Cheapest return flights from Washington to Santo Domingo in March from $350

AirHint found the following cheapest return flights from Washington (IAD) to Santo Domingo (SDQ) in March 2026 (see full year).

Return flights

17 Mar - 31 Mar Avianca
31 Mar - 09 Apr Avianca
02 Mar - 05 Mar Frontier Airlines
17 Mar - 24 Mar Frontier Airlines
18 Mar - 25 Mar Copa
19 Mar - 23 Mar Frontier Airlines
08 Mar - 16 Mar Southern Airways Express
13 Mar - 16 Mar Avianca
15 Mar - 22 Mar Frontier Airlines
05 Mar - 10 Mar Frontier Airlines
07 Mar - 12 Mar Frontier Airlines
29 Mar - 05 Apr Allegiant Air

Also check the deals for one-way flights from Washington to Santo Domingo in March.

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