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Cheap flights from Harlingen, Texas to Costa Rica from $568

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Harlingen, Texas to Costa Rica departing on 9/20. 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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Find the cheapest flights from Harlingen, Texas to Costa Rica

Cheap round-trip flights

United Airlines Logo
5:20 pm - 12:26 pmHRL-SJO
20h 06m1 stop
United Airlines Logo
7:55 am - 9:52 pmSJO-HRL
12h 57m1 stop
$568United Airlines
Find Deal
Sat, Sep 20 - Wed, Sep 24
United Airlines Logo
5:00 am - 7:37 pmHRL-SJO
15h 37m1 stop
United Airlines Logo
7:55 am - 9:52 pmSJO-HRL
12h 57m1 stop
$571United Airlines
Find Deal
Sat, Sep 20 - Wed, Sep 24
American Airlines Logo
6:35 pm - 7:42 pmHRL-SJO
26h 07m2 stops
American Airlines Logo
7:27 am - 6:05 pmSJO-HRL
9h 38m1 stop
$610American Airlines
Find Deal
Sat, Sep 20 - Wed, Sep 24
American Airlines Logo
6:35 pm - 7:42 pmHRL-SJO
26h 07m2 stops
American Airlines Logo
7:27 am - 10:57 pmSJO-HRL
14h 30m1 stop
$631American Airlines
Find Deal
Sat, Sep 20 - Wed, Sep 24
American Airlines Logo
10:11 am - 11:12 amHRL-SJO
26h 01m2 stops
American Airlines Logo
6:00 am - 9:41 amSJO-HRL
26h 41m2 stops
$725American Airlines
Find Deal
Sat, Sep 20 - Wed, Sep 24

United Airlines flights from Harlingen, Texas to Costa Rica

Our best United Airlines deals on Harlingen, Texas to Costa Rica flight tickets
United Airlines
Sep 20
HRL5:20 pmHarlingen Valley Intl
20h 06m
1 stop
SJO12:26 pmSan José Juan Santamaria Intl
Sep 24
SJO7:55 amSan José Juan Santamaria Intl
12h 57m
1 stop
HRL9:52 pmHarlingen Valley Intl
$568
Find similar
United Airlines
Sep 20
HRL5:00 amHarlingen Valley Intl
15h 37m
1 stop
SJO7:37 pmSan José Juan Santamaria Intl
Sep 24
SJO7:55 amSan José Juan Santamaria Intl
12h 57m
1 stop
HRL9:52 pmHarlingen Valley Intl
$571
Find similar

American Airlines flights from Harlingen, Texas to Costa Rica

Our best American Airlines deals on Harlingen, Texas to Costa Rica flight tickets
American Airlines
Sep 20
HRL6:35 pmHarlingen Valley Intl
26h 07m
2 stops
SJO7:42 pmSan José Juan Santamaria Intl
Sep 24
SJO7:27 amSan José Juan Santamaria Intl
9h 38m
1 stop
HRL6:05 pmHarlingen Valley Intl
$610
Find similar
American Airlines
Sep 20
HRL6:35 pmHarlingen Valley Intl
26h 07m
2 stops
SJO7:42 pmSan José Juan Santamaria Intl
Sep 24
SJO7:27 amSan José Juan Santamaria Intl
14h 30m
1 stop
HRL10:57 pmHarlingen Valley Intl
$631
Find similar
American Airlines
Sep 20
HRL10:11 amHarlingen Valley Intl
26h 01m
2 stops
SJO11:12 amSan José Juan Santamaria Intl
Sep 24
SJO6:00 amSan José Juan Santamaria Intl
26h 41m
2 stops
HRL9:41 amHarlingen Valley Intl
$725
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Harlingen, Texas 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 4, 2025.
Use the filters below to find and compare flights from Harlingen, Texas to Costa Rica that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HarlingenSan José

HRL - SJO

HRLSJO

Harlingen Valley Intl

Sat 9/20

5:20 pm-12:26 pm

1 stop20h 06m

San José Juan Santamaria Intl

Wed 9/24

7:55 am-9:52 pm

1 stop12h 57m

$568

HarlingenSan José

HRL - SJO

HRLSJO

Harlingen Valley Intl

Sat 9/20

5:00 am-7:37 pm

1 stop15h 37m

San José Juan Santamaria Intl

Wed 9/24

7:55 am-9:52 pm

1 stop12h 57m

$571

HarlingenSan José

HRL - SJO

HRLSJO

Harlingen Valley Intl

Sat 9/20

6:35 pm-7:42 pm

2 stops26h 07m

San José Juan Santamaria Intl

Wed 9/24

7:27 am-6:05 pm

1 stop9h 38m

$610

HarlingenSan José

HRL - SJO

HRLSJO

Harlingen Valley Intl

Sat 9/20

6:35 pm-7:42 pm

2 stops26h 07m

San José Juan Santamaria Intl

Wed 9/24

7:27 am-10:57 pm

1 stop14h 30m

$631

HarlingenSan José

HRL - SJO

HRLSJO

Harlingen Valley Intl

Sat 9/20

10:11 am-11:12 am

2 stops26h 01m

San José Juan Santamaria Intl

Wed 9/24

6:00 am-9:41 am

2 stops26h 41m

$725

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from Harlingen, Texas 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 day to depart on your flight to Costa Rica?

According to our data, Monday is the cheapest day to fly to Costa Rica from Harlingen, Texas. The lowest ticket price found for a Monday departure recently was $570. 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 Thursday because tickets tend to average around $625. These prices are subject to change though, so be sure to set up a Price Alert for flights to Costa Rica.

Cheap Harlingen, Texas to Costa Rica flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Harlingen, Texas to Costa Rica

Direct flights

None
There are no direct flights from Harlingen, Texas to Costa Rica. There are no popular flight routes from Harlingen, Texas to Costa Rica.
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  • When did momondo last update prices for flights from Harlingen Valley Intl Airport to Costa Rica?

    Prices for flights from Harlingen Valley Intl Airport to Costa Rica refresh daily.

  • How old do you have to be to fly from Harlingen Valley Intl Airport to Costa Rica?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Harlingen Valley Intl Airport to Costa Rica.

  • What documentation or ID do you need to fly to Costa Rica?

    The required travel and health documents for your Costa Rica trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Costa Rica. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Harlingen to Costa Rica?

Finding the right flight to Costa Rica from Harlingen is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Costa Rica quick and easy, saving you time and money.

Can I find flights from Harlingen to Costa Rica with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Harlingen to Costa Rica flights to just show those with flexible booking policies.

How can momondo help me find flights from Harlingen to Costa Rica?

momondo provides multiple filters to help you find the best flight to Costa Rica from Harlingen. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Harlingen to Costa Rica right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Harlingen to Costa Rica flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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