Cheapest one-way flights from Washington to Cancun in December from 117€

AirHint found the following cheapest one-way flights from Washington (IAD) to Cancun (CUN) in December 2025 (see full year).

One-Way flights

12 Dec Frontier Airlines
05 Dec Frontier Airlines
03 Dec Frontier Airlines
31 Dec Frontier Airlines
07 Dec Frontier Airlines
13 Dec Frontier Airlines
04 Dec Frontier Airlines
30 Dec Frontier Airlines
28 Dec Frontier Airlines
16 Dec Frontier Airlines

Also check the deals for return flights from Washington to Cancun in December.

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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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