This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $85 fare is the cheapest current round-trip from Lisbon (LIS) to MIL on MW flight MW821, departing 2026-09-15 at 20:25 with return on 2026-09-22.

Clicking "Book this flight" opens Kiwi.com with this exact flight pre-filtered — same airline, same dates, same passenger count.