Cheap flights from Louisville to San Jose, Costa Rica from $283 SDF → SJO
Louisville International Airport (SDF) → Juan Santamaria International Airport (SJO)
The cheapest one-way found recently is $283 with American Airlines, 16 Jan 2027, found 3 days ago.
- Cheapest one-way found recently
- $283, found 3 days ago
- Cheapest month to fly
- January 2027, one-way fares from $283 found in the last 7 days
One-way
The cheapest one-way fare on each of 3 departure dates is usually $323 to $448.
Cheapest one-way found recently
$283
16 Jan 2027 · American Airlines
Louisville International Airport (SDF) → Juan Santamaria International Airport (SJO)
Leaves 6:15 p.m. · 19 h 15 min trip
2 stops
found 3 days ago
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$283 16 Jan 2027found 3 days agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 5 days, 7 Nov to 11 Nov, the cheapest one-way we saw each day was $283 to $532.
At $283, the cheapest one-way found recently is at the low end of that range.
5 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good one-way price?
Compared with the cheapest one-way fare on each of 3 departure dates from 20 Dec to 12 Mar 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 16 Jan 2027 to compare.
Every date we hold
3 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 20 Dec | $532 | American Airlines | Louisville International Airport (SDF) → Juan Santamaria International Airport (SJO) | 1 stop | found 7 days ago | Open this trip |
| 16 Jan 2027 | $283 | American Airlines | Louisville International Airport (SDF) → Juan Santamaria International Airport (SJO) | 2 stops | found 3 days ago | Open this trip |
| 12 Mar 2027 | $363 | United Airlines | Louisville International Airport (SDF) → Juan Santamaria International Airport (SJO) | 1 stop | found 3 days ago | Open this trip |
Which month looks cheapest?
January 2027 is the cheapest month — from $283.
Airlines on the cheapest dates: American Airlines, United Airlines.
Premium cabin fares from Louisville to San Jose
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 16 Jan 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Louisville to San Jose?
One-way
Not enough history yet: we have 5 days of one-way prices, 7 Nov to 11 Nov, and compare booking times once 3 booking ranges have 7 days each.
Live price for these dates
The cheapest one-way found recently is for 16 Jan 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a one-way flight from Louisville to San Jose?
The cheapest one-way found recently is $283 with American Airlines, 16 Jan 2027, found 3 days ago. The cheapest one-way fare on each of 3 departure dates is usually $323 to $448.
What is the cheapest month to fly from Louisville to San Jose?
January 2027 is the cheapest month for a one-way, from $283, 16 Jan 2027, found 3 days ago.
How long is the flight from Louisville to San Jose?
The cheapest one-way found recently, with American Airlines on 16 Jan 2027, takes 19 h 15 min with 2 stops.
Which airlines have the cheapest flights from Louisville to San Jose?
Between 20 Dec and 12 Mar 2027, American Airlines has the cheapest one-way on 2 of the 3 departure dates we hold, and United Airlines on 1.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work