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

Return flights

20 Aug - 28 Aug	United
22 Aug - 28 Aug	United
13 Aug - 20 Aug	Air Canada
21 Aug - 27 Aug	Icelandair
24 Aug - 26 Aug	Icelandair
21 Aug - 26 Aug	Icelandair
11 Aug - 18 Aug	Air Canada
07 Aug - 14 Aug	Icelandair
27 Aug - 02 Sep	United
20 Aug - 30 Aug	United
14 Aug - 19 Aug	Icelandair
20 Aug - 02 Sep	Scandinavian Airlines
22 Aug - 14 Sep	Scandinavian Airlines
22 Aug - 01 Sep	United
28 Aug - 03 Sep	Lufthansa
15 Aug - 15 Sep	Austrian Airlines
14 Aug - 01 Sep	United
15 Aug - 15 Sep	Scandinavian Airlines	direct
29 Aug - 01 Sep	United

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 375€

Return flights