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$460+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — DEN
Mar 7 — Mar 141
Sat 3/7
Sat 3/14
1 adult, Economy
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Cheap 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 February 5, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 2/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/184:55 pm
KEF
-
DEN
Nonstop8h 10m
Icelandair
Tue 4/214:40 pm
DEN
-
KEF
Nonstop7h 20m
Icelandair
Deal found 2/2$462
This Gotogate deal was found by Cheapflights users on 2/3. 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.
Mon 3/24:55 pm
KEF
-
DEN
Nonstop8h 10m
Icelandair
Tue 3/104:40 pm
DEN
-
KEF
Nonstop7h 25m
Icelandair
Deal found 2/3$537
This Gotogate deal was found by Cheapflights users on 2/4. 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.
Fri 6/124:50 pm
KEF
-
DEN
Nonstop8h 10m
Icelandair
Mon 6/228:10 pm
DEN
-
KEF
Nonstop7h 15m
Icelandair
Deal found 2/4$616
This Gurufare deal was found by Cheapflights users on 2/2. 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.
Wed 3/189:55 am
KEF
-
DEN
2 stops19h 04m
Multiple Airlines
Tue 4/214:40 pm
DEN
-
KEF
Nonstop7h 20m
Multiple Airlines
Deal found 2/2$634
This Priceline deal was found by Cheapflights users on 2/2. 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.
Thu 3/195:00 pm
KEF
-
DEN
1 stop25h 40m
Multiple Airlines
Thu 3/264:40 pm
DEN
-
KEF
Nonstop7h 25m
Multiple Airlines
Deal found 2/2$713
This Mytrip deal was found by Cheapflights users on 2/4. 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.
Fri 6/124:45 pm
KEF
-
DEN
1 stop22h 47m
Multiple Airlines
Mon 6/224:40 pm
DEN
-
KEF
Nonstop7h 20m
Multiple Airlines
Deal found 2/4$789

Find 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 February 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$462
(Cheapflightsfares)

One-way from

$460
(Kiwi.com)

Good one-way deal

$483 or less
Provider with most accurate pricing for Reykjavik (REK)-Denver Intl flight deals.
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Provider most trusted by Cheapflights users for Reykjavik (REK)-Denver Intl flights.
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From Reykjavik Keflavik Intl to Colorado
Search Deals
One-way 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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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 February 5, 2026.
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

Wed 3/18

4:55 pm-7:05 pm

Nonstop8h 10m

Denver Intl

Tue 4/21

4:40 pm-6:00 am

Nonstop7h 20m

$462

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Mon 3/2

4:55 pm-6:05 pm

Nonstop8h 10m

Denver Intl

Tue 3/10

4:40 pm-6:05 am

Nonstop7h 25m

$537

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Fri 6/12

4:50 pm-7:00 pm

Nonstop8h 10m

Denver Intl

Mon 6/22

8:10 pm-9:25 am

Nonstop7h 15m

$616

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Wed 3/18

9:55 am-9:43 pm

1 stop17h 48m

Denver Intl

Tue 4/21

4:40 pm-6:00 am

Nonstop7h 20m

$627

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Thu 3/19

5:00 pm-12:40 pm

1 stop25h 40m

Denver Intl

Thu 3/26

4:40 pm-6:05 am

Nonstop7h 25m

$713

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Fri 6/12

4:45 pm-9:32 am

1 stop22h 47m

Denver Intl

Mon 6/22

4:40 pm-6:00 am

Nonstop7h 20m

$789

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Tue 5/12

5:00 pm-1:32 pm

2 stops26h 32m

$460

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Wed 4/1

4:50 pm-7:00 pm

Nonstop8h 10m

$480

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Sun 4/5

4:50 pm-7:00 pm

Nonstop8h 10m

$480

ReykjavikDenver

KEF - DEN

KEFDEN

Reykjavik Keflavik Intl

Sun 6/7

10:45 am-12:40 pm

Nonstop7h 55m

$490

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 15 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 February 5, 2026.

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.

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.

  • How long is the flight from Reykjavik Keflavik Intl Airport to Colorado?

    Departing from Reykjavik Keflavik Intl Airport to Colorado will take you 8h 10m. There are 3556 mi between Reykjavik Keflavik Intl Airport and Colorado. All flights are typically nonstop.

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

    Looking at all options, your cheapest flight can be booked for $482. While the most popular route (Reykjavik Keflavik Intl - Denver Intl) can be booked for $616 on average, our data indicates $483 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.

See more FAQs

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