Cheapest one-way flights from Seattle to Cancun in June from $149

Best time to book flights for Seattle (SEA) to Cancun (CUN) flights at AirHint

AirHint found the following cheapest one-way flights from Seattle (SEA) to Cancun (CUN) in June 2025 (see full year).

One-Way flights

14 Jun Frontier Airlines
20 Jun Spirit Airlines
23 Jun Spirit Airlines
17 Jun Spirit Airlines
24 Jun Spirit Airlines
15 Jun Spirit Airlines
14 Jun Aeromexico direct
15 Jun Aeromexico direct
12 Jun Aeromexico direct
20 Jun Aeromexico direct

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

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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