Cheapest return flights from Portland to Ljubljana in April from $544

AirHint found the following cheapest return flights from Portland (PDX) to Ljubljana (LJU) in April 2026 (see full year).

Return flights

01 Apr - 08 Apr KLM
14 Apr - 21 Apr KLM
21 Apr - 28 Apr KLM
22 Apr - 29 Apr KLM
27 Apr - 04 May Air France
08 Apr - 15 Apr KLM
09 Apr - 16 Apr Delta
12 Apr - 19 Apr Delta
02 Apr - 09 Apr Delta
17 Apr - 24 Apr Delta
19 Apr - 26 Apr KLM
24 Apr - 01 May Delta
26 Apr - 03 May Air France
30 Apr - 07 May Delta
25 Apr - 02 May Delta
28 Apr - 05 May KLM
29 Apr - 06 May Delta

Also check the deals for one-way flights from Portland to Ljubljana in April.

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