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.

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.

Best Time to Visit Lisbon from Seattle — Fares from $321

Q: When is the best time to fly to Lisbon?

Lisbon currently has a GO Score of 46/100 — our verdict: wait for a better window. Right now isn't a great time — prices, timing, or conditions are working against you. We'll flag a better window. Our algorithm tracks flights, weather, currency, and events daily.