$947+ Cheap flights from Trieste (TRS) to Washington
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
TRS — SEA
Feb 19 — Feb 261
1 adult, Economy
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Cheapest flights from Trieste to WashingtonExplore the most affordable flight options available from Trieste to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 20, 2026.
Explore the most affordable flight options available from Trieste to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 20, 2026.
This United Airlines deal was found by Cheapflights users on 1/18. 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.
Thu 9/246:35 am
TRS
- SEA
2 stops35h 47m
United Airlines
Mon 9/288:00 am
SEA
- TRS
2 stops41h 25m
United Airlines
Deal found 1/18![United Airlines logo]()
$947
Find flight deals from Trieste to Washington
Keep the following information in mind while searching for Trieste to Washington flight deals. Data was last updated January 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | Expedia 3 stars |
Cheapflights Fare Finder
Customize your flight search to find flights from Trieste to Washington 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, Cheapflights users made 2,558,603 searches. Data last updated January 20, 2026.
Use the filters below to find and compare flights from Trieste to Washington that are best for you.
Fly from
Trieste
Fly to
Washington
Route
Depart
Return
Price
TriesteSeattle
TRS - SEA
TRSSEA
Trieste Ronchi dei Legionari
Wed 4/1
6:35 am-7:45 pm
2 stops22h 10m
$1,295
TriesteSeattle
TRS - SEA
TRSSEA
Trieste Ronchi dei Legionari
Tue 3/31
6:35 am-8:53 pm
2 stops23h 18m
$1,295
TriesteSeattle
TRS - SEA
TRSSEA
Trieste Ronchi dei Legionari
Sat 3/28
7:15 pm-7:45 pm
2 stops32h 30m
$1,295
TriesteSeattle
TRS - SEA
TRSSEA
Trieste Ronchi dei Legionari
Sun 3/29
6:35 am-7:45 pm
2 stops22h 10m
$1,295
TriesteSeattle
TRS - SEA
TRSSEA
Trieste Ronchi dei Legionari
Mon 3/30
7:15 pm-7:45 pm
2 stops33h 30m
$1,295
TriesteSeattle
TRS - SEA
TRSSEA
Trieste Ronchi dei Legionari
Fri 4/3
6:35 am-8:57 pm
2 stops23h 22m
$1,324
Best time to book a flight from Trieste to Washington
Have a flexible travel schedule? Discover the best time to fly to Washington from Trieste with our price prediction graph.
Estimated round-trip price
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Cheapflights Insights
Everything you need to know about your flight from Trieste to Washington
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