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Cheapest one-way flights from Seattle (SEA) to Barcelona (BCN), August

Select a price to book. see full year.

Dates, airline, and price
Dates	Airline	Price
22 Aug	Icelandair
30 Aug	Icelandair
05 Aug	Icelandair
20 Aug	Icelandair
01 Aug	Icelandair
15 Aug	Icelandair
25 Aug	United
25 Aug	Air France Direct Flight
20 Aug	Delta Direct Flight
29 Aug	Delta Direct Flight

deals for return flights from Seattle to Barcelona in August.

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Updated Jul 15, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest one-way flights from Seattle (SEA) to Barcelona (BCN), August

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