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Cheap flights from Boston to Shannon

Book Boston to Shannon flight deals*

Lowest fares from
From
To
To
  • June2022
    From
    $1,715.95*
    Seen:1dayago
    Roundtrip*|Economy
  • July2022
    From
    $848.95*
    Seen:7hrsago
    Roundtrip*|Economy
  • August2022
    From
    $594.45*
    Seen:1dayago
    Roundtrip*|Economy
  • September2022
    From
    $434.45*
    Seen:7hrsago
    Roundtrip*|Economy
  • October2022
    From
    $434.45*
    Seen:1dayago
    Roundtrip*|Economy
  • November2022
    From
    $413.95*
    Seen:18hrsago
    Roundtrip*|Economy
  • BOS-SNN

    Boston to Shannon

    Date: 11 Sep 2022-

    20 Sep 2022

    From
    $514.95*

    *Roundtrip Restrictions apply.

    BOS-SNN

    Boston to Shannon

    Date: 11 Sep 2022-

    19 Sep 2022

    From
    $550.95*

    *Roundtrip Restrictions apply.

    BOS-SNN

    Boston to Shannon

    Date: 2 Sep 2022-

    16 Dec 2022

    From
    $628.45*

    *Roundtrip Restrictions apply.

    BOS-SNN

    Boston to Shannon

    Date: 16 Aug 2022-

    6 Sep 2022

    From
    $685.45*

    *Roundtrip Restrictions apply.

    BOS-SNN

    Boston to Shannon

    Date: 22 Aug 2022-

    7 Sep 2022

    From
    $685.45*

    *Roundtrip Restrictions apply.

    BOS-SNN

    Boston to Shannon

    Date: 21 Aug 2022-

    1 Sep 2022

    From
    $685.45*

    *Roundtrip Restrictions apply.

    BOS-SNN

    Boston to Shannon

    Date: 25 Aug 2022-

    18 Dec 2022

    From
    $744.45*

    *Roundtrip Restrictions apply.

    BOS-SNN

    Boston to Shannon

    Date: 25 Aug 2022-

    19 Dec 2022

    From
    $744.45*

    *Roundtrip Restrictions apply.

    BOS-SNN

    Boston to Shannon

    Date: 16 Aug 2022-

    5 Sep 2022

    From
    $788.45*

    *Roundtrip Restrictions apply.

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

    Aer Lingus Plane Image

    Weather in Shannon

    Tuesday moderate rain
    17°C 28 Jun 2022
    Wednesday light rain
    15°C 29 Jun 2022
    Thursday light rain
    17°C 30 Jun 2022
    Friday light rain
    18°C 1 Jul 2022
    Saturday light rain
    17°C 2 Jul 2022
    Sunday overcast clouds
    18°C 3 Jul 2022
    Monday light rain
    17°C 4 Jul 2022
    Powered By: OpenWeatherMap.org