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Keflavik Intl

$225+ Cheap flights from Colorado to Keflavik Intl (KEF)

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 7/30. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — KEF
abr. 27 — may. 41
dom. 4/27
dom. 5/4
1 adult, Economy
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Cheap flight deals from Colorado to Keflavik Intl

Keep the following information in mind while searching for Colorado to Keflavik Intl flight deals. Data was last updated abril 22, 2025.

Round-trip from

$564
(WestJet)

One-way from

$225
(Kiwi.com)

Good round-trip deal

$576 or less

Good one-way deal

$297 or less
From Colorado to Reykjavik Keflavik Intl
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One-way flight from Colorado to Reykjavik Keflavik Intl
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Price to beat on a round-trip flight from Colorado to Reykjavik Keflavik Intl.
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Price to beat on a one-way flight from Colorado to Reykjavik Keflavik Intl.
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Find flight deals from Colorado to Keflavik Intl

Cheapest flights from Colorado to Keflavik Intl
Explore the most affordable flight options available from Colorado to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 22, 2025.

This WestJet deal was found by Cheapflights users on 4/22. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/107:40 pmDEN - KEF
1 stop30h 35mWestJet
vie. 7/189:35 amKEF - DEN
1 stop15h 17mWestJet
Deal found 4/22$564
This Mytrip deal was found by Cheapflights users on 4/21. 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.
vie. 6/204:40 pmDEN - KEF
Nonstop7h 20mIcelandair
mié. 6/2510:35 amKEF - DEN
Nonstop7h 55mIcelandair
Deal found 4/21$570
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
mié. 7/26:38 amDEN - KEF
1 stop16h 17mMultiple Airlines
mar. 7/89:35 amKEF - DEN
1 stop31h 52mMultiple Airlines
Deal found 4/21$575
This United Airlines deal was found by Cheapflights users on 4/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/157:00 pmDEN - KEF
1 stop31h 30mUnited Airlines
sáb. 8/239:30 amKEF - DEN
1 stop30h 51mUnited Airlines
Deal found 4/20$618
This Air Canada deal was found by Cheapflights users on 4/22. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/37:45 amDEN - KEF
1 stop18h 30mAir Canada
dom. 8/249:50 amKEF - DEN
2 stops28h 52mAir Canada
Deal found 4/22$638
This American Airlines deal was found by Cheapflights users on 4/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/296:30 pmDEN - KEF
1 stop34h 25mAmerican Airlines
mié. 11/511:45 amKEF - DEN
1 stop34h 40mAmerican Airlines
Deal found 4/22$642
This Delta deal was found by Cheapflights users on 4/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/166:45 amDEN - KEF
1 stop17h 35mDelta
mié. 10/228:45 amKEF - DEN
1 stop18h 55mDelta
Deal found 4/22$662
This Virgin Atlantic deal was found by Cheapflights users on 4/20. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/1310:45 amDEN - KEF
2 stops16h 45mVirgin Atlantic
lun. 10/2011:25 amKEF - DEN
2 stops16h 15mVirgin Atlantic
Deal found 4/20$667
This British Airways deal was found by Cheapflights users on 4/21. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/25:30 pmDEN - KEF
1 stop34h 25mBritish Airways
lun. 11/1011:45 amKEF - DEN
1 stop34h 40mBritish Airways
Deal found 4/21$672
This KLM deal was found by Cheapflights users on 4/21. 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.
mar. 9/1610:30 amDEN - KEF
1 stop13h 50mKLM
sáb. 9/2711:25 amKEF - DEN
1 stop12h 57mKLM
Deal found 4/21$709
This FlightHub deal was found by Cheapflights users on 4/21. 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.
mar. 4/225:40 pmDEN - KEF
1 stop23h 55mLufthansa
lun. 4/2812:25 amKEF - DEN
1 stop21h 30mLufthansa
Deal found 4/21$730
This United Airlines deal was found by Cheapflights users on 4/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/86:07 pmDRO - KEF
2 stops32h 03mUnited Airlines
mar. 7/2212:00 pmKEF - DRO
2 stops14h 39mUnited Airlines
Deal found 4/21$999

Cheapflights Fare Finder

Customize your flight search to find flights from Colorado to Keflavik Intl 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 abril 22, 2025.
Use the filters below to find and compare flights from Colorado to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Colorado

Fly to

Keflavik Intl

Route

Depart

Return

Price

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

jue. 7/10

7:40 pm-8:15 am

1 stop30h 35m

Reykjavik Keflavik Intl

vie. 7/18

9:35 am-6:52 pm

1 stop15h 17m

$564

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

vie. 6/20

4:40 pm-6:00 am

Nonstop7h 20m

Reykjavik Keflavik Intl

mié. 6/25

10:35 am-12:30 pm

Nonstop7h 55m

$570

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

mié. 7/2

6:38 am-4:55 am

1 stop16h 17m

Reykjavik Keflavik Intl

mar. 7/8

9:35 am-11:27 am

1 stop31h 52m

$575

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

vie. 8/15

7:00 pm-8:30 am

1 stop31h 30m

Reykjavik Keflavik Intl

sáb. 8/23

9:30 am-10:21 am

1 stop30h 51m

$618

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

dom. 8/3

7:45 am-8:15 am

1 stop18h 30m

Reykjavik Keflavik Intl

dom. 8/24

9:50 am-8:42 am

2 stops28h 52m

$638

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

jue. 10/16

6:45 am-6:20 am

1 stop17h 35m

Reykjavik Keflavik Intl

mié. 10/22

8:45 am-9:40 pm

1 stop18h 55m

$662

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

mar. 9/16

10:30 am-6:20 am

1 stop13h 50m

Reykjavik Keflavik Intl

sáb. 9/27

11:25 am-6:22 pm

1 stop12h 57m

$709

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

dom. 10/12

5:59 pm-11:35 pm

1 stop23h 36m

Reykjavik Keflavik Intl

sáb. 10/18

1:15 am-7:28 pm

2 stops48h 13m

$722

DurangoReykjavik

DRO - KEF

DROKEF

Durango La Plata County

mar. 7/8

6:07 pm-8:10 am

2 stops32h 03m

Reykjavik Keflavik Intl

mar. 7/22

12:00 pm-8:39 pm

2 stops14h 39m

$999

DurangoReykjavik

DRO - KEF

DROKEF

Durango La Plata County

mar. 7/8

1:30 pm-8:30 am

2 stops13h 00m

Reykjavik Keflavik Intl

lun. 7/21

12:25 am-8:39 pm

2 stops26h 14m

$1,407

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Showing 1-10 of 21 results
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Best time to book a flight from Colorado to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl 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 Reykjavik Keflavik Intl Airport

What is the cheapest month to book a flight from Colorado to Reykjavik Keflavik Intl Airport?

Currently, November is the cheapest month in which you can book a flight from Colorado to Reykjavik Keflavik Intl Airport (average of $328). Flying from Colorado to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of $651). 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 KEF?

Find hourly flight availability from Colorado to Keflavik Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated abril 22, 2025.

When flying from Colorado to Reykjavik Keflavik Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Keflavik Intl by month

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

In terms of precipitation, rainfall in Reykjavik Keflavik Intl Airport ranges from 1.6 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. May is typically the driest time to visit Reykjavik Keflavik Intl Airport when rainfall is around 1.6 in.

Temperature in Keflavik Intl by month

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

If weather is an important factor for your trip to Reykjavik Keflavik Intl Airport, 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 51.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing Keflavik Intl

Get insights into the airlines that provide service to Keflavik Intl. 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 Keflavik Intl. Reviews last updated abril 22, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta and KLM from Colorado to Reykjavik by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,906 reviews

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,906 reviews
Alaska Airlines
8.0
Very good
9,906 reviews

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,920 reviews
Alaska Airlines
8.0
Very good
9,906 reviews

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
KLM
7.8
Good
1,331 reviews
Alaska Airlines
8.0
Very good
9,906 reviews

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Air France
7.4
Good
1,441 reviews
Alaska Airlines
8.0
Very good
9,906 reviews

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,683 reviews
Alaska Airlines
8.0
Very good
9,906 reviews

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

Find useful and relevant information for your journey from Colorado to Keflavik Intl. 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 Colorado to Reykjavik Keflavik Intl Airport one-way?

    The cheapest airlines for a one-way flight from Colorado to Reykjavik Keflavik Intl Airport are WestJet ($247), Icelandair ($421), and Air Canada ($449).

  • What are the most popular routes from Colorado to Reykjavik Keflavik Intl Airport?

    While some choose either Colorado Springs - Reykjavik Keflavik Intl or Durango La Plata County - Reykjavik Keflavik Intl, Denver Intl - Reykjavik Keflavik Intl is the most popular route from Colorado to Reykjavik Keflavik Intl Airport.

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

    Looking for the cheapest flight from Colorado to Reykjavik Keflavik Intl Airport? While on average our users pay $1,287, our data indicates the cheapest price to be $211. The most popular route (Denver Intl - Reykjavik Keflavik Intl), is priced around $508.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Colorado to Reykjavik Keflavik Intl Airport (average of $328). Flying from Colorado to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of $651). 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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Top 4 airlines flying from Colorado to Keflavik Intl

Discover the top 4 airlines that operate flights from Colorado to Keflavik Intl. 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 abril 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$499Average$713FlexibilityNo cancel feeOn-time67%
IcelandairCheapest$539Average$656FlexibilityNo cancel feeOn-time76%
DeltaCheapest$542Average$720FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$661Average$975FlexibilityNo cancel feeOn-time69%

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