$297 Cheap Flights from Denver (DEN) to Oslo (OSL)

View $297 flight on Thu, Aug 14, 2025Opens in a new window

Popular airlines from Denver Intl. Airport (DEN) to Gardermoen Airport (OSL)

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Cheap Flights from Denver to Oslo (DEN-OSL)

Prices were available within the past 7 days and start at $297 for one-way flights and $417 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Tue, Oct 14 - Sat, Nov 1
DEN
Denver
OSL
Oslo
$417 Roundtrip, just found
$417
Roundtrip
just found
Select Icelandair flight, departing Tue, Oct 14 from Denver to Oslo, returning Sat, Nov 1, priced at $417 just found
Icelandair
Tue, Nov 4 - Sun, Nov 23
DEN
Denver
OSL
Oslo
$419 Roundtrip, found 5 hours ago
$419
Roundtrip
found 5 hours ago
Select Icelandair flight, departing Tue, Nov 4 from Denver to Oslo, returning Sun, Nov 23, priced at $419 found 5 hours ago
British Airways
Sun, Oct 19 - Thu, Nov 6
DEN
Denver
OSL
Oslo
$475 Roundtrip, found 8 hours ago
$475
Roundtrip
found 8 hours ago
Select British Airways flight, departing Sun, Oct 19 from Denver to Oslo, returning Thu, Nov 6, priced at $475 found 8 hours ago
American Airlines
Tue, Aug 12 - Wed, Aug 20
DEN
Denver
OSL
Oslo
$478 Roundtrip, found 6 hours ago
$478
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Tue, Aug 12 from Denver to Oslo, returning Wed, Aug 20, priced at $478 found 6 hours ago
United
Mon, Aug 18 - Mon, Aug 25
DEN
Denver
OSL
Oslo
$489 Roundtrip, found 7 hours ago
$489
Roundtrip
found 7 hours ago
Select United flight, departing Mon, Aug 18 from Denver to Oslo, returning Mon, Aug 25, priced at $489 found 7 hours ago
Lufthansa
Sun, Oct 19 - Thu, Nov 6
DEN
Denver
OSL
Oslo
$497 Roundtrip, found 8 hours ago
$497
Roundtrip
found 8 hours ago
Select Lufthansa flight, departing Sun, Oct 19 from Denver to Oslo, returning Thu, Nov 6, priced at $497 found 8 hours ago
Iberia
Tue, Oct 28 - Tue, Nov 4
DEN
Denver
OSL
Oslo
$501 Roundtrip, found 2 days ago
$501
Roundtrip
found 2 days ago
Select Iberia flight, departing Tue, Oct 28 from Denver to Oslo, returning Tue, Nov 4, priced at $501 found 2 days ago
Air Canada
Tue, Nov 25 - Tue, Dec 2
DEN
Denver
OSL
Oslo
$501 Roundtrip, found 5 days ago
$501
Roundtrip
found 5 days ago
Select Air Canada flight, departing Tue, Nov 25 from Denver to Oslo, returning Tue, Dec 2, priced at $501 found 5 days ago
Brussels Airlines
Tue, Nov 25 - Tue, Dec 2
DEN
Denver
OSL
Oslo
$525 Roundtrip, found 5 days ago
$525
Roundtrip
found 5 days ago
Select Brussels Airlines flight, departing Tue, Nov 25 from Denver to Oslo, returning Tue, Dec 2, priced at $525 found 5 days ago
Delta
Sun, Jan 11 - Sun, Jan 18
DEN
Denver
OSL
Oslo
$533 Roundtrip, found 4 days ago
$533
Roundtrip
found 4 days ago
Select Delta flight, departing Sun, Jan 11 from Denver to Oslo, returning Sun, Jan 18, priced at $533 found 4 days ago

Find the cheapest month to fly from Denver (DEN) to Oslo (OSL)

November is typically the cheapest month to fly

From $416 - $957 per traveler.

Graph displaying average flight prices per month

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 $433
OSL
Gardermoen
CheapestClosest
Average driving time to city center40 min
Flights from $433
Flights from Denver (DEN) to Oslo (OSL)
Origin airport
Denver Intl.
Destination airport
Gardermoen
Airlines serving
Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Roundtrip price
$417
Distance
4631 mi

Denver to Oslo Flights

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

 

The best time to book a flight from Denver to Oslo

Sunday is one of the best days to book for cheap flights from Denver 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 Denver 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 Denver to Oslo in 2025. You can also book with separate airlines for your outbound and return journeys, from $297 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 Denver 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 Denver 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 Denver Intl. Airport (DEN) to Gardermoen Airport (OSL) cost?
Discover the latest flight deals from DEN to OSL by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from DEN to OSL?
The cheapest flights from DEN to OSL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from DEN to OSL?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from DEN to OSL. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Denver Intl. Airport (DEN) to Gardermoen Airport (OSL)?
Nonstop flights from Denver Intl. Airport (DEN) to Gardermoen Airport (OSL) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from DEN to OSL?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Denver Intl. Airport (DEN) to Gardermoen Airport (OSL)?
To avoid potential delays on the Denver Intl. Airport (DEN) to Gardermoen Airport (OSL) route, aim to travel before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**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 Denver Intl. Airport (DEN) to Gardermoen Airport (OSL) last-minute?
Last-minute bookings from DEN to OSL are usually more expensive. To secure the lowest rates, start searching for flights early. That said, if you're flexible with your travel dates, you may score a cheap fare just before your departure.
Is it cheaper to book a DEN to OSL flight and hotel package?
You'll generally save money by securing a DEN to OSL flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. After choosing your ideal flights and accommodations, you can add extras such as tours, activities and car rentals.
Can I cancel or change the date of my flight from Denver Intl. Airport (DEN) to Gardermoen Airport (OSL)?
Generally, it's possible to reschedule or cancel your DEN to OSL flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.