Cheapest return flights from Phoenix to Lisbon in May from $613

Best time to book flights for Phoenix (PHX) to Lisbon (LIS) flights at AirHint

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

Return flights

07 May - 14 May SWISS
11 May - 18 May Delta
17 May - 24 May KLM
01 May - 15 May Frontier Airlines
15 May - 24 May Frontier Airlines
13 May - 06 Jun British Airways
25 May - 02 Jun Delta
22 May - 27 May Frontier Airlines
13 May - 20 May United
27 May - 03 Jun United
24 May - 31 May Delta
05 May - 12 May United
29 May - 05 Jun United
01 May - 08 May United
25 May - 01 Jun United

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

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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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