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Cheap flights from Trieste to Washington, D.C. from $611

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 10/1. 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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Find the cheapest flights from Trieste to Washington, D.C. (TRS-WAS)

Cheap round-trip flights

Lufthansa Logo
6:30 am - 3:50 pmTRS-IAD
15h 20m1 stop
Lufthansa Logo
10:15 pm - 10:35 pmIAD-TRS
18h 20m1 stop
$611Lufthansa
Find Deal
Wed, Oct 1 - Wed, Oct 8
Lufthansa Logo
6:05 am - 3:50 pmTRS-IAD
15h 45m1 stop
Lufthansa Logo
5:15 pm - 2:00 pmIAD-TRS
14h 45m1 stop
$624Lufthansa
Find Deal
Thu, Nov 20 - Mon, Nov 24
Lufthansa Logo
6:05 am - 3:50 pmTRS-IAD
15h 45m1 stop
Lufthansa Logo
6:00 pm - 2:00 pmIAD-TRS
14h 00m1 stop
$625Lufthansa
Find Deal
Thu, Nov 20 - Mon, Nov 24
Lufthansa Logo
6:05 am - 2:35 pmTRS-IAD
14h 30m1 stop
Lufthansa Logo
5:10 pm - 2:00 pmIAD-TRS
38h 50m2 stops
$630Lufthansa
Find Deal
Thu, Nov 20 - Mon, Nov 24
Lufthansa Logo
6:05 am - 3:50 pmTRS-IAD
15h 45m1 stop
Lufthansa Logo
5:10 pm - 2:00 pmIAD-TRS
38h 50m2 stops
$631Lufthansa
Find Deal
Thu, Nov 20 - Mon, Nov 24
ITA Airways Logo
6:35 am - 2:40 pmTRS-IAD
14h 05m1 stop
ITA Airways Logo
4:30 pm - 2:30 pmIAD-TRS
16h 00m1 stop
$658ITA Airways
Find Deal
Mon, Sep 1 - Fri, Sep 5
ITA Airways Logo
6:35 am - 2:40 pmTRS-IAD
14h 05m1 stop
ITA Airways Logo
4:30 pm - 8:55 pmIAD-TRS
46h 25m2 stops
$682ITA Airways
Find Deal
Mon, Sep 1 - Fri, Sep 5
Lufthansa Logo
6:05 am - 8:15 pmTRS-IAD
20h 10m1 stop
Lufthansa Logo
5:15 pm - 2:00 pmIAD-TRS
14h 45m1 stop
$695Lufthansa
Find Deal
Thu, Nov 20 - Mon, Nov 24
Lufthansa Logo
6:05 am - 3:30 pmTRS-IAD
15h 25m2 stops
Lufthansa Logo
5:40 pm - 2:00 pmIAD-TRS
14h 20m2 stops
$698Lufthansa
Find Deal
Thu, Nov 20 - Mon, Nov 24
Logo
3:15 pm - 3:20 pmTRS-IAD
30h 05m2 stops
Logo
9:40 pm - 10:50 amIAD-TRS
31h 10m3 stops
$781
Find Deal
Wed, Oct 1 - Wed, Oct 8

Lufthansa flights from Trieste to Washington, D.C.

Our best Lufthansa deals on Trieste to Washington, D.C. flight tickets
Lufthansa
Oct 1
TRS6:30 amTrieste Ronchi dei Legionari
15h 20m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
Oct 8
IAD10:15 pmWashington, D.C. Dulles Intl
18h 20m
1 stop
TRS10:35 pmTrieste Ronchi dei Legionari
$611
Find similar
Lufthansa
Nov 20
TRS6:05 amTrieste Ronchi dei Legionari
15h 45m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
Nov 24
IAD5:15 pmWashington, D.C. Dulles Intl
14h 45m
1 stop
TRS2:00 pmTrieste Ronchi dei Legionari
$624
Find similar
Lufthansa
Nov 20
TRS6:05 amTrieste Ronchi dei Legionari
15h 45m
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
$625
Find similar

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

Our best ITA Airways deals on Trieste to Washington, D.C. flight tickets
ITA Airways
Sep 1
TRS6:35 amTrieste Ronchi dei Legionari
14h 05m
1 stop
IAD2:40 pmWashington, D.C. Dulles Intl
Sep 5
IAD4:30 pmWashington, D.C. Dulles Intl
16h 00m
1 stop
TRS2:30 pmTrieste Ronchi dei Legionari
$658
Find similar
ITA Airways
Sep 1
TRS6:35 amTrieste Ronchi dei Legionari
14h 05m
1 stop
IAD2:40 pmWashington, D.C. Dulles Intl
Sep 5
IAD4:30 pmWashington, D.C. Dulles Intl
46h 25m
2 stops
TRS8:55 pmTrieste Ronchi dei Legionari
$682
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 August 18, 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

Wed 10/1

6:30 am-3:50 pm

1 stop15h 20m

Washington, D.C. Dulles Intl

Wed 10/8

10:15 pm-10:35 pm

1 stop18h 20m

$611

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Thu 11/20

6:05 am-3:50 pm

1 stop15h 45m

Washington, D.C. Dulles Intl

Mon 11/24

5:15 pm-2:00 pm

1 stop14h 45m

$624

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Thu 11/20

6:05 am-3:50 pm

1 stop15h 45m

Washington, D.C. Dulles Intl

Mon 11/24

6:00 pm-2:00 pm

1 stop14h 00m

$625

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Thu 11/20

6:05 am-2:35 pm

1 stop14h 30m

Washington, D.C. Dulles Intl

Mon 11/24

5:10 pm-2:00 pm

2 stops38h 50m

$630

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Thu 11/20

6:05 am-3:50 pm

1 stop15h 45m

Washington, D.C. Dulles Intl

Mon 11/24

5:10 pm-2:00 pm

2 stops38h 50m

$631

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Mon 9/1

6:35 am-2:40 pm

1 stop14h 05m

Washington, D.C. Dulles Intl

Fri 9/5

4:30 pm-2:30 pm

1 stop16h 00m

$658

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Mon 9/1

6:35 am-2:40 pm

1 stop14h 05m

Washington, D.C. Dulles Intl

Fri 9/5

4:30 pm-8:55 pm

2 stops46h 25m

$682

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Thu 11/20

6:05 am-8:15 pm

1 stop20h 10m

Washington, D.C. Dulles Intl

Mon 11/24

5:15 pm-2:00 pm

1 stop14h 45m

$695

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Thu 11/20

6:05 am-3:30 pm

2 stops15h 25m

Washington, D.C. Dulles Intl

Mon 11/24

5:40 pm-2:00 pm

2 stops14h 20m

$698

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Wed 10/1

3:15 pm-3:20 pm

2 stops30h 05m

Washington, D.C. Dulles Intl

Wed 10/8

9:40 pm-10:50 am

3 stops31h 10m

$781

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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

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

Turkish Airlines, TAP AIR PORTUGAL, and Emirates 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.

Best Price Found

$710

Fastest flight time

14h 05m

Direct flights

None

Airports in Washington, D.C.

1 airport
The best one-way flight to Washington, D.C. from Trieste in the past 72 hours is $710. The best round-trip flight deal from Trieste to Washington, D.C. found on momondo in the last 72 hours is $611.
The fastest flight from Trieste to Washington, D.C. takes 14h 05m
There are no direct flights from Trieste to Washington, D.C.. Popular non-direct route for this connection is Trieste Ronchi dei Legionari Airport - Washington, D.C. Dulles Intl Airport.
There is 1 airport near Washington, D.C.: Washington, D.C. Dulles Intl (IAD)
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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 05m 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
Arlington
National Harbor
Woodbridge
Tysons
Laurel
Silver Spring
Waldorf
Fredericksburg
Colonial Beach
Manassas
Rockville
Towson
Gaithersburg
Fairfax
Reston
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