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 $495 and CA $498 for one-way flights to Shannon for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Fri, Dec 5 - Tue, Dec 9
BOS
Logan Intl.
SNN
Shannon
CA $495 Roundtrip, found 4 days ago
CA $495
Roundtrip
found 4 days ago
Select Aer Lingus flight, departing Fri, Dec 5 from Logan Intl. to Shannon, returning Tue, Dec 9, priced at CA $495 found 4 days ago
Aer Lingus
Sun, Mar 1 - Sat, Mar 7
BOS
Logan Intl.
SNN
Shannon
CA $495 Roundtrip, found 6 days ago
CA $495
Roundtrip
found 6 days ago
Select Aer Lingus flight, departing Sun, Mar 1 from Logan Intl. to Shannon, returning Sat, Mar 7, priced at CA $495 found 6 days ago
Aer Lingus
Wed, Dec 10 - Sun, Dec 14
BOS
Logan Intl.
SNN
Shannon
CA $497 Roundtrip, found 10 hours ago
CA $497
Roundtrip
found 10 hours ago
Select Aer Lingus flight, departing Wed, Dec 10 from Logan Intl. to Shannon, returning Sun, Dec 14, priced at CA $497 found 10 hours ago