Cheap flights from San Antonio to San Juan from $369 SAT → SJU
San Antonio International Airport (SAT) → Luis Munoz Marin International Airport (SJU)
The cheapest return found recently is $369 with American Airlines, 20 Mar 2027 – 4 Apr 2027, found 2 days ago.
- Cheapest return found recently
- $369, 20 Mar 2027 to 4 Apr 2027
- Usual return price
- $476 to $633
- Cheapest month to fly
- March 2027, return fares from $369 found in the last 7 days
Return
The cheapest return fare on each of 3 departure dates is usually $476 to $633.
Cheapest return found recently
$369
20 Mar 2027 – 4 Apr 2027 · American Airlines
San Antonio International Airport (SAT) → Luis Munoz Marin International Airport (SJU)
Leaves 8:26 p.m. · Return leaves 7:12 a.m. · 25 h 18 min of travel, both ways together
out 1 stop, back 1 stop
found 2 days ago
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$369 20 Mar 2027 – 4 Apr 2027found 2 days agoSee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 25 days, 2 Oct to 11 Nov, the cheapest return we saw each day was $369 to $1,121.
At $369, the cheapest return found recently is at the low end of that range.
25 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 3 departure dates from 24 Dec to 20 Mar 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 15-night return fares leaving within 3 days of 20 Mar 2027 to compare.
Every date we hold
3 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 24 Dec – 30 Dec | $683 | Breeze Airways | San Antonio International Airport (SAT) → Luis Munoz Marin International Airport (SJU) | out 2 stops, back 1 stop | found 7 days ago | See prices for these dates |
| 25 Dec – 29 Dec | $582 | Frontier Airlines | San Antonio International Airport (SAT) → Luis Munoz Marin International Airport (SJU) | out 1 stop, back 1 stop | found 7 days ago | See prices for these dates |
| 20 Mar 2027 – 4 Apr 2027 | $369 | American Airlines | San Antonio International Airport (SAT) → Luis Munoz Marin International Airport (SJU) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
Which month looks cheapest?
March 2027 is the cheapest month — from $369.
Airlines on the cheapest dates: Breeze Airways, Frontier Airlines, American Airlines.
Premium cabin fares from San Antonio to San Juan
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 20 Mar 2027 – 4 Apr 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for San Antonio to San Juan?
Return
Not enough history yet: in 25 days of return prices, 2 Oct to 11 Nov, fewer than 3 booking ranges had prices on 7 days or more.
Live price for these dates
The cheapest return found recently is for 20 Mar 2027 – 4 Apr 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from San Antonio to San Juan?
The cheapest return found recently is $369 with American Airlines, 20 Mar 2027 to 4 Apr 2027, found 2 days ago. The cheapest return fare on each of 3 departure dates is usually $476 to $633.
What is the cheapest month to fly from San Antonio to San Juan?
March 2027 is the cheapest month for a return, from $369, 20 Mar 2027 to 4 Apr 2027, found 2 days ago.
Which airlines have the cheapest flights from San Antonio to San Juan?
Between 24 Dec and 20 Mar 2027, Breeze Airways has the cheapest return on 1 of the 3 departure dates we hold, Frontier Airlines on 1 and American Airlines on 1.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work