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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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — MIA
17 Oct — 24 Oct1
1 adult
1 adult, Economy

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 17 September 2025.

Round-trip from

C$ 319

One-way from

C$ 143

Popular in

December

Cheapest in

January

Average price

C$ 466
Porter Airlines
  • Porter Airlines
  • 11/2-18/2
  • Nonstop
  • 6h 49m total
  • Canada to Key Largo
Search Deals
5/12
  • 5/12
  • 1 total stop
  • 21h 47m total
  • Canada to Key Largo
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 17 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Canada to Key Largo

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 17 September 2025.

Fri 3/1012:30 a.m.YYC - MIA
1 stop15h 12mMultiple Airlines
Sat 11/107:23 p.m.MIA - YYC
1 stop24h 58mMultiple Airlines
Deal found 15/9C$ 325
Wed 29/106:00 a.m.YEG - MIA
2 stops27h 28mMultiple Airlines
Mon 3/117:07 p.m.MIA - YEG
1 stop19h 04mMultiple Airlines
Deal found 17/9C$ 327
Sat 25/108:00 a.m.YEG - MIA
2 stops23h 04mMultiple Airlines
Sun 9/115:01 a.m.MIA - YEG
1 stop9h 10mMultiple Airlines
Deal found 15/9C$ 329
Fri 31/109:40 a.m.YYZ - MIA
Nonstop3h 29mPorter Airlines
Sat 8/112:10 p.m.MIA - YYZ
Nonstop3h 20mPorter Airlines
Deal found 15/9C$ 330
Sat 6/124:00 p.m.YYZ - MIA
1 stop19h 15mAvianca
Fri 19/122:25 p.m.MIA - YYZ
2 stops14h 50mAvianca
Deal found 17/9C$ 336
Sun 9/119:40 a.m.YYZ - MIA
Nonstop3h 29mMultiple Airlines
Mon 10/1111:28 a.m.MIA - YYZ
1 stop9h 39mMultiple Airlines
Deal found 14/9C$ 338
Fri 31/109:40 a.m.YYZ - MIA
Nonstop3h 29mPorter Airlines
Mon 3/112:10 p.m.MIA - YYZ
Nonstop3h 20mPorter Airlines
Deal found 15/9C$ 340
Sun 12/101:30 p.m.YVR - MIA
2 stops19h 30mMultiple Airlines
Thu 23/1012:30 p.m.MIA - YVR
1 stop11h 18mMultiple Airlines
Deal found 15/9C$ 340
Fri 31/109:40 a.m.YYZ - MIA
Nonstop3h 29mPorter Airlines
Sun 2/112:10 p.m.MIA - YYZ
Nonstop3h 20mPorter Airlines
Deal found 15/9C$ 341
Fri 3/109:30 a.m.YVR - MIA
1 stop11h 42mMultiple Airlines
Mon 6/106:00 a.m.MIA - YVR
2 stops21h 41mMultiple Airlines
Deal found 16/9C$ 341
Fri 3/109:30 a.m.YVR - MIA
1 stop11h 42mMultiple Airlines
Sat 4/103:50 p.m.MIA - YVR
2 stops21h 44mMultiple Airlines
Deal found 14/9C$ 343
Sun 26/102:00 p.m.YYZ - MIA
1 stop8h 29mAir Canada
Sat 1/119:05 p.m.MIA - YYZ
Nonstop3h 21mAir Canada
Deal found 15/9C$ 345

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 17 September 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

EdmontonMiami

YEG - MIA

YEGMIA

Edmonton

Fri 31/10

6:00 a.m.-5:41 p.m.

2 stops33h 41m

Miami

Fri 7/11

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

1 stop18h 59m

C$ 354

CalgaryMiami

YYC - MIA

YYCMIA

Calgary

Fri 31/10

9:45 p.m.-5:41 p.m.

2 stops17h 56m

Miami

Fri 7/11

10:15 a.m.-5:15 p.m.

1 stop9h 00m

C$ 355

CalgaryMiami

YYC - MIA

YYCMIA

Calgary

Thu 2/10

12:30 a.m.-12:12 a.m.

1 stop21h 42m

Miami

Thu 9/10

7:00 a.m.-8:19 p.m.

1 stop15h 19m

C$ 387

TorontoMiami

YYZ - MIA

YYZMIA

Toronto Pearson Intl

Fri 5/12

10:45 a.m.-11:56 p.m.

1 stop13h 11m

Miami

Mon 8/12

9:05 p.m.-12:26 a.m.

Nonstop3h 21m

C$ 389

VancouverMiami

YVR - MIA

YVRMIA

Vancouver Intl

Wed 1/10

6:30 p.m.-12:22 p.m.

2 stops14h 52m

Miami

Sat 4/10

12:52 p.m.-12:11 a.m.

2 stops14h 19m

C$ 392

TorontoMiami

YYZ - MIA

YYZMIA

Toronto Pearson Intl

Sun 2/11

9:00 a.m.-6:17 p.m.

1 stop9h 17m

Miami

Sun 9/11

6:25 a.m.-10:37 p.m.

1 stop16h 12m

C$ 409

TorontoMiami

YYZ - MIA

YYZMIA

Toronto Pearson Intl

Wed 26/11

6:10 a.m.-2:35 p.m.

1 stop8h 25m

Miami

Tue 2/12

4:55 p.m.-11:59 p.m.

1 stop7h 04m

C$ 409

TorontoMiami

YYZ - MIA

YYZMIA

Toronto Pearson Intl

Thu 30/10

10:45 a.m.-7:08 p.m.

1 stop8h 23m

Miami

Thu 6/11

6:05 a.m.-1:43 p.m.

1 stop7h 38m

C$ 409

TorontoMiami

YYZ - MIA

YYZMIA

Toronto Pearson Intl

Sat 8/11

9:30 a.m.-4:45 p.m.

1 stop7h 15m

Miami

Tue 11/11

7:00 a.m.-4:02 p.m.

1 stop9h 02m

C$ 409

TorontoMiami

YYZ - MIA

YYZMIA

Toronto Pearson Intl

Fri 31/10

12:45 p.m.-11:56 p.m.

1 stop11h 11m

Miami

Sat 8/11

9:05 p.m.-12:26 a.m.

Nonstop3h 21m

C$ 409

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/9

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$ 251). Flying from Canada to Key Largo in August is currently the most expensive (average of C$ 369). 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 17 September 2025.

When flying from Canada to Key Largo, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 17 September 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
7.9
Good
365 reviews
Check prices

Overall

7.9

Boarding

8.2

Food

7.6

Comfort

7.9

Crew

8.6

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
7.9
Good
365 reviews
Porter Airlines
7.9
Good
365 reviews
Check prices

Overall

7.9

Boarding

8.2

Food

7.6

Comfort

7.9

Crew

8.6

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
United Airlines
7.4
Good
8,926 reviews
Porter Airlines
7.9
Good
365 reviews
Check prices

Overall

7.9

Boarding

8.2

Food

7.6

Comfort

7.9

Crew

8.6

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
American Airlines
7.2
Good
10,000 reviews
Porter Airlines
7.9
Good
365 reviews
Check prices

Overall

7.9

Boarding

8.2

Food

7.6

Comfort

7.9

Crew

8.6

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
WestJet
7.2
Good
3,095 reviews
Porter Airlines
7.9
Good
365 reviews
Check prices

Overall

7.9

Boarding

8.2

Food

7.6

Comfort

7.9

Crew

8.6

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,000 reviews
Porter Airlines
7.9
Good
365 reviews
Check prices

Overall

7.9

Boarding

8.2

Food

7.6

Comfort

7.9

Crew

8.6

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

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 8h 25m. 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 Air Canada. According to our data, you can fly for as low as C$ 217. Users have also found prices from C$ 234 and C$ 238 on United Airlines and Porter Airlines, respectively.

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

    When deciding which route to take from Canada to Key Largo consider Montreal Pierre Elliott Trudeau Intl - Miami, Toronto Pearson Intl - Miami or Vancouver Intl - 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: British Airways (84%), American Airlines (68%), GOL (68%).

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

    On average you can expect to pay C$ 653 for a flight from Canada to Key Largo. The cheapest flight overall is C$ 229 while the most popular route, (Montreal Pierre Elliott Trudeau Intl - Miami) is currently priced at C$ 387.

  • 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$ 251). Flying from Canada to Key Largo in August is currently the most expensive (average of C$ 369). 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 17 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Flair AirlinesCheapestC$ 114AverageC$ 297FlexibilityNo cancel feeOn-timeN/A
Search Flair Airlines flights
United AirlinesCheapestC$ 145AverageC$ 590FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapestC$ 149AverageC$ 518FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 163AverageC$ 594FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 168AverageC$ 460FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 177AverageC$ 571FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air TransatCheapestC$ 193AverageC$ 441FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
DeltaCheapestC$ 201AverageC$ 520FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Alaska AirlinesCheapestC$ 443AverageC$ 658FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
WestJet EncoreCheapestC$ 518AverageC$ 848FlexibilityNo 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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