Cheapest one-way flights from Boston to Lisbon in July from 298€

Best time to book flights for Boston (BOS) to Lisbon (LIS) flights at AirHint

AirHint found the following cheapest one-way flights from Boston (BOS) to Lisbon (LIS) in July 2025 (see full year).

One-Way flights

21 Jul Iberia
15 Jul Iberia
22 Jul Iberia
16 Jul Iberia
17 Jul Iberia
26 Jul Iberia
24 Jul Iberia
18 Jul Iberia
22 Jul Air France direct
21 Jul Air France direct

Also check the deals for return flights from Boston to Lisbon in July.

Skyscanner

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.

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