AirHint found the following cheapest one-way flights from Seattle (SEA) to Barcelona (BCN) in August 2026 (see full year).
One-Way flights
| 16 Aug | Icelandair | ||
| 20 Aug | Icelandair | ||
| 25 Aug | Icelandair | ||
| 18 Aug | Icelandair | ||
| 06 Aug | Icelandair | ||
| 31 Aug | Icelandair | ||
| 19 Aug | Icelandair | ||
| 22 Aug | Icelandair | ||
| 21 Aug | Icelandair | ||
| 27 Aug | Icelandair |
Also check the deals for return flights from Seattle to Barcelona in August.
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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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