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

Return flights

22 Mar - 31 Mar	Air France
22 Mar - 30 Mar	Air France
02 Mar - 08 Mar	KLM
31 Mar - 14 Apr	Delta
31 Mar - 15 Apr	Delta
24 Mar - 07 Apr	British Airways
25 Mar - 07 Apr	Delta
29 Mar - 06 Apr	Air France
25 Mar - 10 Apr	Delta
27 Mar - 06 Apr	Air France
15 Mar - 31 Mar	KLM
07 Mar - 16 Mar	Frontier Airlines
06 Mar - 15 Mar	Frontier Airlines
05 Mar - 16 Mar	Frontier Airlines
28 Mar - 06 Apr	Air France
21 Mar - 29 Mar	Finnair
21 Mar - 25 Mar	Finnair
08 Mar - 14 Mar	Frontier Airlines
27 Mar - 05 Apr	Air France

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 406€

Return flights