AirHint found the following cheapest return flights from Philadelphia (PHL) to Split (SPU) in May 2026 (see full year).

Return flights

05 May - 29 May	Air Canada
12 May - 29 May	Air Canada
05 May - 28 May	Air Canada
05 May - 19 May	Air Canada
06 May - 14 May	Lufthansa
02 May - 22 May	Air Canada
05 May - 26 May	Air Canada
06 May - 25 May	Lufthansa
12 May - 26 May	Lufthansa
06 May - 20 May	Air Canada
12 May - 02 Jun	Air Canada
13 May - 03 Jun	SWISS
16 May - 05 Jun	Air Canada
13 May - 01 Jun	Lufthansa
19 May - 09 Jun	Air Canada
20 May - 10 Jun	Lufthansa
20 May - 16 Jun	Lufthansa
27 May - 17 Jun	British Airways
27 May - 04 Jun	British Airways
26 May - 03 Jun	British Airways

Also check the deals for one-way flights from Philadelphia to Split in May.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Philadelphia to Split in May from $510

Return flights