Cheapest return flights from Seattle (SEA) to Barcelona (BCN)

Cheapest month: November 2026, from $ 594. Book in one tap, or open a month for every date.

All destinations from Seattle (SEA)

One-wayReturn

  • November 2026

    15–26 Nov 11 nights
    $ 594 return Cheapest month
    Condor
    Price seen 10 Oct
    November dates

  • February 2027

    24 Feb – 10 Mar 2027 14 nights
    $ 644 return
    Icelandair
    Price seen 10 Oct
    February dates

  • April 2027

    13–23 Apr 2027 10 nights
    $ 945 return
    Direct KLM
    Price seen 10 Oct
    April dates

  • July 2027

    31 Jul – 1 Sep 2027 32 nights
    $ 852 return
    Condor
    Price seen 10 Oct
    July dates

  • August 2027

    21 Aug – 5 Sep 2027 15 nights
    $ 1,155 return
    Direct KLM
    Price seen 10 Oct
    August dates
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Updated Oct 10, 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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