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 13h 26m. Air Canada provides one of the quickest options available for as low as C$ 896. The distance between St. John's and Key Largo is about 3415 km.

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 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.

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$ 456+ Cheap Flights from St. John's to Key Largo

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

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 23 August 2026.

Sat 7/116:00 a.m. -

1 stop8h 22m

Mon 23/111:50 p.m. -

1 stop9h 37m

Deal found 19/8C$ 889

Sun 22/115:15 a.m. -

1 stop8h 50m

Thu 26/118:00 a.m. -

1 stop7h 55m

Deal found 18/8C$ 896

Tue 27/105:15 a.m. -

1 stop8h 31m

Wed 28/108:00 a.m. -

1 stop7h 55m

Deal found 21/8C$ 925

Sun 8/111:35 p.m. -

2 stops11h 06m

Sat 14/118:00 a.m. -

1 stop7h 55m

Deal found 19/8C$ 932

Sat 7/116:00 a.m. -

1 stop8h 22m

Sat 28/111:50 p.m. -

1 stop9h 37m

Deal found 20/8C$ 935

Sun 4/105:00 a.m. -

1 stop8h 44m

Sun 11/107:10 a.m. -

2 stops11h 23m

Deal found 20/8C$ 940

Thu 26/115:55 p.m. -

1 stop18h 44m

Tue 8/128:00 a.m. -

2 stops9h 37m

Deal found 19/8C$ 974

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

Round-trip from	C$ 889
One-way from	C$ 456
Popular in	October
Cheapest in	June
Average price	C$ 1,281

Porter Airlines
7/11-23/11
2 total stops
17h 59m total
St. John's to Key Largo

Search Deals

2/10
3 total stops
45h 15m total
St. John's to Key Largo

Search Deals

Highest demand for flights based on searches. 6% potential increase in price (C$ 106 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 42 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

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

Cheapest round-trip

St. John'sMiami

YYT St John's - MIA Miami

YYTMIA

St John's

Sun 22/11

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

2 stops13h 26m

Miami

Thu 26/11

8:00 a.m.-5:25 p.m.

1 stop7h 55m

C$ 896

St. John'sMiami

YYT St John's - MIA Miami

YYTMIA

St John's

Thu 26/11

5:55 p.m.-11:09 a.m.

1 stop18h 44m

Miami

Tue 8/12

8:00 a.m.-7:07 p.m.

2 stops9h 37m

C$ 976

Quickest round-trip

St. John'sMiami

YYT St John's - MIA Miami

YYTMIA

St John's

Fri 15/1

1:35 p.m.-11:11 p.m.

2 stops11h 06m

Miami

Sun 31/1

7:25 a.m.-4:56 p.m.

1 stop8h 01m

C$ 977

St. John'sMiami

YYT St John's - MIA Miami

YYTMIA

St John's

Sun 4/10

5:45 a.m.-11:44 p.m.

2 stops19h 29m

Miami

Sun 11/10

7:00 a.m.-12:33 a.m.

2 stops16h 03m

C$ 1,001

St. John'sMiami

YYT St John's - MIA Miami

YYTMIA

St John's

Sun 8/11

2:30 p.m.-12:24 a.m.

1 stop11h 24m

Miami

Sun 15/11

7:20 a.m.-4:56 p.m.

1 stop8h 06m

C$ 1,050

St. John'sMiami

YYT St John's - MIA Miami

YYTMIA

St John's

Thu 26/11

5:00 a.m.-3:19 p.m.

2 stops11h 49m

Miami

Tue 8/12

8:50 a.m.-12:50 a.m.

2 stops14h 30m

C$ 1,053

Cheapest one-way

St. John'sMiami

YYT St John's - MIA Miami

YYTMIA

St John's

Fri 2/10

2:45 p.m.-10:30 a.m.

3 stops45h 15m

C$ 456

St. John'sMiami

YYT St John's - MIA Miami

YYTMIA

St John's

Sat 3/10

7:00 p.m.-10:30 a.m.

3 stops41h 00m

C$ 498

St. John'sMiami

YYT St John's - MIA Miami

YYTMIA

St John's

Sat 3/10

3:00 p.m.-12:55 a.m.

2 stops11h 25m

C$ 501

Quickest one-way

St. John'sMiami

YYT St John's - MIA Miami

YYTMIA

St John's

Sun 4/10

5:00 a.m.-12:14 p.m.

1 stop8h 44m

C$ 505

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/8

Showing 1-10 of 16 resultsSorted by cheapest first

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.

YYT-MIA

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

YYT-KE9

YYT-MIA

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Key Largo

See what other customers who have flown with 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.

Air Canada

7.1

Good

11,514 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Jul 2025

YDF - YYZ

Having excellent support for my mobility issues is so much appreciated. Thank you and your awesome crew.

Air Canada

7.1

Good

11,514 reviews

Air Canada

7.1

Good

11,514 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Jul 2025

YDF - YYZ

Having excellent support for my mobility issues is so much appreciated. Thank you and your awesome crew.

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 13h 26m. Air Canada provides one of the quickest options available for as low as C$ 896. 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.

See more FAQs

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

Airline	Cheapest	Average	Flexibility	On-time
Porter Airlines	CheapestC$ 398	AverageC$ 625	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
Air Canada	CheapestC$ 417	AverageC$ 942	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

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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.

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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?

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Cheap flights from St. John's to Key Largo from C$ 456

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 2/10. 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

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 23 August 2026.

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 23 August 2026.

Best flights from St. John's to Key LargoDiscover 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 23 August 2026.

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 23 August 2026.

Last-minute flights from St. John's to Key LargoDiscover last-minute flight deals from St. John's to Key Largo. Data last updated 23 August 2026 and is based on user searches.

Discover last-minute flight deals from St. John's to Key Largo. Data last updated 23 August 2026 and is based on user searches.

One-way flights from St. John's to Key LargoSearch for one-way flight options from St. John's to Key Largo. Find affordable one-way fares based on user searches. Data last updated 23 August 2026.

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 23 August 2026.

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

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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

Reviews of airlines servicing Key Largo

See what other customers who have flown with 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

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?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for St. John's to Key Largo

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Complete your trip

Complete your trip to Key Largo by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to Florida

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Search flights from St. John's to Key Largo by cabin class

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St. John's and Key Largo flights

Browse other St. John's and Key Largo flight options. Last updated on 23 August 2026.

Other flights from St. John's

Browse through other flights departing from St. John's. Flights are based on user searches made on Cheapflights and were last updated on 23 August 2026.

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St. John's to Key Largo flights

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

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

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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 23 August 2026.

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 23 August 2026.

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 23 August 2026 and is based on user searches.

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 23 August 2026.