Cheap flights from Oslo to Helsinki

One-way fares from 65 US$ · OSL → HEL · prices found by travellers in the last 48 hours

Compare all dates Helsinki → Oslo
Cheapest fare
65 US$

Norwegian Air Sweden · Fri, 4 Dec

Cheapest month
December

from 65 US$

Direct flights
Yes

Norwegian Air Sweden and Finnair

Flight time
1h 25m

790 km

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Cheapest month to fly from Oslo to Helsinki

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 87 US$
  2. December 2026 Cheapest 65 US$
  3. January 2027 89 US$
  4. February 2027 77 US$

Cheapest dates in December 2026

The lowest fares we've seen for each day, cheapest first.

Norwegian Air Sweden
Depart09:10 Fri, 4 DecOSL → HEL 1h 30m · Direct
65 US$one way, per person
View deal
Norwegian Air Sweden
Depart17:20 Tue, 1 DecOSL → HEL 3h 50m · 1 stop
79 US$one way, per person
View deal
Finnair
Depart20:50 Sat, 5 DecOSL → HEL 1h 25m · Direct
86 US$one way, per person
View deal
Ethiopian Airlines
Depart18:45 Wed, 16 DecOSL → HEL 2h 20m · 1 stop
95 US$one way, per person
View deal
Norwegian Air Shuttle
Depart20:00 Sun, 6 DecOSL → HEL 2h 00m · 1 stop
104 US$one way, per person
View deal
Finnair
Depart12:30 Tue, 22 DecOSL → HEL 1h 25m · Direct
109 US$one way, per person
View deal
Norwegian Air Sweden
Depart21:30 Sun, 20 DecOSL → HEL 2h 00m · 1 stop
126 US$one way, per person
View deal
See every date in December 2026 →

Plan the rest of your trip to Helsinki

Where to stay, what to do and getting around, from our travel partners.

Where to stay

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Things to do

Things to do in HelsinkiTours, attractions and day trips on Klook Explore →

Getting around

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About flights from Oslo to Helsinki

Oslo (OSL) and Helsinki (HEL) are about 790 km apart. Direct flights take around 1h 25m, and recent direct fares were with Norwegian Air Sweden and Finnair. Over the next few months, one-way fares start from 65 US$, and December 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Oslo to Helsinki?

The cheapest one-way fare we've seen recently is 65 US$ with Norwegian Air Sweden, departing Friday, 4 December 2026. Over the coming months, the lowest fare in each month ranges from 65 US$ to 89 US$.

What is the cheapest month to fly from Oslo to Helsinki?

December 2026 currently has the lowest fares, from 65 US$ one way.

Are there direct flights from Oslo to Helsinki?

Yes. Recent direct fares were with Norwegian Air Sweden and Finnair.

How long is the flight from Oslo to Helsinki?

A direct flight takes about 1h 25m. Oslo and Helsinki are around 790 km apart.

Which airlines fly from Oslo to Helsinki?

Recent fares on this route were with Norwegian Air Sweden, airBaltic, Ryanair, Finnair, Ethiopian Airlines and Norwegian Air Shuttle.

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