Cheapest return flights from Nashville to Porto in May from 678€

AirHint found the following cheapest return flights from Nashville (BNA) to Porto (OPO) in May 2026 (see full year).

Return flights

28 May - 04 Jun Icelandair
03 May - 10 May Icelandair
01 May - 08 May Icelandair
04 May - 11 May Icelandair
05 May - 12 May Iberia
06 May - 13 May Icelandair
08 May - 15 May Icelandair
09 May - 16 May Spirit Airlines
11 May - 18 May Icelandair
15 May - 22 May Porter Airlines (Canada) Ltd
02 May - 09 May SWISS
30 May - 06 Jun Porter Airlines (Canada) Ltd
29 May - 05 Jun Porter Airlines (Canada) Ltd
25 May - 01 Jun Icelandair
27 May - 03 Jun Porter Airlines (Canada) Ltd
31 May - 07 Jun Allegiant Air
26 May - 02 Jun Spirit Airlines

Also check the deals for one-way flights from Nashville to Porto in May.

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