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$701+ Cheap flights from Trieste (TRS) to Seattle (SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
TRS — SEA
Jun 21 — Jun 281
Sat 6/21
Sat 6/28
1 adult, Economy
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Find flight deals from Trieste to Seattle

One-way flights from Trieste to Seattle
Search for one-way flight options from Trieste to Seattle. Find affordable one-way fares based on user searches. Data last updated June 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 6/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/46:55 amTRS - SEA
3 stops36h 35mMultiple Airlines
Deal found 6/16$701
This Gotogate deal was found by Cheapflights users on 6/16. 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.
Fri 7/46:35 amTRS - SEA
2 stops37h 00mTurkish Airlines
Deal found 6/16$738
This Lufthansa deal was found by Cheapflights users on 6/14. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/126:30 amTRS - SEA
1 stop14h 25mLufthansa
Deal found 6/14$1,803

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 June 16, 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

Fri 7/4

6:55 am-10:30 am

3 stops36h 35m

$701

TriesteSeattle

TRS - SEA

TRSSEA

Trieste Ronchi dei Legionari

Fri 7/4

6:35 am-10:35 am

2 stops37h 00m

$738

TriesteSeattle

TRS - SEA

TRSSEA

Trieste Ronchi dei Legionari

Sat 7/12

6:30 am-11:55 am

1 stop14h 25m

$1,803

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/16

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.

Cheapflights Insights

Everything you need to know about your flight from Trieste to Seattle

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated June 16, 2025.
Turkish Airlines
7.3
Good
3,852 reviews

Comfort

7.3

Boarding

7.3

Entertainment

7.4

Food

7.3

Crew

7.7

Overall

7.3

Reviews

1 / 20
4.0
Okay

Leslie,Feb 2025

IST - LAX

Food and staff were nice but difficulty with WIFI, console sound not working. X-cover insurance a scam. Denying purchase of insurance even with proof. Ridiculous.
Turkish Airlines
7.3
Good
3,852 reviews
Turkish Airlines
7.3
Good
3,852 reviews

Comfort

7.3

Boarding

7.3

Entertainment

7.4

Food

7.3

Crew

7.7

Overall

7.3

Reviews

1 / 20
4.0
Okay

Leslie,Feb 2025

IST - LAX

Food and staff were nice but difficulty with WIFI, console sound not working. X-cover insurance a scam. Denying purchase of insurance even with proof. Ridiculous.
Lufthansa
6.8
Okay
7,152 reviews
Turkish Airlines
7.3
Good
3,852 reviews

Comfort

7.3

Boarding

7.3

Entertainment

7.4

Food

7.3

Crew

7.7

Overall

7.3

Reviews

1 / 20
4.0
Okay

Leslie,Feb 2025

IST - LAX

Food and staff were nice but difficulty with WIFI, console sound not working. X-cover insurance a scam. Denying purchase of insurance even with proof. Ridiculous.

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.

  • 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 $390). 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 Trieste?

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

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