Cheapest return flights from Philadelphia to Madrid in September from 466€

AirHint found the following cheapest return flights from Philadelphia (PHL) to Madrid (MAD) in September 2025 (see full year).

Return flights

23 Sep - 30 Sep United
19 Sep - 26 Sep Air Canada
29 Sep - 06 Oct Iberia direct
25 Sep - 29 Sep Finnair
18 Sep - 25 Sep United
09 Sep - 16 Sep British Airways direct
10 Sep - 17 Sep Iberia direct
26 Sep - 03 Oct Iberia direct
19 Sep - 26 Sep British Airways direct
25 Sep - 29 Sep British Airways direct
02 Sep - 09 Sep United
19 Sep - 22 Sep Air Canada

Also check the deals for one-way flights from Philadelphia to Madrid in September.

Skyscanner

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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