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Trieste

$287+ Cheap flights from District of Columbia 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 10/25. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — TRS
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from District of Columbia to Trieste

Keep the following information in mind while searching for District of Columbia to Trieste flight deals. Data was last updated September 16, 2025.

Round-trip from

$755
(Mytrip)

One-way from

$287
(Kiwi.com)
From District of Columbia to Trieste Ronchi dei Legionari
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One-way flight from District of Columbia to Trieste Ronchi dei Legionari
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Find flight deals from District of Columbia to Trieste

Cheapest flights from District of Columbia to Trieste
Explore the most affordable flight options available from District of Columbia to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Mytrip deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/309:45 amIAD - TRS
3 stops32h 10mMultiple Airlines
Thu 11/66:35 amTRS - IAD
3 stops20h 19mMultiple Airlines
Deal found 9/15$755
This oojo deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/255:00 pmIAD - TRS
2 stops16h 30mTAP AIR PORTUGAL
Sun 11/233:15 pmTRS - IAD
2 stops30h 00mTAP AIR PORTUGAL
Deal found 9/13$833
This Gotogate deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/292:30 pmIAD - TRS
2 stops19h 00mMultiple Airlines
Sun 11/303:15 pmTRS - IAD
2 stops26h 30mMultiple Airlines
Deal found 9/16$839
This Mytrip deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2510:20 pmIAD - TRS
3 stops35h 10mMultiple Airlines
Sun 11/239:05 pmTRS - IAD
2 stops24h 10mMultiple Airlines
Deal found 9/13$852
This Orbitz deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/209:40 pmIAD - TRS
2 stops19h 15mMultiple Airlines
Sun 10/267:15 pmTRS - IAD
2 stops54h 00mMultiple Airlines
Deal found 9/14$870
This Mytrip deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:00 amDCA - TRS
3 stops35h 55mMultiple Airlines
Thu 11/67:15 pmTRS - DCA
3 stops32h 41mMultiple Airlines
Deal found 9/14$874
This FlightHub deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/209:40 pmIAD - TRS
2 stops38h 50mTurkish Airlines
Sun 10/263:15 pmTRS - IAD
2 stops50h 30mTurkish Airlines
Deal found 9/14$888
This FlightHub deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/16:50 pmDCA - TRS
2 stops14h 15mMultiple Airlines
Sat 11/296:25 amTRS - DCA
2 stops17h 40mMultiple Airlines
Deal found 9/16$1,420
This Orbitz deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/209:59 amDCA - TRS
2 stops22h 31mMultiple Airlines
Sun 10/267:15 pmTRS - DCA
2 stops51h 43mMultiple Airlines
Deal found 9/14$1,462
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/202:00 pmDCA - TRS
2 stops14h 25mUnited Airlines
Wed 12/246:35 amTRS - DCA
2 stops17h 29mUnited Airlines
Deal found 9/14$3,316

Cheapflights Fare Finder

 
Customize your flight search to find flights from District of Columbia to Trieste that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from District of Columbia to Trieste that are best for you.

Fly from

District of Columbia

Fly to

Trieste

Route

Depart

Return

Price

Washington, D.C.Trieste

IAD - TRS

IADTRS

Washington, D.C. Dulles Intl

Thu 10/30

9:45 am-10:55 pm

3 stops32h 10m

Trieste Ronchi dei Legionari

Thu 11/6

6:35 am-8:54 pm

3 stops20h 19m

$755

Washington, D.C.Trieste

IAD - TRS

IADTRS

Washington, D.C. Dulles Intl

Sat 10/25

5:00 pm-3:30 pm

2 stops16h 30m

Trieste Ronchi dei Legionari

Sun 11/23

3:15 pm-3:15 pm

2 stops30h 00m

$833

Washington, D.C.Trieste

IAD - TRS

IADTRS

Washington, D.C. Dulles Intl

Wed 10/29

2:30 pm-2:30 pm

2 stops19h 00m

Trieste Ronchi dei Legionari

Sun 11/30

3:15 pm-11:45 am

2 stops26h 30m

$839

Washington, D.C.Trieste

IAD - TRS

IADTRS

Washington, D.C. Dulles Intl

Sat 10/25

10:20 pm-2:30 pm

3 stops35h 10m

Trieste Ronchi dei Legionari

Sun 11/23

9:05 pm-3:15 pm

2 stops24h 10m

$852

Washington, D.C.Trieste

IAD - TRS

IADTRS

Washington, D.C. Dulles Intl

Mon 10/20

9:40 pm-10:55 pm

2 stops19h 15m

Trieste Ronchi dei Legionari

Sun 10/26

7:15 pm-8:15 pm

2 stops54h 00m

$870

Washington, D.C.Trieste

DCA - TRS

DCATRS

Washington, D.C. Reagan-National

Thu 10/30

6:00 am-10:55 pm

3 stops35h 55m

Trieste Ronchi dei Legionari

Thu 11/6

7:15 pm-9:56 pm

3 stops32h 41m

$874

Washington, D.C.Trieste

IAD - TRS

IADTRS

Washington, D.C. Dulles Intl

Mon 10/20

9:40 pm-6:30 pm

2 stops38h 50m

Trieste Ronchi dei Legionari

Sun 10/26

3:15 pm-12:45 pm

2 stops50h 30m

$888

Washington, D.C.Trieste

DCA - TRS

DCATRS

Washington, D.C. Reagan-National

Sat 11/1

6:50 pm-2:05 pm

2 stops14h 15m

Trieste Ronchi dei Legionari

Sat 11/29

6:25 am-6:05 pm

2 stops17h 40m

$1,420

Washington, D.C.Trieste

DCA - TRS

DCATRS

Washington, D.C. Reagan-National

Mon 10/20

9:59 am-2:30 pm

2 stops22h 31m

Trieste Ronchi dei Legionari

Sun 10/26

7:15 pm-5:58 pm

2 stops51h 43m

$1,462

Washington, D.C.Trieste

DCA - TRS

DCATRS

Washington, D.C. Reagan-National

Sat 12/20

2:00 pm-10:25 am

2 stops14h 25m

Trieste Ronchi dei Legionari

Wed 12/24

6:35 am-6:04 pm

2 stops17h 29m

$3,316

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 20 results
1
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Best time to book a flight from District of Columbia to Trieste

Have a flexible travel schedule? Discover the best time to fly to Trieste from District of Columbia 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 District of Columbia to Trieste
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from District of Columbia 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 District of Columbia?

    For a flight from District of Columbia to Trieste, you will be flying into Ronchi dei Legionari. Trieste Ronchi dei Legionari (TRS) is just 18.2 mi from the center of the city.

  • How long is the flight from District of Columbia to Trieste?

    TAP AIR PORTUGAL can get you from District of Columbia to Trieste in just under 16h 30m. Your travel time can differ by up to . District of Columbia and Trieste are separated by a distance of 4403 mi.

  • Can I find deals for flights from District of Columbia to Trieste that include hotel bookings?

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

  • How can I find direct flights from District of Columbia to Trieste?

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

  • Can I find deals for business class flights from District of Columbia to Trieste?

    Yes. Cheapflights offers flight deals from District of Columbia 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

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Top airline flying from District of Columbia to Trieste

Discover the top airline that operate flights from District of Columbia to Trieste. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
ITA AirwaysCheapest$664Average$910FlexibilityNo cancel feeOn-time81%

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