AirHint found the following cheapest return flights from Washington (IAD) to Mexico City (MEX) in February 2026 (see full year).

Return flights

01 Feb - 08 Feb	Frontier Airlines
07 Feb - 12 Feb	Frontier Airlines
19 Feb - 22 Feb	Frontier Airlines
26 Feb - 01 Mar	Frontier Airlines
12 Feb - 15 Feb	Frontier Airlines
28 Feb - 08 Mar	Frontier Airlines
12 Feb - 16 Feb	Frontier Airlines
02 Feb - 09 Feb	Frontier Airlines
20 Feb - 23 Feb	Frontier Airlines
19 Feb - 22 Feb	Delta	direct
19 Feb - 24 Feb	Delta	direct
07 Feb - 12 Feb	Delta	direct
25 Feb - 02 Mar	United	direct
28 Feb - 08 Mar	Delta	direct
26 Feb - 01 Mar	Delta	direct

Also check the deals for one-way flights from Washington to Mexico City in February.

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 Washington to Mexico City in February from 322€

Return flights