Shannon to Boston Flights on Aer Lingus from €254.05*

Promo Code

Book Shannon (SNN) to Boston (BOS) flight deals*

Mar 2026
From€291.44*
Seen: 10 hrs ago
Each way/Economy
Apr 2026
From€279.05*
Seen: 3 hrs ago
Each way/Economy
May 2026
From€279.05*
Seen: 3 hrs ago
Each way/Economy
€279.05
€1.8K
Displaying fares for March-2026
  • 11

    We

    MAR

  • 12

    Th

  • 13

    Fr

  • 14

    Sa

  • 15

    Su

  • 16

    Mo

  • 17

    Tu

  • 18

    We

  • 19

    Th

  • 20

    Fr

  • 21

    Sa

  • 22

    Su

  • 23

    Mo

  • 24

    Tu

  • 25

    We

  • 26

    Th

  • 27

    Fr

  • 28

    Sa

  • 29

    Su

  • 30

    Mo

  • 31

    Tu

  • 01

    We

    APR

  • 02

    Th

  • 03

    Fr

  • 04

    Sa

  • 05

    Su

  • 06

    Mo

  • 07

    Tu

  • 08

    We

  • 09

    Th

  • 10

    Fr

    • Range€279.05-€1,811.55

    * 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.

    Boston skyline, featuring prominent buildings and the harbor with numerous sailboats
    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 Shannon to Boston flight deals*

    Book Shannon to Boston flight deals*
    From
    To
    Fare Type
    Dates
    Price
    Shannon (SNN)Boston (BOS)Each way
    /
    Economy    		22 Nov 2026 - 2 Dec 2026

    From

    €254.05

    Seen: 7 hrs ago

    Shannon (SNN)Boston (BOS)Each way
    /
    Economy    		30 Nov 2026 - 7 Dec 2026

    From

    €254.05

    Seen: 6 hrs ago

    Shannon (SNN)Boston (BOS)Each way
    /
    Economy    		14 Nov 2026 - 28 Nov 2026

    From

    €253.94

    Seen: 10 hrs ago

    Shannon (SNN)Boston (BOS)Each way
    /
    Economy    		7 Oct 2026 - 21 Oct 2026

    From

    €279.05

    Seen: 1 hour ago

    Shannon (SNN)Boston (BOS)Each way
    /
    Economy    		10 Sep 2026 - 19 Sep 2026

    From

    €279.05

    Seen: 7 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.

    Explore other routes