HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San José

$89+ 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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — SJO
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
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 May, booked 78 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 August 1, 2025.

Round-trip from

$180
(Booking.com)

One-way from

$89
(FlightHub)

Popular in

December

Cheapest in

August

Average price

$277
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 ($102 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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 August 1, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 7/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/22:28 pmMIA - SJO
Nonstop2h 49mMultiple Airlines
Fri 8/88:14 amSJO - MIA
Nonstop2h 43mMultiple Airlines
Deal found 7/30$179
This Avianca deal was found by Cheapflights users on 7/30. 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 8/149:40 pmMIA - SJO
Nonstop3h 00mAvianca
Mon 8/185:25 pmSJO - MIA
1 stop4h 30mAvianca
Deal found 7/30$204
This Trip.com deal was found by Cheapflights users on 7/31. 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.
Fri 8/152:28 pmMIA - SJO
Nonstop2h 49mVolaris El Salvador
Mon 8/188:14 amSJO - MIA
Nonstop2h 43mVolaris El Salvador
Deal found 7/31$211
This Copa Airlines deal was found by Cheapflights users on 7/31. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/14:59 amMIA - SJO
1 stop6h 00mCopa Airlines
Sun 12/72:19 pmSJO - MIA
1 stop6h 26mCopa Airlines
Deal found 7/31$234

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 August 1, 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

Sat 9/27

2:28 pm-3:17 pm

Nonstop2h 49m

San José Juan Santamaria Intl

Thu 10/2

8:50 am-1:40 pm

Nonstop2h 50m

$180

MiamiSan José

MIA - SJO

MIASJO

Miami

Thu 8/14

9:40 pm-10:40 pm

Nonstop3h 00m

San José Juan Santamaria Intl

Mon 8/18

8:50 am-1:40 pm

Nonstop2h 50m

$204

MiamiSan José

MIA - SJO

MIASJO

Miami

Fri 8/15

2:28 pm-3:17 pm

Nonstop2h 49m

San José Juan Santamaria Intl

Mon 8/18

8:14 am-12:57 pm

Nonstop2h 43m

$210

MiamiSan José

MIA - SJO

MIASJO

Miami

Sat 11/29

5:24 am-9:59 am

1 stop5h 35m

San José Juan Santamaria Intl

Thu 12/11

2:19 pm-9:22 pm

1 stop6h 03m

$230

MiamiSan José

MIA - SJO

MIASJO

Miami

Mon 8/11

2:28 pm-3:17 pm

Nonstop2h 49m

$89

MiamiSan José

MIA - SJO

MIASJO

Miami

Mon 8/11

5:35 am-7:50 am

1 stop4h 15m

$94

MiamiSan José

MIA - SJO

MIASJO

Miami

Wed 9/10

6:45 pm-7:42 pm

Nonstop2h 57m

$97

MiamiSan José

MIA - SJO

MIASJO

Miami

Sat 8/30

3:54 pm-11:12 am

2 stops21h 18m

$121

MiamiSan José

MIA - SJO

MIASJO

Miami

Tue 8/26

6:10 am-1:20 pm

1 stop9h 10m

$123

MiamiSan José

MIA - SJO

MIASJO

Miami

Mon 8/18

2:09 pm-7:35 pm

1 stop7h 26m

$132

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

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, San José Province?

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 July 25, 2025.

Booking 78 days in advance of your planned departure date is, on average, the best time to get cheap flights from Key Largo to San José, San José Province. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Key Largo to San José, San José Province?

Currently, September is the cheapest month in which you can book a flight from Key Largo to San José, San José Province (average of $398). Flying from Key Largo to San José, San José Province in March is currently the most expensive (average of $555). 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 August 1, 2025.

When flying from Key Largo to San José, San José Province, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

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, San José Province flight should consider departing on Saturday at noon 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, San José Province

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 August 1, 2025.

The most flights from KE9 to SJO are scheduled on a Monday (10 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (5 on average).

How much does it cost to fly round-trip from Key Largo to San José, San José Province?

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 August 1, 2025.
Read through reviews of airlines operating flights from Key Largo to San José, such as Copa Airlines, American Airlines, and Avianca. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Copa Airlines
7.5
Good
1,493 reviews

Comfort

7.4

Boarding

7.8

Crew

8.1

Food

6.8

Entertainment

6.8

Overall

7.5

Reviews

1 / 20
4.0
Okay

Paul,Jun 2025

PTY - MIA

The boarding process was terrible. No one followed the group numbers. Everyone got up and stood in the tiles upon landing. People kept getting up during the meal and beverage service to go the bathrooms, the crew had to go back and forth in the isles, the service took forever.
Copa Airlines
7.5
Good
1,493 reviews
Copa Airlines
7.5
Good
1,493 reviews

Comfort

7.4

Boarding

7.8

Crew

8.1

Food

6.8

Entertainment

6.8

Overall

7.5

Reviews

1 / 20
4.0
Okay

Paul,Jun 2025

PTY - MIA

The boarding process was terrible. No one followed the group numbers. Everyone got up and stood in the tiles upon landing. People kept getting up during the meal and beverage service to go the bathrooms, the crew had to go back and forth in the isles, the service took forever.
American Airlines
7.2
Good
10,000 reviews
Copa Airlines
7.5
Good
1,493 reviews

Comfort

7.4

Boarding

7.8

Crew

8.1

Food

6.8

Entertainment

6.8

Overall

7.5

Reviews

1 / 20
4.0
Okay

Paul,Jun 2025

PTY - MIA

The boarding process was terrible. No one followed the group numbers. Everyone got up and stood in the tiles upon landing. People kept getting up during the meal and beverage service to go the bathrooms, the crew had to go back and forth in the isles, the service took forever.
Avianca
6.7
Okay
2,388 reviews
Copa Airlines
7.5
Good
1,493 reviews

Comfort

7.4

Boarding

7.8

Crew

8.1

Food

6.8

Entertainment

6.8

Overall

7.5

Reviews

1 / 20
4.0
Okay

Paul,Jun 2025

PTY - MIA

The boarding process was terrible. No one followed the group numbers. Everyone got up and stood in the tiles upon landing. People kept getting up during the meal and beverage service to go the bathrooms, the crew had to go back and forth in the isles, the service took forever.
Spirit Airlines
6.3
Okay
8,048 reviews
Copa Airlines
7.5
Good
1,493 reviews

Comfort

7.4

Boarding

7.8

Crew

8.1

Food

6.8

Entertainment

6.8

Overall

7.5

Reviews

1 / 20
4.0
Okay

Paul,Jun 2025

PTY - MIA

The boarding process was terrible. No one followed the group numbers. Everyone got up and stood in the tiles upon landing. People kept getting up during the meal and beverage service to go the bathrooms, the crew had to go back and forth in the isles, the service took forever.

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 8 inbound flights from Key Largo per day from 6 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, San José Province flight route?

    This flight path from Key Largo to San José Juan Santamaria Intl was viewed by 7 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    One-way options have recently been found by users for as low as $89 on Volaris El Salvador. Other airlines that offer cheap prices include Avianca from $94 and American Airlines from $97 one-way.

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

    Before booking your flight to San José, San José Province from Key Largo, check out the most reliable airlines to get you to your destination on time: American Airlines (79%), Iberia (79%), Avianca( 78%).

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

    Looking for the cheapest flight from Key Largo to San José, San José Province? While on average our users pay $214, our data indicates the cheapest price to be $84. The most popular route (Miami - San José Juan Santamaria Intl), is priced around $124.

  • 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, San José Province?

    Currently, September is the cheapest month in which you can book a flight from Key Largo to San José, San José Province (average of $398). Flying from Key Largo to San José, San José Province in March is currently the most expensive (average of $555). 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

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
Fort Lauderdale to San José flights
Orlando to San José flights
Miami to Liberia flights
Tampa to Liberia flights
Jacksonville to Liberia flights
Tampa to San José flights
Jacksonville to San José flights
West Palm Beach to San José flights
Orlando to Liberia flights
Fort Lauderdale to Liberia flights
Pensacola to San José flights
Fort Myers to San José flights
Sarasota to San José flights
Pensacola to Liberia flights
West Palm Beach to Liberia flights
Tallahassee to San José flights
Panama City to San José flights
Sarasota to Liberia flights
Valparaiso to San José flights
Daytona Beach to San José flights
Fort Myers to Liberia flights
Daytona Beach to Liberia flights
Melbourne to San José flights
Panama City to Liberia flights
Orlando Sanford Intl to San José flights
Gainesville to San José flights
Gainesville to Liberia flights
Valdosta to San José flights
Key West to San José flights

Top 6 airlines flying from Key Largo to San José

Discover the top 6 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 August 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$105Average$250FlexibilityNo cancel feeOn-time71%
Spirit AirlinesCheapest$157Average$262FlexibilityNo cancel feeOn-time65%
Copa AirlinesCheapest$166Average$299FlexibilityNo cancel feeOn-time70%
JetBlueCheapest$182Average$351FlexibilityNo cancel feeOn-time62%
Volaris El SalvadorCheapest$196Average$234FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$252Average$535FlexibilityNo 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.