$761 Cheap Flights from Trieste (TRS) to Seattle (SEA)

View $761 flight on Wed, Nov 26, 2025Opens in a new window

Popular airlines from Friuli Venezia Giulia Airport (TRS) to Seattle-Tacoma International Airport (SEA)

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Cheap Flights from Trieste to Seattle (TRS-SEA)

Prices were available within the past 7 days and start at $761 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Friuli Venezia Giulia Airport (TRS) to Seattle - Tacoma Intl. Airport (SEA) cost?
Grab a cheap one-way flight from $761 or cheap return flight from Friuli Venezia Giulia Airport (TRS) to Seattle - Tacoma Intl. Airport (SEA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Friuli Venezia Giulia Airport (TRS) to Seattle - Tacoma Intl. Airport (SEA)?
Traveling in can help you save, as it's the cheapest month for flights between TRS and SEA. You'll typically find the lowest prices during the off-season.
What is the cheapest airline that flies from Friuli Venezia Giulia Airport (TRS) to Seattle - Tacoma Intl. Airport (SEA)?
To find the cheapest airline that'll fly you from TRS to SEA, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Friuli Venezia Giulia Airport (TRS) to Seattle - Tacoma Intl. Airport (SEA)?
Direct flights from Friuli Venezia Giulia Airport (TRS) to Seattle - Tacoma Intl. Airport (SEA) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from TRS to SEA?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Friuli Venezia Giulia Airport (TRS) to Seattle - Tacoma Intl. Airport (SEA)?
To avoid possible delays on the Friuli Venezia Giulia Airport (TRS) to Seattle - Tacoma Intl. Airport (SEA) route, travel before 3 PM. Departures after this time are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Friuli Venezia Giulia Airport (TRS) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Booking your flight from TRS to SEA right before your journey is generally more expensive. But if there's some wiggle room with your departure dates and times, you could land a cheap last-minute fare.
Is it cheaper to book a TRS to SEA flight and hotel package?
Compared with arranging hotels and flights separately, booking a TRS to SEA flight and hotel package with Expedia could result in significant savings. Better still, having it all in one place will take the stress out of travel planning. Simply pick your flights and choose from our wide range of hotels, then personalize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Friuli Venezia Giulia Airport (TRS) to Seattle - Tacoma Intl. Airport (SEA)?
Usually, it's possible to reschedule or cancel your TRS to SEA flight. However, if it's been more than 24 hours since booking, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Friuli Venezia Giulia
Destination airport
Seattle - Tacoma Intl.
Distance
5459 mi

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Trieste to Seattle Flights

The cheapest times to fly from Trieste to Seattle

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Trieste to Seattle are during the month of . You can find some of the cheapest flights from Trieste to Seattle with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Trieste to Seattle

Sunday is one of the best days to book for cheap flights from Trieste to Seattle: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Trieste to Seattle

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Trieste to Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from $761 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Trieste to Seattle flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Trieste to Seattle airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Trieste to Seattle Flights

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