Cheapest return flights from Phoenix to Santiago in December from 599€

AirHint found the following cheapest return flights from Phoenix (PHX) to Santiago (SCL) in December 2025 (see full year).

Return flights

03 Dec - 15 Dec Frontier Airlines
12 Dec - 20 Dec Frontier Airlines
22 Dec - 31 Dec Frontier Airlines
13 Dec - 01 Jan Frontier Airlines
12 Dec - 02 Jan Frontier Airlines
24 Dec - 03 Jan Frontier Airlines
19 Dec - 27 Dec United
24 Dec - 02 Jan Delta
25 Dec - 03 Jan Delta

Also check the deals for one-way flights from Phoenix to Santiago in December.

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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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