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Trieste

$635+ Cheap flights from Portland (PDX) to Trieste (TRS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — TRS
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
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 July 29, 2025.

Round-trip from

$916
(Ovago)

One-way from

$635
(Lufthansa)
From Portland to Trieste Ronchi dei Legionari
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One-way flight 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 July 29, 2025.

This Lufthansa deal was found by Cheapflights users on 7/27. 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 11/127:30 amPDX - TRS
2 stops30h 15mLufthansa
Sun 11/162:45 pmTRS - PDX
2 stops40h 48mLufthansa
Deal found 7/27$724
This Booking.com deal was found by Cheapflights users on 7/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/123:30 pmPDX - TRS
1 stop21h 55mMultiple Airlines
Fri 9/196:30 amTRS - PDX
1 stop16h 00mMultiple Airlines
Deal found 7/29$930

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 July 29, 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

Fri 9/12

10:00 am-10:25 pm

2 stops27h 25m

Trieste Ronchi dei Legionari

Fri 9/19

6:30 am-6:46 pm

2 stops21h 16m

$916

PortlandTrieste

PDX - TRS

PDXTRS

Portland

Fri 9/12

3:30 pm-10:25 pm

1 stop21h 55m

Trieste Ronchi dei Legionari

Fri 9/19

6:30 am-1:30 pm

1 stop16h 00m

$930

PortlandTrieste

PDX - TRS

PDXTRS

Portland

Tue 9/23

10:55 am-2:05 pm

2 stops18h 10m

$635

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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.

Reviews of airlines servicing Trieste

Get insights into the airlines that provide service to Trieste. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Trieste. Reviews last updated July 29, 2025.
Get a feel of what it's like to fly with Lufthansa from Portland to Trieste by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Lufthansa
6.8
Okay
7,265 reviews

Comfort

6.8

Entertainment

6.4

Boarding

7.0

Food

6.3

Crew

7.6

Overall

6.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

SFO - FRA

Convenient flight to my destination. Good entertainment options on board. I was seated close to some people who had noisy children which made sleeping a bit challenging.
Lufthansa
6.8
Okay
7,265 reviews
Lufthansa
6.8
Okay
7,265 reviews

Comfort

6.8

Entertainment

6.4

Boarding

7.0

Food

6.3

Crew

7.6

Overall

6.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

SFO - FRA

Convenient flight to my destination. Good entertainment options on board. I was seated close to some people who had noisy children which made sleeping a bit challenging.

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.

  • 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.

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