AirHint found the following cheapest return flights from Southend (SEN) to Oslo (OSL) in December 2025 (see full year).

Return flights

01 Dec - 04 Dec	easyJet
05 Dec - 08 Dec	easyJet
26 Dec - 02 Jan	easyJet
26 Dec - 01 Jan	easyJet
04 Dec - 08 Dec	easyJet
29 Dec - 02 Jan	easyJet
11 Dec - 15 Dec	easyJet
29 Dec - 01 Jan	easyJet
22 Dec - 02 Jan	easyJet
11 Dec - 14 Dec	easyJet
12 Dec - 14 Dec	easyJet
18 Dec - 19 Dec	easyJet
05 Dec - 07 Dec	easyJet
04 Dec - 07 Dec	easyJet
29 Dec - 04 Jan	easyJet
19 Dec - 27 Dec	easyJet
26 Dec - 03 Jan	easyJet

Also check the deals for one-way flights from Southend to Oslo in December.

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 Southend to Oslo in December from $317

Return flights