Flights From Portsmouth (BOS) to Shannon (SNN)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Selected fares from Portsmouth to Shannon

The cheapest prices found with in the last 7 days for return flights were CA $618 and CA $453 for one-way flights to Shannon for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Thu, Nov. 13 - Wed, Nov. 19
BOS
Logan Intl.
SNN
Shannon
CA $618 Roundtrip, found 5 days ago
CA $618
Roundtrip
found 5 days ago
Select Aer Lingus flight, departing Thu, Nov. 13 from Logan Intl. to Shannon, returning Wed, Nov. 19, priced at CA $618 found 5 days ago
Air Canada
Thu, Nov. 13 - Wed, Nov. 19
BOS
Logan Intl.
SNN
Shannon
CA $833 Roundtrip, found 5 days ago
CA $833
Roundtrip
found 5 days ago
Select Air Canada flight, departing Thu, Nov. 13 from Logan Intl. to Shannon, returning Wed, Nov. 19, priced at CA $833 found 5 days ago
British Airways
Mon, Aug. 25 - Wed, Sep. 3
BOS
Logan Intl.
SNN
Shannon
CA $942 Roundtrip, found 4 days ago
CA $942
Roundtrip
found 4 days ago
Select British Airways flight, departing Mon, Aug. 25 from Logan Intl. to Shannon, returning Wed, Sep. 3, priced at CA $942 found 4 days ago