Cheap flights from Oslo to Helsinki from $74

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 10/30. 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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Cheap round-trip flights

airBaltic Logo
7:50 pm - 12:30 amOSL-HEL
3h 40m1 stop
airBaltic Logo
3:30 pm - 7:10 pmHEL-OSL
4h 40m1 stop
$137airBaltic
Find Deal
Thu, Oct 30 - Thu, Nov 6
airBaltic Logo
8:30 am - 8:40 pmOSL-HEL
11h 10m1 stop
airBaltic Logo
5:30 am - 7:45 amHEL-OSL
3h 15m1 stop
$146airBaltic
Find Deal
Mon, Jan 12 - Sat, Jan 17
Finnair Logo
6:25 am - 8:50 amOSL-HEL
1h 25mnonstop
Finnair Logo
11:20 pm - 11:55 pmHEL-OSL
1h 35mnonstop
$154Finnair
Find Deal
Thu, Oct 30 - Mon, Nov 3
Finnair Logo
6:25 am - 8:50 amOSL-HEL
1h 25mnonstop
Finnair Logo
11:20 pm - 11:55 pmHEL-OSL
1h 35mnonstop
$155Finnair
Find Deal
Thu, Oct 30 - Mon, Nov 3
Finnair Logo
6:25 am - 8:50 amOSL-HEL
1h 25mnonstop
Finnair Logo
11:20 pm - 11:55 pmHEL-OSL
1h 35mnonstop
$156Finnair
Find Deal
Thu, Oct 30 - Mon, Nov 3
Multiple Airlines Logo
11:00 am - 1:30 pmOSL-HEL
1h 30mnonstop
Multiple Airlines Logo
12:05 am - 4:20 pmHEL-OSL
17h 15m2 stops
$171Multiple Airlines
Find Deal
Thu, Oct 30 - Wed, Nov 5
Multiple Airlines Logo
11:00 am - 1:30 pmOSL-HEL
1h 30mnonstop
Multiple Airlines Logo
12:05 am - 7:45 amHEL-OSL
8h 40m1 stop
$173Multiple Airlines
Find Deal
Thu, Oct 30 - Wed, Nov 5
KLM Logo
5:00 pm - 12:05 amOSL-HEL
6h 05m1 stop
KLM Logo
2:05 pm - 6:15 pmHEL-OSL
5h 10m1 stop
$182KLM
Find Deal
Sun, Jan 11 - Sun, Jan 18
Norwegian Logo
10:50 am - 1:15 pmOSL-HEL
1h 25mnonstop
Norwegian Logo
1:45 pm - 2:15 pmHEL-OSL
1h 30mnonstop
$218Norwegian
Find Deal
Fri, Oct 3 - Mon, Oct 6
Norwegian Logo
10:50 am - 1:15 pmOSL-HEL
1h 25mnonstop
Norwegian Logo
1:45 pm - 2:15 pmHEL-OSL
1h 30mnonstop
$221Norwegian
Find Deal
Fri, Oct 3 - Mon, Oct 6

Finnair flights from Oslo to Helsinki

Our best Finnair deals on Oslo to Helsinki flight tickets
Finnair
Oct 30
OSL6:25 amOslo Gardermoen
1h 25m
HEL8:50 amHelsinki-Vantaa
Nov 3
HEL11:20 pmHelsinki-Vantaa
1h 35m
OSL11:55 pmOslo Gardermoen
Finnair
Oct 30
OSL6:25 amOslo Gardermoen
1h 25m
HEL8:50 amHelsinki-Vantaa
Nov 3
HEL11:20 pmHelsinki-Vantaa
1h 35m
OSL11:55 pmOslo Gardermoen
Finnair
Oct 30
OSL6:25 amOslo Gardermoen
1h 25m
HEL8:50 amHelsinki-Vantaa
Nov 3
HEL11:20 pmHelsinki-Vantaa
1h 35m
OSL11:55 pmOslo Gardermoen

Scandinavian Airlines flights from Oslo to Helsinki

Our best Scandinavian Airlines deals on Oslo to Helsinki flight tickets
Scandinavian Airlines
Oct 30
OSL9:40 amOslo Gardermoen
4h 45m
1 stop
HEL3:25 pmHelsinki-Vantaa
Nov 3
HEL7:00 amHelsinki-Vantaa
8h 55m
1 stop
OSL2:55 pmOslo Gardermoen
Scandinavian Airlines
Jan 20
OSL9:40 amOslo Gardermoen
4h 45m
1 stop
HEL3:25 pmHelsinki-Vantaa
Jan 23
HEL4:10 pmHelsinki-Vantaa
5h 35m
1 stop
OSL8:45 pmOslo Gardermoen
Scandinavian Airlines
Oct 14
TRF2:55 pmOslo Sandefjord
4h 20m
1 stop
HEL8:15 pmHelsinki-Vantaa
Oct 21
HEL11:15 amHelsinki-Vantaa
4h 05m
1 stop
TRF2:20 pmOslo Sandefjord

momondo Fare Finder

 
Customize your flight search to find flights from Oslo to Helsinki that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Oslo to Helsinki that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OsloHelsinki

OSL - HEL

OSLHEL

Oslo Gardermoen

Thu 10/30

7:50 pm-12:30 am

1 stop3h 40m

Helsinki-Vantaa

Thu 11/6

3:30 pm-7:10 pm

1 stop4h 40m

$137

OsloHelsinki

OSL - HEL

OSLHEL

Oslo Gardermoen

Mon 1/12

8:30 am-8:40 pm

1 stop11h 10m

Helsinki-Vantaa

Sat 1/17

5:30 am-7:45 am

1 stop3h 15m

$146

OsloHelsinki

OSL - HEL

OSLHEL

Oslo Gardermoen

Thu 10/30

6:25 am-8:50 am

Nonstop1h 25m

Helsinki-Vantaa

Mon 11/3

11:20 pm-11:55 pm

Nonstop1h 35m

$154

OsloHelsinki

OSL - HEL

OSLHEL

Oslo Gardermoen

Thu 10/30

6:25 am-8:50 am

Nonstop1h 25m

Helsinki-Vantaa

Mon 11/3

11:20 pm-11:55 pm

Nonstop1h 35m

$155

OsloHelsinki

OSL - HEL

OSLHEL

Oslo Gardermoen

Thu 10/30

6:25 am-8:50 am

Nonstop1h 25m

Helsinki-Vantaa

Mon 11/3

11:20 pm-11:55 pm

Nonstop1h 35m

$156

OsloHelsinki

OSL - HEL

OSLHEL

Oslo Gardermoen

Thu 10/30

11:00 am-1:30 pm

Nonstop1h 30m

Helsinki-Vantaa

Wed 11/5

12:05 am-4:20 pm

2 stops17h 15m

$171

OsloHelsinki

OSL - HEL

OSLHEL

Oslo Gardermoen

Thu 10/30

11:00 am-1:30 pm

Nonstop1h 30m

Helsinki-Vantaa

Wed 11/5

12:05 am-7:45 am

1 stop8h 40m

$173

OsloHelsinki

OSL - HEL

OSLHEL

Oslo Gardermoen

Sun 1/11

5:00 pm-12:05 am

1 stop6h 05m

Helsinki-Vantaa

Sun 1/18

2:05 pm-6:15 pm

1 stop5h 10m

$182

OsloHelsinki

OSL - HEL

OSLHEL

Oslo Gardermoen

Fri 10/3

10:50 am-1:15 pm

Nonstop1h 25m

Helsinki-Vantaa

Mon 10/6

1:45 pm-2:15 pm

Nonstop1h 30m

$218

OsloHelsinki

OSL - HEL

OSLHEL

Oslo Gardermoen

Fri 10/3

10:50 am-1:15 pm

Nonstop1h 25m

Helsinki-Vantaa

Mon 10/6

1:45 pm-2:15 pm

Nonstop1h 30m

$221

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Helsinki from

How to get the cheapest flight ticket from Oslo to Helsinki

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Oslo and Helsinki?

What is the cheapest month to fly to Helsinki?

The month of January is, on average, the cheapest month to fly to Helsinki from Oslo, with most prices found around $153. If you aren’t able to travel during the month of January, then book flights to Helsinki from Oslo during February instead. Flights to Helsinki in February, while not as cheap as those in January, still average around $154.

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

The cheapest day to depart on your flight to Helsinki is on a Tuesday when prices can be found for as low as $665. 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 Wednesday will generally be more expensive and average around $795. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

According to our data, the cheapest time of day to fly to Helsinki is in the morning. momondo users have found flights departing from Oslo to Helsinki in the morning for as low as $699. 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 $831 per ticket.

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?

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 $184 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 $115 on momondo.

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.

Cheap Oslo to Helsinki flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Oslo to Helsinki

Fastest flight time

1h 20m

Direct flights

Mon, Tue, Wed, Fri, Sat and Sun

Airports in Helsinki

1 airport
The fastest flight from Oslo to Helsinki takes 1h 20m
Direct flights go from Oslo to Helsinki on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport near Helsinki: Helsinki-Vantaa (HEL)
  • How far is Oslo to Helsinki-Vantaa by plane?

    There are 488.4 mi between Oslo and Helsinki-Vantaa. 1h 20m is a normal flight duration for this route.

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

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

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

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

    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.

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

    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.

Best airlines flying from Oslo to Helsinki

Compare and see reviews for airlines that fly from Oslo to Helsinki with momondo
Airline
Rating
Free Cancellation
Price
NorwegianPriceFrom $82Free CancellationRating
7.8
233 reviews
Search Norwegian flights
FinnairPriceFrom $125Free CancellationRating
7.6
1,324 reviews
Search Finnair flights

Traveling to a place near Helsinki?

Book flights to Helsinki if you plan to visit one of these locations
Vantaa
Espoo
Kotka
Lahti

Why use momondo?

Why should I use momondo to find a flight deal from Oslo to Helsinki?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Oslo to Helsinki for you.

Can I find flights from Oslo to Helsinki with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Oslo to Helsinki flights to just show those with flexible booking policies.

How can momondo help me find flights from Oslo to Helsinki?

momondo helps you find the best flight between Oslo and Helsinki by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Oslo to Helsinki right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Helsinki from Oslo. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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1 adult
Fri 10/17
Fri 10/24

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