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Cheap flight deals from Trieste to Seattle Starting at DKK 5,369

For as little as DKK 5,369, you can take your next adventure to Seattle without breaking the bank. Choose between one-way and return tickets from Trieste below.

  • One way
  • Round-trip
      • TRS06:30
        17h 35m
        1 stop
        SEA15:05
        Mon, Apr 28|Trieste - Seattle|Lufthansa
        DKK 5,369DKK 9,557
        44% OFF
        44% OFF
        DKK 9,557DKK 5,369

        Choose Lufthansa flights from Trieste to Seattle. The one-way connecting flight with Lufthansa departs from Trieste Airport on Mon, Apr 28, arriving at Seattle-Tacoma International Airport. One-way Prices start from DKK 5,369 including taxes and charges.

      • TRS06:30
        17h 35m
        1 stop
        SEA15:05
        Mon, Apr 28|Trieste - Seattle|Air Dolomiti
        DKK 5,407DKK 9,557
        43% OFF
        43% OFF
        DKK 9,557DKK 5,407

        Choose Air Dolomiti flights from Trieste to Seattle. The one-way connecting flight with Air Dolomiti departs from Trieste Airport on Mon, Apr 28, arriving at Seattle-Tacoma International Airport. One-way Prices start from DKK 5,407 including taxes and charges.

      • TRS06:30
        17h 35m
        1 stop
        SEA15:05
        Fri, Apr 25|Trieste - Seattle|Lufthansa
        DKK 6,912DKK 9,557
        28% OFF
        28% OFF
        DKK 9,557DKK 6,912

        Choose Lufthansa flights from Trieste to Seattle. The one-way connecting flight with Lufthansa departs from Trieste Airport on Fri, Apr 25, arriving at Seattle-Tacoma International Airport. One-way Prices start from DKK 6,912 including taxes and charges.

      • TRS06:30
        17h 35m
        1 stop
        SEA15:05
        Fri, Apr 25|Trieste - Seattle|Air Dolomiti
        DKK 7,072
        DKK 7,072

        Choose Air Dolomiti flights from Trieste to Seattle. The one-way connecting flight with Air Dolomiti departs from Trieste Airport on Fri, Apr 25, arriving at Seattle-Tacoma International Airport. One-way Prices start from DKK 7,072 including taxes and charges.

      • TRS01:00 pm
        3h 5m
        Nonstop
        SEA02:00 pm
        Fri, Feb 28|Trieste - Seattle|Lufthansa
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Trieste to Seattle flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. LH9573

    Lufthansa

    06:30

    TRS

    1.5h

    08:00

    FRA

    -M-WTF-
    Search

  2. UA988

    United Airlines

    12:20

    FRA

    8.7h

    15:00

    IAD

    SMTWTFS

  3. UA1730

    United Airlines

    17:19

    IAD

    6.0h

    20:19

    SEA

    SMTWTFS

  4. EN8821

    Air Dolomiti

    06:30

    TRS

    1.5h

    08:00

    FRA

    -M-WTF-
    Search

  5. UA988

    United Airlines

    12:20

    FRA

    8.7h

    15:00

    IAD

    SMTWTFS

  6. UA1730

    United Airlines

    17:19

    IAD

    6.0h

    20:19

    SEA

    SMTWTFS

  7. LH9573

    Lufthansa

    06:30

    TRS

    1.5h

    08:00

    FRA

    -M-WTF-
    Search

  8. LH7586

    Lufthansa

    11:20

    FRA

    10.3h

    13:35

    DEN

    SMTWTFS

  9. UA745

    United Airlines

    16:05

    DEN

    3.0h

    18:06

    SEA

    SMTWTFS

  10. LH9573

    Lufthansa

    06:30

    TRS

    1.5h

    08:00

    FRA

    -M-WTF-
    Search

  11. AC9101

    Air Canada

    10:40

    FRA

    10.2h

    11:50

    YVR

    SMTWTFS

  12. AC8806

    Air Canada

    17:30

    YVR

    1.1h

    18:33

    SEA

    S--WTFS

  13. EN8821

    Air Dolomiti

    06:30

    TRS

    1.5h

    08:00

    FRA

    -M-WTF-
    Search

  14. DE2032

    Condor Airlines

    13:45

    FRA

    10.3h

    15:05

    SEA

    ---W-F-

  15. LH9573

    Lufthansa

    06:30

    TRS

    1.5h

    08:00

    FRA

    -M-WTF-
    Search

  16. DE2032

    Condor Airlines

    13:45

    FRA

    10.3h

    15:05

    SEA

    ---W-F-

  17. EN8821

    Air Dolomiti

    06:30

    TRS

    1.5h

    08:00

    FRA

    -M-WTF-
    Search

  18. UA8717

    United Airlines

    10:45

    FRA

    10.3h

    12:00

    SEA

    S-TWTF-

  19. LH9573

    Lufthansa

    06:30

    TRS

    1.5h

    08:00

    FRA

    -M-WTF-
    Search

  20. UA8717

    United Airlines

    10:45

    FRA

    10.3h

    12:00

    SEA

    S-TWTF-

  21. LH9573

    Lufthansa

    06:30

    TRS

    1.5h

    08:00

    FRA

    -M-WTF-
    Search

  22. LH490

    Lufthansa

    10:45

    FRA

    10.2h

    11:55

    SEA

    S-TWTF-

  23. AZ1356

    ITA Airways

    06:40

    TRS

    1.1h

    07:45

    FCO

    SMTWTFS
    Search

  24. FI563

    Icelandair

    15:25

    FCO

    4.8h

    18:15

    KEF

    S--W-F-

  25. FI681

    Icelandair

    16:50

    KEF

    8.0h

    17:50

    SEA

    SMTWTFS
Find more flights and airlines

When is the cheapest time to fly from Trieste to Seattle?

Explore the best time to buy affordable tickets to Seattle with our price trend chart, which predicts how flight prices will change in the coming weeks from previous data.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from Trieste (TRS) to Seattle (SEA) the cheapest?

    Airlines adjust prices for flights from Trieste to Seattle based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Trieste (TRS) to Seattle (SEA) cost?

    According to Trip.com's data, the lowest price is around DKK 8,835.

  • What is the transportation method from the main airport to downtown in Seattle?

    • The distance from Seattle-Tacoma International Airport to downtown is about 17 km, by taxi about 30 minutes.

  • How many airports are there in Seattle (SEA)?

How to find a cheap flight from Trieste to Seattle

If you don’t know some of the key things to look out for when buying flight tickets, prices can often end up sky high or, worse, sold out! We’ve carefully compiled our six most important steps to help ensure you’re getting the best deals when planning your next journey.
1
Being flexible with your dates to get the cheapest Trieste to Seattle ticket.
Tap "Date" on flight search bar to scan through the calender for Trieste to Seattle airfare over next 6 months in 2025. If you would like to fly in next 3 months, it seems the cheapest date is on Mon, Apr 28 at DKK 5369 for one-way flights.
2
Compare cheap Trieste to Seattle flight deals from over hundreds of airlines.
Our extensive search allows you to compare prices from over 500 airlines to choose the cheapest flight tickets from Trieste to Seattle. The cheapest airline operating is Lufthansa.
3
Set up a Price Alert
By setting up a Price Alert for your Trieste to Seattle route, you can easily track the price of your airline tickets from without manually checking every day.
4
Don't miss cheap Trieste to Seattle flight deals and promo codes.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights. If registering a free membership, you can receive more deals for your flights.
5
Book early or wait unitl the last minute.
It's always better to book early. Flight tickets tend to be the cheapest when they are first released, normally about a year before the departure date. So, check online as soon as the flights you want become available. If you miss the cheapest time, you can still find lower-priced tickets as the flight date approaches.
6
Search for flights on the go.
To get the best flight booking experience on the go, download Trip.com and search for cheap flight tickets from Trieste to Seattle to get exclusive deals for you.

Flight Info | Trieste to Seattle

Cheapest direct flight priceDKK 5,369
Off-season for travelJanuary
Peak season for travelDecember
Flight distance8,784.93 km
Popular airlineAir France

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