AirHint found the following cheapest return flights from San Antonio (SAT) to London (LHR) in January 2026 (see full year).

Return flights

14 Jan - 21 Jan	British Airways
19 Jan - 26 Jan	British Airways
09 Jan - 16 Jan	British Airways
29 Jan - 05 Feb	British Airways
24 Jan - 31 Jan	Iberia
16 Jan - 07 Feb	British Airways
04 Jan - 11 Jan	British Airways

Also check the deals for one-way flights from San Antonio to London in January.

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 San Antonio to London in January from 452€

Return flights