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 10h 32m. Air Canada provides one of the quickest options available for as low as C$ 746. 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$ 359+ Cheap Flights from St. John's to Key Largo

Q: How much does it cost to fly round-trip from St. John's to Key Largo?

Airfare is below average for this route at the moment. St. John's to Key Largo flights typically cost between C$ 1,053 and C$ 768 in September. The cheapest round-trip price found within the last 3 days was C$ 739 on Air Canada (28 Sep-30 Sep).

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 17 April 2026.

Mon 28/91:15 p.m.

YYT

MIA

1 stop10h 32m

Air Canada

Wed 30/98:15 a.m.

MIA

YYT

1 stop7h 23m

Air Canada

Deal found 13/4C$ 739

Tue 29/91:15 p.m.

YYT

MIA

1 stop10h 32m

Air Canada

Wed 30/98:15 a.m.

MIA

YYT

2 stops9h 58m

Air Canada

Deal found 12/4C$ 790

Tue 29/95:35 a.m.

YYT

MIA

2 stops11h 06m

United Airlines

Wed 30/910:20 a.m.

MIA

YYT

2 stops12h 43m

United Airlines

Deal found 12/4C$ 841

Mon 28/95:35 a.m.

YYT

MIA

2 stops12h 00m

United Airlines

Wed 30/910:20 a.m.

MIA

YYT

2 stops12h 43m

United Airlines

Deal found 13/4C$ 893

Sun 10/53:00 p.m.

YYT

MIA

2 stops11h 17m

WestJet

Sun 17/56:35 a.m.

MIA

YYT

2 stops38h 50m

WestJet

Deal found 12/4C$ 981

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

Round-trip from	C$ 739
One-way from	C$ 359
Popular in	July
Cheapest in	June
Average price	C$ 1,034

Air Canada
28/9-30/9
2 total stops
17h 55m total
St. John's to Key Largo

Search Deals

29/5
3 total stops
44h 57m total
St. John's to Key Largo

Search Deals

Highest demand for flights based on searches. 5% potential increase in price (C$ 59 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (C$ 63 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

St. John'sMiami

YYT - MIA

YYTMIA

St John's

Mon 28/9

1:15 p.m.-10:17 p.m.

1 stop10h 32m

Miami

Wed 30/9

8:15 a.m.-5:08 p.m.

1 stop7h 23m

C$ 746

St. John'sMiami

YYT - MIA

YYTMIA

St John's

Tue 29/9

5:35 a.m.-3:11 p.m.

2 stops11h 06m

Miami

Wed 30/9

10:20 a.m.-12:33 a.m.

2 stops12h 43m

C$ 841

St. John'sMiami

YYT - MIA

YYTMIA

St John's

Mon 28/9

5:35 a.m.-4:05 p.m.

2 stops12h 00m

Miami

Wed 30/9

10:20 a.m.-12:33 a.m.

2 stops12h 43m

C$ 893

St. John'sMiami

YYT - MIA

YYTMIA

St John's

Sun 31/5

2:05 p.m.-10:17 p.m.

1 stop9h 42m

Miami

Sun 7/6

7:15 a.m.-12:36 a.m.

1 stop15h 51m

C$ 1,027

St. John'sMiami

YYT - MIA

YYTMIA

St John's

Fri 15/5

3:00 p.m.-12:47 a.m.

2 stops11h 17m

Miami

Mon 18/5

5:51 p.m.-10:55 p.m.

2 stops27h 34m

C$ 1,086

St. John'sMiami

YYT - MIA

YYTMIA

St John's

Sun 31/5

5:00 a.m.-10:27 p.m.

2 stops18h 57m

Miami

Sun 7/6

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

2 stops22h 17m

C$ 1,177

Cheapest one-way

St. John'sMiami

YYT - MIA

YYTMIA

St John's

Fri 29/5

3:00 p.m.-10:27 a.m.

3 stops44h 57m

C$ 359

Quickest one-way

St. John'sMiami

YYT - MIA

YYTMIA

St John's

Sun 31/5

2:05 p.m.-10:17 p.m.

1 stop9h 42m

C$ 410

St. John'sMiami

YYT - MIA

YYTMIA

St John's

Sun 31/5

6:05 a.m.-10:02 a.m.

3 stops29h 27m

C$ 413

St. John'sMiami

YYT - MIA

YYTMIA

St John's

Fri 29/5

3:00 p.m.-6:20 p.m.

2 stops28h 50m

C$ 420

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/4

Showing 1-10 of 17 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

How much does it cost to fly round-trip from St. John's to Key Largo?

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

10,932 reviews

Check prices

Reviews

1 / 20

6.0

Good

Paula,Mar 2026

YVR - PSP

Everything was OK, but we waited on the tarmac for an hour and 20 minutes after landing because there was no available gate. This is a daily occurrence at the Palm Springs airport, and happens with Air Canada and WestJet constantly.

Air Canada

7.1

Good

10,932 reviews

Air Canada

7.1

Good

10,932 reviews

Check prices

Reviews

1 / 20

6.0

Good

Paula,Mar 2026

YVR - PSP

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 10h 32m. Air Canada provides one of the quickest options available for as low as C$ 746. 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.

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

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 399	AverageC$ 786	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Porter Airlines	CheapestC$ 400	AverageC$ 575	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights

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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$ 359

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 29/5. 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 17 April 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 17 April 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 17 April 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 17 April 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 17 April 2026 and is based on user searches.

Discover last-minute flight deals from St. John's to Key Largo. Data last updated 17 April 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 17 April 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 17 April 2026.

Find 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 April 2026.

Round-trip from

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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 much does it cost to fly round-trip from St. John's to Key Largo?

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

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?

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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Direct flights to Florida

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St. John's and Key Largo flights

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Other flights from St. John's

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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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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 April 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 17 April 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 17 April 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 17 April 2026.