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$559+ Cheap flights from Harlingen, TX (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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — SJO
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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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 January 29, 2026.

This United Airlines deal was found by Cheapflights users on 1/28. 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 4/2012:05 pm
HRL
-
SJO
1 stop23h 06m
United Airlines
Wed 4/2211:13 am
SJO
-
HRL
1 stop9h 46m
United Airlines
Deal found 1/28$559
This Air Canada deal was found by Cheapflights users on 1/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:00 am
HRL
-
SJO
2 stops39h 35m
Air Canada
Wed 4/227:55 am
SJO
-
HRL
2 stops37h 04m
Air Canada
Deal found 1/28$1,147

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$559
(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 January 29, 2026.
Use the filters below to find and compare flights from Harlingen to Costa Rica that are best for you.

Fly from

Harlingen

Fly to

Costa Rica

Route

Depart

Return

Price

HarlingenSan José

HRL - SJO

HRLSJO

Harlingen Valley Intl

Mon 4/20

9:20 am-10:11 am

1 stop25h 51m

San José Juan Santamaria Intl

Wed 4/22

11:13 am-9:59 pm

1 stop9h 46m

$559

HarlingenSan José

HRL - SJO

HRLSJO

Harlingen Valley Intl

Mon 4/20

7:00 am-9:35 pm

2 stops39h 35m

San José Juan Santamaria Intl

Wed 4/22

7:55 am-9:59 pm

2 stops37h 04m

$1,147

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

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

What is the cheapest month to book a flight from Harlingen, Texas to Costa Rica?

Currently, October is the cheapest month in which you can book a flight from Harlingen, Texas to Costa Rica (average of $417). Flying from Harlingen, Texas to Costa Rica in December is currently the most expensive (average of $840). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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, Texas to Costa Rica?

    United Airlines and Air Canada can get you from Harlingen, Texas to Costa Rica in just under 23h 06m. Your travel time can differ by up to 16h 29m. The distance between Harlingen, Texas and Costa Rica is about 1424 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with 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.

  • What is the cheapest month to book a flight from Harlingen, Texas to Costa Rica?

    Currently, October is the cheapest month in which you can book a flight from Harlingen, Texas to Costa Rica (average of $417). Flying from Harlingen, Texas to Costa Rica in December is currently the most expensive (average of $840). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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