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

Prices for flights from Portland Airport to Trieste Ronchi dei Legionari Airport were last updated today.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Trieste Ronchi dei Legionari Airport.

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

The travel and health documents required for your trip to Trieste Ronchi dei Legionari Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Trieste Ronchi dei Legionari Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$403 Cheap Flights from Portland to Trieste in 2025/26

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7:00 am - 10:40 pm

PDX

TRS

30h 40m2 stops

6:15 am - 11:04 pm

TRS

PDX

24h 49m2 stops

$531Lufthansa

Tue, Feb 24 - Tue, Mar 10

7:00 am - 10:25 am

PDX

TRS

18h 25m2 stops

6:15 am - 11:04 pm

TRS

PDX

24h 49m2 stops

$542Multiple Airlines

Tue, Feb 24 - Tue, Mar 10

1:18 pm - 10:25 am

PDX

TRS

36h 07m3 stops

6:35 am - 7:14 pm

TRS

PDX

20h 39m2 stops

$1,058United Airlines

Tue, Feb 24 - Tue, Mar 10

Fly from

Fly to

Route

Depart

Return

Price

PortlandTrieste

PDX - TRS

PDXTRS

Portland

Tue 2/24

7:00 am-10:40 pm

2 stops30h 40m

Trieste Ronchi dei Legionari

Tue 3/10

6:15 am-11:04 pm

2 stops24h 49m

$531

PortlandTrieste

PDX - TRS

PDXTRS

Portland

Tue 2/24

7:00 am-10:25 am

2 stops18h 25m

Trieste Ronchi dei Legionari

Tue 3/10

6:15 am-11:04 pm

2 stops24h 49m

$542

PortlandTrieste

PDX - TRS

PDXTRS

Portland

Tue 2/24

1:18 pm-10:25 am

3 stops36h 07m

Trieste Ronchi dei Legionari

Tue 3/10

6:35 am-7:14 pm

2 stops20h 39m

$1,058

PortlandTrieste

PDX - TRS

PDXTRS

Portland

Fri 2/27

7:05 am-10:45 pm

3 stops30h 40m

$403

PortlandTrieste

PDX - TRS

PDXTRS

Portland

Fri 2/27

10:39 am-8:40 pm

2 stops49h 01m

$466

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How to get the cheapest flight ticket from Portland 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, KLM and Delta are the top three most popular airlines that fly to Trieste from Portland according to our data. British Airways is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Trieste. Keep in mind that there are 7 different airlines that fly to Trieste on a routine basis, so you have a few additional options to choose from.

When to book flights from Portland to Trieste

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Trieste according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

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Fastest flight time	24h 22m
Direct flights	None

The fastest flight from Portland to Trieste takes 24h 22m

There are no direct flights from Portland to Trieste. There are no popular flight routes from Portland to Trieste.

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How far is Portland to Trieste Ronchi dei Legionari by plane?
The straight-line distance from Portland to Trieste Ronchi dei Legionari is 5597.1 mi. A reasonable flight in good conditions will take 24h 22m.
When did momondo last update prices for flights from Portland Airport to Trieste Ronchi dei Legionari Airport?
Prices for flights from Portland Airport to Trieste Ronchi dei Legionari Airport were last updated today.
How old do you have to be to fly from Portland Airport to Trieste Ronchi dei Legionari Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Trieste Ronchi dei Legionari Airport.
What documentation or ID do you need to fly to Trieste Ronchi dei Legionari Airport?
The travel and health documents required for your trip to Trieste Ronchi dei Legionari Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Trieste Ronchi dei Legionari Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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Grado

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Portland to Trieste. momondo saves you time and could save you money on your trip.

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

All flight searches from Portland to Trieste on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Portland and Trieste by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Portland to Trieste flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Portland to Trieste from $403

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Trieste departing on 2/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Filter for what you want

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Trusted and free

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How to get the cheapest flight ticket from Portland to Trieste

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How far is Portland to Trieste Ronchi dei Legionari by plane?

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

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

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

Traveling to a place near Trieste?

Why use momondo?

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

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

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

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

An easier way to manage your Trieste trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Italy

Fly your favorite airline to Trieste

Airlines are sorted and displayed according to clicks in the past 7 days on momondo