Cheapest return flights from Oslo to San Juan in September from 350€

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

Return flights

17 Sep - 24 Sep Lufthansa
08 Sep - 28 Sep Lufthansa
13 Sep - 25 Sep Norwegian
13 Sep - 20 Sep Lufthansa
17 Sep - 01 Oct Delta
12 Sep - 25 Sep Norwegian
12 Sep - 20 Sep Ryanair
03 Sep - 08 Sep Icelandair

Also check the deals for one-way flights from Oslo to San Juan 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.

Book a cheap hotel in San Juan

Cheap car rent in San Juan

Feel free to contact us with any feedback or request another flight research.