Cheapest return flights from Philadelphia to Santiago in March from $279

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 March 2025 (see full year).

Return flights

01 Mar - 09 Mar Frontier Airlines
16 Mar - 31 Mar Frontier Airlines
13 Mar - 24 Mar Frontier Airlines
22 Mar - 06 Apr Frontier Airlines
20 Mar - 13 Apr Frontier Airlines
28 Mar - 11 Apr Frontier Airlines
03 Mar - 30 Mar Frontier Airlines
28 Mar - 05 Apr Spirit Airlines

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

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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