How long is the flight from State of Washington to Trieste?

Departing from State of Washington to Trieste will take you 15h. State of Washington and Trieste are separated by a distance of 5456 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

In terms of precipitation, rainfall in Trieste ranges from 2.4 - 4.5 inches per month. November is typically the wettest month, when rainfall can reach 4.5 in. February is typically the driest time to visit Trieste when rainfall is around 2.4 in.

If weather is an important factor for your trip to Trieste, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

What is the cheapest time of day to fly from WA to TRS?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from State of Washington to Trieste as you normally would.

What airport do you fly into for flights to Trieste from Washington?

If you book a flight to Trieste from Washington, you will be flying to Ronchi dei Legionari, which is the city’s only airport. Trieste Ronchi dei Legionari (TRS) is located 18.2 mi from the center of Trieste.

Can I find deals for flights from Washington to Trieste that include hotel bookings?

Yes. In addition to deals on Washington to Trieste flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Washington to Trieste?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Trieste.

Can I find deals for business class flights from Washington to Trieste?

Yes. Cheapflights offers flight deals from Washington to Trieste by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$327+ Flights from Washington to Trieste

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Washington to Trieste with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Washington to Trieste

Round-trip from	$642 (Expedia)
One-way from	$327 (Kiwi.com)

From Washington to Trieste Ronchi dei Legionari

Search Deals

One-way flight from Washington to Trieste Ronchi dei Legionari

Search Deals

Find flight deals from Washington to Trieste

Cheapest flights from Washington to Trieste
Explore the most affordable flight options available from Washington to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 19, 2025.

Mon 11/32:00 pmSEA - TRS

1 stop15h 00mLufthansa

Mon 11/102:40 pmTRS - SEA

1 stop30h 30mLufthansa

Deal found 9/19

$642

Wed 10/12:20 pmSEA - TRS

1 stop14h 45mLufthansa

Wed 10/152:45 pmTRS - SEA

2 stops32h 31mLufthansa

Deal found 9/18

$692

Wed 11/197:30 amPDX - TRS

2 stops30h 10mLufthansa

Sun 11/233:00 pmTRS - PDX

2 stops42h 26mLufthansa

Deal found 9/16

$706

Wed 9/242:20 pmSEA - TRS

1 stop14h 45mLufthansa

Wed 10/16:30 amTRS - SEA

1 stop14h 25mLufthansa

Deal found 9/18

$706

Wed 11/1212:35 pmSEA - TRS

2 stops25h 05mLufthansa

Sun 11/163:00 pmTRS - SEA

2 stops36h 52mLufthansa

Deal found 9/18

$707

Wed 11/197:00 amSEA - TRS

2 stops22h 05mLufthansa

Sun 11/233:00 pmTRS - SEA

1 stop30h 10mLufthansa

Deal found 9/16

$711

Tue 9/302:20 pmSEA - TRS

1 stop14h 45mLufthansa

Tue 10/146:30 amTRS - SEA

2 stops16h 46mLufthansa

Deal found 9/18

$712

Sun 9/282:20 pmSEA - TRS

1 stop14h 45mLufthansa

Fri 10/176:30 amTRS - SEA

1 stop14h 25mLufthansa

Deal found 9/18

$717

Wed 11/197:00 amPDX - TRS

2 stops18h 25mUnited Airlines

Sun 11/236:35 amTRS - PDX

3 stops38h 38mUnited Airlines

Deal found 9/18

$1,955

Wed 10/18:08 amPDX - TRS

2 stops17h 17mUnited Airlines

Tue 10/76:35 amTRS - PDX

2 stops22h 45mUnited Airlines

Deal found 9/18

$2,586

Best flights from Washington to Trieste
Discover carefully curated flight deals from Washington to Trieste that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 19, 2025.

Mon 11/32:00 pmSEA - TRS

1 stop15h 00mLufthansa

Mon 11/102:40 pmTRS - SEA

1 stop30h 30mLufthansa

Deal found 9/19

$642

Wed 11/197:00 amSEA - TRS

2 stops22h 05mLufthansa

Sun 11/233:00 pmTRS - SEA

1 stop30h 10mLufthansa

Deal found 9/17

$696

Wed 11/127:00 amSEA - TRS

2 stops22h 05mLufthansa

Sun 11/163:00 pmTRS - SEA

1 stop30h 10mLufthansa

Deal found 9/18

$697

Wed 11/197:30 amPDX - TRS

2 stops30h 10mLufthansa

Sun 11/233:00 pmTRS - PDX

2 stops42h 26mLufthansa

Deal found 9/16

$706

Wed 10/12:20 pmSEA - TRS

1 stop14h 45mLufthansa

Tue 10/146:30 amTRS - SEA

2 stops16h 46mLufthansa

Deal found 9/18

$712

Wed 11/197:00 amPDX - TRS

2 stops18h 25mUnited Airlines

Sun 11/236:35 amTRS - PDX

3 stops38h 38mUnited Airlines

Deal found 9/17

$1,955

Tue 9/302:20 pmSEA - TRS

1 stop14h 45mLufthansa

Wed 10/156:30 amTRS - SEA

1 stop14h 25mLufthansa

Deal found 9/18

$712

Wed 10/12:20 pmSEA - TRS

1 stop14h 45mLufthansa

Thu 10/166:30 amTRS - SEA

1 stop14h 25mLufthansa

Deal found 9/18

$712

Tue 9/302:20 pmSEA - TRS

1 stop14h 45mLufthansa

Tue 10/146:30 amTRS - SEA

2 stops16h 46mLufthansa

Deal found 9/18

$712

Wed 10/18:08 amPDX - TRS

2 stops17h 17mUnited Airlines

Tue 10/76:35 amTRS - PDX

2 stops22h 45mUnited Airlines

Deal found 9/18

$2,586

Last-minute flights from Washington to Trieste
Discover last-minute flight deals from Washington to Trieste. Data last updated September 19, 2025 and is based on user searches.

Wed 9/242:20 pmSEA - TRS

1 stop14h 45mLufthansa

Wed 10/16:30 amTRS - SEA

1 stop14h 25mLufthansa

Deal found 9/18

$706

Wed 9/242:20 pmSEA - TRS

1 stop14h 45mLufthansa

Tue 9/306:30 amTRS - SEA

1 stop14h 25mLufthansa

Deal found 9/18

$724

Sun 9/282:20 pmSEA - TRS

1 stop14h 45mLufthansa

Fri 10/176:30 amTRS - SEA

1 stop14h 25mLufthansa

Deal found 9/18

$717

Sun 9/282:20 pmSEA - TRS

1 stop14h 45mLufthansa

Wed 10/156:30 amTRS - SEA

2 stops23h 14mLufthansa

Deal found 9/18

$728

Tue 9/302:20 pmSEA - TRS

1 stop14h 45mLufthansa

Thu 10/166:30 amTRS - SEA

1 stop14h 25mLufthansa

Deal found 9/18

$712

Tue 9/302:20 pmSEA - TRS

1 stop14h 45mMultiple Airlines

Wed 10/156:30 amTRS - SEA

2 stops21h 06mMultiple Airlines

Deal found 9/18

$726

Tue 9/301:57 pmSEA - TRS

2 stops23h 38mLufthansa

Wed 10/156:30 amTRS - SEA

2 stops23h 14mLufthansa

Deal found 9/18

$732

Wed 10/12:20 pmSEA - TRS

1 stop14h 45mLufthansa

Wed 10/152:45 pmTRS - SEA

2 stops32h 31mLufthansa

Deal found 9/18

$692

Wed 10/18:08 amPDX - TRS

2 stops17h 17mUnited Airlines

Tue 10/76:35 amTRS - PDX

2 stops22h 45mUnited Airlines

Deal found 9/18

$2,586

Sun 10/57:00 amSEA - TRS

2 stops30h 35mLufthansa

Thu 10/166:30 amTRS - SEA

2 stops21h 06mLufthansa

Deal found 9/18

$722

One-way flights from Washington to Trieste
Search for one-way flight options from Washington to Trieste. Find affordable one-way fares based on user searches. Data last updated September 19, 2025.

Sat 10/111:45 pmPDX - TRS

3 stops46h 10mMultiple Airlines

Deal found 9/18

$327

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington to Trieste that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleTrieste

SEA - TRS

SEATRS

Seattle/Tacoma Intl

Mon 11/3

2:00 pm-2:00 pm

1 stop15h 00m

Trieste Ronchi dei Legionari

Mon 11/10

2:40 pm-12:10 pm

1 stop30h 30m

$642

SeattleTrieste

SEA - TRS

SEATRS

Seattle/Tacoma Intl

Wed 11/19

7:00 am-2:05 pm

2 stops22h 05m

Trieste Ronchi dei Legionari

Sun 11/23

3:00 pm-12:10 pm

1 stop30h 10m

$696

SeattleTrieste

SEA - TRS

SEATRS

Seattle/Tacoma Intl

Wed 11/12

7:00 am-2:05 pm

2 stops22h 05m

Trieste Ronchi dei Legionari

Sun 11/16

3:00 pm-12:10 pm

1 stop30h 10m

$697

PortlandTrieste

PDX - TRS

PDXTRS

Portland

Wed 11/19

7:30 am-10:40 pm

2 stops30h 10m

Trieste Ronchi dei Legionari

Sun 11/23

3:00 pm-12:26 am

2 stops42h 26m

$706

SeattleTrieste

SEA - TRS

SEATRS

Seattle/Tacoma Intl

Wed 10/1

2:20 pm-2:05 pm

1 stop14h 45m

Trieste Ronchi dei Legionari

Tue 10/14

6:30 am-2:16 pm

2 stops16h 46m

$712

SeattleTrieste

SEA - TRS

SEATRS

Seattle/Tacoma Intl

Tue 9/30

2:20 pm-2:05 pm

1 stop14h 45m

Trieste Ronchi dei Legionari

Wed 10/15

6:30 am-11:55 am

1 stop14h 25m

$712

SeattleTrieste

SEA - TRS

SEATRS

Seattle/Tacoma Intl

Wed 10/1

2:20 pm-2:05 pm

1 stop14h 45m

Trieste Ronchi dei Legionari

Thu 10/16

6:30 am-11:55 am

1 stop14h 25m

$712

SeattleTrieste

SEA - TRS

SEATRS

Seattle/Tacoma Intl

Tue 9/30

2:20 pm-2:05 pm

1 stop14h 45m

Trieste Ronchi dei Legionari

Tue 10/14

6:30 am-2:16 pm

2 stops16h 46m

$712

PortlandTrieste

PDX - TRS

PDXTRS

Portland

Wed 11/19

7:00 am-10:25 am

2 stops18h 25m

Trieste Ronchi dei Legionari

Sun 11/23

6:35 am-12:13 pm

3 stops38h 38m

$1,955

PortlandTrieste

PDX - TRS

PDXTRS

Portland

Wed 10/1

8:08 am-10:25 am

2 stops17h 17m

Trieste Ronchi dei Legionari

Tue 10/7

6:35 am-8:20 pm

2 stops22h 45m

$2,586

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/18

Showing 1-10 of 11 results

Best time to book a flight from Washington to Trieste

Have a flexible travel schedule? Discover the best time to fly to Trieste from Washington with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington to Trieste

No data available for this route at this time. Please check back soon.

Related info for your journey

What airport do you fly into for flights to Trieste from Washington?
If you book a flight to Trieste from Washington, you will be flying to Ronchi dei Legionari, which is the city’s only airport. Trieste Ronchi dei Legionari (TRS) is located 18.2 mi from the center of Trieste.
How long is the flight from State of Washington to Trieste?
Departing from State of Washington to Trieste will take you 15h. State of Washington and Trieste are separated by a distance of 5456 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
Can I find deals for flights from Washington to Trieste that include hotel bookings?
Yes. In addition to deals on Washington to Trieste flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington to Trieste?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Trieste.
Can I find deals for business class flights from Washington to Trieste?
Yes. Cheapflights offers flight deals from Washington to Trieste by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Washington to Trieste

John F Kennedy Intl to Vicenza flights

Newark to Vicenza flights

Dulles Intl to Vicenza flights

Los Angeles to Vicenza flights

LaGuardia to Vicenza flights

Boston to Vicenza flights

Hobby to Vicenza flights

Reagan-National to Vicenza flights

Baltimore to Vicenza flights

Dallas/Fort Worth to Vicenza flights

Philadelphia to Vicenza flights

Atlanta to Vicenza flights

O'Hare Intl to Vicenza flights

Minneapolis to Vicenza flights

San Francisco to Vicenza flights

George Bush Intcntl to Vicenza flights

Miami to Vicenza flights

Sky Harbor Intl to Vicenza flights

Seattle to Vicenza flights

Orlando to Vicenza flights

Midway to Vicenza flights

Ontario to Vicenza flights

Denver to Vicenza flights

Portland to Vicenza flights

Raleigh to Vicenza flights

Santa Ana to Vicenza flights

Love Field to Vicenza flights

Detroit to Vicenza flights

Tampa to Vicenza flights

Milwaukee to Vicenza flights

Austin to Vicenza flights

Charlotte to Vicenza flights

San Diego to Vicenza flights

Burbank to Vicenza flights

Indianapolis to Vicenza flights

St. Louis to Vicenza flights

Columbus to Vicenza flights

Sacramento to Vicenza flights

Syracuse to Vicenza flights

Cleveland to Vicenza flights

Kansas City to Vicenza flights

Jacksonville to Vicenza flights

Fort Lauderdale to Vicenza flights

San Antonio to Vicenza flights

Santa Fe to Vicenza flights

Los Angeles to Trieste flights

Las Vegas to Vicenza flights

Dayton to Vicenza flights

West Palm Beach to Vicenza flights

Salt Lake City to Vicenza flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$327+ Cheap flights from Washington to Trieste (TRS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington to Trieste with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Washington to Trieste

Keep the following information in mind while searching for Washington to Trieste flight deals. Data was last updated September 19, 2025.

Round-trip from

One-way from

Find flight deals from Washington to Trieste

Cheapest flights from Washington to TriesteExplore the most affordable flight options available from Washington to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 19, 2025.

Explore the most affordable flight options available from Washington to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 19, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington to Trieste that are best for you.

Best time to book a flight from Washington to Trieste

Have a flexible travel schedule? Discover the best time to fly to Trieste from Washington with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington to Trieste

Related info for your journey

Find useful and relevant information for your journey from Washington to Trieste. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Trieste from Washington?

How long is the flight from State of Washington to Trieste?

Can I find deals for flights from Washington to Trieste that include hotel bookings?

How can I find direct flights from Washington to Trieste?

Can I find deals for business class flights from Washington to Trieste?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington to Trieste

See prices for flight routes from nearby airports that may be better suited for you.

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Washington to Trieste
Explore the most affordable flight options available from Washington to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 19, 2025.