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Cheap Flights from Portland to Ljubljana

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      Travellers and cabin class, 1 Adult, Economy

      Compare Portland to Ljubljana flight deals

      Find the cheapest month or even day of the year to fly to Ljubljana

      Book the best Ljubljana fare with no extra fees

      Flight deals from Portland to Ljubljana

      Looking for a cheap last-minute deal or the best return flight from Portland Airport to Ljubljana Airport? If you want to travel next month, return fares start from R 16,734. Find the lowest prices on one-way and return tickets right here.
      Ljubljana.R 6,383 per passenger.Departing Thu, 1 Oct.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Portland on Thu, 1 Oct, arriving in Ljubljana.Price includes taxes and charges.From R 6,383, select.
      Ljubljana.R 7,075 per passenger.Departing Sat, 26 Sep.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Portland on Sat, 26 Sep, arriving in Ljubljana.Price includes taxes and charges.From R 7,075, select.
      Ljubljana.R 7,232 per passenger.Departing Tue, 2 Feb.One-way flight with Delta.Outbound indirect flight with Delta, departs from Portland on Tue, 2 Feb, arriving in Ljubljana.Price includes taxes and charges.From R 7,232, select.
      Ljubljana.R 7,241 per passenger.Departing Sun, 4 Apr.One-way flight with Air France.Outbound indirect flight with Air France, departs from Portland on Sun, 4 Apr, arriving in Ljubljana.Price includes taxes and charges.From R 7,241, select.
      Ljubljana.R 7,286 per passenger.Departing Sun, 7 Mar.One-way flight with Air France.Outbound indirect flight with Air France, departs from Portland on Sun, 7 Mar, arriving in Ljubljana.Price includes taxes and charges.From R 7,286, select.
      Ljubljana.R 7,295 per passenger.Departing Sun, 29 Nov.One-way flight with Air France.Outbound indirect flight with Air France, departs from Portland on Sun, 29 Nov, arriving in Ljubljana.Price includes taxes and charges.From R 7,295, select.
      Ljubljana.R 8,643 per passenger.Departing Tue, 18 May.One-way flight with Delta.Outbound indirect flight with Delta, departs from Portland on Tue, 18 May, arriving in Ljubljana.Price includes taxes and charges.From R 8,643, select.
      Ljubljana.R 10,352 per passenger.Departing Sun, 20 Jun.One-way flight with Delta.Outbound indirect flight with Delta, departs from Portland on Sun, 20 Jun, arriving in Ljubljana.Price includes taxes and charges.From R 10,352, select.
      Ljubljana.R 11,555 per passenger.Departing Sun, 30 Aug.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Portland on Sun, 30 Aug, arriving in Ljubljana.Price includes taxes and charges.From R 11,555, select.

      Find the cheapest month to fly from Portland to Ljubljana

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Portland to Ljubljana flights are currently cheapest in October.
      Aug
      from R 11,555
      Sep
      from R 7,075
      Oct
      from R 6,383
      Nov
      from R 7,295
      Dec
      Find prices
      Jan
      Find prices
      Feb
      from R 7,232
      Mar
      from R 7,286
      Apr
      from R 7,241
      May
      from R 8,643
      Jun
      from R 10,352
      Jul
      Find prices

      Portland to Ljubljana: Alternative routes

      Compare routes from Portland to Ljubljana below. You may find an airport to fly into that's cheaper, faster, or easier than Ljubljana.

      Ljubljana

      20km from central Ljubljana
      ClosestCheapest
      from R 6,374
      Search flights

      Klagenfurt

      67km from central Ljubljana
      from R 6,528
      Search flights

      Trieste

      84km from central Ljubljana
      from R 6,472
      Search flights

      Portland to Ljubljana: Flight information

      The things to know before you go.
      Cheapest flight foundR 6,383
      Cheapest month to flyOctober

      Finding cheap flights from Portland to Ljubljana: Frequently asked questions

      The best price we found for a return flight from Portland to Ljubljana is R 15,077. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      Currently, there are no airlines that fly direct from Portland to Ljubljana. But we found flights with one or more stops from R 15,099.
      As of August 2026, there are no flights flying from Portland to Ljubljana.
      The cheapest month to fly from Portland to Ljubljana is usually October.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Portland Airport to Ljubljana Airport on Wednesday, 14 October 2026.
      No airlines currently offer direct flights between Portland Airport and Ljubljana Airport. Most routes have one or more stops.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Ljubljana but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

      We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Ljubljana is around 40 days in advance, so don’t leave your flight to the last minute.

      Currently, Lufthansa offers the cheapest flight tickets to Ljubljana.

      Travelling from Portland Airport (PDX) to Ljubljana Airport (LJU): what you need to know

      • Ljubljana is nine hours ahead of Portland and follows the UTC+1 timezone.

      • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules worth sticking to. Get to the airport on time to catch your PDX to LJU flight.

      • During popular months such as July, you'll want to get to the airport earlier than normal. Plan to arrive two hours before domestic departures and four hours ahead for an international flight when you travel during a high season in general.

      • If you'd love to visit a different city along the way, consider a flight with a stopover. To see all your options for tickets from Portland Airport to Ljubljana Airport, deselect 'Direct flights only.' London Heathrow Airport is a popular stop between PDX and LJU.

      How to find the cheapest flights from Portland Airport (PDX) to Ljubljana Airport (LJU)

      • R 6,383 is the lowest price for a one-way Portland Airport to Ljubljana Airport flight. Return flights start at R 15,099. These prices may change depending on demand and availability.

      • It's usually smart to book in advance if you're looking for cheap tickets from PDX to LJU. That's because flight prices are based on demand, which tends to rise closer to the date of departure.

      • If you're willing to be flexible with your travel dates, try using the 'Whole month' search function. It'll find the cheapest price across every month when looking for your flight from Portland Airport to Ljubljana Airport.

      • Never miss a deal on cheap flights from PDX to LJU by setting up a Price Alert. You'll get an email or notification on the app when a lower fare becomes available.

      • Discover the ideal flight for you with the help of the filters. To see the 'Cheapest,' 'Best' or 'Fastest' flights from Portland Airport to Ljubljana Airport, use the 'Sort by' tool. You can also filter by departure and arrival times, airline, and journey duration.

      Handy information about Portland Airport (PDX)

      • You'll find PDX at 7000 NE Airport Way.

      • Portland Airport earns top marks for on-time performance. 83% of flights that depart PDX arrive at their destination without delay.

      • Portland Airport is about 19 kilometres from central Portland. If you're catching a taxi, ride-sharing or driving from the centre, it'll take 20 minutes or so to get there, depending on the traffic.

      • You can expect a journey time of roughly 40 minutes when using public transport.

      • Get your trip off to a stress-free start by staying near PDX. Whether you're taking an early flight from Portland Airport to Ljubljana Airport or just don't like being rushed, these hotels are the answer:

      Arriving at Ljubljana Airport (LJU)

      • Reserve a hotel near LJU if you're on a late Portland Airport to Ljubljana Airport flight. Select one of these options and make your arrival easier:

      • Get your adventure underway by picking up a Ljubljana Airport rental car. Grab a set of wheels from Garage Nr1, Carwiz or Avant Car and experience the lesser-explored corners of Ljubljana and beyond.

      • Lock in the best possible rate by booking your vehicle from Ljubljana Airport about one week before your trip.

      Getting from Ljubljana Airport (LJU) to central Ljubljana

      • From Ljubljana Airport, Ljubljana is approximately 26 kilometres away. It takes around 30 minutes to get to the centre driving.

      • It takes roughly 40 minutes when travelling by public transport.

      When to fly to Ljubljana Airport (LJU)

      • It's time to choose your dates for your flight from Portland Airport to Ljubljana Airport. August is the busiest month to head to Ljubljana. If you'd like a more low-key vibe, go in March.

      • The warmest month in Ljubljana is July, with the temperature ranging between 13ºC (55ºF) and 29ºC (84ºF). Lock in your flights from Portland Airport to Ljubljana Airport in this month if this is the kind of weather you like.

      • If you like travelling in cooler conditions, look for a cheap ticket from PDX to LJU in January. Average temperatures are between -7ºC (19ºF) and 7ºC (45ºF) then.

      Explore more of Slovenia

      • You've seen Ljubljana, now it's time to discover other corners of Slovenia. Journey about 105 kilometres north-east to Maribor to check off its leading attractions. From Mariborsko Pohorje Ski Resort to Mariborska promenada and Vetrinjski dvorec, you'll have a full itinerary ahead.

      • Celje is another standout destination in Slovenia and is around 64 kilometres east of Ljubljana. No journey is complete without seeing Celje Castle, Celje Cathedral of Saint Daniel and Prince's Palace.

      Plan the rest of your trip from Portland to Ljubljana

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.