Cheap Flights from San Antonio to San Juan
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The latest fare from San Antonio to San Juan: $328 round trip, Dec 7 – Dec 13, seen Nov 9. Prices by month are below.
Across 3 months of observations from San Antonio to San Juan, the lowest round-trip economy fare we recorded was $328, in November. The typical economy fare was $401. November was the cheapest month we saw and October the dearest.
The most recent economy price we saw on this route was $328 on Frontier, seen Nov 9.
See every deal from San Antonio, to San Juan, or the return direction San Juan to San Antonio.
Latest economy price we saw: San Antonio to San Juan
The most recent economy round-trip fare we saw on this route.
| From | Price | Per mile | Travel dates | Airline | Seen |
|---|---|---|---|---|---|
| San Antonio (SAT) to San Juan (SJU) | $328 | 7.5¢ | Dec 7 – Dec 13 | Frontier | Nov 9 |
Economy price history: San Antonio to San Juan
The lowest fares we saw each month.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Nov 2026 | $328 | $413 | 9 |
| Oct 2026 | $414 | $414 | 38 |
| Sep 2026 | $375 | $375 | 30 |
Frequently asked questions
How many flight deals from San Antonio to San Juan are on Sparkflights right now?
There are 0 deals from San Antonio to San Juan on the board right now.
What is the lowest price ever seen from San Antonio to San Juan?
The lowest economy fare we've recorded from San Antonio to San Juan is $328, based on 77 price observations over 3 months.
How much does a flight from San Antonio to San Juan cost?
The typical round-trip economy fare we observed from San Antonio to San Juan is $401, against a recorded low of $328. These are observations, not quotes.
When is the cheapest month to fly San Antonio to San Juan?
For economy fares from San Antonio to San Juan, November was the cheapest month we observed and October the dearest, over 3 months of data.
What is the current price from San Antonio to San Juan?
The most recent economy fare we saw from San Antonio to San Juan is $328, on Nov 9.