Cheapest one-way flights from Seattle to Lisbon in June from $610

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

One-Way flights

25 Jun Icelandair
22 Jun Condor

Also check the deals for return flights from Seattle to Lisbon 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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