Cheapest return flights from Seattle to Cancun in April from $392

AirHint found the following cheapest return flights from Seattle (SEA) to Cancun (CUN) in April 2026 (see full year).

Return flights

11 Apr - 18 Apr Frontier Airlines
19 Apr - 25 Apr Volaris
10 Apr - 17 Apr Frontier Airlines
29 Apr - 08 May jetBlue
30 Apr - 05 May jetBlue
10 Apr - 19 Apr Frontier Airlines
16 Apr - 19 Apr Volaris
09 Apr - 13 Apr Frontier Airlines
30 Apr - 03 May jetBlue
30 Apr - 05 May Aeromexico direct
29 Apr - 08 May Aeromexico direct
08 Apr - 13 Apr Volaris
22 Apr - 27 Apr Southwest Airlines
15 Apr - 20 Apr Southwest Airlines
19 Apr - 25 Apr Delta direct
30 Apr - 03 May Aeromexico direct

Also check the deals for one-way flights from Seattle to Cancun in April.

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