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Cheap flights from Oregon to Trieste from $1,834

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Oregon to Trieste departing on 6/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Oregon to Trieste

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
11:30 pm - 10:30 am
PDX
-
TRS
26h 00m
2 stops
United Airlines Logo
6:35 am - 9:10 pm
TRS
-
PDX
23h 35m
2 stops
$1,834United Airlines
Thu, Jun 11 - Wed, Jun 17

momondo Fare Finder

 
Customize your flight search to find flights from Oregon to Trieste 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, momondo users made 832,500 searches. Data last updated May 10, 2026.
Use the filters below to find and compare flights from Oregon to Trieste that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

PortlandTrieste

PDX - TRS

PDXTRS

Portland

Thu 6/11

11:30 pm-10:30 am

2 stops26h 00m

Trieste Ronchi dei Legionari

Wed 6/17

6:35 am-9:10 pm

2 stops23h 35m

$1,834

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from Oregon 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 airlines fly to Trieste?

British Airways, Condor and KLM are the top three most popular airlines that fly to Trieste from Oregon according to our data. British Airways is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Trieste. Keep in mind that there are 6 different airlines that fly to Trieste on a routine basis, so you have a few additional options to choose from.

Cheap Oregon to Trieste flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Oregon to Trieste

Fastest flight time

28h 06m

Direct flights

None
The fastest flight from Oregon to Trieste takes 28h 06m
There are no direct flights from Oregon to Trieste. There are no popular flight routes from Oregon to Trieste.
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Frequently asked questions about flying from Oregon to Trieste

  • When did momondo last update prices for flights from Oregon to Trieste Ronchi dei Legionari Airport?

    Prices for flights from Oregon to Trieste Ronchi dei Legionari Airport refresh daily.

  • How old do you have to be to fly from Oregon to Trieste Ronchi dei Legionari Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Oregon to Trieste Ronchi dei Legionari Airport.

  • What documentation or ID do you need to fly to Trieste Ronchi dei Legionari Airport?

    The necessary travel and health documents for your Trieste Ronchi dei Legionari Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Trieste?

Book flights to Trieste if you plan to visit one of these locations
Udine
Grado

Why use momondo?

Why should I use momondo to find a flight deal from Oregon to Trieste?

It is quick and easy to find Oregon to Trieste flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Trieste that suits you.

Can I find flights from Oregon to Trieste with flexible booking policies on momondo?

Flights from Oregon to Trieste with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Oregon to Trieste?

Once all potential Oregon to Trieste flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Oregon to Trieste right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Trieste from Oregon. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Trieste trip

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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
British Airways
Condor
KLM
United Airlines
Delta
American Airlines