Cheapest return MEM–SJU flights, May

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

Return flights

14 May - 20 May Allegiant Air
11 May - 14 May Allegiant Air
23 May - 12 Jun Spirit Airlines
23 May - 05 Jun Spirit Airlines
23 May - 31 May Spirit Airlines
01 May - 10 May Allegiant Air
15 May - 05 Jun Spirit Airlines
18 May - 05 Jun Spirit Airlines
13 May - 16 May United
06 May - 08 May United
19 May - 05 Jun Spirit Airlines
23 May - 08 Jun Spirit Airlines
14 May - 17 May Spirit Airlines
15 May - 17 May Spirit Airlines
18 May - 08 Jun Spirit Airlines
04 May - 11 May Allegiant Air
19 May - 08 Jun Spirit Airlines
01 May - 14 May Spirit Airlines
23 May - 09 Jun Spirit Airlines
19 May - 09 Jun Spirit Airlines

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

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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.

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