What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Trieste round-trip?

According to our current data, ITA Airways ($1,054), Lufthansa ($1,527), and Austrian Airlines ($1,748) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to Trieste.

What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Trieste one-way?

One-way options have recently been found by users for as low as $863 on ITA Airways. Other airlines that offer cheap prices include Lufthansa from $949 and Austrian Airlines from $1,313 one-way.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Trieste?

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Trieste flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly round-trip from Washington, D.C. Dulles Intl Airport to Trieste?

Users have found that flying from Washington, D.C. Dulles Intl Airport to Trieste on a Thursday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

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

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

Most accurate provider : When it comes to deals on Washington, D.C. Dulles Intl Airport-Trieste flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Washington, D.C. Dulles Intl Airport-Trieste flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Trieste flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Washington, D.C. Dulles Intl Airport-Trieste flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Trieste flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly into for flights to Trieste from Washington, D.C. Dulles Intl?

Trieste Ronchi dei Legionari (TRS) is the airport you will fly into if you book a flight from Washington, D.C. Dulles Intl to Trieste. You should not have trouble finding flights to Ronchi dei Legionari from Washington, D.C. Dulles Intl; the airport handles an average of 0 inbound flights from Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 1 airline has flights to the Trieste airport from Washington, D.C. Dulles Intl. It is only a 18.2 mi journey from Ronchi dei Legionari (TRS) to Trieste’s city center.

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

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

How can I find direct flights from Dulles Intl to Trieste?

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

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

Yes. Cheapflights offers flight deals from Dulles Intl 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.

$379+ Flights from Washington, D.C. Dulles Intl Airport to Trieste - Compare & Save Big

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Cheap flight deals from Dulles Intl to Trieste

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$1,054 (oojo)
One-way from	$379 (Kiwi.com)

Provider with most accurate pricing for Washington, D.C. Dulles Intl-Trieste Ronchi dei Legionari flight deals.

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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Trieste Ronchi dei Legionari flights.

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From Washington, D.C. Dulles Intl to Trieste Ronchi dei Legionari

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One-way flight from Washington, D.C. Dulles Intl to Trieste Ronchi dei Legionari

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Find flight deals from Dulles Intl to Trieste

Cheapest flights from Dulles Intl to Trieste
Explore the most affordable flight options available from Dulles Intl to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

Fri 6/64:30 pmIAD - TRS

1 stop16h 00mITA Airways

Sun 6/1511:15 amTRS - IAD

1 stop33h 25mITA Airways

Deal found 4/29

$1,054

Fri 6/61:30 pmIAD - TRS

2 stops23h 00mMultiple Airlines

Sun 6/1511:15 amTRS - IAD

2 stops30h 30mMultiple Airlines

Deal found 4/29

$1,324

Tue 5/206:10 pmIAD - TRS

1 stop13h 55mLufthansa

Tue 6/106:30 amTRS - IAD

1 stop13h 00mLufthansa

Deal found 4/28

$1,527

Tue 5/205:25 pmIAD - TRS

2 stops23h 30mAustrian Airlines

Tue 6/107:15 pmTRS - IAD

2 stops25h 20mAustrian Airlines

Deal found 4/28

$1,748

Best flights from Dulles Intl to Trieste
Discover carefully curated flight deals from Dulles Intl to Trieste that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 29, 2025.

Fri 6/64:30 pmIAD - TRS

1 stop11h 55mITA Airways

Sun 6/157:15 pmTRS - IAD

1 stop25h 25mITA Airways

Deal found 4/28

$1,054

Fri 6/61:30 pmIAD - TRS

2 stops23h 00mMultiple Airlines

Sun 6/156:35 amTRS - IAD

2 stops35h 10mMultiple Airlines

Deal found 4/28

$1,324

Tue 5/206:10 pmIAD - TRS

1 stop13h 55mLufthansa

Tue 6/106:30 amTRS - IAD

1 stop13h 00mLufthansa

Deal found 4/28

$1,527

Tue 5/205:25 pmIAD - TRS

2 stops23h 30mAustrian Airlines

Tue 6/107:15 pmTRS - IAD

2 stops25h 20mAustrian Airlines

Deal found 4/28

$1,748

Last-minute flights from Dulles Intl to Trieste
Discover last-minute flight deals from Dulles Intl to Trieste. Data last updated April 29, 2025 and is based on user searches.

Tue 5/138:33 pmIAD - TRS

2 stops39h 57mITA Airways

Fri 5/236:35 amTRS - IAD

1 stop14h 05mITA Airways

Deal found 4/28

$4,591

Tue 5/138:30 pmIAD - TRS

2 stops16h 00mMultiple Airlines

Fri 5/2311:15 amTRS - IAD

2 stops16h 55mMultiple Airlines

Deal found 4/28

$4,605

Tue 5/206:10 pmIAD - TRS

1 stop13h 55mLufthansa

Tue 6/106:30 amTRS - IAD

1 stop13h 00mLufthansa

Deal found 4/28

$1,527

Tue 5/205:25 pmIAD - TRS

2 stops23h 30mAustrian Airlines

Tue 6/107:15 pmTRS - IAD

2 stops25h 20mAustrian Airlines

Deal found 4/28

$1,748

One-way flights from Dulles Intl to Trieste
Search for one-way flight options from Dulles Intl to Trieste. Find affordable one-way fares based on user searches. Data last updated April 29, 2025.

Mon 6/1611:35 amIAD - TRS

3 stops45h 50mMultiple Airlines

Deal found 4/29

$379

Mon 6/94:30 pmIAD - TRS

1 stop11h 55mITA Airways

Deal found 4/28

$863

Wed 6/116:10 pmIAD - TRS

1 stop13h 55mLufthansa

Deal found 4/29

$949

Tue 7/15:25 pmIAD - TRS

2 stops35h 00mAustrian Airlines

Deal found 4/28

$1,313

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Trieste

IAD - TRS

IADTRS

Washington, D.C. Dulles Intl

Fri 6/6

4:30 pm-2:30 pm

1 stop16h 00m

Trieste Ronchi dei Legionari

Sun 6/15

11:15 am-2:40 pm

1 stop33h 25m

$1,054

Washington, D.C.Trieste

IAD - TRS

IADTRS

Washington, D.C. Dulles Intl

Fri 6/6

1:30 pm-6:30 pm

2 stops23h 00m

Trieste Ronchi dei Legionari

Sun 6/15

11:15 am-11:45 am

2 stops30h 30m

$1,324

Washington, D.C.Trieste

IAD - TRS

IADTRS

Washington, D.C. Dulles Intl

Tue 5/20

6:10 pm-2:05 pm

1 stop13h 55m

Trieste Ronchi dei Legionari

Tue 6/10

6:30 am-1:30 pm

1 stop13h 00m

$1,527

Washington, D.C.Trieste

IAD - TRS

IADTRS

Washington, D.C. Dulles Intl

Tue 5/20

5:25 pm-10:55 pm

2 stops23h 30m

Trieste Ronchi dei Legionari

Tue 6/10

7:15 pm-2:35 pm

2 stops25h 20m

$1,748

Washington, D.C.Trieste

IAD - TRS

IADTRS

Washington, D.C. Dulles Intl

Mon 6/16

11:35 am-3:25 pm

3 stops45h 50m

$379

Washington, D.C.Trieste

IAD - TRS

IADTRS

Washington, D.C. Dulles Intl

Mon 10/13

4:30 pm-10:25 am

1 stop11h 55m

$503

Washington, D.C.Trieste

IAD - TRS

IADTRS

Washington, D.C. Dulles Intl

Wed 6/11

6:10 pm-2:05 pm

1 stop13h 55m

$949

Washington, D.C.Trieste

IAD - TRS

IADTRS

Washington, D.C. Dulles Intl

Tue 7/1

5:25 pm-10:25 am

2 stops35h 00m

$1,313

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Trieste flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Washington, D.C. Dulles Intl Airport-Trieste flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Trieste flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Trieste flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Trieste flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Dulles Intl to Trieste

Have a flexible travel schedule? Discover the best time to fly to Trieste from Dulles Intl 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, D.C. Dulles Intl Airport to Trieste

Rainfall in Trieste by month

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.

Temperature in Trieste by month

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).

Reviews of airlines servicing Trieste

Austrian Airlines

7.6

Good

780 reviews

Reviews

1 / 20

8.0

Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.

Austrian Airlines

7.6

Good

780 reviews

Austrian Airlines

7.6

Good

780 reviews

Reviews

1 / 20

8.0

Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.

ITA Airways

6.7

Okay

967 reviews

Austrian Airlines

7.6

Good

780 reviews

Reviews

1 / 20

8.0

Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.

Lufthansa

6.7

Okay

7,042 reviews

Austrian Airlines

7.6

Good

780 reviews

Reviews

1 / 20

8.0

Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.

Related info for your journey

What airport do you fly into for flights to Trieste from Washington, D.C. Dulles Intl?
Trieste Ronchi dei Legionari (TRS) is the airport you will fly into if you book a flight from Washington, D.C. Dulles Intl to Trieste. You should not have trouble finding flights to Ronchi dei Legionari from Washington, D.C. Dulles Intl; the airport handles an average of 0 inbound flights from Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 1 airline has flights to the Trieste airport from Washington, D.C. Dulles Intl. It is only a 18.2 mi journey from Ronchi dei Legionari (TRS) to Trieste’s city center.
What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Trieste round-trip?
According to our current data, ITA Airways ($1,054), Lufthansa ($1,527), and Austrian Airlines ($1,748) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to Trieste.
What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Trieste one-way?
One-way options have recently been found by users for as low as $863 on ITA Airways. Other airlines that offer cheap prices include Lufthansa from $949 and Austrian Airlines from $1,313 one-way.
Can I find deals for flights from Dulles Intl to Trieste that include hotel bookings?
Yes. In addition to deals on Dulles Intl to Trieste flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to Trieste?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Trieste.
Can I find deals for business class flights from Dulles Intl to Trieste?
Yes. Cheapflights offers flight deals from Dulles Intl 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.

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Alternative routes for Dulles Intl to Trieste

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Top airline flying from Dulles Intl to Trieste

Airline	Cheapest	Average	Flexibility	On-time
ITA Airways	Cheapest$664	Average$758	FlexibilityNo cancel fee	On-time81%

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$379+ Cheap flights from Dulles Intl (IAD) 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 6/16. Fares are subject to change and may not be available on all flights or dates of travel.

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2. Select your favorite providers

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Find flight deals from Dulles Intl to Trieste

Cheapest flights from Dulles Intl to TriesteExplore the most affordable flight options available from Dulles Intl to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

Explore the most affordable flight options available from Dulles Intl to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Dulles Intl to Trieste

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

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Trieste

Rainfall in Trieste by month

Plan your trip to Trieste by taking into account the average rainfall totals by month.

Temperature in Trieste by month

Plan your trip to Trieste by taking into account the average temperature totals by month.

Reviews of airlines servicing Trieste

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl 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, D.C. Dulles Intl?

What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Trieste round-trip?

What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Trieste one-way?

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

How can I find direct flights from Dulles Intl to Trieste?

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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

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Alternative routes for Dulles Intl to Trieste

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Top airline flying from Dulles Intl to Trieste

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Cheapest flights from Dulles Intl to Trieste
Explore the most affordable flight options available from Dulles Intl to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.