Find flights
Deals
Airlines

C$ 73+ Cheap flights from Key Largo

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 19/12. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
MIA — YUL
20 Dec — 27 Dec1
1 adult
1 adult, Economy, 0 bags

What to know about flights from Key Largo

Discover essential information about flights departing from Key Largo, including flight schedules, destinations, airlines operating at the Key Largo airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 20 November 2025.

Cheapest one-way flight

C$ 29

Cheapest round-trip flight

C$ 152

Cheapest airline

Frontier

Most popular destination

Toronto Pearson Intl (YYZ)
The cheapest one-way flight from Key Largo is currently to Detroit Metropolitan Wayne County.
Search Deals
The cheapest round-trip flight from Key Largo is currently to Toronto Pearson Intl.
Search Deals
On average, Frontier currently has the cheapest one-way flight from Key Largo (avg. price of C$ 220).
Search Deals
Toronto Pearson Intl (YYZ) is currently the most popular flight destination from Key Largo (average round-trip price of C$ 259).
Search Deals

Find flights from Key Largo

Enter your travel dates to find the best prices.

Cheapest flights from Key Largo
Explore the most affordable flight options available from Key Largo. Find the lowest fares based on data from user searches, with prices last updated on 20 November 2025.

Tue 9/1210:19 a.m.MIA - DFW
Nonstop3h 27mSpirit Airlines
Sun 14/125:28 a.m.DFW - MIA
Nonstop2h 45mSpirit Airlines
Deal found 19/11C$ 134
Tue 9/1210:19 a.m.MIA - DFW
Nonstop3h 27mSpirit Airlines
Wed 10/1211:33 a.m.DFW - MIA
1 stop11h 24mSpirit Airlines
Deal found 19/11C$ 141
Tue 9/1210:19 a.m.MIA - DFW
Nonstop3h 27mSpirit Airlines
Sat 13/125:28 a.m.DFW - MIA
Nonstop2h 45mSpirit Airlines
Deal found 19/11C$ 155
Tue 9/1210:19 a.m.MIA - DFW
Nonstop3h 27mMultiple Airlines
Sun 14/126:05 a.m.DFW - MIA
1 stop28h 07mMultiple Airlines
Deal found 19/11C$ 158
Tue 9/1210:19 a.m.MIA - DFW
Nonstop3h 27mMultiple Airlines
Fri 12/126:27 p.m.DFW - MIA
Nonstop3h 00mMultiple Airlines
Deal found 19/11C$ 160
Sun 22/24:01 p.m.MIA - DFW
Nonstop3h 29mSpirit Airlines
Fri 27/27:00 a.m.DFW - MIA
Nonstop2h 50mSpirit Airlines
Deal found 19/11C$ 167
Wed 10/123:13 p.m.MIA - DFW
1 stop8h 41mFrontier
Thu 11/127:14 p.m.DFW - MIA
Nonstop3h 04mFrontier
Deal found 19/11C$ 170
Tue 9/125:58 p.m.MIA - DFW
1 stop16h 16mFrontier
Thu 11/127:14 p.m.DFW - MIA
Nonstop3h 04mFrontier
Deal found 19/11C$ 176
Wed 10/123:13 p.m.MIA - DFW
1 stop8h 41mFrontier
Fri 12/126:27 p.m.DFW - MIA
Nonstop3h 00mFrontier
Deal found 19/11C$ 177
Tue 9/123:00 p.m.MIA - DFW
1 stop8h 54mFrontier
Wed 10/126:05 a.m.DFW - MIA
1 stop9h 23mFrontier
Deal found 19/11C$ 181
Fri 5/1210:19 a.m.MIA - DFW
Nonstop3h 27mMultiple Airlines
Thu 11/127:14 p.m.DFW - MIA
Nonstop3h 04mMultiple Airlines
Deal found 19/11C$ 183
Sat 6/126:05 a.m.MIA - YYC
1 stop31h 39mMultiple Airlines
Fri 12/129:45 p.m.YYC - MIA
2 stops11h 27mMultiple Airlines
Deal found 18/11C$ 304

Find flights from Key Largo within your budget

 
Find flights departing from Key Largo that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 20 November 2025. In the last 7 days, Cheapflights users made a total of 629,999 searches

Fly to

Pierre Elliott Trudeau Intl

Route

Depart

Return

Price

MiamiDallas

MIA - DFW

MIADFW

Miami

Thu 15/1

9:20 p.m.-11:52 p.m.

Nonstop3h 32m

Dallas/Fort Worth

Sun 18/1

8:40 p.m.-11:56 a.m.

1 stop14h 16m

C$ 181

MiamiDallas

MIA - DFW

MIADFW

Miami

Thu 5/2

12:00 p.m.-4:43 p.m.

1 stop5h 43m

Dallas/Fort Worth

Mon 9/2

11:58 a.m.-8:44 p.m.

1 stop7h 46m

C$ 305

MiamiDallas

MIA - DFW

MIADFW

Miami

Thu 8/1

12:00 p.m.-5:18 p.m.

1 stop6h 18m

Dallas/Fort Worth

Sun 11/1

5:25 a.m.-12:14 p.m.

1 stop5h 49m

C$ 305

MiamiDallas

MIA - DFW

MIADFW

Miami

Sat 13/12

6:00 a.m.-10:29 a.m.

1 stop5h 29m

Dallas/Fort Worth

Sun 14/12

11:34 a.m.-5:25 p.m.

1 stop4h 51m

C$ 305

MiamiCalgary

MIA - YYC

MIAYYC

Miami

Thu 15/1

7:45 a.m.-5:06 p.m.

1 stop11h 21m

Calgary

Mon 19/1

12:30 a.m.-11:56 a.m.

1 stop9h 26m

C$ 324

MiamiDallas

MIA - DFW

MIADFW

Miami

Wed 10/12

8:10 a.m.-2:21 p.m.

1 stop7h 11m

Dallas/Fort Worth

Thu 8/1

1:30 p.m.-9:37 p.m.

1 stop7h 07m

C$ 342

MiamiCalgary

MIA - YYC

MIAYYC

Miami

Wed 14/1

5:15 a.m.-7:09 p.m.

1 stop15h 54m

Calgary

Thu 15/1

12:30 a.m.-2:15 p.m.

1 stop11h 45m

C$ 352

MiamiDallas

MIA - DFW

MIADFW

Miami

Wed 10/12

6:00 a.m.-10:29 a.m.

1 stop5h 29m

Dallas/Fort Worth

Wed 10/12

6:21 p.m.-12:46 a.m.

1 stop5h 25m

C$ 363

MiamiCalgary

MIA - YYC

MIAYYC

Miami

Sun 18/1

5:15 a.m.-3:08 p.m.

2 stops11h 53m

Calgary

Sun 25/1

8:55 a.m.-12:47 a.m.

1 stop13h 52m

C$ 371

MiamiDallas

MIA - DFW

MIADFW

Miami

Tue 9/12

8:05 a.m.-1:13 p.m.

1 stop6h 08m

Dallas/Fort Worth

Tue 9/12

6:21 p.m.-12:46 a.m.

1 stop5h 25m

C$ 378

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/11

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Key Largo

Have a flexible travel schedule? Discover the best time to fly from Key Largo 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.

Travel insights for flights from Key Largo

Get recent, data-driven insights about flights from Key Largo including ideal travel times, pricing trends, and more.

When is the best time to book a flight from Key Largo?

Use this chart to determine the optimal time to book a round-trip flight from Key Largo to Pierre Elliott Trudeau Intl. Price data was last updated on 14 November 2025.

The price you pay for your flight from Key Largo may vary depending on when you book. For the best chance of a lower fare, look to book 84 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, April is the cheapest month in which you can book a flight from Key Largo (average of C$ 55). Flying from Key Largo in July will prove the most costly (average of C$ 166). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

When is the cheapest time to fly from Key Largo?

Use this chart to determine the cheapest time to fly round-trip from Key Largo to Pierre Elliott Trudeau Intl. Price data was last updated on 2 November 2025.

Those who are seeking the cheapest fare on flights departing from Key Largo would be wise to consider leaving during Tuesday evenings when prices are typically at their lowest. When considering other options, price-conscious travelers should avoid Tuesday afternoons when fares are usually the most expensive.

Which airlines fly from Key Largo?

For flights departing from Key Largo check dates and pricing for the following: Air Canada, American Airlines. These airlines depart to the following popular destinations: Montreal.

Air Canada
Air Canada
From C$ 207
American Airlines
American Airlines
From C$ 159
Sunrise Airways
Sunrise Airways
From C$ 735
Avianca
Avianca
From C$ 233

Airline reviews for flights from Key Largo

Get insights into the airlines that provide service from 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 airline for your flight from Key Largo. In the last 7 days, Cheapflights users made a total of 629,999 searches.
Get a feel of what it's like to fly with American Airlines and Air Canada from Key Largo by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,045 reviews
Check prices

Crew

8.0

Comfort

7.2

Entertainment

6.9

Boarding

7.5

Overall

7.2

Food

6.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

MIA - DCA

Flight delayed 5 hours and was told it was due to mechanical issues. Instead of providing lodging due to missed connecting flight, American changed the cause of delay to weather, which meant they were not able required to provide a hotel. To make matters worse, one of our checked bags was lost even though its status said it was “by the plane” but no one at the service desk seemed able to locate it.
American Airlines
7.2
Good
11,045 reviews
American Airlines
7.2
Good
11,045 reviews
Check prices

Crew

8.0

Comfort

7.2

Entertainment

6.9

Boarding

7.5

Overall

7.2

Food

6.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

MIA - DCA

Flight delayed 5 hours and was told it was due to mechanical issues. Instead of providing lodging due to missed connecting flight, American changed the cause of delay to weather, which meant they were not able required to provide a hotel. To make matters worse, one of our checked bags was lost even though its status said it was “by the plane” but no one at the service desk seemed able to locate it.
Air Canada
7.1
Good
10,462 reviews
American Airlines
7.2
Good
11,045 reviews
Check prices

Crew

8.0

Comfort

7.2

Entertainment

6.9

Boarding

7.5

Overall

7.2

Food

6.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

MIA - DCA

Flight delayed 5 hours and was told it was due to mechanical issues. Instead of providing lodging due to missed connecting flight, American changed the cause of delay to weather, which meant they were not able required to provide a hotel. To make matters worse, one of our checked bags was lost even though its status said it was “by the plane” but no one at the service desk seemed able to locate it.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Related info for your journey

Access useful and relevant information related to your journey from Key Largo. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 20 November 2025.

  • Which is the cheapest airport to catch a flight from Key Largo?

    The cheapest routes to Jeju City can be found at Busan Gimhae airport from C$ 38. While Madrid Barajas airport is usually cheaper if your destination is London with prices starting at C$ 46. Reference our flight search to find the best deals in real time.

  • What is the cheapest month to fly from Key Largo?

    At the present moment the cheapest month to fly from Key Largo is currently April; with July being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • Where are the cheapest places to fly to from Key Largo?

    Check out the cheapest flights from Key Largo to embark to:
    Travel from Busan to Jeju City from C$ 38 round trip
    Travel from Madrid to London from C$ 46 round trip
    Travel from Montreal to Halifax from C$ 59 round trip
    Travel from Paris to Porto from C$ 62 round trip
    Travel from Edmonton to Abbotsford from C$ 69 round trip

  • How does Cheapflights help users find flights from Key Largo?

    900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight from Key Largo today with Cheapflights!

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

    Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Key Largo for you. Better yet — we are completely free to use.

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

    Certainly. Search results for flights from Key Largo shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

    Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

See more FAQs

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 Key Largo?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight from Key Largo today with Cheapflights!

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Key Largo for you. Better yet — we are completely free to use.

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

Certainly. Search results for flights from Key Largo shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.