How long is the flight from St. John's to Key Largo?

A quick flight from St. John's to Key Largo can take about 11h 29m. Air Canada provides one of the quickest options available for as low as C$ 546. The distance between St. John's and Key Largo is about 3415 km.

What is the cheapest day to fly from St. John's to Key Largo?

Travelers seeking maximum savings on their St. John's to Key Largo flight should consider departing on Tuesday mornings when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Key Largo ranges from 41.0 - 252.0 mm per month. September is typically the wettest month, when rainfall can reach 252.0 mm. January is typically the driest time to visit Key Largo when rainfall is around 41.0 mm.

If weather is an important factor for your trip to Key Largo, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 20.0 C).

What airport do you fly from for flights from St. John's to Key Largo?

St John's (YYT) is the airport you will fly out of if you book a flight from St. John's to Key Largo. You should not have trouble finding flights to Key Largo from St John's; the airport handles an average of 0 outbound flights to Key Largo per day. You should also have plenty of airline options to choose from since 2 airlines have flights from the St. John's airport to Key Largo. It is only a 6.7 km journey to St John's (YYT) from St. John's’s city centre.

Can I find deals for flights from St. John's to Key Largo that include hotel bookings?

Yes. In addition to deals on St. John's to Key Largo flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from St. John's to Key Largo?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. John's to Key Largo.

Can I find deals for business class flights from St. John's to Key Largo?

Yes. Cheapflights offers flight deals from St. John's 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.

C$ 355+ Flights from St. John's to Key Largo

Cheap flight deals from St. John's to Key Largo

Round-trip from	C$ 546
One-way from	C$ 355
Popular in	April
Cheapest in	September
Average price	C$ 673

Air Canada
16/3-20/3
2 total stops
15h 55m total
St. John's to Key Largo

Search Deals

31/10
3 total stops
31h 31m total
St. John's to Key Largo

Search Deals

Highest demand for flights based on searches. 12% potential increase in price (C$ 162 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (C$ 34 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find flight deals from St. John's to Key Largo

Cheapest flights from St. John's to Key Largo
Explore the most affordable flight options available from St. John's to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Wed 15/105:00 a.m.YYT - MIA

2 stops19h 15mMultiple Airlines

Wed 22/102:25 p.m.MIA - YYT

1 stop8h 44mMultiple Airlines

Deal found 17/9C$ 647

Wed 15/101:50 p.m.YYT - MIA

1 stop8h 28mAir Canada

Wed 22/102:25 p.m.MIA - YYT

1 stop8h 44mAir Canada

Deal found 17/9C$ 706

Fri 7/116:15 p.m.YYT - MIA

2 stops21h 52mUnited Airlines

Sat 15/116:45 a.m.MIA - YYT

2 stops17h 21mUnited Airlines

Deal found 17/9C$ 752

Fri 7/118:55 p.m.YYT - MIA

2 stops27h 04mAir Canada

Sat 15/118:00 a.m.MIA - YYT

1 stop7h 51mAir Canada

Deal found 15/9C$ 810

Thu 6/115:00 a.m.YYT - MIA

2 stops20h 26mMultiple Airlines

Sun 16/119:05 p.m.MIA - YYT

2 stops14h 10mMultiple Airlines

Deal found 17/9C$ 934

Best flights from St. John's to Key Largo
Discover carefully curated flight deals from St. John's to Key Largo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 17 September 2025.

Mon 16/37:30 a.m.YYT - MIA

2 stops11h 29mAir Canada

Fri 20/38:00 a.m.MIA - YYT

1 stop7h 51mAir Canada

Deal found 16/9C$ 546

Wed 15/105:00 a.m.YYT - MIA

2 stops19h 15mMultiple Airlines

Wed 22/102:25 p.m.MIA - YYT

1 stop8h 44mMultiple Airlines

Deal found 17/9C$ 647

Fri 6/21:30 p.m.YYT - MIA

2 stops23h 16mUnited Airlines

Tue 17/26:15 a.m.MIA - YYT

2 stops15h 28mUnited Airlines

Deal found 15/9C$ 652

Fri 6/26:50 a.m.YYT - MIA

2 stops18h 39mMultiple Airlines

Tue 17/28:00 a.m.MIA - YYT

1 stop7h 51mMultiple Airlines

Deal found 15/9C$ 649

Last-minute flights from St. John's to Key Largo
Discover last-minute flight deals from St. John's to Key Largo. Data last updated 17 September 2025 and is based on user searches.

Wed 15/105:00 a.m.YYT - MIA

2 stops19h 15mMultiple Airlines

Wed 22/102:25 p.m.MIA - YYT

1 stop8h 44mMultiple Airlines

Deal found 17/9C$ 647

Wed 15/101:50 p.m.YYT - MIA

1 stop8h 28mAir Canada

Wed 22/102:25 p.m.MIA - YYT

1 stop8h 44mAir Canada

Deal found 17/9C$ 706

Wed 15/108:45 a.m.YYT - MIA

3 stops15h 30mUnited Airlines

Wed 22/106:00 a.m.MIA - YYT

2 stops17h 09mUnited Airlines

Deal found 17/9C$ 1,381

One-way flights from St. John's to Key Largo
Search for one-way flight options from St. John's to Key Largo. Find affordable one-way fares based on user searches. Data last updated 17 September 2025.

Fri 31/106:20 a.m.YYT - MIA

3 stops31h 31mMultiple Airlines

Deal found 16/9C$ 355

Fri 31/105:05 a.m.YYT - MIA

2 stops11h 51mAir Canada

Deal found 16/9C$ 356

Fri 31/105:40 p.m.YYT - MIA

1 stop20h 59mPorter Airlines

Deal found 16/9C$ 365

Thu 26/26:35 a.m.YYT - MIA

1 stop10h 21mAir Canada

Deal found 15/9C$ 406

Sun 9/115:40 p.m.YYT - MIA

1 stop20h 59mPorter Airlines

Deal found 15/9C$ 464

Thu 26/25:05 a.m.YYT - MIA

2 stops18h 46mUnited Airlines

Deal found 15/9C$ 508

Thu 26/26:20 a.m.YYT - MIA

2 stops28h 20mMultiple Airlines

Deal found 15/9C$ 510

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. John's to Key Largo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. John'sMiami

YYT - MIA

YYTMIA

St John's

Mon 16/3

7:30 a.m.-5:29 p.m.

2 stops11h 29m

Miami

Fri 20/3

8:00 a.m.-5:21 p.m.

1 stop7h 51m

C$ 546

St. John'sMiami

YYT - MIA

YYTMIA

St John's

Wed 15/10

5:00 a.m.-10:45 p.m.

2 stops19h 15m

Miami

Wed 22/10

2:25 p.m.-12:39 a.m.

1 stop8h 44m

C$ 647

St. John'sMiami

YYT - MIA

YYTMIA

St John's

Fri 6/2

6:50 a.m.-11:59 p.m.

2 stops18h 39m

Miami

Tue 17/2

8:00 a.m.-5:21 p.m.

1 stop7h 51m

C$ 649

St. John'sMiami

YYT - MIA

YYTMIA

St John's

Fri 6/2

1:30 p.m.-11:16 a.m.

2 stops23h 16m

Miami

Tue 17/2

6:15 a.m.-11:13 p.m.

2 stops15h 28m

C$ 652

St. John'sMiami

YYT - MIA

YYTMIA

St John's

Fri 31/10

6:20 a.m.-12:21 p.m.

3 stops31h 31m

C$ 355

St. John'sMiami

YYT - MIA

YYTMIA

St John's

Fri 31/10

5:05 a.m.-3:26 p.m.

2 stops11h 51m

C$ 356

St. John'sMiami

YYT - MIA

YYTMIA

St John's

Fri 31/10

5:40 p.m.-1:09 p.m.

1 stop20h 59m

C$ 365

St. John'sMiami

YYT - MIA

YYTMIA

St John's

Thu 26/2

6:35 a.m.-3:26 p.m.

1 stop10h 21m

C$ 406

St. John'sMiami

YYT - MIA

YYTMIA

St John's

Sun 9/11

5:40 p.m.-1:09 p.m.

1 stop20h 59m

C$ 464

St. John'sMiami

YYT - MIA

YYTMIA

St John's

Thu 26/2

5:05 a.m.-10:21 p.m.

2 stops18h 46m

C$ 508

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/9

Showing 1-10 of 11 results

Best time to book a flight from St. John's to Key Largo

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

How far ahead should I book a flight from St. John's to Key Largo?

The best time to book flights from St. John's to Key Largo is 34 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from St. John's to Key Largo?

Currently, April is the cheapest month in which you can book a flight from St. John's to Key Largo (average of C$ 251). Flying from St. John's 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 YYT to KE9?

When flying from St. John's 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

See what other customers who have flown with Porter Airlines and Air Canada from St. John's to Key Largo have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Porter Airlines

7.9

Good

365 reviews

Check prices

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

Reviews

1 / 20

2.0

Mediocre

Anonymous,Sep 2025

YYZ - OPO

Air Canada

7.1

Good

10,000 reviews

Porter Airlines

7.9

Good

365 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Sep 2025

YYZ - OPO

Related info for your journey

What airport do you fly from for flights from St. John's to Key Largo?
St John's (YYT) is the airport you will fly out of if you book a flight from St. John's to Key Largo. You should not have trouble finding flights to Key Largo from St John's; the airport handles an average of 0 outbound flights to Key Largo per day. You should also have plenty of airline options to choose from since 2 airlines have flights from the St. John's airport to Key Largo. It is only a 6.7 km journey to St John's (YYT) from St. John's’s city centre.
How long is the flight from St. John's to Key Largo?
A quick flight from St. John's to Key Largo can take about 11h 29m. Air Canada provides one of the quickest options available for as low as C$ 546. The distance between St. John's and Key Largo is about 3415 km.
Can I find deals for flights from St. John's to Key Largo that include hotel bookings?
Yes. In addition to deals on St. John's to Key Largo flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St. John's to Key Largo?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. John's to Key Largo.
Can I find deals for business class flights from St. John's to Key Largo?
Yes. Cheapflights offers flight deals from St. John's 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 St. John's to Key Largo?
Currently, April is the cheapest month in which you can book a flight from St. John's to Key Largo (average of C$ 251). Flying from St. John's 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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Top 2 airlines flying from St. John's to Key Largo

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 372	AverageC$ 808	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Porter Airlines	CheapestC$ 399	AverageC$ 657	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from St. John's to Key Largo?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from St. John's to Key Largo. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from St. John's to Key Largo?

Millions of users choose and trust Cheapflights to book the best flight deals from St. John's to Key Largo for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from St. John's to Key Largo with no change fees?

Yes, we can. To see specific flights from St. John's to Key Largo with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from St. John's to Key Largo become cheaper?

Not ready to book yet? You can track prices for flights from St. John's to Key Largo on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Cheap flights from St. John's to Key Largo from C$ 355

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 31/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from St. John's to Key Largo

Keep the following information in mind while searching for St. John's to Key Largo flight deals. Data was last updated 17 September 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from St. John's to Key Largo

Cheapest flights from St. John's to Key LargoExplore the most affordable flight options available from St. John's to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Explore the most affordable flight options available from St. John's to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. John's to Key Largo that are best for you.

Best time to book a flight from St. John's to Key Largo

Have a flexible travel schedule? Discover the best time to fly to Key Largo from St. John's with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from St. John's to Key Largo

How far ahead should I book a flight from St. John's to Key Largo?

Use this chart to determine the optimal time to book a round-trip flight from St. John's to Key Largo. Price data was last updated on 12 September 2025.

What is the cheapest month to book a flight from St. John's to Key Largo?

What is the cheapest time of day to fly from YYT to KE9?

Find hourly flight availability from St. John's 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.

Reviews of airlines servicing Key Largo

See what other customers who have flown with Porter Airlines and Air Canada from St. John's to Key Largo have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from St. John's to Key Largo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from St. John's to Key Largo?

How long is the flight from St. John's to Key Largo?

Can I find deals for flights from St. John's to Key Largo that include hotel bookings?

How can I find direct flights from St. John's to Key Largo?

Can I find deals for business class flights from St. John's to Key Largo?

What is the cheapest month to book a flight from St. John's to Key Largo?

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.

Alternative routes for St. John's to Key Largo

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from St. John's to Key Largo

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 St. John's to Key Largo?

Why should you use Cheapflights to find cheap flight tickets from St. John's to Key Largo?

Can Cheapflights find flights from St. John's to Key Largo with no change fees?

Can Cheapflights notify me if prices for flights from St. John's to Key Largo become cheaper?

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Cheapest flights from St. John's to Key Largo
Explore the most affordable flight options available from St. John's to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.