Cheapest return flights from Seattle to Santiago in July from $859

AirHint found the following cheapest return flights from Seattle (SEA) to Santiago (SCL) in July 2026 (see full year).

Return flights

27 Jul - 03 Aug Frontier Airlines
29 Jul - 05 Aug Frontier Airlines
30 Jul - 05 Aug Frontier Airlines
27 Jul - 02 Aug Frontier Airlines
28 Jul - 03 Aug Frontier Airlines
23 Jul - 29 Jul Alaska Airlines
27 Jul - 31 Jul Alaska Airlines

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

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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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