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$800+ 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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
TRS — SEA
Apr 6 — Apr 131
Sun 4/6
Sun 4/13
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 April 1, 2025.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$800
(Condor)
Provider with most accurate pricing for Trieste Ronchi dei Legionari-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Trieste Ronchi dei Legionari-Seattle/Tacoma Intl flights.
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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 April 1, 2025.

This Condor deal was found by Cheapflights users on 3/31. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/156:30 amTRS - SEA
2 stops22h 11mMultiple Airlines
Thu 5/225:05 pmSEA - TRS
1 stop20h 20mMultiple Airlines
Deal found 3/31$800
This Expedia deal was found by Cheapflights users on 3/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/163:15 pmTRS - SEA
2 stops33h 45mKLM
Sun 4/201:55 pmSEA - TRS
2 stops15h 35mKLM
Deal found 3/31$824
This Expedia deal was found by Cheapflights users on 3/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/203:15 pmTRS - SEA
2 stops29h 00mAir France
Wed 9/31:30 pmSEA - TRS
2 stops20h 05mAir France
Deal found 3/31$836
This Lufthansa deal was found by Cheapflights users on 3/31. 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 8/236:30 amTRS - SEA
1 stop14h 25mLufthansa
Thu 9/41:43 pmSEA - TRS
2 stops23h 42mLufthansa
Deal found 3/31$846
This ITA Airways deal was found by Cheapflights users on 3/31. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/226:35 amTRS - SEA
2 stops22h 47mITA Airways
Thu 9/410:17 amSEA - TRS
2 stops19h 13mITA Airways
Deal found 3/31$921
This Delta deal was found by Cheapflights users on 3/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1111:15 amTRS - SEA
2 stops21h 40mDelta
Sun 8/2410:00 pmSEA - TRS
2 stops27h 25mDelta
Deal found 3/31$1,104
This Turkish Airlines deal was found by Cheapflights users on 3/31. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/811:15 amTRS - SEA
2 stops39h 00mTurkish Airlines
Wed 8/277:10 pmSEA - TRS
2 stops34h 20mTurkish Airlines
Deal found 3/31$1,505

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 April 1, 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

Thu 5/15

6:30 am-7:41 pm

2 stops22h 11m

Seattle/Tacoma Intl

Thu 5/22

5:05 pm-10:25 pm

1 stop20h 20m

$800

TriesteSeattle

TRS - SEA

TRSSEA

Trieste Ronchi dei Legionari

Wed 4/16

3:15 pm-4:00 pm

2 stops33h 45m

Seattle/Tacoma Intl

Sun 4/20

1:55 pm-2:30 pm

2 stops15h 35m

$824

TriesteSeattle

TRS - SEA

TRSSEA

Trieste Ronchi dei Legionari

Wed 8/20

3:15 pm-11:15 am

2 stops29h 00m

Seattle/Tacoma Intl

Wed 9/3

1:30 pm-6:35 pm

2 stops20h 05m

$836

TriesteSeattle

TRS - SEA

TRSSEA

Trieste Ronchi dei Legionari

Sat 8/23

6:30 am-11:55 am

1 stop14h 25m

Seattle/Tacoma Intl

Thu 9/4

1:43 pm-10:25 pm

2 stops23h 42m

$846

TriesteSeattle

TRS - SEA

TRSSEA

Trieste Ronchi dei Legionari

Fri 8/22

6:35 am-8:22 pm

2 stops22h 47m

Seattle/Tacoma Intl

Thu 9/4

10:17 am-2:30 pm

2 stops19h 13m

$921

TriesteSeattle

TRS - SEA

TRSSEA

Trieste Ronchi dei Legionari

Mon 8/11

11:15 am-11:55 pm

2 stops21h 40m

Seattle/Tacoma Intl

Sun 8/24

10:00 pm-10:25 am

2 stops27h 25m

$1,104

TriesteSeattle

TRS - SEA

TRSSEA

Trieste Ronchi dei Legionari

Fri 8/8

11:15 am-5:15 pm

2 stops39h 00m

Seattle/Tacoma Intl

Tue 8/26

12:30 pm-6:35 pm

2 stops21h 05m

$1,505

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

  • Most accurate provider: When it comes to deals on Trieste-Seattle flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Trieste-Seattle flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Trieste-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Trieste-Seattle flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Trieste-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 April 1, 2025.
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

8.0

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

8.0

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

8.0

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air France
7.4
Good
1,425 reviews
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

8.0

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Turkish Airlines
7.3
Good
3,748 reviews
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

8.0

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
ITA Airways
6.7
Okay
952 reviews
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

8.0

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 July is currently the most expensive (average of $411). 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
Renton
Lacey
Ocean Shores
Leavenworth
Federal Way
Olympia
Cle Elum
Centralia
Mukilteo
Aberdeen
Shoreline
Lynnwood
Shelton
Silverdale
Redmond
Monroe

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Alternative routes for Trieste to Seattle

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