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Cheap flights from Trieste to Washington, D.C. from $526

This is the cheapest one-way 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 5/19. 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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0 bags

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
ITA Airways Logo
1:05 pm - 3:40 pm
TRS
-
IAD
55h 35m
2 stops
ITA Airways Logo
4:30 pm - 2:30 pm
IAD
-
TRS
16h 00m
1 stop
$580ITA Airways
Tue, Mar 10 - Sun, Apr 12
ITA Airways Logo
6:35 am - 3:40 pm
TRS
-
IAD
14h 05m
1 stop
ITA Airways Logo
5:45 pm - 6:30 pm
IAD
-
TRS
19h 45m
1 stop
$596ITA Airways
Sun, Mar 15 - Thu, Mar 19
ITA Airways Logo
6:35 am - 3:40 pm
TRS
-
IAD
14h 05m
1 stop
ITA Airways Logo
5:45 pm - 12:20 pm
IAD
-
TRS
13h 35m
2 stops
$608ITA Airways
Sun, Mar 15 - Thu, Mar 19
Lufthansa Logo
6:15 am - 3:35 pm
TRS
-
IAD
14h 20m
1 stop
Lufthansa Logo
6:15 pm - 2:00 pm
IAD
-
TRS
14h 45m
1 stop
$755Lufthansa
Thu, Mar 12 - Mon, Mar 16
Lufthansa Logo
2:40 pm - 9:15 pm
TRS
-
IAD
11h 35m
1 stop
Lufthansa Logo
10:05 pm - 10:15 pm
IAD
-
TRS
18h 10m
1 stop
$760Lufthansa
Tue, Mar 10 - Sun, Apr 12
Lufthansa Logo
2:40 pm - 9:15 pm
TRS
-
IAD
11h 35m
1 stop
Lufthansa Logo
10:05 pm - 10:15 pm
IAD
-
TRS
18h 10m
1 stop
$761Lufthansa
Tue, Mar 10 - Sun, Apr 12
Multiple Airlines Logo
6:15 am - 3:35 pm
TRS
-
IAD
14h 20m
2 stops
Multiple Airlines Logo
6:15 pm - 2:00 pm
IAD
-
TRS
14h 45m
1 stop
$793Multiple Airlines
Thu, Mar 12 - Mon, Mar 16
Lufthansa Logo
3:00 pm - 3:35 pm
TRS
-
IAD
29h 35m
1 stop
Lufthansa Logo
10:05 pm - 9:55 pm
IAD
-
TRS
17h 50m
1 stop
$810Lufthansa
Sun, Mar 22 - Fri, Apr 3
Air France Logo
3:15 pm - 6:33 pm
TRS
-
IAD
32h 18m
2 stops
Air France Logo
1:19 pm - 2:30 pm
IAD
-
TRS
20h 11m
2 stops
$826Air France
Thu, Mar 12 - Mon, Mar 16
Lufthansa Logo
6:25 am - 3:00 pm
TRS
-
IAD
13h 35m
2 stops
Lufthansa Logo
6:15 pm - 2:05 pm
IAD
-
TRS
14h 50m
1 stop
$827Lufthansa
Sat, Mar 14 - Wed, Mar 18

Lufthansa flights from Trieste to Washington, D.C.

Our best Lufthansa deals on Trieste to Washington, D.C. flight tickets
Lufthansa
Mar 12
TRS6:15 amTrieste Ronchi dei Legionari
14h 20m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
Mar 16
IAD6:15 pmWashington, D.C. Dulles Intl
14h 45m
1 stop
TRS2:00 pmTrieste Ronchi dei Legionari
$755
Lufthansa
Mar 10
TRS2:40 pmTrieste Ronchi dei Legionari
11h 35m
1 stop
IAD9:15 pmWashington, D.C. Dulles Intl
Apr 12
IAD10:05 pmWashington, D.C. Dulles Intl
18h 10m
1 stop
TRS10:15 pmTrieste Ronchi dei Legionari
$760
Lufthansa
Mar 10
TRS2:40 pmTrieste Ronchi dei Legionari
11h 35m
1 stop
IAD9:15 pmWashington, D.C. Dulles Intl
Apr 12
IAD10:05 pmWashington, D.C. Dulles Intl
18h 10m
1 stop
TRS10:15 pmTrieste Ronchi dei Legionari
$761

ITA Airways flights from Trieste to Washington, D.C.

Our best ITA Airways deals on Trieste to Washington, D.C. flight tickets
ITA Airways
Mar 10
TRS1:05 pmTrieste Ronchi dei Legionari
55h 35m
2 stops
IAD3:40 pmWashington, D.C. Dulles Intl
Apr 12
IAD4:30 pmWashington, D.C. Dulles Intl
16h 00m
1 stop
TRS2:30 pmTrieste Ronchi dei Legionari
$580
ITA Airways
Mar 15
TRS6:35 amTrieste Ronchi dei Legionari
14h 05m
1 stop
IAD3:40 pmWashington, D.C. Dulles Intl
Mar 19
IAD5:45 pmWashington, D.C. Dulles Intl
19h 45m
1 stop
TRS6:30 pmTrieste Ronchi dei Legionari
$596
ITA Airways
Mar 15
TRS6:35 amTrieste Ronchi dei Legionari
14h 05m
1 stop
IAD3:40 pmWashington, D.C. Dulles Intl
Mar 19
IAD5:45 pmWashington, D.C. Dulles Intl
13h 35m
2 stops
TRS12:20 pmTrieste Ronchi dei Legionari
$608

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 February 28, 2026.
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

Tue 3/10

1:05 pm-3:40 pm

2 stops55h 35m

Washington, D.C. Dulles Intl

Sun 4/12

4:30 pm-2:30 pm

1 stop16h 00m

$580

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Sun 3/15

6:35 am-3:40 pm

1 stop14h 05m

Washington, D.C. Dulles Intl

Thu 3/19

5:45 pm-6:30 pm

1 stop19h 45m

$596

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Sun 3/15

6:35 am-3:40 pm

1 stop14h 05m

Washington, D.C. Dulles Intl

Thu 3/19

5:45 pm-12:20 pm

2 stops13h 35m

$608

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Thu 3/12

6:15 am-3:35 pm

1 stop14h 20m

Washington, D.C. Dulles Intl

Mon 3/16

6:15 pm-2:00 pm

1 stop14h 45m

$755

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Tue 3/10

2:40 pm-9:15 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Sun 4/12

10:05 pm-10:15 pm

1 stop18h 10m

$760

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Tue 3/10

2:40 pm-9:15 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Sun 4/12

10:05 pm-10:15 pm

1 stop18h 10m

$761

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Thu 3/12

6:15 am-3:35 pm

2 stops14h 20m

Washington, D.C. Dulles Intl

Mon 3/16

6:15 pm-2:00 pm

1 stop14h 45m

$793

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Sun 3/22

3:00 pm-3:35 pm

1 stop29h 35m

Washington, D.C. Dulles Intl

Fri 4/3

10:05 pm-9:55 pm

1 stop17h 50m

$810

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Thu 3/12

3:15 pm-6:33 pm

2 stops32h 18m

Washington, D.C. Dulles Intl

Mon 3/16

1:19 pm-2:30 pm

2 stops20h 11m

$826

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Sat 3/14

6:25 am-3:00 pm

2 stops13h 35m

Washington, D.C. Dulles Intl

Wed 3/18

6:15 pm-2:05 pm

1 stop14h 50m

$827

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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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

Can stopping save me money on Trieste to Washington, D.C. flights?

You could potentially save up to 7% on your flight if you consider stops on a Trieste to Washington, D.C. flight.

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

11h 35m

Direct flights

None
The fastest flight from Trieste to Washington, D.C. takes 11h 35m
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 11h 35m 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
Waldorf
Woodbridge
Colonial Beach
Laurel
Towson
Silver Spring
Gaithersburg
Tysons
Fredericksburg
Rockville
Manassas
Springfield
Fairfax
Bethesda
Linthicum Heights
Glen Burnie

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