How long does it take to fly to Trieste?

Average flight duration from State of Washington to Trieste depends on which airport you fly into and out of. Flying from Seattle to Venice Marco Polo Airport is 16h 20m on average, while flying from Spokane to Venice Marco Polo Airport is 17h 28m on average. Venice Marco Polo Airport is the most popular airport in Trieste.

What airlines fly to Trieste?

Delta, British Airways and Lufthansa are the top three most popular airlines that fly to Trieste from State of Washington according to our data. Delta is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Trieste. Keep in mind that there are 11 different airlines that fly to Trieste on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Washington to Trieste Ronchi dei Legionari?

United Airlines is the most popular carrier operating from Washington to Trieste Ronchi dei Legionari

When did momondo last update prices for flights from Washington to Trieste Ronchi dei Legionari Airport?

Prices for flights from Washington to Trieste Ronchi dei Legionari Airport are updated daily.

How old do you have to be to fly from Washington to Trieste Ronchi dei Legionari Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington to Trieste Ronchi dei Legionari Airport.

What documentation or ID do you need to fly to Trieste Ronchi dei Legionari Airport?

The travel and health documents required for your trip to Trieste Ronchi dei Legionari Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Trieste Ronchi dei Legionari Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$706 Cheap Flights from Washington to Trieste in 2025/26

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10:05 am - 2:05 pmSEA-TRS

19h 00m2 stops

3:00 pm - 12:10 pmTRS-SEA

30h 10m1 stop

$706Lufthansa

Find Deal

Wed, Nov 19 - Sun, Nov 23

12:35 pm - 10:40 pmSEA-TRS

25h 05m2 stops

3:00 pm - 12:10 pmTRS-SEA

30h 10m1 stop

$711Lufthansa

Find Deal

Wed, Nov 19 - Sun, Nov 23

7:20 am - 10:55 pmSEA-TRS

30h 35m2 stops

6:35 am - 10:25 pmTRS-SEA

24h 50m2 stops

$776KLM

Find Deal

Wed, Nov 19 - Sun, Nov 23

10:52 am - 10:40 pmPDX-TRS

26h 48m2 stops

3:00 pm - 12:26 amTRS-PDX

42h 26m2 stops

$809Lufthansa

Find Deal

Wed, Nov 19 - Sun, Nov 23

10:10 am - 2:05 pmSEA-TRS

18h 55m2 stops

6:30 am - 11:55 amTRS-SEA

14h 25m1 stop

$831Multiple Airlines

Find Deal

Thu, Apr 9 - Thu, Apr 23

8:00 pm - 10:25 pmSEA-TRS

41h 25m2 stops

6:30 am - 7:18 pmTRS-SEA

21h 48m2 stops

$837Multiple Airlines

Find Deal

Thu, Apr 9 - Thu, Apr 23

2:20 pm - 2:05 pmSEA-TRS

14h 45m1 stop

6:30 am - 11:55 amTRS-SEA

14h 25m1 stop

$838Lufthansa

Find Deal

Thu, Apr 9 - Thu, Apr 23

10:52 am - 10:40 pmPDX-TRS

26h 48m2 stops

3:00 pm - 10:36 pmTRS-PDX

40h 36m2 stops

$921Lufthansa

Find Deal

Wed, Nov 19 - Sun, Nov 23

3:10 pm - 10:55 pmSEA-TRS

22h 45m3 stops

11:15 am - 9:33 amTRS-SEA

31h 18m3 stops

$1,014Multiple Airlines

Find Deal

Thu, Apr 9 - Thu, Apr 23

3:45 pm - 6:30 pmSEA-TRS

17h 45m2 stops

11:15 am - 9:33 amTRS-SEA

31h 18m3 stops

$1,083Multiple Airlines

Find Deal

Thu, Apr 9 - Thu, Apr 23

Lufthansa flights from State of Washington to Trieste

Our best Lufthansa deals on State of Washington to Trieste flight tickets

Lufthansa

Nov 19

SEA10:05 amSeattle/Tacoma Intl

19h 00m

2 stops

TRS2:05 pmTrieste Ronchi dei Legionari

Nov 23

TRS3:00 pmTrieste Ronchi dei Legionari

30h 10m

1 stop

SEA12:10 pmSeattle/Tacoma Intl

$706

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Lufthansa

Nov 19

SEA12:35 pmSeattle/Tacoma Intl

25h 05m

2 stops

TRS10:40 pmTrieste Ronchi dei Legionari

Nov 23

TRS3:00 pmTrieste Ronchi dei Legionari

30h 10m

1 stop

SEA12:10 pmSeattle/Tacoma Intl

$711

Find similar

Lufthansa

Nov 19

PDX10:52 amPortland

26h 48m

2 stops

TRS10:40 pmTrieste Ronchi dei Legionari

Nov 23

TRS3:00 pmTrieste Ronchi dei Legionari

42h 26m

2 stops

PDX12:26 amPortland

$809

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Fly from

Fly to

Route

Depart

Return

Price

SeattleTrieste

SEA - TRS

SEATRS

Seattle/Tacoma Intl

Wed 11/19

10:05 am-2:05 pm

2 stops19h 00m

Trieste Ronchi dei Legionari

Sun 11/23

3:00 pm-12:10 pm

1 stop30h 10m

$706

SeattleTrieste

SEA - TRS

SEATRS

Seattle/Tacoma Intl

Wed 11/19

12:35 pm-10:40 pm

2 stops25h 05m

Trieste Ronchi dei Legionari

Sun 11/23

3:00 pm-12:10 pm

1 stop30h 10m

$711

SeattleTrieste

SEA - TRS

SEATRS

Seattle/Tacoma Intl

Wed 11/19

7:20 am-10:55 pm

2 stops30h 35m

Trieste Ronchi dei Legionari

Sun 11/23

6:35 am-10:25 pm

2 stops24h 50m

$776

PortlandTrieste

PDX - TRS

PDXTRS

Portland

Wed 11/19

10:52 am-10:40 pm

2 stops26h 48m

Trieste Ronchi dei Legionari

Sun 11/23

3:00 pm-12:26 am

2 stops42h 26m

$809

SeattleTrieste

SEA - TRS

SEATRS

Seattle/Tacoma Intl

Thu 4/9

10:10 am-2:05 pm

2 stops18h 55m

Trieste Ronchi dei Legionari

Thu 4/23

6:30 am-11:55 am

1 stop14h 25m

$831

SeattleTrieste

SEA - TRS

SEATRS

Seattle/Tacoma Intl

Thu 4/9

8:00 pm-10:25 pm

2 stops41h 25m

Trieste Ronchi dei Legionari

Thu 4/23

6:30 am-7:18 pm

2 stops21h 48m

$837

SeattleTrieste

SEA - TRS

SEATRS

Seattle/Tacoma Intl

Thu 4/9

2:20 pm-2:05 pm

1 stop14h 45m

Trieste Ronchi dei Legionari

Thu 4/23

6:30 am-11:55 am

1 stop14h 25m

$838

PortlandTrieste

PDX - TRS

PDXTRS

Portland

Wed 11/19

10:52 am-10:40 pm

2 stops26h 48m

Trieste Ronchi dei Legionari

Sun 11/23

3:00 pm-10:36 pm

2 stops40h 36m

$921

SeattleTrieste

SEA - TRS

SEATRS

Seattle/Tacoma Intl

Thu 4/9

3:10 pm-10:55 pm

3 stops22h 45m

Trieste Ronchi dei Legionari

Thu 4/23

11:15 am-9:33 am

3 stops31h 18m

$1,014

SeattleTrieste

SEA - TRS

SEATRS

Seattle/Tacoma Intl

Thu 4/9

3:45 pm-6:30 pm

2 stops17h 45m

Trieste Ronchi dei Legionari

Thu 4/23

11:15 am-9:33 am

3 stops31h 18m

$1,083

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How to get the cheapest flight ticket from State of Washington to Trieste

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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What is the cheapest day to depart on your flight to Trieste?

The cheapest day to depart on your flight to Trieste is on a Tuesday when prices can be found for as low as $1,169. This is often the case because there is less demand to fly during this day of the week. Flights from State of Washington to Trieste on a Wednesday will generally be more expensive and average around $1,307. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Cheap State of Washington to Trieste flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Trieste

Direct flights	None

There are no direct flights from State of Washington to Trieste. There are no popular flight routes from State of Washington to Trieste.

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When did momondo last update prices for flights from Washington to Trieste Ronchi dei Legionari Airport?
Prices for flights from Washington to Trieste Ronchi dei Legionari Airport are updated daily.
How old do you have to be to fly from Washington to Trieste Ronchi dei Legionari Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington to Trieste Ronchi dei Legionari Airport.
What documentation or ID do you need to fly to Trieste Ronchi dei Legionari Airport?
The travel and health documents required for your trip to Trieste Ronchi dei Legionari Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Trieste Ronchi dei Legionari Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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Why should I use momondo to find a flight deal from Washington to Trieste?

Finding the right flight to Trieste from Washington is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Trieste quick and easy, saving you time and money.

Can I find flights from Washington to Trieste with flexible booking policies on momondo?

Flights from Washington to Trieste with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Washington to Trieste?

momondo helps you find the best flight between Washington and Trieste by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Washington to Trieste right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Washington to Trieste flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Cheap flights from Washington to Trieste from $706

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Trieste departing on 11/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Lufthansa flights from State of Washington to Trieste

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How to get the cheapest flight ticket from State of Washington to Trieste

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Trieste?

What is the cheapest airline that flies from Washington to Trieste Ronchi dei Legionari?

United Airlines is the most popular carrier operating from Washington to Trieste Ronchi dei Legionari

What airlines fly to Trieste?

How long does it take to fly to Trieste?

Cheap State of Washington to Trieste flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Trieste

Direct flights

When did momondo last update prices for flights from Washington to Trieste Ronchi dei Legionari Airport?

How old do you have to be to fly from Washington to Trieste Ronchi dei Legionari Airport?

What documentation or ID do you need to fly to Trieste Ronchi dei Legionari Airport?

Traveling to a place near Trieste?

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Trieste?

Can I find flights from Washington to Trieste with flexible booking policies on momondo?

How can momondo help me find flights from Washington to Trieste?

I’m not ready to book a flight from Washington to Trieste right now. Can momondo alert me if prices change?

An easier way to manage your Trieste trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Italy

Fly your favorite airline to Trieste

Airlines are sorted and displayed according to clicks in the past 7 days on momondo