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Cheap flights from St. John's to Key Largo from C$ 301

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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
YYT — MIA
8 Jul — 15 Jul1
1 adult

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 3 July 2025.

Round-trip from

C$ 532

One-way from

C$ 301

Popular in

April

Cheapest in

September

Average price

C$ 880
Air Canada
  • Air Canada
  • 15/10-25/10
  • 3 total stops
  • 22h 55m total
  • St. John's to Key Largo
Air Canada
  • Air Canada
  • 12/7
  • 2 total stops
  • 10h 46m total
  • St. John's to Key Largo
Highest demand for flights based on searches. 10% potential increase in price (C$ 132 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease (C$ 26 potential savings vs. average RT price).
Average for round-trip flights in July 2025

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 3 July 2025.

Wed 15/105:50 a.m.YYT - MIA
1 stop9h 00mAir Canada
Sat 25/109:45 p.m.MIA - YYT
2 stops13h 55mAir Canada
Deal found 1/7C$ 532
Fri 17/101:50 p.m.YYT - MIA
2 stops22h 40mUnited Airlines
Sat 25/106:05 a.m.MIA - YYT
2 stops14h 06mUnited Airlines
Deal found 2/7C$ 561
Fri 29/85:50 a.m.YYT - MIA
2 stops18h 25mMultiple Airlines
Mon 1/97:55 a.m.MIA - YYT
2 stops12h 58mMultiple Airlines
Deal found 30/6C$ 665
Sat 8/116:00 a.m.YYT - MIA
1 stop8h 35mPorter Airlines
Sat 15/112:05 p.m.MIA - YYT
1 stop20h 30mPorter Airlines
Deal found 2/7C$ 940
Mon 28/77:40 p.m.YYT - MIA
2 stops16h 42mWestJet
Wed 6/87:23 a.m.MIA - YYT
2 stops21h 10mWestJet
Deal found 1/7C$ 1,601

Cheapflights Fare Finder

Customize your flight search to find flights from St. John's to Key Largo that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 3 July 2025.
Use the filters below to find and compare flights from St. John's to Key Largo that are best for you.

Fly from

St. John's

Fly to

Key Largo

Route

Depart

Return

Price

St. John'sMiami

YYT - MIA

YYTMIA

St John's

Wed 15/10

5:50 a.m.-1:20 p.m.

1 stop9h 00m

Miami

Sat 25/10

9:45 p.m.-1:10 p.m.

2 stops13h 55m

C$ 532

St. John'sMiami

YYT - MIA

YYTMIA

St John's

Fri 17/10

1:50 p.m.-11:00 a.m.

2 stops22h 40m

Miami

Sat 25/10

6:05 a.m.-9:41 p.m.

2 stops14h 06m

C$ 561

St. John'sMiami

YYT - MIA

YYTMIA

St John's

Fri 29/8

5:50 a.m.-10:45 p.m.

2 stops18h 25m

Miami

Mon 1/9

7:55 a.m.-10:23 p.m.

2 stops12h 58m

C$ 665

St. John'sMiami

YYT - MIA

YYTMIA

St John's

Sat 8/11

6:00 a.m.-1:05 p.m.

1 stop8h 35m

Miami

Sat 15/11

2:05 p.m.-12:05 p.m.

1 stop20h 30m

C$ 940

St. John'sMiami

YYT - MIA

YYTMIA

St John's

Mon 28/7

7:40 p.m.-10:52 a.m.

2 stops16h 42m

Miami

Wed 6/8

7:23 a.m.-6:03 a.m.

2 stops21h 10m

C$ 1,601

St. John'sMiami

YYT - MIA

YYTMIA

St John's

Sat 12/7

2:55 p.m.-12:11 a.m.

2 stops10h 46m

C$ 301

St. John'sMiami

YYT - MIA

YYTMIA

St John's

Sat 16/8

1:10 p.m.-7:06 p.m.

2 stops31h 26m

C$ 439

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

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?

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 27 June 2025.

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, 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?

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 3 July 2025.

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

Get insights into the airlines that provide service to 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 an airline for your flight to Key Largo. Reviews last updated 3 July 2025.
See what other customers who have flown with Porter Airlines,United Airlines, andWestJet 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.

Boarding

8.2

Entertainment

7.0

Comfort

8.1

Food

7.7

Overall

8.0

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!

Boarding

8.2

Entertainment

7.0

Comfort

8.1

Food

7.7

Overall

8.0

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!

Boarding

8.2

Entertainment

7.0

Comfort

8.1

Food

7.7

Overall

8.0

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!

Boarding

8.2

Entertainment

7.0

Comfort

8.1

Food

7.7

Overall

8.0

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!

Boarding

8.2

Entertainment

7.0

Comfort

8.1

Food

7.7

Overall

8.0

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!

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?

    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.

  • 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

Discover the top 2 airlines that operate flights from St. John's to Key Largo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 3 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 376AverageC$ 797FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 391AverageC$ 662FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights

Fly with Cheapflights

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

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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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