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$171: Detroit to San Juan, Puerto Rico


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Flights to San Juan, Puerto Rico were recently featured on Thrifty Traveler Premium last week!

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Cheap sale on American Airlines round-trip flights from Detroit to San Juan, Puerto Rico. Available October – May 2022. These are Main Cabin fares which include free carry-on, advance seat assignment, and fee-free change/cancellation for a voucher

. Only one connection required. Book quick, this fare won’t last!

Vaccinated travelers are welcome with no arrival testing required. For non-vaccinated travelers, a negative COVID-19 test result within 72 hours of travel is required. No testing is required on your return flight home. Check here for updates


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Fare Availability:

Detroit to San Juan, Puerto Rico (DTW – SJU) – $171 roundtrip

  • Departures: October 1-2, 5-6, 9, 12-13, 19-20, 26-27, 29-30, November 2-6, 9-11, December 8, January 16-22, 24-29, February 1-4, 8-9, March 1-2, April 13, 20, 27, May 4
  • Returns: October 1-2, 8-9, 12-16, 18-23, 26-27, 29-30, November 2-6, 9-13, 16-18, December 1-4, 6-11, 14-15, January 12-15, 17-29, 31, February 1-5, 8-11, 15-18, 23-24, March 2, 8-10, 16, April 20, 27, May 4, 11
    • Allow 7 days between departure and return, may take trial and error.

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