AirHint found the following cheapest return flights from Austin (AUS) to London (LGW) in October 2025 (see full year).

Return flights

22 Oct - 04 Nov	Spirit Airlines
12 Oct - 21 Oct	Frontier Airlines
01 Oct - 07 Oct	Spirit Airlines
01 Oct - 08 Oct	Frontier Airlines
14 Oct - 21 Oct	Spirit Airlines
01 Oct - 31 Oct	Frontier Airlines
10 Oct - 19 Oct	Spirit Airlines
30 Oct - 06 Nov	Spirit Airlines
03 Oct - 12 Oct	Spirit Airlines
09 Oct - 18 Oct	Spirit Airlines
05 Oct - 12 Oct	Spirit Airlines
23 Oct - 18 Nov	Spirit Airlines
03 Oct - 10 Oct	Spirit Airlines

Also check the deals for one-way flights from Austin to London 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 Austin to London in October from $539

Return flights