Cheap flights from Boston to County Dublin from CA $248

View CA $248 flight on Mon, Oct. 13, 2025Opens in a new window

Popular airlines from Boston to County Dublin

  • Air Canada

    Air Canada

  • Icelandair

    Icelandair

  • JetBlue Airways

    JetBlue Airways

  • British Airways

    British Airways

  • Aer Lingus

    Aer Lingus

  • Lufthansa

    Lufthansa

  • TAP Portugal

    TAP Portugal

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Cheap flights from Boston (BOS) to County Dublin (DUB)

Prices were available within the past 7 days and start at CA $248 for one-way flights and CA $457 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fly Play
Wed, Sep. 3 - Wed, Sep. 10
BOS
Boston
DUB
Dublin
CA $457 Roundtrip, found 1 day ago
CA $457
Roundtrip
found 1 day ago
Select Fly Play flight, departing Wed, Sep. 3 from Boston to Dublin, returning Wed, Sep. 10, priced at CA $457 found 1 day ago
Aer Lingus
Sun, Oct. 26 - Tue, Nov. 4
BOS
Boston
DUB
Dublin
CA $464 Roundtrip, found 3 days ago
CA $464
Roundtrip
found 3 days ago
Select Aer Lingus flight, departing Sun, Oct. 26 from Boston to Dublin, returning Tue, Nov. 4, priced at CA $464 found 3 days ago
United
Tue, Aug. 12 - Thu, Aug. 21
BOS
Boston
DUB
Dublin
CA $468 Roundtrip, found 4 days ago
CA $468
Roundtrip
found 4 days ago
Select United flight, departing Tue, Aug. 12 from Boston to Dublin, returning Thu, Aug. 21, priced at CA $468 found 4 days ago
JetBlue Airways
Tue, Aug. 5 - Tue, Aug. 19
BOS
Boston
DUB
Dublin
CA $470 Roundtrip, found 4 days ago
CA $470
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Tue, Aug. 5 from Boston to Dublin, returning Tue, Aug. 19, priced at CA $470 found 4 days ago
Air Canada
Sat, Nov. 8 - Sat, Nov. 15
BOS
Boston
DUB
Dublin
CA $480 Roundtrip, found 3 days ago
CA $480
Roundtrip
found 3 days ago
Select Air Canada flight, departing Sat, Nov. 8 from Boston to Dublin, returning Sat, Nov. 15, priced at CA $480 found 3 days ago
Delta
Tue, Aug. 12 - Thu, Aug. 21
BOS
Boston
DUB
Dublin
CA $483 Roundtrip, found 6 days ago
CA $483
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Aug. 12 from Boston to Dublin, returning Thu, Aug. 21, priced at CA $483 found 6 days ago

Find the cheapest month to fly from Boston (BOS) to Dublin (DUB)

January is typically the cheapest month to fly

From CA $372 - CA $927 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.