Cheap flights from Nashua to Shannon

View AU$509 flight on Sat, 6 Sep. 2025Opens in a new window

Popular airlines from Nashua to Shannon

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Nashua (BOS) to Shannon (SNN)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, 19 Sep. - Mon, 6 Oct.
BOS
Boston
SNN
Shannon
AU$631 Return, found 6 days ago
AU$631
Return
found 6 days ago
Select United flight, departing Fri, 19 Sep. from Boston to Shannon, returning Mon, 6 Oct., priced at AU$631 found 6 days ago
Aer Lingus
Wed, 12 Nov. - Thu, 20 Nov.
BOS
Boston
SNN
Shannon
AU$675 Return, found 4 hours ago
AU$675
Return
found 4 hours ago
Select Aer Lingus flight, departing Wed, 12 Nov. from Boston to Shannon, returning Thu, 20 Nov., priced at AU$675 found 4 hours ago
United
Fri, 19 Sep. - Mon, 6 Oct.
BOS
Boston
SNN
Shannon
AU$719 Return, found 6 days ago
AU$719
Return
found 6 days ago
Select United flight, departing Fri, 19 Sep. from Boston to Shannon, returning Mon, 6 Oct., priced at AU$719 found 6 days ago
JetBlue Airways
Wed, 12 Nov. - Thu, 20 Nov.
BOS
Boston
SNN
Shannon
AU$890 Return, found 4 hours ago
AU$890
Return
found 4 hours ago
Select JetBlue Airways flight, departing Wed, 12 Nov. from Boston to Shannon, returning Thu, 20 Nov., priced at AU$890 found 4 hours ago
Air Canada
Mon, 3 Nov. - Wed, 12 Nov.
BOS
Boston
SNN
Shannon
AU$918 Return, found 16 hours ago
AU$918
Return
found 16 hours ago
Select Air Canada flight, departing Mon, 3 Nov. from Boston to Shannon, returning Wed, 12 Nov., priced at AU$918 found 16 hours ago
Iberia
Wed, 12 Nov. - Thu, 20 Nov.
BOS
Boston
SNN
Shannon
AU$942 Return, found 4 hours ago
AU$942
Return
found 4 hours ago
Select Iberia flight, departing Wed, 12 Nov. from Boston to Shannon, returning Thu, 20 Nov., priced at AU$942 found 4 hours ago

Find the cheapest month to fly from Boston (BOS) to Shannon (SNN)

October is typically the cheapest month to fly

From AU$524 - AU$1,524 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.