Cheapest return flights from Washington to San Pedro Sula in September from $365

AirHint found the following cheapest return flights from Washington (IAD) to San Pedro Sula (SAP) in September 2025 (see full year).

Return flights

18 Sep - 30 Sep United
19 Sep - 22 Sep Copa
17 Sep - 15 Oct Avianca
26 Sep - 11 Oct Frontier Airlines
27 Sep - 13 Oct Copa
18 Sep - 13 Oct Avianca
28 Sep - 05 Oct Avianca
26 Sep - 30 Sep Avianca
27 Sep - 26 Oct Avianca

Also check the deals for one-way flights from Washington to San Pedro Sula in September.

Skyscanner

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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