AirHint found the following cheapest return flights from Portland (PDX) to Nice (NCE) in May 2026 (see full year).

Return flights

04 May - 12 May	Air France
05 May - 12 May	Delta
05 May - 13 May	Delta
04 May - 11 May	Air France
03 May - 11 May	Air France
03 May - 10 May	Air France
01 May - 08 May	British Airways
11 May - 19 May	British Airways
12 May - 20 May	British Airways
02 May - 10 May	British Airways
26 May - 02 Jun	United
27 May - 03 Jun	United
27 May - 04 Jun	United
25 May - 02 Jun	United
26 May - 03 Jun	United
25 May - 01 Jun	United
24 May - 01 Jun	United
31 May - 08 Jun	United
28 May - 04 Jun	United
28 May - 05 Jun	United

Also check the deals for one-way flights from Portland to Nice in May.

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 Portland to Nice in May from $583

Return flights