$365 Find Cheap Flights from Oslo Airport to Colorado

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Oslo Gardermoen to Colorado departing on 2/23. 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, 0 bags

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

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Oslo to Colorado, 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 Colorado, as well as popular online travel agencies
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 23% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flight Deals
Booking Insights
Flight Deals

Book Cheap Oslo Gardermoen to Colorado Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Oslo Gardermoen to Colorado 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 Gardermoen to Colorado

Mon, Feb 23 - Mon, Mar 9
Icelandair Logo
1:10 pm - 6:05 pm
OSL
-
DEN
12h 55m1 stop
Icelandair Logo
4:40 pm - 11:35 am
DEN
-
OSL
11h 55m1 stop
$365Icelandair
Sun, Feb 8 - Mon, Feb 23
British Airways Logo
7:20 am - 11:16 pm
OSL
-
DEN
23h 56m2 stops
British Airways Logo
5:25 pm - 10:55 am
DEN
-
OSL
33h 30m1 stop
$550British Airways
Sun, Feb 8 - Mon, Feb 23
British Airways Logo
7:20 am - 11:16 pm
OSL
-
DEN
23h 56m2 stops
British Airways Logo
12:33 pm - 10:40 pm
DEN
-
OSL
26h 07m2 stops
$551British Airways
Sun, Feb 8 - Mon, Feb 23
British Airways Logo
7:20 am - 3:30 pm
OSL
-
DEN
16h 10m1 stop
British Airways Logo
5:25 pm - 10:55 am
DEN
-
OSL
33h 30m1 stop
$552British Airways
Thu, Feb 26 - Mon, Mar 2
American Airlines Logo
11:45 am - 11:59 pm
OSL
-
COS
20h 14m2 stops
American Airlines Logo
12:30 pm - 10:40 pm
COS
-
OSL
26h 10m2 stops
$648American Airlines
Thu, Feb 26 - Mon, Mar 2
American Airlines Logo
7:05 am - 8:38 pm
OSL
-
COS
21h 33m2 stops
American Airlines Logo
12:30 pm - 10:40 pm
COS
-
OSL
26h 10m2 stops
$650American Airlines
Thu, Feb 26 - Mon, Mar 2
American Airlines Logo
11:45 am - 11:59 pm
OSL
-
COS
20h 14m2 stops
American Airlines Logo
4:49 pm - 10:40 pm
COS
-
OSL
21h 51m2 stops
$652American Airlines
Fri, Jan 23 - Tue, Jan 27
United Airlines Logo
9:35 am - 11:02 am
OSL
-
COS
33h 27m2 stops
United Airlines Logo
1:25 pm - 1:05 pm
COS
-
OSL
15h 40m2 stops
$763United Airlines
Fri, Jan 23 - Tue, Jan 27
Air Canada Logo
9:35 am - 2:34 pm
OSL
-
COS
36h 59m3 stops
Air Canada Logo
11:43 am - 5:10 pm
COS
-
OSL
21h 27m2 stops
$776Air Canada
Fri, Jan 23 - Tue, Jan 27
Air Canada Logo
6:45 am - 8:52 am
OSL
-
COS
34h 07m3 stops
Air Canada Logo
10:33 am - 3:40 pm
COS
-
OSL
21h 07m3 stops
$859Air Canada
Booking Insights

KAYAK's insights & trends for Oslo Gardermoen to Colorado flights

Get data-powered insights and trends into flights from Oslo Gardermoen to Colorado 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 Colorado?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Oslo Gardermoen Airport to Colorado departing in February.

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

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 Colorado, 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 Colorado is April, when tickets cost $613 (return) on average. On the other hand, the most expensive months are November and July, when the average cost of round-trip tickets is $987 and $851 respectively.

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

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 Colorado, 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 Colorado, you should book around 11 weeks before departure, which saves you about 26% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 14 weeks before departure.

Good to know

Low seasonJanuary
Cheapest flight$365
Best time to beat the crowds with an average 11% drop in price.
Most popular time to fly with an average 17% increase in price.
Flight from Oslo to Denver

FAQs - booking Colorado flights

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

    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 Airport to Colorado.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Oslo Airport to Colorado 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 Airport to Colorado?

    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 from Oslo Airport to Colorado with an airline and back with another airline.

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

    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 from Oslo Airport to Colorado 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 Gardermoen to Colorado

 
See real verified KAYAK customer reviews for airlines flying from Oslo to Colorado. 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 Gardermoen to Colorado? 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.
7.1
IcelandairOverall score based on 593 reviews
7.2Boarding
6.9Comfort
8.0Crew
6.2Food
7.0Entertainment
Airline reviews

Problems checking in both on the laptop and on the app. No free seating available at check-in as advertised - must pay for EVERY seat between $23 and $75. No way to cancel seat choice. App menus and site menus are not responsive, and some items are impossible to find. Crew and mobile assistance are friendly and helpful.

8.0 ExcellentDetlef, Dec 2025
DEN - BER
Read more Icelandair reviews

Problems checking in both on the laptop and on the app. No free seating available at check-in as advertised - must pay for EVERY seat between $23 and $75. No way to cancel seat choice. App menus and site menus are not responsive, and some items are impossible to find. Crew and mobile assistance are friendly and helpful.

Food - Non-Existent. You pay for everything. It is strictly Pay-to-Play!

The Experience Was Torture Spend a few extra dollars and avoid Icelandair at all costs. There is absolutely no refreshments, no food, no drinks. Only water, coffee, tea are free and at only half a tiny cup. Entertainment is limited selection of films, shows and mostly outdated. The seats are smaller than usual, with no cushion, no pillows, no blankets. First time in my life have I witness an airline asking for donations in spare change for a charity. With all the money Icelandair saves by starving the passenger, they can afford to give this charity on their own.

Again, we paid $ 328.00 for specific seats are were assigned those seats.

Having been prepared for paying for everything on board other than water, coffee and tea the service was OK. Food and drink is expensive but the food was OK if limited in scope. Plane was clean and obviously well serviced. After complaining about having to walk in wind and rain to a get a bus to the airport the same thing happened at Portland. I’m sure you could get a terminal gate flight, complimentary food and drink for not much more money without traipsing through rain and slush in Reykjavik. Not bad but not great.

If there was a disclaimer regarding food service or lack thereof, l missed it. If l had known l would have prepared better. Same with transferring at Reykjavik. No information about disembarking via stairs into rain, slush and puddles deep enough to swallow a foot. After being treated to haute cuisine restaurants and warm inviting environment during the flight, the airport is, let’s be kind, disappointing. Plane was comfortable, Airbus, staff were welcoming enough. I would likely try the route again. Maybe have a night and day in Iceland. Maybe not.

The boarding process seem to take longer than necessary, resulting in a 20+ minute delay

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.

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.

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!

The flight crew was kind, flexible, and accommodating. The seats on the plane were extremely uncomfortable.

Check-in experience, for business call please provide a premium experience

Lost my luggage, ran out of food choices in business class, ground crew was completely unapologetic.

Excellent. The crew and flight were great. Checking in was easy and everyone was very helpful.

Entertainment devices on A380 need to be fixed, the seats might do with updates.

Everything. Employees offered to help me because I had to use a cane.

Check-in and boarding were great. On flight staff were rude and disrespectful. Paid for extra room and found it incredibly cramped. Bathrooms kept in poor condition. Overall negative experience.

Great seat in premium economy, great food and drinks throughout lots of in flight entertainment. 1 hour 40 min delayed flying out , 2 1/2 hour wait at passport control in tampa

Plane was extremely delayed, but not all of it was BA fault (some was). Worst part was lack of room - this had as much space as an Allegiant flight. I thought transatlantic usually gave you an extra inch or two, but not this one. Entertainment system sporadically worked and didn’t have great options. Overhead bins are old and tiny, not as good as aunties new planes.

My seat cushion was poor. The cushion was compressed and was uncomfortable for such a long flight.

Everything you need to know for your flight from Oslo Gardermoen to Colorado

Information on your arrival and departure airports