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San José

$87+ 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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — SJO
Oct 19 — Oct 261
Sun 10/19
Sun 10/26
1 adult, Economy
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Cheapflights Tip: The best prices from Key Largo to San José Juan Santamaria Intl are usually found in August or July, 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 September 19, 2025.

Round-trip from

$191
(Mytrip)

One-way from

$87
(Trip.com)

Popular in

December

Cheapest in

August

Average price

$275
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. 23% potential increase in price ($104 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 19, 2025.

This Mytrip deal was found by Cheapflights users on 9/18. 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 10/182:28 pmMIA - SJO
Nonstop2h 49mMultiple Airlines
Tue 10/285:00 amSJO - MIA
1 stop5h 15mMultiple Airlines
Deal found 9/18$191
This Booking.com deal was found by Cheapflights users on 9/18. 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.
Sat 10/185:45 pmMIA - SJO
2 stops7h 50mMultiple Airlines
Sat 10/258:14 amSJO - MIA
Nonstop2h 43mMultiple Airlines
Deal found 9/18$192
This Mytrip deal was found by Cheapflights users on 9/18. 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 11/151:33 pmMIA - SJO
Nonstop2h 53mMultiple Airlines
Wed 11/199:00 amSJO - MIA
Nonstop3h 05mMultiple Airlines
Deal found 9/18$193
This Mytrip deal was found by Cheapflights users on 9/17. 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 10/42:28 pmMIA - SJO
Nonstop2h 49mMultiple Airlines
Wed 10/85:05 amSJO - MIA
2 stops6h 50mMultiple Airlines
Deal found 9/17$194
This Booking.com deal was found by Cheapflights users on 9/17. 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.
Sat 10/112:28 pmMIA - SJO
Nonstop2h 49mMultiple Airlines
Sun 10/125:05 amSJO - MIA
1 stop5h 10mMultiple Airlines
Deal found 9/17$196
This Avianca deal was found by Cheapflights users on 9/17. 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.
Mon 10/135:35 amMIA - SJO
1 stop4h 15mAvianca
Sun 10/198:50 amSJO - MIA
Nonstop2h 50mAvianca
Deal found 9/17$201
This Avianca deal was found by Cheapflights users on 9/17. 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.
Sat 11/111:45 pmMIA - SJO
Nonstop3h 05mAvianca
Sat 11/89:00 amSJO - MIA
Nonstop3h 05mAvianca
Deal found 9/17$202
This Avianca deal was found by Cheapflights users on 9/18. 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 10/35:35 amMIA - SJO
1 stop4h 15mAvianca
Mon 10/65:25 pmSJO - MIA
1 stop4h 30mAvianca
Deal found 9/18$203
This Avianca deal was found by Cheapflights users on 9/17. 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 10/35:35 amMIA - SJO
1 stop4h 15mAvianca
Tue 10/75:05 amSJO - MIA
1 stop5h 10mAvianca
Deal found 9/17$204
This CheapOair deal was found by Cheapflights users on 9/17. 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.
Fri 9/262:28 pmMIA - SJO
Nonstop2h 49mVolaris El Salvador
Mon 9/298:14 amSJO - MIA
Nonstop2h 43mVolaris El Salvador
Deal found 9/17$205
This Avianca deal was found by Cheapflights users on 9/18. 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.
Sat 10/43:10 pmMIA - SJO
1 stop5h 35mAvianca
Wed 10/85:05 amSJO - MIA
2 stops9h 00mAvianca
Deal found 9/18$206

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 September 19, 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

Fri 11/7

10:45 pm-12:50 am

Nonstop3h 05m

San José Juan Santamaria Intl

Wed 11/12

9:00 am-1:05 pm

Nonstop3h 05m

$202

MiamiSan José

MIA - SJO

MIASJO

Miami

Thu 10/2

5:35 am-7:50 am

1 stop4h 15m

San José Juan Santamaria Intl

Mon 10/6

5:25 pm-11:55 pm

1 stop4h 30m

$202

MiamiSan José

MIA - SJO

MIASJO

Miami

Fri 10/3

5:35 am-7:50 am

1 stop4h 15m

San José Juan Santamaria Intl

Tue 10/7

5:05 am-12:15 pm

1 stop5h 10m

$203

MiamiSan José

MIA - SJO

MIASJO

Miami

Fri 10/3

5:35 am-7:50 am

1 stop4h 15m

San José Juan Santamaria Intl

Mon 10/6

5:25 pm-11:55 pm

1 stop4h 30m

$203

MiamiSan José

MIA - SJO

MIASJO

Miami

Sat 10/18

3:10 pm-6:45 pm

1 stop5h 35m

San José Juan Santamaria Intl

Sat 10/25

8:50 am-1:40 pm

Nonstop2h 50m

$204

MiamiSan José

MIA - SJO

MIASJO

Miami

Sat 10/4

3:10 pm-6:45 pm

1 stop5h 35m

San José Juan Santamaria Intl

Wed 10/8

5:25 pm-11:55 pm

1 stop4h 30m

$204

MiamiSan José

MIA - SJO

MIASJO

Miami

Sat 10/11

6:29 pm-7:30 am

1 stop15h 01m

San José Juan Santamaria Intl

Fri 10/17

5:55 pm-1:42 am

1 stop5h 47m

$218

MiamiSan José

MIA - SJO

MIASJO

Miami

Sat 11/15

5:24 am-9:59 am

1 stop5h 35m

San José Juan Santamaria Intl

Wed 11/19

11:00 am-9:22 pm

1 stop9h 22m

$218

MiamiSan José

MIA - SJO

MIASJO

Miami

Thu 11/13

4:10 pm-7:33 am

1 stop16h 23m

San José Juan Santamaria Intl

Tue 11/18

11:00 am-6:51 pm

1 stop6h 51m

$218

MiamiSan José

MIA - SJO

MIASJO

Miami

Mon 9/29

2:28 pm-3:17 pm

Nonstop2h 49m

$88

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 17 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, 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 September 12, 2025.

Booking 27 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 $554). 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 September 19, 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. Sunday mornings 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 September 19, 2025.

The most flights from KE9 to SJO are scheduled on a Friday (8 on average). You will have fewer flight options on Monday, 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 September 19, 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
1,531 reviews

Crew

8.1

Food

6.8

Boarding

7.8

Overall

7.5

Comfort

7.4

Entertainment

6.8

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
7.5
Good
1,531 reviews
Copa Airlines
7.5
Good
1,531 reviews

Crew

8.1

Food

6.8

Boarding

7.8

Overall

7.5

Comfort

7.4

Entertainment

6.8

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
10,000 reviews
Copa Airlines
7.5
Good
1,531 reviews

Crew

8.1

Food

6.8

Boarding

7.8

Overall

7.5

Comfort

7.4

Entertainment

6.8

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
6.7
Okay
2,432 reviews
Copa Airlines
7.5
Good
1,531 reviews

Crew

8.1

Food

6.8

Boarding

7.8

Overall

7.5

Comfort

7.4

Entertainment

6.8

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
8,030 reviews
Copa Airlines
7.5
Good
1,531 reviews

Crew

8.1

Food

6.8

Boarding

7.8

Overall

7.5

Comfort

7.4

Entertainment

6.8

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 6 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, San José Province flight route?

    This flight path from Key Largo to San José Juan Santamaria Intl was viewed by 10 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    There are many flights that can get you from Key Largo to San José, San José Province in 3h 05m. Fly via Avianca to get the fastest option. Key Largo and San José, San José Province are separated by a distance of 1121 mi. All flights are typically nonstop.

  • 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: Avianca (91%), Avianca Costa Rica (91%), Volaris El Salvador( 89%).

  • 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 $179, our data indicates the cheapest price to be $39. The most popular route (Miami - San José Juan Santamaria Intl), is priced around $154.

  • 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 $554). 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

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Alternative routes for Key Largo to San José

See prices for flight routes from nearby airports that may be better suited for you.
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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 September 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
Volaris Costa RicaCheapest$124Average$137FlexibilityNo cancel feeOn-timeN/A
AviancaCheapest$126Average$249FlexibilityNo cancel feeOn-time71%
Spirit AirlinesCheapest$157Average$259FlexibilityNo cancel feeOn-time65%
Copa AirlinesCheapest$161Average$305FlexibilityNo cancel feeOn-time70%
JetBlueCheapest$175Average$349FlexibilityNo cancel feeOn-time62%
Volaris El SalvadorCheapest$200Average$228FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$234Average$533FlexibilityNo cancel feeOn-time71%

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