Find cheap flights from San Luis Potosí to Harlingen

Yes, you’ll need a passport to travel to Harlingen from San Luis Potosí.

We unfortunately don’t have that data for this specific route.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San Luis Potosí to Harlingen.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Harlingen from San Luis Potosí is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Harlingen with an airline and back to San Luis Potosí with another airline. Booking your flights between San Luis Potosí and HRL can sometimes prove cheaper using this method.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Harlingen from San Luis Potosí up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.