Cheapest return flights from Austin to Istanbul in December from 777€

AirHint found the following cheapest return flights from Austin (AUS) to Istanbul (IST) in December 2025 (see full year).

Return flights

07 Dec - 04 Jan Spirit Airlines
17 Dec - 04 Jan Spirit Airlines
13 Dec - 04 Jan British Airways
12 Dec - 04 Jan British Airways
18 Dec - 01 Jan KLM
18 Dec - 03 Jan KLM
17 Dec - 03 Jan Delta
19 Dec - 04 Jan jetBlue

Also check the deals for one-way flights from Austin to Istanbul in December.

Skyscanner

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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