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

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

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.

Flying between Seattle and Trieste? Consider these airports

Depending on your destination and where you’re starting from, it might make sense to look beyond the main hubs.

• Airports in Seattle: Seattle has 2 airports - Boeing Field, Lake Union.
• Airports in Trieste: The only active option is Trieste - Dei Legionari.

Check if your destination airport has a rail link — it can make getting around easier. Jetcost lets you view options from all Seattle airports in a single search.

Customize your flight from Seattle to Trieste

Jetcost allows you to filter by travel dates, duration, layovers, carriers, and booking providers. You’ll find direct and connecting flights, one-way or round-trip, from Ryanair, Easyjet, British Airways, Expedia, eDreams, and more.

Other popular destinations

Thinking about Italy? You might also consider: Catania, Milan, Naples, Palermo, Rome.

You can sort results by price, duration, or departure time to find the best option for you. When available, results always include both low-cost and traditional airlines.