AirHint found the following cheapest return flights from Austin (AUS) to London (STN) in May 2026 (see full year).

Return flights

06 May - 13 May	Air Canada
06 May - 19 May	Lufthansa
06 May - 10 May	Lufthansa
12 May - 26 May	Spirit Airlines
12 May - 20 May	Air Canada
11 May - 25 May	Spirit Airlines
20 May - 01 Jun	Air Canada
05 May - 12 May	Lufthansa
01 May - 11 May	Air Canada
20 May - 31 May	Spirit Airlines
15 May - 02 Jun	Alaska Airlines
21 May - 01 Jun	Air Canada
13 May - 17 May	Air Canada
15 May - 18 Jun	Air Canada
29 May - 08 Jun	Air Canada
22 May - 03 Jun	Allegiant Air
23 May - 03 Jun	Air Canada
25 May - 06 Jun	Lufthansa

Also check the deals for one-way flights from Austin to London in May.

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.

Book a cheap hotel in London

Cheap car rent in London

Cheapest return flights from Austin to London in May from $470

Return flights