Cheapest return flights from London to Oslo in September from $97

Best time to book flights for London (LGW) to Oslo (OSL) flights at AirHint

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

Return flights

17 Sep - 18 Sep Norwegian direct
05 Sep - 17 Sep Norwegian direct
05 Sep - 18 Sep Norwegian direct
13 Sep - 17 Sep Norwegian direct
13 Sep - 18 Sep Norwegian direct
12 Sep - 17 Sep Norwegian direct
12 Sep - 18 Sep Norwegian direct
17 Sep - 21 Sep Norwegian direct
17 Sep - 22 Sep Norwegian direct
18 Sep - 21 Sep Norwegian direct
25 Sep - 13 Oct Norwegian direct
25 Sep - 05 Oct Norwegian direct
26 Sep - 13 Oct Norwegian direct
26 Sep - 05 Oct Norwegian direct
17 Sep - 05 Oct Norwegian direct
27 Sep - 13 Oct Norwegian direct
27 Sep - 05 Oct Norwegian direct
18 Sep - 05 Oct Norwegian direct
29 Sep - 13 Oct Norwegian direct
29 Sep - 20 Oct Norwegian direct

Also check the deals for one-way flights from London to Oslo 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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