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Cheap flights from Canada to Key Largo from C$ 143

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — MIA
12 Dec — 19 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Canada to Key Largo

Keep the following information in mind while searching for Canada to Key Largo flight deals. Data was last updated 12 November 2025.

Round-trip from

C$ 259

One-way from

C$ 143

Popular in

December

Cheapest in

January

Average price

C$ 501
2/12-13/12
  • 2/12-13/12
  • 3 total stops
  • 32h 29m total
  • Canada to Key Largo
Search Deals
1/12
  • 1/12
  • 2 total stops
  • 17h 18m total
  • Canada to Key Largo
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 28 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from Canada to Key Largo

Enter your travel dates to find the best prices.

Cheapest flights from Canada to Key Largo
Explore the most affordable flight options available from Canada to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 November 2025.

Tue 2/1212:30 a.m.YYC - MIA
1 stop10h 12mMultiple Airlines
Sat 13/126:53 p.m.MIA - YYC
2 stops22h 17mMultiple Airlines
Deal found 11/11C$ 259
Mon 1/1212:30 a.m.YYC - MIA
1 stop8h 18mMultiple Airlines
Tue 9/125:58 p.m.MIA - YYC
1 stop19h 46mMultiple Airlines
Deal found 11/11C$ 279
Mon 1/1212:30 a.m.YYC - MIA
1 stop13h 58mMultiple Airlines
Sat 6/129:38 a.m.MIA - YYC
1 stop11h 31mMultiple Airlines
Deal found 10/11C$ 285
Mon 24/1112:30 a.m.YYC - MIA
1 stop14h 39mMultiple Airlines
Tue 2/125:58 p.m.MIA - YYC
1 stop19h 46mMultiple Airlines
Deal found 10/11C$ 311
Mon 1/128:35 p.m.YEG - MIA
2 stops12h 13mMultiple Airlines
Sat 6/126:53 p.m.MIA - YEG
1 stop19h 18mMultiple Airlines
Deal found 11/11C$ 320
Mon 1/1212:30 a.m.YYC - MIA
1 stop13h 58mMultiple Airlines
Tue 16/125:58 p.m.MIA - YYC
2 stops28h 18mMultiple Airlines
Deal found 11/11C$ 332
Tue 11/1112:30 a.m.YYC - MIA
1 stop9h 59mMultiple Airlines
Tue 18/113:06 p.m.MIA - YYC
1 stop22h 38mMultiple Airlines
Deal found 10/11C$ 337
Mon 15/129:40 a.m.YYZ - MIA
Nonstop3h 29mAir Transat
Wed 24/122:10 p.m.MIA - YYZ
Nonstop3h 20mAir Transat
Deal found 10/11C$ 339
Tue 16/129:40 a.m.YYZ - MIA
Nonstop3h 29mAir Transat
Wed 24/122:10 p.m.MIA - YYZ
Nonstop3h 20mAir Transat
Deal found 11/11C$ 341
Tue 16/124:50 p.m.YYZ - MIA
Nonstop3h 26mAir Canada
Fri 19/129:15 p.m.MIA - YYZ
Nonstop3h 21mAir Canada
Deal found 11/11C$ 351
Fri 5/1212:45 a.m.YEG - MIA
1 stop8h 27mMultiple Airlines
Tue 9/125:58 p.m.MIA - YEG
2 stops27h 41mMultiple Airlines
Deal found 10/11C$ 352
Mon 24/119:40 a.m.YYZ - MIA
Nonstop3h 29mAir Transat
Fri 28/112:10 p.m.MIA - YYZ
Nonstop3h 20mAir Transat
Deal found 10/11C$ 352

Cheapflights Fare Finder

 
Customize your flight search to find flights from Canada to Key Largo that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 12 November 2025.
Use the filters below to find and compare flights from Canada to Key Largo that are best for you.

Fly from

Canada

Fly to

Key Largo

Route

Depart

Return

Price

CalgaryMiami

YYC - MIA

YYCMIA

Calgary

Mon 8/12

12:30 a.m.-12:42 p.m.

1 stop10h 12m

Miami

Tue 16/12

5:58 p.m.-8:16 p.m.

2 stops28h 18m

C$ 349

EdmontonMiami

YEG - MIA

YEGMIA

Edmonton

Mon 8/12

8:35 p.m.-12:42 p.m.

2 stops14h 07m

Miami

Mon 15/12

7:09 p.m.-12:11 p.m.

1 stop19h 02m

C$ 373

EdmontonMiami

YEG - MIA

YEGMIA

Edmonton

Thu 4/12

8:35 p.m.-11:12 a.m.

2 stops12h 37m

Miami

Sun 7/12

6:05 a.m.-12:11 p.m.

1 stop8h 06m

C$ 407

CalgaryMiami

YYC - MIA

YYCMIA

Calgary

Mon 1/12

7:00 a.m.-10:48 a.m.

2 stops25h 48m

Miami

Mon 8/12

6:05 a.m.-7:09 p.m.

1 stop15h 04m

C$ 435

TorontoMiami

YTZ - MIA

YTZMIA

Toronto Island

Tue 9/12

7:40 p.m.-10:05 a.m.

1 stop14h 25m

Miami

Fri 12/12

8:53 p.m.-1:20 p.m.

1 stop16h 27m

C$ 436

TorontoMiami

YTZ - MIA

YTZMIA

Toronto Island

Mon 5/1

10:25 a.m.-10:29 p.m.

2 stops12h 04m

Miami

Tue 3/2

8:00 a.m.-2:25 p.m.

1 stop6h 25m

C$ 437

TorontoMiami

YTZ - MIA

YTZMIA

Toronto Island

Mon 5/1

3:45 p.m.-12:51 a.m.

2 stops9h 06m

Miami

Tue 13/1

12:20 p.m.-10:10 p.m.

1 stop9h 50m

C$ 437

EdmontonMiami

YEG - MIA

YEGMIA

Edmonton

Thu 22/1

6:00 a.m.-12:26 a.m.

2 stops16h 26m

Miami

Sat 31/1

5:35 a.m.-10:49 p.m.

2 stops19h 14m

C$ 439

TorontoMiami

YYZ - MIA

YYZMIA

Toronto Pearson Intl

Mon 5/1

10:45 a.m.-6:24 p.m.

1 stop7h 39m

Miami

Tue 13/1

6:00 a.m.-1:43 p.m.

1 stop7h 43m

C$ 463

TorontoMiami

YYZ - MIA

YYZMIA

Toronto Pearson Intl

Mon 5/1

5:10 p.m.-11:20 p.m.

1 stop6h 10m

Miami

Sat 7/2

9:24 a.m.-4:12 p.m.

1 stop6h 48m

C$ 463

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 60 results
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Best time to book a flight from Canada to Key Largo

Have a flexible travel schedule? Discover the best time to fly to Key Largo from Canada with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Canada to Key Largo

What is the cheapest month to book a flight from Canada to Key Largo?

Currently, April is the cheapest month in which you can book a flight from Canada to Key Largo (average of C$ 114). Flying from Canada to Key Largo in August is currently the most expensive (average of C$ 175). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CA to KE9?

Find hourly flight availability from Canada to Key Largo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 November 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 14% on flights from Canada to Key Largo by exploring options for tickets at noon.

What is the cheapest day to fly from Canada to Key Largo?

Use this chart to determine the cheapest time to fly round-trip from Canada to Key Largo. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Canada to Key Largo flight should consider departing on Monday evenings when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Canada to Key Largo

Explore weekly flight availability from Canada to Key Largo. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 12 November 2025.

The most flights from CA0 to KE9 are scheduled on a Monday (7 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (3 on average).

Reviews of airlines servicing Key Largo

Get insights into the airlines that provide service to Key Largo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Key Largo. Reviews last updated 12 November 2025.
Get a feel of what it's like to fly with Porter Airlines,United Airlines, andAmerican Airlines from Canada to Key Largo by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
389 reviews
Check prices

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.0

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Kelly,Nov 2025

YVR - YUL

I recently flew with Porter Airlines on Flight PD372 on October 30th, and unfortunately, had a very disappointing experience. At the gate, one of their attendants gave me two boarding passes. I assumed these were for my itinerary from Vancouver to Montreal and back, but one of the boarding passes unexpectedly included a connecting flight to Toronto, which was never part of my booking or invoice. As a result of this error, my checked baggage was mistakenly routed to Toronto. When I contacted Porter’s customer service, I spoke to an agent who apologized on behalf of the attendant (employee number 13209961) and promised to have my luggage flown back to Montreal. However, shortly after, I was told there was nothing they could do except for me to travel to Toronto myself to pick up my bag. This is highly unreasonable and unfair, considering the issue was caused by their staff printing the wrong boarding pass. This entire situation caused me significant inconvenience and stress. I expected Porter to correct the mistake and deliver my luggage as originally planned, but instead, I was left with the burden of fixing an error that was not mine. I even have a photo of the staff badge of the employee who made the promise, yet the company still failed to honor it. I hope Porter Airlines reviews their internal communication and baggage handling procedures to prevent this from happening to other passengers. Customer care and responsibility fell short in this experience, and I am still waiting for a satisfactory resolution.
Porter Airlines
8.0
Very good
389 reviews
Porter Airlines
8.0
Very good
389 reviews
Check prices

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.0

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Kelly,Nov 2025

YVR - YUL

I recently flew with Porter Airlines on Flight PD372 on October 30th, and unfortunately, had a very disappointing experience. At the gate, one of their attendants gave me two boarding passes. I assumed these were for my itinerary from Vancouver to Montreal and back, but one of the boarding passes unexpectedly included a connecting flight to Toronto, which was never part of my booking or invoice. As a result of this error, my checked baggage was mistakenly routed to Toronto. When I contacted Porter’s customer service, I spoke to an agent who apologized on behalf of the attendant (employee number 13209961) and promised to have my luggage flown back to Montreal. However, shortly after, I was told there was nothing they could do except for me to travel to Toronto myself to pick up my bag. This is highly unreasonable and unfair, considering the issue was caused by their staff printing the wrong boarding pass. This entire situation caused me significant inconvenience and stress. I expected Porter to correct the mistake and deliver my luggage as originally planned, but instead, I was left with the burden of fixing an error that was not mine. I even have a photo of the staff badge of the employee who made the promise, yet the company still failed to honor it. I hope Porter Airlines reviews their internal communication and baggage handling procedures to prevent this from happening to other passengers. Customer care and responsibility fell short in this experience, and I am still waiting for a satisfactory resolution.
United Airlines
7.4
Good
9,015 reviews
Porter Airlines
8.0
Very good
389 reviews
Check prices

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.0

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Kelly,Nov 2025

YVR - YUL

I recently flew with Porter Airlines on Flight PD372 on October 30th, and unfortunately, had a very disappointing experience. At the gate, one of their attendants gave me two boarding passes. I assumed these were for my itinerary from Vancouver to Montreal and back, but one of the boarding passes unexpectedly included a connecting flight to Toronto, which was never part of my booking or invoice. As a result of this error, my checked baggage was mistakenly routed to Toronto. When I contacted Porter’s customer service, I spoke to an agent who apologized on behalf of the attendant (employee number 13209961) and promised to have my luggage flown back to Montreal. However, shortly after, I was told there was nothing they could do except for me to travel to Toronto myself to pick up my bag. This is highly unreasonable and unfair, considering the issue was caused by their staff printing the wrong boarding pass. This entire situation caused me significant inconvenience and stress. I expected Porter to correct the mistake and deliver my luggage as originally planned, but instead, I was left with the burden of fixing an error that was not mine. I even have a photo of the staff badge of the employee who made the promise, yet the company still failed to honor it. I hope Porter Airlines reviews their internal communication and baggage handling procedures to prevent this from happening to other passengers. Customer care and responsibility fell short in this experience, and I am still waiting for a satisfactory resolution.
American Airlines
7.2
Good
11,050 reviews
Porter Airlines
8.0
Very good
389 reviews
Check prices

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.0

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Kelly,Nov 2025

YVR - YUL

I recently flew with Porter Airlines on Flight PD372 on October 30th, and unfortunately, had a very disappointing experience. At the gate, one of their attendants gave me two boarding passes. I assumed these were for my itinerary from Vancouver to Montreal and back, but one of the boarding passes unexpectedly included a connecting flight to Toronto, which was never part of my booking or invoice. As a result of this error, my checked baggage was mistakenly routed to Toronto. When I contacted Porter’s customer service, I spoke to an agent who apologized on behalf of the attendant (employee number 13209961) and promised to have my luggage flown back to Montreal. However, shortly after, I was told there was nothing they could do except for me to travel to Toronto myself to pick up my bag. This is highly unreasonable and unfair, considering the issue was caused by their staff printing the wrong boarding pass. This entire situation caused me significant inconvenience and stress. I expected Porter to correct the mistake and deliver my luggage as originally planned, but instead, I was left with the burden of fixing an error that was not mine. I even have a photo of the staff badge of the employee who made the promise, yet the company still failed to honor it. I hope Porter Airlines reviews their internal communication and baggage handling procedures to prevent this from happening to other passengers. Customer care and responsibility fell short in this experience, and I am still waiting for a satisfactory resolution.
WestJet
7.2
Good
3,159 reviews
Porter Airlines
8.0
Very good
389 reviews
Check prices

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.0

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Kelly,Nov 2025

YVR - YUL

I recently flew with Porter Airlines on Flight PD372 on October 30th, and unfortunately, had a very disappointing experience. At the gate, one of their attendants gave me two boarding passes. I assumed these were for my itinerary from Vancouver to Montreal and back, but one of the boarding passes unexpectedly included a connecting flight to Toronto, which was never part of my booking or invoice. As a result of this error, my checked baggage was mistakenly routed to Toronto. When I contacted Porter’s customer service, I spoke to an agent who apologized on behalf of the attendant (employee number 13209961) and promised to have my luggage flown back to Montreal. However, shortly after, I was told there was nothing they could do except for me to travel to Toronto myself to pick up my bag. This is highly unreasonable and unfair, considering the issue was caused by their staff printing the wrong boarding pass. This entire situation caused me significant inconvenience and stress. I expected Porter to correct the mistake and deliver my luggage as originally planned, but instead, I was left with the burden of fixing an error that was not mine. I even have a photo of the staff badge of the employee who made the promise, yet the company still failed to honor it. I hope Porter Airlines reviews their internal communication and baggage handling procedures to prevent this from happening to other passengers. Customer care and responsibility fell short in this experience, and I am still waiting for a satisfactory resolution.
Air Canada
7.1
Good
10,443 reviews
Porter Airlines
8.0
Very good
389 reviews
Check prices

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.0

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Kelly,Nov 2025

YVR - YUL

I recently flew with Porter Airlines on Flight PD372 on October 30th, and unfortunately, had a very disappointing experience. At the gate, one of their attendants gave me two boarding passes. I assumed these were for my itinerary from Vancouver to Montreal and back, but one of the boarding passes unexpectedly included a connecting flight to Toronto, which was never part of my booking or invoice. As a result of this error, my checked baggage was mistakenly routed to Toronto. When I contacted Porter’s customer service, I spoke to an agent who apologized on behalf of the attendant (employee number 13209961) and promised to have my luggage flown back to Montreal. However, shortly after, I was told there was nothing they could do except for me to travel to Toronto myself to pick up my bag. This is highly unreasonable and unfair, considering the issue was caused by their staff printing the wrong boarding pass. This entire situation caused me significant inconvenience and stress. I expected Porter to correct the mistake and deliver my luggage as originally planned, but instead, I was left with the burden of fixing an error that was not mine. I even have a photo of the staff badge of the employee who made the promise, yet the company still failed to honor it. I hope Porter Airlines reviews their internal communication and baggage handling procedures to prevent this from happening to other passengers. Customer care and responsibility fell short in this experience, and I am still waiting for a satisfactory resolution.

Related info for your journey

Find useful and relevant information for your journey from Canada to Key Largo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Canada to Key Largo?

    Departing from Canada to Key Largo will take you 6h 10m. Airlines will cover a distance of 1988 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Canada to Key Largo one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as C$ 254. Users have also found prices from C$ 255 and C$ 257 on Porter Airlines and Delta, respectively.

  • What are the most popular routes from Canada to Key Largo?

    When deciding which route to take from Canada to Key Largo consider Toronto Pearson Intl - Miami, Montreal Pierre Elliott Trudeau Intl - Miami or Toronto Island - Miami as they are the most popular.

  • What are the most reliable airlines from Canada to Key Largo?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Canada to Key Largo on time: Porter Airlines (100%), Air Transat (100%), Air Canada Rouge (78%).

  • What are the cheapest flights from Canada to Key Largo?

    On average you can expect to pay C$ 1,288 for a flight from Canada to Key Largo. The cheapest flight overall is C$ 195 while the most popular route, (Toronto Pearson Intl - Miami) is currently priced at C$ 331.

  • Can I find deals for flights from Canada to Key Largo that include hotel bookings?

    Yes. In addition to deals on Canada to Key Largo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Canada to Key Largo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Canada to Key Largo.

  • Can I find deals for business class flights from Canada to Key Largo?

    Yes. Cheapflights offers flight deals from Canada to Key Largo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Canada to Key Largo?

    Currently, April is the cheapest month in which you can book a flight from Canada to Key Largo (average of C$ 114). Flying from Canada to Key Largo in August is currently the most expensive (average of C$ 175). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Canada to Key Largo

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Canada to Key Largo

Discover the top 10 airlines that operate flights from Canada to Key Largo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 12 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Flair AirlinesCheapestC$ 115AverageC$ 289FlexibilityNo cancel feeOn-timeN/A
Search Flair Airlines flights
American AirlinesCheapestC$ 152AverageC$ 529FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapestC$ 152AverageC$ 602FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Porter AirlinesCheapestC$ 171AverageC$ 472FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 178AverageC$ 581FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air TransatCheapestC$ 197AverageC$ 453FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
DeltaCheapestC$ 201AverageC$ 521FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
WestJetCheapestC$ 206AverageC$ 621FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Alaska AirlinesCheapestC$ 387AverageC$ 644FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
WestJet EncoreCheapestC$ 528AverageC$ 804FlexibilityNo cancel feeOn-timeN/A
Search WestJet Encore flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Canada to Key Largo?

Deals for Canada to Key Largo flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Canada to Key Largo?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Key Largo from Canada.

Can Cheapflights find flights from Canada to Key Largo with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Canada to Key Largo, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Canada to Key Largo become cheaper?

Yes, Cheapflights offers price alerts on Canada to Key Largo flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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