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Harlingen

$457+ Cheap flights from San Luis Potosí, Mexico (SLP) to Harlingen, TX (HRL)

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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
SLP — HRL
Apr 27 — May 41
Sun 4/27
Sun 5/4
1 adult, Economy
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Cheap flight deals from San Luis Potosí to Harlingen

Discover tips and strategies to find the most affordable flight options for your journey from San Luis Potosí (SLP) to Harlingen (HRL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
2 stars

Round-trip from

$457
(American Airlines)
Provider with most accurate pricing for San Luis Potosi-Harlingen Valley Intl flight deals.
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Provider most trusted by Cheapflights users for San Luis Potosi-Harlingen Valley Intl flights.
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From San Luis Potosi to Harlingen Valley Intl
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Find flight deals from San Luis Potosí to Harlingen

Cheapest flights from San Luis Potosí to Harlingen
Explore the most affordable flight options available from San Luis Potosí to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

This American Airlines deal was found by Cheapflights users on 4/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1412:32 pmSLP - HRL
1 stop5h 59mAmerican Airlines
Fri 5/1610:15 amHRL - SLP
1 stop50h 27mAmerican Airlines
Deal found 4/22$457

Cheapflights Fare Finder

Customize your flight search to find flights from San Luis Potosí to Harlingen 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 April 22, 2025.
Use the filters below to find and compare flights from San Luis Potosí to Harlingen that are best for you.

Fly from

San Luis Potosí

Fly to

Harlingen

Route

Depart

Return

Price

San Luis PotosíHarlingen

SLP - HRL

SLPHRL

San Luis Potosi

Wed 5/14

12:32 pm-7:31 pm

1 stop5h 59m

Harlingen Valley Intl

Fri 5/16

10:15 am-11:42 am

1 stop50h 27m

$457

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

  • Most accurate provider: When it comes to deals on San Luis Potosí-Harlingen, Texas flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Luis Potosí-Harlingen, Texas flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Luis Potosí-Harlingen, Texas flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Luis Potosí-Harlingen, Texas flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Luis Potosí-Harlingen, Texas flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Luis Potosí to Harlingen

Have a flexible travel schedule? Discover the best time to fly to Harlingen from San Luis Potosí 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 San Luis Potosí to Harlingen

Rainfall in Harlingen by month

Plan your trip to Harlingen by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Harlingen, Texas ranges from 1.1 - 5.2 inches per month. September is typically the wettest month, when rainfall can reach 5.2 in. January is typically the driest time to visit Harlingen, Texas when rainfall is around 1.1 in.

Temperature in Harlingen by month

Plan your trip to Harlingen by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Harlingen, Texas, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 60.8 F).

Reviews of airlines servicing Harlingen

Get insights into the airlines that provide service to Harlingen. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Harlingen. Reviews last updated April 22, 2025.
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Entertainment

6.9

Overall

7.2

Crew

8.0

Food

6.5

Boarding

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2025

PIT - DFW

Due to gate changes,we nearly missed our flight. The gate agent reassigned our seats and would NOT give us our assigned seats,but she did honor that same request to the man who arrived after us. Her rudeness and difficulty was not appropriate.
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Entertainment

6.9

Overall

7.2

Crew

8.0

Food

6.5

Boarding

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2025

PIT - DFW

Due to gate changes,we nearly missed our flight. The gate agent reassigned our seats and would NOT give us our assigned seats,but she did honor that same request to the man who arrived after us. Her rudeness and difficulty was not appropriate.

Related info for your journey

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

  • Can I find deals for flights from San Luis Potosí to Harlingen that include hotel bookings?

    Yes. In addition to deals on San Luis Potosí to Harlingen flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Luis Potosí to Harlingen?

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

  • Can I find deals for business class flights from San Luis Potosí to Harlingen?

    Yes. Cheapflights offers flight deals from San Luis Potosí to Harlingen 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 San Luis Potosí to Harlingen, Texas?

    Currently, April is the cheapest month in which you can book a flight from San Luis Potosí to Harlingen, Texas (average of $267). Flying from San Luis Potosí to Harlingen, Texas in July is currently the most expensive (average of $414). 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.

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