Cheapest return flights from Seattle to Barcelona in April from $481

Best time to book flights for Seattle (SEA) to Barcelona (BCN) flights at AirHint

AirHint found the following cheapest return flights from Seattle (SEA) to Barcelona (BCN) in April 2025 (see full year).

Return flights

02 Apr - 09 Apr Aer Lingus
01 Apr - 07 Apr Aer Lingus
01 Apr - 08 Apr Air Canada
01 Apr - 09 Apr Aer Lingus
02 Apr - 16 Apr Lufthansa
02 Apr - 14 Apr Aer Lingus
21 Apr - 28 Apr Icelandair
26 Apr - 03 May Icelandair
27 Apr - 04 May Icelandair
29 Apr - 06 May United
08 Apr - 15 Apr Finnair
29 Apr - 19 May Icelandair
08 Apr - 16 Apr Air Canada
03 Apr - 10 Apr United
30 Apr - 08 May United

Also check the deals for one-way flights from Seattle to Barcelona in April.

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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