Cheapest return flights from Shannon to Boston in January from $490
AirHint found the following cheapest return flights from Shannon (SNN) to Boston (BOS)
in January 2026 (see full year ).
Return flights
28 Jan
- 04 Feb
Ryanair
$ 490
30 Jan
- 04 Feb
Aer Lingus
$ 529
26 Jan
- 02 Feb
Ryanair
$ 537
29 Jan
- 05 Feb
British Airways
$ 543
29 Jan
- 04 Feb
British Airways
$ 543
29 Jan
- 02 Feb
British Airways
$ 543
26 Jan
- 03 Feb
Ryanair
$ 552
30 Jan
- 04 Feb
Aer Lingus
$ 552
direct
28 Jan
- 04 Feb
Aer Lingus
$ 552
direct
30 Jan
- 03 Feb
Aer Lingus
$ 555
direct
23 Jan
- 30 Jan
Aer Lingus
$ 567
23 Jan
- 30 Jan
Aer Lingus
$ 585
direct
14 Jan
- 19 Jan
Aer Lingus
$ 613
direct
15 Jan
- 18 Jan
Aer Lingus
$ 613
direct
16 Jan
- 19 Jan
Aer Lingus
$ 613
direct
18 Jan
- 25 Jan
Aer Lingus
$ 613
direct
19 Jan
- 28 Jan
Ryanair
$ 678
19 Jan
- 25 Jan
Ryanair
$ 694
13 Jan
- 22 Jan
British Airways
$ 706
13 Jan
- 22 Jan
Aer Lingus
$ 718
direct
Also check the deals for one-way flights from Shannon to Boston in January .
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