Cheapest return flights from Detroit to San Juan in May from 185€

AirHint found the following cheapest return flights from Detroit (DTW) to San Juan (SJU) in May 2026 (see full year).

Return flights

13 May - 18 May Frontier Airlines
07 May - 10 May Frontier Airlines
01 May - 08 May Frontier Airlines
14 May - 18 May Frontier Airlines
14 May - 19 May Frontier Airlines
04 May - 08 May Frontier Airlines
15 May - 18 May Frontier Airlines
15 May - 19 May Frontier Airlines
27 May - 30 May Frontier Airlines
28 May - 01 Jun Frontier Airlines
24 May - 29 May Frontier Airlines
11 May - 01 Jun Spirit Airlines
17 May - 01 Jun Spirit Airlines
12 May - 01 Jun Spirit Airlines
14 May - 01 Jun Spirit Airlines
13 May - 01 Jun Spirit Airlines
15 May - 01 Jun Spirit Airlines
20 May - 01 Jun Spirit Airlines
21 May - 01 Jun Spirit Airlines
23 May - 01 Jun Spirit Airlines

Also check the deals for one-way flights from Detroit to San Juan in May.

Powered by

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in San Juan

Cheap car rent in San Juan

Feel free to contact us with any feedback or request another flight research.