AirHint found the following cheapest return flights from Austin (AUS) to Lisbon (LIS) in April 2026 (see full year).
Return flights
| 04 Apr - 11 Apr | Scandinavian Airlines | ||
| 15 Apr - 23 Apr | British Airways | ||
| 04 Apr - 12 Apr | Air Canada | ||
| 11 Apr - 18 Apr | KLM |
Also check the deals for one-way flights from Austin to Lisbon in April.
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