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.

$290 Cheap Flights from District of Columbia to Trieste in 2026

Find the cheapest flights from District of Columbia to Trieste

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:30 pm - 10:25 am

IAD

TRS

11h 55m

1 stop

7:15 pm - 2:30 pm

TRS

IAD

25h 15m

1 stop

$730ITA Airways

Sun, Aug 9 - Mon, Aug 24

4:30 pm - 2:30 pm

IAD

TRS

16h 00m

1 stop

6:35 am - 3:40 pm

TRS

IAD

14h 05m

1 stop

$765ITA Airways

Tue, Oct 20 - Sun, Nov 1

4:30 pm - 10:55 pm

IAD

TRS

24h 25m

1 stop

7:15 pm - 2:30 pm

TRS

IAD

25h 15m

1 stop

$776ITA Airways

Tue, Aug 11 - Thu, Aug 20

4:30 pm - 10:55 pm

IAD

TRS

24h 25m

1 stop

7:15 pm - 2:30 pm

TRS

IAD

25h 15m

1 stop

$780ITA Airways

Sun, Aug 9 - Thu, Aug 20

4:30 pm - 10:25 am

IAD

TRS

11h 55m

1 stop

7:15 pm - 2:30 pm

TRS

IAD

25h 15m

1 stop

$803ITA Airways

Wed, Sep 9 - Sat, Sep 19

4:30 pm - 10:25 am

IAD

TRS

11h 55m

1 stop

11:15 am - 2:30 pm

TRS

IAD

33h 15m

1 stop

$825ITA Airways

Tue, Aug 11 - Sat, Aug 22

6:57 pm - 10:25 am

DCA

TRS

57h 28m

2 stops

7:15 pm - 8:00 pm

TRS

DCA

54h 45m

2 stops

$897Multiple Airlines

Sat, Oct 3 - Mon, Oct 12

9:30 am - 10:25 am

DCA

TRS

18h 55m

2 stops

6:35 am - 9:59 pm

TRS

DCA

21h 24m

2 stops

$1,361United Airlines

Tue, Sep 22 - Mon, Sep 28

1:00 pm - 10:25 am

DCA

TRS

15h 25m

2 stops

6:35 am - 6:18 pm

TRS

DCA

17h 43m

2 stops

$1,554United Airlines

Thu, Nov 19 - Mon, Nov 30

6:59 am - 10:25 am

DCA

TRS

45h 26m

2 stops

6:35 am - 9:50 pm

TRS

DCA

21h 15m

2 stops

$1,683United Airlines

Wed, Sep 16 - Mon, Sep 28

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ITA Airways flights from District of Columbia to Trieste

Our best ITA Airways deals on District of Columbia to Trieste flight tickets

ITA Airways

Aug 9

IAD4:30 pmWashington, D.C. Dulles Intl

11h 55m

1 stop

TRS10:25 amTrieste Ronchi dei Legionari

Aug 24

TRS7:15 pmTrieste Ronchi dei Legionari

25h 15m

1 stop

IAD2:30 pmWashington, D.C. Dulles Intl

$730

ITA Airways

Oct 20

IAD4:30 pmWashington, D.C. Dulles Intl

16h 00m

1 stop

TRS2:30 pmTrieste Ronchi dei Legionari

Nov 1

TRS6:35 amTrieste Ronchi dei Legionari

14h 05m

1 stop

IAD3:40 pmWashington, D.C. Dulles Intl

$765

ITA Airways

Aug 11

IAD4:30 pmWashington, D.C. Dulles Intl

24h 25m

1 stop

TRS10:55 pmTrieste Ronchi dei Legionari

Aug 20

TRS7:15 pmTrieste Ronchi dei Legionari

25h 15m

1 stop

IAD2:30 pmWashington, D.C. Dulles Intl

$776

United Airlines flights from District of Columbia to Trieste

Our best United Airlines deals on District of Columbia to Trieste flight tickets

United Airlines

Sep 22

DCA9:30 amWashington, D.C. Reagan-National

18h 55m

2 stops

TRS10:25 amTrieste Ronchi dei Legionari

Sep 28

TRS6:35 amTrieste Ronchi dei Legionari

21h 24m

2 stops

DCA9:59 pmWashington, D.C. Reagan-National

$1,361

United Airlines

Nov 19

DCA1:00 pmWashington, D.C. Reagan-National

15h 25m

2 stops

TRS10:25 amTrieste Ronchi dei Legionari

Nov 30

TRS6:35 amTrieste Ronchi dei Legionari

17h 43m

2 stops

DCA6:18 pmWashington, D.C. Reagan-National

$1,554

United Airlines

Sep 16

DCA6:59 amWashington, D.C. Reagan-National

45h 26m

2 stops

TRS10:25 amTrieste Ronchi dei Legionari

Sep 28

TRS6:35 amTrieste Ronchi dei Legionari

21h 15m

2 stops

DCA9:50 pmWashington, D.C. Reagan-National

$1,683

momondo Fare Finder

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

Cheapest round-trip

Washington, D.C.Trieste

IAD - TRS

IADTRS

Washington, D.C. Dulles Intl

Sun 8/9

4:30 pm-10:25 am

1 stop11h 55m

Trieste Ronchi dei Legionari

Mon 8/24

7:15 pm-2:30 pm

1 stop25h 15m

$730

Quickest round-trip

Washington, D.C.Trieste

IAD - TRS

IADTRS

Washington, D.C. Dulles Intl

Tue 10/20

4:30 pm-2:30 pm

1 stop16h 00m

Trieste Ronchi dei Legionari

Sun 11/1

6:35 am-3:40 pm

1 stop14h 05m

$765

Washington, D.C.Trieste

IAD - TRS

IADTRS

Washington, D.C. Dulles Intl

Tue 8/11

4:30 pm-10:55 pm

1 stop24h 25m

Trieste Ronchi dei Legionari

Thu 8/20

7:15 pm-2:30 pm

1 stop25h 15m

$776

Washington, D.C.Trieste

IAD - TRS

IADTRS

Washington, D.C. Dulles Intl

Sun 8/9

4:30 pm-10:55 pm

1 stop24h 25m

Trieste Ronchi dei Legionari

Thu 8/20

7:15 pm-2:30 pm

1 stop25h 15m

$780

Washington, D.C.Trieste

IAD - TRS

IADTRS

Washington, D.C. Dulles Intl

Wed 9/9

4:30 pm-10:25 am

1 stop11h 55m

Trieste Ronchi dei Legionari

Sat 9/19

7:15 pm-2:30 pm

1 stop25h 15m

$803

Washington, D.C.Trieste

IAD - TRS

IADTRS

Washington, D.C. Dulles Intl

Tue 8/11

4:30 pm-10:25 am

1 stop11h 55m

Trieste Ronchi dei Legionari

Sat 8/22

11:15 am-2:30 pm

1 stop33h 15m

$825

Washington, D.C.Trieste

DCA - TRS

DCATRS

Washington, D.C. Reagan-National

Sat 10/3

6:57 pm-10:25 am

2 stops57h 28m

Trieste Ronchi dei Legionari

Mon 10/12

7:15 pm-8:00 pm

2 stops54h 45m

$897

Washington, D.C.Trieste

DCA - TRS

DCATRS

Washington, D.C. Reagan-National

Tue 9/22

9:30 am-10:25 am

2 stops18h 55m

Trieste Ronchi dei Legionari

Mon 9/28

6:35 am-9:59 pm

2 stops21h 24m

$1,361

Washington, D.C.Trieste

DCA - TRS

DCATRS

Washington, D.C. Reagan-National

Thu 11/19

1:00 pm-10:25 am

2 stops15h 25m

Trieste Ronchi dei Legionari

Mon 11/30

6:35 am-6:18 pm

2 stops17h 43m

$1,554

Washington, D.C.Trieste

DCA - TRS

DCATRS

Washington, D.C. Reagan-National

Wed 9/16

6:59 am-10:25 am

2 stops45h 26m

Trieste Ronchi dei Legionari

Mon 9/28

6:35 am-9:50 pm

2 stops21h 15m

$1,683

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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?

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 TAP AIR PORTUGAL 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 46% of people opting to fly with this airline when traveling to Trieste. Keep in mind that there are 9 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	12h 45m
Direct flights	None

The fastest flight from District of Columbia to Trieste takes 12h 45m

There are no direct flights from District of Columbia to Trieste. There are no popular flight routes from District of Columbia to Trieste.

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Frequently asked questions about flying from District of Columbia to Trieste

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 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.

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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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Cheap flights from District of Columbia to Trieste from $290

This is the cheapest one-way 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 8/31. 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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ITA Airways flights from District of Columbia to Trieste

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Our best United Airlines deals on District of Columbia to Trieste flight tickets

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What airlines fly to Trieste?

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Why use momondo?

An easier way to manage your Trieste trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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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

Cabin classes currently available on flights to Trieste

List of cabin classes available on flights landing in Trieste. Availability may vary depending on flight origin and airline.

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