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$401+ Cheap flights from Oslo Gardermoen (OSL) to Denver (DEN)

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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — DEN
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from Oslo Gardermoen to Denver Intl are usually found in April or February, booked 81 days in advance, depart on a Monday or Friday and return on a Friday

Cheap flight deals from Oslo Gardermoen to Denver

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

Round-trip from

$560
(United Airlines)

One-way from

$401
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$681
From Oslo Gardermoen to Denver Intl
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One-way flight from Oslo Gardermoen to Denver Intl
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Highest demand for flights based on searches. 4% potential increase in price ($35 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Oslo Gardermoen to Denver

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

This United Airlines deal was found by Cheapflights users on 9/15. 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.
Fri 10/311:45 pmOSL - DEN
2 stops51h 04mUnited Airlines
Mon 11/37:46 amDEN - OSL
2 stops21h 09mUnited Airlines
Deal found 9/15$560
This Ticket deal was found by Cheapflights users on 9/15. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/71:10 pmOSL - DEN
1 stop12h 55mIcelandair
Thu 11/203:40 pmDEN - OSL
1 stop11h 55mIcelandair
Deal found 9/15$610
This Ticket deal was found by Cheapflights users on 9/15. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/712:10 pmOSL - DEN
2 stops19h 39mScandinavian Airlines
Thu 11/207:10 amDEN - OSL
2 stops18h 10mScandinavian Airlines
Deal found 9/15$616
This Billigflug deal was found by Cheapflights users on 9/17. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/77:10 amOSL - DEN
1 stop16h 20mBritish Airways
Thu 11/2012:12 pmDEN - OSL
2 stops14h 43mBritish Airways
Deal found 9/17$640
This Flysmarter deal was found by Cheapflights users on 9/15. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/317:10 amOSL - DEN
1 stop16h 20mBritish Airways
Mon 11/32:49 pmDEN - OSL
2 stops23h 51mBritish Airways
Deal found 9/15$654
This American Airlines deal was found by Cheapflights users on 9/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/711:45 amOSL - DEN
1 stop35h 45mAmerican Airlines
Thu 11/2012:12 pmDEN - OSL
2 stops14h 43mAmerican Airlines
Deal found 9/17$656

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oslo Gardermoen to Denver 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 September 17, 2025.
Use the filters below to find and compare flights from Oslo Gardermoen Airport to Denver that are best for you.

Fly from

Oslo Gardermoen

Fly to

Denver

Route

Depart

Return

Price

OsloDenver

OSL - DEN

OSLDEN

Oslo Gardermoen

Fri 10/31

1:45 pm-9:49 am

2 stops51h 04m

Denver Intl

Mon 11/3

7:46 am-12:55 pm

2 stops21h 09m

$560

OsloDenver

OSL - DEN

OSLDEN

Oslo Gardermoen

Fri 11/7

1:10 pm-6:05 pm

1 stop12h 55m

Denver Intl

Thu 11/20

3:40 pm-11:35 am

1 stop11h 55m

$610

OsloDenver

OSL - DEN

OSLDEN

Oslo Gardermoen

Fri 11/7

5:10 pm-9:37 pm

2 stops36h 27m

Denver Intl

Thu 11/20

7:10 am-9:20 am

2 stops18h 10m

$638

OsloDenver

OSL - DEN

OSLDEN

Oslo Gardermoen

Fri 11/7

11:45 am-3:30 pm

1 stop35h 45m

Denver Intl

Thu 11/20

12:12 pm-10:55 am

2 stops14h 43m

$656

OsloDenver

OSL - DEN

OSLDEN

Oslo Gardermoen

Thu 10/23

1:50 pm-6:55 pm

1 stop13h 05m

Denver Intl

Mon 10/27

4:40 pm-11:35 am

1 stop11h 55m

$658

OsloDenver

OSL - DEN

OSLDEN

Oslo Gardermoen

Thu 10/23

11:40 am-8:27 pm

2 stops16h 47m

Denver Intl

Mon 10/27

6:25 pm-10:55 am

1 stop33h 30m

$660

OsloDenver

OSL - DEN

OSLDEN

Oslo Gardermoen

Fri 11/7

11:45 am-10:19 pm

2 stops18h 34m

Denver Intl

Thu 11/20

12:12 pm-10:55 am

2 stops14h 43m

$662

OsloDenver

OSL - DEN

OSLDEN

Oslo Gardermoen

Tue 10/7

5:45 pm-11:16 pm

3 stops37h 31m

$423

OsloDenver

OSL - DEN

OSLDEN

Oslo Gardermoen

Sun 10/5

9:30 pm-11:13 pm

2 stops33h 43m

$425

OsloDenver

OSL - DEN

OSLDEN

Oslo Gardermoen

Mon 10/6

6:00 am-9:08 am

3 stops35h 08m

$449

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 18 results
1
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Best time to book a flight from Oslo Gardermoen to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Oslo Gardermoen 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 Oslo Gardermoen Airport to Denver

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

Use this chart to determine the optimal time to book a round-trip flight from Oslo Gardermoen to Denver. Price data was last updated on September 12, 2025.

The best time to book flights from Oslo Gardermoen Airport to Denver is 81 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, October is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to Denver (average of $197). Flying from Oslo Gardermoen Airport to Denver in March is currently the most expensive (average of $278). 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 DEN?

Find hourly flight availability from Oslo Gardermoen to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

A simple way to save on the total cost of your ticket is to fly from Oslo Gardermoen Airport to Denver at noon. If you’re flexible enough to do this you can expect to save up to 39% on your trip compared to booking a flight in the afternoon.

How much does it cost to fly round-trip from Oslo Gardermoen Airport to Denver?

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. 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 Denver. Reviews last updated September 17, 2025.
Read through reviews of airlines operating flights from Oslo Gardermoen Airport to Denver, such as Icelandair and British Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Icelandair
7.0
Good
545 reviews

Entertainment

7.0

Comfort

6.9

Overall

7.0

Crew

8.0

Boarding

7.2

Food

6.2

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

GVA - KEF

Terrible customer service when dealing with phone representatives. Baggage was lost.
Icelandair
7.0
Good
545 reviews
Icelandair
7.0
Good
545 reviews

Entertainment

7.0

Comfort

6.9

Overall

7.0

Crew

8.0

Boarding

7.2

Food

6.2

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

GVA - KEF

Terrible customer service when dealing with phone representatives. Baggage was lost.
British Airways
6.7
Okay
7,367 reviews
Icelandair
7.0
Good
545 reviews

Entertainment

7.0

Comfort

6.9

Overall

7.0

Crew

8.0

Boarding

7.2

Food

6.2

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

GVA - KEF

Terrible customer service when dealing with phone representatives. Baggage was lost.

Related info for your journey

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

    Denver Intl (DEN) is the airport you will fly into if you book a flight from Oslo Gardermoen to Denver. You should not have trouble finding flights to Denver Intl from Oslo Gardermoen; the airport handles an average of 0 inbound flights from Oslo Gardermoen per day. You should also have plenty of airline options to choose from since 2 airlines have flights to the Denver airport from Oslo Gardermoen. It is only a 18.5 mi journey from Denver Intl (DEN) to Denver’s city center.

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

    United Airlines, Icelandair, and Scandinavian Airlines can get you from Oslo Gardermoen Airport to Denver in just under 12h 55m. Your travel time can differ by up to 38h 09m. There are 4628 mi between Oslo Gardermoen Airport and Denver. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Oslo Gardermoen Airport to Denver round-trip?

    Our cheapest airline available from Oslo Gardermoen Airport to Denver is Icelandair. Our recent data shows that you can find tickets from as low as $609 on this airline. An additional option worth looking into is British Airways, starting at $677. Icelandair is currently priced 16% below the average price you’ll pay for this route.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Oslo Gardermoen to Denver 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 Denver?

    Currently, October is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to Denver (average of $197). Flying from Oslo Gardermoen Airport to Denver in March is currently the most expensive (average of $278). 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

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
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Top 2 airlines flying from Oslo Gardermoen to Denver

Discover the top 2 airlines that operate flights from Oslo Gardermoen to Denver. 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 2,558,603 searches. Data last updated September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$609Average$723FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$677Average$713FlexibilityNo cancel feeOn-time70%

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