Cheapest return flights from Austin to Lisbon in April from $442

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

Return flights

15 Apr - 22 Apr Finnair
28 Apr - 04 May British Airways
16 Apr - 23 Apr British Airways
17 Apr - 24 Apr Finnair
18 Apr - 25 Apr Delta
25 Apr - 02 May Finnair
17 Apr - 26 Apr British Airways
23 Apr - 09 May British Airways
06 Apr - 13 Apr British Airways
05 Apr - 12 Apr British Airways
04 Apr - 12 Apr Air Canada
02 Apr - 09 Apr KLM
03 Apr - 10 Apr British Airways

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

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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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