HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ljubljana

Cheap flights from Portland (PDX) to Ljubljana (LJU)

PDX — LJU
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portland to Ljubljana with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Portland to Ljubljana

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Ljubljana (LJU). 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 1, 2025.

Popular in

September

Cheapest in

March
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($38 potential savings vs. average RT price).
Search Deals

Best time to book a flight from Portland to Ljubljana

Have a flexible travel schedule? Discover the best time to fly to Ljubljana 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.

Cheapflights Insights

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

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

Find hourly flight availability from Portland to Ljubljana. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 1, 2025.

When flying from Portland to Ljubljana, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 30% versus a flight at noon.

Related info for your journey

Find useful and relevant information for your journey from Portland to Ljubljana. 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 Ljubljana that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Portland to Ljubljana 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 Ljubljana?

    Currently, February is the cheapest month in which you can book a flight from Portland to Ljubljana (average of $710). Flying from Portland to Ljubljana in June is currently the most expensive (average of $1,449). 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.

See more FAQs

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Kranjska Gora

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Portland to Ljubljana

See prices for flight routes from nearby airports that may be better suited for you.
Medford to Ljubljana flights
Eugene to Ljubljana flights

Top 3 airlines flying from Portland to Ljubljana

Discover the top 3 airlines that operate flights from Portland to Ljubljana. 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 July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$757Average$1,153FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$855Average$1,405FlexibilityNo cancel feeOn-time76%
SWISSCheapest$1,135Average$1,509FlexibilityNo cancel feeOn-time79%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.