Cheap flights from Louisville to Costa Rica from $126

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 8/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

 Logo
6:00 am - 3:16 pmSDF-SJO
10h 16m1 stop
 Logo
7:30 am - 11:45 pmSJO-SDF
15h 15m1 stop
Wed, Nov 12 - Sun, Nov 16
 Logo
7:58 pm - 11:12 amSDF-SJO
17h 14m1 stop
 Logo
11:27 am - 10:04 amSJO-SDF
20h 37m2 stops
Fri, Aug 15 - Thu, Aug 28
Spirit Airlines Logo
8:40 pm - 11:14 amSDF-SJO
16h 34m1 stop
Spirit Airlines Logo
12:22 pm - 11:45 pmSJO-SDF
10h 23m1 stop
$305Spirit Airlines
Find Deal
Wed, Oct 22 - Wed, Nov 12
Spirit Airlines Logo
8:30 am - 11:14 amSDF-SJO
28h 44m1 stop
Spirit Airlines Logo
12:19 pm - 10:28 pmSJO-SDF
8h 09m1 stop
$309Spirit Airlines
Find Deal
Mon, Sep 29 - Mon, Oct 6
 Logo
11:17 am - 10:27 amSDF-SJO
25h 10m2 stops
 Logo
12:19 pm - 10:04 pmSJO-SDF
7h 45m1 stop
Mon, Sep 15 - Mon, Sep 22
American Airlines Logo
8:14 pm - 2:10 pmSDF-LIR
18h 56m2 stops
American Airlines Logo
3:10 pm - 10:11 amLIR-SDF
18h 01m1 stop
$339American Airlines
Find Deal
Thu, Dec 11 - Mon, Dec 15
American Airlines Logo
7:12 pm - 12:20 pmSDF-LIR
18h 08m2 stops
American Airlines Logo
3:10 pm - 10:25 amLIR-SDF
18h 15m2 stops
$344American Airlines
Find Deal
Wed, Dec 10 - Sun, Dec 14
United Airlines Logo
9:30 am - 6:37 pmSDF-LIR
10h 07m1 stop
United Airlines Logo
8:35 am - 9:57 pmLIR-SDF
12h 22m1 stop
$445United Airlines
Find Deal
Wed, Dec 10 - Sun, Dec 14
United Airlines Logo
7:10 am - 6:37 pmSDF-LIR
12h 27m1 stop
United Airlines Logo
2:20 pm - 7:54 pmLIR-SDF
28h 34m1 stop
$454United Airlines
Find Deal
Thu, Dec 4 - Mon, Dec 8
Delta Logo
7:00 am - 12:52 pmSDF-SJO
6h 52m1 stop
Delta Logo
2:17 pm - 10:30 pmSJO-SDF
7h 13m1 stop
$465Delta
Find Deal
Thu, Dec 11 - Mon, Dec 15

Spirit Airlines flights from Louisville to Costa Rica

Our best Spirit Airlines deals on Louisville to Costa Rica flight tickets
Spirit Airlines
Oct 22
SDF8:40 pmLouisville Intl
16h 34m
1 stop
SJO11:14 amSan José Juan Santamaria Intl
Nov 12
SJO12:22 pmSan José Juan Santamaria Intl
10h 23m
1 stop
SDF11:45 pmLouisville Intl
Spirit Airlines
Sep 29
SDF8:30 amLouisville Intl
28h 44m
1 stop
SJO11:14 amSan José Juan Santamaria Intl
Oct 6
SJO12:19 pmSan José Juan Santamaria Intl
8h 09m
1 stop
SDF10:28 pmLouisville Intl
Spirit Airlines
Oct 22
SDF8:40 pmLouisville Intl
16h 34m
1 stop
SJO11:14 amSan José Juan Santamaria Intl
Oct 26
SJO11:37 amSan José Juan Santamaria Intl
9h 03m
1 stop
SDF10:40 pmLouisville Intl

United Airlines flights from Louisville to Costa Rica

Our best United Airlines deals on Louisville to Costa Rica flight tickets
United Airlines
Dec 10
SDF9:30 amLouisville Intl
10h 07m
1 stop
LIR6:37 pmLiberia
Dec 14
LIR8:35 amLiberia
12h 22m
1 stop
SDF9:57 pmLouisville Intl
United Airlines
Dec 4
SDF7:10 amLouisville Intl
12h 27m
1 stop
LIR6:37 pmLiberia
Dec 8
LIR2:20 pmLiberia
28h 34m
1 stop
SDF7:54 pmLouisville Intl
United Airlines
Aug 9
SDF7:22 pmLouisville Intl
18h 48m
2 stops
LIR12:10 pmLiberia
Aug 16
LIR3:25 pmLiberia
28h 49m
2 stops
SDF10:14 pmLouisville Intl

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 August 2, 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

Wed 11/12

6:00 am-3:16 pm

1 stop10h 16m

San José Juan Santamaria Intl

Sun 11/16

7:30 am-11:45 pm

1 stop15h 15m

$285

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Fri 8/15

7:58 pm-11:12 am

1 stop17h 14m

San José Juan Santamaria Intl

Thu 8/28

11:27 am-10:04 am

2 stops20h 37m

$292

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Wed 10/22

8:40 pm-11:14 am

1 stop16h 34m

San José Juan Santamaria Intl

Wed 11/12

12:22 pm-11:45 pm

1 stop10h 23m

$305

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Mon 9/29

8:30 am-11:14 am

1 stop28h 44m

San José Juan Santamaria Intl

Mon 10/6

12:19 pm-10:28 pm

1 stop8h 09m

$309

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Mon 9/15

11:17 am-10:27 am

2 stops25h 10m

San José Juan Santamaria Intl

Mon 9/22

12:19 pm-10:04 pm

1 stop7h 45m

$312

LouisvilleLiberia

SDF - LIR

SDFLIR

Louisville Intl

Thu 12/11

8:14 pm-2:10 pm

2 stops18h 56m

Liberia

Mon 12/15

3:10 pm-10:11 am

1 stop18h 01m

$339

LouisvilleLiberia

SDF - LIR

SDFLIR

Louisville Intl

Wed 12/10

7:12 pm-12:20 pm

2 stops18h 08m

Liberia

Sun 12/14

3:10 pm-10:25 am

2 stops18h 15m

$344

LouisvilleLiberia

SDF - LIR

SDFLIR

Louisville Intl

Wed 12/10

9:30 am-6:37 pm

1 stop10h 07m

Liberia

Sun 12/14

8:35 am-9:57 pm

1 stop12h 22m

$445

LouisvilleLiberia

SDF - LIR

SDFLIR

Louisville Intl

Thu 12/4

7:10 am-6:37 pm

1 stop12h 27m

Liberia

Mon 12/8

2:20 pm-7:54 pm

1 stop28h 34m

$454

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Thu 12/11

7:00 am-12:52 pm

1 stop6h 52m

San José Juan Santamaria Intl

Mon 12/15

2:17 pm-10:30 pm

1 stop7h 13m

$465

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 October. Flight prices, which tend to average around $351, 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 $420.

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 $531 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 $414 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

Best Price Found

$126

Fastest flight time

6h 27m

Direct flights

None

Airports in Costa Rica

2 airports
The best one-way flight to Costa Rica from Louisville in the past 72 hours is $126. The best round-trip flight deal from Louisville to Costa Rica found on momondo in the last 72 hours is $285.
The fastest flight from Louisville to Costa Rica takes 6h 27m
There are no direct flights from Louisville to Costa Rica. Popular non-direct routes for this connection are Louisville Intl Airport - San José Juan Santamaria Intl Airport and Louisville Intl Airport - Liberia Airport.
There are 2 airports near Costa Rica: Liberia (LIR), San José Juan Santamaria Intl (SJO)

  • 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
8,054 reviews
Search Spirit Airlines flights
DeltaPriceFrom $289Free CancellationRating
8.0
7,983 reviews
Search Delta flights
American AirlinesPriceFrom $351Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $353Free CancellationRating
7.4
8,904 reviews
Search United 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.


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1 adult
Thu 8/7
Thu 8/14

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