Find flights
Deals
Airlines

C$ 98+ Cheap flights from Key Largo

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/3. 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 — YYZ
29 Mar — 5 Apr1
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 27 February 2026.

Cheapest one-way flight

C$ 121

Cheapest round-trip flight

C$ 182

Cheapest airline

Air Canada

Most popular destination

Toronto Pearson Intl (YYZ)
The cheapest one-way flight from Key Largo is currently to Atlanta Hartsfield-Jackson.
Search Deals
The cheapest round-trip flight from Key Largo is currently to Toronto Pearson Intl.
Search Deals
On average, Air Canada currently has the cheapest one-way flight from Key Largo (avg. price of C$ 536).
Search Deals
Toronto Pearson Intl (YYZ) is currently the most popular flight destination from Key Largo (average round-trip price of C$ 332).
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 27 February 2026.

Tue 19/56:15 a.m.
MIA
-
LAS
1 stop9h 35m
Spirit Airlines
Tue 19/512:59 a.m.
LAS
-
MIA
1 stop8h 52m
Spirit Airlines
Deal found 23/2C$ 293
Thu 9/410:39 a.m.
MIA
-
LAS
1 stop24h 39m
Multiple Airlines
Mon 13/410:50 p.m.
LAS
-
MIA
2 stops27h 15m
Multiple Airlines
Deal found 23/2C$ 298
Fri 10/45:50 a.m.
MIA
-
LAS
1 stop14h 24m
Frontier
Mon 13/410:50 p.m.
LAS
-
MIA
2 stops27h 15m
Frontier
Deal found 23/2C$ 301
Wed 8/46:15 a.m.
MIA
-
LAS
1 stop6h 50m
Southwest
Mon 13/45:00 a.m.
LAS
-
MIA
1 stop6h 25m
Southwest
Deal found 23/2C$ 315
Tue 14/46:15 a.m.
MIA
-
LAS
2 stops9h 25m
Southwest
Tue 21/46:35 a.m.
LAS
-
MIA
1 stop7h 55m
Southwest
Deal found 24/2C$ 330
Wed 8/47:12 p.m.
MIA
-
YVR
1 stop19h 00m
Multiple Airlines
Mon 13/47:45 p.m.
YVR
-
MIA
2 stops12h 56m
Multiple Airlines
Deal found 25/2C$ 331
Sat 25/49:21 p.m.
MIA
-
YYC
1 stop25h 04m
Multiple Airlines
Tue 28/47:00 a.m.
YYC
-
MIA
1 stop15h 49m
Multiple Airlines
Deal found 26/2C$ 342
Wed 8/43:12 p.m.
MIA
-
YVR
1 stop23h 00m
Multiple Airlines
Tue 14/47:45 p.m.
YVR
-
MIA
2 stops13h 18m
Multiple Airlines
Deal found 24/2C$ 343
Wed 8/47:12 p.m.
MIA
-
YVR
1 stop19h 00m
Multiple Airlines
Wed 15/412:30 p.m.
YVR
-
MIA
2 stops16h 02m
Multiple Airlines
Deal found 25/2C$ 346
Thu 9/45:05 a.m.
MIA
-
LAS
1 stop9h 31m
Frontier
Sat 11/412:59 a.m.
LAS
-
MIA
1 stop25h 50m
Frontier
Deal found 24/2C$ 349
Wed 29/48:42 a.m.
MIA
-
YVR
1 stop10h 33m
Multiple Airlines
Fri 1/510:55 p.m.
YVR
-
MIA
1 stop22h 54m
Multiple Airlines
Deal found 25/2C$ 350
Mon 20/46:15 p.m.
MIA
-
LAS
1 stop8h 00m
Delta
Tue 28/411:20 p.m.
LAS
-
MIA
1 stop8h 26m
Delta
Deal found 25/2C$ 352

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 27 February 2026. In the last 7 days, Cheapflights users made a total of 629,999 searches

Fly to

Route

Depart

Return

Price

MiamiLas Vegas

MIA - LAS

MIALAS

Miami

Wed 8/4

6:15 a.m.-12:40 p.m.

2 stops9h 25m

Las Vegas Harry Reid Intl

Mon 13/4

6:00 a.m.-4:50 p.m.

1 stop7h 50m

C$ 321

MiamiLas Vegas

MIA - LAS

MIALAS

Miami

Mon 20/4

6:15 p.m.-11:15 p.m.

1 stop8h 00m

Las Vegas Harry Reid Intl

Tue 28/4

6:55 p.m.-5:55 a.m.

1 stop8h 00m

C$ 352

MiamiLas Vegas

MIA - LAS

MIALAS

Miami

Thu 14/5

12:40 p.m.-7:43 p.m.

1 stop10h 03m

Las Vegas Harry Reid Intl

Tue 19/5

10:35 p.m.-10:15 a.m.

1 stop8h 40m

C$ 394

MiamiToronto

MIA - YTZ

MIAYTZ

Miami

Thu 2/4

8:00 a.m.-2:22 p.m.

1 stop6h 22m

Toronto Island

Sat 11/4

7:00 a.m.-1:55 p.m.

1 stop6h 55m

C$ 424

MiamiToronto

MIA - YTZ

MIAYTZ

Miami

Thu 30/4

10:55 a.m.-6:55 p.m.

1 stop8h 00m

Toronto Island

Sun 3/5

1:40 p.m.-7:22 p.m.

1 stop5h 42m

C$ 466

MiamiLas Vegas

MIA - LAS

MIALAS

Miami

Wed 29/7

4:53 p.m.-12:21 a.m.

2 stops10h 28m

Las Vegas Harry Reid Intl

Sat 1/8

10:25 a.m.-8:33 p.m.

1 stop7h 08m

C$ 468

MiamiToronto

MIA - YTZ

MIAYTZ

Miami

Mon 27/4

10:55 a.m.-6:55 p.m.

1 stop8h 00m

Toronto Island

Fri 1/5

5:40 p.m.-9:44 a.m.

1 stop16h 04m

C$ 475

MiamiOttawa

MIA - YOW

MIAYOW

Miami

Fri 15/5

6:10 p.m.-11:54 p.m.

1 stop5h 44m

Ottawa

Mon 18/5

10:00 a.m.-4:16 p.m.

1 stop6h 16m

C$ 483

MiamiOttawa

MIA - YOW

MIAYOW

Miami

Fri 13/3

6:00 a.m.-1:32 p.m.

1 stop7h 32m

Ottawa

Mon 16/3

5:55 p.m.-11:59 p.m.

1 stop6h 04m

C$ 483

MiamiToronto

MIA - YYZ

MIAYYZ

Miami

Fri 1/5

7:40 a.m.-5:39 p.m.

1 stop9h 59m

Toronto Pearson Intl

Tue 5/5

6:00 a.m.-4:23 p.m.

1 stop10h 23m

C$ 486

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/2

Showing 1-10 of 60 resultsSorted by cheapest first
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 Pearson Intl. Price data was last updated on 20 February 2026.

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 49 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, March is the cheapest month in which you can book a flight from Key Largo (average of C$ 100). Flying from Key Largo in August will prove the most costly (average of C$ 148). 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 Pearson Intl. Price data was last updated on 21 February 2026.

Those who are seeking the cheapest fare on flights departing from Key Largo would be wise to consider leaving during Sunday afternoons when prices are typically at their lowest. When considering other options, price-conscious travelers should avoid Sunday at noon 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, Porter Airlines. These airlines depart to the following popular destinations: Toronto.

American Airlines
American Airlines
From C$ 154
Air Canada
Air Canada
From C$ 166
Sunrise Airways
Sunrise Airways
From C$ 714
Avianca
Avianca
From C$ 201

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 Porter Airlines,American Airlines, andAir 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.
Porter Airlines
8.0
Very good
419 reviews
Check prices

Overall

8.0

Food

7.6

Comfort

8.0

Crew

8.6

Entertainment

6.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
Porter Airlines
8.0
Very good
419 reviews
Porter Airlines
8.0
Very good
419 reviews
Check prices

Overall

8.0

Food

7.6

Comfort

8.0

Crew

8.6

Entertainment

6.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
American Airlines
7.2
Good
11,360 reviews
Porter Airlines
8.0
Very good
419 reviews
Check prices

Overall

8.0

Food

7.6

Comfort

8.0

Crew

8.6

Entertainment

6.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
Air Canada
7.1
Good
10,750 reviews
Porter Airlines
8.0
Very good
419 reviews
Check prices

Overall

8.0

Food

7.6

Comfort

8.0

Crew

8.6

Entertainment

6.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!

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 27 February 2026.

  • 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$ 37. While Madrid Barajas airport is usually cheaper if your destination is London with prices starting at C$ 45. 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 March; with August 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$ 37 round trip
    Travel from Madrid to London from C$ 45 round trip
    Travel from Calgary to Toronto from C$ 48 round trip
    Travel from Paris to Porto from C$ 60 round trip
    Travel from Guadalajara to Puerto Vallarta from C$ 67 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.