Which airlines fly to Key West?

Based on our data, the most popular airlines that fly to Key West from Canada are WestJet, American Airlines and United Airlines. There may also be other airline options depending on where in Canada you’re flying from.

United Airlines Flights to Key West

United Airlines is a popular choice for users travelling to Key West. It operates 6 flights every week to Key West, most often flying from Newark. United Airlines ticket prices will depend on when and where you need to fly from - deals as low as C$ 821 (from Ottawa) have been found by momondo users. In 8,937 reviews, momondo users have rated United Airlines at an average score of 7.4/10.

WestJet Flights to Key West

C$ 540 is the best round-trip WestJet deal to Key West found on momondo in the last few days. The deal departed from Edmonton. WestJet has 27 flights to Key West most weeks, with prices varying by availability. 3,091 momondo users have reviewed WestJet, scoring the airline a 7.2/10 on average.

How long does it take to fly to Key West?

The average flight duration from Canada to Key West depends on which airport you fly into and out of. Flying from Toronto Pearson Intl to Key West is 6h 22m on average, while flying from Vancouver Intl to Key West is on average. Key West is the most popular airport in Key West.

C$ 313 Cheap Flights to Key West in 2025

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Find the cheapest flights from Canada to Key West

Round-trip

One-way

Last minute

Cheap round-trip flights

7:45 a.m. - 10:19 a.m.YYZ-EYW

26h 34m1 stop

10:47 a.m. - 8:57 p.m.EYW-YYZ

10h 10m1 stop

C$ 387

Find Deal

Sat, 25 Oct - Sat, 1 Nov

4:00 p.m. - 8:15 a.m.YYZ-EYW

16h 15m2 stops

10:47 a.m. - 8:57 p.m.EYW-YYZ

10h 10m1 stop

C$ 460

Find Deal

Sat, 25 Oct - Sat, 1 Nov

6:30 p.m. - 1:52 p.m.YYZ-EYW

19h 22m3 stops

3:00 p.m. - 9:17 a.m.EYW-YYZ

18h 17m2 stops

C$ 770United Airlines

Find Deal

Sat, 25 Oct - Sat, 1 Nov

9:28 a.m. - 7:44 p.m.YUL-EYW

10h 16m2 stops

6:00 p.m. - 8:47 a.m.EYW-YUL

14h 47m2 stops

C$ 805Delta

Find Deal

Wed, 14 Jan - Wed, 21 Jan

8:55 p.m. - 1:52 p.m.YYZ-EYW

16h 57m2 stops

2:48 p.m. - 9:24 p.m.EYW-YYZ

6h 36m1 stop

C$ 815United Airlines

Find Deal

Sat, 25 Oct - Wed, 29 Oct

9:45 a.m. - 8:06 p.m.YYZ-EYW

10h 21m2 stops

1:57 p.m. - 10:55 p.m.EYW-YYZ

8h 58m2 stops

C$ 822Delta

Find Deal

Sat, 25 Oct - Sat, 1 Nov

7:00 a.m. - 1:06 p.m.YUL-EYW

6h 06m1 stop

12:06 p.m. - 11:15 p.m.EYW-YUL

11h 09m1 stop

C$ 837American Airlines

Find Deal

Mon, 2 Feb - Mon, 9 Feb

11:50 a.m. - 7:22 p.m.YYZ-EYW

7h 32m2 stops

7:52 p.m. - 10:15 a.m.EYW-YYZ

14h 23m2 stops

C$ 841American Airlines

Find Deal

Sat, 11 Oct - Tue, 14 Oct

6:15 a.m. - 8:06 p.m.YYZ-EYW

13h 51m1 stop

7:40 a.m. - 10:42 a.m.EYW-YYZ

27h 02m1 stop

C$ 870WestJet

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Fri, 10 Oct - Fri, 17 Oct

6:45 a.m. - 7:44 p.m.YUL-EYW

12h 59m2 stops

7:00 a.m. - 11:44 a.m.EYW-YUL

28h 44m1 stop

C$ 891WestJet

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Wed, 14 Jan - Wed, 21 Jan

Fly from

Route

Depart

Return

Price

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Sat 25/10

7:45 a.m.-10:19 a.m.

1 stop26h 34m

Key West

Sat 1/11

10:47 a.m.-8:57 p.m.

1 stop10h 10m

C$ 387

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Sat 25/10

4:00 p.m.-8:15 a.m.

2 stops16h 15m

Key West

Sat 1/11

10:47 a.m.-8:57 p.m.

1 stop10h 10m

C$ 460

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Sat 25/10

6:30 p.m.-1:52 p.m.

3 stops19h 22m

Key West

Sat 1/11

3:00 p.m.-9:17 a.m.

2 stops18h 17m

C$ 770

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Wed 14/1

9:28 a.m.-7:44 p.m.

2 stops10h 16m

Key West

Wed 21/1

6:00 p.m.-8:47 a.m.

2 stops14h 47m

C$ 805

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Sat 25/10

8:55 p.m.-1:52 p.m.

2 stops16h 57m

Key West

Wed 29/10

2:48 p.m.-9:24 p.m.

1 stop6h 36m

C$ 815

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Sat 25/10

9:45 a.m.-8:06 p.m.

2 stops10h 21m

Key West

Sat 1/11

1:57 p.m.-10:55 p.m.

2 stops8h 58m

C$ 822

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Mon 2/2

7:00 a.m.-1:06 p.m.

1 stop6h 06m

Key West

Mon 9/2

12:06 p.m.-11:15 p.m.

1 stop11h 09m

C$ 837

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Sat 11/10

11:50 a.m.-7:22 p.m.

2 stops7h 32m

Key West

Tue 14/10

7:52 p.m.-10:15 a.m.

2 stops14h 23m

C$ 841

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Fri 10/10

6:15 a.m.-8:06 p.m.

1 stop13h 51m

Key West

Fri 17/10

7:40 a.m.-10:42 a.m.

1 stop27h 02m

C$ 870

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Wed 14/1

6:45 a.m.-7:44 p.m.

2 stops12h 59m

Key West

Wed 21/1

7:00 a.m.-11:44 a.m.

1 stop28h 44m

C$ 891

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

Key West flights insights and trends

Explore insights for your Key West flight to craft the best travel plan

Prices

Other information

What is the cheapest month to fly to Key West?

In general, October is the cheapest month to fly from Canada to Key West. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 658. If you don’t want to visit Key West in October, then you should wait until May to fly from Canada, when ticket prices are also cheap, with an average price of C$ 677.

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

According to our data, Wednesday is the cheapest day to fly to Key West from Canada. The lowest ticket price found for a Wednesday departure recently was C$ 841. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Key West on Saturday is C$ 961.

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

Our most recent data shows that the best time of day to fly to Key West is at noon. Flights from Canada to Key West during this time can be as low as C$ 896. Try not to purchase tickets in the morning because they tend to be around C$ 924. Of course, these prices can vary depending on the time of year and what airport you fly to.

Cheapest flights to Key West

Find the cheapest flights to Key West from your nearest city or airport

Find Flights from Toronto Pearson Intl Airport to Key West

CHEAPEST MONTH TO FLY TO KEY WEST FROM TORONTO PEARSON INTL AIRPORT	September	17% cheaper	Flying from Toronto Pearson Intl Airport to Key West costs on average just C$ 723 in September
MOST EXPENSIVE MONTH TO FLY TO KEY WEST FROM TORONTO PEARSON INTL AIRPORT	July	13% more expensive	It costs about C$ 982 for flights to Key West from Toronto Pearson Intl Airport in July
MOST POPULAR MONTH TO FLY TO KEY WEST FROM TORONTO PEARSON INTL AIRPORT	March	500% more users visited	More momondo users searched in flights to Key West from Toronto Pearson Intl Airport in March than any other month

Cheap Key West flight deals and tips

Summary info about Key West flight prices, duration and airlines

Best One-Way Price	C$ 313
Best Round-Trip Price	C$ 387
Fastest flight time	6h 47m
Popular in	December

The best one-way flight price to Key West from Canada in the last 72 hours is C$ 313 (Toronto Island to Key West).

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The best round-trip flight price to Key West from Canada in the last 72 hours is C$ 387 (Toronto Pearson Intl to Key West).

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The fastest flight to Key West from Canada takes 6h 47m (Toronto Pearson Intl to Key West).

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December has the highest demand for flights to Key West, with a 27% price increase on average.

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Frequently asked questions about flying to Key West

What is there to do in Key West when it’s raining?

If you are planning a flight to Key West and are looking to avoid the rain, you should avoid traveling during the months of August and September. These months will typically see 5.1 inches or more of rain, meaning that rain is likely. If you do run into rain while in Key West, there are still things to do and ways to enjoy your trip. For those looking to get out of the rain and do a little shopping, check out Duval Street.

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

Prices for flights to Key West Airport are updated daily.

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

There are 3 operators available for flights to Key West Airport as of September 2025.

How old do you have to be to fly 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 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 to Key West?

We help find the flight that best suits your needs; momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight for you.

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

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

How can momondo help me find flights to Key West?

Once all potential Key West flight options are in front of you momondo lets you sort and filter flights based on preferences such as airline, price and flight times, amongst many other options.

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

Yes momondo offers price alerts on flights to Key West. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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C$ 313 Cheap flights to Key West

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Key West departing on 25/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Filter for what you want

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Key West flights insights and trends

Explore insights for your Key West flight to craft the best travel plan

What is the cheapest month to fly to Key West?

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

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

How long does it take to fly to Key West?

The average flight duration from Canada to Key West depends on which airport you fly into and out of. Flying from Toronto Pearson Intl to Key West is 6h 22m on average, while flying from Vancouver Intl to Key West is on average. Key West is the most popular airport in Key West.

Cheapest flights to Key West

Find the cheapest flights to Key West from your nearest city or airport

Cheap Key West flight deals and tips

Summary info about Key West flight prices, duration and airlines

Best One-Way Price

Best Round-Trip Price

Fastest flight time

Popular in

Frequently asked questions about flying to Key West

What is there to do in Key West when it’s raining?

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

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

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

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

Travelling to a place near Key West?

Why use momondo?

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

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

How can momondo help me find flights to Key West?

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

An easier way to manage your Key West trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Key West

Popular Flights to Key West

Popular routes according to searches in the past day on momondo