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 19h 11m. Air Canada provides one of the quickest options available for as low as C$ 503. 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 3 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$ 251+ 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.

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 28 December 2025.

Wed 11/26:35 a.m.YYT - MIA

1 stop19h 11mAir Canada

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

1 stop7h 51mAir Canada

Deal found 28/12C$ 503

Sat 24/15:05 a.m.YYT - MIA

2 stops12h 59mUnited Airlines

Sat 31/19:00 a.m.MIA - YYT

2 stops15h 28mUnited Airlines

Deal found 27/12C$ 562

Sun 19/46:10 p.m.YYT - MIA

1 stop18h 38mAir Canada

Thu 23/48:00 a.m.MIA - YYT

1 stop7h 51mAir Canada

Deal found 28/12C$ 503

Sun 19/46:10 p.m.YYT - MIA

1 stop18h 38mAir Canada

Tue 21/412:25 p.m.MIA - YYT

2 stops9h 33mAir Canada

Deal found 28/12C$ 508

Sat 18/41:30 p.m.YYT - MIA

2 stops23h 09mUnited Airlines

Wed 22/41:20 p.m.MIA - YYT

2 stops10h 06mUnited Airlines

Deal found 28/12C$ 562

Wed 4/25:05 a.m.YYT - MIA

2 stops11h 03mUnited Airlines

Thu 12/212:15 p.m.MIA - YYT

2 stops12h 13mUnited Airlines

Deal found 25/12C$ 562

Wed 4/25:05 a.m.YYT - MIA

1 stop8h 04mAir Canada

Thu 12/27:25 a.m.MIA - YYT

1 stop17h 03mAir Canada

Deal found 25/12C$ 521

Mon 13/41:30 p.m.YYT - MIA

2 stops23h 09mUnited Airlines

Sat 18/48:55 a.m.MIA - YYT

2 stops15h 08mUnited Airlines

Deal found 28/12C$ 567

Wed 15/46:10 p.m.YYT - MIA

1 stop18h 38mAir Canada

Mon 20/49:05 p.m.MIA - YYT

2 stops14h 08mAir Canada

Deal found 28/12C$ 541

Mon 13/46:10 p.m.YYT - MIA

1 stop18h 38mAir Canada

Tue 21/48:00 a.m.MIA - YYT

1 stop15h 26mAir Canada

Deal found 28/12C$ 545

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 28 December 2025 and is based on user searches.

Tue 20/15:05 a.m.YYT - MIA

1 stop8h 04mAir Canada

Thu 22/18:00 a.m.MIA - YYT

2 stops10h 45mAir Canada

Deal found 27/12C$ 466

Sat 24/15:05 a.m.YYT - MIA

2 stops12h 59mUnited Airlines

Sat 31/19:00 a.m.MIA - YYT

2 stops15h 28mUnited Airlines

Deal found 27/12C$ 562

Sat 24/16:10 p.m.YYT - MIA

1 stop18h 45mAir Canada

Sat 31/18:00 a.m.MIA - YYT

1 stop7h 51mAir Canada

Deal found 27/12C$ 593

Sat 24/16:20 a.m.YYT - MIA

1 stop9h 05mMultiple Airlines

Sat 31/18:43 p.m.MIA - YYT

2 stops40h 18mMultiple Airlines

Deal found 27/12C$ 739

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 28 December 2025.

Mon 9/26:15 a.m.YYT - MIA

1 stop9h 10mPorter Airlines

Deal found 26/12C$ 251

Mon 9/23:35 p.m.YYT - MIA

2 stops45h 51mMultiple Airlines

Deal found 26/12C$ 277

Thu 26/21:30 p.m.YYT - MIA

2 stops22h 55mUnited Airlines

Deal found 26/12C$ 325

Thu 26/25:00 a.m.YYT - MIA

1 stop16h 50mAir Canada

Deal found 27/12C$ 347

Sun 5/46:35 a.m.YYT - MIA

1 stop10h 19mAir Canada

Deal found 26/12C$ 491

Sun 5/46:20 a.m.YYT - MIA

3 stops31h 42mMultiple Airlines

Deal found 25/12C$ 514

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

Round-trip from	C$ 466
One-way from	C$ 251
Popular in	April
Cheapest in	December
Average price	C$ 620

Air Canada
10/2-17/2
3 total stops
18h 25m total
St. John's to Key Largo

Search Deals

Porter Airlines
9/2
1 total stop
9h 10m total
St. John's to Key Largo

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (C$ 145 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 30 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

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

St. John'sMiami

YYT - MIA

YYTMIA

St John's

Wed 11/2

6:35 a.m.-12:16 a.m.

1 stop19h 11m

Miami

Tue 17/2

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

1 stop7h 51m

C$ 503

St. John'sMiami

YYT - MIA

YYTMIA

St John's

Sun 19/4

6:10 p.m.-11:18 a.m.

1 stop18h 38m

Miami

Thu 23/4

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

1 stop7h 51m

C$ 503

St. John'sMiami

YYT - MIA

YYTMIA

St John's

Sun 19/4

6:10 p.m.-11:18 a.m.

1 stop18h 38m

Miami

Tue 21/4

12:25 p.m.-11:28 p.m.

2 stops9h 33m

C$ 508

St. John'sMiami

YYT - MIA

YYTMIA

St John's

Wed 4/2

5:05 a.m.-11:39 a.m.

1 stop8h 04m

Miami

Thu 12/2

7:25 a.m.-1:58 a.m.

1 stop17h 03m

C$ 521

St. John'sMiami

YYT - MIA

YYTMIA

St John's

Wed 15/4

6:10 p.m.-11:18 a.m.

1 stop18h 38m

Miami

Mon 20/4

9:05 p.m.-12:43 p.m.

2 stops14h 08m

C$ 541

St. John'sMiami

YYT - MIA

YYTMIA

St John's

Mon 13/4

6:10 p.m.-11:18 a.m.

1 stop18h 38m

Miami

Tue 21/4

8:00 a.m.-12:56 a.m.

1 stop15h 26m

C$ 545

St. John'sMiami

YYT - MIA

YYTMIA

St John's

Sat 24/1

5:05 a.m.-4:34 p.m.

2 stops12h 59m

Miami

Sat 31/1

9:00 a.m.-1:58 a.m.

2 stops15h 28m

C$ 562

St. John'sMiami

YYT - MIA

YYTMIA

St John's

Sat 18/4

1:30 p.m.-11:09 a.m.

2 stops23h 09m

Miami

Wed 22/4

1:20 p.m.-12:56 a.m.

2 stops10h 06m

C$ 562

St. John'sMiami

YYT - MIA

YYTMIA

St John's

Wed 4/2

5:05 a.m.-2:38 p.m.

2 stops11h 03m

Miami

Thu 12/2

12:15 p.m.-1:58 a.m.

2 stops12h 13m

C$ 562

St. John'sMiami

YYT - MIA

YYTMIA

St John's

Mon 13/4

1:30 p.m.-11:09 a.m.

2 stops23h 09m

Miami

Sat 18/4

8:55 a.m.-1:33 a.m.

2 stops15h 08m

C$ 567

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/12

Showing 1-10 of 17 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 28 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, October is the cheapest month in which you can book a flight from St. John's to Key Largo (average of C$ 332). Flying from St. John's to Key Largo in December is currently the most expensive (average of C$ 478). 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.

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

8.0

Very good

402 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Porter Airlines

8.0

Very good

402 reviews

Porter Airlines

8.0

Very good

402 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Air Canada

7.1

Good

10,562 reviews

Porter Airlines

8.0

Very good

402 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

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 3 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 19h 11m. Air Canada provides one of the quickest options available for as low as C$ 503. 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, October is the cheapest month in which you can book a flight from St. John's to Key Largo (average of C$ 332). Flying from St. John's to Key Largo in December is currently the most expensive (average of C$ 478). 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 3 airlines flying from St. John's to Key Largo

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	CheapestC$ 288	AverageC$ 683	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air Canada	CheapestC$ 369	AverageC$ 820	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Porter Airlines	CheapestC$ 386	AverageC$ 637	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines 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.

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$ 251

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 9/2. 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

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 28 December 2025.

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 28 December 2025.

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 28 December 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 26 December 2025.

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

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 3 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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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 28 December 2025.