San Juan to San Antonio flights

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Fare seen

€221Seen on 21 Sep 2026

Last checked

12 Oct 2026

Observed fares. Prices may change.

Your next trip, last seen at €130

Lowest observed

9 Nov 2026

One way

Cheapest observed day · Last checked: 21 Sep 2026

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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.

Prices are for observed departure and return date pairs. No data does not mean no flights.

Airlines seen: American Airlines, Frontier Airlines, Southwest Airlines, United Airlines
Typical journey time: 8h 15m

Short answer

We have seen American Airlines fares from San Juan to San Antonio. These are prices our searches returned on the dates shown, not quotes; run a live search for today's fare. Fare seen: €221 on 21 Sep 2026.

About this route

Explore the fares we observed from San Juan to San Antonio. Prices move often, so pick your dates to see the latest options.

Route distance: 3,495 km
Typical journey time: 8h 15m
Airlines seen: American Airlines, Frontier Airlines, Southwest Airlines, United Airlines
Seen on fares with a connection: Southwest Airlines
Alternative airports: SIG

Route-level information; individual journeys vary.
We have not observed non-stop service on this route; the fares shown include at least one stop.

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Observed, not guaranteed

Every price is a fare we actually saw, and it may change at any time.

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How our prices work

Airport to city: straight-line distance

Fernando Luis Ribas Dominicci Airport (SIG) → San Juan, city gazetteer reference point (18.4663, -66.1057): ≈ 1 km.
Luis Munoz Marin International Airport (SJU) → San Juan, city gazetteer reference point (18.4663, -66.1057): ≈ 11 km.
San Antonio International Airport (SAT) → San Antonio, city gazetteer reference point (29.4241, -98.4936): ≈ 12 km.

Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.