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C$ 83+ 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 3/6. 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
9 Jun — 16 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 10 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

MiamiSimpson Bay

MIA - SXM

MIASXM

Miami

Tue 4/8

6:00 a.m.-1:53 p.m.

1 stop7h 53m

Simpson Bay Princess Juliana

Thu 20/8

3:18 p.m.-1:07 a.m.

1 stop9h 49m

C$ 433

MiamiDallas

MIA - DFW

MIADFW

Miami

Thu 2/7

6:00 a.m.-12:50 p.m.

1 stop7h 50m

Dallas/Fort Worth

Mon 6/7

3:34 p.m.-11:36 p.m.

1 stop7h 02m

C$ 474

MiamiDallas

MIA - DFW

MIADFW

Miami

Fri 3/7

6:00 a.m.-11:19 a.m.

1 stop6h 19m

Dallas/Fort Worth

Sun 5/7

6:37 p.m.-12:51 a.m.

1 stop5h 14m

C$ 524

MiamiDallas

MIA - DFW

MIADFW

Miami

Wed 27/5

11:37 a.m.-9:04 p.m.

1 stop10h 27m

Dallas/Fort Worth

Fri 29/5

10:50 a.m.-9:03 p.m.

1 stop9h 13m

C$ 548

MiamiLas Vegas

MIA - LAS

MIALAS

Miami

Sat 6/6

7:15 a.m.-2:45 p.m.

2 stops10h 30m

Las Vegas Harry Reid Intl

Wed 10/6

11:30 a.m.-10:50 p.m.

2 stops8h 20m

C$ 570

MiamiSimpson Bay

MIA - SXM

MIASXM

Miami

Tue 4/8

7:00 a.m.-1:53 p.m.

1 stop6h 53m

Simpson Bay Princess Juliana

Wed 5/8

3:18 p.m.-9:28 a.m.

1 stop18h 10m

C$ 583

MiamiMontreal

MIA - YUL

MIAYUL

Miami

Fri 29/5

6:00 a.m.-11:35 a.m.

1 stop5h 35m

Montreal Pierre Elliott Trudeau Intl

Fri 5/6

9:30 a.m.-6:20 p.m.

1 stop8h 50m

C$ 585

MiamiMontreal

MIA - YUL

MIAYUL

Miami

Tue 23/6

1:10 p.m.-8:57 p.m.

1 stop7h 47m

Montreal Pierre Elliott Trudeau Intl

Mon 29/6

6:30 p.m.-10:11 p.m.

Nonstop3h 41m

C$ 587

MiamiToronto

MIA - YYZ

MIAYYZ

Miami

Tue 16/6

7:10 a.m.-5:19 p.m.

1 stop10h 09m

Toronto Pearson Intl

Sat 20/6

6:03 a.m.-2:21 p.m.

1 stop8h 18m

C$ 588

MiamiLas Vegas

MIA - LAS

MIALAS

Miami

Tue 9/6

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

2 stops11h 00m

Las Vegas Harry Reid Intl

Tue 9/6

11:55 p.m.-2:25 p.m.

2 stops11h 30m

C$ 595

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/5

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 2 May 2026.

Those who are seeking the cheapest fare on flights departing from Key Largo would be wise to consider leaving during Wednesday 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$ 159
Air Canada
Air Canada
From C$ 230
Sunrise Airways
Sunrise Airways
From C$ 718
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 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
11,667 reviews
Check prices

Comfort

7.2

Boarding

7.5

Overall

7.1

Crew

7.9

Entertainment

6.9

Food

6.4

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
11,667 reviews
American Airlines
7.1
Good
11,667 reviews
Check prices

Comfort

7.2

Boarding

7.5

Overall

7.1

Crew

7.9

Entertainment

6.9

Food

6.4

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
11,012 reviews
American Airlines
7.1
Good
11,667 reviews
Check prices

Comfort

7.2

Boarding

7.5

Overall

7.1

Crew

7.9

Entertainment

6.9

Food

6.4

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 10 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$ 79 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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