$152+ Cheap flights from San Juan to Key West (EYW)
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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — EYW
Dec 6 — Dec 131
1 adult, Economy
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Cheapest flights from San Juan to Key WestExplore the most affordable flight options available from San Juan to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 6, 2025.
Explore the most affordable flight options available from San Juan to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 6, 2025.
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/246:10 amSJU - EYW
1 stop29h 09mMultiple Airlines
Fri 11/289:57 amEYW - SJU
2 stops13h 58mMultiple Airlines
Deal found 11/3![Multiple Airlines logo]()
$344
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/611:13 amSJU - EYW
2 stops11h 34mAmerican Airlines
Sun 11/912:00 pmEYW - SJU
1 stop10h 58mAmerican Airlines
Deal found 11/4![American Airlines logo]()
$994
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/248:30 amSJU - EYW
3 stops30h 19mUnited Airlines
Fri 11/284:00 pmEYW - SJU
1 stop22h 40mUnited Airlines
Deal found 11/3![United Airlines logo]()
$1,016
Cheap flight deals from San Juan to Key West
Discover tips and strategies to find the most affordable flight options for your journey from San Juan (PR1) to Key West (EYW). 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 November 6, 2025.
Round-trip from | $514 (American Airlines) |
|---|---|
One-way from | $152 (Kiwi.com) |
Cheapflights Fare Finder
Customize your flight search to find flights from San Juan to Key West 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 November 6, 2025.
Use the filters below to find and compare flights from San Juan to Key West that are best for you.
Fly from
San Juan
Fly to
Key West
Route
Depart
Return
Price
San JuanKey West
SJU - EYW
SJUEYW
San Juan Luis Munoz Marin Intl
Mon 11/24
6:10 am-10:19 am
1 stop29h 09m
Key West
Fri 11/28
9:57 am-12:55 am
2 stops13h 58m
$344
San JuanKey West
SJU - EYW
SJUEYW
San Juan Luis Munoz Marin Intl
Tue 3/3
8:19 am-4:43 pm
1 stop9h 24m
Key West
Wed 3/4
3:20 pm-3:42 pm
2 stops23h 22m
$514
San JuanKey West
SJU - EYW
SJUEYW
San Juan Luis Munoz Marin Intl
Mon 11/24
8:30 am-1:49 pm
3 stops30h 19m
Key West
Fri 11/28
4:00 pm-3:40 pm
1 stop22h 40m
$1,016
San JuanKey West
SJU - EYW
SJUEYW
San Juan Luis Munoz Marin Intl
Fri 12/5
7:00 am-3:04 pm
1 stop9h 04m
$152
Best time to book a flight from San Juan to Key West
Have a flexible travel schedule? Discover the best time to fly to Key West from San Juan 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 San Juan to Key West
What is the cheapest time of day to fly from SJU to EYW?
Find hourly flight availability from San Juan to Key West. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 6, 2025.
One of the essential ways to save on airfare from San Juan to Key West is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 56% on airfare.