Southampton to Washington, D.C. Flights on Aer Lingus

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Book Southampton to Washington, D.C. flight deals*

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    • Aer Lingus Plane Image

    Book Southampton to Washington, D.C. 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.

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    £

    London (LHR)to

    Dublin (DUB)
    8 Aug 2026 - 22 Aug 2026
    From
    £62.99
    Seen: 2 hrs ago
    Each way
    Economy

    Manchester (MAN)to

    Orlando (MCO)
    23 Nov 2026 - 30 Nov 2026
    From
    £303.99
    Seen: 2 hrs ago
    Each way
    Economy

    Manchester (MAN)to

    New York (JFK)
    7 Dec 2026 - 11 Dec 2026
    From
    £288.99
    Seen: 4 hrs ago
    Each way
    Economy

    London (LHR)to

    Cork (ORK)
    29 Jul 2026 - 12 Aug 2026
    From
    £51.19
    Seen: 4 hrs ago
    Each way
    Economy

    Leeds (LBA)to

    Belfast (BHD)
    Depart: 30 Jun 2026
    From
    £38.99
    Seen: 1 hour ago
    One way
    Economy

    Edinburgh (EDI)to

    Dublin (DUB)
    9 Jun 2026 - 10 Jun 2026
    From
    £39.97
    Seen: 1 hour ago
    Each way
    Economy

    Manchester (MAN)to

    Belfast (BHD)
    28 Jun 2026 - 30 Jun 2026
    From
    £38.99
    Seen: 2 hrs ago
    Each way
    Economy

    Birmingham (BHX)to

    Dublin (DUB)
    17 Jul 2026 - 24 Jul 2026
    From
    £29.29
    Seen: 3 hrs ago
    Each way
    Economy

    Birmingham (BHX)to

    Belfast (BHD)
    Depart: 29 Jun 2026
    From
    £38.99
    Seen: 3 hrs ago
    One way
    Economy

    London (LHR)to

    Shannon (SNN)
    10 Jun 2026 - 17 Jun 2026
    From
    £51.38
    Seen: 2 hrs ago
    Each way
    Economy

    Belfast (BHD)to

    Leeds (LBA)
    Depart: 9 Jun 2026
    From
    £44.99
    Seen: 1 hour ago
    One way
    Economy

    Southampton (SOU)to

    Dublin (DUB)
    15 Jun 2026 - 28 Jun 2026
    From
    £49.77
    Seen: 50 minutes ago
    Each way
    Economy

    Edinburgh (EDI)to

    Belfast (BHD)
    Depart: 19 Jun 2026
    From
    £39.99
    Seen: 1 hour ago
    One way
    Economy

    Southampton (SOU)to

    Belfast (BHD)
    28 Jun 2026 - 29 Jun 2026
    From
    £44.99
    Seen: 1 hour ago
    Each way
    Economy

    Belfast (BHD)to

    Edinburgh (EDI)
    Depart: 30 Jun 2026
    From
    £39.99
    Seen: 1 hour ago
    One way
    Economy

    Bristol (BRS)to

    Dublin (DUB)
    7 Jun 2026 - 10 Jun 2026
    From
    £30.82
    Seen: 2 hrs ago
    Each way
    Economy

    Manchester (MAN)to

    Dublin (DUB)
    30 Jul 2026 - 5 Aug 2026
    From
    £26.27
    Seen: 16 hrs ago
    Each way
    Economy

    Belfast (BHD)to

    Southampton (SOU)
    28 Jun 2026 - 1 Jul 2026
    From
    £43.67
    Seen: 15 hrs ago
    Each way
    Economy

    Belfast (BHD)to

    Birmingham (BHX)
    Depart: 21 Jun 2026
    From
    £39.99
    Seen: 2 hrs ago
    One way
    Economy

    Glasgow (GLA)to

    Dublin (DUB)
    8 Jun 2026 - 9 Jun 2026
    From
    £34.95
    Seen: 3 hrs ago
    Each way
    Economy