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

Return flights

08 Sep - 12 Sep	Norwegian	direct
22 Sep - 03 Oct	Norwegian	direct
08 Sep - 15 Sep	Norwegian	direct
08 Sep - 19 Sep	Norwegian	direct
15 Sep - 03 Oct	Norwegian	direct
01 Sep - 12 Sep	Norwegian	direct
15 Sep - 19 Sep	Norwegian	direct
01 Sep - 15 Sep	Norwegian	direct
01 Sep - 08 Sep	Norwegian	direct
01 Sep - 19 Sep	Norwegian	direct
05 Sep - 12 Sep	Norwegian	direct
05 Sep - 15 Sep	Norwegian	direct
14 Sep - 03 Oct	Norwegian
21 Sep - 03 Oct	Norwegian
22 Sep - 08 Oct	Norwegian
18 Sep - 03 Oct	Norwegian
21 Sep - 08 Oct	Norwegian
18 Sep - 08 Oct	Norwegian

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

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 Alesund to London in September from $121

Return flights