AirHint found the following cheapest return flights from Newark (EWR) to Oslo (OSL) in August 2025 (see full year).

Return flights

20 Aug - 26 Aug	United
19 Aug - 27 Aug	Icelandair
26 Aug - 03 Sep	Icelandair
20 Aug - 27 Aug	United
25 Aug - 02 Sep	Icelandair
26 Aug - 02 Sep	Icelandair
25 Aug - 29 Aug	United
21 Aug - 28 Aug	United
30 Aug - 27 Sep	Scandinavian Airlines
21 Aug - 26 Aug	United
19 Aug - 23 Aug	United
18 Aug - 22 Aug	SWISS
27 Aug - 02 Sep	Scandinavian Airlines
29 Aug - 03 Sep	Scandinavian Airlines
30 Aug - 06 Sep	Lufthansa
27 Aug - 01 Sep	Brussels Airlines
29 Aug - 02 Sep	United
20 Aug - 27 Aug	Scandinavian Airlines	direct
19 Aug - 24 Aug	SWISS
20 Aug - 02 Sep	TAP

Also check the deals for one-way flights from Newark to Oslo in August.

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.

Book a cheap hotel in Oslo

Cheap car rent in Oslo

Cheapest return flights from Newark to Oslo in August from 366€

Return flights