Boston to Shannon Flights on Aer Lingus from $341.91*

Promo Code

Book Boston to Shannon flight deals*

Jun 2025
No result for this month.
$391.41
$1.5K
Displaying fares for June-2025
  • 29

    Su

    JUN

  • 30

    Mo

  • 01

    Tu

    JUL

  • 02

    We

  • 03

    Th

  • 04

    Fr

  • 05

    Sa

  • 06

    Su

  • 07

    Mo

  • 08

    Tu

  • 09

    We

  • 10

    Th

  • 11

    Fr

  • 12

    Sa

  • 13

    Su

  • 14

    Mo

  • 15

    Tu

  • 16

    We

  • 17

    Th

  • 18

    Fr

  • 19

    Sa

  • 20

    Su

  • 21

    Mo

  • 22

    Tu

  • 23

    We

  • 24

    Th

  • 25

    Fr

  • 26

    Sa

  • 27

    Su

  • 28

    Mo

    • Range$391.41-$1,530.51

    * 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
    Email Sign Up
    Aer Lingus Newsletter
    Sign Up and Save

    ✔ Be first to receive current offers

    ✔ Learn about new and exciting destinations

    ✔ Get the latest travel news and more

    Sign Me Up

    Book Boston to Shannon flight deals*

    Book Boston to Shannon flight deals*
    From
    To
    Fare Type
    Dates
    Price
    Boston (BOS)Shannon (SNN)Roundtrip*
    /
    Economy    		Mar 1 2026 - Mar 6 2026

    From

    $341.91

    Seen: 6 hrs ago

    Boston (BOS)Shannon (SNN)Roundtrip*
    /
    Economy    		Mar 24 2026 - Apr 7 2026

    From

    $366.41

    Seen: 2 hrs ago

    Boston (BOS)Shannon (SNN)Roundtrip*
    /
    Economy    		Mar 18 2026 - Mar 25 2026

    From

    $366.41

    Seen: 20 hrs ago

    Boston (BOS)Shannon (SNN)Roundtrip*
    /
    Economy    		Mar 25 2026 - Apr 1 2026

    From

    $366.41

    Seen: 1 hour ago

    Boston (BOS)Shannon (SNN)Roundtrip*
    /
    Economy    		Apr 1 2026 - Apr 10 2026

    From

    $390.91

    Seen: 20 hrs ago

    * 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.