We've gone through lots of different flights, to help you find the cheapest way to get from Oslo (Gardermoen) Airport to Sydney. You can choose from ten airlines.
The most popular airlines offering flights to Sydney are British Airways, Qatar Airways & Etihad Airways. British Airways is the most popular one, but that doesn’t mean their flights will be the cheapest. If you can't find a flight time that suits you, why not look at flying out from a different airport?
The distance between Oslo (Gardermoen) Airport to Sydney is 15937 km. Normally, it takes about 29 hrs to fly, and you can definitely expect the journey to be at least 25 hrs. You can see the various flight times in the results.
You can also search by month, which will reveal the cheapest time of the week to fly.