Cheapest return flights from Seattle to Santiago in May from $795

Best time to book flights for Seattle (SEA) to Santiago (SCL) flights at AirHint

AirHint found the following cheapest return flights from Seattle (SEA) to Santiago (SCL) in May 2025 (see full year).

Return flights

03 May - 10 May Frontier Airlines
18 May - 25 May Frontier Airlines
24 May - 31 May Hawaiian Airlines
20 May - 01 Jun Hawaiian Airlines
24 May - 01 Jun Alaska Airlines
22 May - 31 May Air Canada
22 May - 01 Jun Spirit Airlines
19 May - 26 May Hawaiian Airlines
23 May - 01 Jun WestJet
22 May - 24 May Frontier Airlines
23 May - 31 May Frontier Airlines

Also check the deals for one-way flights from Seattle to Santiago in May.

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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