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Oslo Gardermoen

$787+ Cheap flights from Helena (HLN) to Oslo Gardermoen (OSL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — OSL
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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Cheap flight deals from Helena to Oslo Gardermoen

Discover tips and strategies to find the most affordable flight options for your journey from Helena (HLN) to Oslo Gardermoen (OSL). 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 April 17, 2025.

Round-trip from

$787
(United Airlines)
From Helena to Oslo Gardermoen
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Find flight deals from Helena to Oslo Gardermoen

Cheapest flights from Helena to Oslo Gardermoen
Explore the most affordable flight options available from Helena to Oslo Gardermoen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

This United Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/292:34 pmHLN - OSL
2 stops19h 31mUnited Airlines
Sun 8/317:15 amOSL - HLN
2 stops21h 44mUnited Airlines
Deal found 4/17$787

Cheapflights Fare Finder

Customize your flight search to find flights from Helena to Oslo Gardermoen 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 2,558,603 searches. Data last updated April 17, 2025.
Use the filters below to find and compare flights from Helena to Oslo Gardermoen Airport that are best for you.

Fly from

Helena

Fly to

Oslo Gardermoen

Route

Depart

Return

Price

HelenaOslo

HLN - OSL

HLNOSL

Helena

Tue 7/29

2:34 pm-6:05 pm

2 stops19h 31m

Oslo Gardermoen

Sun 8/31

7:15 am-8:59 pm

2 stops21h 44m

$787

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Best time to book a flight from Helena to Oslo Gardermoen

Have a flexible travel schedule? Discover the best time to fly to Oslo Gardermoen from Helena with our price prediction graph.
Estimated round-trip 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 Helena to Oslo Gardermoen Airport

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

Currently, November is the cheapest month in which you can book a flight from Helena to Oslo Gardermoen Airport (average of $567). Flying from Helena to Oslo Gardermoen Airport in June is currently the most expensive (average of $1,101). 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.

Rainfall in Oslo Gardermoen by month

Plan your trip to Oslo Gardermoen by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Oslo Gardermoen Airport ranges from 1.6 - 3.5 inches per month. August is typically the wettest month, when rainfall can reach 3.5 in. February is typically the driest time to visit Oslo Gardermoen Airport when rainfall is around 1.6 in.

Temperature in Oslo Gardermoen by month

Plan your trip to Oslo Gardermoen by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Oslo Gardermoen Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.6 F).

Reviews of airlines servicing Oslo Gardermoen

Get insights into the airlines that provide service to Oslo Gardermoen. 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 Oslo Gardermoen. Reviews last updated April 17, 2025.
United Airlines
7.4
Good
8,667 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.0

Food

6.6

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,667 reviews
United Airlines
7.4
Good
8,667 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.0

Food

6.6

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Helena to Oslo Gardermoen. 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 from for flights from Helena to Oslo Gardermoen?

    Most people fly from Helena (HLN) if they book a flight from Helena to Oslo Gardermoen. On average, Helena has 0 outbound flights to Oslo Gardermoen per day from 0 airlines. Helena is conveniently located just 2.7 mi from Helena’s city center.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Helena to Oslo Gardermoen 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 Helena to Oslo Gardermoen Airport?

    Currently, November is the cheapest month in which you can book a flight from Helena to Oslo Gardermoen Airport (average of $567). Flying from Helena to Oslo Gardermoen Airport in June is currently the most expensive (average of $1,101). 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.

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