$495+ Cheap flights from Key West (EYW) to San José (SJO)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — SJO
Jan 11 — Jan 181
1 adult, Economy
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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
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Key West to San José
Cheapest flights from Key West to San JoséExplore the most affordable flight options available from Key West to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.
Explore the most affordable flight options available from Key West to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.
This American Airlines deal was found by Cheapflights users on 12/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/112:50 pmEYW - SJO
2 stops24h 06mAmerican Airlines
Wed 12/177:00 amSJO - EYW
2 stops13h 46mAmerican Airlines
Deal found 12/11![American Airlines logo]()
$586
Find flight deals from Key West to San José
Discover tips and strategies to find the most affordable flight options for your journey from Key West (EYW) to San José (SJO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 12, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $495 (Delta) |
Cheapflights Fare Finder
Customize your flight search to find flights from Key West 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 December 12, 2025.
Use the filters below to find and compare flights from Key West to San José that are best for you.
Fly from
Key West
Fly to
San José
Route
Depart
Return
Price
Key WestSan José
EYW - SJO
EYWSJO
Key West
Wed 1/21
7:10 am-10:15 pm
1 stop16h 05m
San José Juan Santamaria Intl
Mon 1/26
7:00 am-5:11 pm
1 stop9h 11m
$495
Key WestSan José
EYW - SJO
EYWSJO
Key West
Wed 1/21
7:08 am-7:44 pm
2 stops13h 36m
San José Juan Santamaria Intl
Mon 1/26
8:00 am-7:10 pm
1 stop10h 10m
$516
Key WestSan José
EYW - SJO
EYWSJO
Key West
Wed 1/7
6:43 pm-12:43 pm
2 stops19h 00m
San José Juan Santamaria Intl
Mon 1/12
7:30 am-7:10 pm
1 stop10h 40m
$544
Key WestSan José
EYW - SJO
EYWSJO
Key West
Wed 1/7
1:00 pm-1:48 pm
2 stops25h 48m
San José Juan Santamaria Intl
Mon 1/12
2:05 pm-12:05 pm
2 stops21h 00m
$1,080
Key WestSan José
EYW - SJO
EYWSJO
Key West
Wed 1/7
1:00 pm-9:35 am
3 stops21h 35m
San José Juan Santamaria Intl
Mon 1/12
2:05 pm-12:05 pm
2 stops21h 00m
$1,310
Compare providers for flights from Key West to San José
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Key West to San José in December.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Key West-San José flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Key West-San José flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Key West-San José flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Key West-San José flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Key West-San José flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Key West to San José
Have a flexible travel schedule? Discover the best time to fly to San José from Key West 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.
Related info for your journey
Find useful and relevant information for your journey from Key West 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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