Cheapest return flights from Des Moines to San Juan in March from $304

Best time to book flights for Des Moines (DSM) to San Juan (SJU) flights at AirHint

AirHint found the following cheapest return flights from Des Moines (DSM) to San Juan (SJU) in March 2025 (see full year).

Return flights

31 Mar - 04 Apr Allegiant Air
08 Mar - 15 Mar Frontier Airlines
09 Mar - 15 Mar Frontier Airlines
10 Mar - 15 Mar Frontier Airlines
19 Mar - 23 Mar Allegiant Air
20 Mar - 23 Mar Allegiant Air
11 Mar - 18 Mar American Airlines
28 Mar - 30 Mar Allegiant Air
21 Mar - 24 Mar Allegiant Air
18 Mar - 21 Mar Allegiant Air
17 Mar - 22 Mar Frontier Airlines

Also check the deals for one-way flights from Des Moines to San Juan in March.

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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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