Boston to Shannon, Ireland for only $369 roundtrip

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Cheap flights from Boston to Shannon, Ireland for only $369 roundtrip with United Airlines.

DEPART:
Boston, USA

ARRIVE:
Shannon, Ireland

RETURN:
Boston, USA

DATES:
Availability from April to May 2026

Example dates:
19th-29th Apr
20th-29th Apr
20th-30th Apr
21st-29th Apr
21st-30th Apr
21st Apr – 1st May
22nd-29th Apr
22nd-30th Apr
22nd Apr – 1st May
26th Apr – 5th May
26th Apr – 6th May
27th Apr – 5th May
27th Apr – 6th May
27th Apr – 7th May
3rd-12th May
3rd-13th May
4th-12th May
4th-13th May

and more…

STOPS:
New York

AIRLINES:
United Airlines