$549 Cheap Flights from Washington (DCA) to Trieste (TRS)

View $549 flight on Wed, Dec 31, 2025Opens in a new window

Popular airlines from Ronald Reagan Washington National Airport (DCA) to Friuli Venezia Giulia Airport (TRS)

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Cheap Flights from Washington to Trieste (DCA-TRS)

Prices were available within the past 7 days and start at $549 for one-way flights and $788 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Mon, Feb 2 - Tue, Mar 3
DCA
Washington
TRS
Trieste
$788 Roundtrip, found 3 days ago
$788
Roundtrip
found 3 days ago
Select Air Canada flight, departing Mon, Feb 2 from Washington to Trieste, returning Tue, Mar 3, priced at $788 found 3 days ago
Air Canada
Mon, Feb 2 - Tue, Mar 3
DCA
Washington
TRS
Trieste
$794 Roundtrip, found 3 days ago
$794
Roundtrip
found 3 days ago
Select Air Canada flight, departing Mon, Feb 2 from Washington to Trieste, returning Tue, Mar 3, priced at $794 found 3 days ago
Air Canada
Tue, Dec 30 - Tue, Jan 13
DCA
Washington
TRS
Trieste
$800 Roundtrip, found 1 day ago
$800
Roundtrip
found 1 day ago
Select Air Canada flight, departing Tue, Dec 30 from Washington to Trieste, returning Tue, Jan 13, priced at $800 found 1 day ago
Air Canada
Mon, Feb 2 - Tue, Mar 3
DCA
Washington
TRS
Trieste
$801 Roundtrip, found 3 days ago
$801
Roundtrip
found 3 days ago
Select Air Canada flight, departing Mon, Feb 2 from Washington to Trieste, returning Tue, Mar 3, priced at $801 found 3 days ago
Air Canada
Tue, Dec 30 - Sat, Jan 10
DCA
Washington
TRS
Trieste
$850 Roundtrip, found 1 day ago
$850
Roundtrip
found 1 day ago
Select Air Canada flight, departing Tue, Dec 30 from Washington to Trieste, returning Sat, Jan 10, priced at $850 found 1 day ago
Delta
Mon, Feb 2 - Tue, Mar 3
DCA
Washington
TRS
Trieste
$860 Roundtrip, found 3 days ago
$860
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Feb 2 from Washington to Trieste, returning Tue, Mar 3, priced at $860 found 3 days ago
United
Thu, Dec 25 - Tue, Jan 13
DCA
Washington
TRS
Trieste
$873 Roundtrip, found 2 hours ago
$873
Roundtrip
found 2 hours ago
Select United flight, departing Thu, Dec 25 from Washington to Trieste, returning Tue, Jan 13, priced at $873 found 2 hours ago
Air Canada
Tue, Dec 30 - Tue, Jan 13
DCA
Washington
TRS
Trieste
$875 Roundtrip, found 1 day ago
$875
Roundtrip
found 1 day ago
Select Air Canada flight, departing Tue, Dec 30 from Washington to Trieste, returning Tue, Jan 13, priced at $875 found 1 day ago
American Airlines
Sun, Feb 1 - Sat, Feb 14
DCA
Washington
TRS
Trieste
$889 Roundtrip, found 2 days ago
$889
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sun, Feb 1 from Washington to Trieste, returning Sat, Feb 14, priced at $889 found 2 days ago
Alaska Airlines
Wed, Dec 31 - Sat, Jan 10
DCA
Washington
TRS
Trieste
$911 Roundtrip, found 2 hours ago
$911
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Wed, Dec 31 from Washington to Trieste, returning Sat, Jan 10, priced at $911 found 2 hours ago

Alternative airports near Trieste

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Friuli Venezia Giulia TRS. Cheapest and Closest option available. Average driving time to city center is 33 minutes. Flights from $1,638
TRS
Friuli Venezia Giulia
CheapestClosest
Average driving time to city center33 min
Flights from $1,638

Frequently asked questions

How much does a flight from Ronald Reagan Washington National Airport (DCA) to Friuli Venezia Giulia Airport (TRS) cost?
Get a cheap one-way flight from $549 or cheap return flight from $788 from Ronald Reagan Washington National Airport (DCA) to Friuli Venezia Giulia Airport (TRS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Ronald Reagan Washington National Airport (DCA) to Friuli Venezia Giulia Airport (TRS)?
The cheapest month to fly from DCA to TRS is February, when there's less demand. Off-peak months are usually when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Ronald Reagan Washington National Airport (DCA) to Friuli Venezia Giulia Airport (TRS)?
To find the cheapest airline flying from DCA to TRS, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Ronald Reagan Washington National Airport (DCA) to Friuli Venezia Giulia Airport (TRS)?
There are no daily nonstop flights from Ronald Reagan Washington National Airport (DCA) to Friuli Venezia Giulia Airport (TRS). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way in no time.
What day of the week has the most flights from DCA to TRS?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Ronald Reagan Washington National Airport (DCA) to Friuli Venezia Giulia Airport (TRS)?
Book a flight from Ronald Reagan Washington National Airport (DCA) to Friuli Venezia Giulia Airport (TRS) that leaves before 3 PM to reduce the risk of cancellations. Departures after this hour have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Ronald Reagan Washington National Airport (DCA) to Friuli Venezia Giulia Airport (TRS) last-minute?
Booking your flight from DCA to TRS just before your getaway is usually more expensive. But if there's some wiggle room with your departure times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a DCA to TRS flight and hotel package?
Compared with arranging flights and hotels separately, booking a DCA to TRS flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one convenient place will take the stress out of planning your trip. Simply pick your flights and select from our extensive range of stays, then customize your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Ronald Reagan Washington National Airport (DCA) to Friuli Venezia Giulia Airport (TRS)?
Generally, it's possible to reschedule or cancel your DCA to TRS flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Ronald Reagan Washington National
Destination airport
Friuli Venezia Giulia
Airlines serving
KLM, United
Roundtrip price
$787
Distance
4393 mi

Book with confidence

Washington to Trieste Flights

The cheapest times to fly from Washington to Trieste

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Trieste are during the month of February. You can find some of the cheapest flights from Washington to Trieste with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Trieste

Sunday is one of the best days to book for cheap flights from Washington to Trieste: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Washington to Trieste

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Trieste in 2025. You can also book with separate airlines for your outbound and return journeys, from $549 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Trieste flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Trieste airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Washington to Trieste Flights

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