Cheapest return IAD–CTG flights, August

AirHint found the following cheapest return flights from Washington (IAD) to Cartagena (CTG) in August 2026 (see full year).

Return flights

27 Aug - 30 Aug Copa
26 Aug - 30 Aug Copa
21 Aug - 28 Aug Avianca
27 Aug - 03 Sep Copa
26 Aug - 02 Sep Copa
26 Aug - 03 Sep Copa
15 Aug - 21 Aug Avianca
06 Aug - 10 Aug Avianca
26 Aug - 31 Aug Avianca
20 Aug - 24 Aug Avianca
26 Aug - 01 Sep Avianca
19 Aug - 24 Aug Avianca
14 Aug - 20 Aug Avianca

Also check the deals for one-way flights from Washington to Cartagena in August.

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