Cheap flights from Oslo to Helsinki from $75

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 11/3. 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
8:25 am - 8:40 pmOSL-HEL
11h 15m1 stop
airBaltic Logo
8:40 am - 7:10 pmHEL-OSL
11h 30m1 stop
$143airBaltic
Find Deal
Sat, Oct 25 - Tue, Oct 28
 Logo
3:15 pm - 11:35 pmOSL-HEL
7h 20m1 stop
 Logo
1:45 pm - 2:15 pmHEL-OSL
1h 30mnonstop
Thu, Oct 16 - Thu, Oct 23
 Logo
8:45 pm - 11:10 pmOSL-HEL
1h 25mnonstop
 Logo
1:45 pm - 2:15 pmHEL-OSL
1h 30mnonstop
Sat, Oct 18 - Mon, Oct 20
Norwegian Logo
11:20 am - 4:40 pmOSL-HEL
4h 20m1 stop
Norwegian Logo
1:45 pm - 2:15 pmHEL-OSL
1h 30mnonstop
$167Norwegian
Find Deal
Fri, Oct 3 - Mon, Oct 6
Norwegian Logo
11:20 am - 6:20 pmOSL-HEL
6h 00m1 stop
Norwegian Logo
8:30 am - 10:10 amHEL-OSL
2h 40m1 stop
$176Norwegian
Find Deal
Fri, Oct 3 - Mon, Oct 6
Scandinavian Airlines Logo
8:40 am - 3:25 pmOSL-HEL
5h 45m1 stop
Scandinavian Airlines Logo
4:10 pm - 7:45 pmHEL-OSL
4h 35m1 stop
$180Scandinavian Airlines
Find Deal
Tue, Jan 20 - Fri, Jan 23
Finnair Logo
2:35 pm - 10:55 pmOSL-HEL
7h 20m1 stop
Finnair Logo
12:00 pm - 12:25 pmHEL-OSL
1h 25mnonstop
$184Finnair
Find Deal
Sat, Oct 18 - Tue, Oct 21
Finnair Logo
8:45 pm - 11:10 pmOSL-HEL
1h 25mnonstop
Finnair Logo
11:20 pm - 11:55 pmHEL-OSL
1h 35mnonstop
$185Finnair
Find Deal
Sat, Oct 25 - Tue, Oct 28
Scandinavian Airlines Logo
6:00 am - 10:35 amOSL-HEL
3h 35m1 stop
Scandinavian Airlines Logo
7:10 am - 8:45 amHEL-OSL
2h 35m1 stop
$193Scandinavian Airlines
Find Deal
Sat, Oct 18 - Tue, Oct 21
British Airways Logo
8:20 am - 5:50 pmOSL-HEL
8h 30m1 stop
British Airways Logo
9:05 pm - 10:25 amHEL-OSL
14h 20m1 stop
$741British Airways
Find Deal
Sat, Oct 18 - Mon, Oct 20

airBaltic flights from Oslo to Helsinki

Our best airBaltic deals on Oslo to Helsinki flight tickets
airBaltic
Oct 25
OSL8:25 amOslo Gardermoen
11h 15m
1 stop
HEL8:40 pmHelsinki-Vantaa
Oct 28
HEL8:40 amHelsinki-Vantaa
11h 30m
1 stop
OSL7:10 pmOslo Gardermoen
airBaltic
Oct 3
OSL7:45 pmOslo Gardermoen
3h 35m
1 stop
HEL12:20 amHelsinki-Vantaa
Oct 6
HEL5:35 amHelsinki-Vantaa
14h 30m
1 stop
OSL7:05 pmOslo Gardermoen
airBaltic
Nov 7
OSL2:10 pmOslo Gardermoen
16h 50m
1 stop
HEL8:00 amHelsinki-Vantaa
Nov 9
HEL9:20 pmHelsinki-Vantaa
22h 50m
1 stop
OSL7:10 pmOslo Gardermoen

Finnair flights from Oslo to Helsinki

Our best Finnair deals on Oslo to Helsinki flight tickets
Finnair
Oct 18
OSL2:35 pmOslo Gardermoen
7h 20m
1 stop
HEL10:55 pmHelsinki-Vantaa
Oct 21
HEL12:00 pmHelsinki-Vantaa
1h 25m
OSL12:25 pmOslo Gardermoen
Finnair
Oct 25
OSL8:45 pmOslo Gardermoen
1h 25m
HEL11:10 pmHelsinki-Vantaa
Oct 28
HEL11:20 pmHelsinki-Vantaa
1h 35m
OSL11:55 pmOslo Gardermoen
Finnair
Jan 20
OSL8:50 pmOslo Gardermoen
1h 25m
HEL11:15 pmHelsinki-Vantaa
Jan 23
HEL7:00 amHelsinki-Vantaa
1h 40m
OSL7:40 amOslo Gardermoen

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 3, 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

Sat 10/25

8:25 am-8:40 pm

1 stop11h 15m

Helsinki-Vantaa

Tue 10/28

8:40 am-7:10 pm

1 stop11h 30m

$143

OsloHelsinki

OSL - HEL

OSLHEL

Oslo Gardermoen

Thu 10/16

3:15 pm-11:35 pm

1 stop7h 20m

Helsinki-Vantaa

Thu 10/23

1:45 pm-2:15 pm

Nonstop1h 30m

$147

OsloHelsinki

OSL - HEL

OSLHEL

Oslo Gardermoen

Sat 10/18

8:45 pm-11:10 pm

Nonstop1h 25m

Helsinki-Vantaa

Mon 10/20

1:45 pm-2:15 pm

Nonstop1h 30m

$150

OsloHelsinki

OSL - HEL

OSLHEL

Oslo Gardermoen

Fri 10/3

11:20 am-4:40 pm

1 stop4h 20m

Helsinki-Vantaa

Mon 10/6

1:45 pm-2:15 pm

Nonstop1h 30m

$167

OsloHelsinki

OSL - HEL

OSLHEL

Oslo Gardermoen

Fri 10/3

11:20 am-6:20 pm

1 stop6h 00m

Helsinki-Vantaa

Mon 10/6

8:30 am-10:10 am

1 stop2h 40m

$176

OsloHelsinki

OSL - HEL

OSLHEL

Oslo Gardermoen

Tue 1/20

8:40 am-3:25 pm

1 stop5h 45m

Helsinki-Vantaa

Fri 1/23

4:10 pm-7:45 pm

1 stop4h 35m

$180

OsloHelsinki

OSL - HEL

OSLHEL

Oslo Gardermoen

Sat 10/18

2:35 pm-10:55 pm

1 stop7h 20m

Helsinki-Vantaa

Tue 10/21

12:00 pm-12:25 pm

Nonstop1h 25m

$184

OsloHelsinki

OSL - HEL

OSLHEL

Oslo Gardermoen

Sat 10/25

8:45 pm-11:10 pm

Nonstop1h 25m

Helsinki-Vantaa

Tue 10/28

11:20 pm-11:55 pm

Nonstop1h 35m

$185

OsloHelsinki

OSL - HEL

OSLHEL

Oslo Gardermoen

Sat 10/18

6:00 am-10:35 am

1 stop3h 35m

Helsinki-Vantaa

Tue 10/21

7:10 am-8:45 am

1 stop2h 35m

$193

OsloHelsinki

OSL - HEL

OSLHEL

Oslo Gardermoen

Sat 10/18

8:20 am-5:50 pm

1 stop8h 30m

Helsinki-Vantaa

Mon 10/20

9:05 pm-10:25 am

1 stop14h 20m

$741

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 $151. 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 Friday when prices can be found for as low as $651. 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 $783. 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 $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 $828 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 $183 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
231 reviews
Search Norwegian flights
Scandinavian AirlinesPriceFrom $120Free CancellationRating
7.4
1,481 reviews
Search Scandinavian Airlines flights
FinnairPriceFrom $126Free CancellationRating
7.6
1,321 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
Mon 9/8
Mon 9/15

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