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 12h 35m on average, while flying from Spokane to Venice Marco Polo Airport is 18h 03m on average. Venice Marco Polo Airport is the most popular airport in Trieste.

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.

$272 Cheap Flights from Washington to Trieste in 2026

Find the cheapest flights from Washington to Trieste

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 2:30 pmPDX Portland-TRS Trieste Ronchi dei Legionari

22h 30m2 stops New York John F Kennedy Intl Rome Fiumicino

3:15 pm - 9:49 pmTRS Trieste Ronchi dei Legionari-PDX Portland

39h 34m2 stops Rome Fiumicino Atlanta Hartsfield-Jackson

$880KLM

Wed, Oct 21 - Wed, Nov 4

10:10 am - 1:45 pmPDX Portland-TRS Trieste Ronchi dei Legionari

18h 35m2 stops Vancouver Intl Frankfurt am Main

6:20 am - 7:11 pmTRS Trieste Ronchi dei Legionari-PDX Portland

21h 51m2 stops Frankfurt am Main Vancouver Intl

$1,005Lufthansa

Tue, Oct 6 - Tue, Oct 13

7:15 pm - 11:10 pmSEA Seattle/Tacoma Intl-TRS Trieste Ronchi dei Legionari

18h 55m2 stops Istanbul Bari Palese

3:15 pm - 6:10 pmTRS Trieste Ronchi dei Legionari-SEA Seattle/Tacoma Intl

34h 55m3 stops Rome Fiumicino Bari Palese Istanbul

$1,072Multiple Airlines

Wed, Oct 21 - Wed, Oct 28

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

6:35 am - 10:35 amTRS Trieste Ronchi dei Legionari-SEA Seattle/Tacoma Intl

37h 00m2 stops Rome Fiumicino New York John F Kennedy Intl

$1,107KLM

Sat, Dec 12 - Sat, Jan 9

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

6:35 am - 10:35 amTRS Trieste Ronchi dei Legionari-SEA Seattle/Tacoma Intl

37h 00m2 stops Rome Fiumicino New York John F Kennedy Intl

$1,107KLM

Fri, Dec 11 - Sat, Jan 9

2:05 pm - 2:30 pmSEA Seattle/Tacoma Intl-TRS Trieste Ronchi dei Legionari

15h 25m1 stop Rome Fiumicino

3:15 pm - 9:20 pmTRS Trieste Ronchi dei Legionari-SEA Seattle/Tacoma Intl

38h 05m2 stops Rome Fiumicino Boston Logan Intl

$1,115KLM

Fri, Oct 23 - Fri, Oct 30

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

18h 55m2 stops Reykjavik Keflavik Intl Rome Fiumicino

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

19h 25m2 stops Rome Fiumicino Reykjavik Keflavik Intl

$1,116Icelandair

Mon, Dec 7 - Thu, Jan 14

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

18h 55m2 stops Reykjavik Keflavik Intl Rome Fiumicino

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

19h 25m2 stops Rome Fiumicino Reykjavik Keflavik Intl

$1,116Icelandair

Wed, Dec 9 - Thu, Jan 14

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

3:15 pm - 9:20 pmTRS Trieste Ronchi dei Legionari-SEA Seattle/Tacoma Intl

38h 05m2 stops Rome Fiumicino Boston Logan Intl

$1,119KLM

Fri, Oct 23 - Fri, Oct 30

7:00 am - 10:25 amPDX Portland-TRS Trieste Ronchi dei Legionari

18h 25m2 stops Chicago O'Hare Intl Rome Fiumicino

6:35 am - 11:07 pmTRS Trieste Ronchi dei Legionari-PDX Portland

25h 32m2 stops Rome Fiumicino Chicago O'Hare Intl

$1,127United Airlines

Mon, Mar 1 - Thu, Mar 4

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United Airlines flights from State of Washington to Trieste

Our best United Airlines deals on State of Washington to Trieste flight tickets

United Airlines

Mar 1

PDX7:00 amPortland

18h 25m

2 stops

TRS10:25 amTrieste Ronchi dei Legionari

Mar 4

TRS6:35 amTrieste Ronchi dei Legionari

25h 32m

2 stops

PDX11:07 pmPortland

$1,127

United Airlines

Mar 1

PDX4:05 pmPortland

33h 20m

3 stops

TRS10:25 amTrieste Ronchi dei Legionari

Mar 4

TRS6:35 amTrieste Ronchi dei Legionari

25h 32m

2 stops

PDX11:07 pmPortland

$1,141

United Airlines

Mar 1

PDX4:05 pmPortland

33h 20m

3 stops

TRS10:25 amTrieste Ronchi dei Legionari

Mar 4

TRS6:35 amTrieste Ronchi dei Legionari

25h 32m

2 stops

PDX11:07 pmPortland

$1,142

KLM flights from State of Washington to Trieste

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

KLM

Oct 21

PDX7:00 amPortland

22h 30m

2 stops

TRS2:30 pmTrieste Ronchi dei Legionari

Nov 4

TRS3:15 pmTrieste Ronchi dei Legionari

39h 34m

2 stops

PDX9:49 pmPortland

$880

KLM

Dec 11

SEA7:15 amSeattle/Tacoma Intl

22h 15m

2 stops

TRS2:30 pmTrieste Ronchi dei Legionari

Jan 9

TRS6:35 amTrieste Ronchi dei Legionari

37h 00m

2 stops

SEA10:35 amSeattle/Tacoma Intl

$1,107

KLM

Oct 23

SEA2:05 pmSeattle/Tacoma Intl

15h 25m

1 stop

TRS2:30 pmTrieste Ronchi dei Legionari

Oct 30

TRS3:15 pmTrieste Ronchi dei Legionari

38h 05m

2 stops

SEA9:20 pmSeattle/Tacoma Intl

$1,115

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandTrieste

PDX Portland - TRS Trieste Ronchi dei Legionari

PDXTRS

Portland

Wed 10/21

7:00 am-2:30 pm

2 stops22h 30m

Trieste Ronchi dei Legionari

Wed 11/4

3:15 pm-9:49 pm

2 stops39h 34m

$880

PortlandTrieste

PDX Portland - TRS Trieste Ronchi dei Legionari

PDXTRS

Portland

Tue 10/6

10:10 am-1:45 pm

2 stops18h 35m

Trieste Ronchi dei Legionari

Tue 10/13

6:20 am-7:11 pm

2 stops21h 51m

$1,005

SeattleTrieste

SEA Seattle/Tacoma Intl - TRS Trieste Ronchi dei Legionari

SEATRS

Seattle/Tacoma Intl

Wed 10/21

7:15 pm-11:10 pm

2 stops18h 55m

Trieste Ronchi dei Legionari

Wed 10/28

3:15 pm-6:10 pm

3 stops34h 55m

$1,072

SeattleTrieste

SEA Seattle/Tacoma Intl - TRS Trieste Ronchi dei Legionari

SEATRS

Seattle/Tacoma Intl

Sat 12/12

7:15 am-2:30 pm

2 stops22h 15m

Trieste Ronchi dei Legionari

Sat 1/9

6:35 am-10:35 am

2 stops37h 00m

$1,107

SeattleTrieste

SEA Seattle/Tacoma Intl - TRS Trieste Ronchi dei Legionari

SEATRS

Seattle/Tacoma Intl

Fri 12/11

7:15 am-2:30 pm

2 stops22h 15m

Trieste Ronchi dei Legionari

Sat 1/9

6:35 am-10:35 am

2 stops37h 00m

$1,107

SeattleTrieste

SEA Seattle/Tacoma Intl - TRS Trieste Ronchi dei Legionari

SEATRS

Seattle/Tacoma Intl

Fri 10/23

2:05 pm-2:30 pm

1 stop15h 25m

Trieste Ronchi dei Legionari

Fri 10/30

3:15 pm-9:20 pm

2 stops38h 05m

$1,115

Quickest round-trip

SeattleTrieste

SEA Seattle/Tacoma Intl - TRS Trieste Ronchi dei Legionari

SEATRS

Seattle/Tacoma Intl

Mon 12/7

2:35 pm-6:30 pm

2 stops18h 55m

Trieste Ronchi dei Legionari

Thu 1/14

6:35 am-5:00 pm

2 stops19h 25m

$1,116

SeattleTrieste

SEA Seattle/Tacoma Intl - TRS Trieste Ronchi dei Legionari

SEATRS

Seattle/Tacoma Intl

Wed 12/9

2:35 pm-6:30 pm

2 stops18h 55m

Trieste Ronchi dei Legionari

Thu 1/14

6:35 am-5:00 pm

2 stops19h 25m

$1,116

SeattleTrieste

SEA Seattle/Tacoma Intl - TRS Trieste Ronchi dei Legionari

SEATRS

Seattle/Tacoma Intl

Fri 10/23

7:15 am-2:30 pm

2 stops22h 15m

Trieste Ronchi dei Legionari

Fri 10/30

3:15 pm-9:20 pm

2 stops38h 05m

$1,119

PortlandTrieste

PDX Portland - TRS Trieste Ronchi dei Legionari

PDXTRS

Portland

Mon 3/1

7:00 am-10:25 am

2 stops18h 25m

Trieste Ronchi dei Legionari

Thu 3/4

6:35 am-11:07 pm

2 stops25h 32m

$1,127

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Airlines

Other information

What airlines fly to Trieste?

Condor, British Airways and Delta are the top three most popular airlines that fly to Trieste from State of Washington according to our data. Condor is the first choice among our users, with 52% of people opting to fly with this airline when traveling to Trieste. Keep in mind that there are 7 different airlines that fly to Trieste on a routine basis, so you have a few additional options to choose from.

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

Best Price Found	$272
Fastest flight time	15h 25m
Direct flights	None

The best one-way flight to Trieste from State of Washington in the past 72 hours is $272. The best round-trip flight deal from State of Washington to Trieste found on momondo in the last 72 hours is $880.

The fastest flight from State of Washington to Trieste takes 15h 25m

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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Frequently asked questions about flying from Washington to Trieste

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 use momondo?

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 $272

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Trieste departing on 10/5. 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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