Cheapest return flights from Minneapolis (MSP) to San Juan (SJU), September

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
28 Sep 01 Oct Frontier Airlines
28 Sep 02 Oct Frontier Airlines
30 Sep 05 Oct Frontier Airlines
15 Sep 18 Sep Frontier Airlines
15 Sep 19 Sep Frontier Airlines
29 Sep 02 Oct Frontier Airlines
17 Sep 21 Sep Sun Country Airlines
26 Sep 28 Sep Sun Country Airlines
17 Sep 20 Sep Sun Country Airlines
29 Sep 05 Oct Southwest Airlines
06 Sep 10 Sep Sun Country Airlines
05 Sep 14 Sep Frontier Airlines
03 Sep 06 Sep Frontier Airlines
24 Sep 27 Sep Frontier Airlines
03 Sep 07 Sep Frontier Airlines
25 Sep 01 Oct United
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deals for one-way flights from Minneapolis to San Juan in September.

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Updated Aug 25, 2026.

About these fares

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