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Cheap flights from Trieste to Washington, D.C. from $650

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Trieste to Washington, D.C. departing on 2/26. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
6:15 am - 2:35 pmTRS-IAD
14h 20m1 stop
Lufthansa Logo
6:00 pm - 2:00 pmIAD-TRS
14h 00m1 stop
$650Lufthansa
Find Deal
Thu, Feb 26 - Mon, Mar 2
Lufthansa Logo
6:15 am - 8:15 pmTRS-IAD
20h 00m1 stop
Lufthansa Logo
5:45 pm - 2:00 pmIAD-TRS
14h 15m2 stops
$678Lufthansa
Find Deal
Thu, Feb 26 - Mon, Mar 2
Lufthansa Logo
6:15 am - 3:05 pmTRS-IAD
14h 50m2 stops
Lufthansa Logo
5:45 pm - 2:00 pmIAD-TRS
14h 15m2 stops
$719Lufthansa
Find Deal
Thu, Feb 26 - Mon, Mar 2
Lufthansa Logo
6:15 am - 3:05 pmTRS-IAD
14h 50m2 stops
Lufthansa Logo
5:45 pm - 2:00 pmIAD-TRS
14h 15m2 stops
$720Lufthansa
Find Deal
Thu, Feb 26 - Mon, Mar 2

Lufthansa flights from Trieste to Washington, D.C.

Our best Lufthansa deals on Trieste to Washington, D.C. flight tickets
Lufthansa
Feb 26
TRS6:15 amTrieste Ronchi dei Legionari
14h 20m
1 stop
IAD2:35 pmWashington, D.C. Dulles Intl
Mar 2
IAD6:00 pmWashington, D.C. Dulles Intl
14h 00m
1 stop
TRS2:00 pmTrieste Ronchi dei Legionari
$650
Find similar
Lufthansa
Feb 26
TRS6:15 amTrieste Ronchi dei Legionari
20h 00m
1 stop
IAD8:15 pmWashington, D.C. Dulles Intl
Mar 2
IAD5:45 pmWashington, D.C. Dulles Intl
14h 15m
2 stops
TRS2:00 pmTrieste Ronchi dei Legionari
$678
Find similar
Lufthansa
Feb 26
TRS6:15 amTrieste Ronchi dei Legionari
14h 50m
2 stops
IAD3:05 pmWashington, D.C. Dulles Intl
Mar 2
IAD5:45 pmWashington, D.C. Dulles Intl
14h 15m
2 stops
TRS2:00 pmTrieste Ronchi dei Legionari
$719
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Trieste to Washington, D.C. 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, momondo users made 832,500 searches. Data last updated November 29, 2025.
Use the filters below to find and compare flights from Trieste to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Thu 2/26

6:15 am-2:35 pm

1 stop14h 20m

Washington, D.C. Dulles Intl

Mon 3/2

6:00 pm-2:00 pm

1 stop14h 00m

$650

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Thu 2/26

6:15 am-8:15 pm

1 stop20h 00m

Washington, D.C. Dulles Intl

Mon 3/2

5:45 pm-2:00 pm

2 stops14h 15m

$678

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Thu 2/26

6:15 am-3:05 pm

2 stops14h 50m

Washington, D.C. Dulles Intl

Mon 3/2

5:45 pm-2:00 pm

2 stops14h 15m

$719

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Thu 2/26

6:15 am-3:05 pm

2 stops14h 50m

Washington, D.C. Dulles Intl

Mon 3/2

5:45 pm-2:00 pm

2 stops14h 15m

$720

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Sun 5/10

7:15 pm-2:56 pm

3 stops49h 41m

$949

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Sun 5/10

6:20 am-10:16 am

2 stops33h 56m

$1,132

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Sun 5/10

6:35 am-2:40 pm

1 stop14h 05m

$1,559

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Washington, D.C. from

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

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

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

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

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

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

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

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

Fastest flight time

20h 00m

Direct flights

None
The fastest flight from Trieste to Washington, D.C. takes 20h 00m
There are no direct flights from Trieste to Washington, D.C.. There are no popular flight routes from Trieste to Washington, D.C..
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  • How far is Trieste Ronchi dei Legionari to Washington, D.C. by plane?

    Washington, D.C. is 4405.3 mi away from Trieste Ronchi dei Legionari. Typically, this will take 14h 20m by plane in normal conditions.

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

    Prices for flights from Trieste Ronchi dei Legionari Airport to Washington, D.C. are refreshed on a daily basis.

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

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

  • What documentation or ID do you need to fly to Washington, D.C.?

    The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Reston
Manassas
Gaithersburg
Fairfax
Glen Burnie
Linthicum Heights
Springfield

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from Trieste.

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

momondo does allow users to show only those flights to Washington, D.C. from Trieste which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Trieste.

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

Of course. momondo tracks the price of Trieste to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport