HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Costa Rica

$618+ Cheap flights from Harlingen (HRL) to Costa Rica

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — SJO
Jul 24 — Jul 311
Fri 7/24
Fri 7/31
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Harlingen to Costa Rica with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Harlingen to Costa Rica

Cheapest flights from Harlingen to Costa Rica
Explore the most affordable flight options available from Harlingen to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 24, 2026.

This United Airlines deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:15 am
HRL
-
SJO
1 stop6h 06m
United Airlines
Thu 10/17:55 am
SJO
-
HRL
1 stop7h 04m
United Airlines
Deal found 6/20$618
This Faresmojo deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/15:10 am
HRL
-
SJO
1 stop6h 01m
JetBlue
Sun 7/511:13 am
SJO
-
HRL
1 stop9h 41m
JetBlue
Deal found 6/19$642
This United Airlines deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/79:20 am
HRL
-
SJO
1 stop11h 19m
United Airlines
Thu 12/108:45 am
SJO
-
HRL
1 stop6h 49m
United Airlines
Deal found 6/22$692
This American Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/316:00 am
HRL
-
SJO
1 stop17h 38m
American Airlines
Sun 8/211:41 pm
SJO
-
HRL
1 stop9h 31m
American Airlines
Deal found 6/23$703
This United Airlines deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/15:10 am
HRL
-
SJO
1 stop6h 01m
United Airlines
Sun 7/511:13 am
SJO
-
HRL
1 stop7h 36m
United Airlines
Deal found 6/19$741
This United Airlines deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/15:10 am
HRL
-
SJO
1 stop6h 01m
United Airlines
Thu 7/211:13 am
SJO
-
HRL
1 stop7h 36m
United Airlines
Deal found 6/19$794
This United Airlines deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/187:20 am
HRL
-
SJO
1 stop16h 19m
United Airlines
Fri 7/2412:30 am
SJO
-
HRL
1 stop18h 19m
United Airlines
Deal found 6/20$837
This Faresmojo deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/305:20 pm
HRL
-
SJO
1 stop6h 19m
JetBlue
Sun 7/511:13 am
SJO
-
HRL
1 stop9h 41m
JetBlue
Deal found 6/19$878
This American Airlines deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/185:18 pm
HRL
-
SJO
2 stops20h 42m
American Airlines
Sat 7/2511:41 pm
SJO
-
HRL
1 stop9h 31m
American Airlines
Deal found 6/20$940

Find flight deals from Harlingen to Costa Rica

Keep the following information in mind while searching for Harlingen to Costa Rica flight deals. Data was last updated June 24, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$618
(United Airlines)
Provider with most accurate pricing for Harlingen Valley Intl-San José Juan Santamaria Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Harlingen Valley Intl-San José Juan Santamaria Intl flights.
Search Deals
From Harlingen Valley Intl to Costa Rica
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Harlingen 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, Cheapflights users made 2,558,603 searches. Data last updated June 24, 2026.
Use the filters below to find and compare flights from Harlingen to Costa Rica that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

HarlingenSan José

HRL - SJO

HRLSJO

Harlingen Valley Intl

Sun 9/27

7:15 am-12:21 pm

1 stop6h 06m

San José Juan Santamaria Intl

Thu 10/1

7:55 am-3:59 pm

1 stop7h 04m

$618

HarlingenSan José

HRL - SJO

HRLSJO

Harlingen Valley Intl

Mon 12/7

9:20 am-8:39 pm

1 stop11h 19m

San José Juan Santamaria Intl

Thu 12/10

8:45 am-3:34 pm

1 stop6h 49m

$692

HarlingenSan José

HRL - SJO

HRLSJO

Harlingen Valley Intl

Fri 7/31

8:04 pm-1:11 pm

2 stops18h 07m

San José Juan Santamaria Intl

Sun 8/2

11:41 pm-10:12 am

1 stop9h 31m

$708

HarlingenSan José

HRL - SJO

HRLSJO

Harlingen Valley Intl

Sat 7/18

7:20 am-10:39 pm

1 stop16h 19m

San José Juan Santamaria Intl

Fri 7/24

12:30 am-7:49 pm

1 stop18h 19m

$837

HarlingenSan José

HRL - SJO

HRLSJO

Harlingen Valley Intl

Sat 7/18

5:18 pm-1:00 pm

2 stops20h 42m

San José Juan Santamaria Intl

Sat 7/25

11:41 pm-10:12 am

1 stop9h 31m

$940

HarlingenSan José

HRL - SJO

HRLSJO

Harlingen Valley Intl

Mon 12/7

7:18 am-10:05 pm

2 stops38h 47m

San José Juan Santamaria Intl

Thu 12/10

8:35 am-7:32 pm

2 stops34h 57m

$1,234

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/20

Sorted by cheapest first

Best time to book a flight from Harlingen to Costa Rica

Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Harlingen with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Harlingen to Costa Rica
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Harlingen to Costa Rica. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Harlingen to Costa Rica?

    Most people fly from Harlingen Valley Intl (HRL) if they book a flight from Harlingen to Costa Rica. Harlingen Valley Intl is conveniently located just 3.7 mi from Harlingen’s city center.

  • How long is the flight from Harlingen to Costa Rica?

    United Airlines and American Airlines can get you from Harlingen to Costa Rica in just under 6h 06m. Your travel time can differ by up to 12h 01m. The distance between Harlingen and Costa Rica is about 1424 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Harlingen to Costa Rica that include hotel bookings?

    Yes. In addition to deals on Harlingen to Costa Rica flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Harlingen to Costa Rica?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Harlingen to Costa Rica.

  • Can I find deals for business class flights from Harlingen to Costa Rica?

    Yes. Cheapflights offers flight deals from Harlingen to Costa Rica by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.