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$230+ Cheap flights from Keflavik Intl (KEF) to Colorado

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 5/24. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — DEN
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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Cheap flight deals from Keflavik Intl to Colorado

Keep the following information in mind while searching for Keflavik Intl to Colorado flight deals. Data was last updated April 17, 2025.

Round-trip from

$608
(Gotogate)

One-way from

$230
(WestJet)

Good round-trip deal

$2,294 or less

Good one-way deal

$441 or less
From Reykjavik Keflavik Intl to Colorado
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One-way flight from Reykjavik Keflavik Intl to Colorado
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Price to beat on a round-trip flight from Reykjavik Keflavik Intl to Colorado.
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Price to beat on a one-way flight from Reykjavik Keflavik Intl to Colorado.
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Find flight deals from Keflavik Intl to Colorado

Cheapest flights from Keflavik Intl to Colorado
Explore the most affordable flight options available from Keflavik Intl to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

This Gotogate deal was found by Cheapflights users on 4/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/110:35 amKEF - DEN
Nonstop7h 55mIcelandair
Sun 6/88:10 pmDEN - KEF
Nonstop7h 15mIcelandair
Deal found 4/17$608
This Priceline deal was found by Cheapflights users on 4/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/15:35 pmKEF - DEN
2 stops34h 12mScandinavian Airlines
Sun 6/86:30 amDEN - KEF
2 stops35h 20mScandinavian Airlines
Deal found 4/17$931
This Mytrip deal was found by Cheapflights users on 4/16. 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.
Sun 6/110:35 amKEF - DEN
Nonstop7h 55mMultiple Airlines
Sun 6/812:15 pmDEN - KEF
2 stops34h 30mMultiple Airlines
Deal found 4/16$958
This Gurufare deal was found by Cheapflights users on 4/16. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/311:15 amKEF - DEN
1 stop18h 30mLufthansa
Sun 6/811:25 amDEN - KEF
1 stop15h 05mLufthansa
Deal found 4/16$1,394

Cheapflights Fare Finder

Customize your flight search to find flights from Keflavik Intl to Colorado 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 April 17, 2025.
Use the filters below to find and compare flights from Reykjavik Keflavik Intl Airport to Colorado that are best for you.

Fly from

Keflavik Intl

Fly to

Colorado

Route

Depart

Return

Price

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Sun 6/1

10:35 am-12:30 pm

Nonstop7h 55m

Denver Intl

Sun 6/8

8:10 pm-9:25 am

Nonstop7h 15m

$608

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Sun 6/1

5:35 pm-9:47 pm

2 stops34h 12m

Denver Intl

Sun 6/8

6:30 am-11:50 pm

2 stops35h 20m

$931

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Sun 6/1

10:35 am-12:30 pm

Nonstop7h 55m

Denver Intl

Sun 6/8

12:15 pm-4:45 am

2 stops34h 30m

$958

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Sat 5/31

1:15 am-1:45 pm

1 stop18h 30m

Denver Intl

Sun 6/8

11:25 am-8:30 am

1 stop15h 05m

$1,394

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Sat 5/24

9:35 am-11:27 am

1 stop31h 52m

$230

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Sat 5/24

9:35 am-9:51 pm

2 stops18h 16m

$293

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Mon 5/26

10:35 am-12:30 pm

Nonstop7h 55m

$452

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Fri 10/3

10:30 am-4:25 pm

1 stop35h 55m

$671

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Mon 7/14

8:45 am-10:27 pm

2 stops19h 42m

$691

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Fri 10/3

10:30 am-10:27 pm

2 stops41h 57m

$720

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 13 results
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Best time to book a flight from Keflavik Intl to Colorado

Have a flexible travel schedule? Discover the best time to fly to Colorado 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.

Cheapflights Insights

Everything you need to know about your flight from Reykjavik Keflavik Intl Airport to Colorado

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

Find hourly flight availability from Keflavik Intl to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Reykjavik Keflavik Intl Airport to Colorado as you normally would.

Rainfall in Colorado by month

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

In terms of precipitation, rainfall in Colorado 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 Colorado when rainfall is around 0.5 in.

Temperature in Colorado by month

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

If weather is an important factor for your trip to Colorado, 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 Colorado

Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated April 17, 2025.
Finnair
7.6
Good
1,269 reviews

Food

6.7

Comfort

7.4

Entertainment

6.9

Boarding

7.6

Overall

7.6

Crew

8.1

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight
Finnair
7.6
Good
1,269 reviews
Finnair
7.6
Good
1,269 reviews

Food

6.7

Comfort

7.4

Entertainment

6.9

Boarding

7.6

Overall

7.6

Crew

8.1

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight
Austrian Airlines
7.6
Good
775 reviews
Finnair
7.6
Good
1,269 reviews

Food

6.7

Comfort

7.4

Entertainment

6.9

Boarding

7.6

Overall

7.6

Crew

8.1

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight
United Airlines
7.4
Good
8,667 reviews
Finnair
7.6
Good
1,269 reviews

Food

6.7

Comfort

7.4

Entertainment

6.9

Boarding

7.6

Overall

7.6

Crew

8.1

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight
Scandinavian Airlines
7.3
Good
1,335 reviews
Finnair
7.6
Good
1,269 reviews

Food

6.7

Comfort

7.4

Entertainment

6.9

Boarding

7.6

Overall

7.6

Crew

8.1

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

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
7.6
Good
1,269 reviews

Food

6.7

Comfort

7.4

Entertainment

6.9

Boarding

7.6

Overall

7.6

Crew

8.1

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

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 Colorado. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as $230. Users have also found prices from $452 and $671 on Icelandair and American Airlines, respectively.

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

    Looking at all options, your cheapest flight can be booked for $414. While the most popular route (Reykjavik Keflavik Intl - Denver Intl) can be booked for $588 on average our data indicates $1,378 when flying from Reykjavik Keflavik Intl Airport to Colorado.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Keflavik Intl to Colorado 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 Colorado?

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

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Alternative routes for Keflavik Intl to Colorado

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Keflavik Intl to Colorado

Discover the top airline that operate flights from Keflavik Intl to Colorado. 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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$543Average$629FlexibilityNo cancel feeOn-time76%

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