Cheap flights from Helsinki to Oslo from $75

The month of December is, on average, the cheapest month to fly to Oslo from Helsinki, with most prices found around $56. If you’re not able to fly to Oslo in December, then October is your next best option. Flight prices from Helsinki to Oslo during October average around $59.

The cheapest day to depart on your flight to Oslo is on a Tuesday when prices can be found for as low as $186. This is often the case because there is less demand to fly during this day of the week. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Helsinki to Oslo for around $359.

Flying to Oslo from Helsinki at noon is the least expensive time of day to depart. momondo users have found prices as low as $179 when looking at flights departing at noon. Try not to purchase tickets in the afternoon because they tend to be around $282. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Helsinki-Vantaa to Oslo Gardermoen for the best Helsinki-Vantaa - Oslo flight prices

You are more likely to see cheaper flights to Oslo from Helsinki when booking weeks ahead of your departure date. In general, you can expect to find flights to Oslo for around $195 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Oslo from Helsinki for as low as $141 on momondo.

airBaltic and Finnair are the most popular carriers operating from Helsinki-Vantaa to Oslo

Finnair, Norwegian and airBaltic are the top three most popular airlines that fly to Oslo from Helsinki according to our data. Finnair is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Oslo. Keep in mind that there are 3 different airlines that fly to Oslo on a routine basis, so you have a few additional options to choose from.

Historically, on average around 18% of flights between Helsinki and Oslo have experienced a delay on any given week. The average delay length over the past 12 months has been 83 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

According to our data, Norwegian have had the least number of delays on this route over the last 12 months; with about 12% of their flights experiencing any sort of delay.

The number of flights available between Helsinki and Oslo is 14 per day as of May 2026. The most frequent departure time is 4:00PM, with 43% of daily flights leaving in the afternoon.

As of May 2026, there are 100 flights per week flying from Helsinki to Oslo. The most common day of the week flights depart is Sun, with 18% of flights taking off on this day.