What’s the cost of a flight from Seattle Lake Union to Lisbon?

Prices vary based on date, airline, and availability. Compare several options if you're flying between Seattle and Lisbon.

Choose a date to explore the best fares now.

If possible, avoid holiday periods: ticket prices tend to rise quickly and availability drops, especially on busy routes. Morning and evening flights are often in high demand too — book early to get a good fare.

Are there multiple airports in Seattle and Lisbon?

If your departure or arrival city has more than one airport, it's worth comparing all of them for timing and pricing.

• Airports in Seattle: 2 airports are active in Seattle - Boeing Field, Lake Union.
• Airports in Lisbon: Lisbon is the only airport currently running.

If you're traveling with a group or bulky luggage, look into parking or transport options. Alternative airports may offer faster transfers or better rates.

Flight filters for the route Seattle Lake Union – Lisbon

Customize your search on Jetcost to focus only on flights that suit your needs. Whether you want a direct connection, specific airline, or shorter layover, filters help you find it faster.

Other popular destinations

Flights to Portugal are often searched alongside: Faro, Funchal, Lisbon, Ponta Delgada, Porto.

The cheapest flights might leave at odd hours or arrive at less central airports — keep that in mind. If you travel often, you can always select your trusted airlines from the available options.