Cheapest return flights from Philadelphia to Santiago in April from 343€

Best time to book flights for Philadelphia (PHL) to Santiago (STI) flights at AirHint

AirHint found the following cheapest return flights from Philadelphia (PHL) to Santiago (STI) in April 2025 (see full year).

Return flights

09 Apr - 25 Apr Frontier Airlines
25 Apr - 28 Apr Frontier Airlines
20 Apr - 28 Apr Frontier Airlines
11 Apr - 14 Apr Frontier Airlines
04 Apr - 21 Apr Frontier Airlines
13 Apr - 18 Apr Frontier Airlines
13 Apr - 20 Apr Frontier Airlines
17 Apr - 20 Apr Frontier Airlines
17 Apr - 21 Apr Frontier Airlines
12 Apr - 18 Apr Frontier Airlines

Also check the deals for one-way flights from Philadelphia to Santiago in April.

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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