Cheapest return flights from Shannon to Boston in January from $521
AirHint found the following cheapest return flights from Shannon (SNN) to Boston (BOS)
in January 2026 (see full year ).
Return flights
23 Jan
- 26 Jan
Ryanair
$ 521
21 Jan
- 25 Jan
British Airways
$ 545
29 Jan
- 05 Feb
British Airways
$ 545
29 Jan
- 04 Feb
British Airways
$ 545
29 Jan
- 05 Feb
Aer Lingus
$ 556
direct
31 Jan
- 02 Feb
Aer Lingus
$ 556
direct
30 Jan
- 02 Feb
Aer Lingus
$ 556
direct
29 Jan
- 04 Feb
Aer Lingus
$ 556
direct
15 Jan
- 18 Jan
Ryanair
$ 585
20 Jan
- 26 Jan
British Airways
$ 603
18 Jan
- 25 Jan
Aer Lingus
$ 615
direct
20 Jan
- 26 Jan
Aer Lingus
$ 615
direct
21 Jan
- 25 Jan
Aer Lingus
$ 616
direct
23 Jan
- 26 Jan
Aer Lingus
$ 616
direct
15 Jan
- 22 Jan
Ryanair
$ 649
29 Jan
- 14 Feb
British Airways
$ 679
19 Jan
- 25 Jan
Ryanair
$ 694
Also check the deals for one-way flights from Shannon to Boston in January .
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