AirHint found the following cheapest return flights from Phoenix (PHX) to Lisbon (LIS) in March 2026 (see full year).

Return flights

03 Mar - 10 Mar	United
18 Mar - 25 Mar	Air France
17 Mar - 24 Mar	United
16 Mar - 23 Mar	British Airways
17 Mar - 11 Apr	British Airways
04 Mar - 28 Mar	British Airways
10 Mar - 23 Mar	United
12 Mar - 19 Mar	Air France
27 Mar - 03 Apr	Air France
28 Mar - 04 Apr	Delta
15 Mar - 22 Mar	Finnair
13 Mar - 20 Mar	British Airways

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

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 March from $482

Return flights