Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Louisville to Costa Rica from $154

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 10/18. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Louisville to Costa Rica

Cheap round-trip flights

Multiple Airlines Logo
5:31 pm - 11:30 amSDF-SJO
19h 59m1 stop
Multiple Airlines Logo
1:19 pm - 9:04 amSJO-SDF
18h 45m1 stop
$283Multiple Airlines
Find Deal
Wed, Oct 29 - Thu, Nov 13
Spirit Airlines Logo
5:31 pm - 11:30 amSDF-SJO
19h 59m1 stop
Spirit Airlines Logo
1:19 pm - 9:59 amSJO-SDF
19h 40m1 stop
$289Spirit Airlines
Find Deal
Wed, Oct 22 - Wed, Nov 12
Multiple Airlines Logo
5:31 pm - 10:41 amSDF-SJO
19h 10m2 stops
Multiple Airlines Logo
7:30 am - 11:45 pmSJO-SDF
15h 15m1 stop
$292Multiple Airlines
Find Deal
Wed, Oct 29 - Thu, Nov 13
American Airlines Logo
5:47 am - 11:00 pmSDF-SJO
18h 13m1 stop
American Airlines Logo
1:55 pm - 12:17 amSJO-SDF
9h 22m1 stop
$372American Airlines
Find Deal
Sun, Feb 1 - Tue, Feb 10
American Airlines Logo
5:53 pm - 12:00 pmSDF-SJO
20h 07m2 stops
American Airlines Logo
6:00 am - 9:39 pmSJO-SDF
14h 39m2 stops
$376American Airlines
Find Deal
Wed, Oct 22 - Wed, Nov 12
Copa Airlines Logo
9:00 am - 9:53 pmSDF-SJO
14h 53m2 stops
Copa Airlines Logo
6:08 pm - 8:14 pmSJO-SDF
24h 06m2 stops
$484Copa Airlines
Find Deal
Sun, Mar 22 - Fri, Mar 27
United Airlines Logo
7:05 am - 12:08 pmSDF-LIR
7h 03m1 stop
United Airlines Logo
7:50 am - 9:30 pmLIR-SDF
11h 40m1 stop
$535United Airlines
Find Deal
Wed, Mar 11 - Tue, Mar 17
United Airlines Logo
9:00 am - 5:30 pmSDF-LIR
10h 30m2 stops
United Airlines Logo
7:50 am - 8:14 pmLIR-SDF
10h 24m2 stops
$539United Airlines
Find Deal
Wed, Mar 11 - Tue, Mar 17
Delta Logo
6:00 am - 12:50 pmSDF-LIR
7h 50m1 stop
Delta Logo
2:15 pm - 11:56 pmLIR-SDF
8h 41m1 stop
$555Delta
Find Deal
Thu, Jan 8 - Wed, Jan 14
Copa Airlines Logo
11:10 am - 9:52 pmSDF-SJO
11h 42m2 stops
Copa Airlines Logo
4:09 am - 7:43 pmSJO-SDF
14h 34m2 stops
$571Copa Airlines
Find Deal
Tue, Feb 3 - Sun, Feb 8

United Airlines flights from Louisville to Costa Rica

Our best United Airlines deals on Louisville to Costa Rica flight tickets
United Airlines
Sep 28
SDF9:40 amLouisville Intl
11h 57m
1 stop
SJO7:37 pmSan José Juan Santamaria Intl
Oct 7
SJO7:55 amSan José Juan Santamaria Intl
11h 59m
1 stop
SDF9:54 pmLouisville Intl
$372
Find similar
United Airlines
Mar 11
SDF7:05 amLouisville Intl
7h 03m
1 stop
LIR12:08 pmLiberia
Mar 17
LIR7:50 amLiberia
11h 40m
1 stop
SDF9:30 pmLouisville Intl
$535
Find similar
United Airlines
Mar 11
SDF9:00 amLouisville Intl
10h 30m
2 stops
LIR5:30 pmLiberia
Mar 17
LIR7:50 amLiberia
10h 24m
2 stops
SDF8:14 pmLouisville Intl
$539
Find similar

American Airlines flights from Louisville to Costa Rica

Our best American Airlines deals on Louisville to Costa Rica flight tickets
American Airlines
Feb 1
SDF5:47 amLouisville Intl
18h 13m
1 stop
SJO11:00 pmSan José Juan Santamaria Intl
Feb 10
SJO1:55 pmSan José Juan Santamaria Intl
9h 22m
1 stop
SDF12:17 amLouisville Intl
$372
Find similar
American Airlines
Oct 2
SDF7:35 amLouisville Intl
14h 07m
2 stops
SJO7:42 pmSan José Juan Santamaria Intl
Oct 8
SJO2:40 pmSan José Juan Santamaria Intl
16h 43m
2 stops
SDF9:23 amLouisville Intl
$376
Find similar
American Airlines
Oct 20
SDF6:00 amLouisville Intl
8h 00m
1 stop
SJO12:00 pmSan José Juan Santamaria Intl
Oct 27
SJO2:40 pmSan José Juan Santamaria Intl
7h 56m
1 stop
SDF12:36 amLouisville Intl
$424
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 September 23, 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 10/29

5:31 pm-11:30 am

1 stop19h 59m

San José Juan Santamaria Intl

Thu 11/13

1:19 pm-9:04 am

1 stop18h 45m

$283

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Wed 10/22

5:31 pm-11:30 am

1 stop19h 59m

San José Juan Santamaria Intl

Wed 11/12

1:19 pm-9:59 am

1 stop19h 40m

$289

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Wed 10/29

5:31 pm-10:41 am

2 stops19h 10m

San José Juan Santamaria Intl

Thu 11/13

7:30 am-11:45 pm

1 stop15h 15m

$292

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Sun 2/1

5:47 am-11:00 pm

1 stop18h 13m

San José Juan Santamaria Intl

Tue 2/10

1:55 pm-12:17 am

1 stop9h 22m

$372

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Wed 10/22

5:53 pm-12:00 pm

2 stops20h 07m

San José Juan Santamaria Intl

Wed 11/12

6:00 am-9:39 pm

2 stops14h 39m

$376

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Sun 3/22

9:00 am-9:53 pm

2 stops14h 53m

San José Juan Santamaria Intl

Fri 3/27

6:08 pm-8:14 pm

2 stops24h 06m

$484

LouisvilleLiberia

SDF - LIR

SDFLIR

Louisville Intl

Wed 3/11

7:05 am-12:08 pm

1 stop7h 03m

Liberia

Tue 3/17

7:50 am-9:30 pm

1 stop11h 40m

$535

LouisvilleLiberia

SDF - LIR

SDFLIR

Louisville Intl

Wed 3/11

9:00 am-5:30 pm

2 stops10h 30m

Liberia

Tue 3/17

7:50 am-8:14 pm

2 stops10h 24m

$539

LouisvilleLiberia

SDF - LIR

SDFLIR

Louisville Intl

Thu 1/8

6:00 am-12:50 pm

1 stop7h 50m

Liberia

Wed 1/14

2:15 pm-11:56 pm

1 stop8h 41m

$555

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Tue 2/3

11:10 am-9:52 pm

2 stops11h 42m

San José Juan Santamaria Intl

Sun 2/8

4:09 am-7:43 pm

2 stops14h 34m

$571

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 August. Flight prices, which tend to average around $375, are often lower during this time because this is during the off-season. If you’re not able to fly to Costa Rica in August, then September is your next best option. Flight prices from Louisville to Costa Rica during September average around $403.

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 $545 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 $447 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

Direct flights

None
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
8,031 reviews
Search Spirit Airlines flights
DeltaPriceFrom $289Free CancellationRating
7.9
7,974 reviews
Search Delta flights
United AirlinesPriceFrom $353Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
American AirlinesPriceFrom $360Free CancellationRating
7.2
10,000 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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 10/23
Thu 10/30
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Costa Rica