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$856+ 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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
TRS — SEA
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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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 July 3, 2025.

Round-trip from

$856
(Lufthansa)
From Trieste Ronchi dei Legionari to Seattle/Tacoma Intl
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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 July 3, 2025.

This Lufthansa deal was found by Cheapflights users on 7/2. 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.
Tue 10/76:30 amTRS - SEA
1 stop14h 25mLufthansa
Thu 10/162:20 pmSEA - TRS
1 stop14h 45mLufthansa
Deal found 7/2$856

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 July 3, 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

Tue 10/7

6:30 am-11:55 am

1 stop14h 25m

Seattle/Tacoma Intl

Thu 10/16

2:20 pm-2:05 pm

1 stop14h 45m

$856

TriesteSeattle

TRS - SEA

TRSSEA

Trieste Ronchi dei Legionari

Fri 7/25

6:35 am-10:35 am

2 stops37h 00m

$989

TriesteSeattle

TRS - SEA

TRSSEA

Trieste Ronchi dei Legionari

Sat 7/26

3:15 pm-5:15 pm

2 stops35h 00m

$1,494

TriesteSeattle

TRS - SEA

TRSSEA

Trieste Ronchi dei Legionari

Tue 7/29

6:35 am-8:25 pm

2 stops22h 50m

$1,744

TriesteSeattle

TRS - SEA

TRSSEA

Trieste Ronchi dei Legionari

Sat 7/26

6:30 am-11:55 am

1 stop14h 25m

$1,833

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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.

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 July 3, 2025.
See what other customers who have flown with Turkish Airlines, Lufthansa, and ITA Airways from Trieste to Seattle have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Turkish Airlines
7.3
Good
3,895 reviews

Boarding

7.3

Entertainment

7.4

Crew

7.7

Food

7.4

Overall

7.3

Comfort

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
3,895 reviews
Turkish Airlines
7.3
Good
3,895 reviews

Boarding

7.3

Entertainment

7.4

Crew

7.7

Food

7.4

Overall

7.3

Comfort

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
7,207 reviews
Turkish Airlines
7.3
Good
3,895 reviews

Boarding

7.3

Entertainment

7.4

Crew

7.7

Food

7.4

Overall

7.3

Comfort

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.
ITA Airways
6.7
Okay
1,000 reviews
Turkish Airlines
7.3
Good
3,895 reviews

Boarding

7.3

Entertainment

7.4

Crew

7.7

Food

7.4

Overall

7.3

Comfort

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.

  • What are the cheapest airlines to fly from Trieste to Seattle one-way?

    One-way options have recently been found by users for as low as $989 on Turkish Airlines. Other airlines that offer cheap prices include ITA Airways from $1,744 and Lufthansa from $1,833 one-way.

  • 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 July 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
Lynnwood
Renton
Olympia
Shoreline
Puyallup
Cle Elum
Centralia
Kent
Federal Way
Chehalis
Kirkland
Aberdeen
Shelton

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