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IAD - TRS

$519 Find cheap flights from Washington, D.C. to Trieste

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Washington, D.C. to Trieste departing on 10/22. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Tue 6/4
Tue 6/11

Search hundreds of travel sites at once for deals on flights to Trieste

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Trieste, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Trieste, as well as popular online travel agencies
In the last 7 days travelers have searched 42,830,901 times on KAYAK, and here is why:

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Cheap flight deals from Washington, D.C. to Trieste (IAD-TRS)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Washington, D.C. to Trieste that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
4:30 pm - 10:25 amIAD-TRS
11h 55m1 stop
6:40 am - 2:40 pmTRS-IAD
14h 00m1 stop
$583ITA Airways
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Wed, Oct 2 - Wed, Oct 9
12:30 pm - 10:25 amIAD-TRS
15h 55m2 stops
6:40 am - 2:40 pmTRS-IAD
14h 00m1 stop
$587
Find Deal
Wed, Oct 2 - Wed, Oct 9
4:30 pm - 6:35 pmIAD-TRS
20h 05m1 stop
6:40 am - 2:40 pmTRS-IAD
14h 00m1 stop
$766ITA Airways
Find Deal
Sat, Sep 7 - Sat, Sep 14
4:30 pm - 8:55 pmIAD-TRS
22h 25m2 stops
6:40 am - 2:40 pmTRS-IAD
14h 00m1 stop
$786ITA Airways
Find Deal
Sat, Sep 7 - Sat, Sep 14
6:00 pm - 10:30 pmIAD-TRS
22h 30m1 stop
2:50 pm - 4:05 pmTRS-IAD
31h 15m1 stop
$832Lufthansa
Find Deal
Sun, Sep 29 - Sat, Oct 5
4:30 pm - 2:25 pmIAD-TRS
15h 55m1 stop
6:40 am - 2:40 pmTRS-IAD
14h 00m1 stop
$898ITA Airways
Find Deal
Mon, Jul 1 - Wed, Jul 10
4:30 pm - 8:50 pmIAD-TRS
22h 20m2 stops
6:40 am - 2:40 pmTRS-IAD
14h 00m1 stop
$918ITA Airways
Find Deal
Mon, Jul 1 - Wed, Jul 10
6:00 pm - 2:15 pmIAD-TRS
14h 15m1 stop
2:50 pm - 4:05 pmTRS-IAD
31h 15m1 stop
$962Lufthansa
Find Deal
Sun, Sep 15 - Sat, Sep 21
12:30 pm - 10:25 amIAD-TRS
15h 55m2 stops
12:00 pm - 2:40 pmTRS-IAD
32h 40m2 stops
$1,012
Find Deal
Wed, Oct 2 - Wed, Oct 9
4:40 pm - 2:25 pmIAD-TRS
39h 45m2 stops
11:15 am - 2:45 pmTRS-IAD
33h 30m2 stops
$1,421Turkish Airlines
Find Deal
Sun, Sep 15 - Sat, Sep 21

Flights from Washington, D.C. to Trieste - Travel Insights & Trends

Get data-powered insights and trends into flights from Washington, D.C. to Trieste to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Washington, D.C. to Trieste?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the last 72 hours, the cheapest one-way ticket from Washington, D.C. to Trieste found on KAYAK was with Lufthansa for $564. ITA Airways proposed a round-trip connection from $583 and Lufthansa from $832.

Good to know

Cheapest flight

$519
Flight from Washington, D.C. to Trieste

When to book flights from Washington, D.C. to Trieste

Are your dates flexible? Find out the best times to travel from Washington, D.C. to Trieste based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Washington, D.C. to Trieste flights

  • What is the cheapest flight from Washington, D.C. Dulles Intl Airport to Trieste?

    In the last 3 days, the lowest price for a flight from Washington, D.C. Dulles Intl Airport to Trieste was $519 for a one-way ticket and $583 for a round-trip.

  • Do I need a passport to fly between Washington, D.C. and Trieste?

    Yes, you'll most likely have to show a valid passport before boarding the plane in Washington, D.C. and on arrival in Trieste.

  • Which aircraft models fly most regularly from Washington, D.C. to Trieste?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Washington, D.C. to Trieste?

    Star Alliance, and SkyTeam are the airline alliances operating flights between Washington, D.C. and Trieste, with Star Alliance being the most commonly used for this route.

  • How does KAYAK find such low prices on flights from Washington, D.C. to Trieste?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington, D.C. to Trieste.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington, D.C. to Trieste?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Trieste from Washington, D.C. is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Washington, D.C. to Trieste?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Trieste with an airline and back to Washington, D.C. with another airline. Booking your flights between Washington, D.C. and TRS can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. to Trieste?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Trieste from Washington, D.C. up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top airline flying from Washington, D.C. to Trieste

 
See real verified KAYAK customer reviews for airlines flying from Washington, D.C. to Trieste. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Washington, D.C. to Trieste? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
6.7
ITA AirwaysOverall score based on 725 reviews
7.4Crew
5.9Food
6.8Boarding
6.1Entertainment
6.6Comfort
Airline reviews

The plane seemed very dated. The entertainment was very limited. There was a school group on our flight and the crew seemed bothered by them. They were not overly friendly or welcoming.

6.0 GoodBridget, Apr 2024FCO - BOS
Read more about ITA Airways reviews

The plane seemed very dated. The entertainment was very limited. There was a school group on our flight and the crew seemed bothered by them. They were not overly friendly or welcoming.

Ok, but no entertainment. Left late, but made up most of the time.

May be it is not an ITA issue, but the bags took long time to go out.

Good. But there food was poor quality and 95% of movies didn't have English subtitles

I thought they had rebranded themselves in every aspect but it was quite the opposite. The food was terrible the service was sub-par. Overall it was not a good experience.

Service from staff was poor, food choices were limited. Air plane was not clean or hygienic and seemed like not cleaned for days. Seats were uncomfortable.

service from stAff was barely there , food choices were limited. AirPlane was not clean and seemed like it was not cleaned for days.. Seats were very uncomfortable.

I paid for premium seats and the last minute they changed the aircraft for a bigger one, they bumped me to another seat which was NOT at all comfortable for an 11 hour flight, will fight for a refund!!

The landing was catastrophic. I was very scared. I thought it were my last lminues. Pilotes should be more experienced

ALL services were good. An announcement should’ve been made at the end of the flight that filling out a customs form would not be necessary anymore for USA travelers entering Philadelphia.

Book cheap flights from Washington, D.C. to Trieste

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Washington, D.C. to Trieste found on KAYAK in the last 72 hours.
10/22Tue
2 stops
15h 30mIAD-TRS
$519
10/15Tue
1 stopLufthansa
14h 15mIAD-TRS
$564
10/15Tue
2 stopsLufthansa
13h 45mIAD-TRS
$670
9/27Fri
1 stopLufthansa
14h 15mIAD-TRS
$689
9/27Fri
2 stopsLufthansa
18h 10mIAD-TRS
$701
7/3Wed
2 stopsTAP AIR PORTUGAL
34h 05mIAD-TRS
$1,000
7/3Wed
1 stopITA Airways
15h 55mIAD-TRS
$1,008

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Washington, D.C. - Trieste Flights

Departure:

Washington, D.C. (IAD)United States

Destination:

Trieste (TRS)Italy

Cabin classes:

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