AirHint found the following cheapest return flights from London (LHR) to Oslo (OSL)
in September 2025 (see full year ).
Return flights
26 Sep
- 29 Sep
British Airways
$ 92
direct
15 Sep
- 17 Sep
British Airways
$ 95
direct
18 Sep
- 22 Sep
British Airways
$ 95
direct
24 Sep
- 28 Sep
British Airways
$ 95
direct
24 Sep
- 02 Oct
British Airways
$ 95
direct
08 Sep
- 10 Sep
British Airways
$ 97
direct
04 Sep
- 11 Sep
British Airways
$ 97
direct
19 Sep
- 24 Sep
British Airways
$ 97
direct
10 Sep
- 14 Sep
British Airways
$ 97
direct
19 Sep
- 02 Oct
British Airways
$ 100
direct
08 Sep
- 11 Sep
British Airways
$ 101
direct
30 Sep
- 03 Oct
British Airways
$ 102
direct
09 Sep
- 12 Sep
British Airways
$ 104
direct
20 Sep
- 10 Oct
British Airways
$ 107
direct
Also check the deals for one-way flights from London to Oslo 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.