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Cheapest one-way flights from Des Moines (DSM) to San Juan (SJU), December

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Dates, airline, and price
Dates	Airline	Price
30 Dec	Delta
16 Dec	Allegiant Air
29 Dec	Delta
28 Dec	Delta
19 Dec	Allegiant Air
18 Dec	Allegiant Air
27 Dec	Frontier Airlines
26 Dec	Allegiant Air

deals for return flights from Des Moines to San Juan in December.

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Updated Jul 22, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest one-way flights from Des Moines (DSM) to San Juan (SJU), December

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