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 40m on average, while flying from Spokane to Venice Marco Polo Airport is 20h 30m 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.

$1,210 Cheap Flights from Washington to Trieste in 2026/27

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Round-trip

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Cheap round-trip flights

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7:00 am - 10:25 amSEA Seattle/Tacoma Intl-TRS Trieste Ronchi dei Legionari

18h 25m2 stops Newark Rome Fiumicino

6:35 am - 9:41 pmTRS Trieste Ronchi dei Legionari-SEA Seattle/Tacoma Intl

24h 06m2 stops Rome Fiumicino Newark

$1,210United Airlines

Mon, Feb 1 - Fri, Feb 5

7:00 am - 10:25 amSEA Seattle/Tacoma Intl-TRS Trieste Ronchi dei Legionari

18h 25m2 stops Newark Rome Fiumicino

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

$1,227United Airlines

Mon, Feb 1 - Fri, Feb 5

8:30 am - 10:25 amSEA Seattle/Tacoma Intl-TRS Trieste Ronchi dei Legionari

40h 55m3 stops Denver Intl Newark Rome Fiumicino

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

$1,244United Airlines

Mon, Feb 1 - Fri, Feb 5

7:00 am - 10:25 amSEA Seattle/Tacoma Intl-TRS Trieste Ronchi dei Legionari

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

6:35 am - 8:59 pmTRS Trieste Ronchi dei Legionari-SEA Seattle/Tacoma Intl

23h 24m2 stops Rome Fiumicino Toronto Pearson Intl

$1,503United Airlines

Sun, Dec 6 - Thu, Dec 10

2:35 pm - 10:25 amSEA Seattle/Tacoma Intl-TRS Trieste Ronchi dei Legionari

34h 50m3 stops Reykjavik Keflavik Intl London Heathrow Rome Fiumicino

3:15 pm - 5:10 pmTRS Trieste Ronchi dei Legionari-SEA Seattle/Tacoma Intl

34h 55m3 stops Rome Fiumicino Warsaw Frederic Chopin Istanbul

$2,135Multiple Airlines

Wed, Dec 30 - Sat, Jan 2

2:35 pm - 10:25 amSEA Seattle/Tacoma Intl-TRS Trieste Ronchi dei Legionari

34h 50m3 stops Reykjavik Keflavik Intl London Heathrow Rome Fiumicino

9:50 pm - 5:10 pmTRS Trieste Ronchi dei Legionari-SEA Seattle/Tacoma Intl

28h 20m2 stops Tirana Rinas Istanbul

$2,161Multiple Airlines

Wed, Dec 30 - Sat, Jan 2

7:00 am - 10:25 amSEA Seattle/Tacoma Intl-TRS Trieste Ronchi dei Legionari

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

6:35 am - 8:59 pmTRS Trieste Ronchi dei Legionari-SEA Seattle/Tacoma Intl

23h 24m2 stops Rome Fiumicino Toronto Pearson Intl

$2,162United Airlines

Wed, Dec 30 - Sat, Jan 2

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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

Feb 1

SEA7:00 amSeattle/Tacoma Intl

18h 25m

2 stops

TRS10:25 amTrieste Ronchi dei Legionari

Feb 5

TRS6:35 amTrieste Ronchi dei Legionari

24h 06m

2 stops

SEA9:41 pmSeattle/Tacoma Intl

$1,210

United Airlines

Feb 1

SEA7:00 amSeattle/Tacoma Intl

18h 25m

2 stops

TRS10:25 amTrieste Ronchi dei Legionari

Feb 5

TRS6:35 amTrieste Ronchi dei Legionari

48h 24m

3 stops

SEA9:59 pmSeattle/Tacoma Intl

$1,227

United Airlines

Feb 1

SEA8:30 amSeattle/Tacoma Intl

40h 55m

3 stops

TRS10:25 amTrieste Ronchi dei Legionari

Feb 5

TRS6:35 amTrieste Ronchi dei Legionari

48h 24m

3 stops

SEA9:59 pmSeattle/Tacoma Intl

$1,244

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleTrieste

SEA Seattle/Tacoma Intl - TRS Trieste Ronchi dei Legionari

SEATRS

Seattle/Tacoma Intl

Mon 2/1

7:00 am-10:25 am

2 stops18h 25m

Trieste Ronchi dei Legionari

Fri 2/5

6:35 am-9:41 pm

2 stops24h 06m

$1,210

SeattleTrieste

SEA Seattle/Tacoma Intl - TRS Trieste Ronchi dei Legionari

SEATRS

Seattle/Tacoma Intl

Mon 2/1

7:00 am-10:25 am

2 stops18h 25m

Trieste Ronchi dei Legionari

Fri 2/5

6:35 am-9:59 pm

3 stops48h 24m

$1,227

SeattleTrieste

SEA Seattle/Tacoma Intl - TRS Trieste Ronchi dei Legionari

SEATRS

Seattle/Tacoma Intl

Mon 2/1

8:30 am-10:25 am

3 stops40h 55m

Trieste Ronchi dei Legionari

Fri 2/5

6:35 am-9:59 pm

3 stops48h 24m

$1,244

Quickest round-trip

SeattleTrieste

SEA Seattle/Tacoma Intl - TRS Trieste Ronchi dei Legionari

SEATRS

Seattle/Tacoma Intl

Sun 12/6

7:00 am-10:25 am

2 stops18h 25m

Trieste Ronchi dei Legionari

Thu 12/10

6:35 am-8:59 pm

2 stops23h 24m

$1,503

SeattleTrieste

SEA Seattle/Tacoma Intl - TRS Trieste Ronchi dei Legionari

SEATRS

Seattle/Tacoma Intl

Wed 12/30

2:35 pm-10:25 am

3 stops34h 50m

Trieste Ronchi dei Legionari

Sat 1/2

3:15 pm-5:10 pm

3 stops34h 55m

$2,135

SeattleTrieste

SEA Seattle/Tacoma Intl - TRS Trieste Ronchi dei Legionari

SEATRS

Seattle/Tacoma Intl

Wed 12/30

2:35 pm-10:25 am

3 stops34h 50m

Trieste Ronchi dei Legionari

Sat 1/2

9:50 pm-5:10 pm

2 stops28h 20m

$2,161

SeattleTrieste

SEA Seattle/Tacoma Intl - TRS Trieste Ronchi dei Legionari

SEATRS

Seattle/Tacoma Intl

Wed 12/30

7:00 am-10:25 am

2 stops18h 25m

Trieste Ronchi dei Legionari

Sat 1/2

6:35 am-8:59 pm

2 stops23h 24m

$2,162

Cheapest one-way

SeattleTrieste

SEA Seattle/Tacoma Intl - TRS Trieste Ronchi dei Legionari

SEATRS

Seattle/Tacoma Intl

Tue 2/23

2:35 pm-6:30 pm

2 stops18h 55m

$1,519

SeattleTrieste

SEA Seattle/Tacoma Intl - TRS Trieste Ronchi dei Legionari

SEATRS

Seattle/Tacoma Intl

Thu 2/18

2:35 pm-6:30 pm

2 stops18h 55m

$2,162

SeattleTrieste

SEA Seattle/Tacoma Intl - TRS Trieste Ronchi dei Legionari

SEATRS

Seattle/Tacoma Intl

Sat 2/20

2:35 pm-6:30 pm

2 stops18h 55m

$2,388

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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 is the cheapest airline that flies from Washington to Trieste Ronchi dei Legionari?

Icelandair, KLM, and United Airlines are the most popular carriers operating from Washington to Trieste Ronchi dei Legionari

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 56% 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	$1,519
Fastest flight time	18h 22m
Direct flights	None

The best one-way flight to Trieste from State of Washington in the past 72 hours is $1,519. The best round-trip flight deal from State of Washington to Trieste found on momondo in the last 72 hours is $1,210.

The fastest flight from State of Washington to Trieste takes 18h 22m

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 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 $1,210

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 2/1. 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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