Trip.com
>
Cheap Flights
>
Ireland
>
Boston to Ireland flight

Flying From Boston to Ireland: What You Need to Know

Cheapest one-way flight price£192
Cheapest return ticket price£335
Off-season travel monthNovember
Peak season for travelJanuary
Popular airlineDelta Air Lines
Cheapest monthNovember

Compare multiple airlines at once to find the best flight deals from Boston to Ireland.

Airlines Flying From Boston to Ireland
Delta Air Lines logo Delta Air Lines
Aer Lingus logo Aer Lingus

Search Flights From Boston to Ireland

Easily compare flights from Boston to Ireland and find the cheapest tickets available!

Looking for cheap flights from Boston to Ireland? Check out prices for the next 90 days, starting at just £192 for a one-way ticket and £335 for a round trip.

      • Cheapest nonstop
        Sun, Oct 25
        BOS
        DUB
        |
        Boston
        Dublin
        Direct | Aer Lingus
        Sun, Nov 1
        DUB
        BOS
        |
        Dublin
        Boston
        Direct | Aer Lingus
        £336 £360
        7% off
        7% off
        £360 £336
      • Fri, Oct 30
        BOS
        DUB
        |
        Boston
        Dublin
        Direct | Aer Lingus
        Sat, Nov 7
        DUB
        BOS
        |
        Dublin
        Boston
        Direct | Aer Lingus
        £336 £360
        7% off
        7% off
        £360 £336
      • Tue, Nov 10
        BOS
        DUB
        |
        Boston
        Dublin
        1 stop | American Airlines
        Wed, Nov 18
        DUB
        BOS
        |
        Dublin
        Boston
        1 stop | American Airlines
        £335 £360
        7% off
        7% off
        £360 £335
      • Wed, Nov 11
        BOS
        DUB
        |
        Boston
        Dublin
        1 stop | American Airlines
        Sun, Nov 15
        DUB
        BOS
        |
        Dublin
        Boston
        1 stop | American Airlines
        £337
        6% off
        £360 £337
      • Mon, Nov 9
        BOS
        DUB
        |
        Boston
        Dublin
        1 stop | American Airlines
        Mon, Nov 16
        DUB
        BOS
        |
        Dublin
        Boston
        1 stop | American Airlines
        £337
        6% off
        £360 £337
      • Wed, Nov 4
        BOS
        DUB
        |
        Boston
        Dublin
        1 stop | American Airlines
        Mon, Nov 9
        DUB
        BOS
        |
        Dublin
        Boston
        1 stop | American Airlines
        £337
        6% off
        £360 £337
      • Thu, Nov 5
        BOS
        DUB
        |
        Boston
        Dublin
        1 stop | American Airlines
        Fri, Nov 13
        DUB
        BOS
        |
        Dublin
        Boston
        1 stop | American Airlines
        £337
        6% off
        £360 £337
      • Tue, Nov 3
        BOS
        DUB
        |
        Boston
        Dublin
        1 stop | American Airlines
        Wed, Nov 11
        DUB
        BOS
        |
        Dublin
        Boston
        1 stop | American Airlines
        £337
        6% off
        £360 £337
      • Mon, Nov 2
        BOS
        DUB
        |
        Boston
        Dublin
        1 stop | American Airlines
        Mon, Nov 9
        DUB
        BOS
        |
        Dublin
        Boston
        1 stop | American Airlines
        £337
        6% off
        £360 £337
      • Mon, Oct 26
        BOS
        DUB
        |
        Boston
        Dublin
        1 stop | American Airlines
        Mon, Nov 2
        DUB
        BOS
        |
        Dublin
        Boston
        1 stop | American Airlines
        £338
        6% off
        £360 £338
      • Tue, Sep 15
        BOS
        DUB
        |
        Boston
        Dublin
        1 stop | Normal Airline
        Thu, Sep 17
        DUB
        BOS
        |
        Dublin
        Boston
        Direct | Normal Airline
        Find more flights
        Find more flights
      • Cheapest nonstop
        Sat, Sep 26
        BOS
        DUB
        |
        Boston
        Dublin
        Direct | Jetblue Airways
        £232 £249
        7% off
        7% off
        £249 £232
      • Wed, Sep 30
        BOS
        DUB
        |
        Boston
        Dublin
        Direct | Jetblue Airways
        £234 £249
        6% off
        6% off
        £249 £234
      • Mon, Nov 2
        BOS
        DUB
        |
        Boston
        Dublin
        1 stop | Icelandair
        £192 £249
        23% off
        23% off
        £249 £192
      • Wed, Nov 11
        BOS
        DUB
        |
        Boston
        Dublin
        1 stop | Icelandair
        £193
        22% off
        £249 £193
      • Sat, Oct 17
        BOS
        DUB
        |
        Boston
        Dublin
        1 stop | Icelandair
        £197
        21% off
        £249 £197
      • Mon, Nov 9
        BOS
        DUB
        |
        Boston
        Dublin
        1 stop | Icelandair
        £198
        20% off
        £249 £198
      • Thu, Oct 15
        BOS
        DUB
        |
        Boston
        Dublin
        1 stop | Icelandair
        £198
        20% off
        £249 £198
      • Fri, Oct 30
        BOS
        DUB
        |
        Boston
        Dublin
        1 stop | Icelandair
        £198
        20% off
        £249 £198
      • Tue, Oct 13
        BOS
        DUB
        |
        Boston
        Dublin
        1 stop | Icelandair
        £198
        20% off
        £249 £198
      • Sat, Nov 7
        BOS
        DUB
        |
        Boston
        Dublin
        1 stop | Icelandair
        £198
        20% off
        £249 £198
      • Tue, Nov 3
        BOS
        DUB
        |
        Boston
        Dublin
        1 stop | Icelandair
        £198
        20% off
        £249 £198
      • Wed, Oct 14
        BOS
        DUB
        |
        Boston
        Dublin
        1 stop | Icelandair
        £200
        20% off
        £249 £200
      • Tue, Sep 15
        BOS
        DUB
        |
        Boston
        Dublin
        1 stop | Normal Airline
        Find more flights
        Find more flights

Displayed flight fares from Boston to Ireland are based on average prices across airlines over the next 3 months, according to the latest Trip.com data.

FAQs: Flights From Boston to Ireland

  • What is the cheapest Boston to Ireland flight route?

    The cheapest return flight from Boston to Ireland is on the route from Boston to Dublin, with prices starting at £436 for a return trip between 2026-05-31 and 2026-06-05.
  • According to our flights calendar over the next 90 days, it seems the cheapest date is on 2026-11-08 for one-way flights.
  • Based on our flight data, the average flight time from Boston to Ireland is approximately 6 hours 5 minutes based on our most popular routes from Boston to Dublin. The time may also vary depending on your destination.
  • The cheapest airline flying to Ireland from Boston is Icelandair serving route from Boston to Dublin.
  • There are direct flights from Boston to Ireland. Dublin, and Shannon are all popular destinations in Ireland.

Find Cheap Flights with Trip.com