Cheapest one-way flights from Seattle to Cancun in April from $229

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

One-Way flights

20 Apr Delta direct
16 Apr Delta direct

Also check the deals for return flights from Seattle to Cancun in April.

Skyscanner

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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