Route Price Intelligence
Cheap Flights From Chicago to San Juan
Live pricing benchmarks, monthly patterns, and historical lows for this route.
San Juan usually runs around $386 from Chicago, but today's fare drops to $173, a 55% discount on one of the easiest tropical getaways for US travelers since no passport is required. Winter is peak season for Puerto Rico's beaches and Old San Juan, and this fare sits well below what we typically see heading into that stretch.
✓ 7 date combinations found at this price
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Best Time to Fly from Chicago to San Juan
The cheapest time to fly from Chicago to San Juan is typically August, when fares average around $266. The most expensive month tends to be March at around $477. For the best deals, consider flying in August, October, September.
Typical Price by Travel Month
Median round-trip fare for each month, with the typical price range, from our ongoing tracking of this route