Seattle to Brussels Flights on Aer Lingus from $569.20*

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Book Seattle to Brussels flight deals*

Jul 2025
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    • * Fares displayed include air transportation charges, taxes and fees. Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Fares are economy class and may include connections with our partner airlines. Modifying this information may result in a different fare. Additional baggage fees and charges for optional products and services may apply.

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    Book Seattle to Brussels flight deals*

    Book Seattle to Brussels flight deals*
    From
    To
    Fare Type
    Dates
    Price
    Seattle (SEA)Brussels (BRU)Roundtrip*
    /
    Economy    		7 Apr 2026 - 18 Apr 2026

    From

    $708.70

    Seen: 9 hrs ago

    * Fares displayed include air transportation charges, taxes and fees. Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Fares are economy class and may include connections with our partner airlines. Modifying this information may result in a different fare. Additional baggage fees and charges for optional products and services may apply.