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$410+ Cheap flights from Trieste (TRS) to District of Columbia

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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
TRS — IAD
Mar 7 — Mar 141
Sat 3/7
Sat 3/14
1 adult, Economy
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Cheap flight deals from Trieste to District of Columbia

Cheapest flights from Trieste to District of Columbia
Explore the most affordable flight options available from Trieste to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 5, 2026.

This ITA Airways deal was found by Cheapflights users on 2/3. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:15 pm
TRS
-
IAD
1 stop25h 25m
ITA Airways
Mon 9/284:30 pm
IAD
-
TRS
1 stop20h 00m
ITA Airways
Deal found 2/3$719
This Cheapflightsfares deal was found by Cheapflights users on 2/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/196:15 am
TRS
-
IAD
1 stop15h 35m
Lufthansa
Mon 2/236:00 pm
IAD
-
TRS
1 stop14h 00m
Lufthansa
Deal found 2/3$726
This TAP AIR PORTUGAL deal was found by Cheapflights users on 2/3. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2411:15 am
TRS
-
IAD
2 stops33h 50m
TAP AIR PORTUGAL
Mon 9/285:40 pm
IAD
-
TRS
2 stops42h 50m
TAP AIR PORTUGAL
Deal found 2/3$907

Find flight deals from Trieste to District of Columbia

Keep the following information in mind while searching for Trieste to District of Columbia flight deals. Data was last updated February 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$726
(Cheapflightsfares)

One-way from

$410
(Mytrip)
Provider with most accurate pricing for Trieste Ronchi dei Legionari-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Trieste Ronchi dei Legionari-Washington, D.C. (WAS) flights.
Search Deals
From Trieste Ronchi dei Legionari to District of Columbia
Search Deals
One-way flight from Trieste Ronchi dei Legionari to District of Columbia
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Trieste to District of Columbia 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 February 5, 2026.
Use the filters below to find and compare flights from Trieste to District of Columbia that are best for you.

Fly from

Trieste

Fly to

District of Columbia

Route

Depart

Return

Price

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Thu 2/19

6:15 am-3:50 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Mon 2/23

6:00 pm-2:00 pm

1 stop14h 00m

$726

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Thu 2/19

7:15 pm-6:45 pm

3 stops29h 30m

Washington, D.C. Dulles Intl

Mon 2/23

11:40 am-2:00 pm

3 stops20h 20m

$1,160

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Mon 3/16

6:15 pm-3:35 pm

2 stops26h 20m

$410

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Tue 7/7

7:15 pm-3:45 pm

3 stops26h 30m

$570

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Mon 3/16

3:15 pm-3:40 pm

1 stop29h 25m

$597

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Tue 2/10

2:10 pm-3:15 pm

2 stops55h 05m

$611

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Tue 7/7

6:35 am-2:40 pm

1 stop14h 05m

$795

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Tue 2/10

6:15 am-3:50 pm

1 stop15h 35m

$1,586

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Best time to book a flight from Trieste to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia from Trieste 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 Trieste to District of Columbia

What is the cheapest month to book a flight from Trieste to District of Columbia?

Currently, September is the cheapest month in which you can book a flight from Trieste to District of Columbia (average of $524). Flying from Trieste to District of Columbia in December is currently the most expensive (average of $730). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Trieste to District of Columbia. 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 from for flights from Trieste to District of Columbia?

    For a flight from Trieste to District of Columbia, you will be flying from 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 Trieste to District of Columbia?

    Airlines like Lufthansa fly from Trieste to District of Columbia in about 15h 35m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 4403 mi.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Trieste to District of Columbia?

    Currently, September is the cheapest month in which you can book a flight from Trieste to District of Columbia (average of $524). Flying from Trieste to District of Columbia in December is currently the most expensive (average of $730). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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