HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San José

$74+ 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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — SJO
dic. 4 — dic. 111
jue. 12/4
jue. 12/11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Key Largo to San José with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Key Largo to San José Juan Santamaria Intl are usually found in August or September, booked 27 days in advance, depart on a Friday or Thursday and return on a Sunday

Cheap 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 noviembre 4, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$189
(CheapOair)

One-way from

$74
(eDestinos)

Popular in

December

Cheapest in

August

Average price

$337
Provider with most accurate pricing for Miami-San José Juan Santamaria Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Miami-San José Juan Santamaria Intl flights.
Search Deals
From Key Largo to San José Juan Santamaria Intl
Search Deals
One-way flight from Key Largo to San José Juan Santamaria Intl
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($95 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find 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 noviembre 4, 2025.

This Flightnetwork deal was found by Cheapflights users on 11/2. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/71:24 pmMIA - SJO
Nonstop2h 53mMultiple Airlines
sáb. 11/88:07 amSJO - MIA
Nonstop2h 54mMultiple Airlines
Deal found 11/2$189
This Mytrip deal was found by Cheapflights users on 11/3. 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.
sáb. 11/81:33 pmMIA - SJO
Nonstop2h 53mMultiple Airlines
jue. 11/133:05 pmSJO - MIA
2 stops7h 05mMultiple Airlines
Deal found 11/3$190
This Mytrip deal was found by Cheapflights users on 11/2. 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.
mar. 11/181:25 pmMIA - SJO
Nonstop3h 05mMultiple Airlines
sáb. 11/228:07 amSJO - MIA
Nonstop2h 54mMultiple Airlines
Deal found 11/2$191
This Trip.com deal was found by Cheapflights users on 11/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/171:24 pmMIA - SJO
Nonstop2h 53mVolaris El Salvador
lun. 11/247:58 amSJO - MIA
Nonstop2h 54mVolaris El Salvador
Deal found 11/2$194
This Booking.com deal was found by Cheapflights users on 11/2. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/61:33 pmMIA - SJO
Nonstop2h 53mMultiple Airlines
vie. 3/65:00 amSJO - MIA
2 stops9h 20mMultiple Airlines
Deal found 11/2$195
This CheapOair deal was found by Cheapflights users on 11/4. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/71:24 pmMIA - SJO
Nonstop2h 53mVolaris El Salvador
dom. 11/167:58 amSJO - MIA
Nonstop2h 54mVolaris El Salvador
Deal found 11/4$199
This Mytrip deal was found by Cheapflights users on 11/3. 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.
vie. 11/141:24 pmMIA - SJO
Nonstop2h 53mMultiple Airlines
vie. 11/217:45 amSJO - MIA
Nonstop3h 05mMultiple Airlines
Deal found 11/3$200
This CheapOair deal was found by Cheapflights users on 11/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/71:24 pmMIA - SJO
Nonstop2h 53mVolaris El Salvador
dom. 11/97:58 amSJO - MIA
Nonstop2h 54mVolaris El Salvador
Deal found 11/2$201
This Avianca deal was found by Cheapflights users on 11/3. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/31:25 pmMIA - SJO
Nonstop3h 05mAvianca
mié. 12/107:45 amSJO - MIA
Nonstop3h 05mAvianca
Deal found 11/3$202
This Mytrip deal was found by Cheapflights users on 11/3. 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.
vie. 12/51:24 pmMIA - SJO
Nonstop2h 53mMultiple Airlines
lun. 12/83:05 pmSJO - MIA
1 stop5h 10mMultiple Airlines
Deal found 11/3$205

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 noviembre 4, 2025.
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

jue. 1/15

1:25 pm-3:30 pm

Nonstop3h 05m

San José Juan Santamaria Intl

mar. 2/10

5:00 am-11:15 am

1 stop5h 15m

$202

MiamiSan José

MIA - SJO

MIASJO

Miami

vie. 11/28

1:28 pm-7:07 pm

1 stop6h 39m

San José Juan Santamaria Intl

lun. 12/8

2:53 pm-12:45 am

1 stop8h 52m

$228

MiamiSan José

MIA - SJO

MIASJO

Miami

mar. 11/18

4:59 am-9:59 am

1 stop6h 00m

San José Juan Santamaria Intl

dom. 11/23

5:50 pm-12:45 am

1 stop5h 55m

$228

MiamiSan José

MIA - SJO

MIASJO

Miami

mar. 11/11

4:59 am-9:59 am

1 stop6h 00m

San José Juan Santamaria Intl

lun. 11/17

6:07 pm-12:45 am

1 stop5h 38m

$228

MiamiSan José

MIA - SJO

MIASJO

Miami

mié. 11/12

4:59 am-9:59 am

1 stop6h 00m

San José Juan Santamaria Intl

lun. 11/17

6:07 pm-12:45 am

1 stop5h 38m

$228

MiamiSan José

MIA - SJO

MIASJO

Miami

jue. 11/13

4:59 am-9:59 am

1 stop6h 00m

San José Juan Santamaria Intl

dom. 11/16

5:50 pm-12:45 am

1 stop5h 55m

$228

MiamiSan José

MIA - SJO

MIASJO

Miami

vie. 11/28

1:28 pm-6:55 pm

1 stop6h 27m

San José Juan Santamaria Intl

jue. 12/11

4:08 am-11:36 am

1 stop6h 28m

$228

MiamiSan José

MIA - SJO

MIASJO

Miami

sáb. 11/29

1:25 pm-3:30 pm

Nonstop3h 05m

$95

MiamiSan José

MIA - SJO

MIASJO

Miami

lun. 11/17

11:55 am-8:39 pm

1 stop9h 44m

$102

MiamiSan José

MIA - SJO

MIASJO

Miami

jue. 11/13

11:55 am-8:39 pm

1 stop9h 44m

$109

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 15 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 October 31, 2025.

The best time to book flights from Key Largo to San José is 27 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, August is the cheapest month in which you can book a flight from Key Largo to San José (average of $112). Flying from Key Largo to San José in December is currently the most expensive (average of $177). 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 noviembre 4, 2025.

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 38% versus a flight at noon.

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 December 16, 2024.

Travelers seeking maximum savings on their Key Largo to San José flight should consider departing on Wednesday mornings when fares are most often at their lowest. Monday 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 noviembre 4, 2025.

The most flights from KE9 to SJO are scheduled on a Monday (6 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (2 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 noviembre 4, 2025.
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.
Copa Airlines
7.6
Good
1,562 reviews

Boarding

7.8

Comfort

7.4

Food

6.9

Overall

7.6

Entertainment

6.8

Crew

8.1

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip
Copa Airlines
7.6
Good
1,562 reviews
Copa Airlines
7.6
Good
1,562 reviews

Boarding

7.8

Comfort

7.4

Food

6.9

Overall

7.6

Entertainment

6.8

Crew

8.1

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip
Volaris El Salvador
7.4
Good
Copa Airlines
7.6
Good
1,562 reviews

Boarding

7.8

Comfort

7.4

Food

6.9

Overall

7.6

Entertainment

6.8

Crew

8.1

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip
American Airlines
7.2
Good
11,040 reviews
Copa Airlines
7.6
Good
1,562 reviews

Boarding

7.8

Comfort

7.4

Food

6.9

Overall

7.6

Entertainment

6.8

Crew

8.1

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip
Avianca
6.6
Okay
2,471 reviews
Copa Airlines
7.6
Good
1,562 reviews

Boarding

7.8

Comfort

7.4

Food

6.9

Overall

7.6

Entertainment

6.8

Crew

8.1

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip
Spirit Airlines
6.3
Okay
8,113 reviews
Copa Airlines
7.6
Good
1,562 reviews

Boarding

7.8

Comfort

7.4

Food

6.9

Overall

7.6

Entertainment

6.8

Crew

8.1

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip

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 4 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?

    Flights from Key Largo to San José Juan Santamaria Intl have been viewed 15 times in the past calendar month.

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

    For as low as $202, Avianca can have you in San José from Key Largo in 3h 05m. Key Largo and San José are separated by a distance of 1121 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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: Avianca (96%), Avianca Costa Rica (96%), Volaris El Salvador( 88%).

  • 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 $436, our data indicates the cheapest price to be $46. The most popular route (Miami - San José Juan Santamaria Intl), is priced around $157.

  • 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, August is the cheapest month in which you can book a flight from Key Largo to San José (average of $112). Flying from Key Largo to San José in December is currently the most expensive (average of $177). 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
Heredia
Manuel Antonio
Alajuela
Monteverde
Jacó
Dominical

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 Key Largo to San José

See prices for flight routes from nearby airports that may be better suited for you.
Miami to San José flights
Orlando to San José flights
Fort Lauderdale to San José flights
Miami to Liberia flights
Tampa to San José flights
Tampa to Liberia flights
Orlando to Liberia flights
Jacksonville to San José flights
West Palm Beach to San José flights
Fort Lauderdale to Liberia flights
Pensacola to San José flights
Jacksonville to Liberia flights
West Palm Beach to Liberia flights
Sarasota to San José flights
Pensacola to Liberia flights
Fort Myers to San José flights
Sarasota to Liberia flights
Fort Myers to Liberia flights
Panama City to San José flights
Panama City to Liberia flights
Gainesville to San José flights
Tallahassee to San José flights
Daytona Beach to San José flights
Key West to San José flights
Valparaiso to San José flights
Melbourne to San José flights
Orlando Sanford Intl to San José flights
Gainesville to Liberia flights
Valdosta to San José flights
Daytona Beach to Liberia flights

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 noviembre 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
Volaris Costa RicaCheapest$132Average$159FlexibilityNo cancel feeOn-timeN/A
AviancaCheapest$143Average$249FlexibilityNo cancel feeOn-time71%
Spirit AirlinesCheapest$154Average$253FlexibilityNo cancel feeOn-time65%
Copa AirlinesCheapest$156Average$298FlexibilityNo cancel feeOn-time70%
JetBlueCheapest$178Average$332FlexibilityNo cancel feeOn-time62%
Volaris El SalvadorCheapest$203Average$228FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$230Average$525FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.