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Cheap flights from Louisville to Costa Rica from $305

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Costa Rica departing on 2/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Spirit Airlines Logo
3:36 pm - 12:22 pm
SDF
-
SJO
21h 46m1 stop
Spirit Airlines Logo
12:33 pm - 1:00 pm
SJO
-
SDF
23h 27m1 stop
$305Spirit Airlines
Sun, Feb 1 - Tue, Feb 10
Spirit Airlines Logo
3:36 pm - 11:37 am
SDF
-
SJO
21h 01m2 stops
Spirit Airlines Logo
1:30 pm - 2:41 pm
SJO
-
SDF
24h 11m1 stop
$307Spirit Airlines
Tue, Feb 3 - Mon, Feb 9
Spirit Airlines Logo
3:36 pm - 11:37 am
SDF
-
SJO
21h 01m2 stops
Spirit Airlines Logo
12:33 pm - 2:41 pm
SJO
-
SDF
25h 08m2 stops
$327Spirit Airlines
Tue, Feb 3 - Mon, Feb 9
Multiple Airlines Logo
3:36 pm - 12:22 pm
SDF
-
SJO
21h 46m1 stop
Multiple Airlines Logo
1:30 pm - 6:04 pm
SJO
-
SDF
27h 34m1 stop
$365Multiple Airlines
Thu, Jan 22 - Sun, Jan 25
American Airlines Logo
6:00 am - 12:38 pm
SDF
-
SJO
7h 38m1 stop
American Airlines Logo
6:38 am - 8:47 pm
SJO
-
SDF
13h 09m1 stop
$372American Airlines
Tue, Feb 3 - Mon, Feb 9
Multiple Airlines Logo
2:26 pm - 11:40 am
SDF
-
SJO
46h 14m2 stops
Multiple Airlines Logo
1:31 pm - 8:40 am
SJO
-
SDF
18h 09m1 stop
$373Multiple Airlines
Thu, Feb 12 - Thu, Feb 19
United Airlines Logo
5:35 am - 4:08 pm
SDF
-
LIR
11h 33m2 stops
United Airlines Logo
8:35 am - 7:54 pm
LIR
-
SDF
10h 19m1 stop
$535United Airlines
Sun, Jan 18 - Thu, Jan 22
American Airlines Logo
6:00 am - 2:14 pm
SDF
-
LIR
9h 14m2 stops
American Airlines Logo
3:13 pm - 12:25 pm
LIR
-
SDF
20h 12m2 stops
$539American Airlines
Wed, Jan 7 - Wed, Jan 14
Delta Logo
7:00 am - 12:00 pm
SDF
-
LIR
7h 00m1 stop
Delta Logo
1:25 pm - 11:59 pm
LIR
-
SDF
8h 34m1 stop
$545Delta
Sun, May 10 - Wed, May 20
Delta Logo
7:05 am - 12:50 pm
SDF
-
LIR
6h 45m1 stop
Delta Logo
2:05 pm - 11:55 pm
LIR
-
SDF
8h 50m1 stop
$555Delta
Thu, Jan 8 - Tue, Jan 13

Spirit Airlines flights from Louisville to Costa Rica

Our best Spirit Airlines deals on Louisville to Costa Rica flight tickets
Spirit Airlines
Feb 1
SDF3:36 pmLouisville Intl
21h 46m
1 stop
SJO12:22 pmSan José Juan Santamaria Intl
Feb 10
SJO12:33 pmSan José Juan Santamaria Intl
23h 27m
1 stop
SDF1:00 pmLouisville Intl
$305
Find similar
Spirit Airlines
Feb 3
SDF3:36 pmLouisville Intl
21h 01m
2 stops
SJO11:37 amSan José Juan Santamaria Intl
Feb 9
SJO1:30 pmSan José Juan Santamaria Intl
24h 11m
1 stop
SDF2:41 pmLouisville Intl
$307
Find similar
Spirit Airlines
Feb 3
SDF3:36 pmLouisville Intl
21h 01m
2 stops
SJO11:37 amSan José Juan Santamaria Intl
Feb 9
SJO12:33 pmSan José Juan Santamaria Intl
25h 08m
2 stops
SDF2:41 pmLouisville Intl
$327
Find similar

United Airlines flights from Louisville to Costa Rica

Our best United Airlines deals on Louisville to Costa Rica flight tickets
United Airlines
Jan 26
SDF6:00 amLouisville Intl
8h 15m
1 stop
SJO1:15 pmSan José Juan Santamaria Intl
Jan 29
SJO6:30 amSan José Juan Santamaria Intl
14h 29m
1 stop
SDF9:59 pmLouisville Intl
$482
Find similar
United Airlines
Jan 26
SDF5:35 amLouisville Intl
8h 21m
1 stop
SJO12:56 pmSan José Juan Santamaria Intl
Jan 29
SJO6:30 amSan José Juan Santamaria Intl
29h 54m
2 stops
SDF1:24 pmLouisville Intl
$486
Find similar
United Airlines
Jan 22
SDF8:29 amLouisville Intl
10h 47m
2 stops
SJO6:16 pmSan José Juan Santamaria Intl
Jan 25
SJO6:30 amSan José Juan Santamaria Intl
12h 58m
2 stops
SDF8:28 pmLouisville Intl
$506
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Louisville to Costa Rica 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, momondo users made 832,500 searches. Data last updated December 11, 2025.
Use the filters below to find and compare flights from Louisville to Costa Rica that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Sun 2/1

3:36 pm-12:22 pm

1 stop21h 46m

San José Juan Santamaria Intl

Tue 2/10

12:33 pm-1:00 pm

1 stop23h 27m

$305

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Tue 2/3

3:36 pm-11:37 am

2 stops21h 01m

San José Juan Santamaria Intl

Mon 2/9

1:30 pm-2:41 pm

1 stop24h 11m

$307

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Tue 2/3

3:36 pm-11:37 am

2 stops21h 01m

San José Juan Santamaria Intl

Mon 2/9

12:33 pm-2:41 pm

2 stops25h 08m

$327

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Thu 1/22

3:36 pm-12:22 pm

1 stop21h 46m

San José Juan Santamaria Intl

Sun 1/25

1:30 pm-6:04 pm

1 stop27h 34m

$365

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Tue 2/3

6:00 am-12:38 pm

1 stop7h 38m

San José Juan Santamaria Intl

Mon 2/9

6:38 am-8:47 pm

1 stop13h 09m

$372

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Thu 2/12

2:26 pm-11:40 am

2 stops46h 14m

San José Juan Santamaria Intl

Thu 2/19

1:31 pm-8:40 am

1 stop18h 09m

$373

LouisvilleLiberia

SDF - LIR

SDFLIR

Louisville Intl

Sun 1/18

5:35 am-4:08 pm

2 stops11h 33m

Liberia

Thu 1/22

8:35 am-7:54 pm

1 stop10h 19m

$535

LouisvilleLiberia

SDF - LIR

SDFLIR

Louisville Intl

Wed 1/7

6:00 am-2:14 pm

2 stops9h 14m

Liberia

Wed 1/14

3:13 pm-12:25 pm

2 stops20h 12m

$539

LouisvilleLiberia

SDF - LIR

SDFLIR

Louisville Intl

Sun 5/10

7:00 am-12:00 pm

1 stop7h 00m

Liberia

Wed 5/20

1:25 pm-11:59 pm

1 stop8h 34m

$545

LouisvilleLiberia

SDF - LIR

SDFLIR

Louisville Intl

Thu 1/8

7:05 am-12:50 pm

1 stop6h 45m

Liberia

Tue 1/13

2:05 pm-11:55 pm

1 stop8h 50m

$555

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Costa Rica from

How to get the cheapest flight ticket from Louisville to Costa Rica

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Costa Rica?

The cheapest month to fly to Costa Rica from Louisville is in October. Flight prices, which tend to average around $392, are often lower during this time because this is during the off-season. If you’re not able to fly to Costa Rica in October, then August is your next best option. Flight prices from Louisville to Costa Rica during August average around $401.

What is the cheapest day to depart on your flight to Costa Rica?

According to our data, Wednesday is the cheapest day to fly to Costa Rica from Louisville. The lowest ticket price found for a Wednesday departure recently was $459. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $635. These prices are subject to change though, so be sure to set up a Price Alert for flights to Costa Rica.

What is the cheapest time of day to depart on your flight to Costa Rica?

In the evening is the cheapest time of day to fly from Louisville to Costa Rica when you can find flight prices for as low as $479. Flying to Costa Rica in the evening is an ideal time because this is during off-peak travel hours. Flights to Costa Rica are more costly in the afternoon, with an average ticket price of $633. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Costa Rica?

You are more likely to see cheaper flights to Costa Rica from Louisville when booking weeks ahead of your departure date. In general, you can expect to find flights to Costa Rica for around $510 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Costa Rica from Louisville for as low as $398 on momondo.

Cheap Louisville to Costa Rica flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to Costa Rica

Fastest flight time

7h 08m

Direct flights

None
The fastest flight from Louisville to Costa Rica takes 7h 08m
There are no direct flights from Louisville to Costa Rica. There are no popular flight routes from Louisville to Costa Rica.
Search flight deals

  • When did momondo last update prices for flights from Louisville Intl Airport to Costa Rica?

    Prices for flights from Louisville Intl Airport to Costa Rica are updated daily.

  • How many operators does momondo search for flights from Louisville Intl Airport to Costa Rica?

  • How old do you have to be to fly from Louisville Intl Airport to Costa Rica?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Costa Rica.

  • What documentation or ID do you need to fly to Costa Rica?

    The necessary travel and health documents for your Costa Rica trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Louisville to Costa Rica

Compare and see reviews for airlines that fly from Louisville to Costa Rica with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $249Free CancellationRating
6.3
8,180 reviews
Search Spirit Airlines flights
DeltaPriceFrom $289Free CancellationRating
7.9
8,007 reviews
Search Delta flights
United AirlinesPriceFrom $353Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights
American AirlinesPriceFrom $371Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Louisville to Costa Rica?

It is quick and easy to find Louisville to Costa Rica flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Costa Rica that suits you.

Can I find flights from Louisville to Costa Rica with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Louisville to Costa Rica flights to just show those with flexible booking policies.

How can momondo help me find flights from Louisville to Costa Rica?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Costa Rica from Louisville.

I’m not ready to book a flight from Louisville to Costa Rica right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Costa Rica, momondo offers a useful price alert feature which will track prices for flights to Costa Rica from Louisville and alert you when they change.

An easier way to manage your Costa Rica trip

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