When did momondo last update prices for flights from Ontario to Key West Airport?

Prices for flights from Ontario to Key West Airport refresh daily.

How old do you have to be to fly from Ontario to Key West Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario to Key West Airport.

What documentation or ID do you need to fly to Key West Airport?

The required travel and health documents for your Key West Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Key West Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$308 Cheap Flights from Ontario to Key West in 2025/26

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0 bags

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Find the cheapest flights from Ontario to Key West

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:20 pm - 8:15 amYYZ-EYW

11h 55m1 stop

8:55 am - 8:10 pmEYW-YYZ

11h 15m2 stops

$308Multiple Airlines

Find Deal

Sat, Dec 6 - Fri, Dec 12

8:20 pm - 8:15 amYYZ-EYW

11h 55m1 stop

9:57 am - 9:19 pmEYW-YYZ

11h 22m1 stop

$320Multiple Airlines

Find Deal

Sat, Dec 6 - Fri, Dec 12

7:50 am - 7:42 pmYYZ-EYW

11h 52m2 stops

6:07 pm - 11:59 pmEYW-YYZ

5h 52m1 stop

$539Delta

Find Deal

Wed, Feb 11 - Tue, Feb 17

11:30 am - 6:30 pmYYZ-EYW

7h 00m2 stops

8:10 am - 3:00 pmEYW-YYZ

6h 50m1 stop

$575American Airlines

Find Deal

Tue, Mar 31 - Thu, Apr 2

10:05 am - 8:06 pmYYZ-EYW

10h 01m2 stops

6:10 pm - 11:59 pmEYW-YYZ

5h 49m1 stop

$577Delta

Find Deal

Sat, Dec 6 - Thu, Dec 11

8:55 pm - 1:51 pmYYZ-EYW

16h 56m2 stops

2:47 pm - 8:17 amEYW-YYZ

17h 30m2 stops

$586United Airlines

Find Deal

Sat, Dec 6 - Fri, Dec 12

7:00 am - 1:00 pmYUL-EYW

6h 00m1 stop

3:08 pm - 10:45 pmEYW-YUL

7h 37m1 stop

$596American Airlines

Find Deal

Wed, Mar 18 - Wed, Mar 25

8:55 pm - 1:51 pmYYZ-EYW

16h 56m2 stops

2:47 pm - 8:17 amEYW-YYZ

17h 30m2 stops

$650United Airlines

Find Deal

Sat, Dec 6 - Thu, Dec 11

6:45 am - 7:44 pmYUL-EYW

12h 59m2 stops

6:00 pm - 12:38 amEYW-YUL

30h 38m2 stops

$656WestJet

Find Deal

Wed, Mar 18 - Thu, Mar 26

6:45 am - 7:44 pmYUL-EYW

12h 59m2 stops

11:45 am - 12:38 amEYW-YUL

12h 53m2 stops

$661WestJet

Find Deal

Wed, Mar 18 - Wed, Mar 25

United Airlines flights from Region of Ontario to Key West

Our best United Airlines deals on Region of Ontario to Key West flight tickets

United Airlines

Dec 6

YYZ8:55 pmToronto Pearson Intl

16h 56m

2 stops

EYW1:51 pmKey West

Dec 12

EYW2:47 pmKey West

17h 30m

2 stops

YYZ8:17 amToronto Pearson Intl

$586

Find similar

United Airlines

Dec 6

YYZ8:55 pmToronto Pearson Intl

16h 56m

2 stops

EYW1:51 pmKey West

Dec 11

EYW2:47 pmKey West

17h 30m

2 stops

YYZ8:17 amToronto Pearson Intl

$650

Find similar

United Airlines

Dec 20

YYZ7:40 pmToronto Pearson Intl

16h 54m

2 stops

EYW12:34 pmKey West

Dec 27

EYW5:10 pmKey West

14h 21m

2 stops

YYZ7:31 amToronto Pearson Intl

$724

Find similar

WestJet flights from Region of Ontario to Key West

Our best WestJet deals on Region of Ontario to Key West flight tickets

WestJet

Mar 18

YUL6:45 amMontreal Pierre Elliott Trudeau Intl

12h 59m

2 stops

EYW7:44 pmKey West

Mar 26

EYW6:00 pmKey West

30h 38m

2 stops

YUL12:38 amMontreal Pierre Elliott Trudeau Intl

$656

Find similar

WestJet

Mar 18

YUL6:45 amMontreal Pierre Elliott Trudeau Intl

12h 59m

2 stops

EYW7:44 pmKey West

Mar 25

EYW11:45 amKey West

12h 53m

2 stops

YUL12:38 amMontreal Pierre Elliott Trudeau Intl

$661

Find similar

WestJet

Feb 11

YYZ12:21 pmToronto Pearson Intl

7h 21m

1 stop

EYW7:42 pmKey West

Feb 17

EYW11:59 amKey West

12h 00m

1 stop

YYZ11:59 pmToronto Pearson Intl

$667

Find similar

Fly from

Fly to

Route

Depart

Return

Price

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Sat 12/6

8:20 pm-8:15 am

1 stop11h 55m

Key West

Fri 12/12

8:55 am-8:10 pm

2 stops11h 15m

$308

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Sat 12/6

8:20 pm-8:15 am

1 stop11h 55m

Key West

Fri 12/12

9:57 am-9:19 pm

1 stop11h 22m

$320

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Wed 2/11

7:50 am-7:42 pm

2 stops11h 52m

Key West

Tue 2/17

6:07 pm-11:59 pm

1 stop5h 52m

$539

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Tue 3/31

11:30 am-6:30 pm

2 stops7h 00m

Key West

Thu 4/2

8:10 am-3:00 pm

1 stop6h 50m

$575

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Sat 12/6

10:05 am-8:06 pm

2 stops10h 01m

Key West

Thu 12/11

6:10 pm-11:59 pm

1 stop5h 49m

$577

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Sat 12/6

8:55 pm-1:51 pm

2 stops16h 56m

Key West

Fri 12/12

2:47 pm-8:17 am

2 stops17h 30m

$586

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Wed 3/18

7:00 am-1:00 pm

1 stop6h 00m

Key West

Wed 3/25

3:08 pm-10:45 pm

1 stop7h 37m

$596

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Sat 12/6

8:55 pm-1:51 pm

2 stops16h 56m

Key West

Thu 12/11

2:47 pm-8:17 am

2 stops17h 30m

$650

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Wed 3/18

6:45 am-7:44 pm

2 stops12h 59m

Key West

Thu 3/26

6:00 pm-12:38 am

2 stops30h 38m

$656

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Wed 3/18

6:45 am-7:44 pm

2 stops12h 59m

Key West

Wed 3/25

11:45 am-12:38 am

2 stops12h 53m

$661

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

How to get the cheapest flight ticket from Region of Ontario to Key West

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Key West?

On average, the least expensive day to fly to Key West from Region of Ontario is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $538. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Region of Ontario to Key West for around $667.

Cheap Region of Ontario to Key West flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to Key West

Direct flights	None

There are no direct flights from Region of Ontario to Key West. There are no popular flight routes from Region of Ontario to Key West.

Search flight deals

When did momondo last update prices for flights from Ontario to Key West Airport?
Prices for flights from Ontario to Key West Airport refresh daily.
How old do you have to be to fly from Ontario to Key West Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario to Key West Airport.
What documentation or ID do you need to fly to Key West Airport?
The required travel and health documents for your Key West Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Key West Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Big Pine Key

Little Torch Key

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Key West?

Finding the right flight to Key West from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Key West quick and easy, saving you time and money.

Can I find flights from Ontario to Key West with flexible booking policies on momondo?

Yes. All flights to Key West from Ontario on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Ontario to Key West?

momondo provides multiple filters to help you find the best flight to Key West from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Ontario to Key West right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Ontario to Key West flights. All you need is a valid email address and we will do the rest; it is that quick and easy.