Cheapest one-way flights from San Antonio to London in January from $455

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

One-Way flights

16 Jan Spirit Airlines
03 Jan Air Canada

Also check the deals for return flights from San Antonio to London in January.

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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