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.

$706 Cheap Flights from Portland to Trieste in 2025/26

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Find the cheapest flights from Portland to Trieste

Round-trip

One-way

Cheap round-trip flights

7:30 am - 2:05 pmPDX-TRS

21h 35m2 stops

3:00 pm - 12:26 amTRS-PDX

42h 26m2 stops

$706Lufthansa

Find Deal

Wed, Nov 19 - Sun, Nov 23

11:59 pm - 10:25 amPDX-TRS

25h 26m2 stops

6:35 am - 12:13 pmTRS-PDX

38h 38m3 stops

$1,893United Airlines

Find Deal

Wed, Nov 19 - Sun, Nov 23

7:00 am - 10:25 amPDX-TRS

18h 25m2 stops

6:35 am - 12:13 pmTRS-PDX

38h 38m3 stops

$1,966United Airlines

Find Deal

Wed, Nov 19 - Sun, Nov 23

3:52 pm - 2:05 pmPDX-TRS

37h 13m2 stops

6:25 am - 6:56 pmTRS-PDX

21h 31m2 stops

$13,066Lufthansa

Find Deal

Wed, Dec 24 - Thu, Jan 8

7:30 am - 2:00 pmPDX-TRS

21h 30m2 stops

6:25 am - 6:56 pmTRS-PDX

21h 31m2 stops

$13,099Lufthansa

Find Deal

Tue, Dec 23 - Thu, Jan 8

7:30 am - 10:25 pmPDX-TRS

29h 55m2 stops

6:25 am - 6:56 pmTRS-PDX

21h 31m2 stops

$13,445Lufthansa

Find Deal

Sun, Dec 21 - Tue, Jan 6

3:54 pm - 2:00 pmPDX-TRS

37h 06m2 stops

6:25 am - 6:56 pmTRS-PDX

21h 31m2 stops

$13,483Lufthansa

Find Deal

Mon, Dec 22 - Tue, Jan 6

7:30 am - 2:00 pmPDX-TRS

21h 30m2 stops

3:00 pm - 6:48 pmTRS-PDX

36h 48m2 stops

$15,715Lufthansa

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Sun, Dec 21 - Sun, Jan 11

3:54 pm - 2:00 pmPDX-TRS

37h 06m2 stops

3:00 pm - 12:43 amTRS-PDX

42h 43m2 stops

$15,754Lufthansa

Find Deal

Mon, Dec 22 - Sun, Jan 11

Lufthansa flights from Portland to Trieste

Our best Lufthansa deals on Portland to Trieste flight tickets

Lufthansa

Nov 19

PDX7:30 amPortland

21h 35m

2 stops

TRS2:05 pmTrieste Ronchi dei Legionari

Nov 23

TRS3:00 pmTrieste Ronchi dei Legionari

42h 26m

2 stops

PDX12:26 amPortland

$706

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Lufthansa

Dec 24

PDX3:52 pmPortland

37h 13m

2 stops

TRS2:05 pmTrieste Ronchi dei Legionari

Jan 8

TRS6:25 amTrieste Ronchi dei Legionari

21h 31m

2 stops

PDX6:56 pmPortland

$13,066

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Lufthansa

Dec 23

PDX7:30 amPortland

21h 30m

2 stops

TRS2:00 pmTrieste Ronchi dei Legionari

Jan 8

TRS6:25 amTrieste Ronchi dei Legionari

21h 31m

2 stops

PDX6:56 pmPortland

$13,099

Find similar

United Airlines flights from Portland to Trieste

Our best United Airlines deals on Portland to Trieste flight tickets

United Airlines

Nov 19

PDX11:59 pmPortland

25h 26m

2 stops

TRS10:25 amTrieste Ronchi dei Legionari

Nov 23

TRS6:35 amTrieste Ronchi dei Legionari

38h 38m

3 stops

PDX12:13 pmPortland

$1,893

Find similar

United Airlines

Nov 19

PDX7:00 amPortland

18h 25m

2 stops

TRS10:25 amTrieste Ronchi dei Legionari

Nov 23

TRS6:35 amTrieste Ronchi dei Legionari

38h 38m

3 stops

PDX12:13 pmPortland

$1,966

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandTrieste

PDX - TRS

PDXTRS

Portland

Wed 11/19

7:30 am-2:05 pm

2 stops21h 35m

Trieste Ronchi dei Legionari

Sun 11/23

3:00 pm-12:26 am

2 stops42h 26m

$706

PortlandTrieste

PDX - TRS

PDXTRS

Portland

Wed 11/19

11:59 pm-10:25 am

2 stops25h 26m

Trieste Ronchi dei Legionari

Sun 11/23

6:35 am-12:13 pm

3 stops38h 38m

$1,893

PortlandTrieste

PDX - TRS

PDXTRS

Portland

Wed 11/19

7:00 am-10:25 am

2 stops18h 25m

Trieste Ronchi dei Legionari

Sun 11/23

6:35 am-12:13 pm

3 stops38h 38m

$1,966

PortlandTrieste

PDX - TRS

PDXTRS

Portland

Wed 12/24

3:52 pm-2:05 pm

2 stops37h 13m

Trieste Ronchi dei Legionari

Thu 1/8

6:25 am-6:56 pm

2 stops21h 31m

$13,066

PortlandTrieste

PDX - TRS

PDXTRS

Portland

Tue 12/23

7:30 am-2:00 pm

2 stops21h 30m

Trieste Ronchi dei Legionari

Thu 1/8

6:25 am-6:56 pm

2 stops21h 31m

$13,099

PortlandTrieste

PDX - TRS

PDXTRS

Portland

Sun 12/21

7:30 am-10:25 pm

2 stops29h 55m

Trieste Ronchi dei Legionari

Tue 1/6

6:25 am-6:56 pm

2 stops21h 31m

$13,445

PortlandTrieste

PDX - TRS

PDXTRS

Portland

Mon 12/22

3:54 pm-2:00 pm

2 stops37h 06m

Trieste Ronchi dei Legionari

Tue 1/6

6:25 am-6:56 pm

2 stops21h 31m

$13,483

PortlandTrieste

PDX - TRS

PDXTRS

Portland

Sun 12/21

7:30 am-2:00 pm

2 stops21h 30m

Trieste Ronchi dei Legionari

Sun 1/11

3:00 pm-6:48 pm

2 stops36h 48m

$15,715

PortlandTrieste

PDX - TRS

PDXTRS

Portland

Mon 12/22

3:54 pm-2:00 pm

2 stops37h 06m

Trieste Ronchi dei Legionari

Sun 1/11

3:00 pm-12:43 am

2 stops42h 43m

$15,754

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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, Delta and KLM 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 39% 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.

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

Cheap Portland to Trieste (PDX to TRS) flight deals and tips

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

Direct flights	None

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 18h 25m.
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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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 $706

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Trieste departing on 11/19. 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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Lufthansa flights from Portland to Trieste

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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?

When to book flights from Portland to Trieste

Cheap Portland to Trieste (PDX to TRS) flight deals and tips

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

Direct flights

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