AirHint found the following cheapest return flights from Guatemala City (GUA) to London (LGW) in August 2025 (see full year).

Return flights

01 Aug - 12 Sep	Spirit Airlines
01 Aug - 30 Sep	Avianca
01 Aug - 26 Aug	Spirit Airlines
01 Aug - 08 Sep	Spirit Airlines
12 Aug - 19 Aug	Avianca
18 Aug - 28 Aug	Spirit Airlines
13 Aug - 26 Aug	Avianca
01 Aug - 17 Sep	Spirit Airlines
18 Aug - 02 Sep	Spirit Airlines
18 Aug - 25 Aug	Spirit Airlines
23 Aug - 30 Aug	Avianca
19 Aug - 02 Sep	Avianca
15 Aug - 23 Aug	Spirit Airlines
05 Aug - 30 Sep	Copa

Also check the deals for one-way flights from Guatemala City to London in August.

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 Guatemala City to London in August from 510€

Return flights