How much do flights from Seattle to Lisbon cost?

Round-trip fares from Seattle to Lisbon have recently been found around $321. That's 55% below the historical average. Prices are checked multiple times daily.

When is the best time to fly to Lisbon?

Right now is notable because: Whale watching season. The current travel window is Now – Oct 31, and Lisbon has a GO Score of 56/100.

Is Lisbon safe to visit?

Lisbon is a popular travel destination, but safety depends on the specific area and current local conditions. Always check your government's official travel advisories before booking, and follow local guidance once on the ground. Our GO Score tracks flights, weather, currency, and events — not safety directly.

How many hours is the flight from Seattle to Lisbon?

Most flights from Seattle to Lisbon take 6 to 10 hours, depending on the route, layovers, and whether you fly direct. Check individual airline listings for the exact flight duration from your chosen airport.

What's the cheapest month to visit Lisbon?

Flight prices to Lisbon fluctuate throughout the year. Recent fares from Seattle have been found from around $321, 55% below the historical average. Our GO Score updates daily and flags when prices drop below average — bookmark this page to catch the cheapest window.