SLP - HRL

$555 Find Cheap Flights from San Luis Potosí to Harlingen - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$555
Typical prices: $552-$760
United Airlines
Tue 1/30Sat 2/3
SLP - HRL • 1 stop
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Flight Deals

Cheap Flights from San Luis Potosí to Harlingen (SLP-HRL)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San Luis Potosí to Harlingen

Sat, Jan 30 - Wed, Feb 3
United Airlines Logo
6:00 am - 1:24 pmSLP  San Luis Potosi-HRL Harlingen Valley Intl
7h 24m1 stop Houston George Bush Intcntl
United Airlines Logo
7:18 am - 11:49 amHRL  Harlingen Valley Intl-SLP San Luis Potosi
4h 31m1 stop Houston George Bush Intcntl
$555United Airlines
Sat, Jan 30 - Wed, Feb 3
United Airlines Logo
6:00 am - 9:44 pmSLP  San Luis Potosi-HRL Harlingen Valley Intl
15h 44m1 stop Houston George Bush Intcntl
United Airlines Logo
1:59 pm - 11:49 amHRL  Harlingen Valley Intl-SLP San Luis Potosi
21h 50m1 stop Houston George Bush Intcntl
$568United Airlines
Sat, Jan 30 - Wed, Feb 3
United Airlines Logo
6:00 am - 9:44 pmSLP  San Luis Potosi-HRL Harlingen Valley Intl
15h 44m1 stop Houston George Bush Intcntl
United Airlines Logo
1:59 pm - 11:49 amHRL  Harlingen Valley Intl-SLP San Luis Potosi
21h 50m1 stop Houston George Bush Intcntl
$574United Airlines
Sat, Jan 30 - Wed, Feb 3
United Airlines Logo
6:00 am - 9:44 pmSLP  San Luis Potosi-HRL Harlingen Valley Intl
15h 44m1 stop Houston George Bush Intcntl
United Airlines Logo
1:59 pm - 11:49 amHRL  Harlingen Valley Intl-SLP San Luis Potosi
21h 50m1 stop Houston George Bush Intcntl
$575United Airlines
Sat, Nov 7 - Sat, Nov 14
American Airlines Logo
1:16 pm - 11:31 pmSLP  San Luis Potosi-HRL Harlingen Valley Intl
10h 15m1 stop Dallas/Fort Worth
American Airlines Logo
6:41 pm - 12:16 pmHRL  Harlingen Valley Intl-SLP San Luis Potosi
17h 35m1 stop Dallas/Fort Worth
$630American Airlines
Fri, Nov 6 - Fri, Nov 13
American Airlines Logo
1:16 pm - 10:14 amSLP  San Luis Potosi-HRL Harlingen Valley Intl
20h 58m1 stop Dallas/Fort Worth
American Airlines Logo
5:40 am - 12:16 pmHRL  Harlingen Valley Intl-SLP San Luis Potosi
6h 36m1 stop Dallas/Fort Worth
$690American Airlines
Booking Insights

Price, demand and travel trends for San Luis Potosí to Harlingen flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from San Luis Potosí to Harlingen?

Round-trip flights from San Luis Potosí to Harlingen typically range from $552 to $760. The lowest price found in the past 5 days was $555, on United Airlines.

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Key details for San Luis Potosí to Harlingen flights

Cheapest flight

$555
Round-trip flight from San Luis Potosí to Harlingen

When to book flights from San Luis Potosí to Harlingen

Are your dates flexible? Find out the best times to travel from San Luis Potosí to Harlingen based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your San Luis Potosí to Harlingen flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • Do I need a passport to fly from San Luis Potosí to Harlingen?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from San Luis Potosí to Harlingen changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route varied from about $555 to $690. That means the highest observed fare was about 24% higher than the lowest one.

  • What car rental options are available at Harlingen Valley Intl Airport (HRL)?

    Harlingen Valley Intl Airport (HRL) hosts 5 major car rental companies, with daily rates starting from around $30 for economy cars. Top options include:

    • Dollar
    • Budget
    • Hertz
    • Enterprise Rent-A-Car
    • Avis

  • Which airports can I use when flying from San Luis Potosí to Harlingen?

    Flights from San Luis Potosí to Harlingen usually depart from San Luis Potosi (SLP) and arrive at Harlingen Valley Intl (HRL).

  • Which airports do connecting flights from San Luis Potosí to Harlingen pass through?

    Most connecting flights from San Luis Potosí to Harlingen pass through Houston George Bush Intcntl (IAH), which handles 100% of one-stop traffic on this route.

  • Can I save money by using flexible dates for flights from San Luis Potosí to Harlingen?

    Yes. Flexible dates can save you up to 28% on flights from San Luis Potosí to Harlingen. Thursday is the cheapest departure day at $552 round-trip on average, while Monday is the most expensive at $760, a difference of $208.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What is the time difference between San Luis Potosí and Harlingen?

    Harlingen is 1 hour ahead of San Luis Potosí (Central Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking San Luis Potosí to Harlingen flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Thursday departure and avoid flying on Monday. On this route, Thursday flights average $552, about $208 less than Monday fares (27% savings) based on the last 12 months.

More options for your flight from San Luis Potosí to Harlingen

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