Cheapest return flights from Des Moines to London in September from $675

AirHint found the following cheapest return flights from Des Moines (DSM) to London (LGW) in September 2025 (see full year).

Return flights

12 Sep - 18 Sep Allegiant Air
11 Sep - 21 Sep Allegiant Air
12 Sep - 04 Oct Allegiant Air

Also check the deals for one-way flights from Des Moines to London in September.

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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