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Iceland

$357+ Cheap flights from Colorado to Iceland

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 6/7. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — KEF
Feb 23 — Mar 21
Mon 2/23
Mon 3/2
1 adult, Economy
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Cheap flight deals from Colorado to Iceland

Cheapest flights from Colorado to Iceland
Explore the most affordable flight options available from Colorado to Iceland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 24, 2026.

This CrystalTravel deal was found by Cheapflights users on 1/22. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/24:40 pm
DEN
-
KEF
Nonstop7h 20m
Icelandair
Thu 4/94:50 pm
KEF
-
DEN
Nonstop8h 10m
Icelandair
Deal found 1/22$429
This Mytrip deal was found by Cheapflights users on 1/22. 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 3/94:40 pm
DEN
-
KEF
Nonstop7h 25m
Icelandair
Mon 3/164:55 pm
KEF
-
DEN
Nonstop8h 10m
Icelandair
Deal found 1/22$434
This Cheapflightsfares deal was found by Cheapflights users on 1/22. 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.
Mon 2/233:40 pm
DEN
-
KEF
Nonstop7h 25m
Icelandair
Mon 3/24:55 pm
KEF
-
DEN
Nonstop8h 10m
Icelandair
Deal found 1/22$436
This Icelandair deal was found by Cheapflights users on 1/22. 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.
Thu 4/94:40 pm
DEN
-
KEF
Nonstop7h 20m
Icelandair
Mon 4/134:50 pm
KEF
-
DEN
Nonstop8h 10m
Icelandair
Deal found 1/22$449
This Cheapflightsfares deal was found by Cheapflights users on 1/22. 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 5/64:40 pm
DEN
-
KEF
Nonstop7h 20m
Icelandair
Wed 5/204:50 pm
KEF
-
DEN
Nonstop8h 10m
Icelandair
Deal found 1/22$450
This oojo deal was found by Cheapflights users on 1/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/104:40 pm
DEN
-
KEF
Nonstop7h 20m
Icelandair
Sun 5/174:50 pm
KEF
-
DEN
Nonstop8h 10m
Icelandair
Deal found 1/23$451
This Expedia deal was found by Cheapflights users on 1/22. 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.
Tue 5/124:40 pm
DEN
-
KEF
Nonstop7h 20m
Icelandair
Sun 5/244:50 pm
KEF
-
DEN
Nonstop8h 10m
Icelandair
Deal found 1/22$464
This KLM deal was found by Cheapflights users on 1/22. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/86:20 am
COS
-
KEF
2 stops21h 10m
KLM
Wed 4/1511:25 am
KEF
-
COS
2 stops38h 54m
KLM
Deal found 1/22$495
This CrystalTravel deal was found by Cheapflights users on 1/22. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/74:40 pm
DEN
-
KEF
Nonstop7h 20m
Icelandair
Fri 5/154:50 pm
KEF
-
DEN
Nonstop8h 10m
Icelandair
Deal found 1/22$516
This Cheapflightsfares deal was found by Cheapflights users on 1/22. 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.
Thu 5/218:10 pm
DEN
-
KEF
Nonstop7h 15m
Icelandair
Sat 5/3010:30 am
KEF
-
DEN
Nonstop7h 55m
Icelandair
Deal found 1/22$518
This Cheapflightsfares deal was found by Cheapflights users on 1/22. 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.
Thu 3/264:40 pm
DEN
-
KEF
Nonstop7h 25m
Icelandair
Sun 4/54:50 pm
KEF
-
DEN
Nonstop8h 10m
Icelandair
Deal found 1/22$525
This Cheapflightsfares deal was found by Cheapflights users on 1/22. 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.
Sat 5/94:40 pm
DEN
-
KEF
Nonstop7h 20m
Icelandair
Wed 5/204:50 pm
KEF
-
DEN
Nonstop8h 10m
Icelandair
Deal found 1/22$526

Find flight deals from Colorado to Iceland

Keep the following information in mind while searching for Colorado to Iceland flight deals. Data was last updated January 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$429
(CrystalTravel)

One-way from

$357
(oojo)

Popular in

March

Cheapest in

February

Average price

$630

Good round-trip deal

$473 or less

Good one-way deal

$313 or less
Provider with most accurate pricing for Denver Intl-Reykjavik (REK) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Reykjavik (REK) flights.
Search Deals
From Colorado to Iceland
Search Deals
One-way flight from Colorado to Iceland
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Colorado to Iceland.
Search Deals
Price to beat on a one-way flight from Colorado to Iceland.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado to Iceland 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 24, 2026.
Use the filters below to find and compare flights from Colorado to Iceland that are best for you.

Fly from

Colorado

Fly to

Iceland

Route

Depart

Return

Price

Colorado SpringsReykjavik

COS - KEF

COSKEF

Colorado Springs

Wed 4/8

6:20 am-9:30 am

2 stops21h 10m

Reykjavik Keflavik Intl

Wed 4/15

11:25 am-8:19 pm

2 stops38h 54m

$495

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Tue 4/28

11:59 pm-9:30 am

1 stop27h 31m

Reykjavik Keflavik Intl

Sat 5/9

11:25 am-11:51 pm

2 stops18h 26m

$616

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Sun 5/10

6:30 am-9:30 am

1 stop21h 00m

Reykjavik Keflavik Intl

Sun 5/17

9:30 am-10:29 pm

1 stop18h 59m

$634

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Mon 5/11

11:15 am-6:20 am

2 stops13h 05m

Reykjavik Keflavik Intl

Mon 5/18

9:30 am-3:31 pm

1 stop12h 01m

$638

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Fri 5/15

12:20 pm-9:30 am

1 stop15h 10m

Reykjavik Keflavik Intl

Mon 5/25

9:30 am-10:29 pm

1 stop18h 59m

$664

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Mon 5/18

6:30 am-9:30 am

1 stop21h 00m

Reykjavik Keflavik Intl

Mon 5/25

8:50 am-5:31 pm

1 stop14h 41m

$664

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Sat 5/16

11:15 am-6:20 am

2 stops13h 05m

Reykjavik Keflavik Intl

Mon 5/25

8:50 am-11:51 pm

2 stops21h 01m

$668

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Mon 5/18

6:10 am-6:20 am

2 stops18h 10m

Reykjavik Keflavik Intl

Mon 5/25

8:50 am-10:18 pm

2 stops19h 28m

$668

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Fri 5/15

5:40 am-9:30 am

2 stops21h 50m

Reykjavik Keflavik Intl

Thu 5/21

11:25 am-6:34 pm

1 stop13h 09m

$721

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Sun 5/10

8:23 pm-8:30 am

2 stops54h 07m

Reykjavik Keflavik Intl

Sun 5/17

12:00 pm-12:44 am

2 stops42h 44m

$724

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/22

Showing 1-10 of 22 results
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Best time to book a flight from Colorado to Iceland

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

What is the cheapest month to book a flight from Colorado to Iceland?

Currently, November is the cheapest month in which you can book a flight from Colorado to Iceland (average of $372). Flying from Colorado to Iceland in March is currently the most expensive (average of $563). 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.

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

Find hourly flight availability from Colorado to Iceland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 24, 2026.

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

Related info for your journey

Find useful and relevant information for your journey from Colorado to Iceland. 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 Colorado to Iceland?

    KLM and Delta can get you from Colorado to Iceland in just under 15h 10m. Your travel time can differ by up to 6h. The distance between Colorado and Iceland is about 3556 mi. This flight may include one or multiple stops.

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

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

  • How can I find direct flights from Colorado to Iceland?

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

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

    Yes. Cheapflights offers flight deals from Colorado to Iceland 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 Colorado to Iceland?

    Currently, November is the cheapest month in which you can book a flight from Colorado to Iceland (average of $372). Flying from Colorado to Iceland in March is currently the most expensive (average of $563). 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 Colorado to Iceland

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

Discover the top airline that operate flights from Colorado to Iceland. 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 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$419Average$616FlexibilityNo cancel feeOn-time76%

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