$97+ 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 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
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 May or September, booked 72 days in advance, depart on a Thursday or Tuesday and return on a Thursday
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 June 15, 2025.
Round-trip from | $207 (Avianca) |
|---|---|
One-way from | $97 (Avianca) |
Popular in | December |
Cheapest in | May |
Average price | $334 |
Find flight deals from Key Largo to San José
Cheapest flights from Key Largo to San JoséExplore 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 June 15, 2025.
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 June 15, 2025.
This Avianca deal was found by Cheapflights users on 6/13. 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.
This CheapOair deal was found by Cheapflights users on 6/14. 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.
This CheapOair deal was found by Cheapflights users on 6/14. 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.
This Booking.com deal was found by Cheapflights users on 6/13. 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.
This Flightnetwork deal was found by Cheapflights users on 6/14. 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.
This United Airlines deal was found by Cheapflights users on 6/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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 June 15, 2025.
Use the filters below to find and compare flights from Key Largo to San José that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
MiamiSan José
MIA - SJO
MIASJO
Miami
Tue 8/19
3:25 pm-11:35 pm
2 stops10h 10m
San José Juan Santamaria Intl
Tue 8/26
4:45 pm-4:25 am
2 stops9h 40m
MiamiSan José
MIA - SJO
MIASJO
Miami
Fri 9/12
2:28 pm-3:17 pm
Nonstop2h 49m
San José Juan Santamaria Intl
Mon 9/15
8:14 am-12:57 pm
Nonstop2h 43m
MiamiSan José
MIA - SJO
MIASJO
Miami
Sat 7/12
2:28 pm-3:17 pm
Nonstop2h 49m
San José Juan Santamaria Intl
Sat 7/19
8:14 am-12:57 pm
Nonstop2h 43m
MiamiSan José
MIA - SJO
MIASJO
Miami
Wed 9/10
3:10 pm-6:45 pm
1 stop5h 35m
San José Juan Santamaria Intl
Sun 9/21
8:14 am-12:57 pm
Nonstop2h 43m
MiamiSan José
MIA - SJO
MIASJO
Miami
Wed 7/2
6:05 am-1:56 pm
1 stop9h 51m
San José Juan Santamaria Intl
Mon 7/14
5:52 pm-1:44 am
1 stop5h 52m
MiamiSan José
MIA - SJO
MIASJO
Miami
Sat 7/5
7:00 am-10:39 pm
1 stop17h 39m
San José Juan Santamaria Intl
Fri 7/18
7:55 am-10:39 pm
1 stop12h 44m
MiamiSan José
MIA - SJO
MIASJO
Miami
Sat 8/30
6:00 am-12:10 pm
1 stop8h 10m
San José Juan Santamaria Intl
Mon 9/8
1:35 pm-12:24 am
1 stop8h 49m
MiamiSan José
MIA - SJO
MIASJO
Miami
Tue 7/1
5:35 am-7:50 am
1 stop4h 15m
MiamiSan José
MIA - SJO
MIASJO
Miami
Mon 7/28
2:09 pm-7:35 pm
1 stop7h 26m
MiamiSan José
MIA - SJO
MIASJO
Miami
Sun 8/17
2:28 pm-3:17 pm
Nonstop2h 49m
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.
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 June 13, 2025.
Booking 72 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 June 15, 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 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 June 15, 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 (9 on average).
Rainfall in San José by month
Plan your trip to San José by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in San José, San José Province ranges from 0.0 - 11.8 inches per month. September is typically the wettest month, when rainfall can reach 11.8 in. February is typically the driest time to visit San José, San José Province when rainfall is around 0.0 in.
Temperature in San José by month
Plan your trip to San José by taking into account the average temperature totals by month.
If weather is an important factor for your trip to San José, San José Province, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 64.4 F).
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 June 15, 2025.
Read through reviews of airlines operating flights from Key Largo to San José, such as Southwest, Delta and Copa Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
Crew
Comfort
Food
Overall
Boarding
Reviews
John,May 2025
PVD - BNA
Entertainment
Crew
Comfort
Food
Overall
Boarding
Reviews
John,May 2025
PVD - BNA
Entertainment
Crew
Comfort
Food
Overall
Boarding
Reviews
John,May 2025
PVD - BNA
Entertainment
Crew
Comfort
Food
Overall
Boarding
Reviews
John,May 2025
PVD - BNA
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.
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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.
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 June 15, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$157 | Average$265 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$161 | Average$307 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$190 | Average$352 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$204 | Average$234 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$210 | Average$254 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$277 | Average$567 | FlexibilityNo cancel fee | On-time71% |