Southampton to Boston Flights on Aer Lingus

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Book Southampton to Boston flight deals*

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May 2026
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Displaying fares for May-2026
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    • Aer Lingus Plane Image

    Book Southampton to Boston 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.

    QA FE Test Travel Dates Filter Feature Prepro

    £

    London (LHR)to

    Dublin (DUB)
    13 Jun 2026 - 14 Jun 2026
    From
    £62.99
    Seen: 4 hrs ago
    Each way
    Economy

    Manchester (MAN)to

    New York (JFK)
    15 Nov 2026 - 20 Nov 2026
    From
    £262.31
    Seen: 8 hrs ago
    Each way
    Economy

    Birmingham (BHX)to

    Belfast (BHD)
    Depart: 17 May 2026
    From
    £39.99
    Seen: 24 minutes ago
    One way
    Economy

    Birmingham (BHX)to

    Dublin (DUB)
    22 Jun 2026 - 27 Jun 2026
    From
    £29.28
    Seen: 23 hrs ago
    Each way
    Economy

    Belfast (BHD)to

    Birmingham (BHX)
    Depart: 31 May 2026
    From
    £39.99
    Seen: 17 hrs ago
    One way
    Economy

    London (LHR)to

    Shannon (SNN)
    19 May 2026 - 20 May 2026
    From
    £49.19
    Seen: 22 hrs ago
    Each way
    Economy

    Edinburgh (EDI)to

    Dublin (DUB)
    18 May 2026 - 22 May 2026
    From
    £39.96
    Seen: 21 hrs ago
    Each way
    Economy

    London (LHR)to

    Cork (ORK)
    29 May 2026 - 2 Jun 2026
    From
    £70.22
    Seen: 1 hour ago
    Each way
    Economy

    Manchester (MAN)to

    Orlando (MCO)
    10 Jun 2026 - 24 Jun 2026
    From
    £284.55
    Seen: 23 hrs ago
    Each way
    Economy

    Manchester (MAN)to

    Dublin (DUB)
    29 May 2026 - 3 Jun 2026
    From
    £48.76
    Seen: 22 hrs ago
    Each way
    Economy

    Glasgow (GLA)to

    Dublin (DUB)
    11 May 2026 - 12 May 2026
    From
    £34.94
    Seen: 23 hrs ago
    Each way
    Economy

    Leeds (LBA)to

    Belfast (BHD)
    Depart: 30 May 2026
    From
    £39.99
    Seen: 18 hrs ago
    One way
    Economy

    Manchester (MAN)to

    Belfast (BHD)
    28 May 2026 - 31 May 2026
    From
    £39.99
    Seen: 17 hrs ago
    Each way
    Economy

    Belfast (BHD)to

    Manchester (MAN)
    Depart: 29 May 2026
    From
    £39.99
    Seen: 2 hrs ago
    One way
    Economy

    Southampton (SOU)to

    Dublin (DUB)
    13 May 2026 - 16 May 2026
    From
    £39.77
    Seen: 23 hrs ago
    Each way
    Economy

    Southampton (SOU)to

    Belfast (BHD)
    29 May 2026 - 31 May 2026
    From
    £45.99
    Seen: 21 hrs ago
    Each way
    Economy

    Bristol (BRS)to

    Dublin (DUB)
    13 Jun 2026 - 14 Jun 2026
    From
    £30.82
    Seen: 23 hrs ago
    Each way
    Economy

    Belfast (BHD)to

    Southampton (SOU)
    19 May 2026 - 26 May 2026
    From
    £45.99
    Seen: 17 hrs ago
    Each way
    Economy

    Edinburgh (EDI)to

    Belfast (BHD)
    Depart: 22 May 2026
    From
    £39.99
    Seen: 14 hrs ago
    One way
    Economy

    Belfast (BHD)to

    Leeds (LBA)
    Depart: 29 May 2026
    From
    £39.99
    Seen: 16 hrs ago
    One way
    Economy