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Cheap flights from Oslo Gardermoen Airport to Helsinki from £69

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/8. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — HEL
26 Aug — 2 Sep1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Oslo Gardermoen to Helsinki-Vantaa are usually found in January or February, booked 80 days in advance, depart on a Saturday or Tuesday and return on a Thursday

Cheap flight deals from Oslo Gardermoen to Helsinki

Enter your travel dates to find the best prices.

Cheapest flights from Oslo Gardermoen to Helsinki
Explore the most affordable flight options available from Oslo Gardermoen to Helsinki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 July 2026.

Tue 22/920:25
OSL
-
HEL
1 stop10h 55m
airBaltic
Wed 23/915:40
HEL
-
OSL
1 stop5h 05m
airBaltic
Deal found 25/7£132
Wed 16/913:15
OSL
-
HEL
2 stops7h 05m
Multiple Airlines
Mon 28/912:15
HEL
-
OSL
1 stop7h 05m
Multiple Airlines
Deal found 23/7£134
Tue 22/917:25
OSL
-
HEL
2 stops22h 15m
Multiple Airlines
Wed 23/921:20
HEL
-
OSL
1 stop11h 10m
Multiple Airlines
Deal found 25/7£137
Sat 29/820:25
OSL
-
HEL
1 stop10h 55m
airBaltic
Tue 1/915:40
HEL
-
OSL
1 stop5h 05m
airBaltic
Deal found 26/7£139
Sat 19/915:10
OSL
-
HEL
1 stop6h 50m
Finnair
Mon 21/911:40
HEL
-
OSL
Nonstop1h 25m
Finnair
Deal found 27/7£143
Sat 29/811:10
OSL
-
HEL
1 stop10h 50m
Finnair
Mon 31/811:40
HEL
-
OSL
Nonstop1h 25m
Finnair
Deal found 25/7£143
Sat 29/808:10
OSL
-
HEL
1 stop11h 30m
airBaltic
Mon 31/815:45
HEL
-
OSL
1 stop5h 00m
airBaltic
Deal found 25/7£146
Thu 17/906:30
OSL
-
HEL
1 stop5h 35m
Multiple Airlines
Sat 19/917:40
HEL
-
OSL
1 stop6h 40m
Multiple Airlines
Deal found 24/7£149
Sat 22/808:35
OSL
-
HEL
Nonstop1h 20m
Finnair
Sat 29/807:15
HEL
-
OSL
1 stop7h 50m
Finnair
Deal found 23/7£152
Thu 13/820:25
OSL
-
HEL
1 stop10h 55m
airBaltic
Sun 16/821:20
HEL
-
OSL
1 stop11h 10m
airBaltic
Deal found 24/7£156

Find flight deals from Oslo Gardermoen to Helsinki

Discover tips and strategies to find the most affordable flight options for your journey from Oslo Gardermoen (OSL) to Helsinki (HEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 27 July 2026.

Round-trip from

£132

One-way from

£69

Popular in

December

Cheapest in

January

Average price

£194

Good round-trip deal

£251 or less

Good one-way deal

£153 or less
airBaltic
  • airBaltic
  • 22/9-23/9
  • 2 total stops
  • 16h 00m total
  • Oslo to Helsinki
Search Deals
airBaltic
  • airBaltic
  • 13/1
  • 1 total stop
  • 3h 15m total
  • Oslo to Helsinki
Search Deals
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Oslo Gardermoen to Helsinki-Vantaa.
Search Deals
Price to beat on a one-way flight from Oslo Gardermoen to Helsinki-Vantaa.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Oslo Gardermoen 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, Cheapflights users made 858,174 searches. Data last updated 27 July 2026.
Use the filters below to find and compare flights from Oslo Gardermoen Airport to Helsinki that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

OsloHelsinki

OSL - HEL

OSLHEL

Oslo Gardermoen

Mon 14/9

20:25-00:40

1 stop3h 15m

Helsinki-Vantaa

Sun 20/9

21:20-07:30

1 stop11h 10m

£132

OsloHelsinki

OSL - HEL

OSLHEL

Oslo Gardermoen

Tue 22/9

20:25-08:20

1 stop10h 55m

Helsinki-Vantaa

Wed 23/9

15:40-19:45

1 stop5h 05m

£132

OsloHelsinki

OSL - HEL

OSLHEL

Oslo Gardermoen

Sat 29/8

20:25-08:20

1 stop10h 55m

Helsinki-Vantaa

Tue 1/9

15:40-19:45

1 stop5h 05m

£139

OsloHelsinki

OSL - HEL

OSLHEL

Oslo Gardermoen

Sat 19/9

15:10-23:00

1 stop6h 50m

Helsinki-Vantaa

Mon 21/9

11:40-12:05

Nonstop1h 25m

£143

OsloHelsinki

OSL - HEL

OSLHEL

Oslo Gardermoen

Sat 29/8

11:10-23:00

1 stop10h 50m

Helsinki-Vantaa

Mon 31/8

11:40-12:05

Nonstop1h 25m

£143

OsloHelsinki

OSL - HEL

OSLHEL

Oslo Gardermoen

Sat 29/8

08:10-20:40

1 stop11h 30m

Helsinki-Vantaa

Mon 31/8

15:45-19:45

1 stop5h 00m

£146

OsloHelsinki

OSL - HEL

OSLHEL

Oslo Gardermoen

Sat 23/1

08:40-11:05

Nonstop1h 25m

Helsinki-Vantaa

Sat 30/1

07:20-07:55

Nonstop1h 35m

£149
Fastest return journey

OsloHelsinki

OSL - HEL

OSLHEL

Oslo Gardermoen

Sat 5/9

20:55-23:20

Nonstop1h 25m

Helsinki-Vantaa

Sat 12/9

19:45-20:10

Nonstop1h 25m

£166

OsloHelsinki

OSL - HEL

OSLHEL

Oslo Gardermoen

Sat 5/12

06:05-17:25

1 stop10h 20m

Helsinki-Vantaa

Sun 6/12

17:35-23:20

1 stop6h 45m

£170
Cheapest one-way

OsloHelsinki

OSL - HEL

OSLHEL

Oslo Gardermoen

Thu 5/11

20:25-08:20

1 stop10h 55m

£70

Flights are sorted by cheapest return flights first.

Deals found on 24/7

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Best time to book a flight from Oslo Gardermoen to Helsinki

Have a flexible travel schedule? Discover the best time to fly to Helsinki from Oslo Gardermoen with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Oslo Gardermoen Airport to Helsinki

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

Booking 79 days in advance of your planned departure date is, on average, the best time to get cheap flights from Oslo Gardermoen Airport to Helsinki. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Oslo Gardermoen Airport to Helsinki?

Currently, January is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to Helsinki (average of £131). Flying from Oslo Gardermoen Airport to Helsinki in December is currently the most expensive (average of £200). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from OSL to HEL?

Find hourly flight availability from Oslo Gardermoen to Helsinki. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 27 July 2026.

A simple way to save on the total cost of your ticket is to fly from Oslo Gardermoen Airport to Helsinki at midday. If you’re flexible enough to do this you can expect to save up to 42% on your trip compared to booking a flight in the afternoon.

How much does it cost for a return flight from Oslo Gardermoen Airport to Helsinki?

Airfare is typical for this route at the moment.

Oslo Gardermoen Airport to Helsinki flights typically cost between £128 and £212 in September.
The cheapest return price found within the last 5 days was £132 on airBaltic (22 Sept–23 Sept).

Reviews of airlines servicing Helsinki

Get insights into the airlines that provide service to Helsinki. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Helsinki. Reviews last updated 27 July 2026.
Read reviews from past customers who have flown with Finnair from Oslo Gardermoen Airport to Helsinki. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,427 reviews
Check prices

Overall

7.6

Comfort

7.4

Entertainment

6.9

Crew

8.2

Boarding

7.7

Food

6.7

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

LAX - HEL

All crew members are really nice behavior. Devdutt also nice person.
Finnair
7.6
Good
1,427 reviews
Finnair
7.6
Good
1,427 reviews
Check prices

Overall

7.6

Comfort

7.4

Entertainment

6.9

Crew

8.2

Boarding

7.7

Food

6.7

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

LAX - HEL

All crew members are really nice behavior. Devdutt also nice person.

Related info for your journey

Find useful and relevant information for your journey from Oslo Gardermoen to Helsinki. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Helsinki from Oslo Gardermoen?

    Helsinki-Vantaa (HEL), located 10.6 mi from the city center, is the airport you fly into when you book flights from Oslo Gardermoen to Helsinki. 1 airline have flights to Helsinki-Vantaa from Oslo Gardermoen on a regular basis. Booking flights from Oslo Gardermoen to Helsinki-Vantaa should not be difficult; the airport handles an average of 9 inbound flights from Oslo Gardermoen per day.

  • How long is the flight from Oslo Gardermoen Airport to Helsinki?

    There are many flights that can get you from Oslo Gardermoen Airport to Helsinki in 3h 15m. Fly via airBaltic or Finnair to get the fastest option. Oslo Gardermoen Airport and Helsinki are separated by a distance of 474 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What is the cheapest airline to fly from Oslo Gardermoen Airport to Helsinki round-trip?

    Flying on Finnair is currently your cheapest option to Helsinki, with prices starting at £151. Users have found that Finnair is 9% cheaper than the other options available to this destination.

  • What are the most reliable airlines from Oslo Gardermoen Airport to Helsinki?

    Consider Norwegian (100%), Norwegian (94%) or Icelandair (81%) when booking your flight. These represent the most reliable airlines when flying from Oslo Gardermoen Airport to Helsinki.

  • What are the cheapest flights from Oslo Gardermoen Airport to Helsinki?

    The cheapest flight price from Oslo Gardermoen Airport to Helsinki is £105. On average you can expect to pay £243. The most popular route, (Oslo Gardermoen - Helsinki-Vantaa), can usually be booked for £122.

  • Can I find deals for flights from Oslo Gardermoen to Helsinki that include hotel bookings?

    Yes. In addition to deals on Oslo Gardermoen to Helsinki flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Oslo Gardermoen to Helsinki?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oslo Gardermoen to Helsinki.

  • Can I find deals for business class flights from Oslo Gardermoen to Helsinki?

    Yes. Cheapflights offers flight deals from Oslo Gardermoen to Helsinki by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Oslo Gardermoen Airport to Helsinki?

    Currently, January is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to Helsinki (average of £131). Flying from Oslo Gardermoen Airport to Helsinki in December is currently the most expensive (average of £200). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Helsinki?

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

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Top airline flying from Oslo Gardermoen to Helsinki

Discover the top airline that operate flights from Oslo Gardermoen to Helsinki. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 27 July 2026.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest£151Average£251FlexibilityNo cancel feeOn-time76%
Search Finnair flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Oslo Gardermoen to Helsinki?

Deals for Oslo Gardermoen to Helsinki flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Oslo Gardermoen to Helsinki?

Cheapflights helps you find that perfect flight to Helsinki from Oslo Gardermoen by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Oslo Gardermoen to Helsinki with no change fees?

Need flexible booking options for your flight to Helsinki from Oslo Gardermoen? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Oslo Gardermoen to Helsinki become cheaper?

Not ready to book yet? You can track prices for flights from Oslo Gardermoen to Helsinki on Cheapflights with our Price Alert feature and get notified when better prices are available.

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