Cheapest return flights from San Antonio to London in April from $646

Best time to book flights for San Antonio (SAT) to London (LGW) flights at AirHint

AirHint found the following cheapest return flights from San Antonio (SAT) to London (LGW) in April 2025 (see full year).

Return flights

05 Apr - 15 Apr Frontier Airlines
29 Apr - 12 May Spirit Airlines
29 Apr - 11 May Spirit Airlines
29 Apr - 08 May Spirit Airlines
12 Apr - 26 Apr Frontier Airlines
29 Apr - 10 May Spirit Airlines
14 Apr - 26 Apr Frontier Airlines
14 Apr - 23 Apr Frontier Airlines
14 Apr - 24 Apr Frontier Airlines
29 Apr - 09 May Spirit Airlines
12 Apr - 25 Apr Frontier Airlines
08 Apr - 17 Apr British Airways
08 Apr - 16 Apr British Airways
12 Apr - 27 Apr Frontier Airlines
15 Apr - 29 Apr Spirit Airlines
08 Apr - 12 May Spirit Airlines

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

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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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