Cheap flights from Helsinki to Oslo from $80 HEL → OSL, TRF

Found recently, and the cheapest we hold

What have prices looked like?

Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $97 to $138.

At $270, the cheapest return found recently is above that range.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other 1-night return fares leaving within 3 days of 23 Nov to compare.

Every date we hold

100 fares on 8 departure dates

Which month looks cheapest?

April 2027 is the cheapest month — from $126.

Found recently, and the cheapest we hold

What have prices looked like?

Over 48 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $46 to $80.

At $80, the cheapest one-way found recently is at the high end of that range.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other one-way fares leaving within 3 days of 18 Jan 2027 to compare.

Every date we hold

12 fares on 1 departure dates

Return

Fares 90 to 179 days before departure were typically 50% lower than 0 to 6 days before departure.

From the cheapest return each day between 24 Sept and 11 Nov (49 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

One-way

Fares 30 to 59 days before departure were typically 5% lower than 0 to 6 days before departure.

From the cheapest one-way each day between 24 Sept and 11 Nov (48 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

How much is a return flight from Helsinki to Oslo?

The cheapest return found recently is $270 with Norwegian Air Sweden, 23 Nov to 24 Nov, found 2 days ago. The cheapest return we hold, of any age, is $126 with Norwegian Air Sweden, 1 Apr 2027 to 4 Apr 2027, found 5 days ago. The cheapest return fare on each of 8 departure dates is usually $154 to $164.

How much is a one-way flight from Helsinki to Oslo?

The cheapest one-way found recently is $80 with airBaltic, 18 Jan 2027, found 5 days ago. The cheapest one-way we hold, of any age, is $80 with airBaltic, 18 Jan 2027, found 6 days ago.

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

April 2027 is the cheapest month for a return, from $126, 1 Apr 2027 to 4 Apr 2027, found 5 days ago.

How far ahead should I book a flight from Helsinki to Oslo?

In 49 days of prices between 24 Sept and 11 Nov, return fares 90 to 179 days before departure were typically 50% lower than 0 to 6 days before departure. In 48 days of prices between 24 Sept and 11 Nov, one-way fares 30 to 59 days before departure were typically 5% lower than 0 to 6 days before departure.

Is there a direct flight from Helsinki to Oslo?

Yes, the cheapest nonstop return found recently is $309 with Norwegian Air Sweden, 23 Nov to 24 Nov, found 2 days ago. The cheapest nonstop one-way found recently is $86 with Finnair, 18 Jan 2027, found 6 days ago.

Every nonstop date from Helsinki to Oslo

How long is the flight from Helsinki to Oslo?

The cheapest nonstop one-way found recently, with Finnair on 18 Jan 2027, takes 1 h 35 min from Helsinki-Vantaa Airport (HEL) to Oslo Airport Gardermoen (OSL). The cheapest one-way found recently, with airBaltic on 18 Jan 2027, takes 5 h 25 min with 1 stop.

Which airlines have the cheapest flights from Helsinki to Oslo?

Between 23 Nov and 3 May 2027, Norwegian Air Sweden has the cheapest return on 6 of the 8 departure dates we hold, airBaltic on 1 and Norwegian Air Shuttle on 1.