Question 1

What is the cheapest day to depart on your flight to Helsinki?

Accepted Answer

The cheapest day to depart on your flight to Helsinki is on a Tuesday when prices can be found for as low as $696. This is often the case because there is less demand to fly during this day of the week. Flights from Oslo to Helsinki on a Thursday will generally be more expensive and average around $885. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Question 2

Which airline has the best punctuality record on Oslo to Helsinki flights?

Accepted Answer

According to our data, Norwegian have had the least number of delays on this route over the last 12 months; with about 7% of their flights experiencing any sort of delay.

Question 3

What cabin class options are available on Oslo to Helsinki-Vantaa flights?

Accepted Answer

There are 3 cabin classes available to choose from on Oslo to Helsinki-Vantaa flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Question 4

How many flights depart from Oslo to Helsinki on average per week?

Accepted Answer

The number of flights available between Oslo and Helsinki is 37 per week as of January 2026. The most frequent departure day is Wed, with 35% of weekly flights leaving on this day.

Question 5

What is the cheapest Oslo to Helsinki-Vantaa flight route?

Accepted Answer

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

Question 6

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

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

Question 7

What is the cheapest time of day to depart on your flight to Helsinki?

Accepted Answer

According to our data, the cheapest time of day to fly to Helsinki is in the afternoon. momondo users have found flights departing from Oslo to Helsinki in the afternoon for as low as $677. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. At noon is when there is more demand to fly to Helsinki, so prices are often more expensive at around $921 per ticket.

Question 8

How far in advance should I book a flight to Helsinki?

Accepted Answer

You are more likely to see cheaper flights to Helsinki from Oslo when booking weeks ahead of your departure date. In general, you can expect to find flights to Helsinki for around $202 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Helsinki from Oslo for as low as $127 on momondo.

Question 9

What is the cheapest month to fly to Helsinki?

Accepted Answer

The month of February is, on average, the cheapest month to fly to Helsinki from Oslo, with most prices found around $161. If you aren’t able to travel during the month of February, then book flights to Helsinki from Oslo during May instead. Flights to Helsinki in May, while not as cheap as those in February, still average around $176.

Question 10

How often are flights from Oslo to Helsinki delayed?

Accepted Answer

Historically, on average around 18% of flights between Oslo and Helsinki have experienced a delay on any given week. The average delay length over the past 12 months has been 86 minutes.

Question 11

What is the cheapest airline that flies from Oslo to Helsinki-Vantaa?

Accepted Answer

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

Question 12

How many flights depart from Oslo to Helsinki on average per day?

Accepted Answer

5 flights are operational daily from Oslo to Helsinki as of January 2026. The most popular departure time for this route is 8:00AM, with 44% of flights per day taking off in the afternoon.

Question 13

What is the most punctual flight time for Oslo to Helsinki flights?

Accepted Answer

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

Question 14

When did momondo last update prices for flights from Oslo to Helsinki-Vantaa Airport?

Accepted Answer

Prices for flights from Oslo to Helsinki-Vantaa Airport refresh daily.

Question 15

How many operators does momondo search for flights from Oslo to Helsinki-Vantaa Airport?

Accepted Answer

As of January 2026, there are 2 operators available to choose from for flights from Oslo to Helsinki-Vantaa Airport.

Question 16

How old do you have to be to fly from Oslo to Helsinki-Vantaa Airport?

Accepted Answer

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Oslo to Helsinki-Vantaa Airport.

Question 17

What documentation or ID do you need to fly to Helsinki-Vantaa Airport?

Accepted Answer

The necessary travel and health documents for your Helsinki-Vantaa Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Fastest flight time	1h 25m
Direct flights	Every day
Airports in Helsinki	1 airport

Airline	Rating	Free Cancellation	Price
Norwegian	PriceFrom $108	Free Cancellation	Rating 7.8 241 reviews		Search Norwegian flights
Finnair	PriceFrom $143	Free Cancellation	Rating 7.6 1,343 reviews		Search Finnair flights

Cheap flights from Oslo to Helsinki from $76

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Oslo to Helsinki departing on 2/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from Oslo to Helsinki

What is the cheapest month to fly to Helsinki?

What is the cheapest day to depart on your flight to Helsinki?

What is the cheapest time of day to depart on your flight to Helsinki?

What is the cheapest Oslo to Helsinki-Vantaa flight route?

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

How far in advance should I book a flight to Helsinki?

What cabin class options are available on Oslo to Helsinki-Vantaa flights?

There are 3 cabin classes available to choose from on Oslo to Helsinki-Vantaa flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

What is the cheapest airline that flies from Oslo to Helsinki-Vantaa?

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

How often are flights from Oslo to Helsinki delayed?

Historically, on average around 18% of flights between Oslo and Helsinki have experienced a delay on any given week. The average delay length over the past 12 months has been 86 minutes.

What is the most punctual flight time for Oslo to Helsinki flights?

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

What day of the week experiences the fewest flight delays on this route?

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

Which airline has the best punctuality record on Oslo to Helsinki flights?

According to our data, Norwegian have had the least number of delays on this route over the last 12 months; with about 7% of their flights experiencing any sort of delay.

How many flights depart from Oslo to Helsinki on average per day?

5 flights are operational daily from Oslo to Helsinki as of January 2026. The most popular departure time for this route is 8:00AM, with 44% of flights per day taking off in the afternoon.

How many flights depart from Oslo to Helsinki on average per week?

The number of flights available between Oslo and Helsinki is 37 per week as of January 2026. The most frequent departure day is Wed, with 35% of weekly flights leaving on this day.

Cheap Oslo to Helsinki flight deals and tips

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When did momondo last update prices for flights from Oslo to Helsinki-Vantaa Airport?

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How old do you have to be to fly from Oslo to Helsinki-Vantaa Airport?

What documentation or ID do you need to fly to Helsinki-Vantaa Airport?

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