Brussels to Seattle Flights on Aer Lingus from €369.31*

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Book Brussels to Seattle flight deals*

Jun 2026
From€369.31*
Seen: 19 hrs ago
Each way/Economy
Jul 2026
No result for this month.
Aug 2026
From€393.81*
Seen: 11 hrs ago
Each way/Economy
€369.31
Displaying fares for May-2026
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    • Range€369.31-€392.81

    * 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.

    Aer Lingus Plane Image

    Book Brussels to Seattle flight deals*

    *Roundtrip Restrictions apply.
    Each way fare as part of a return trip including taxes and charges. One way fare including taxes and charges.

    Testing Each way

    Testing Each way
    From
    To
    Fare Type
    Dates
    Price
    Brussels (BRU)Seattle (SEA)Each way
    /
    Economy    		19 Jun 2026 - 7 Jul 2026

    From

    €369.31

    Seen: 19 hrs ago

    Explore other routes

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    Dublin (DUB)to

    New York (JFK)
    10 Nov 2026 - 17 Nov 2026
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    €223.24
    Seen: 3 hrs ago
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    3 Jun 2026 - 9 Jun 2026
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    Depart: 31 Aug 2026
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    5 Sep 2026 - 10 Sep 2026
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    $605.18
    Seen: 23 hrs ago
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    Dublin (DUB)to

    Paris (CDG)
    Depart: 14 Jul 2026
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    €62.96
    Seen: 12 minutes ago
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    Faro (FAO)
    Depart: 11 May 2026
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    €71.21
    Seen: 2 hrs ago
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    New York (JFK)to

    Dublin (DUB)
    4 Nov 2026 - 21 Nov 2026
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    $570.99
    Seen: 2 hrs ago
    Roundtrip*
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    Dublin (DUB)to

    London (LHR)
    Depart: 13 Jun 2026
    From
    €59.25
    Seen: 1 hour ago
    One way
    Economy

    Dublin (DUB)to

    Boston (BOS)
    4 Jun 2026 - 14 Jun 2026
    From
    €225.24
    Seen: 2 hrs ago
    Each way
    Economy

    Dublin (DUB)to

    Chicago (ORD)
    3 Nov 2026 - 10 Nov 2026
    From
    €252.74
    Seen: 4 hrs ago
    Each way
    Economy

    Dublin (DUB)to

    Lanzarote (ACE)
    Depart: 21 May 2026
    From
    €106.25
    Seen: 47 minutes ago
    One way
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    Dublin (DUB)to

    Nashville (BNA)
    27 Oct 2026 - 1 Nov 2026
    From
    €240.24
    Seen: 1 hour ago
    Each way
    Economy

    Cleveland (CLE)to

    Dublin (DUB)
    2 Nov 2026 - 11 Nov 2026
    From
    $739.99
    Seen: 17 hrs ago
    Roundtrip*
    Economy

    Dublin (DUB)to

    Tenerife (TFS)
    Depart: 10 May 2026
    From
    €103.02
    Seen: 6 hrs ago
    One way
    Economy

    Chicago (ORD)to

    Dublin (DUB)
    1 Nov 2026 - 10 Nov 2026
    From
    $691.99
    Seen: 16 hrs ago
    Roundtrip*
    Economy

    Dublin (DUB)to

    Toronto (YYZ)
    25 Oct 2026 - 31 Oct 2026
    From
    €221.07
    Seen: 1 hour ago
    Each way
    Economy

    Boston (BOS)to

    Shannon (SNN)
    16 Oct 2026 - 18 Oct 2026
    From
    $603.23
    Seen: 15 hrs ago
    Roundtrip*
    Economy

    Raleigh (RDU)to

    Dublin (DUB)
    9 Nov 2026 - 20 Nov 2026
    From
    $691.99
    Seen: 2 hrs ago
    Roundtrip*
    Economy

    London (LHR)to

    Dublin (DUB)
    8 Jun 2026 - 14 Jun 2026
    From
    £62.99
    Seen: 1 hour ago
    Each way
    Economy

    Dublin (DUB)to

    Rome (FCO)
    Depart: 4 Nov 2026
    From
    €77.25
    Seen: 20 hrs ago
    One way
    Economy