Cheap flights from Ontario to Key West from C$ 291

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 27/8. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — EYW
5 Aug — 12 Aug1
1 adult

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 31 July 2025.

Round-trip from

C$ 598

One-way from

C$ 302

Popular in

September

Cheapest in

October

Average price

C$ 927
Delta
  • Delta
  • 12/1-21/1
  • 4 total stops
  • 33h 16m total
  • Ontario to Key West
13/9
  • 13/9
  • 1 total stop
  • 22h 25m total
  • Ontario to Key West
Highest demand for flights based on searches. 8% potential increase in price (C$ 114 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease (C$ 70 potential savings vs. average RT price).
Average for round-trip flights in July 2025

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 31 July 2025.

Sat 22/118:15 p.m.YYZ - EYW
1 stop12h 00mMultiple Airlines
Mon 1/1212:32 p.m.EYW - YYZ
1 stop8h 47mMultiple Airlines
Deal found 28/7C$ 630
Tue 7/109:28 a.m.YUL - EYW
2 stops10h 38mDelta
Sat 18/107:40 a.m.EYW - YUL
2 stops15h 34mDelta
Deal found 29/7C$ 786
Sat 13/95:17 p.m.YYZ - EYW
1 stop18h 32mAmerican Airlines
Sat 20/95:08 p.m.EYW - YYZ
1 stop18h 51mAmerican Airlines
Deal found 30/7C$ 787
Fri 12/94:30 p.m.YYZ - EYW
2 stops21h 41mUnited Airlines
Fri 19/93:50 p.m.EYW - YYZ
2 stops18h 14mUnited Airlines
Deal found 29/7C$ 816
Wed 31/125:40 p.m.YUL - EYW
1 stop18h 11mAmerican Airlines
Wed 7/15:24 p.m.EYW - YUL
1 stop5h 21mAmerican Airlines
Deal found 30/7C$ 855
Thu 9/106:00 a.m.YUL - EYW
1 stop8h 29mUnited Airlines
Tue 14/103:12 p.m.EYW - YUL
1 stop6h 54mUnited Airlines
Deal found 29/7C$ 879
Fri 10/106:41 p.m.YUL - EYW
1 stop25h 25mWestJet
Tue 14/107:40 a.m.EYW - YUL
1 stop9h 54mWestJet
Deal found 29/7C$ 894
Fri 12/96:15 a.m.YYZ - EYW
1 stop11h 00mWestJet
Sun 14/97:00 a.m.EYW - YYZ
1 stop14h 51mWestJet
Deal found 31/7C$ 900
Sat 16/812:14 p.m.YYZ - EYW
2 stops7h 58mDelta
Sat 23/87:00 a.m.EYW - YYZ
2 stops14h 08mDelta
Deal found 28/7C$ 906
Tue 19/86:45 a.m.YUL - EYW
3 stops26h 37mMultiple Airlines
Fri 22/810:02 a.m.EYW - YUL
2 stops26h 23mMultiple Airlines
Deal found 30/7C$ 1,001

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 31 July 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

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Mon 12/1

7:45 p.m.-5:12 p.m.

2 stops21h 27m

Key West

Wed 21/1

7:00 a.m.-6:49 p.m.

2 stops11h 49m

C$ 598

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Sat 22/11

8:15 p.m.-8:15 a.m.

1 stop12h 00m

Key West

Mon 1/12

12:32 p.m.-9:19 p.m.

1 stop8h 47m

C$ 630

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Sat 13/9

5:17 p.m.-11:49 a.m.

1 stop18h 32m

Key West

Sat 20/9

5:08 p.m.-11:59 a.m.

1 stop18h 51m

C$ 787

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Fri 12/9

4:30 p.m.-2:11 p.m.

2 stops21h 41m

Key West

Fri 19/9

3:50 p.m.-10:04 a.m.

2 stops18h 14m

C$ 816

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Fri 23/1

7:00 a.m.-12:46 p.m.

1 stop5h 46m

Key West

Fri 30/1

12:23 p.m.-8:18 p.m.

1 stop7h 55m

C$ 829

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Tue 6/1

5:40 p.m.-11:50 a.m.

1 stop18h 10m

Key West

Wed 14/1

5:21 p.m.-10:45 p.m.

1 stop5h 24m

C$ 855

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Fri 10/10

6:41 p.m.-8:06 p.m.

1 stop25h 25m

Key West

Thu 16/10

12:22 p.m.-11:31 a.m.

1 stop23h 09m

C$ 898

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Fri 12/9

6:15 a.m.-5:15 p.m.

1 stop11h 00m

Key West

Sun 14/9

7:00 a.m.-9:51 p.m.

1 stop14h 51m

C$ 900

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Sat 16/8

12:14 p.m.-8:12 p.m.

2 stops7h 58m

Key West

Sat 23/8

7:00 a.m.-9:08 p.m.

2 stops14h 08m

C$ 906

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Wed 27/8

9:50 a.m.-1:07 p.m.

1 stop27h 17m

C$ 291

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/7

Showing 1-10 of 17 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 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 31 July 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Key West as you normally would.

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 31 July 2025.
See what other customers who have flown with Delta,United Airlines, andAmerican Airlines from Ontario to Key West have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

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.
8.0
Very good

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

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.

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

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.

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

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.

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

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?

    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.

  • What are the cheapest airlines to fly from Region of Ontario to Key West one-way?

    For one-way options, check prices for Delta. According to our data, you can fly for as low as C$ 454. Users have also found prices from C$ 519 and C$ 794 on WestJet and United Airlines, respectively.

  • What are the most popular routes 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.

Top 3 airlines flying from Ontario to Key West

Discover the top 3 airlines 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 31 July 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 678AverageC$ 792FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapestC$ 701AverageC$ 925FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 788AverageC$ 936FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

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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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