Cheapest return flights from Boston (BOS) to Dublin (DUB)

Cheapest month: October 2026, from $ 475. Book in one tap, or open a month for every date.

All destinations from Boston (BOS)

One-wayReturn

  • October 2026

    22–31 Oct 9 nights
    $ 475 return Cheapest month
    Air Canada
    Price seen 12 Oct
    October dates

  • January 2027

    11 Jan – 18 May 2027 127 nights
    $ 565 return
    Direct Aer Lingus
    Price seen 12 Oct
    January dates

  • February 2027

    28 Feb – 30 Apr 2027 61 nights
    $ 539 return
    Icelandair
    Price seen 12 Oct
    February dates

  • March 2027

    2–9 Mar 2027 7 nights
    $ 488 return
    Scandinavian Airlines
    Price seen 12 Oct
    March dates

  • April 2027

    14–20 Apr 2027 6 nights
    $ 482 return
    Scandinavian Airlines
    Price seen 12 Oct
    April dates

  • June 2027

    28 Jun – 9 Jul 2027 11 nights
    $ 756 return
    Direct Aer Lingus
    Price seen 12 Oct
    June dates

  • August 2027

    21–23 Aug 2027 2 nights
    $ 621 return
    Direct Aer Lingus
    Price seen 12 Oct
    August dates

  • September 2027

    1–8 Sep 2027 7 nights
    $ 604 return
    Air Canada
    Price seen 11 Oct
    September dates
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Updated Oct 13, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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