HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Denver

$559+ Cheap flights from Keflavik Intl (KEF) to Denver (DEN)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — DEN
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Keflavik Intl to Denver with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Keflavik Intl to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Keflavik Intl (KEF) 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 November 21, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$559
(oojo)
Provider with most accurate pricing for Reykjavik Keflavik Intl-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Reykjavik Keflavik Intl-Denver Intl flights.
Search Deals
From Reykjavik Keflavik Intl to Denver Intl
Search Deals

Find flight deals from Keflavik Intl to Denver

Cheapest flights from Keflavik Intl to Denver
Explore the most affordable flight options available from Keflavik Intl to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This Kiwi.com deal was found by Cheapflights users on 11/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/74:00 pmKEF - DEN
2 stops32h 58mMultiple Airlines
Wed 12/116:43 amDEN - KEF
1 stop15h 17mMultiple Airlines
Deal found 11/21$629
This Icelandair deal was found by Cheapflights users on 11/21. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/710:00 amKEF - DEN
1 stop19h 16mIcelandair
Wed 12/1111:18 pmDEN - KEF
1 stop15h 32mIcelandair
Deal found 11/21$779
This Ovago deal was found by Cheapflights users on 11/20. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/411:45 amKEF - DEN
1 stop34h 40mBritish Airways
Wed 12/114:10 pmDEN - KEF
2 stops35h 45mBritish Airways
Deal found 11/20$892
This American Airlines deal was found by Cheapflights users on 11/21. 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.
Sat 12/711:50 amKEF - DEN
2 stops41h 47mAmerican Airlines
Wed 12/112:43 pmDEN - KEF
2 stops43h 52mAmerican Airlines
Deal found 11/21$1,026

Find flights from Keflavik Intl to Denver within your budget

Customize your flight search to find flights from Keflavik Intl 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 2,629,791 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Tue 1/14

4:55 pm-6:05 pm

Nonstop8h 10m

Denver Intl

Mon 1/20

3:40 pm-6:05 am

Nonstop7h 25m

$559

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Mon 1/13

3:40 pm-11:31 pm

2 stops38h 51m

Denver Intl

Mon 1/20

6:50 am-11:20 pm

2 stops33h 30m

$575

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Sat 12/7

4:00 pm-5:58 pm

2 stops32h 58m

Denver Intl

Wed 12/11

6:43 am-5:00 am

1 stop15h 17m

$629

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Wed 12/4

11:45 am-3:25 pm

1 stop34h 40m

Denver Intl

Wed 12/11

4:10 pm-10:55 am

2 stops35h 45m

$892

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Mon 1/13

11:45 am-3:25 pm

1 stop34h 40m

Denver Intl

Mon 1/20

4:00 pm-10:50 am

2 stops35h 50m

$932

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Sat 1/11

10:00 am-5:47 pm

2 stops38h 47m

$668

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Sat 1/11

5:05 pm-10:36 pm

1 stop12h 31m

$731

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Compare providers for flights from Keflavik Intl to Denver

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Keflavik Intl to Denver in November.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Reykjavik Keflavik Intl Airport-Denver flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Reykjavik Keflavik Intl Airport-Denver flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Reykjavik Keflavik Intl Airport-Denver flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Reykjavik Keflavik Intl Airport-Denver flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Reykjavik Keflavik Intl Airport-Denver flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Keflavik Intl to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Keflavik Intl 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.

Travel insights for flights from Keflavik Intl to Denver

Get recent, data-driven insights about flights from Keflavik Intl to Denver including ideal travel times, pricing trends, and more.

What is the cheapest time of day to fly from KEF to DEN?

Find hourly flight availability from Keflavik Intl 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 November 21, 2024.

One of the essential ways to save on airfare from Reykjavik Keflavik Intl Airport to Denver is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 26% on airfare.

Rainfall in Denver by month

Plan your trip to Denver by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Denver ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Denver when rainfall is around 0.5 in.

Temperature in Denver by month

Plan your trip to Denver by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Denver, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 November 21, 2024.
Finnair
7.7
Good
1,300 reviews

Comfort

7.5

Entertainment

6.9

Boarding

7.7

Crew

8.2

Food

6.7

Overall

7.7

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Finnair
7.7
Good
1,300 reviews
Finnair
7.7
Good
1,300 reviews

Comfort

7.5

Entertainment

6.9

Boarding

7.7

Crew

8.2

Food

6.7

Overall

7.7

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Scandinavian Airlines
7.3
Good
1,301 reviews
Finnair
7.7
Good
1,300 reviews

Comfort

7.5

Entertainment

6.9

Boarding

7.7

Crew

8.2

Food

6.7

Overall

7.7

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

American Airlines
7.2
Good
10,000 reviews
Finnair
7.7
Good
1,300 reviews

Comfort

7.5

Entertainment

6.9

Boarding

7.7

Crew

8.2

Food

6.7

Overall

7.7

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Icelandair
7.2
Good
555 reviews
Finnair
7.7
Good
1,300 reviews

Comfort

7.5

Entertainment

6.9

Boarding

7.7

Crew

8.2

Food

6.7

Overall

7.7

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

British Airways
6.7
Okay
6,837 reviews
Finnair
7.7
Good
1,300 reviews

Comfort

7.5

Entertainment

6.9

Boarding

7.7

Crew

8.2

Food

6.7

Overall

7.7

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Related info for your journey

Find useful and relevant information for your journey from Keflavik Intl 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 Reykjavik Keflavik Intl?

    For a flight from Reykjavik Keflavik Intl to Denver, you will be flying into Denver Intl. Denver Intl (DEN) is just 18.5 mi from the center of the city. Denver Intl is the only Denver airport and it handles 0 inbound flights from Reykjavik Keflavik Intl per day. 1 airline has flights to Denver Intl from Reykjavik Keflavik Intl on a regular basis.

  • What are the cheapest airlines flying from Reykjavik Keflavik Intl Airport to Denver round-trip?

    Cheapflights users have booked flights from Reykjavik Keflavik Intl Airport to Denver round-trip from $559. Other airlines that can offer you cheap pricing are Scandinavian Airlines, from $575, and British Airways, from $892.

  • What are the cheapest flights from Reykjavik Keflavik Intl Airport to Denver?

    Looking for the cheapest flight from Reykjavik Keflavik Intl Airport to Denver? While on average our users pay $721, our data indicates the cheapest price to be $407. The most popular route (Reykjavik Keflavik Intl - Denver Intl), is priced around $559.

  • Can I find deals for flights from Keflavik Intl to Denver that include hotel bookings?

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

  • How can I find direct flights from Keflavik Intl to Denver?

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

  • Can I find deals for business class flights from Keflavik Intl to Denver?

    Yes. Cheapflights offers flight deals from Keflavik Intl 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 Reykjavik Keflavik Intl Airport to Denver?

    Currently, October is the cheapest month in which you can book a flight from Reykjavik Keflavik Intl Airport to Denver (average of $197). Flying from Reykjavik Keflavik Intl Airport to Denver in March is currently the most expensive (average of $270). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Keflavik Intl to Denver

Discover the top airline that operate flights from Keflavik Intl 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 2,629,791 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$543Average$693FlexibilityNo cancel feeOn-time76%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines