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Trieste

$920+ Cheap flights from Portland (PDX) to Trieste (TRS)

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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — TRS
Jul 16 — Jul 231
Thu 7/16
Thu 7/23
1 adult, Economy
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Cheap flight deals from Portland to Trieste

Cheapest flights from Portland to Trieste
Explore the most affordable flight options available from Portland to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 16, 2026.

This Orbitz deal was found by Cheapflights users on 6/12. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/83:00 pm
PDX
-
TRS
2 stops22h 15m
Multiple Airlines
Sat 9/196:15 am
TRS
-
PDX
2 stops24h 40m
Multiple Airlines
Deal found 6/12$920
This Justfly.com deal was found by Cheapflights users on 6/11. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/22:27 pm
PDX
-
TRS
2 stops22h 28m
Multiple Airlines
Fri 10/166:10 am
TRS
-
PDX
2 stops21h 56m
Multiple Airlines
Deal found 6/11$1,071
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Fri 10/26:55 pm
PDX
-
TRS
2 stops54h 30m
United Airlines
Fri 10/166:35 am
TRS
-
PDX
3 stops27h 24m
United Airlines
Deal found 6/12$1,739
This oojo deal was found by Cheapflights users on 6/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1912:18 pm
PDX
-
TRS
2 stops25h 07m
Condor
Mon 11/22:45 pm
TRS
-
PDX
2 stops37h 56m
Condor
Deal found 6/15$1,805
This Arangrant deal was found by Cheapflights users on 6/15. 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 Arangrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1910:10 am
PDX
-
TRS
2 stops18h 45m
Lufthansa
Mon 11/22:45 pm
TRS
-
PDX
2 stops36h 20m
Lufthansa
Deal found 6/15$2,098
This United Airlines deal was found by Cheapflights users on 6/15. 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.
Mon 10/198:25 am
PDX
-
TRS
2 stops41h 00m
United Airlines
Mon 11/26:35 am
TRS
-
PDX
3 stops44h 56m
United Airlines
Deal found 6/15$2,991

Find flight deals from Portland to Trieste

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Trieste (TRS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 16, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$920
(Orbitz)
Provider with most accurate pricing for Portland-Trieste Ronchi dei Legionari flight deals.
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Provider most trusted by Cheapflights users for Portland-Trieste Ronchi dei Legionari flights.
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From Portland to Trieste Ronchi dei Legionari
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland 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, Cheapflights users made 2,558,603 searches. Data last updated June 16, 2026.
Use the filters below to find and compare flights from Portland 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

Fri 10/2

2:27 pm-9:55 pm

2 stops22h 28m

Trieste Ronchi dei Legionari

Fri 10/16

6:10 am-7:06 pm

2 stops21h 56m

$1,071

PortlandTrieste

PDX - TRS

PDXTRS

Portland

Fri 10/2

6:55 pm-10:25 am

2 stops54h 30m

Trieste Ronchi dei Legionari

Fri 10/16

6:35 am-12:59 am

3 stops27h 24m

$1,739

PortlandTrieste

PDX - TRS

PDXTRS

Portland

Mon 10/19

12:18 pm-10:25 pm

2 stops25h 07m

Trieste Ronchi dei Legionari

Mon 11/2

2:45 pm-7:41 pm

2 stops37h 56m

$1,805

PortlandTrieste

PDX - TRS

PDXTRS

Portland

Mon 10/19

10:10 am-1:55 pm

2 stops18h 45m

Trieste Ronchi dei Legionari

Mon 11/2

2:45 pm-6:05 pm

2 stops36h 20m

$2,098

PortlandTrieste

PDX - TRS

PDXTRS

Portland

Mon 10/19

8:25 am-10:25 am

2 stops41h 00m

Trieste Ronchi dei Legionari

Mon 11/2

6:35 am-6:31 pm

3 stops44h 56m

$2,991

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on Portland-Trieste flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Portland-Trieste flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Portland-Trieste flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-Trieste flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Trieste flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Portland to Trieste

Have a flexible travel schedule? Discover the best time to fly to Trieste from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Portland to Trieste. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Portland to Trieste?

    United Airlines and Condor can get you from Portland to Trieste in just under 25h 07m. Your travel time can differ by up to 29h 23m. The distance from Portland to Trieste is about 5574 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Portland to Trieste that include hotel bookings?

    Yes. In addition to deals on Portland to Trieste flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Trieste?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Trieste.

  • Can I find deals for business class flights from Portland to Trieste?

    Yes. Cheapflights offers flight deals from Portland to Trieste by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Complete your trip

Complete your trip to Trieste by adding a car rental and/or hotel reservation to your travel itinerary.
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Trieste Ronchi dei Legionari Airport car rentals
Venice Treviso A. Canova Airport car rentals

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