Cheapest return flights from Boston to Ljubljana in April from $516

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

Return flights

03 Apr - 10 Apr Lufthansa
05 Apr - 12 Apr Lufthansa
02 Apr - 09 Apr Lufthansa
12 Apr - 19 Apr Lufthansa
06 Apr - 13 Apr SWISS
11 Apr - 18 Apr SWISS
04 Apr - 11 Apr Brussels Airlines
23 Apr - 30 Apr SWISS
01 Apr - 06 Apr SWISS
29 Apr - 07 May Turkish Airlines
07 Apr - 14 Apr SWISS
24 Apr - 01 May SWISS
25 Apr - 02 May SWISS
26 Apr - 03 May SWISS
27 Apr - 04 May SWISS

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

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