Cheapest return flights from Phoenix to Porto in April from 376€

AirHint found the following cheapest return flights from Phoenix (PHX) to Porto (OPO) in April 2026 (see full year).

Return flights

08 Apr - 15 Apr SWISS
29 Apr - 06 May Iberia
14 Apr - 30 Apr KLM
20 Apr - 27 Apr Air Canada
13 Apr - 20 Apr British Airways
12 Apr - 19 Apr British Airways
19 Apr - 26 Apr Air Canada
26 Apr - 03 May British Airways
18 Apr - 25 Apr British Airways
25 Apr - 02 May British Airways
24 Apr - 01 May Iberia
11 Apr - 18 Apr British Airways
10 Apr - 17 Apr Air Canada
17 Apr - 24 Apr British Airways
23 Apr - 09 May British Airways

Also check the deals for one-way flights from Phoenix to Porto in April.

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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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