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Cheap flights from Portland (PDX) to Slovenia

PDX — LJU
Oct 29 — Nov 51
Wed 10/29
Wed 11/5
1 adult, Economy
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Cheap flight deals from Portland to Slovenia

Keep the following information in mind while searching for Portland to Slovenia flight deals. Data was last updated September 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

June

Cheapest in

March

Average price

$1,458
Provider with most accurate pricing for Portland-Ljubljana Joze Pucnik flight deals.
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Provider most trusted by Cheapflights users for Portland-Ljubljana Joze Pucnik flights.
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Highest demand for flights based on searches. 17% potential increase in price ($251 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Cheapflights Insights

Everything you need to know about your flight from Portland to Slovenia

What is the cheapest time of day to fly from PDX to SI?

Find hourly flight availability from Portland to Slovenia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 29, 2025.

When flying from Portland to Slovenia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Slovenia

Get insights into the airlines that provide service to Slovenia. 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 Slovenia. Reviews last updated September 29, 2025.
Get a feel of what it's like to fly with Delta from Portland to Slovenia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,964 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,964 reviews
Delta
8.0
Very good
7,964 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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

  • What airport do you fly from for flights from Portland to Slovenia?

    For a flight from Portland to Slovenia, you will be flying from Portland. Portland (PDX) is just 6.0 mi from the center of the city.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Portland to Slovenia?

    Currently, February is the cheapest month in which you can book a flight from Portland to Slovenia (average of $710). Flying from Portland to Slovenia in June is currently the most expensive (average of $1,430). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for Portland to Slovenia

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Portland to Slovenia

Discover the top airline that operate flights from Portland to Slovenia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$757Average$1,153FlexibilityNo cancel feeOn-timeN/A

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