$449 Cheap Flights from Missoula (MSO) to Oslo (OSL)

View $449 flight on Mon, Jan 26, 2026Opens in a new window

Popular airlines from Missoula Intl. Airport (MSO) to Gardermoen Airport (OSL)

Cheap Flights from Missoula to Oslo (MSO-OSL)

Prices were available within the past 7 days and start at $449 for one-way flights and $576 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Dec 8 - Wed, Dec 24
MSO
Missoula
OSL
Oslo
$576 Roundtrip, found 2 days ago
$576
Roundtrip
found 2 days ago
Select United flight, departing Mon, Dec 8 from Missoula to Oslo, returning Wed, Dec 24, priced at $576 found 2 days ago
United
Mon, Nov 10 - Tue, Nov 25
MSO
Missoula
OSL
Oslo
$576 Roundtrip, found 2 days ago
$576
Roundtrip
found 2 days ago
Select United flight, departing Mon, Nov 10 from Missoula to Oslo, returning Tue, Nov 25, priced at $576 found 2 days ago
United
Mon, Feb 2 - Tue, Feb 17
MSO
Missoula
OSL
Oslo
$578 Roundtrip, found 2 days ago
$578
Roundtrip
found 2 days ago
Select United flight, departing Mon, Feb 2 from Missoula to Oslo, returning Tue, Feb 17, priced at $578 found 2 days ago
United
Sun, Mar 22 - Wed, Apr 8
MSO
Missoula
OSL
Oslo
$579 Roundtrip, found 2 days ago
$579
Roundtrip
found 2 days ago
Select United flight, departing Sun, Mar 22 from Missoula to Oslo, returning Wed, Apr 8, priced at $579 found 2 days ago
United
Wed, Dec 10 - Wed, Dec 24
MSO
Missoula
OSL
Oslo
$580 Roundtrip, found 2 days ago
$580
Roundtrip
found 2 days ago
Select United flight, departing Wed, Dec 10 from Missoula to Oslo, returning Wed, Dec 24, priced at $580 found 2 days ago
United
Sun, Oct 19 - Wed, Nov 5
MSO
Missoula
OSL
Oslo
$581 Roundtrip, found 2 days ago
$581
Roundtrip
found 2 days ago
Select United flight, departing Sun, Oct 19 from Missoula to Oslo, returning Wed, Nov 5, priced at $581 found 2 days ago
Delta
Tue, Apr 21 - Fri, May 8
MSO
Missoula
OSL
Oslo
$586 Roundtrip, found 2 days ago
$586
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Apr 21 from Missoula to Oslo, returning Fri, May 8, priced at $586 found 2 days ago
Air France
Sun, Feb 22 - Fri, Mar 13
MSO
Missoula
OSL
Oslo
$664 Roundtrip, found 2 days ago
$664
Roundtrip
found 2 days ago
Select Air France flight, departing Sun, Feb 22 from Missoula to Oslo, returning Fri, Mar 13, priced at $664 found 2 days ago
KLM
Sun, Oct 12 - Mon, Oct 27
MSO
Missoula
OSL
Oslo
$721 Roundtrip, found 2 days ago
$721
Roundtrip
found 2 days ago
Select KLM flight, departing Sun, Oct 12 from Missoula to Oslo, returning Mon, Oct 27, priced at $721 found 2 days ago
American Airlines
Tue, Jan 6 - Tue, Jan 13
MSO
Missoula
OSL
Oslo
$793 Roundtrip, found 1 day ago
$793
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Jan 6 from Missoula to Oslo, returning Tue, Jan 13, priced at $793 found 1 day ago

Alternative airports near Oslo

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Gardermoen OSL. Cheapest and Closest option available. Average driving time to city center is 40 minutes. Flights from $635
OSL
Gardermoen
CheapestClosest
Average driving time to city center40 min
Flights from $635
Flights from Missoula (MSO) to Oslo (OSL)
Origin airport
Missoula Intl.
Destination airport
Gardermoen
Airlines serving
Air France, American Airlines, British Airways, Delta, KLM, United
Roundtrip price
$576
Distance
4422 mi

Missoula to Oslo Flights

The cheapest times to fly from Missoula to Oslo

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Missoula to Oslo are during the month of December. You can find some of the cheapest flights from Missoula to Oslo with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Missoula to Oslo

Sunday is one of the best days to book for cheap flights from Missoula to Oslo: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Missoula to Oslo

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Missoula to Oslo in 2025. You can also book with separate airlines for your outbound and return journeys, from $449 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Missoula to Oslo flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Missoula to Oslo airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Missoula Intl. Airport (MSO) to Gardermoen Airport (OSL) cost?
Grab a cheap one-way flight from $449 or cheap return flight from $576 from Missoula Intl. Airport (MSO) to Gardermoen Airport (OSL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Missoula Intl. Airport (MSO) to Gardermoen Airport (OSL)?
Flying in December may help you find better deals, as it's the cheapest month for flights between MSO and OSL. You'll usually find the lowest fares during off-peak months.
What is the cheapest airline that flies from Missoula Intl. Airport (MSO) to Gardermoen Airport (OSL)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest MSO to OSL flight.
How many flights per day from Missoula Intl. Airport (MSO) to Gardermoen Airport (OSL)?
You'll need to hop on a flight with a layover when traveling from Missoula Intl. Airport (MSO) to Gardermoen Airport (OSL). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from MSO to OSL?
Generally you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* However, this can vary based on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Missoula Intl. Airport (MSO) to Gardermoen Airport (OSL)?
To avoid potential delays on the Missoula Intl. Airport (MSO) to Gardermoen Airport (OSL) route, aim to fly before 3 PM. Flights after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Missoula Intl. Airport (MSO) to Gardermoen Airport (OSL) last-minute?
Last-minute bookings from MSO to OSL are typically more expensive. To lock in the best prices, start searching for flights well ahead of time. That said, if you can play around with your travel dates, you may score a cheap ticket right before your journey.
Is it cheaper to book a MSO to OSL flight and hotel package?
You can save money by securing a MSO to OSL flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. After selecting your preferred flights and accommodations, you can add extras such as car rentals, tours and activities.
Can I cancel or change the date of my flight from Missoula Intl. Airport (MSO) to Gardermoen Airport (OSL)?
In most cases, you're able to cancel or reschedule your MSO to OSL flight. However, there may be additional charges, especially if you booked more than 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you want more details, visit our Customer Service portal.

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*Available to One Key members.