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

Return flights

07 Mar - 10 Mar	Aeromexico
29 Mar - 06 Apr	Air Canada
13 Mar - 17 Mar	Hawaiian Airlines
05 Mar - 17 Mar	American Airlines
06 Mar - 17 Mar	American Airlines
07 Mar - 17 Mar	American Airlines
08 Mar - 17 Mar	American Airlines
07 Mar - 14 Mar	American Airlines
09 Mar - 17 Mar	American Airlines
25 Mar - 01 Apr	American Airlines
25 Mar - 15 Apr	American Airlines
30 Mar - 07 Apr	American Airlines
31 Mar - 07 Apr	American Airlines
06 Mar - 09 Mar	Delta
12 Mar - 18 Mar	United
30 Mar - 01 Apr	Aeromexico
29 Mar - 02 Apr	Air Canada
30 Mar - 05 Apr	Air Canada
14 Mar - 18 Apr	Aeromexico
28 Mar - 03 Apr	Air Canada

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

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 March from $463

Return flights