$657+ Cheap flights from Trieste (TRS) to District of Columbia
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/21. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Trieste to District of Columbia with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Trieste to District of Columbia
One-way flights from Trieste to District of ColumbiaSearch for one-way flight options from Trieste to District of Columbia. Find affordable one-way fares based on user searches. Data last updated December 16, 2025.
Search for one-way flight options from Trieste to District of Columbia. Find affordable one-way fares based on user searches. Data last updated December 16, 2025.
This TAP AIR PORTUGAL deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This TAP AIR PORTUGAL deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This TAP AIR PORTUGAL deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Find flight deals from Trieste to District of Columbia
Keep the following information in mind while searching for Trieste to District of Columbia flight deals. Data was last updated December 16, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Cheapflights Fare Finder
Use the filters below to find and compare flights from Trieste to District of Columbia that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
TriesteWashington, D.C.
TRS - IAD
TRSIAD
Trieste Ronchi dei Legionari
Sun 12/21
6:35 am-3:15 pm
2 stops38h 40m
TriesteWashington, D.C.
TRS - IAD
TRSIAD
Trieste Ronchi dei Legionari
Mon 4/6
3:15 pm-11:35 am
2 stops50h 20m
TriesteWashington, D.C.
TRS - IAD
TRSIAD
Trieste Ronchi dei Legionari
Tue 12/23
6:35 am-9:00 pm
2 stops44h 25m
TriesteWashington, D.C.
TRS - IAD
TRSIAD
Trieste Ronchi dei Legionari
Mon 12/22
6:35 am-2:35 pm
2 stops38h 00m
TriesteWashington, D.C.
TRS - IAD
TRSIAD
Trieste Ronchi dei Legionari
Wed 12/24
6:35 am-3:15 pm
2 stops38h 40m
TriesteWashington, D.C.
TRS - IAD
TRSIAD
Trieste Ronchi dei Legionari
Wed 12/24
6:35 am-3:25 pm
1 stop14h 50m
TriesteWashington, D.C.
TRS - IAD
TRSIAD
Trieste Ronchi dei Legionari
Mon 12/22
6:35 am-3:25 pm
1 stop14h 50m
TriesteWashington, D.C.
TRS - IAD
TRSIAD
Trieste Ronchi dei Legionari
Tue 12/23
6:35 am-3:25 pm
1 stop14h 50m
TriesteWashington, D.C.
TRS - IAD
TRSIAD
Trieste Ronchi dei Legionari
Sun 12/21
6:35 am-3:25 pm
1 stop14h 50m
TriesteWashington, D.C.
TRS - IAD
TRSIAD
Trieste Ronchi dei Legionari
Mon 4/6
6:35 am-2:25 pm
1 stop13h 50m
Best time to book a flight from Trieste to District of Columbia
Have a flexible travel schedule? Discover the best time to fly to District of Columbia from Trieste with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Trieste to District of Columbia
What is the cheapest month to book a flight from Trieste to District of Columbia?
Currently, September is the cheapest month in which you can book a flight from Trieste to District of Columbia (average of $528). Flying from Trieste to District of Columbia in April is currently the most expensive (average of $831). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.