Cheapest return flights from Santiago to Philadelphia in April from 360€

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

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

Return flights

25 Apr - 18 May Frontier Airlines
04 Apr - 25 Apr Frontier Airlines
07 Apr - 12 Apr jetBlue
17 Apr - 20 Apr Frontier Airlines
10 Apr - 21 Apr Frontier Airlines
11 Apr - 21 Apr Frontier Airlines
04 Apr - 12 Apr Frontier Airlines
18 Apr - 18 May Frontier Airlines
18 Apr - 27 Apr Frontier Airlines

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