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Cheap flights from District of Columbia to Trieste from $714

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from District of Columbia to Trieste departing on 2/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from District of Columbia to Trieste

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:45 am - 10:55 pm
IAD
-
TRS
31h 10m3 stops
Multiple Airlines Logo
7:15 pm - 8:54 pm
TRS
-
IAD
31h 39m3 stops
$714Multiple Airlines
mié., feb. 11 - mié., feb. 18
Icelandair Logo
7:40 pm - 6:30 pm
IAD
-
TRS
16h 50m2 stops
Icelandair Logo
6:35 am - 6:30 pm
TRS
-
IAD
17h 55m2 stops
$857Icelandair
mar., ene. 20 - lun., ene. 26
Multiple Airlines Logo
9:15 pm - 6:30 pm
IAD
-
TRS
39h 15m2 stops
Multiple Airlines Logo
7:15 pm - 7:20 pm
TRS
-
IAD
30h 05m2 stops
$865Multiple Airlines
mié., feb. 11 - mié., feb. 18
Multiple Airlines Logo
4:15 pm - 9:10 pm
DCA
-
TRS
22h 55m3 stops
Multiple Airlines Logo
6:35 am - 9:56 pm
TRS
-
DCA
21h 21m3 stops
$886Multiple Airlines
mié., feb. 11 - mié., feb. 18
Multiple Airlines Logo
5:40 pm - 6:30 pm
IAD
-
TRS
18h 50m1 stop
Multiple Airlines Logo
3:15 pm - 5:40 pm
TRS
-
IAD
55h 25m2 stops
$886Multiple Airlines
vie., feb. 27 - dom., mar. 8
SWISS Logo
8:30 pm - 6:30 pm
IAD
-
TRS
40h 00m2 stops
SWISS Logo
3:15 pm - 3:25 pm
TRS
-
IAD
53h 10m2 stops
$901SWISS
vie., feb. 27 - dom., mar. 8
Turkish Airlines Logo
1:30 pm - 6:30 pm
IAD
-
TRS
23h 00m2 stops
Turkish Airlines Logo
11:15 am - 7:20 pm
TRS
-
IAD
38h 05m2 stops
$903Turkish Airlines
jue., feb. 12 - jue., feb. 19
Turkish Airlines Logo
9:15 pm - 6:30 pm
IAD
-
TRS
39h 15m2 stops
Turkish Airlines Logo
6:35 am - 7:20 pm
TRS
-
IAD
42h 45m2 stops
$936Turkish Airlines
mié., ene. 14 - vie., ene. 23
Turkish Airlines Logo
1:20 pm - 10:55 pm
IAD
-
TRS
27h 35m2 stops
Turkish Airlines Logo
11:15 am - 11:35 am
TRS
-
IAD
54h 20m2 stops
$941Turkish Airlines
sáb., abr. 4 - mié., abr. 8
TAP AIR PORTUGAL Logo
5:30 pm - 10:55 pm
IAD
-
TRS
23h 25m2 stops
TAP AIR PORTUGAL Logo
6:35 am - 3:15 pm
TRS
-
IAD
38h 40m2 stops
$956TAP AIR PORTUGAL
sáb., ene. 17 - vie., ene. 23

SWISS flights from District of Columbia to Trieste

Our best SWISS deals on District of Columbia to Trieste flight tickets
SWISS
Feb 27
IAD8:30 pmWashington, D.C. Dulles Intl
40h 00m
2 stops
TRS6:30 pmTrieste Ronchi dei Legionari
Mar 8
TRS3:15 pmTrieste Ronchi dei Legionari
53h 10m
2 stops
IAD3:25 pmWashington, D.C. Dulles Intl
$901
Find similar
SWISS
Feb 1
IAD5:25 pmWashington, D.C. Dulles Intl
43h 05m
2 stops
TRS6:30 pmTrieste Ronchi dei Legionari
Feb 8
TRS11:15 amTrieste Ronchi dei Legionari
34h 15m
2 stops
IAD3:30 pmWashington, D.C. Dulles Intl
$1,151
Find similar
SWISS
May 14
IAD8:20 pmWashington, D.C. Dulles Intl
16h 10m
2 stops
TRS6:30 pmTrieste Ronchi dei Legionari
May 27
TRS6:35 amTrieste Ronchi dei Legionari
16h 10m
2 stops
IAD4:45 pmWashington, D.C. Dulles Intl
$1,201
Find similar

United Airlines flights from District of Columbia to Trieste

Our best United Airlines deals on District of Columbia to Trieste flight tickets
United Airlines
Mar 29
DCA10:30 amWashington, D.C. Reagan-National
17h 55m
2 stops
TRS10:25 amTrieste Ronchi dei Legionari
Apr 6
TRS6:35 amTrieste Ronchi dei Legionari
21h 18m
2 stops
DCA9:53 pmWashington, D.C. Reagan-National
$1,397
Find similar
United Airlines
Mar 4
DCA10:30 amWashington, D.C. Reagan-National
17h 55m
2 stops
TRS10:25 amTrieste Ronchi dei Legionari
Mar 8
TRS6:35 amTrieste Ronchi dei Legionari
34h 24m
2 stops
DCA10:59 amWashington, D.C. Reagan-National
$1,399
Find similar
United Airlines
Jan 18
IAD10:06 pmWashington, D.C. Dulles Intl
54h 19m
2 stops
TRS10:25 amTrieste Ronchi dei Legionari
Jan 26
TRS6:35 amTrieste Ronchi dei Legionari
14h 50m
1 stop
IAD3:25 pmWashington, D.C. Dulles Intl
$1,596
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from District of Columbia to Trieste 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 diciembre 31, 2025.
Use the filters below to find and compare flights from District of Columbia to Trieste that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Trieste

IAD - TRS

IADTRS

Washington, D.C. Dulles Intl

mié. 2/11

9:45 am-10:55 pm

3 stops31h 10m

Trieste Ronchi dei Legionari

mié. 2/18

7:15 pm-8:54 pm

3 stops31h 39m

$714

Washington, D.C.Trieste

IAD - TRS

IADTRS

Washington, D.C. Dulles Intl

mar. 1/20

7:40 pm-6:30 pm

2 stops16h 50m

Trieste Ronchi dei Legionari

lun. 1/26

6:35 am-6:30 pm

2 stops17h 55m

$857

Washington, D.C.Trieste

IAD - TRS

IADTRS

Washington, D.C. Dulles Intl

mié. 2/11

9:15 pm-6:30 pm

2 stops39h 15m

Trieste Ronchi dei Legionari

mié. 2/18

7:15 pm-7:20 pm

2 stops30h 05m

$865

Washington, D.C.Trieste

DCA - TRS

DCATRS

Washington, D.C. Reagan-National

mié. 2/11

4:15 pm-9:10 pm

3 stops22h 55m

Trieste Ronchi dei Legionari

mié. 2/18

6:35 am-9:56 pm

3 stops21h 21m

$886

Washington, D.C.Trieste

IAD - TRS

IADTRS

Washington, D.C. Dulles Intl

vie. 2/27

5:40 pm-6:30 pm

1 stop18h 50m

Trieste Ronchi dei Legionari

dom. 3/8

3:15 pm-5:40 pm

2 stops55h 25m

$886

Washington, D.C.Trieste

IAD - TRS

IADTRS

Washington, D.C. Dulles Intl

vie. 2/27

8:30 pm-6:30 pm

2 stops40h 00m

Trieste Ronchi dei Legionari

dom. 3/8

3:15 pm-3:25 pm

2 stops53h 10m

$901

Washington, D.C.Trieste

IAD - TRS

IADTRS

Washington, D.C. Dulles Intl

jue. 2/12

1:30 pm-6:30 pm

2 stops23h 00m

Trieste Ronchi dei Legionari

jue. 2/19

11:15 am-7:20 pm

2 stops38h 05m

$903

Washington, D.C.Trieste

IAD - TRS

IADTRS

Washington, D.C. Dulles Intl

mié. 1/14

9:15 pm-6:30 pm

2 stops39h 15m

Trieste Ronchi dei Legionari

vie. 1/23

6:35 am-7:20 pm

2 stops42h 45m

$936

Washington, D.C.Trieste

IAD - TRS

IADTRS

Washington, D.C. Dulles Intl

sáb. 4/4

1:20 pm-10:55 pm

2 stops27h 35m

Trieste Ronchi dei Legionari

mié. 4/8

11:15 am-11:35 am

2 stops54h 20m

$941

Washington, D.C.Trieste

IAD - TRS

IADTRS

Washington, D.C. Dulles Intl

sáb. 1/17

5:30 pm-10:55 pm

2 stops23h 25m

Trieste Ronchi dei Legionari

vie. 1/23

6:35 am-3:15 pm

2 stops38h 40m

$956

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Trieste from

How to get the cheapest flight ticket from District of Columbia to Trieste

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 District of Columbia to Trieste Ronchi dei Legionari?

Icelandair, ITA Airways, and United Airlines are the most popular carriers operating from District of Columbia to Trieste Ronchi dei Legionari

What airlines fly to Trieste?

United Airlines, Turkish Airlines and British Airways are the top three most popular airlines that fly to Trieste from District of Columbia according to our data. United Airlines is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Trieste. Keep in mind that there are 10 different airlines that fly to Trieste on a routine basis, so you have a few additional options to choose from.

Cheap District of Columbia to Trieste flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from District of Columbia to Trieste

Fastest flight time

15h 26m

Direct flights

None
The fastest flight from District of Columbia to Trieste takes 15h 26m
There are no direct flights from District of Columbia to Trieste. There are no popular flight routes from District of Columbia to Trieste.
Search flight deals

  • When did momondo last update prices for flights from District of Columbia to Trieste Ronchi dei Legionari Airport?

    Prices for flights from District of Columbia to Trieste Ronchi dei Legionari Airport refresh daily.

  • How many operators does momondo search for flights from District of Columbia to Trieste Ronchi dei Legionari Airport?

  • How old do you have to be to fly from District of Columbia to Trieste Ronchi dei Legionari Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from District of Columbia to Trieste Ronchi dei Legionari Airport.

  • What documentation or ID do you need to fly to Trieste Ronchi dei Legionari Airport?

    The required travel and health documents for your Trieste Ronchi dei Legionari Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Trieste Ronchi dei Legionari Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from District of Columbia to Trieste

Compare and see reviews for airlines that fly from District of Columbia to Trieste with momondo
Airline
Rating
Free Cancellation
Price
ITA AirwaysPriceFrom $664Free CancellationRating
6.7
1,116 reviews
Search ITA Airways flights

Traveling to a place near Trieste?

Book flights to Trieste if you plan to visit one of these locations
Udine
Grado

Why use momondo?

Why should I use momondo to find a flight deal from District of Columbia to Trieste?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from District of Columbia to Trieste. momondo saves you time and could save you money on your trip.

Can I find flights from District of Columbia to Trieste with flexible booking policies on momondo?

momondo does allow users to show only those flights to Trieste from District of Columbia which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from District of Columbia to Trieste?

momondo provides multiple filters to help you find the best flight to Trieste from District of Columbia. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from District of Columbia to Trieste right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of District of Columbia to Trieste 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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Fly your favorite airline to Trieste

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
United Airlines
Turkish Airlines
British Airways
ITA Airways
Delta
Lufthansa
TAP AIR PORTUGAL
Aer Lingus
Scandinavian Airlines
SWISS