Cheapest return MIA–LHR flights, August

AirHint found the following cheapest return flights from Miami (MIA) to London (LHR) in August 2026 (see full year).

Return flights

26 Aug - 30 Aug Frontier Airlines
22 Aug - 07 Sep Air Canada
19 Aug - 04 Sep SWISS
20 Aug - 25 Aug TAP
21 Aug - 06 Sep LEVEL
21 Aug - 03 Sep Frontier Airlines
31 Aug - 17 Sep TAP
09 Aug - 18 Aug SWISS
07 Aug - 20 Aug KLM
13 Aug - 17 Aug TAP
14 Aug - 23 Aug LEVEL
03 Aug - 12 Aug Air Canada
07 Aug - 20 Aug British Airways direct
05 Aug - 15 Aug Air Canada
15 Aug - 23 Aug Air Canada
29 Aug - 04 Sep Frontier Airlines
22 Aug - 07 Sep British Airways direct
28 Aug - 06 Sep United
28 Aug - 06 Sep British Airways direct
30 Aug - 04 Sep SWISS

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

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