$538 Cheap Flights from Oslo (OSL) to Bismarck (BIS)

View $538 flight on Fri, Jan 30, 2026Opens in a new window

Popular airlines from Gardermoen Airport (OSL) to Bismarck, ND (BIS-Bismarck Municipal)

Cheap Flights from Oslo to Bismarck (OSL-BIS)

Prices were available within the past 7 days and start at $538 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Oslo (OSL) to Bismarck (BIS)
Origin airport
Gardermoen
Destination airport
Bismarck Municipal
Distance
4120 mi

Oslo to Bismarck Flights

The cheapest times to fly from Oslo to Bismarck

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 Oslo to Bismarck are during the month of . You can find some of the cheapest flights from Oslo to Bismarck with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Oslo to Bismarck

Sunday is one of the best days to book for cheap flights from Oslo to Bismarck: 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 Oslo to Bismarck

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 Oslo to Bismarck in 2025. You can also book with separate airlines for your outbound and return journeys, from $538 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 Oslo to Bismarck 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 Oslo to Bismarck 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 Gardermoen Airport (OSL) to Bismarck Municipal Airport (BIS) cost?
Grab a cheap one-way flight from $538 or cheap return flight from Gardermoen Airport (OSL) to Bismarck Municipal Airport (BIS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Gardermoen Airport (OSL) to Bismarck Municipal Airport (BIS)?
Flying in is a good way to save, as it's the cheapest month for flights between OSL and BIS. You'll usually find the lowest prices during the off-season.
What is the cheapest airline that flies from Gardermoen Airport (OSL) to Bismarck Municipal Airport (BIS)?
To find the cheapest airline that'll fly you from OSL to BIS, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Gardermoen Airport (OSL) to Bismarck Municipal Airport (BIS)?
You'll have to hop on a flight with a layover when traveling from Gardermoen Airport (OSL) to Bismarck Municipal Airport (BIS). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from OSL to BIS?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Gardermoen Airport (OSL) to Bismarck Municipal Airport (BIS)?
To avoid potential delays on the Gardermoen Airport (OSL) to Bismarck Municipal Airport (BIS) route, travel before 3 PM. Departures after this hour 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 Gardermoen Airport (OSL) to Bismarck Municipal Airport (BIS) last-minute?
Booking your plane ticket from OSL to BIS shortly before your journey is generally more expensive. But if there's some wiggle room with your departure times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book an OSL to BIS flight and hotel package?
You'll generally save money by booking an OSL to BIS flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. Once you've chosen your preferred accommodations and flights, consider adding extras like car rentals, activities and tours.
Can I cancel or change the date of my flight from Gardermoen Airport (OSL) to Bismarck Municipal Airport (BIS)?
In most cases, you're able to cancel or reschedule your OSL to BIS flight. However, additional charges may apply, especially if you booked more than 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you need further information, visit our Customer Service portal.

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*Available to One Key members.