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$362+ Cheap flights from Keflavik Intl (KEF) 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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — DEN
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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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 January 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$580
(Mytrip)

One-way from

$362
(Trip.com)

Popular in

March

Cheapest in

November

Average price

$585
Provider with most accurate pricing for Reykjavik Keflavik Intl-Denver Intl flight deals.
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Provider most trusted by Cheapflights users for Reykjavik Keflavik Intl-Denver Intl flights.
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From Reykjavik Keflavik Intl to Denver Intl
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One-way flight from Reykjavik Keflavik Intl to Denver Intl
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High demand for flights, 15% potential price rise
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Best time to find cheap flights, 6% potential price drop
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Average for round-trip flights in January 2025
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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 January 21, 2025.

This Mytrip deal was found by Cheapflights users on 1/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/174:55 pmKEF - DEN
Nonstop8h 10mIcelandair
Mon 2/243:40 pmDEN - KEF
Nonstop7h 25mIcelandair
Deal found 1/20$580
This FlightHub deal was found by Cheapflights users on 1/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/173:40 pmKEF - DEN
2 stops38h 20mScandinavian Airlines
Mon 2/246:50 amDEN - KEF
2 stops49h 35mScandinavian Airlines
Deal found 1/20$641
This Kiwi.com deal was found by Cheapflights users on 1/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/174:55 pmKEF - DEN
Nonstop8h 10mMultiple Airlines
Mon 2/246:50 amDEN - KEF
1 stop15h 10mMultiple Airlines
Deal found 1/20$719
This Expedia deal was found by Cheapflights users on 1/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/1711:45 amKEF - DEN
1 stop34h 40mBritish Airways
Mon 2/245:30 pmDEN - KEF
1 stop34h 20mBritish Airways
Deal found 1/20$806
This Finnair deal was found by Cheapflights users on 1/20. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/1610:00 amKEF - DEN
2 stops36h 25mFinnair
Tue 2/255:30 pmDEN - KEF
2 stops32h 45mFinnair
Deal found 1/20$917
This American Airlines deal was found by Cheapflights users on 1/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/1611:40 amKEF - DEN
1 stop34h 45mAmerican Airlines
Tue 2/253:30 pmDEN - KEF
2 stops60h 25mAmerican Airlines
Deal found 1/20$1,691

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 2,558,603 searches. Data last updated January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Mon 2/17

4:55 pm-6:05 pm

Nonstop8h 10m

Denver Intl

Mon 2/24

3:40 pm-6:05 am

Nonstop7h 25m

$580

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Mon 2/17

3:40 pm-11:00 pm

2 stops38h 20m

Denver Intl

Mon 2/24

6:50 am-3:25 pm

2 stops49h 35m

$641

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Mon 2/17

4:55 pm-6:05 pm

Nonstop8h 10m

Denver Intl

Mon 2/24

6:50 am-5:00 am

1 stop15h 10m

$719

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Mon 2/17

11:45 am-3:25 pm

1 stop34h 40m

Denver Intl

Mon 2/24

5:30 pm-10:50 am

1 stop34h 20m

$806

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Sun 2/16

10:00 am-3:25 pm

2 stops36h 25m

Denver Intl

Tue 2/25

5:30 pm-9:15 am

2 stops32h 45m

$917

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Sun 2/16

11:40 am-3:25 pm

1 stop34h 45m

Denver Intl

Tue 2/25

3:30 pm-10:55 am

2 stops60h 25m

$1,691

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Fri 2/28

3:20 pm-7:28 am

2 stops23h 08m

$362

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Fri 2/28

4:55 pm-6:05 pm

Nonstop8h 10m

$375

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Mon 7/14

9:35 am-11:27 am

1 stop31h 52m

$473

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Mon 2/17

11:45 am-3:25 pm

1 stop34h 40m

$614

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 16 results
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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 January.
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 January 21, 2025.

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 27% 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 January 21, 2025.
Finnair
7.6
Good
1,285 reviews

Boarding

7.7

Entertainment

6.9

Comfort

7.5

Overall

7.6

Food

6.7

Crew

8.1

Reviews

1 / 10

Seats were small, but comfortable enough. It was only a smaller plane for the short flight to Tromsö.

Finnair
7.6
Good
1,285 reviews
Finnair
7.6
Good
1,285 reviews

Boarding

7.7

Entertainment

6.9

Comfort

7.5

Overall

7.6

Food

6.7

Crew

8.1

Reviews

1 / 10

Seats were small, but comfortable enough. It was only a smaller plane for the short flight to Tromsö.

Austrian Airlines
7.6
Good
786 reviews
Finnair
7.6
Good
1,285 reviews

Boarding

7.7

Entertainment

6.9

Comfort

7.5

Overall

7.6

Food

6.7

Crew

8.1

Reviews

1 / 10

Seats were small, but comfortable enough. It was only a smaller plane for the short flight to Tromsö.

SWISS
7.5
Good
1,600 reviews
Finnair
7.6
Good
1,285 reviews

Boarding

7.7

Entertainment

6.9

Comfort

7.5

Overall

7.6

Food

6.7

Crew

8.1

Reviews

1 / 10

Seats were small, but comfortable enough. It was only a smaller plane for the short flight to Tromsö.

United Airlines
7.4
Good
8,982 reviews
Finnair
7.6
Good
1,285 reviews

Boarding

7.7

Entertainment

6.9

Comfort

7.5

Overall

7.6

Food

6.7

Crew

8.1

Reviews

1 / 10

Seats were small, but comfortable enough. It was only a smaller plane for the short flight to Tromsö.

Scandinavian Airlines
7.3
Good
1,320 reviews
Finnair
7.6
Good
1,285 reviews

Boarding

7.7

Entertainment

6.9

Comfort

7.5

Overall

7.6

Food

6.7

Crew

8.1

Reviews

1 / 10

Seats were small, but comfortable enough. It was only a smaller plane for the short flight to Tromsö.

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 $580. Other airlines that can offer you cheap pricing are Scandinavian Airlines, from $641, and British Airways, from $806. Icelandair is priced at 17% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Reykjavik Keflavik Intl Airport to Denver one-way?

    The cheapest airline one-way is Icelandair, with whom users have recently found tickets for as low as $375. However, be on the lookout for offers from WestJet and British Airways, as they are both options that can get you from Reykjavik Keflavik Intl Airport to Denver for a low price.

  • 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 $555, our data indicates the cheapest price to be $388. The most popular route (Reykjavik Keflavik Intl - Denver Intl), is priced around $528.

  • 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 $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 Reykjavik Keflavik Intl Airport?

Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locations
Keystone
Westminster
Black Hawk
Winter Park
Dillon
Lakewood
Broomfield
Silverthorne
Golden
Brighton
Frisco
Wheat Ridge
Grand Lake
Idaho Springs
Greeley
Central City
Englewood
Copper Mountain
Longmont
Thornton

Browse thousands of different options on Cheapflights for your next trip

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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 2,558,603 searches. Data last updated January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$543Average$658FlexibilityNo cancel feeOn-time76%
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