Cheapest one-way flights from Washington to Santiago in December from 204€

AirHint found the following cheapest one-way flights from Washington (IAD) to Santiago (SCL) in December 2025 (see full year).

One-Way flights

01 Dec Avianca
11 Dec LATAM Airlines Group
06 Dec Delta
12 Dec Avianca
13 Dec Frontier Airlines
24 Dec Frontier Airlines
25 Dec Frontier Airlines
23 Dec Frontier Airlines
22 Dec Frontier Airlines
21 Dec Frontier Airlines

Also check the deals for return flights from Washington 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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