AirHint found the following cheapest return flights from Phoenix (PHX) to Lisbon (LIS) in October 2025 (see full year).

Return flights

21 Oct - 04 Nov	Lufthansa
05 Oct - 15 Oct	Air Canada
04 Oct - 15 Oct	Lufthansa
16 Oct - 25 Oct	British Airways
01 Oct - 08 Oct	Air Canada
24 Oct - 31 Oct	United
19 Oct - 26 Oct	United
14 Oct - 21 Oct	United
04 Oct - 11 Oct	United
09 Oct - 16 Oct	United

Also check the deals for one-way flights from Phoenix to Lisbon in October.

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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Cheapest return flights from Phoenix to Lisbon in October from $484

Return flights