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Cheap flights from Trieste to Washington, D.C. from $607

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 3/3. 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.
ITA Airways Logo
6:35 am - 2:40 pmTRS-IAD
14h 05m1 stop
ITA Airways Logo
5:45 pm - 6:30 pmIAD-TRS
19h 45m1 stop
$607ITA Airways
Find Deal
Tue, Mar 3 - Thu, Mar 12
ITA Airways Logo
11:15 am - 9:19 pmTRS-IAD
40h 04m2 stops
ITA Airways Logo
5:45 pm - 6:30 pmIAD-TRS
19h 45m1 stop
$610ITA Airways
Find Deal
Tue, Mar 3 - Thu, Mar 12
Multiple Airlines Logo
2:40 pm - 8:15 pmTRS-IAD
11h 35m1 stop
Multiple Airlines Logo
10:00 pm - 10:40 pmIAD-TRS
18h 40m1 stop
$655Multiple Airlines
Find Deal
Wed, Nov 26 - Wed, Dec 3
Multiple Airlines Logo
2:40 pm - 8:15 pmTRS-IAD
11h 35m1 stop
Multiple Airlines Logo
1:10 pm - 2:05 pmIAD-TRS
18h 55m2 stops
$659Multiple Airlines
Find Deal
Wed, Nov 26 - Wed, Dec 3
Lufthansa Logo
6:15 am - 3:50 pmTRS-IAD
15h 35m1 stop
Lufthansa Logo
6:00 pm - 2:00 pmIAD-TRS
14h 00m1 stop
$660Lufthansa
Find Deal
Thu, Nov 20 - Mon, Nov 24
Lufthansa Logo
6:15 am - 2:35 pmTRS-IAD
14h 20m1 stop
Lufthansa Logo
6:00 pm - 2:00 pmIAD-TRS
14h 00m1 stop
$662Lufthansa
Find Deal
Thu, Nov 20 - Mon, Nov 24
Turkish Airlines Logo
3:15 pm - 12:45 pmTRS-IAD
26h 30m2 stops
Turkish Airlines Logo
9:15 pm - 2:30 pmIAD-TRS
35h 15m2 stops
$4,396Turkish Airlines
Find Deal
Sat, Nov 1 - Sat, Nov 15
TAP AIR PORTUGAL Logo
3:15 pm - 4:15 pmTRS-IAD
30h 00m2 stops
TAP AIR PORTUGAL Logo
5:30 pm - 10:55 pmIAD-TRS
23h 25m2 stops
$4,701TAP AIR PORTUGAL
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Fri, Oct 31 - Mon, Nov 17
Turkish Airlines Logo
11:15 am - 8:20 pmTRS-IAD
38h 05m2 stops
Turkish Airlines Logo
9:15 pm - 10:55 pmIAD-TRS
19h 40m2 stops
$4,778Turkish Airlines
Find Deal
Sat, Nov 1 - Mon, Nov 17
TAP AIR PORTUGAL Logo
11:15 am - 3:15 pmTRS-IAD
34h 00m2 stops
TAP AIR PORTUGAL Logo
5:30 pm - 2:30 pmIAD-TRS
39h 00m2 stops
$5,408TAP AIR PORTUGAL
Find Deal
Sun, Nov 2 - Mon, Nov 17

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 3
TRS6:35 amTrieste Ronchi dei Legionari
14h 05m
1 stop
IAD2:40 pmWashington, D.C. Dulles Intl
Mar 12
IAD5:45 pmWashington, D.C. Dulles Intl
19h 45m
1 stop
TRS6:30 pmTrieste Ronchi dei Legionari
$607
Find similar
ITA Airways
Mar 3
TRS11:15 amTrieste Ronchi dei Legionari
40h 04m
2 stops
IAD9:19 pmWashington, D.C. Dulles Intl
Mar 12
IAD5:45 pmWashington, D.C. Dulles Intl
19h 45m
1 stop
TRS6:30 pmTrieste Ronchi dei Legionari
$610
Find similar
ITA Airways
Mar 3
TRS7:15 pmTrieste Ronchi dei Legionari
32h 04m
2 stops
IAD9:19 pmWashington, D.C. Dulles Intl
Mar 12
IAD5:45 pmWashington, D.C. Dulles Intl
13h 35m
2 stops
TRS12:20 pmTrieste Ronchi dei Legionari
$677
Find similar

Lufthansa flights from Trieste to Washington, D.C.

Our best Lufthansa deals on Trieste to Washington, D.C. flight tickets
Lufthansa
Nov 20
TRS6:15 amTrieste Ronchi dei Legionari
15h 35m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
Nov 24
IAD6:00 pmWashington, D.C. Dulles Intl
14h 00m
1 stop
TRS2:00 pmTrieste Ronchi dei Legionari
$660
Find similar
Lufthansa
Nov 20
TRS6:15 amTrieste Ronchi dei Legionari
14h 20m
1 stop
IAD2:35 pmWashington, D.C. Dulles Intl
Nov 24
IAD6:00 pmWashington, D.C. Dulles Intl
14h 00m
1 stop
TRS2:00 pmTrieste Ronchi dei Legionari
$662
Find similar
Lufthansa
Nov 20
TRS6:15 amTrieste Ronchi dei Legionari
14h 20m
1 stop
IAD2:35 pmWashington, D.C. Dulles Intl
Nov 24
IAD5:40 pmWashington, D.C. Dulles Intl
14h 20m
2 stops
TRS2:00 pmTrieste Ronchi dei Legionari
$691
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 October 14, 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

Tue 3/3

6:35 am-2:40 pm

1 stop14h 05m

Washington, D.C. Dulles Intl

Thu 3/12

5:45 pm-6:30 pm

1 stop19h 45m

$607

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Tue 3/3

11:15 am-9:19 pm

2 stops40h 04m

Washington, D.C. Dulles Intl

Thu 3/12

5:45 pm-6:30 pm

1 stop19h 45m

$610

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Wed 11/26

2:40 pm-8:15 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Wed 12/3

10:00 pm-10:40 pm

1 stop18h 40m

$655

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Wed 11/26

2:40 pm-8:15 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Wed 12/3

1:10 pm-2:05 pm

2 stops18h 55m

$659

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Thu 11/20

6:15 am-3:50 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Mon 11/24

6:00 pm-2:00 pm

1 stop14h 00m

$660

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Thu 11/20

6:15 am-2:35 pm

1 stop14h 20m

Washington, D.C. Dulles Intl

Mon 11/24

6:00 pm-2:00 pm

1 stop14h 00m

$662

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Sat 11/1

3:15 pm-12:45 pm

2 stops26h 30m

Washington, D.C. Dulles Intl

Sat 11/15

9:15 pm-2:30 pm

2 stops35h 15m

$4,396

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Fri 10/31

3:15 pm-4:15 pm

2 stops30h 00m

Washington, D.C. Dulles Intl

Mon 11/17

5:30 pm-10:55 pm

2 stops23h 25m

$4,701

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Sat 11/1

11:15 am-8:20 pm

2 stops38h 05m

Washington, D.C. Dulles Intl

Mon 11/17

9:15 pm-10:55 pm

2 stops19h 40m

$4,778

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Sun 11/2

11:15 am-3:15 pm

2 stops34h 00m

Washington, D.C. Dulles Intl

Mon 11/17

5:30 pm-2:30 pm

2 stops39h 00m

$5,408

Flights are sorted by cheapest round-trip flights 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

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

United Airlines and Turkish Airlines are the most popular carriers 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.

Direct flights

None
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
Gettysburg
National Harbor
Arlington
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Manassas
Fairfax
Reston
Gaithersburg
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