Cheapest return flights from Austin to Lisbon in May from $541

AirHint found the following cheapest return flights from Austin (AUS) to Lisbon (LIS) in May 2026 (see full year).

Return flights

05 May - 14 May Air Canada
08 May - 15 May Finnair
08 May - 22 May Finnair
09 May - 22 May Finnair
02 May - 15 May Air Canada
07 May - 14 May British Airways
10 May - 22 May Air Canada
09 May - 16 May Finnair
19 May - 28 May Spirit Airlines
10 May - 23 May British Airways
12 May - 02 Jun Air Canada

Also check the deals for one-way flights from Austin to Lisbon in May.

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