Cheapest return flights from Boston to Lisbon in July from $624

AirHint found the following cheapest return flights from Boston (BOS) to Lisbon (LIS) in July 2026 (see full year).

Return flights

27 Jul - 03 Aug Iberia
29 Jul - 05 Aug Iberia
13 Jul - 18 Jul TAP
09 Jul - 18 Jul TAP
24 Jul - 31 Jul Aer Lingus
07 Jul - 11 Jul TAP
15 Jul - 28 Jul Aer Lingus
30 Jul - 15 Aug TAP
06 Jul - 04 Aug Aer Lingus
16 Jul - 26 Jul Iberia
07 Jul - 06 Aug Iberia
17 Jul - 09 Aug LEVEL
03 Jul - 10 Jul Air Canada
02 Jul - 07 Jul SWISS
01 Jul - 13 Jul LEVEL
03 Jul - 12 Jul Azores Airlines
31 Jul - 07 Aug TAP
07 Jul - 06 Aug TAP direct
06 Jul - 04 Aug Virgin Atlantic direct
17 Jul - 09 Aug Virgin Atlantic direct

Also check the deals for one-way flights from Boston to Lisbon in July.

Powered by

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Lisbon

Cheap car rent in Lisbon

Feel free to contact us with any feedback or request another flight research.