AirHint found the following cheapest return flights from Washington (DCA) to Vienna (VIE) in October 2025 (see full year).

Return flights

26 Oct - 11 Nov	jetBlue
01 Oct - 07 Oct	Air Canada
22 Oct - 29 Oct	Air Canada
27 Oct - 11 Nov	jetBlue
15 Oct - 23 Oct	Air Canada
24 Oct - 29 Oct	jetBlue
01 Oct - 08 Oct	jetBlue
27 Oct - 10 Nov	British Airways
18 Oct - 23 Oct	jetBlue
02 Oct - 25 Oct	Air Canada
10 Oct - 01 Nov	Air Canada
30 Oct - 13 Nov	Scandinavian Airlines
08 Oct - 01 Nov	TAP
12 Oct - 29 Oct	Air Canada
08 Oct - 22 Oct	LOT
03 Oct - 25 Oct	Air Canada

Also check the deals for one-way flights from Washington to Vienna in October.

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 Washington to Vienna in October from $652

Return flights