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 many operators does momondo search for flights from Ontario to Key West Airport?

As of February 2026, there is 1 operator available to choose from for flights from Ontario to Key West Airport.

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$ 232 Cheap Flights from Ontario to Key West in 2026

1 adult

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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.

5:15 p.m. - 9:06 a.m.

YYZ

EYW

15h 51m

1 stop

11:51 a.m. - 12:14 a.m.

EYW

YYZ

12h 23m

1 stop

C$ 403Multiple Airlines

Sat, 4 Apr - Wed, 8 Apr

7:10 a.m. - 12:26 p.m.

YYZ

EYW

29h 16m

1 stop

12:25 p.m. - 2:53 p.m.

EYW

YYZ

26h 28m

1 stop

C$ 458Multiple Airlines

Sun, 22 Mar - Tue, 31 Mar

5:15 p.m. - 9:06 a.m.

YYZ

EYW

15h 51m

1 stop

12:25 p.m. - 12:14 a.m.

EYW

YYZ

11h 49m

2 stops

C$ 474Multiple Airlines

Sat, 4 Apr - Wed, 8 Apr

8:10 a.m. - 12:31 p.m.

YYZ

EYW

28h 21m

1 stop

12:06 p.m. - 4:55 p.m.

EYW

YYZ

28h 49m

1 stop

C$ 505Multiple Airlines

Sun, 17 May - Sun, 31 May

2:20 p.m. - 11:05 a.m.

YYZ

EYW

20h 45m

1 stop

2:59 p.m. - 11:20 p.m.

EYW

YYZ

32h 21m

2 stops

C$ 529Multiple Airlines

Fri, 6 Mar - Fri, 13 Mar

4:55 p.m. - 1:37 p.m.

YUL

EYW

20h 42m

2 stops

12:25 p.m. - 4:28 p.m.

EYW

YUL

28h 03m

1 stop

C$ 538Multiple Airlines

Thu, 26 Mar - Thu, 2 Apr

2:32 p.m. - 10:36 p.m.

YUL

EYW

8h 04m

1 stop

6:46 p.m. - 11:44 a.m.

EYW

YUL

16h 58m

1 stop

C$ 706American Airlines

Wed, 15 Apr - Mon, 20 Apr

5:10 a.m. - 4:36 p.m.

YXU

EYW

11h 26m

2 stops

4:55 p.m. - 5:05 p.m.

EYW

YXU

24h 10m

3 stops

C$ 1,024United Airlines

Mon, 9 Mar - Wed, 11 Mar

7:25 a.m. - 4:42 p.m.

YTZ

EYW

9h 17m

2 stops

3:47 p.m. - 9:34 a.m.

EYW

YTZ

17h 47m

2 stops

C$ 1,086United Airlines

Tue, 7 Apr - Wed, 8 Apr

7:25 a.m. - 4:42 p.m.

YTZ

EYW

9h 17m

2 stops

3:47 p.m. - 9:34 a.m.

EYW

YTZ

17h 47m

2 stops

C$ 1,087United Airlines

Tue, 7 Apr - Wed, 8 Apr

American Airlines flights from Region of Ontario to Key West

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

American Airlines

15 Apr

YUL2:32 p.m.Montreal Pierre Elliott Trudeau Intl

8h 04m

1 stop

EYW10:36 p.m.Key West

20 Apr

EYW6:46 p.m.Key West

16h 58m

1 stop

YUL11:44 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 706

American Airlines

12 Jul

YUL7:29 a.m.Montreal Pierre Elliott Trudeau Intl

8h 43m

1 stop

EYW4:12 p.m.Key West

19 Jul

EYW11:28 a.m.Key West

11h 55m

1 stop

YUL11:23 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 836

American Airlines

3 Apr

YYZ4:30 p.m.Toronto Pearson Intl

6h 07m

1 stop

EYW10:37 p.m.Key West

7 Apr

EYW11:24 a.m.Key West

10h 10m

2 stops

YYZ9:34 p.m.Toronto Pearson Intl

C$ 875

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

7 Apr

YUL11:23 a.m.Montreal Pierre Elliott Trudeau Intl

6h 16m

1 stop

EYW5:39 p.m.Key West

15 Apr

EYW2:35 p.m.Key West

7h 31m

1 stop

YUL10:06 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 783

United Airlines

3 Apr

YYZ7:00 a.m.Toronto Pearson Intl

7h 51m

1 stop

EYW2:51 p.m.Key West

7 Apr

EYW6:22 p.m.Key West

5h 32m

1 stop

YYZ11:54 p.m.Toronto Pearson Intl

C$ 805

United Airlines

20 Mar

YYZ8:45 a.m.Toronto Pearson Intl

13h 34m

1 stop

EYW10:19 p.m.Key West

25 Mar

EYW4:05 p.m.Key West

7h 14m

1 stop

YYZ11:19 p.m.Toronto Pearson Intl

C$ 879

Fly from

Fly to

Route

Depart

Return

Price

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Sat 4/4

5:15 p.m.-9:06 a.m.

1 stop15h 51m

Key West

Wed 8/4

11:51 a.m.-12:14 a.m.

1 stop12h 23m

C$ 403

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Sun 22/3

7:10 a.m.-12:26 p.m.

1 stop29h 16m

Key West

Tue 31/3

12:25 p.m.-2:53 p.m.

1 stop26h 28m

C$ 458

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Sat 4/4

5:15 p.m.-9:06 a.m.

1 stop15h 51m

Key West

Wed 8/4

12:25 p.m.-12:14 a.m.

2 stops11h 49m

C$ 474

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Sun 17/5

8:10 a.m.-12:31 p.m.

1 stop28h 21m

Key West

Sun 31/5

12:06 p.m.-4:55 p.m.

1 stop28h 49m

C$ 505

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Fri 6/3

2:20 p.m.-11:05 a.m.

1 stop20h 45m

Key West

Fri 13/3

2:59 p.m.-11:20 p.m.

2 stops32h 21m

C$ 529

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Thu 26/3

4:55 p.m.-1:37 p.m.

2 stops20h 42m

Key West

Thu 2/4

12:25 p.m.-4:28 p.m.

1 stop28h 03m

C$ 538

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Wed 15/4

2:32 p.m.-10:36 p.m.

1 stop8h 04m

Key West

Mon 20/4

6:46 p.m.-11:44 a.m.

1 stop16h 58m

C$ 706

LondonKey West

YXU - EYW

YXUEYW

London

Mon 9/3

5:10 a.m.-4:36 p.m.

2 stops11h 26m

Key West

Wed 11/3

4:55 p.m.-5:05 p.m.

3 stops24h 10m

C$ 1,024

TorontoKey West

YTZ - EYW

YTZEYW

Toronto Island

Tue 7/4

7:25 a.m.-4:42 p.m.

2 stops9h 17m

Key West

Wed 8/4

3:47 p.m.-9:34 a.m.

2 stops17h 47m

C$ 1,086

TorontoKey West

YTZ - EYW

YTZEYW

Toronto Island

Tue 7/4

7:25 a.m.-4:42 p.m.

2 stops9h 17m

Key West

Wed 8/4

3:47 p.m.-9:34 a.m.

2 stops17h 47m

C$ 1,087

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

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

United Airlines is the most popular carrier operating from Ontario to Key West

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	6h 37m
Direct flights	None

The fastest flight from Region of Ontario to Key West takes 6h 37m

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 are updated daily.
How many operators does momondo search for flights from Ontario to Key West Airport?
As of February 2026, there is 1 operator available to choose from for flights from Ontario to Key West Airport.
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.

Best airlines flying from Region of Ontario to Key West

Compare and see reviews for airlines that fly from Region of Ontario to Key West with momondo

Airline	Rating	Free Cancellation	Price
WestJet	PriceFrom C$ 775	Free Cancellation	Rating 7.2 3,266 reviews		Search WestJet flights

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.