Cheapest return flights from Boston to Cartagena in April from $376

AirHint found the following cheapest return flights from Boston (BOS) to Cartagena (CTG) in April 2026 (see full year).

Return flights

13 Apr - 19 Apr Copa
16 Apr - 25 Apr Avianca

Also check the deals for one-way flights from Boston to Cartagena in April.

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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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