Cheapest return flights from Seattle to Lisbon in June from 889€
AirHint found the following cheapest return flights from Seattle (SEA) to Lisbon (LIS) in June 2025 (see full year).
Return flights
| 30 Jun - 13 Jul | Aer Lingus | ||
| 27 Jun - 04 Jul | Icelandair | ||
| 30 Jun - 14 Jul | Air Canada | ||
| 30 Jun - 06 Jul | Aer Lingus |
Also check the deals for one-way flights from Seattle to Lisbon in June.
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.
