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Cheap flights from Saint John to Key Largo from C$ 520

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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
YSJ — MIA
26 Jan — 2 Feb1
1 adult

Cheap flight deals from St John to Key Largo

Discover tips and strategies to find the most affordable flight options for your journey from St John (YSJ) to Key Largo (KE9). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 21 January 2025.

Round-trip from

C$ 934

One-way from

C$ 520

Popular in

October

Cheapest in

June

Average price

C$ 924
Air Canada
  • Air Canada
  • 3/2-17/3
  • 2 total stops
  • 13h 58m total
  • Saint John to Key Largo
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Air Canada
  • Air Canada
  • 6/3
  • 1 total stop
  • 7h 07m total
  • Saint John to Key Largo
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Highest demand for flights based on searches. 3% potential increase in price (C$ 50 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 26 potential savings vs. average RT price).
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Average for round-trip flights in January 2025
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Find flight deals from St John to Key Largo

Cheapest flights from St John to Key Largo
Explore the most affordable flight options available from St John to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 January 2025.

Mon 3/24:30 p.m.YSJ - MIA
1 stop7h 07mAir Canada
Mon 17/34:35 p.m.MIA - YSJ
1 stop6h 51mAir Canada
Deal found 20/1C$ 934
Mon 3/25:20 a.m.YSJ - MIA
2 stops11h 59mUnited Airlines
Mon 17/37:47 p.m.MIA - YSJ
2 stops18h 51mUnited Airlines
Deal found 20/1C$ 958
Thu 27/24:30 p.m.YSJ - MIA
2 stops20h 17mMultiple Airlines
Wed 5/38:00 a.m.MIA - YSJ
1 stop6h 35mMultiple Airlines
Deal found 20/1C$ 1,104

Find flights from St John to Key Largo within your budget

Customize your flight search to find flights from St John 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 21 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Saint JohnMiami

YSJ - MIA

YSJMIA

Saint John

Mon 3/2

4:30 p.m.-10:37 p.m.

1 stop7h 07m

Miami

Mon 17/3

4:35 p.m.-12:26 a.m.

1 stop6h 51m

C$ 934

Saint JohnMiami

YSJ - MIA

YSJMIA

Saint John

Mon 3/2

5:20 a.m.-4:19 p.m.

2 stops11h 59m

Miami

Mon 17/3

7:47 p.m.-3:38 p.m.

2 stops18h 51m

C$ 958

Saint JohnMiami

YSJ - MIA

YSJMIA

Saint John

Thu 27/2

4:30 p.m.-11:47 a.m.

2 stops20h 17m

Miami

Wed 5/3

8:00 a.m.-3:35 p.m.

1 stop6h 35m

C$ 1,104

Saint JohnMiami

YSJ - MIA

YSJMIA

Saint John

Thu 6/3

4:30 p.m.-10:37 p.m.

1 stop7h 07m

C$ 520

Saint JohnMiami

YSJ - MIA

YSJMIA

Saint John

Thu 6/3

5:20 a.m.-6:45 p.m.

2 stops14h 25m

C$ 553

Saint JohnMiami

YSJ - MIA

YSJMIA

Saint John

Thu 6/3

2:45 p.m.-10:53 a.m.

3 stops21h 08m

C$ 793

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/1

Best time to book a flight from St John to Key Largo

Have a flexible travel schedule? Discover the best time to fly to Key Largo from St John 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.

Travel insights for flights from St John to Key Largo

Get recent, data-driven insights about flights from St John to Key Largo including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Saint John to Key Largo?

Currently, April is the cheapest month in which you can book a flight from Saint John to Key Largo (average of C$ 251). Flying from Saint John 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.

Rainfall in Key Largo by month

Plan your trip to Key Largo by taking into account the average rainfall totals by month.

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.

Temperature in Key Largo by month

Plan your trip to Key Largo by taking into account the average temperature totals by month.

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).

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 21 January 2025.
Read reviews from past customers who have flown Air Canada and United Airlines from Saint John to Key Largo. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,984 reviews
Check prices

Boarding

7.7

Overall

7.4

Food

6.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Reviews

1 / 10

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.

United Airlines
7.4
Good
8,984 reviews
United Airlines
7.4
Good
8,984 reviews
Check prices

Boarding

7.7

Overall

7.4

Food

6.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Reviews

1 / 10

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.

Air Canada
7.0
Good
8,633 reviews
United Airlines
7.4
Good
8,984 reviews
Check prices

Boarding

7.7

Overall

7.4

Food

6.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Reviews

1 / 10

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.

Related info for your journey

Find useful and relevant information for your journey from St John 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 Saint John to Key Largo?

    Most people fly from Saint John (YSJ) if they book a flight from Saint John to Key Largo. On average, Saint John has 0 outbound flights to Key Largo per day from 1 airline. Saint John is conveniently located just 15.1 km from Saint John’s city centre.

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

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

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

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

    Yes. Cheapflights offers flight deals from St John 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 Saint John to Key Largo?

    Currently, April is the cheapest month in which you can book a flight from Saint John to Key Largo (average of C$ 251). Flying from Saint John 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

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from St John to Key Largo

Discover the top airline that operate flights from St John 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 21 January 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 589AverageC$ 981FlexibilityNo cancel feeOn-time67%
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Fly with Cheapflights

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

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Why should you use Cheapflights to find cheap flight tickets from St John to Key Largo?

Millions of users choose and trust Cheapflights to book the best flight deals from St John 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 to Key Largo with no change fees?

Certainly. Search results for flights to Key Largo from St John shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from St John to Key Largo become cheaper?

Yes! Start tracking prices for St John to Key Largo flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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