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C$ 147+ 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 23/5. 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
17 Jun — 24 Jun1
1 adult
1 adult, Economy, 0 bags

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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MiamiLas Vegas

MIA - LAS

MIALAS

Miami

Wed 5/8

7:10 a.m.-2:35 p.m.

2 stops10h 25m

Las Vegas Harry Reid Intl

Sat 8/8

7:35 a.m.-6:45 p.m.

2 stops8h 10m

C$ 559

MiamiToronto

MIA - YYZ

MIAYYZ

Miami

Tue 9/6

6:05 p.m.-11:58 p.m.

1 stop5h 53m

Toronto Pearson Intl

Tue 30/6

1:40 p.m.-10:17 p.m.

1 stop8h 37m

C$ 583

MiamiMontreal

MIA - YUL

MIAYUL

Miami

Thu 3/9

8:05 a.m.-5:05 p.m.

1 stop9h 00m

Montreal Pierre Elliott Trudeau Intl

Mon 7/9

7:00 a.m.-5:22 p.m.

1 stop10h 22m

C$ 583

MiamiMontreal

MIA - YUL

MIAYUL

Miami

Thu 28/5

12:30 p.m.-9:26 p.m.

1 stop8h 56m

Montreal Pierre Elliott Trudeau Intl

Sat 30/5

11:23 a.m.-11:25 p.m.

1 stop12h 02m

C$ 584

MiamiToronto

MIA - YYZ

MIAYYZ

Miami

Wed 5/8

11:24 a.m.-5:35 p.m.

1 stop6h 11m

Toronto Pearson Intl

Sun 9/8

9:45 a.m.-5:37 p.m.

1 stop7h 52m

C$ 591

MiamiToronto

MIA - YYZ

MIAYYZ

Miami

Wed 7/10

6:40 a.m.-1:39 p.m.

1 stop6h 59m

Toronto Pearson Intl

Thu 15/10

12:15 p.m.-9:38 p.m.

1 stop9h 23m

C$ 591
Quickest round-trip

MiamiToronto

MIA - YYZ

MIAYYZ

Miami

Fri 29/5

4:05 p.m.-9:55 p.m.

1 stop5h 50m

Toronto Pearson Intl

Fri 5/6

6:15 a.m.-12:56 p.m.

1 stop6h 41m

C$ 591

MiamiToronto

MIA - YYZ

MIAYYZ

Miami

Wed 26/8

10:35 a.m.-5:19 p.m.

1 stop6h 44m

Toronto Pearson Intl

Sun 30/8

6:10 a.m.-12:17 p.m.

1 stop6h 07m

C$ 591

MiamiMontreal

MIA - YUL

MIAYUL

Miami

Tue 28/7

8:48 a.m.-4:10 p.m.

1 stop7h 22m

Montreal Pierre Elliott Trudeau Intl

Fri 7/8

6:00 a.m.-2:38 p.m.

1 stop8h 38m

C$ 592

MiamiMontreal

MIA - YUL

MIAYUL

Miami

Wed 10/6

7:07 a.m.-1:09 p.m.

1 stop6h 02m

Montreal Pierre Elliott Trudeau Intl

Thu 11/6

3:25 p.m.-11:22 p.m.

1 stop7h 57m

C$ 592

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/5

Showing 1-10 of 60 resultsSorted by cheapest first
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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 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 16 May 2026.

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

American Airlines
American Airlines
From C$ 160
Air Canada
Air Canada
From C$ 232
Sunrise Airways
Sunrise Airways
From C$ 722
Avianca
Avianca
From C$ 227

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
7.1
Good
11,645 reviews
Check prices

Boarding

7.5

Food

6.4

Crew

7.9

Entertainment

6.9

Overall

7.1

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes
American Airlines
7.1
Good
11,645 reviews
American Airlines
7.1
Good
11,645 reviews
Check prices

Boarding

7.5

Food

6.4

Crew

7.9

Entertainment

6.9

Overall

7.1

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes
Air Canada
7.1
Good
11,062 reviews
American Airlines
7.1
Good
11,645 reviews
Check prices

Boarding

7.5

Food

6.4

Crew

7.9

Entertainment

6.9

Overall

7.1

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes

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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 18 May 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.

  • 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 Paris to Porto from C$ 60 round trip
    Travel from Guadalajara to Puerto Vallarta from C$ 67 round trip
    Travel from Sydney to Melbourne from C$ 80 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?

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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!

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