Deal found on September 25, 2026
Indianapolis to San Juan
$274$36625% off
Round trip
Indianapolis to San Juan is running about $274 round trip on Frontier, well under the roughly $471 this route usually runs. It's showing on a single date window right now, so it's best for travelers who can be flexible this fall. Puerto Rico requires no passport for US citizens, making it one of the easiest tropical escapes from the Midwest.
Travel dates
October into November
e.g. Oct 26 – Nov 4 · 9 nights
Date options
5 at this price
Lowest we've seen
$156
Get deals like this from Indianapolis
Free email alerts when we find a fare worth booking. No spam.