Skip to main content
Select journey type

cmp-travelers-helptext

Cheap flights from Boston to Shannon

Book Boston to Shannon flight deals*

Lowest fares from
From
To
To
  • October2022
    From
    $437.84*
    Seen:1dayago
    Roundtrip*|Economy
  • November2022
    From
    $392.84*
    Seen:1dayago
    Roundtrip*|Economy
  • December2022
    From
    $392.84*
    Seen:1dayago
    Roundtrip*|Economy
  • January2023
    From
    $392.84*
    Seen:1dayago
    Roundtrip*|Economy
  • February2023
    From
    $392.84*
    Seen:1dayago
    Roundtrip*|Economy
  • BOS-SNN

    Boston to Shannon

    Date: Dec 29 2022-

    Feb 22 2023

    From
    $392.84*

    *Roundtrip Restrictions apply.

    BOS-SNN

    Boston to Shannon

    Date: Dec 28 2022-

    Jan 5 2023

    From
    $392.84*

    *Roundtrip Restrictions apply.

    BOS-SNN

    Boston to Shannon

    Date: Dec 7 2022-

    Dec 15 2022

    From
    $392.84*

    *Roundtrip Restrictions apply.

    BOS-SNN

    Boston to Shannon

    Date: Dec 29 2022-

    Jan 9 2023

    From
    $392.84*

    *Roundtrip Restrictions apply.

    BOS-SNN

    Boston to Shannon

    Date: Nov 28 2022-

    Mar 15 2023

    From
    $392.84*

    *Roundtrip Restrictions apply.

    BOS-SNN

    Boston to Shannon

    Date: Nov 10 2022-

    Nov 15 2022

    From
    $392.84*

    *Roundtrip Restrictions apply.

    BOS-SNN

    Boston to Shannon

    Date: Dec 6 2022-

    Dec 20 2022

    From
    $392.84*

    *Roundtrip Restrictions apply.

    BOS-SNN

    Boston to Shannon

    Date: Nov 21 2022-

    Dec 1 2022

    From
    $392.84*

    *Roundtrip Restrictions apply.

    BOS-SNN

    Boston to Shannon

    Date: Dec 5 2022-

    Dec 20 2022

    From
    $392.84*

    *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

    Book Boston to Shannon flight deals*

    1. Boston (BOS) to Shannon (SNN)

      BOS-SNN

      Date: Jan 5 2023-

      Jan 19 2023

      From
      $392.84*
    2. Boston (BOS) to Shannon (SNN)

      BOS-SNN

      Date: Jan 3 2023-

      Jan 9 2023

      From
      $392.84*
    3. Boston (BOS) to Shannon (SNN)

      BOS-SNN

      Date: Feb 23 2023-

      Mar 2 2023

      From
      $392.84*
    4. Boston (BOS) to Shannon (SNN)

      BOS-SNN

      Date: Mar 1 2023-

      Mar 16 2023

      From
      $392.84*
    5. Boston (BOS) to Shannon (SNN)

      BOS-SNN

      Date: Mar 2 2023-

      Mar 16 2023

      From
      $392.84*
    6. Boston (BOS) to Shannon (SNN)

      BOS-SNN

      Date: Jan 23 2023-

      Feb 1 2023

      From
      $392.84*
    7. Boston (BOS) to Shannon (SNN)

      BOS-SNN

      Date: Mar 20 2023-

      Mar 28 2023

      From
      $392.84*
    8. Boston (BOS) to Shannon (SNN)

      BOS-SNN

      Date: Jan 12 2023-

      Jan 16 2023

      From
      $392.84*
    9. Boston (BOS) to Shannon (SNN)

      BOS-SNN

      Date: Mar 2 2023-

      Mar 9 2023

      From
      $392.84*
    10. Boston (BOS) to Shannon (SNN)

      BOS-SNN

      Date: Mar 1 2023-

      Mar 9 2023

      From
      $392.84*

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

    Weather in Shannon

    Friday moderate rain
    60°F Sep 30 2022
    Saturday light rain
    60°F Oct 1 2022
    Sunday broken clouds
    61°F Oct 2 2022
    Monday overcast clouds
    64°F Oct 3 2022
    Tuesday moderate rain
    60°F Oct 4 2022
    Wednesday light rain
    55°F Oct 5 2022
    Thursday moderate rain
    56°F Oct 6 2022
    Powered By: OpenWeatherMap.org