What is the cheapest airline that flies from Ontario to Key West?

Delta and American Airlines are the most popular carriers operating from Ontario to Key West

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

Prices for flights from Ontario to Key West Airport are updated 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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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 travel and health documents required for your trip to Key West Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Key West Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

C$ 246 Cheap Flights from Ontario to Key West in 2026

Find the cheapest flights from Ontario to Key West

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:15 a.m. - 3:09 p.m.YYZ Toronto Pearson Intl-EYW Key West

28h 54m1 stop Tampa

10:45 a.m. - 8:40 p.m.EYW Key West-YYZ Toronto Pearson Intl

9h 55m1 stop Tampa

C$ 445Multiple Airlines

Fri, 27 Nov - Wed, 2 Dec

4:50 p.m. - 11:25 a.m.YYZ Toronto Pearson Intl-EYW Key West

18h 35m1 stop Orlando

10:04 a.m. - 2:05 p.m.EYW Key West-YYZ Toronto Pearson Intl

28h 01m2 stops Tampa Fort Lauderdale

C$ 625Multiple Airlines

Sat, 5 Sep - Wed, 9 Sep

9:50 a.m. - 7:44 a.m.YYZ Toronto Pearson Intl-EYW Key West

21h 54m1 stop Orlando

12:52 p.m. - 2:05 p.m.EYW Key West-YYZ Toronto Pearson Intl

25h 13m2 stops Tampa St. Petersburg Fort Lauderdale

C$ 678Multiple Airlines

Thu, 15 Oct - Wed, 21 Oct

4:50 p.m. - 12:29 p.m.YYZ Toronto Pearson Intl-EYW Key West

19h 39m1 stop Tampa

10:45 a.m. - 8:17 p.m.EYW Key West-YYZ Toronto Pearson Intl

9h 32m2 stops Tampa New York LaGuardia

C$ 682Multiple Airlines

Fri, 27 Nov - Wed, 2 Dec

9:00 p.m. - 11:11 a.m.YYZ Toronto Pearson Intl-EYW Key West

14h 11m1 stop Chicago O'Hare Intl

2:00 p.m. - 9:34 p.m.EYW Key West-YYZ Toronto Pearson Intl

7h 34m1 stop Chicago O'Hare Intl

C$ 695United Airlines

Tue, 8 Dec - Wed, 9 Dec

9:00 p.m. - 11:11 a.m.YYZ Toronto Pearson Intl-EYW Key West

14h 11m1 stop Chicago O'Hare Intl

2:00 p.m. - 9:34 p.m.EYW Key West-YYZ Toronto Pearson Intl

7h 34m1 stop Chicago O'Hare Intl

C$ 696United Airlines

Tue, 8 Dec - Wed, 9 Dec

1:34 p.m. - 8:00 p.m.YYZ Toronto Pearson Intl-EYW Key West

6h 26m1 stop Atlanta Hartsfield-Jackson

7:40 a.m. - 5:18 p.m.EYW Key West-YYZ Toronto Pearson Intl

9h 38m1 stop Atlanta Hartsfield-Jackson

C$ 696WestJet

Tue, 29 Sep - Tue, 6 Oct

9:00 p.m. - 11:11 a.m.YYZ Toronto Pearson Intl-EYW Key West

14h 11m1 stop Chicago O'Hare Intl

2:00 p.m. - 9:34 p.m.EYW Key West-YYZ Toronto Pearson Intl

7h 34m1 stop Chicago O'Hare Intl

C$ 698United Airlines

Tue, 8 Dec - Wed, 9 Dec

12:44 p.m. - 8:02 p.m.YUL Montreal Pierre Elliott Trudeau Intl-EYW Key West

7h 18m1 stop Atlanta Hartsfield-Jackson

6:02 p.m. - 11:58 p.m.EYW Key West-YUL Montreal Pierre Elliott Trudeau Intl

5h 56m1 stop Atlanta Hartsfield-Jackson

C$ 702Delta

Tue, 17 Nov - Tue, 24 Nov

7:45 a.m. - 2:52 p.m.YYZ Toronto Pearson Intl-EYW Key West

7h 07m1 stop Atlanta Hartsfield-Jackson

7:40 a.m. - 5:18 p.m.EYW Key West-YYZ Toronto Pearson Intl

9h 38m1 stop Atlanta Hartsfield-Jackson

C$ 703Delta

Sat, 5 Sep - Wed, 9 Sep

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Delta flights from Region of Ontario to Key West

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

Delta

17 Nov

YUL12:44 p.m.Montreal Pierre Elliott Trudeau Intl

7h 18m

1 stop

EYW8:02 p.m.Key West

24 Nov

EYW6:02 p.m.Key West

5h 56m

1 stop

YUL11:58 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 702

Delta

26 Aug

YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl

10h 20m

1 stop

EYW5:20 p.m.Key West

2 Sep

EYW6:15 p.m.Key West

5h 37m

1 stop

YUL11:52 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 703

Delta

11 Nov

YUL12:44 p.m.Montreal Pierre Elliott Trudeau Intl

7h 18m

1 stop

EYW8:02 p.m.Key West

18 Nov

EYW7:35 a.m.Key West

9h 54m

1 stop

YUL5:29 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 705

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

8 Dec

YYZ9:00 p.m.Toronto Pearson Intl

14h 11m

1 stop

EYW11:11 a.m.Key West

9 Dec

EYW2:00 p.m.Key West

7h 34m

1 stop

YYZ9:34 p.m.Toronto Pearson Intl

C$ 695

United Airlines

8 Dec

YYZ9:00 p.m.Toronto Pearson Intl

14h 11m

1 stop

EYW11:11 a.m.Key West

9 Dec

EYW2:00 p.m.Key West

7h 34m

1 stop

YYZ9:34 p.m.Toronto Pearson Intl

C$ 698

United Airlines

8 Jan

YYZ8:35 a.m.Toronto Pearson Intl

6h 31m

1 stop

EYW3:06 p.m.Key West

8 Jan

EYW6:20 p.m.Key West

5h 08m

1 stop

YYZ11:28 p.m.Toronto Pearson Intl

C$ 737

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoKey West

YYZ Toronto Pearson Intl - EYW Key West

YYZEYW

Toronto Pearson Intl

Fri 27/11

10:15 a.m.-3:09 p.m.

1 stop28h 54m

Key West

Wed 2/12

10:45 a.m.-8:40 p.m.

1 stop9h 55m

C$ 445

TorontoKey West

YYZ Toronto Pearson Intl - EYW Key West

YYZEYW

Toronto Pearson Intl

Sat 5/9

4:50 p.m.-11:25 a.m.

1 stop18h 35m

Key West

Wed 9/9

10:04 a.m.-2:05 p.m.

2 stops28h 01m

C$ 625

TorontoKey West

YYZ Toronto Pearson Intl - EYW Key West

YYZEYW

Toronto Pearson Intl

Thu 15/10

9:50 a.m.-7:44 a.m.

1 stop21h 54m

Key West

Wed 21/10

12:52 p.m.-2:05 p.m.

2 stops25h 13m

C$ 678

TorontoKey West

YYZ Toronto Pearson Intl - EYW Key West

YYZEYW

Toronto Pearson Intl

Fri 27/11

4:50 p.m.-12:29 p.m.

1 stop19h 39m

Key West

Wed 2/12

10:45 a.m.-8:17 p.m.

2 stops9h 32m

C$ 682

TorontoKey West

YYZ Toronto Pearson Intl - EYW Key West

YYZEYW

Toronto Pearson Intl

Tue 8/12

9:00 p.m.-11:11 a.m.

1 stop14h 11m

Key West

Wed 9/12

2:00 p.m.-9:34 p.m.

1 stop7h 34m

C$ 695

TorontoKey West

YYZ Toronto Pearson Intl - EYW Key West

YYZEYW

Toronto Pearson Intl

Tue 8/12

9:00 p.m.-11:11 a.m.

1 stop14h 11m

Key West

Wed 9/12

2:00 p.m.-9:34 p.m.

1 stop7h 34m

C$ 696

TorontoKey West

YYZ Toronto Pearson Intl - EYW Key West

YYZEYW

Toronto Pearson Intl

Tue 29/9

1:34 p.m.-8:00 p.m.

1 stop6h 26m

Key West

Tue 6/10

7:40 a.m.-5:18 p.m.

1 stop9h 38m

C$ 696

TorontoKey West

YYZ Toronto Pearson Intl - EYW Key West

YYZEYW

Toronto Pearson Intl

Tue 8/12

9:00 p.m.-11:11 a.m.

1 stop14h 11m

Key West

Wed 9/12

2:00 p.m.-9:34 p.m.

1 stop7h 34m

C$ 698

Quickest round-trip

MontrealKey West

YUL Montreal Pierre Elliott Trudeau Intl - EYW Key West

YULEYW

Montreal Pierre Elliott Trudeau Intl

Tue 17/11

12:44 p.m.-8:02 p.m.

1 stop7h 18m

Key West

Tue 24/11

6:02 p.m.-11:58 p.m.

1 stop5h 56m

C$ 702

TorontoKey West

YYZ Toronto Pearson Intl - EYW Key West

YYZEYW

Toronto Pearson Intl

Sat 5/9

7:45 a.m.-2:52 p.m.

1 stop7h 07m

Key West

Wed 9/9

7:40 a.m.-5:18 p.m.

1 stop9h 38m

C$ 703

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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

Prices

Airlines

What is the cheapest month to fly to Key West?

In general, September is the cheapest month to fly from Region of Ontario to Key West. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 0. If you don’t want to visit Key West in September, then you should wait until January to fly from Region of Ontario, when ticket prices are also cheap, with an average price of C$ 0.

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

Fastest flight time	5h 08m
Direct flights	None

The fastest flight from Region of Ontario to Key West takes 5h 08m

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

Frequently asked questions about flying from Ontario to Key West

When did momondo last update prices for flights from Ontario to Key West Airport?
Prices for flights from Ontario to Key West Airport are updated 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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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 travel and health documents required for your trip to Key West Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Key West Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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 recognizable 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?

All flight searches from Ontario to Key West on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Key West from Ontario.

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

If you are not ready to book a flight from Ontario to Key West now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Key West and let you know when they change.