Cheapest return flights from Phoenix to Porto in June from $753

Best time to book flights for Phoenix (PHX) to Porto (OPO) flights at AirHint

AirHint found the following cheapest return flights from Phoenix (PHX) to Porto (OPO) in June 2025 (see full year).

Return flights

05 Jun - 12 Jun WestJet
06 Jun - 13 Jun Frontier Airlines
10 Jun - 17 Jun Porter Airlines (Canada) Ltd
07 Jun - 14 Jun Porter Airlines (Canada) Ltd
21 Jun - 28 Jun Frontier Airlines
04 Jun - 11 Jun Air Transat
02 Jun - 09 Jun Air Transat
03 Jun - 10 Jun jetBlue
11 Jun - 18 Jun WestJet
13 Jun - 20 Jun Frontier Airlines

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

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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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