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$277+ 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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — DEN
Jan 21 — Jan 281
Tue 1/21
Tue 1/28
1 adult, Economy
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Cheap flight deals from Keflavik Intl to Colorado

Discover tips and strategies to find the most affordable flight options for your journey from Keflavik Intl (KEF) to Colorado (USCO). 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 16, 2025.

Round-trip from

$522
(Ticket)

One-way from

$277
(Kiwi.com)
From Reykjavik Keflavik Intl to Colorado
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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 January 16, 2025.

This Ticket deal was found by Cheapflights users on 1/16. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/134:55 pmKEF - DEN
Nonstop8h 10mIcelandair
Fri 2/213:40 pmDEN - KEF
Nonstop7h 25mIcelandair
Deal found 1/16$522
This Travelis deal was found by Cheapflights users on 1/16. 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/133:40 pmKEF - DEN
2 stops38h 22mScandinavian Airlines
Fri 2/216:50 amDEN - KEF
2 stops33h 30mScandinavian Airlines
Deal found 1/16$643
This Kiwi.com deal was found by Cheapflights users on 1/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/154:55 pmKEF - DEN
Nonstop8h 10mMultiple Airlines
Sat 2/223:16 pmDEN - KEF
2 stops30h 44mMultiple Airlines
Deal found 1/16$749
This Travelocity deal was found by Cheapflights users on 1/16. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/1511:50 amKEF - DEN
1 stop34h 35mBritish Airways
Sat 2/2212:32 pmDEN - KEF
2 stops39h 23mBritish Airways
Deal found 1/16$850
This American Airlines deal was found by Cheapflights users on 1/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1311:40 amKEF - DEN
2 stops42h 02mAmerican Airlines
Fri 2/212:20 pmDEN - KEF
2 stops43h 50mAmerican Airlines
Deal found 1/16$877

Find flights from Keflavik Intl to Colorado within your budget

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 January 16, 2025.

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Any airport

Route

Depart

Return

Price

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Thu 2/13

4:55 pm-6:05 pm

Nonstop8h 10m

Denver Intl

Fri 2/21

3:40 pm-6:05 am

Nonstop7h 25m

$522

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Thu 2/13

3:40 pm-11:02 pm

2 stops38h 22m

Denver Intl

Fri 2/21

6:50 am-11:20 pm

2 stops33h 30m

$643

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Sat 2/15

4:55 pm-6:05 pm

Nonstop8h 10m

Denver Intl

Sat 2/22

3:16 pm-5:00 am

2 stops30h 44m

$749

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Sat 2/15

11:50 am-3:25 pm

1 stop34h 35m

Denver Intl

Sat 2/22

12:32 pm-10:55 am

2 stops39h 23m

$850

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Thu 2/13

11:40 am-10:42 pm

2 stops42h 02m

Denver Intl

Fri 2/21

2:20 pm-5:10 pm

2 stops43h 50m

$877

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Sat 2/15

3:20 pm-11:39 pm

2 stops15h 19m

$277

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Sun 5/4

4:50 pm-6:55 pm

Nonstop8h 05m

$369

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Mon 7/14

9:50 am-11:27 am

1 stop31h 37m

$537

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Sun 3/23

11:40 am-4:25 pm

1 stop34h 45m

$613

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Fri 2/14

6:45 pm-3:25 pm

1 stop27h 40m

$614

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/16

Showing 1-10 of 14 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.

Travel insights for flights from Keflavik Intl to Colorado

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

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 January 16, 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 January 16, 2025.
Finnair
7.6
Good
1,285 reviews

Boarding

7.7

Food

6.7

Overall

7.6

Entertainment

6.9

Comfort

7.5

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

Food

6.7

Overall

7.6

Entertainment

6.9

Comfort

7.5

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
1,598 reviews
Finnair
7.6
Good
1,285 reviews

Boarding

7.7

Food

6.7

Overall

7.6

Entertainment

6.9

Comfort

7.5

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
8,965 reviews
Finnair
7.6
Good
1,285 reviews

Boarding

7.7

Food

6.7

Overall

7.6

Entertainment

6.9

Comfort

7.5

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
1,308 reviews
Finnair
7.6
Good
1,285 reviews

Boarding

7.7

Food

6.7

Overall

7.6

Entertainment

6.9

Comfort

7.5

Crew

8.1

Reviews

1 / 10

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

American Airlines
7.2
Good
10,000 reviews
Finnair
7.6
Good
1,285 reviews

Boarding

7.7

Food

6.7

Overall

7.6

Entertainment

6.9

Comfort

7.5

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 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 Icelandair. According to our data, you can fly for as low as $369. Users have also found prices from $537 and $613 on WestJet 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 $389. While the most popular route (Reykjavik Keflavik Intl - Denver Intl) can be booked for $449 on average our data indicates $553 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.

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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 January 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$543Average$658FlexibilityNo cancel feeOn-time76%
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