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Chicago Midway to San Juan — $226 USD roundtrip incl. all taxes & fees

$226 USD roundtrip from Chicago Midway (MDW) to San Juan (SJU) on Frontier Airlines, 1 stop each way.

That's 40% below the typical best price for this route (about $377 USD: the median of the cheapest fare in each of the 5 months we track), a saving of about $151 USD.

Dates found at this price

• Depart Thu Dec 3, 2026, return Wed Dec 9, 2026
• Also departing Tue Dec 8, 2026 (within 5% of this price)

How to book

1. Open the fare on Aviasales (affiliate link) and pick the same dates.
2. Check the final price at checkout before you pay; it is the one that counts.

Price found at Nov 9, 2026 at 8:37 PM ET from Aviasales fare data (last seen by travellers searching on Nov 5); price for 1 adult, economy, and may change or sell out at any time.

Fares shown include all mandatory taxes and fees (U.S. DOT full-fare rule). Prices and availability can change at any time; the price at checkout is the one that counts.

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