Cheapest return flights from Detroit (DTW) to San Juan (SJU), October

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
14 Oct 21 Oct Frontier Airlines
09 Oct 14 Oct Frontier Airlines
03 Oct 06 Oct Frontier Airlines
17 Oct 24 Oct Frontier Airlines
18 Oct 24 Oct Frontier Airlines
31 Oct 11 Nov Frontier Airlines
16 Oct 25 Oct Frontier Airlines
24 Oct 31 Oct Frontier Airlines
31 Oct 11 Nov Delta
Direct Flight
17 Oct 24 Oct Delta
Direct Flight
24 Oct 31 Oct Delta
Direct Flight
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deals for one-way flights from Detroit to San Juan in October.

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Updated Jul 10, 2026.

About these fares

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