Fort Myers flights
Halifax to Orlando flights
Québec City to Fort Lauderdale flights
Vancouver Intl to Miami flights
Calgary to Orlando flights
Ottawa to Fort Lauderdale flights
Toronto Island to Miami flights
Ottawa to Orlando flights
Pierre Elliott Trudeau Intl to West Palm Beach flights
Ottawa to Tampa flights
Pierre Elliott Trudeau Intl to Tampa flights
Vancouver Intl to Fort Lauderdale flights
Region of Waterloo Intl to Orlando flights
Pearson Intl to Sarasota flights
Québec City to Orlando flights
Calgary to Miami flights
Winnipeg to Orlando flights
Pierre Elliott Trudeau Intl to Fort Myers flights
St. John's to Orlando flights
Vancouver Intl to Tampa flights
Ottawa to Fort Myers flights
Halifax to Tampa flights
Calgary to Fort Lauderdale flights
Edmonton to Orlando flights
Ottawa to Miami flights
Halifax to Fort Lauderdale flights
Abbotsford to Orlando flights
Québec City to Miami flights
Winnipeg to Fort Lauderdale flights
Pearson Intl to Jacksonville flights
Pearson Intl to Daytona Beach flights
Moncton to Orlando flights
Pierre Elliott Trudeau Intl to Sarasota flights
Calgary to Tampa flights
Ottawa to Sarasota flights
Winnipeg to Miami flights
Halifax to Miami flights

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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$456Average$652FlexibilityNo cancel feeOn-time71%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.