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

Delta is the most popular carrier 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 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.

$171 Cheap Flights from Ontario to Key West in 2025

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Find the cheapest flights from Ontario to Key West

Round-trip

One-way

Last minute

Cheap round-trip flights

11:00 am - 2:35 pmYYZ-EYW

27h 35m1 stop

8:55 am - 4:36 pmEYW-YYZ

7h 41m1 stop

$302

Find Deal

Fri, Aug 29 - Thu, Sep 4

7:45 am - 9:22 amYYZ-EYW

25h 37m1 stop

8:47 am - 11:55 pmEYW-YYZ

15h 08m1 stop

$341

Find Deal

Mon, Sep 1 - Mon, Sep 8

9:50 am - 8:15 amYYZ-EYW

22h 25m1 stop

8:47 am - 10:40 pmEYW-YYZ

13h 53m1 stop

$355

Find Deal

Wed, Sep 3 - Mon, Sep 8

5:18 pm - 11:40 amYYZ-EYW

18h 22m1 stop

1:59 pm - 10:29 pmEYW-YYZ

8h 30m2 stops

$562American Airlines

Find Deal

Fri, Aug 29 - Thu, Sep 4

8:55 pm - 2:14 pmYYZ-EYW

17h 19m2 stops

3:50 pm - 10:12 pmEYW-YYZ

30h 22m2 stops

$575Lufthansa

Find Deal

Fri, Aug 29 - Thu, Sep 4

7:35 am - 1:52 pmYYZ-EYW

6h 17m1 stop

7:52 pm - 10:59 amEYW-YYZ

15h 07m2 stops

$582American Airlines

Find Deal

Sat, Oct 11 - Wed, Oct 15

12:14 pm - 8:06 pmYYZ-EYW

7h 52m2 stops

7:40 am - 5:23 pmEYW-YYZ

9h 43m2 stops

$592Delta

Find Deal

Sat, Oct 11 - Wed, Oct 15

6:35 pm - 10:56 amYUL-EYW

16h 21m2 stops

11:52 am - 11:08 pmEYW-YUL

11h 16m2 stops

$592Delta

Find Deal

Tue, Sep 2 - Tue, Sep 9

7:30 am - 2:55 pmYYZ-EYW

7h 25m1 stop

3:50 pm - 10:23 pmEYW-YYZ

6h 33m1 stop

$593United Airlines

Find Deal

Wed, Sep 3 - Wed, Sep 10

6:00 am - 2:55 pmYUL-EYW

8h 55m1 stop

3:50 pm - 10:06 pmEYW-YUL

6h 16m1 stop

$596United Airlines

Find Deal

Wed, Sep 3 - Mon, Sep 8

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

Aug 29

YYZ5:18 pmToronto Pearson Intl

18h 22m

1 stop

EYW11:40 amKey West

Sep 4

EYW1:59 pmKey West

8h 30m

2 stops

YYZ10:29 pmToronto Pearson Intl

$562

Find similar

American Airlines

Oct 11

YYZ7:35 amToronto Pearson Intl

6h 17m

1 stop

EYW1:52 pmKey West

Oct 15

EYW7:52 pmKey West

15h 07m

2 stops

YYZ10:59 amToronto Pearson Intl

$582

Find similar

American Airlines

Oct 11

YYZ6:00 amToronto Pearson Intl

11h 16m

1 stop

EYW5:16 pmKey West

Oct 15

EYW4:58 pmKey West

5h 52m

1 stop

YYZ10:50 pmToronto Pearson Intl

$601

Find similar

Delta flights from Region of Ontario to Key West

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

Delta

Oct 11

YYZ12:14 pmToronto Pearson Intl

7h 52m

2 stops

EYW8:06 pmKey West

Oct 15

EYW7:40 amKey West

9h 43m

2 stops

YYZ5:23 pmToronto Pearson Intl

$592

Find similar

Delta

Sep 3

YYZ10:10 amToronto Pearson Intl

7h 15m

2 stops

EYW5:25 pmKey West

Sep 10

EYW2:00 pmKey West

9h 47m

2 stops

YYZ11:47 pmToronto Pearson Intl

$593

Find similar

Delta

Sep 3

YUL6:20 amMontreal Pierre Elliott Trudeau Intl

13h 52m

2 stops

EYW8:12 pmKey West

Sep 10

EYW11:52 amKey West

11h 16m

2 stops

YUL11:08 pmMontreal Pierre Elliott Trudeau Intl

$594

Find similar

Fly from

Fly to

Route

Depart

Return

Price

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Fri 8/29

11:00 am-2:35 pm

1 stop27h 35m

Key West

Thu 9/4

8:55 am-4:36 pm

1 stop7h 41m

$302

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Mon 9/1

7:45 am-9:22 am

1 stop25h 37m

Key West

Mon 9/8

8:47 am-11:55 pm

1 stop15h 08m

$341

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Wed 9/3

9:50 am-8:15 am

1 stop22h 25m

Key West

Mon 9/8

8:47 am-10:40 pm

1 stop13h 53m

$355

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Fri 8/29

5:18 pm-11:40 am

1 stop18h 22m

Key West

Thu 9/4

1:59 pm-10:29 pm

2 stops8h 30m

$562

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Fri 8/29

8:55 pm-2:14 pm

2 stops17h 19m

Key West

Thu 9/4

3:50 pm-10:12 pm

2 stops30h 22m

$575

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Sat 10/11

7:35 am-1:52 pm

1 stop6h 17m

Key West

Wed 10/15

7:52 pm-10:59 am

2 stops15h 07m

$582

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Sat 10/11

12:14 pm-8:06 pm

2 stops7h 52m

Key West

Wed 10/15

7:40 am-5:23 pm

2 stops9h 43m

$592

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Tue 9/2

6:35 pm-10:56 am

2 stops16h 21m

Key West

Tue 9/9

11:52 am-11:08 pm

2 stops11h 16m

$592

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Wed 9/3

7:30 am-2:55 pm

1 stop7h 25m

Key West

Wed 9/10

3:50 pm-10:23 pm

1 stop6h 33m

$593

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Wed 9/3

6:00 am-2:55 pm

1 stop8h 55m

Key West

Mon 9/8

3:50 pm-10:06 pm

1 stop6h 16m

$596

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

Prices

Airlines

What is the cheapest month to fly to Key West?

In general, October 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 $475. If you are unable to visit Key West during the month of October, then departing from Region of Ontario during the month May is also very affordable. Most momondo users find prices during this month for around $489.

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

Best Price Found	$171
Fastest flight time	6h 05m
Direct flights	None
Airports in Key West	1 airport

The best one-way flight to Key West from Region of Ontario in the past 72 hours is $171. The best round-trip flight deal from Region of Ontario to Key West found on momondo in the last 72 hours is $302.

The fastest flight from Region of Ontario to Key West takes 6h 05m

There are no direct flights from Region of Ontario to Key West. Popular non-direct routes for this connection are Toronto Pearson Intl Airport - Key West Airport and Montreal Pierre Elliott Trudeau Intl Airport - Key West Airport.

There is 1 airport near Key West: Key West (EYW)

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.