OSL - DEN

$409 Find Cheap Flights from Oslo to Denver

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Oslo to Denver departing on 10/3. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Denver

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Oslo to Denver, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Oslo to Denver, as well as popular online travel agencies
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Flight Deals

Cheap Flights from Oslo to Denver (OSL-DEN)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Oslo to Denver that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Oslo to Denver

Mon, Sep 29 - Tue, Oct 14
Scandinavian Airlines Logo
1:10 pm - 10:35 pmOSL-DEN
17h 25m1 stop
Scandinavian Airlines Logo
7:10 am - 9:15 amDEN-OSL
18h 05m3 stops
$593Scandinavian Airlines
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Thu, Oct 23 - Mon, Oct 27
Scandinavian Airlines Logo
9:00 am - 11:59 pmOSL-DEN
22h 59m2 stops
Scandinavian Airlines Logo
7:10 am - 9:50 amDEN-OSL
19h 40m2 stops
$638Scandinavian Airlines
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Thu, Oct 23 - Mon, Oct 27
Icelandair Logo
1:50 pm - 6:55 pmOSL-DEN
13h 05m1 stop
Icelandair Logo
4:40 pm - 11:35 amDEN-OSL
11h 55m1 stop
$647Icelandair
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Thu, Oct 2 - Wed, Oct 15
British Airways Logo
7:45 am - 4:25 pmOSL-DEN
16h 40m1 stop
British Airways Logo
6:35 pm - 11:30 pmDEN-OSL
20h 55m1 stop
$651British Airways
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Thu, Oct 2 - Wed, Oct 15
Air Canada Logo
6:45 am - 4:24 pmOSL-DEN
17h 39m2 stops
Air Canada Logo
8:40 am - 3:40 pmDEN-OSL
23h 00m2 stops
$659Air Canada
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Thu, Oct 2 - Wed, Oct 15
British Airways Logo
7:45 am - 4:25 pmOSL-DEN
16h 40m1 stop
British Airways Logo
5:04 pm - 7:15 pmDEN-OSL
18h 11m2 stops
$661British Airways
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Mon, Sep 29 - Tue, Oct 14
 Logo
8:35 am - 7:47 pmOSL-DEN
19h 12m2 stops
 Logo
6:35 pm - 4:15 pmDEN-OSL
13h 40m1 stop
Mon, Sep 29 - Wed, Oct 15
 Logo
8:35 pm - 7:47 pmOSL-DEN
31h 12m2 stops
 Logo
6:35 pm - 7:15 pmDEN-OSL
16h 40m1 stop
Mon, Sep 29 - Tue, Oct 14
Air Canada Logo
6:35 am - 4:24 pmOSL-DEN
17h 49m2 stops
Air Canada Logo
6:00 am - 10:50 amDEN-OSL
20h 50m2 stops
$699Air Canada
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Tue, Oct 7 - Wed, Dec 3
Icelandair Logo
1:50 pm - 6:55 pmOSL-DEN
13h 05m1 stop
Icelandair Logo
3:40 pm - 11:35 amDEN-OSL
11h 55m1 stop
$2,693Icelandair
Find Deal
Booking Insights

KAYAK's insights & trends for Oslo to Denver flights

Get data-powered insights and trends into flights from Oslo to Denver to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Oslo Gardermoen Airport to Denver?

What’s the cheapest day of the week to fly from Oslo to Denver?

The average price of all round-trip flights from Oslo Gardermoen Airport to Denver clicked on KAYAK for each day over the last 12 months.

When flying from Oslo to Denver, you should consider leaving on a Sunday and avoid Fridays if you are looking for the best rates. For your return to Oslo, you’ll find the best rates on Fridays and the most expensive ones on Thursdays.

What is the cheapest month to fly from Oslo Gardermoen Airport to Denver?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Oslo Gardermoen Airport to Denver, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Oslo Gardermoen Airport to Denver is April, where tickets cost $598 (return) on average. On the other hand, the most expensive months are December and June, where the average cost of round-trip tickets is $856 and $844 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Oslo Gardermoen Airport to Denver, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Oslo Gardermoen Airport to Denver, you should book around 9 weeks before departure, which saves you about 26% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 23 weeks before departure.

Good to know

Low seasonNovember
Cheapest flight$409
Best time to beat the crowds with an average 5% drop in price.
Most popular time to fly with an average 16% increase in price.
Flight from Oslo to Denver

When to book flights from Oslo to Denver

Are your dates flexible? Find out the best times to travel from Oslo to Denver based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Oslo to Denver flights

  • What is the cheapest flight from Oslo Gardermoen Airport to Denver?

    In the last 3 days, the lowest price for a flight from Oslo Gardermoen Airport to Denver was $409 for a one-way ticket and $593 for a round-trip.

  • Do I need a passport to fly between Oslo and Denver?

    Yes, you'll most likely have to show a valid passport before boarding the plane in Oslo and on arrival in Denver.

  • Which aircraft models fly most regularly from Oslo to Denver?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Oslo to Denver?

    SkyTeam, Star Alliance, and oneworld are the airline alliances operating flights between Oslo and Denver, with Star Alliance being the most commonly used for this route.

  • Which is the best airline for flights from Oslo to Denver, Icelandair or British Airways?

    The two airlines most popular with KAYAK users for flights from Oslo to Denver are Icelandair and British Airways. With an average price for the route of $723 and an overall rating of 7.0, Icelandair is the most popular choice. British Airways is also a great choice for the route, with an average price of $713 and an overall rating of 6.7.

  • How does KAYAK find such low prices on flights from Oslo to Denver?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Oslo to Denver.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Oslo to Denver?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Denver from Oslo is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Oslo to Denver?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Denver with an airline and back to Oslo with another airline. Booking your flights between Oslo and DEN can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Oslo to Denver?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Denver from Oslo up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airlines flying from Oslo to Denver

 
See real verified KAYAK customer reviews for airlines flying from Oslo to Denver. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Oslo to Denver? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.0
IcelandairOverall score based on 529 reviews
6.9Comfort
7.1Boarding
8.0Crew
6.2Food
7.0Entertainment
Airline reviews

The crew was wonderful at check in, the gate and on board. Felt the luggage had more room than the passengers. The seats were smaller than most domestic U.S. airlines. I'm only 5'2" and I had little legroom. There were only 2 bathrooms in coach. Needed more. The flight was very smooth but not the most comfortable.

6.0 GoodLinda, Aug 2025BNA - KEF
Read more Icelandair reviews

The crew was wonderful at check in, the gate and on board. Felt the luggage had more room than the passengers. The seats were smaller than most domestic U.S. airlines. I'm only 5'2" and I had little legroom. There were only 2 bathrooms in coach. Needed more. The flight was very smooth but not the most comfortable.

There was no lounge at Boston for us to use. Typically flying first class overseas comes with lounge privileges. The seats did not recline even a little. My headset only worked on one side. I felt like I was flying on Ryan Air, not Icelandic Air.

The flight was delayed and as a consequence we missed our connecting flight. Were stuck for another 6h in Reykyavik. Appreciated that we got a generous food voucher at least. Would have liked to see more information upon arrival including a person waiting for connecting flight travellers and informing already that we will not catch the flight and directing us to the office dealing with the matter; unfortunately that didnt happen and we hence first needed to find out whether flight had indeed left already and then locate the adequate office to help us with booking us on the next connecting flight. Also my suitcase broke and it is not clear whether it is happened on the leg with Iceland Air from DC to Reykyavik or on the leg with Lufthansa from Reykyavik to Frankfurt. Finally, understood that it is a low cost company but at least provision of earplugs for free would have been nice, instead of making them buy.

Good service. No complementary food for international flight. WiFi kinda pricey. Got the job done for the right price.

For a four hour flight, I was disappointed that everything was for purchase except for coffee, tea, or water. The disembarking in Iceland was so inefficient and time-consuming. We landed and stopped in the middle of the tarmac, had to disembark in the rain, and then squeeze into a bus which took us to the airport. Crazy! How does that work in winter?

Paid for a Premium seat...minimal recline, no footrest. Maybe slightly wider than a cheap economy seat. Zero chance of getting any rest on this plane

Comfort of seats is not good. Like sitting on a rock for 6 hours. Also no in flight food and limited beverages unless you pay is not nice. Need flight to be dark during the “night” but attendants don’t ask for shades to be lowered..

Seats in premier saga class were narrow and hard. Very uncomfortable for a 5-hour flight.

Iceland airlines doesn't provide any meal on flight to and from New York, except water and soda. Airline over charge for checking in luggage. I'm really upset.

I had an exit row and so was Comfortable on the long flight.

When we arrived at the airport - 1st step - printing out your boarding pass - no issue. Not long lines as these machines. 2nd step - processing your bag drop off. There was only one associate there to help 10 kiosks. We had a family in front of us for 20 minutes trying to work on the machine and figure out every step for 4 pieces of luggage. My husband alerted the associate who was able to assist the family. Highly suggest that there are more associates to assist in this process. Besides this issue, security check went very quickly. Our flight was direct to Philadelphia. We had to carry our bags down two flights of steps, then out to the tarmac to a bus, then carry our bags up two flights of stairs to the plane. No one on the flight was expecting that long trek. I could see some people were struggling a bit. All in all - great flight crew, plane was clean and food was great!

There were no gluten-free vegan options available, so food was very limited on this flight, and some of the crew weren’t especially helpful about it. To make matters worse, a passenger was sick on board, and although the area was cleaned, the smell lingered for the rest of the journey. On top of that, we ended up circling for an extra hour, which only made the unpleasant situation drag on even longer.

Checking in prior on line and wait time at Gatwick was terrible. I would rate a big fat ZERO.

There was a slight delay. Otherwise, everything else was satisfactory.

The company that I bought my tickets through, Cheapflightsfares, failed to provide my confirmation information in a timely manner, so I was unable to check on at the country and therefore unable to make my flight. As a matter of fact, I STILL have not received the confirmation. After having read more and more reviews about the company, Cheapflightsfares appears to have scammed hundreds of hopeful travelers out of thousands of dollars. Please look into this company and, for the sake of anyone planning their next trip, stop allowing them to do business through you.

I checked in to bags, one arrived one was delayed. I did not receive the bag for 4 days - arrived on Tuesday, received bag on Saturday!

It was ok. Our flight was delayed 2 hours, and then again on arrival. The explanation given felt feeble.

The plane was known to be late in advance of takeoff. My guess is that it was known to be late at 11am or 5 hours before scheduled takeoff time. We were late to leave and with a wheelchair and the a cart, we only made it to gate. We raced! Inside plane, all was great

The booking agent, cheapflightsfares, messed up, and the information for the seats we paid extra for was not sent to American Airlines. We were separated on the return flight and sent to the lowest economy section. The flight attendant helped arrange seating at the back of the plane to allow my wife and me to sit together.

I liked the comfort of the seats, very attentive crew, and the meals were excellent.

Everything you need to know for your flight from Oslo to Denver

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