AirHint found the following cheapest return flights from Washington (IAD) to Cancun (CUN) in March 2026 (see full year).

Return flights

01 Mar - 04 Mar	Frontier Airlines
01 Mar - 03 Mar	Frontier Airlines
01 Mar - 08 Mar	Frontier Airlines
08 Mar - 13 Mar	Frontier Airlines
26 Mar - 11 Apr	Air Canada
09 Mar - 13 Mar	Frontier Airlines
11 Mar - 15 Mar	Frontier Airlines
20 Mar - 28 Mar	Frontier Airlines
17 Mar - 22 Mar	Aeromexico
09 Mar - 16 Mar	Frontier Airlines
20 Mar - 27 Mar	Air Canada
30 Mar - 03 Apr	Frontier Airlines
19 Mar - 04 Apr	Aeromexico
31 Mar - 05 Apr	Aeromexico
30 Mar - 03 Apr	United	direct
28 Mar - 04 Apr	Air Canada

Also check the deals for one-way flights from Washington to Cancun 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.

Book a cheap hotel in Cancun

Cheap car rent in Cancun

Cheapest return flights from Washington to Cancun in March from 313€

Return flights