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

Return flights

14 Apr - 21 Apr	Spirit Airlines
15 Apr - 22 Apr	Air Canada
13 Apr - 20 Apr	Spirit Airlines
22 Apr - 29 Apr	Lufthansa
21 Apr - 28 Apr	Lufthansa
16 Apr - 23 Apr	KLM
12 Apr - 19 Apr	Air France
17 Apr - 24 Apr	KLM
01 Apr - 08 Apr	Spirit Airlines
08 Apr - 12 Apr	Air France
24 Apr - 01 May	Air France
25 Apr - 02 May	Spirit Airlines
24 Apr - 09 May	Spirit Airlines

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

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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Cheapest return flights from Austin to Barcelona in April from 384€

Return flights