What’s the cost of a flight from Seattle to Porto?

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

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.

Which airports are most convenient between Seattle and Porto?

Whether it’s cost or connection time, the right airport combination can make a difference.

• Airports in Seattle: There are 2 airports in Seattle - Boeing Field, Lake Union.
• Airports in Porto: Porto is the only functioning airport for now.

In some cases, flying into a secondary airport can also reduce transfer costs. Connections from multiple airports give you more flight options and airlines.

Compare flights from Seattle to Porto with advanced filters

Find your ideal flight using Jetcost. Select whether you want nonstop or connecting flights, round-trip or one-way, and filter by airline, price, or booking site.

Other popular destinations

Looking for alternatives in Portugal? Travelers also liked: Faro, Funchal, Lisbon, Ponta Delgada, Porto.

If you have a preferred time to leave or arrive, filters can help you show only the matching flights. You can also filter by your favorite airline and see only those deals.