AirHint found the following cheapest return flights from Minneapolis (MSP) to London (LHR) in August 2025 (see full year).

Return flights

17 Aug - 27 Aug	Icelandair
23 Aug - 27 Aug	Icelandair
22 Aug - 13 Sep	Icelandair
12 Aug - 17 Aug	Icelandair
07 Aug - 11 Aug	Icelandair
07 Aug - 14 Aug	Icelandair
27 Aug - 02 Sep	Icelandair
06 Aug - 27 Aug	Sun Country Airlines
16 Aug - 27 Aug	Spirit Airlines
14 Aug - 25 Aug	Sun Country Airlines
11 Aug - 17 Aug	Icelandair
15 Aug - 25 Aug	Sun Country Airlines
27 Aug - 02 Sep	Air France	direct
30 Aug - 06 Sep	Icelandair
25 Aug - 01 Sep	United

Also check the deals for one-way flights from Minneapolis 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 Minneapolis to London in August from $510

Return flights