Cheapest return flights from Lisbon to Boston in May from $561
AirHint found the following cheapest return flights from Lisbon (LIS) to Boston (BOS)
in May 2026 (see full year ).
Return flights
06 May
- 14 May
Iberia
$ 561
06 May
- 12 Jun
Iberia
$ 561
07 May
- 12 Jun
Iberia
$ 561
26 May
- 07 Jun
Finnair
$ 572
26 May
- 08 Jun
British Airways
$ 574
26 May
- 06 Jun
British Airways
$ 574
22 May
- 25 May
Iberia
$ 579
09 May
- 17 May
KLM
$ 584
23 May
- 31 May
Finnair
$ 595
09 May
- 17 May
Virgin Atlantic
$ 603
direct
06 May
- 14 May
Virgin Atlantic
$ 603
direct
22 May
- 25 May
Virgin Atlantic
$ 603
direct
07 May
- 20 May
Aer Lingus
$ 650
04 May
- 11 May
Azores Airlines
$ 677
05 May
- 12 May
Azores Airlines
$ 698
31 May
- 07 Jun
Azores Airlines
$ 749
30 May
- 06 Jun
Azores Airlines
$ 756
31 May
- 05 Jun
KLM
$ 794
06 May
- 12 Jun
TAP
$ 834
direct
07 May
- 12 Jun
TAP
$ 834
direct
Also check the deals for one-way flights from Lisbon to Boston in May .
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