Oslo, the capital of Norway, is famed for its world-class museums and lively nightlife. And within city limits or a short train ride away, visitors can enjoy a myriad of outdoor activities, such as sailing, skiing, ice skating, and kayaking. The only downside of visiting this happening city is the hefty price tag. In fact, Oslo is one of the most expensive cities in the world! Why not follow these tips for finding cheap flights to Oslo to make your journey more affordable?