Cheapest return flights from Washington (IAD) to Cancun (CUN), October

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
21 Oct 28 Oct Aeromexico
09 Oct 14 Oct Aeromexico
01 Oct 06 Oct Aeromexico
31 Oct 03 Nov Aeromexico
16 Oct 20 Oct Aeromexico
16 Oct 20 Oct United
Direct Flight
09 Oct 14 Oct United
Direct Flight
04 Oct 18 Oct Frontier Airlines
01 Oct 06 Oct United
Direct Flight
04 Oct 18 Oct United
Direct Flight
01 Oct 05 Oct United
Direct Flight
30 Oct 03 Nov Aeromexico
29 Oct 03 Nov Frontier Airlines
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deals for one-way flights from Washington to Cancun in October.

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Updated Jun 24, 2026.

About these fares

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