AirHint found the following cheapest return flights from Raleigh-durham (RDU) to Mexico City (MEX) in December 2025 (see full year).

Return flights

12 Dec - 10 Jan	Frontier Airlines
01 Dec - 05 Dec	Breeze Airways
14 Dec - 21 Dec	Frontier Airlines
13 Dec - 20 Dec	Frontier Airlines
26 Dec - 30 Dec	Frontier Airlines
01 Dec - 05 Dec	Delta	direct
15 Dec - 02 Jan	Frontier Airlines
18 Dec - 06 Jan	Frontier Airlines
14 Dec - 21 Dec	Delta	direct
26 Dec - 30 Dec	Delta	direct
15 Dec - 02 Jan	Delta	direct
18 Dec - 06 Jan	Delta	direct

Also check the deals for one-way flights from Raleigh-durham to Mexico City in December.

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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Cheapest return flights from Raleigh-durham to Mexico City in December from 363€

Return flights