HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seattle

$824+ Cheap flights from Trieste (TRS) to Seattle (SEA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
TRS — SEA
ago. 25 — sep. 11
lun. 8/25
lun. 9/1
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Trieste to Seattle with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Trieste to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Trieste (TRS) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated agosto 20, 2025.

Round-trip from

$824
(lol.travel)
From Trieste Ronchi dei Legionari to Seattle/Tacoma Intl
Search Deals

Find flight deals from Trieste to Seattle

Cheapest flights from Trieste to Seattle
Explore the most affordable flight options available from Trieste to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 20, 2025.

This lol.travel deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/56:30 amTRS - SEA
2 stops21h 06mMultiple Airlines
mar. 9/910:00 amSEA - TRS
2 stops19h 05mMultiple Airlines
Deal found 8/20$824
This Gotogate deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/56:30 amTRS - SEA
1 stop14h 25mLufthansa
mar. 9/92:20 pmSEA - TRS
1 stop14h 45mLufthansa
Deal found 8/20$826

Cheapflights Fare Finder

 
Customize your flight search to find flights from Trieste to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated agosto 20, 2025.
Use the filters below to find and compare flights from Trieste to Seattle that are best for you.

Fly from

Trieste

Fly to

Seattle

Route

Depart

Return

Price

TriesteSeattle

TRS - SEA

TRSSEA

Trieste Ronchi dei Legionari

vie. 9/5

6:30 am-6:36 pm

2 stops21h 06m

Seattle/Tacoma Intl

mar. 9/9

10:00 am-2:05 pm

2 stops19h 05m

$824

TriesteSeattle

TRS - SEA

TRSSEA

Trieste Ronchi dei Legionari

vie. 9/5

6:30 am-11:55 am

1 stop14h 25m

Seattle/Tacoma Intl

mar. 9/9

2:20 pm-2:05 pm

1 stop14h 45m

$826

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/20

Best time to book a flight from Trieste to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Trieste with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Trieste to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Trieste to Seattle?

    A quick flight from Trieste to Seattle can take about 14h 25m. Lufthansa provides one of the quickest options available for as low as $826. There are 5456 mi between Trieste and Seattle.

  • Can I find deals for flights from Trieste to Seattle that include hotel bookings?

    Yes. In addition to deals on Trieste to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Trieste to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Trieste to Seattle.

  • Can I find deals for business class flights from Trieste to Seattle?

    Yes. Cheapflights offers flight deals from Trieste to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Trieste to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Trieste to Seattle (average of $238). Flying from Trieste to Seattle in June is currently the most expensive (average of $388). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Lacey
Ocean Shores
Lynnwood
Leavenworth
Renton
Olympia
Kent
Cle Elum
Puyallup
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline
Federal Way
Shelton

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Trieste to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Vicenza to Seattle flights
Vicenza to Portland flights
Vicenza to Spokane flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.