Route Price Intelligence
Cheap Flights From Chicago to San Juan
Live pricing benchmarks, monthly patterns, and historical lows for this route.
San Juan is $205 round trip from Chicago Midway, down from the usual $370 to $475. There are 3 date windows open across November, December, and January on Frontier. Old San Juan's beaches and historic fort make it a reliably popular Caribbean pick, and as a US territory it needs no passport for American travelers.
✓ 3 date combinations found at this price
Search Google FlightsMonthly Price Guide
Best Time to Fly from Chicago to San Juan
The cheapest time to fly from Chicago to San Juan is typically January, when fares average around $242. The most expensive month tends to be March at around $384. For the best deals, consider flying in January, February, August.
Typical Price by Travel Month
Median round-trip fare for each month, with the typical price range, from our ongoing tracking of this route