Cheapest one-way flights from Oakland to Lisbon in May from $365

AirHint found the following cheapest one-way flights from Oakland (OAK) to Lisbon (LIS) in May 2026 (see full year).

One-Way flights

09 May British Airways
02 May British Airways
27 May British Airways
26 May British Airways
13 May British Airways
31 May British Airways
25 May British Airways
24 May British Airways
12 May Icelandair
05 May Icelandair

Also check the deals for return flights from Oakland 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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