How long does it take to fly to Trieste?

Average flight duration from Washington, D.C. to Trieste depends on which airport you fly into and out of. Flying from Washington, D.C. to Venice Marco Polo Airport is 11h 30m on average, while flying from Baltimore to Venice Marco Polo Airport is 12h 15m on average. Venice Marco Polo Airport is the most popular airport in Trieste.

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

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

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. 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 you'll need for your trip to Trieste Ronchi dei Legionari Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Trieste Ronchi dei Legionari Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$285 Cheap Flights from Washington, D.C. to Trieste in 2026/27

Find the cheapest flights from Washington, D.C. to Trieste

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10:14 am - 2:30 pmIAD Washington, D.C. Dulles Intl-TRS Trieste Ronchi dei Legionari

22h 16m2 stops Atlanta Hartsfield-Jackson Rome Fiumicino

6:35 am - 8:10 pmTRS Trieste Ronchi dei Legionari-IAD Washington, D.C. Dulles Intl

19h 35m2 stops Rome Fiumicino Atlanta Hartsfield-Jackson

$658KLM

Wed, Oct 14 - Tue, Nov 17

12:32 pm - 2:30 pmIAD Washington, D.C. Dulles Intl-TRS Trieste Ronchi dei Legionari

19h 58m2 stops Atlanta Hartsfield-Jackson Rome Fiumicino

6:35 am - 12:41 amTRS Trieste Ronchi dei Legionari-IAD Washington, D.C. Dulles Intl

24h 06m2 stops Rome Fiumicino Atlanta Hartsfield-Jackson

$667KLM

Tue, Nov 10 - Tue, Nov 24

12:29 pm - 2:30 pmDCA Washington, D.C. Reagan-National-TRS Trieste Ronchi dei Legionari

20h 01m2 stops Atlanta Hartsfield-Jackson Rome Fiumicino

6:35 am - 5:59 pmTRS Trieste Ronchi dei Legionari-DCA Washington, D.C. Reagan-National

17h 24m2 stops Rome Fiumicino Boston Logan Intl

$667KLM

Tue, Nov 10 - Tue, Nov 24

5:13 pm - 2:30 pmIAD Washington, D.C. Dulles Intl-TRS Trieste Ronchi dei Legionari

15h 17m2 stops Detroit Metropolitan Wayne County Rome Fiumicino

6:35 am - 11:21 pmTRS Trieste Ronchi dei Legionari-IAD Washington, D.C. Dulles Intl

22h 46m2 stops Rome Fiumicino Detroit Metropolitan Wayne County

$696KLM

Mon, Oct 12 - Tue, Nov 17

5:05 pm - 2:30 pmDCA Washington, D.C. Reagan-National-TRS Trieste Ronchi dei Legionari

15h 25m2 stops New York John F Kennedy Intl Rome Fiumicino

6:35 am - 7:59 pmTRS Trieste Ronchi dei Legionari-DCA Washington, D.C. Reagan-National

19h 24m2 stops Rome Fiumicino Boston Logan Intl

$696KLM

Mon, Oct 12 - Tue, Nov 17

5:05 pm - 6:30 pmDCA Washington, D.C. Reagan-National-TRS Trieste Ronchi dei Legionari

19h 25m2 stops New York John F Kennedy Intl Rome Fiumicino

6:35 am - 8:41 pmTRS Trieste Ronchi dei Legionari-DCA Washington, D.C. Reagan-National

20h 06m2 stops Rome Fiumicino Atlanta Hartsfield-Jackson

$698KLM

Tue, Oct 20 - Fri, Nov 20

5:45 pm - 10:55 pmIAD Washington, D.C. Dulles Intl-TRS Trieste Ronchi dei Legionari

23h 10m3 stops Lisbon Humberto Delgado Madrid Barajas Rome Fiumicino

6:35 am - 8:30 pmTRS Trieste Ronchi dei Legionari-IAD Washington, D.C. Dulles Intl

43h 55m3 stops Rome Fiumicino Madrid Barajas Lisbon Humberto Delgado

$809Multiple Airlines

Wed, Oct 14 - Tue, Nov 17

1:20 pm - 10:55 pmDCA Washington, D.C. Reagan-National-TRS Trieste Ronchi dei Legionari

27h 35m3 stops Boston Logan Intl Madrid Barajas Rome Fiumicino

6:35 am - 4:37 pmTRS Trieste Ronchi dei Legionari-DCA Washington, D.C. Reagan-National

40h 02m3 stops Rome Fiumicino Madrid Barajas New York John F Kennedy Intl

$815Multiple Airlines

Wed, Oct 14 - Tue, Nov 17

11:25 am - 3:25 pmIAD Washington, D.C. Dulles Intl-TRS Trieste Ronchi dei Legionari

22h 00m2 stops Toronto Island Dublin

10:25 am - 7:20 pmTRS Trieste Ronchi dei Legionari-IAD Washington, D.C. Dulles Intl

14h 55m1 stop Dublin

$840Multiple Airlines

Sat, Oct 17 - Fri, Nov 20

4:45 pm - 2:30 pmBWI Baltimore/Washington-TRS Trieste Ronchi dei Legionari

16h 45m2 stops Atlanta Hartsfield-Jackson Rome Fiumicino

6:35 am - 12:31 amTRS Trieste Ronchi dei Legionari-BWI Baltimore/Washington

23h 56m2 stops Rome Fiumicino Atlanta Hartsfield-Jackson

$849KLM

Thu, Oct 29 - Thu, Nov 5

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United Airlines flights from Washington, D.C. to Trieste

Our best United Airlines deals on Washington, D.C. to Trieste flight tickets

United Airlines

Nov 13

BWI12:34 pmBaltimore/Washington

15h 51m

2 stops

TRS10:25 amTrieste Ronchi dei Legionari

Nov 20

TRS6:35 amTrieste Ronchi dei Legionari

18h 34m

2 stops

BWI7:09 pmBaltimore/Washington

$1,796

United Airlines

Nov 13

BWI10:09 amBaltimore/Washington

18h 16m

2 stops

TRS10:25 amTrieste Ronchi dei Legionari

Nov 17

TRS6:35 amTrieste Ronchi dei Legionari

21h 07m

2 stops

BWI9:42 pmBaltimore/Washington

$1,852

United Airlines

Nov 13

BWI10:09 amBaltimore/Washington

18h 16m

2 stops

TRS10:25 amTrieste Ronchi dei Legionari

Nov 17

TRS6:35 amTrieste Ronchi dei Legionari

21h 07m

2 stops

BWI9:42 pmBaltimore/Washington

$1,871

KLM flights from Washington, D.C. to Trieste

Our best KLM deals on Washington, D.C. to Trieste flight tickets

KLM

Oct 14

IAD10:14 amWashington, D.C. Dulles Intl

22h 16m

2 stops

TRS2:30 pmTrieste Ronchi dei Legionari

Nov 17

TRS6:35 amTrieste Ronchi dei Legionari

19h 35m

2 stops

IAD8:10 pmWashington, D.C. Dulles Intl

$658

KLM

Nov 10

DCA12:29 pmWashington, D.C. Reagan-National

20h 01m

2 stops

TRS2:30 pmTrieste Ronchi dei Legionari

Nov 24

TRS6:35 amTrieste Ronchi dei Legionari

17h 24m

2 stops

DCA5:59 pmWashington, D.C. Reagan-National

$667

KLM

Oct 12

DCA5:05 pmWashington, D.C. Reagan-National

15h 25m

2 stops

TRS2:30 pmTrieste Ronchi dei Legionari

Nov 17

TRS6:35 amTrieste Ronchi dei Legionari

19h 24m

2 stops

DCA7:59 pmWashington, D.C. Reagan-National

$696

momondo Fare Finder

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

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Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Trieste

IAD Washington, D.C. Dulles Intl - TRS Trieste Ronchi dei Legionari

IADTRS

Washington, D.C. Dulles Intl

Wed 10/14

10:14 am-2:30 pm

2 stops22h 16m

Trieste Ronchi dei Legionari

Tue 11/17

6:35 am-8:10 pm

2 stops19h 35m

$658

Washington, D.C.Trieste

IAD Washington, D.C. Dulles Intl - TRS Trieste Ronchi dei Legionari

IADTRS

Washington, D.C. Dulles Intl

Tue 11/10

12:32 pm-2:30 pm

2 stops19h 58m

Trieste Ronchi dei Legionari

Tue 11/24

6:35 am-12:41 am

2 stops24h 06m

$667

Washington, D.C.Trieste

DCA Washington, D.C. Reagan-National - TRS Trieste Ronchi dei Legionari

DCATRS

Washington, D.C. Reagan-National

Tue 11/10

12:29 pm-2:30 pm

2 stops20h 01m

Trieste Ronchi dei Legionari

Tue 11/24

6:35 am-5:59 pm

2 stops17h 24m

$667

Washington, D.C.Trieste

IAD Washington, D.C. Dulles Intl - TRS Trieste Ronchi dei Legionari

IADTRS

Washington, D.C. Dulles Intl

Mon 10/12

5:13 pm-2:30 pm

2 stops15h 17m

Trieste Ronchi dei Legionari

Tue 11/17

6:35 am-11:21 pm

2 stops22h 46m

$696

Quickest round-trip

Washington, D.C.Trieste

DCA Washington, D.C. Reagan-National - TRS Trieste Ronchi dei Legionari

DCATRS

Washington, D.C. Reagan-National

Mon 10/12

5:05 pm-2:30 pm

2 stops15h 25m

Trieste Ronchi dei Legionari

Tue 11/17

6:35 am-7:59 pm

2 stops19h 24m

$696

Washington, D.C.Trieste

DCA Washington, D.C. Reagan-National - TRS Trieste Ronchi dei Legionari

DCATRS

Washington, D.C. Reagan-National

Tue 10/20

5:05 pm-6:30 pm

2 stops19h 25m

Trieste Ronchi dei Legionari

Fri 11/20

6:35 am-8:41 pm

2 stops20h 06m

$698

Washington, D.C.Trieste

IAD Washington, D.C. Dulles Intl - TRS Trieste Ronchi dei Legionari

IADTRS

Washington, D.C. Dulles Intl

Wed 10/14

5:45 pm-10:55 pm

3 stops23h 10m

Trieste Ronchi dei Legionari

Tue 11/17

6:35 am-8:30 pm

3 stops43h 55m

$809

Washington, D.C.Trieste

DCA Washington, D.C. Reagan-National - TRS Trieste Ronchi dei Legionari

DCATRS

Washington, D.C. Reagan-National

Wed 10/14

1:20 pm-10:55 pm

3 stops27h 35m

Trieste Ronchi dei Legionari

Tue 11/17

6:35 am-4:37 pm

3 stops40h 02m

$815

Washington, D.C.Trieste

IAD Washington, D.C. Dulles Intl - TRS Trieste Ronchi dei Legionari

IADTRS

Washington, D.C. Dulles Intl

Sat 10/17

11:25 am-3:25 pm

2 stops22h 00m

Trieste Ronchi dei Legionari

Fri 11/20

10:25 am-7:20 pm

1 stop14h 55m

$840

BaltimoreTrieste

BWI Baltimore/Washington - TRS Trieste Ronchi dei Legionari

BWITRS

Baltimore/Washington

Thu 10/29

4:45 pm-2:30 pm

2 stops16h 45m

Trieste Ronchi dei Legionari

Thu 11/5

6:35 am-12:31 am

2 stops23h 56m

$849

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 Washington, D.C. 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, D.C. to Trieste Ronchi dei Legionari?

Lufthansa is the most popular carrier operating from Washington, D.C. to Trieste Ronchi dei Legionari

What airlines fly to Trieste?

United Airlines, Turkish Airlines and TAP AIR PORTUGAL are the top three most popular airlines that fly to Trieste from Washington, D.C. according to our data. United Airlines is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Trieste. Keep in mind that there are 9 different airlines that fly to Trieste on a routine basis, so you have a few additional options to choose from.

When to book flights from Washington, D.C. to Trieste

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Trieste according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Washington, D.C. to Trieste (WAS to TRS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Trieste

Best Price Found	$285
Fastest flight time	11h 55m
Direct flights	None

The best one-way flight to Trieste from Washington, D.C. in the past 72 hours is $285. The best round-trip flight deal from Washington, D.C. to Trieste found on momondo in the last 72 hours is $658.

The fastest flight from Washington, D.C. to Trieste takes 11h 55m

There are no direct flights from Washington, D.C. to Trieste. There are no popular flight routes from Washington, D.C. to Trieste.

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Frequently asked questions about flying from Washington, D.C. to Trieste

How far is Washington, D.C. to Trieste Ronchi dei Legionari by plane?
A flight from Washington, D.C. to Trieste Ronchi dei Legionari will travel around 4405.3 mi. Flights usually cover this in 11h 55m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Washington, D.C. to Trieste Ronchi dei Legionari Airport?
Prices for flights from Washington, D.C. to Trieste Ronchi dei Legionari Airport are updated daily.
How old do you have to be to fly from Washington, D.C. to Trieste Ronchi dei Legionari Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. 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 you'll need for your trip to Trieste Ronchi dei Legionari Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Trieste Ronchi dei Legionari Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Washington, D.C. to Trieste?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Washington, D.C. to Trieste is ITA Airways (100% of total bookings).

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Why should I use momondo to find a flight deal from Washington, D.C. to Trieste?

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Can I find flights from Washington, D.C. to Trieste with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington, D.C. to Trieste flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Trieste?

Once you have performed a search for Washington, D.C. to Trieste flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Trieste, momondo offers a useful price alert feature which will track prices for flights to Trieste from Washington, D.C. and alert you when they change.

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Cheap flights from Washington, D.C. to Trieste from $285

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, D.C. 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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United Airlines flights from Washington, D.C. to Trieste

Our best United Airlines deals on Washington, D.C. to Trieste flight tickets

KLM flights from Washington, D.C. to Trieste

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How to get the cheapest flight ticket from Washington, D.C. to Trieste

What is the cheapest airline that flies from Washington, D.C. to Trieste Ronchi dei Legionari?

What airlines fly to Trieste?

How long does it take to fly to Trieste?

When to book flights from Washington, D.C. to Trieste

Cheap Washington, D.C. to Trieste (WAS to TRS) flight deals and tips

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List of cabin classes available on flights landing in Trieste. Availability may vary depending on flight origin and airline.

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