OSL - DEN

$423 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 11/7. 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

Fri, Nov 7 - Thu, Nov 20
Scandinavian Airlines Logo
11:05 am - 11:49 pmOSL-DEN
20h 44m2 stops
Scandinavian Airlines Logo
7:10 am - 9:20 amDEN-OSL
18h 10m2 stops
$604Scandinavian Airlines
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Thu, Oct 30 - Fri, Nov 14
Icelandair Logo
1:10 pm - 7:05 pmOSL-DEN
12h 55m1 stop
Icelandair Logo
3:40 pm - 11:35 amDEN-OSL
11h 55m1 stop
$611Icelandair
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Sun, Oct 12 - Sun, Oct 19
British Airways Logo
7:45 am - 7:26 pmOSL-DEN
19h 41m2 stops
British Airways Logo
6:44 pm - 11:40 pmDEN-OSL
20h 56m2 stops
$642British Airways
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Thu, Oct 30 - Fri, Nov 14
British Airways Logo
7:05 am - 4:30 pmOSL-DEN
16h 25m1 stop
British Airways Logo
2:49 pm - 5:30 pmDEN-OSL
18h 41m2 stops
$653British Airways
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Thu, Oct 23 - Mon, Oct 27
American Airlines Logo
7:45 am - 8:27 pmOSL-DEN
20h 42m2 stops
American Airlines Logo
5:28 pm - 10:40 pmDEN-OSL
22h 12m2 stops
$659American Airlines
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Thu, Oct 23 - Mon, Oct 27
American Airlines Logo
7:45 am - 11:41 pmOSL-DEN
23h 56m2 stops
American Airlines Logo
6:25 pm - 10:55 amDEN-OSL
33h 30m1 stop
$660American Airlines
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Sat, Oct 11 - Sat, Oct 18
Delta Logo
6:30 am - 9:41 pmOSL-DEN
23h 11m2 stops
Delta Logo
7:05 am - 8:40 amDEN-OSL
17h 35m2 stops
$751Delta
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Fri, Nov 7 - Thu, Nov 20
Lufthansa Logo
6:25 pm - 2:35 pmOSL-DEN
28h 10m1 stop
Lufthansa Logo
4:20 pm - 5:40 pmDEN-OSL
17h 20m1 stop
$819Lufthansa
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Fri, Nov 7 - Thu, Nov 20
Lufthansa Logo
6:25 pm - 2:35 pmOSL-DEN
28h 10m1 stop
Lufthansa Logo
4:20 pm - 5:40 pmDEN-OSL
17h 20m1 stop
$821Lufthansa
Find Deal
Sat, Dec 20 - Sat, Dec 27
Delta Logo
6:25 am - 10:59 pmOSL-DEN
24h 34m2 stops
Delta Logo
6:45 am - 8:40 amDEN-OSL
17h 55m2 stops
$1,009Delta
Find Deal

Everything you should know

Top airlines
Scandinavian Airlines
Cheapest • from $604 (round-trip)
Icelandair
Best reviews • 7.0 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
When to book
5 weeks
in advance
Our data shows that travelers who book at least 5 weeks in advance save around 19% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
April
Cheapest • 18% price drop
June
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Cheapest round-trip
$604
Typical prices: $684-962
Scandinavian Airlines
Fri 11/7Thu 11/20
OSL - DEN • 2 stops
Cheapest one-way
$423
Multiple Airlines
Fri 11/7
OSL - DEN • 2 stops
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Denver!
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 $597 (return) on average. On the other hand, the most expensive months are December and July, where the average cost of round-trip tickets is $854 and $843 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 5 weeks before departure, which saves you about 19% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 21 weeks before departure.

Good to know

Low seasonNovember
Cheapest flight$423
Best time to beat the crowds but there is an average 5% increase in price.
Most popular time to fly with an average 14% 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 $423 for a one-way ticket and $604 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?

    oneworld, Star Alliance, and SkyTeam 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 6.6.

  • 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 546 reviews
7.0Entertainment
6.2Food
6.9Comfort
7.1Boarding
8.0Crew
Airline reviews

Handling our luggage was the biggest issue - they lost it and we got it almost 3 days later. Really threw off the beginning of our trip and we really had to change our itinerary accordingly.

4.0 OkayAnonymous, Sep 2025IAD - KEF
Read more Icelandair reviews

Handling our luggage was the biggest issue - they lost it and we got it almost 3 days later. Really threw off the beginning of our trip and we really had to change our itinerary accordingly.

Seat was hard and uncomfortable and the temperature too warm and uncomfortable.

No meals included on this long international flight. Most airlines will offer you a meal when flying internationally. Not Icelandair. Your included choices are water and coffee. Poor customer service. The airport was also very confusing.

I flew Icelandair with my partner from Prague to the US. Overall flight time was around 12 hours, with a connecting flight in Iceland. I have flown internationally for years and with multiple airlines. Every airline serves you a meal when traveling internationally. Icelandair not only did not offer an inclusive meal, but they did not even offer a snack. The only things they served over our long flight was water and coffee. Ridiculous! Never again will I fly with Icelandair.

Best smelling onboard bathrooms ever. Even after use the whole flight. Biggest overhead bins. Most legroom in economy class. Great Icelandiic music. Really nice staff. Icelandair is awesome! (Don’t fly Air Canada! During the strike they lied about no flights available (I booked this flight myself) and hid the process to get money back on their website by obscuring menu titles, then made it difficult and time consuming to fill out. I’m Canadian. Don’t trust Air Canada!

It was good. The air plane is clean and staff were friendly.

Worst airline I’ve ever flown. Delayed 5.5 hrs, missed connecting flight, and missed an entire day of vacation. Zero customer service

Everything sucked. No food, one small glass of water, a tiny coffee, 5.5 hour delay with no customer service. Would never recommend flying them.

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.

what would have been better would have been that my booking not been canceled by the system and had I been informed that the booking had been cancelled by the system I could have immediately rebooked and not found out that there was an issue when I was told by the system that I needed to book in. It would have also been good if either the booking agent or BA or anyone been in anyway useful. In the end I had to rebook a flight at an additional cost of $350. So no I'm not impressed by BA any of the other parties involved.

Boarding was poor. Why are first class passengers not boarded first?! Bus to the plane and then held on a packed bus because we were waiting for people on the bus before to finish boarding. Seat belt on the fist clas seat is very uncomfortable, cutting into your neck. Other than that crew, seating and food were all excellent. Entertainment, as usual - rubbish.

I paid for full WIFI- it was terrible, kept being in and out could not listen to a podcast

Flight was delayed but my previous flight was as well so It worked to my advantage. This was my first time in first class. I don't think they ever stopped feeding us. The seating area was very spacious and comfortable. The attendants were wonderful, warm, friendly and very personable.

Some how my flight was canceled, neither BA or Justfly.com accepted responsibility. I only found out about this the day before when I tried to check in. I had to book another flight which due to the time ( day before) cost me $300 more. I was still receiving notifications about the flight even when I was on another flight from you. So no my flight to London was not good.

We had a pretty good experience. Enjoyed both the flights. Crew was very good and helpful.

They issued seat assignments and sat my 2 year-old in the row behind me, separate from me and my daughter. Communication/ customer service was terrible. They told me to change it in London, then in London, they told me to talk to the cabin crew, then a supervisor came and stuck us in the back of the plane when we were supposed to be in row 25. Overall, they need to really work on their customer service. Additionally the food was terrible and they ran out of meals and didn’t have any kid options. To top it off there was no in-flight entertainment for the first hour of the trip.

We missed the connection because we had to wait for a shuttle from the plane to the Terminal. Also, we needed assistance and none was available.

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.

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

Information on your arrival and departure airports

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