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Trieste

$706+ 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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — TRS
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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 September 11, 2025.

Round-trip from

$706
(Lufthansa)
From Portland to Trieste Ronchi dei Legionari
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Find 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 September 11, 2025.

This Lufthansa deal was found by Cheapflights users on 9/10. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/197:00 amPDX - TRS
2 stops30h 40mLufthansa
Sun 11/233:00 pmTRS - PDX
2 stops42h 26mLufthansa
Deal found 9/10$706
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 11/197:00 amPDX - TRS
2 stops18h 25mUnited Airlines
Sun 11/236:35 amTRS - PDX
3 stops38h 38mUnited Airlines
Deal found 9/10$1,843
This Justfly.com deal was found by Cheapflights users on 9/10. 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.
Mon 12/1510:10 amPDX - TRS
2 stops18h 50mLufthansa
Tue 1/66:25 amTRS - PDX
2 stops21h 31mLufthansa
Deal found 9/10$13,099
This Justfly.com deal was found by Cheapflights users on 9/10. 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.
Sun 12/143:55 pmPDX - TRS
2 stops37h 05mLufthansa
Tue 1/66:25 amTRS - PDX
2 stops25h 07mLufthansa
Deal found 9/10$13,137
This KAYAK deal was found by Cheapflights users on 9/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1210:10 amPDX - TRS
2 stops18h 55mLufthansa
Sat 1/106:25 amTRS - PDX
2 stops25h 07mLufthansa
Deal found 9/10$13,445
This KAYAK deal was found by Cheapflights users on 9/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1210:10 amPDX - TRS
2 stops18h 55mLufthansa
Sun 1/43:00 pmTRS - PDX
2 stops40h 46mLufthansa
Deal found 9/10$13,466
This KAYAK deal was found by Cheapflights users on 9/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/183:54 pmPDX - TRS
2 stops37h 11mLufthansa
Tue 1/66:25 amTRS - PDX
2 stops21h 31mLufthansa
Deal found 9/10$13,483
This KAYAK deal was found by Cheapflights users on 9/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/143:55 pmPDX - TRS
2 stops37h 05mLufthansa
Sun 1/43:00 pmTRS - PDX
2 stops36h 48mLufthansa
Deal found 9/10$13,504
This KAYAK deal was found by Cheapflights users on 9/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1710:10 amPDX - TRS
2 stops18h 55mLufthansa
Tue 1/66:25 amTRS - PDX
2 stops21h 23mLufthansa
Deal found 9/10$15,695
This KAYAK deal was found by Cheapflights users on 9/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1710:10 amPDX - TRS
2 stops18h 55mLufthansa
Sun 1/43:00 pmTRS - PDX
2 stops40h 46mLufthansa
Deal found 9/10$15,716

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 September 11, 2025.
Use the filters below to find and compare flights from Portland to Trieste that are best for you.

Fly from

Portland

Fly to

Trieste

Route

Depart

Return

Price

PortlandTrieste

PDX - TRS

PDXTRS

Portland

Wed 11/19

7:30 am-10:40 pm

2 stops30h 10m

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

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

$1,843

PortlandTrieste

PDX - TRS

PDXTRS

Portland

Mon 12/15

10:10 am-2:00 pm

2 stops18h 50m

Trieste Ronchi dei Legionari

Thu 1/8

6:25 am-12:43 am

2 stops27h 18m

$13,099

PortlandTrieste

PDX - TRS

PDXTRS

Portland

Sun 12/14

3:55 pm-2:00 pm

2 stops37h 05m

Trieste Ronchi dei Legionari

Thu 1/8

6:25 am-6:56 pm

2 stops21h 31m

$13,137

PortlandTrieste

PDX - TRS

PDXTRS

Portland

Sat 12/13

10:10 am-2:05 pm

2 stops18h 55m

Trieste Ronchi dei Legionari

Tue 1/6

6:25 am-6:48 pm

2 stops21h 23m

$13,445

PortlandTrieste

PDX - TRS

PDXTRS

Portland

Tue 12/16

10:10 am-2:00 pm

2 stops18h 50m

Trieste Ronchi dei Legionari

Sat 1/10

6:25 am-10:32 pm

2 stops25h 07m

$13,445

PortlandTrieste

PDX - TRS

PDXTRS

Portland

Sat 12/13

10:10 am-2:05 pm

2 stops18h 55m

Trieste Ronchi dei Legionari

Sat 1/10

6:25 am-6:56 pm

2 stops21h 31m

$13,445

PortlandTrieste

PDX - TRS

PDXTRS

Portland

Fri 12/12

10:10 am-2:05 pm

2 stops18h 55m

Trieste Ronchi dei Legionari

Thu 1/8

6:25 am-6:56 pm

2 stops21h 31m

$13,445

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

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?

    Lufthansa and United Airlines can get you from Portland to Trieste in just under 18h 25m. Your travel time can differ by up to 11h 45m. 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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