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St. John's

$240+ Cheap flights from Key Largo, FL to St. John's (YYT)

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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — YYT
Mar 6 — Mar 131
Fri 3/6
Fri 3/13
1 adult, Economy
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Cheap flight deals from Key Largo to St. John's

Cheapest flights from Key Largo to St. John's
Explore the most affordable flight options available from Key Largo to St. John's. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2026.

This Air Canada deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/18:00 am
MIA
-
YYT
2 stops10h 13m
Air Canada
Wed 5/61:15 pm
YYT
-
MIA
1 stop10h 32m
Air Canada
Deal found 2/4$560
This Air Canada deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/218:15 am
MIA
-
YYT
1 stop7h 23m
Air Canada
Thu 10/11:15 pm
YYT
-
MIA
1 stop10h 32m
Air Canada
Deal found 2/2$616
This Air Canada deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/198:00 am
MIA
-
YYT
1 stop7h 51m
Air Canada
Thu 3/266:35 am
YYT
-
MIA
1 stop10h 10m
Air Canada
Deal found 2/2$635
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/196:15 am
MIA
-
YYT
2 stops15h 43m
United Airlines
Thu 3/266:10 pm
YYT
-
MIA
2 stops25h 51m
United Airlines
Deal found 2/2$690
This Porter Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/62:55 pm
MIA
-
YYT
1 stop8h 36m
Porter Airlines
Mon 2/96:15 am
YYT
-
MIA
1 stop9h 10m
Porter Airlines
Deal found 2/2$704
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/138:48 am
MIA
-
YYT
2 stops15h 13m
United Airlines
Fri 7/177:55 pm
YYT
-
MIA
2 stops21h 51m
United Airlines
Deal found 2/2$715
This Air Canada deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/258:00 am
MIA
-
YYT
2 stops10h 45m
Air Canada
Fri 2/276:35 am
YYT
-
MIA
1 stop19h 11m
Air Canada
Deal found 2/3$723

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

Keep the following information in mind while searching for Key Largo to St. John's flight deals. Data was last updated February 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$560
(Air Canada)

One-way from

$240
(Ucuzabilet)
Provider with most accurate pricing for Miami-St John's flight deals.
Search Deals
Provider most trusted by Cheapflights users for Miami-St John's flights.
Search Deals
From Key Largo to St John's
Search Deals
One-way flight from Key Largo to St John's
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Key Largo to St. John's 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 2,558,603 searches. Data last updated February 4, 2026.
Use the filters below to find and compare flights from Key Largo to St. John's that are best for you.

Fly from

Key Largo

Fly to

St. John's

Route

Depart

Return

Price

MiamiSt. John's

MIA - YYT

MIAYYT

Miami

Fri 5/1

8:00 am-5:11 pm

1 stop7h 41m

St John's

Wed 5/6

1:15 pm-10:17 pm

1 stop10h 32m

$560

MiamiSt. John's

MIA - YYT

MIAYYT

Miami

Thu 3/19

6:15 am-11:28 pm

2 stops15h 43m

St John's

Thu 3/26

6:10 pm-6:31 pm

2 stops25h 51m

$690

MiamiSt. John's

MIA - YYT

MIAYYT

Miami

Mon 7/13

8:48 am-1:31 am

2 stops15h 13m

St John's

Fri 7/17

7:55 pm-4:16 pm

2 stops21h 51m

$715

MiamiSt. John's

MIA - YYT

MIAYYT

Miami

Wed 2/25

8:00 am-8:15 pm

2 stops10h 45m

St John's

Fri 2/27

6:35 am-12:16 am

1 stop19h 11m

$723

MiamiSt. John's

MIA - YYT

MIAYYT

Miami

Thu 3/5

8:00 am-8:15 pm

2 stops10h 45m

$240

MiamiSt. John's

MIA - YYT

MIAYYT

Miami

Thu 3/5

12:52 pm-11:05 pm

3 stops32h 43m

$271

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

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

Have a flexible travel schedule? Discover the best time to fly to St. John's from Key Largo 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 Key Largo to St. John's
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing St. John's

Get insights into the airlines that provide service to St. John's. 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 St. John's. Reviews last updated February 4, 2026.
Read reviews from past customers who have flown Air Canada from Key Largo to St. John's. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
10,688 reviews

Food

6.3

Comfort

7.1

Entertainment

6.8

Boarding

7.3

Overall

7.1

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

Shawna,Sep 2025

DCA - YYZ

Business class cabin was *freezing*. Landing was so hard it injured my back - no apology or explanation given
Air Canada
7.1
Good
10,688 reviews
Air Canada
7.1
Good
10,688 reviews

Food

6.3

Comfort

7.1

Entertainment

6.8

Boarding

7.3

Overall

7.1

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

Shawna,Sep 2025

DCA - YYZ

Business class cabin was *freezing*. Landing was so hard it injured my back - no apology or explanation given

Related info for your journey

Find useful and relevant information for your journey from Key Largo to St. John's. 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 into for flights to St. John's from Key Largo?

    Located just 4.2 mi from the city center, St John's is the airport most travelers will use when flying to St. John's from Key Largo. Booking flights from Key Largo to St John's (YYT) should be relatively easy as there are 0 daily inbound flights from Key Largo from 2 different airlines.

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

    Airlines like Air Canada fly from Key Largo to St. John's in about 7h 41m. The time it takes to get you to your destination can typically vary by up to . The distance from Key Largo to St. John's is about 2122 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Key Largo to St. John's 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 Key Largo to St. John's

Discover the top 2 airlines that operate flights from Key Largo to St. John's. 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 2,558,603 searches. Data last updated February 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$316Average$661FlexibilityNo cancel feeOn-time67%
Porter AirlinesCheapest$337Average$452FlexibilityNo cancel feeOn-time52%

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