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Cheap flights from Louisville to Costa Rica from $159

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Costa Rica departing on 5/1. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from Louisville to Costa Rica

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:06 pm - 11:33 am
SDF
-
SJO
19h 27m
1 stop
Multiple Airlines Logo
12:38 pm - 8:20 pm
SJO
-
SDF
29h 42m
1 stop
$379Multiple Airlines
Sun, May 17 - Thu, May 28
American Airlines Logo
11:01 am - 9:36 pm
SDF
-
SJO
12h 35m
1 stop
American Airlines Logo
12:35 pm - 8:38 am
SJO
-
SDF
18h 03m
1 stop
$411American Airlines
Fri, May 1 - Thu, May 7
Multiple Airlines Logo
6:55 pm - 11:33 am
SDF
-
SJO
18h 38m
2 stops
Multiple Airlines Logo
12:38 pm - 8:20 pm
SJO
-
SDF
29h 42m
1 stop
$414Multiple Airlines
Sun, May 17 - Thu, May 28
American Airlines Logo
9:43 am - 7:07 pm
SDF
-
SJO
11h 24m
2 stops
American Airlines Logo
11:35 pm - 10:15 am
SJO
-
SDF
8h 40m
1 stop
$416American Airlines
Fri, May 1 - Thu, May 7
American Airlines Logo
6:02 pm - 11:56 am
SDF
-
SJO
19h 54m
2 stops
American Airlines Logo
3:08 pm - 11:27 am
SJO
-
SDF
18h 19m
2 stops
$428American Airlines
Tue, Jun 9 - Mon, Jun 15
Multiple Airlines Logo
6:06 pm - 11:33 am
SDF
-
SJO
19h 27m
1 stop
Multiple Airlines Logo
12:38 pm - 8:20 pm
SJO
-
SDF
29h 42m
1 stop
$430Multiple Airlines
Sun, May 17 - Sun, May 31
GOL Logo
7:52 pm - 11:07 am
SDF
-
SJO
17h 15m
2 stops
GOL Logo
12:10 pm - 8:38 am
SJO
-
SDF
18h 28m
2 stops
$434GOL
Mon, May 11 - Sat, May 16
Spirit Airlines Logo
6:06 pm - 11:33 am
SDF
-
SJO
19h 27m
1 stop
Spirit Airlines Logo
12:38 pm - 5:04 pm
SJO
-
SDF
26h 26m
1 stop
$440Spirit Airlines
Sun, May 17 - Fri, May 29
United Airlines Logo
5:40 am - 2:25 pm
SDF
-
LIR
10h 45m
2 stops
United Airlines Logo
11:10 am - 10:15 pm
LIR
-
SDF
9h 05m
1 stop
$462United Airlines
Fri, May 15 - Sun, May 24
United Airlines Logo
9:15 am - 2:25 pm
SDF
-
LIR
7h 10m
1 stop
United Airlines Logo
3:27 pm - 12:00 pm
LIR
-
SDF
18h 33m
1 stop
$474United Airlines
Sat, May 2 - Sat, May 9

American Airlines flights from Louisville to Costa Rica

Our best American Airlines deals on Louisville to Costa Rica flight tickets
American Airlines
May 1
SDF11:01 amLouisville Intl
12h 35m
1 stop
SJO9:36 pmSan José Juan Santamaria Intl
May 7
SJO12:35 pmSan José Juan Santamaria Intl
18h 03m
1 stop
SDF8:38 amLouisville Intl
$411
American Airlines
May 1
SDF9:43 amLouisville Intl
11h 24m
2 stops
SJO7:07 pmSan José Juan Santamaria Intl
May 7
SJO11:35 pmSan José Juan Santamaria Intl
8h 40m
1 stop
SDF10:15 amLouisville Intl
$416
American Airlines
Jun 9
SDF6:02 pmLouisville Intl
19h 54m
2 stops
SJO11:56 amSan José Juan Santamaria Intl
Jun 15
SJO3:08 pmSan José Juan Santamaria Intl
18h 19m
2 stops
SDF11:27 amLouisville Intl
$428

Delta flights from Louisville to Costa Rica

Our best Delta deals on Louisville to Costa Rica flight tickets
Delta
Aug 19
SDF6:00 amLouisville Intl
7h 56m
1 stop
SJO11:56 amSan José Juan Santamaria Intl
Aug 27
SJO1:21 pmSan José Juan Santamaria Intl
7h 15m
1 stop
SDF10:36 pmLouisville Intl
$438
Delta
Aug 20
SDF7:00 amLouisville Intl
6h 56m
1 stop
SJO11:56 amSan José Juan Santamaria Intl
Aug 27
SJO1:21 pmSan José Juan Santamaria Intl
8h 38m
1 stop
SDF11:59 pmLouisville Intl
$466
Delta
Mar 25
SDF10:13 amLouisville Intl
13h 02m
1 stop
SJO9:15 pmSan José Juan Santamaria Intl
Apr 2
SJO1:20 pmSan José Juan Santamaria Intl
8h 37m
1 stop
SDF11:57 pmLouisville Intl
$524

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 March 23, 2026.
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

Cheapest round-trip

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Sun 5/17

6:06 pm-11:33 am

1 stop19h 27m

San José Juan Santamaria Intl

Thu 5/28

12:38 pm-8:20 pm

1 stop29h 42m

$379

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Fri 5/1

11:01 am-9:36 pm

1 stop12h 35m

San José Juan Santamaria Intl

Thu 5/7

12:35 pm-8:38 am

1 stop18h 03m

$411

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Sun 5/17

6:55 pm-11:33 am

2 stops18h 38m

San José Juan Santamaria Intl

Thu 5/28

12:38 pm-8:20 pm

1 stop29h 42m

$414

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Fri 5/1

9:43 am-7:07 pm

2 stops11h 24m

San José Juan Santamaria Intl

Thu 5/7

11:35 pm-10:15 am

1 stop8h 40m

$416

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Tue 6/9

6:02 pm-11:56 am

2 stops19h 54m

San José Juan Santamaria Intl

Mon 6/15

3:08 pm-11:27 am

2 stops18h 19m

$428

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Sun 5/17

6:06 pm-11:33 am

1 stop19h 27m

San José Juan Santamaria Intl

Sun 5/31

12:38 pm-8:20 pm

1 stop29h 42m

$430

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Mon 5/11

7:52 pm-11:07 am

2 stops17h 15m

San José Juan Santamaria Intl

Sat 5/16

12:10 pm-8:38 am

2 stops18h 28m

$434

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Sun 5/17

6:06 pm-11:33 am

1 stop19h 27m

San José Juan Santamaria Intl

Fri 5/29

12:38 pm-5:04 pm

1 stop26h 26m

$440
Quickest round-trip

LouisvilleLiberia

SDF - LIR

SDFLIR

Louisville Intl

Fri 5/15

5:40 am-2:25 pm

2 stops10h 45m

Liberia

Sun 5/24

11:10 am-10:15 pm

1 stop9h 05m

$462

LouisvilleLiberia

SDF - LIR

SDFLIR

Louisville Intl

Sat 5/2

9:15 am-2:25 pm

1 stop7h 10m

Liberia

Sat 5/9

3:27 pm-12:00 pm

1 stop18h 33m

$474

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 February. Flight prices, which tend to average around $399, are often lower during this time because this is during the off-season. If you’re not able to fly to Costa Rica in February, then September is your next best option. Flight prices from Louisville to Costa Rica during September average around $399.

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 $502 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 10m

Direct flights

None
The fastest flight from Louisville to Costa Rica takes 7h 10m
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
DeltaPriceFrom $289Free CancellationRating
7.9
8,319 reviews
Search Delta flights
SouthwestPriceFrom $340Free CancellationRating
8.0
4,324 reviews
Search Southwest flights
United AirlinesPriceFrom $353Free CancellationRating
7.4
9,460 reviews
Search United Airlines flights
American AirlinesPriceFrom $353Free CancellationRating
7.1
11,489 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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