Cheapest return flights from Austin to Lisbon in April from 378€

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

Return flights

13 Apr - 21 Apr Finnair
13 Apr - 19 Apr Finnair
11 Apr - 26 Apr British Airways
16 Apr - 26 Apr British Airways
18 Apr - 03 May British Airways
02 Apr - 20 Apr British Airways
24 Apr - 09 May Delta
04 Apr - 09 Apr Frontier Airlines

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

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