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) - 67% of one-stop connections • Frankfurt am Main (FRA) - 33% of one-stop connections Together, these airports account for 100% of one-stop bookings on this route.

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

Yes. Being flexible with your travel dates can save you up to 43% on the Trieste to Seattle route. Tuesday is the cheapest departure day at $715 round-trip on average, while Monday is the most expensive at $1,238, a difference of $523. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

What popular places can I visit in Seattle?

Some of the most popular sights in Seattle are Pike Place Market, Pier 66 and Lumen Field. These are among the most viewed places in Seattle on KAYAK.

How long is a flight from Trieste to Seattle?

A nonstop flight from Trieste to Seattle takes 0h 00m, covering 5,456 miles.

What are the earliest and latest flights from Trieste to Seattle?

These are the earliest and latest flight times available from Trieste to Seattle: • Earliest: departs at 12:00 am and lands at 12:00 am • Latest: departs at 12:00 am and lands at 12:00 am. The flight takes about 0h 00m.

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 showed a wide range, from about $914 to $2,457. That means the highest observed fare was about 3x higher than the lowest one.

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 46m, compared with 18h 28m 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 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 · Dollar

How much should I expect to pay for a Trieste to Seattle flight?

Round-trip flights from Trieste to Seattle range from $1,029 to $1,238, with an average of $1,182 over the past 12 months. Anything below $1,029 counts as a good deal.

What is the most popular layover airport when flying from Trieste to Seattle?

Rome Fiumicino (FCO) is the most popular layover for the Trieste to Seattle route. 67% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via FCO.

What is the cheapest layover airport when flying from Trieste to Seattle?

Flights via Frankfurt am Main (FRA) offer the most affordable fares, with an average round-trip price of $715. Based on KAYAK data over the past 3 months.

When flying from Trieste to Seattle which airport offers the shortest layover?

Frankfurt am Main (FRA) had the shortest average connection time for Trieste to Seattle layovers at 549 minutes over the past 3 months.

$914 CHEAP FLIGHTS from Trieste to Seattle (TRS - SEA)

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Cheapest round-trip

$914

Typical prices: $1,029-$1,238

KLM

Mon 9/3Fri 9/7

TRS - SEA • 1 stop

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

Top layover airports

Frankfurt am Main (FRA)

Cheapest • Avg $715 (round-trip)

Rome Fiumicino (FCO)

Shortest trip • 18h 28m (one-way)

Insights

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Flight Deals

Cheap Flights from Trieste to Seattle (TRS-SEA)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Trieste to Seattle

Thu, Sep 3 - Mon, Sep 7

6:35 am - 3:30 pmTRS Trieste Ronchi dei Legionari-SEA Seattle/Tacoma Intl

17h 55m1 stop Rome Fiumicino

2:00 pm - 6:40 pmSEA Seattle/Tacoma Intl-TRS Trieste Ronchi dei Legionari

19h 40m1 stop Rome Fiumicino

$914KLM

Thu, Sep 3 - Mon, Sep 7

6:35 am - 11:20 pmTRS Trieste Ronchi dei Legionari-SEA Seattle/Tacoma Intl

25h 45m2 stops Rome Fiumicino New York John F Kennedy Intl

2:00 pm - 6:40 pmSEA Seattle/Tacoma Intl-TRS Trieste Ronchi dei Legionari

19h 40m1 stop Rome Fiumicino

$920KLM

Thu, Sep 3 - Mon, Sep 7

6:15 am - 8:40 pmTRS Trieste Ronchi dei Legionari-SEA Seattle/Tacoma Intl

23h 25m3 stops Frankfurt am Main Stockholm Arlanda Reykjavik Keflavik Intl

3:40 pm - 4:45 pmSEA Seattle/Tacoma Intl-TRS Trieste Ronchi dei Legionari

16h 05m2 stops Reykjavik Keflavik Intl Stockholm Arlanda

$950Multiple Airlines

Thu, Sep 3 - Thu, Sep 10

6:15 am - 11:55 amTRS Trieste Ronchi dei Legionari-SEA Seattle/Tacoma Intl

14h 40m1 stop Frankfurt am Main

2:10 pm - 10:15 pmSEA Seattle/Tacoma Intl-TRS Trieste Ronchi dei Legionari

23h 05m1 stop Frankfurt am Main

$994Lufthansa

Thu, Sep 3 - Thu, Sep 10

6:15 am - 11:55 amTRS Trieste Ronchi dei Legionari-SEA Seattle/Tacoma Intl

14h 40m1 stop Frankfurt am Main

1:57 pm - 10:15 pmSEA Seattle/Tacoma Intl-TRS Trieste Ronchi dei Legionari

23h 18m2 stops Chicago O'Hare Intl Frankfurt am Main

$998Lufthansa

Thu, Sep 3 - Thu, Sep 10

6:15 am - 4:59 pmTRS Trieste Ronchi dei Legionari-SEA Seattle/Tacoma Intl

19h 44m2 stops Frankfurt am Main Munich Franz Josef Strauss

1:57 pm - 10:15 pmSEA Seattle/Tacoma Intl-TRS Trieste Ronchi dei Legionari

23h 18m2 stops Chicago O'Hare Intl Frankfurt am Main

$1,040Lufthansa

Thu, Sep 3 - Mon, Sep 7

6:15 am - 7:07 pmTRS Trieste Ronchi dei Legionari-SEA Seattle/Tacoma Intl

21h 52m2 stops Frankfurt am Main Chicago O'Hare Intl

7:00 am - 1:55 pmSEA Seattle/Tacoma Intl-TRS Trieste Ronchi dei Legionari

21h 55m2 stops Chicago O'Hare Intl Frankfurt am Main

$1,049Lufthansa

Thu, Sep 3 - Mon, Sep 7

6:15 am - 8:40 pmTRS Trieste Ronchi dei Legionari-SEA Seattle/Tacoma Intl

23h 25m3 stops Frankfurt am Main Stockholm Arlanda Reykjavik Keflavik Intl

3:40 pm - 10:25 pmSEA Seattle/Tacoma Intl-TRS Trieste Ronchi dei Legionari

21h 45m3 stops Reykjavik Keflavik Intl Stockholm Arlanda Frankfurt am Main

$1,078Multiple Airlines

Mon, Dec 21 - Tue, Jan 5

6:35 am - 5:00 pmTRS Trieste Ronchi dei Legionari-SEA Seattle/Tacoma Intl

19h 25m2 stops Rome Fiumicino Reykjavik Keflavik Intl

2:35 pm - 6:30 pmSEA Seattle/Tacoma Intl-TRS Trieste Ronchi dei Legionari

18h 55m2 stops Reykjavik Keflavik Intl Rome Fiumicino

$1,147Icelandair

Wed, Dec 23 - Tue, Jan 5

6:35 am - 5:00 pmTRS Trieste Ronchi dei Legionari-SEA Seattle/Tacoma Intl

19h 25m2 stops Rome Fiumicino Reykjavik Keflavik Intl

2:35 pm - 6:30 pmSEA Seattle/Tacoma Intl-TRS Trieste Ronchi dei Legionari

18h 55m2 stops Reykjavik Keflavik Intl Rome Fiumicino

$1,147Icelandair

Recent last minute flight deals from Trieste to Seattle

Sat, Aug 22 - Tue, Sep 1

6:35 am - 5:50 pmTRS Trieste Ronchi dei Legionari-SEA Seattle/Tacoma Intl

20h 15m1 stop Rome Fiumicino

5:30 pm - 10:55 pmSEA Seattle/Tacoma Intl-TRS Trieste Ronchi dei Legionari

20h 25m1 stop Rome Fiumicino

$1,304Multiple Airlines

Fri, Aug 21 - Tue, Sep 1

6:35 am - 5:50 pmTRS Trieste Ronchi dei Legionari-SEA Seattle/Tacoma Intl

20h 15m1 stop Rome Fiumicino

5:30 pm - 10:55 pmSEA Seattle/Tacoma Intl-TRS Trieste Ronchi dei Legionari

20h 25m1 stop Rome Fiumicino

$1,304Multiple Airlines

Sat, Aug 22 - Tue, Sep 1

6:35 am - 3:30 pmTRS Trieste Ronchi dei Legionari-SEA Seattle/Tacoma Intl

17h 55m1 stop Rome Fiumicino

9:53 am - 6:30 pmSEA Seattle/Tacoma Intl-TRS Trieste Ronchi dei Legionari

23h 37m2 stops Detroit Metropolitan Wayne County Rome Fiumicino

$1,315Multiple Airlines

Fri, Aug 21 - Tue, Sep 1

6:10 am - 11:55 amTRS Trieste Ronchi dei Legionari-SEA Seattle/Tacoma Intl

14h 45m1 stop Frankfurt am Main

8:10 am - 10:15 pmSEA Seattle/Tacoma Intl-TRS Trieste Ronchi dei Legionari

29h 05m2 stops Washington, D.C. Dulles Intl Frankfurt am Main

$1,317Lufthansa

Fri, Aug 21 - Tue, Sep 1

6:35 am - 11:20 pmTRS Trieste Ronchi dei Legionari-SEA Seattle/Tacoma Intl

25h 45m2 stops Rome Fiumicino New York John F Kennedy Intl

9:53 am - 6:30 pmSEA Seattle/Tacoma Intl-TRS Trieste Ronchi dei Legionari

23h 37m2 stops Detroit Metropolitan Wayne County Rome Fiumicino

$1,321Multiple Airlines

Sat, Aug 22 - Tue, Sep 1

6:35 am - 11:57 pmTRS Trieste Ronchi dei Legionari-SEA Seattle/Tacoma Intl

26h 22m2 stops Rome Fiumicino Atlanta Hartsfield-Jackson

9:53 am - 6:30 pmSEA Seattle/Tacoma Intl-TRS Trieste Ronchi dei Legionari

23h 37m2 stops Detroit Metropolitan Wayne County Rome Fiumicino

$1,338Multiple Airlines

Sat, Aug 22 - Tue, Sep 1

7:15 pm - 5:50 pmTRS Trieste Ronchi dei Legionari-SEA Seattle/Tacoma Intl

31h 35m1 stop Rome Fiumicino

5:30 pm - 10:25 amSEA Seattle/Tacoma Intl-TRS Trieste Ronchi dei Legionari

31h 55m1 stop Rome Fiumicino

$1,372Multiple Airlines

Sat, Aug 22 - Tue, Sep 1

6:55 am - 1:45 pmTRS Trieste Ronchi dei Legionari-SEA Seattle/Tacoma Intl

39h 50m2 stops Stockholm Arlanda Kastrup Copenhagen

7:10 pm - 4:00 pmSEA Seattle/Tacoma Intl-TRS Trieste Ronchi dei Legionari

35h 50m1 stop Dublin

$1,505Multiple Airlines

Sat, Aug 22 - Tue, Sep 1

11:15 am - 11:15 amTRS Trieste Ronchi dei Legionari-SEA Seattle/Tacoma Intl

33h 00m2 stops Rome Fiumicino Paris Charles de Gaulle

1:50 pm - 10:55 pmSEA Seattle/Tacoma Intl-TRS Trieste Ronchi dei Legionari

24h 05m2 stops Amsterdam Schiphol Rome Fiumicino

$1,585Multiple Airlines

Fri, Aug 21 - Tue, Sep 1

2:40 pm - 5:10 pmTRS Trieste Ronchi dei Legionari-SEA Seattle/Tacoma Intl

35h 30m3 stops Frankfurt am Main London Heathrow Dublin

7:10 pm - 10:25 amSEA Seattle/Tacoma Intl-TRS Trieste Ronchi dei Legionari

30h 15m3 stops Dublin London Heathrow Rome Fiumicino

$1,756Multiple Airlines

Booking Insights

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 from Trieste to Seattle with more confidence.

Airlines

Layovers

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

KLM ($914) and Lufthansa ($994) are the cheapest airlines to fly round-trip from Trieste to Seattle according to KAYAK data over the last 5 days.

Find deals

Cheapest flight	$914

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

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

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) - 67% of one-stop connections
• Frankfurt am Main (FRA) - 33% of one-stop connections
Together, these airports account for 100% of one-stop bookings on this route.
Can I save money by using flexible dates for flights from Trieste to Seattle?
Yes. Being flexible with your travel dates can save you up to 43% on the Trieste to Seattle route. Tuesday is the cheapest departure day at $715 round-trip on average, while Monday is the most expensive at $1,238, a difference of $523. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
What popular places can I visit in Seattle?
Some of the most popular sights in Seattle are Pike Place Market, Pier 66 and Lumen Field. These are among the most viewed places in Seattle on KAYAK.
How long is a flight from Trieste to Seattle?
A nonstop flight from Trieste to Seattle takes 0h 00m, covering 5,456 miles.
What are the earliest and latest flights from Trieste to Seattle?
These are the earliest and latest flight times available from Trieste to Seattle:

• Earliest: departs at 12:00 am and lands at 12:00 am
• Latest: departs at 12:00 am and lands at 12:00 am.

The flight takes about 0h 00m.
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 showed a wide range, from about $914 to $2,457. That means the highest observed fare was about 3x higher than the lowest one.
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 46m, compared with 18h 28m 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 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
· Dollar
How much should I expect to pay for a Trieste to Seattle flight?
Round-trip flights from Trieste to Seattle range from $1,029 to $1,238, with an average of $1,182 over the past 12 months. Anything below $1,029 counts as a good deal.

If your dates can be flexible, aim for a Tuesday departure instead of Monday. On this route, Tuesday flights average $715 - about $523 less than Monday (42% savings) based on the last 12 months.
If you're arriving late at night and need somewhere to stay, check out these hotels close to Seattle/Tacoma Intl Airport.
- Fairfield by Marriott Inn & Suites Seattle Sea-Tac Airport
- Coast Gateway Hotel
- Seattle Airport Marriott

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

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Trieste (TRS)

Seattle (SEA)

TRS - SEA

$914 Find Cheap Flights from Trieste to Seattle - Compare and Save

Everything you should know

Cheap Flights from Trieste to Seattle (TRS-SEA)

Recent round-trip flight deals from Trieste to Seattle

Recent one-way flight deals from Trieste to Seattle

Recent last minute flight deals from Trieste to Seattle

Price, demand and travel trends for Trieste to Seattle flights

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

What is the most popular layover airport when flying from Trieste to Seattle?

What is the cheapest layover airport when flying from Trieste to Seattle?

When flying from Trieste to Seattle which airport offers the shortest layover?

Key details for Trieste to Seattle flights

Cheapest flight

When to book flights from Trieste to Seattle

Your Trieste to Seattle flight questions, answered

Your guide to booking Trieste to Seattle flights

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

Information on your arrival and departure airports

Cabin class types available on flights from Trieste to Seattle

Complete your trip to Seattle with a hotel stay or car rental

Find direct flights to and from Trieste and Seattle

Flights to other popular destinations

Flights from domestic origins to Seattle

Choose which airport to fly into in Seattle

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