TRS - SEA

$1,002 Find Cheap Flights from Trieste to Seattle - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$1,002
Typical prices: $715-$1,182
Air France, KLM
Mon 11/26Mon 12/3
TRS - SEA • 2 stops
Cheapest one-way
$1,205
Typical prices: $648-$1,882
Multiple Airlines
Wed 10/31
TRS - SEA • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Trieste and Seattle. You'll need to take a connecting flight to reach the destination.
Insights
Insights
Top layover airports
Rome Fiumicino (FCO)
Cheapest • Avg $1,147 (round-trip)
Frankfurt am Main (FRA)
Shortest trip • 14h 45m (one-way)
Insights
Insights
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Cheap Flights from Trieste to Seattle (TRS-SEA)

 

Cheap flights from Trieste to Seattle with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

Thu, Nov 26 - Thu, Dec 3
Multiple Airlines Logo
6:35 am - 6:37 pmTRS  Trieste Ronchi dei Legionari-SEA Seattle/Tacoma Intl
21h 02m2 stops Rome Fiumicino Detroit Metropolitan Wayne County
Multiple Airlines Logo
8:25 am - 2:30 pmSEA  Seattle/Tacoma Intl-TRS Trieste Ronchi dei Legionari
21h 05m2 stops Minneapolis St Paul Rome Fiumicino
$1,002Multiple Airlines
Wed, Nov 25 - Wed, Dec 2
Air France Logo
6:35 am - 6:37 pmTRS  Trieste Ronchi dei Legionari-SEA Seattle/Tacoma Intl
21h 02m2 stops Rome Fiumicino Detroit Metropolitan Wayne County
Air France Logo
7:15 am - 2:30 pmSEA  Seattle/Tacoma Intl-TRS Trieste Ronchi dei Legionari
22h 15m2 stops New York John F Kennedy Intl Rome Fiumicino
$1,011Air France
Wed, Nov 25 - Wed, Dec 2
Multiple Airlines Logo
11:15 am - 12:00 pmTRS  Trieste Ronchi dei Legionari-SEA Seattle/Tacoma Intl
33h 45m3 stops Rome Fiumicino London Heathrow Frankfurt am Main
Multiple Airlines Logo
3:15 pm - 10:25 amSEA  Seattle/Tacoma Intl-TRS Trieste Ronchi dei Legionari
34h 10m3 stops Vancouver Intl London Heathrow Rome Fiumicino
$1,079Multiple Airlines
Thu, Jan 14 - Sun, Jan 17
United Airlines Logo
6:35 am - 9:41 pmTRS  Trieste Ronchi dei Legionari-SEA Seattle/Tacoma Intl
24h 06m2 stops Rome Fiumicino Newark
United Airlines Logo
8:30 am - 10:25 amSEA  Seattle/Tacoma Intl-TRS Trieste Ronchi dei Legionari
40h 55m3 stops Denver Intl Newark Rome Fiumicino
$1,148United Airlines
Thu, Jan 14 - Sun, Jan 17
United Airlines Logo
6:35 am - 9:41 pmTRS  Trieste Ronchi dei Legionari-SEA Seattle/Tacoma Intl
24h 06m2 stops Rome Fiumicino Newark
United Airlines Logo
8:30 am - 10:25 amSEA  Seattle/Tacoma Intl-TRS Trieste Ronchi dei Legionari
40h 55m3 stops Denver Intl Newark Rome Fiumicino
$1,150United Airlines
Thu, Jan 14 - Sun, Jan 17
United Airlines Logo
6:35 am - 9:41 pmTRS  Trieste Ronchi dei Legionari-SEA Seattle/Tacoma Intl
24h 06m2 stops Rome Fiumicino Newark
United Airlines Logo
8:30 am - 10:25 amSEA  Seattle/Tacoma Intl-TRS Trieste Ronchi dei Legionari
40h 55m3 stops Denver Intl Newark Rome Fiumicino
$1,151United Airlines
Thu, Nov 26 - Thu, Dec 3
Multiple Airlines Logo
12:20 pm - 8:38 pmTRS  Trieste Ronchi dei Legionari-SEA Seattle/Tacoma Intl
41h 18m3 stops Malaga Casablanca Mohamed V Los Angeles
Multiple Airlines Logo
2:30 pm - 10:25 amSEA  Seattle/Tacoma Intl-TRS Trieste Ronchi dei Legionari
34h 55m3 stops Calgary Paris Charles de Gaulle Rome Fiumicino
$1,172Multiple Airlines
Thu, Jan 14 - Sun, Jan 17
United Airlines Logo
6:35 am - 9:59 pmTRS  Trieste Ronchi dei Legionari-SEA Seattle/Tacoma Intl
48h 24m3 stops Rome Fiumicino Washington, D.C. Dulles Intl Los Angeles
United Airlines Logo
8:30 am - 10:25 amSEA  Seattle/Tacoma Intl-TRS Trieste Ronchi dei Legionari
40h 55m3 stops Denver Intl Newark Rome Fiumicino
$1,214United Airlines
Thu, Jan 14 - Sun, Jan 17
United Airlines Logo
6:35 am - 9:59 pmTRS  Trieste Ronchi dei Legionari-SEA Seattle/Tacoma Intl
48h 24m3 stops Rome Fiumicino Washington, D.C. Dulles Intl Los Angeles
United Airlines Logo
8:30 am - 10:25 amSEA  Seattle/Tacoma Intl-TRS Trieste Ronchi dei Legionari
40h 55m3 stops Denver Intl Newark Rome Fiumicino
$1,216United Airlines
Thu, Jan 14 - Sun, Jan 17
United Airlines Logo
6:35 am - 9:59 pmTRS  Trieste Ronchi dei Legionari-SEA Seattle/Tacoma Intl
48h 24m3 stops Rome Fiumicino Washington, D.C. Dulles Intl Los Angeles
United Airlines Logo
8:30 am - 10:25 amSEA  Seattle/Tacoma Intl-TRS Trieste Ronchi dei Legionari
40h 55m3 stops Denver Intl Newark Rome Fiumicino
$1,217United Airlines

Price, demand and travel trends for Trieste to Seattle flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Which airline is the cheapest to fly from Trieste to Seattle?

Air France ($1,011) and United Airlines ($1,148) are the cheapest airlines to fly round-trip from Trieste to Seattle according to KAYAK data over the last 5 days.

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Key details for Trieste to Seattle flights

Cheapest flight

$1,002
Round-trip flight from Trieste to Seattle

When to book flights from Trieste to Seattle

Are your dates flexible? Find out the best times to travel from Trieste to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Trieste to Seattle flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • How long is a flight from Trieste to Seattle?

    A nonstop flight from Trieste to Seattle takes 00m, covering 5,456 miles.

  • Do I need a passport to fly from Trieste to Seattle?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Trieste to Seattle changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route varied from about $1,002 to $1,275. That means the highest observed fare was about 27% higher than the lowest one.

  • How are flight prices from Trieste to Seattle looking right now?

    One-way fares from Trieste to Seattle are currently lower than usual. Average one-way flight prices are about $1,672, which is 12% below the typical average for this route.

  • What car rental options are available at Seattle/Tacoma Intl Airport (SEA)?

    Seattle/Tacoma Intl Airport (SEA) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include:

    • Fox
    • Europcar
    • Thrifty
    • Budget
    • Hertz

  • Which airports can I use when flying from Trieste to Seattle?

    Flights from Trieste to Seattle usually depart from Trieste Ronchi dei Legionari (TRS) and arrive at Seattle/Tacoma Intl (SEA).

  • Which airports do connecting flights from Trieste to Seattle pass through?

    Connecting flights from Trieste to Seattle most commonly pass through:

    • Rome Fiumicino (FCO) - 60% of one-stop connections
    • Frankfurt am Main (FRA) - 40% of one-stop connections

  • Can I save money by using flexible dates for flights from Trieste to Seattle?

    Yes. Flexible dates can save you up to 40% on flights from Trieste to Seattle. Tuesday is the cheapest departure day at $715 round-trip on average, while Monday is the most expensive at $1,182, a difference of $467.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Trieste to Seattle?

    Flying via Frankfurt am Main (FRA) gives the shortest average 1-stop total travel time at 14h 45m, compared with 20h 24m via Rome Fiumicino (FCO).

  • What is the time difference between Trieste and Seattle?

    Seattle is 9 hours behind Trieste (Pacific Time vs Central European Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Seattle?

    Some of the most popular sights in Seattle are Pike Place Market, Lumen Field and Space Needle. These are among the most viewed places in Seattle on KAYAK.

Your guide to booking Trieste to Seattle flights

Get tips on when to book, when to fly and what to know before your trip.

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