San José

$92+ Cheap flights from Key Largo, FL to San José (SJO)

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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — SJO
Mar 7 — Mar 141
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Cheapflights Tip: The best prices from Key Largo to San José Juan Santamaria Intl are usually found in August or September, booked 86 days in advance, depart on a Friday or Thursday and return on a Sunday

Cheap flight deals from Key Largo to San José

Cheapest flights from Key Largo to San José
Explore the most affordable flight options available from Key Largo to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 5, 2026.

This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/141:33 pm
MIA
-
SJO
Nonstop2h 53m
Multiple Airlines
Mon 2/237:58 am
SJO
-
MIA
Nonstop2h 54m
Multiple Airlines
Deal found 2/2$184
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/281:33 pm
MIA
-
SJO
Nonstop2h 53m
Multiple Airlines
Fri 3/67:58 am
SJO
-
MIA
Nonstop2h 54m
Multiple Airlines
Deal found 2/3$185
This eDestinos deal was found by Cheapflights users on 2/1. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/271:24 pm
MIA
-
SJO
Nonstop2h 53m
Volaris
Mon 3/27:58 am
SJO
-
MIA
Nonstop2h 54m
Volaris
Deal found 2/1$191
This Mytrip deal was found by Cheapflights users on 2/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/21:24 pm
MIA
-
SJO
Nonstop2h 53m
Multiple Airlines
Sat 3/78:07 am
SJO
-
MIA
Nonstop2h 54m
Multiple Airlines
Deal found 2/1$194
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/71:33 pm
MIA
-
SJO
Nonstop2h 53m
Multiple Airlines
Fri 3/137:58 am
SJO
-
MIA
Nonstop2h 54m
Multiple Airlines
Deal found 2/3$195
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/161:24 pm
MIA
-
SJO
Nonstop2h 53m
Multiple Airlines
Sat 2/218:07 am
SJO
-
MIA
Nonstop2h 54m
Multiple Airlines
Deal found 2/3$196
This Expedia deal was found by Cheapflights users on 2/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/211:33 pm
MIA
-
SJO
Nonstop2h 53m
Multiple Airlines
Sat 2/282:30 pm
SJO
-
MIA
1 stop9h 12m
Multiple Airlines
Deal found 2/5$197
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/211:33 pm
MIA
-
SJO
Nonstop2h 53m
Multiple Airlines
Sun 3/87:58 am
SJO
-
MIA
Nonstop2h 54m
Multiple Airlines
Deal found 2/3$198
This Avianca 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/51:25 pm
MIA
-
SJO
Nonstop3h 05m
Avianca
Sun 3/87:45 am
SJO
-
MIA
Nonstop3h 05m
Avianca
Deal found 2/4$202
This Avianca 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/271:25 pm
MIA
-
SJO
Nonstop3h 05m
Avianca
Mon 3/23:05 pm
SJO
-
MIA
1 stop5h 10m
Avianca
Deal found 2/2$203

Find flight deals from Key Largo to San José

Keep the following information in mind while searching for Key Largo to San José flight deals. Data was last updated February 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$184
(Mytrip)

One-way from

$92
(Super.com)

Popular in

December

Cheapest in

August

Average price

$295
Provider with most accurate pricing for Miami-San José Juan Santamaria Intl flight deals.
Provider most trusted by Cheapflights users for Miami-San José Juan Santamaria Intl flights.
From Key Largo to San José Juan Santamaria Intl
One-way flight from Key Largo to San José Juan Santamaria Intl
Highest demand for flights based on searches. 15% potential increase in price ($53 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($15 potential savings vs. average RT price).
Average for round-trip flights in February 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Key Largo to San José 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 5, 2026.
Use the filters below to find and compare flights from Key Largo to San José that are best for you.

Fly from

Key Largo

Fly to

San José

Route

Depart

Return

Price

MiamiSan José

MIA - SJO

MIASJO

Miami

Sat 3/7

1:33 pm-3:26 pm

Nonstop2h 53m

San José Juan Santamaria Intl

Fri 3/13

7:58 am-12:52 pm

Nonstop2h 54m

$195

MiamiSan José

MIA - SJO

MIASJO

Miami

Thu 7/2

1:45 pm-11:40 pm

2 stops11h 55m

San José Juan Santamaria Intl

Tue 7/28

1:50 am-12:25 pm

1 stop8h 35m

$198

MiamiSan José

MIA - SJO

MIASJO

Miami

Mon 3/2

1:25 pm-3:30 pm

Nonstop3h 05m

San José Juan Santamaria Intl

Fri 3/6

7:45 am-11:50 am

Nonstop3h 05m

$202

MiamiSan José

MIA - SJO

MIASJO

Miami

Fri 2/27

1:25 pm-3:30 pm

Nonstop3h 05m

San José Juan Santamaria Intl

Mon 3/2

7:45 am-11:50 am

Nonstop3h 05m

$202

MiamiSan José

MIA - SJO

MIASJO

Miami

Thu 3/5

12:45 pm-6:55 pm

2 stops7h 10m

San José Juan Santamaria Intl

Sun 3/8

5:00 am-12:15 pm

1 stop5h 15m

$205

MiamiSan José

MIA - SJO

MIASJO

Miami

Wed 2/25

1:25 pm-3:30 pm

Nonstop3h 05m

$97

MiamiSan José

MIA - SJO

MIASJO

Miami

Wed 3/18

6:34 pm-7:33 pm

Nonstop2h 59m

$98

MiamiSan José

MIA - SJO

MIASJO

Miami

Sat 2/21

2:40 pm-6:55 pm

1 stop5h 15m

$98

MiamiSan José

MIA - SJO

MIASJO

Miami

Wed 3/25

2:25 pm-3:30 pm

Nonstop3h 05m

$98

MiamiSan José

MIA - SJO

MIASJO

Miami

Sat 4/18

2:15 pm-3:05 pm

Nonstop2h 50m

$98

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 11 results
1
2

Best time to book a flight from Key Largo to San José

Have a flexible travel schedule? Discover the best time to fly to San José 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 San José

How far ahead should I book a flight from Key Largo to San José?

Use this chart to determine the optimal time to book a round-trip flight from Key Largo to San José. Price data was last updated on January 30, 2026.

The best time to book flights from Key Largo to San José is 86 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 Key Largo to San José?

Currently, January is the cheapest month in which you can book a flight from Key Largo to San José (average of $93). Flying from Key Largo to San José in June is currently the most expensive (average of $152). 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 KE9 to SJO?

Find hourly flight availability from Key Largo to San José. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 5, 2026.

When flying from Key Largo to San José, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 22% versus a flight in the afternoon.

What is the cheapest day to fly from Key Largo to San José?

Use this chart to determine the cheapest time to fly round-trip from Key Largo to San José. Price data was last updated on January 31, 2026.

Travelers seeking maximum savings on their Key Largo to San José flight should consider departing on Tuesday evenings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Key Largo to San José

Explore weekly flight availability from Key Largo to San José. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated February 5, 2026.

The most flights from KE9 to SJO are scheduled on a Thursday (13 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (8 on average).

Reviews of airlines servicing San José

Get insights into the airlines that provide service to San José. 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 San José. Reviews last updated February 5, 2026.
Read through reviews of airlines operating flights from Key Largo to San José, such as Copa Airlines, Volaris El Salvador, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.4

Crew

8.1

Food

6.8

Overall

7.5

Entertainment

6.8

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Juan,Dec 2025

EZE - PTY

The outbound flight from Boston was awful. The handicapped services were the worst i have ever seen. NEVER AGAIN. THIS WAS NOT WORTH ANYWHERE NEAR $4K.

Comfort

7.4

Crew

8.1

Food

6.8

Overall

7.5

Entertainment

6.8

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Juan,Dec 2025

EZE - PTY

The outbound flight from Boston was awful. The handicapped services were the worst i have ever seen. NEVER AGAIN. THIS WAS NOT WORTH ANYWHERE NEAR $4K.
Volaris El Salvador
7.4
Good

Comfort

7.4

Crew

8.1

Food

6.8

Overall

7.5

Entertainment

6.8

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Juan,Dec 2025

EZE - PTY

The outbound flight from Boston was awful. The handicapped services were the worst i have ever seen. NEVER AGAIN. THIS WAS NOT WORTH ANYWHERE NEAR $4K.

Comfort

7.4

Crew

8.1

Food

6.8

Overall

7.5

Entertainment

6.8

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Juan,Dec 2025

EZE - PTY

The outbound flight from Boston was awful. The handicapped services were the worst i have ever seen. NEVER AGAIN. THIS WAS NOT WORTH ANYWHERE NEAR $4K.

Comfort

7.4

Crew

8.1

Food

6.8

Overall

7.5

Entertainment

6.8

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Juan,Dec 2025

EZE - PTY

The outbound flight from Boston was awful. The handicapped services were the worst i have ever seen. NEVER AGAIN. THIS WAS NOT WORTH ANYWHERE NEAR $4K.

Comfort

7.4

Crew

8.1

Food

6.8

Overall

7.5

Entertainment

6.8

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Juan,Dec 2025

EZE - PTY

The outbound flight from Boston was awful. The handicapped services were the worst i have ever seen. NEVER AGAIN. THIS WAS NOT WORTH ANYWHERE NEAR $4K.

Related info for your journey

Find useful and relevant information for your journey from Key Largo to San José. 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 San José from Key Largo?

    Most people fly into San José Juan Santamaria Intl (SJO) if they book a flight to San José from Key Largo. On average, Juan Santamaria Intl has 10 inbound flights from Key Largo per day from 7 airlines. San José Juan Santamaria Intl is conveniently located just 8.8 mi from San José’s city center.

  • How popular is this Key Largo to San José flight route?

  • How long is the flight from Key Largo to San José?

    For as low as $198, Avianca can have you in San José from Key Largo in 11h 55m. Key Largo and San José are separated by a distance of 1121 mi.

  • What are the cheapest airlines to fly from Key Largo to San José one-way?

    The cheapest airlines for a one-way flight from Key Largo to San José are Volaris Costa Rica ($42), Spirit Airlines ($65), and JetBlue ($79).

  • What are the most reliable airlines from Key Largo to San José?

    Before booking your flight to San José from Key Largo, check out the most reliable airlines to get you to your destination on time: Aserca Airlines (100%), Avianca (98%), Avianca Costa Rica( 98%).

  • What are the cheapest flights from Key Largo to San José?

    Looking for the cheapest flight from Key Largo to San José? While on average our users pay $485, our data indicates the cheapest price to be $86. The most popular route (Miami - San José Juan Santamaria Intl), is priced around $160.

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

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

  • How can I find direct flights from Key Largo to San José?

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

  • Can I find deals for business class flights from Key Largo to San José?

    Yes. Cheapflights offers flight deals from Key Largo to San José 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 Key Largo to San José?

    Currently, January is the cheapest month in which you can book a flight from Key Largo to San José (average of $93). Flying from Key Largo to San José in June is currently the most expensive (average of $152). 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

Traveling to a place near San José?

Book flights to San José if you plan to visit one of these locations
Alajuela
Monteverde
Jacó
Heredia
Dominical
Manuel Antonio

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Top 7 airlines flying from Key Largo to San José

Discover the top 7 airlines that operate flights from Key Largo to San José. 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 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$94Average$248FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$105Average$273FlexibilityNo cancel feeOn-time70%
Spirit AirlinesCheapest$108Average$234FlexibilityNo cancel feeOn-time65%
Volaris Costa RicaCheapest$124Average$159FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$144Average$301FlexibilityNo cancel feeOn-time62%
Volaris El SalvadorCheapest$192Average$234FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$225Average$509FlexibilityNo cancel feeOn-time71%

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