Keflavik Intl

$228+ 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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — KEF
Feb 27 — Mar 61
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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 February 22, 2025.

Round-trip from

$550
(Kiwi.com)

One-way from

$228
(Kiwi.com)

Good round-trip deal

$594 or less

Good one-way deal

$393 or less
From Colorado to Reykjavik Keflavik Intl
One-way flight from Colorado to Reykjavik Keflavik Intl
Price to beat on a round-trip flight from Colorado to Reykjavik Keflavik Intl.
Price to beat on a one-way flight from Colorado to Reykjavik Keflavik Intl.

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 February 22, 2025.

This CrystalTravel deal was found by Cheapflights users on 2/21. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/58:10 pmDEN - KEF
Nonstop7h 15mIcelandair
Tue 10/144:50 pmKEF - DEN
Nonstop8h 05mIcelandair
Deal found 2/21$549
This Finnair deal was found by Cheapflights users on 2/22. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/2712:31 pmDEN - KEF
2 stops38h 44mFinnair
Sun 4/65:15 pmKEF - DEN
2 stops35h 24mFinnair
Deal found 2/22$554
This Virgin Atlantic deal was found by Cheapflights users on 2/21. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/16:20 amDEN - KEF
1 stop21h 10mVirgin Atlantic
Tue 4/811:25 amKEF - DEN
1 stop14h 35mVirgin Atlantic
Deal found 2/21$573
This Kiwi.com deal was found by Cheapflights users on 2/21. 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.
Mon 4/76:00 amDEN - KEF
1 stop16h 55mMultiple Airlines
Mon 4/143:05 pmKEF - DEN
2 stops22h 29mMultiple Airlines
Deal found 2/21$575
This Delta deal was found by Cheapflights users on 2/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/26:20 amDEN - KEF
1 stop21h 10mDelta
Mon 4/711:25 amKEF - DEN
2 stops16h 13mDelta
Deal found 2/20$577
This KLM deal was found by Cheapflights users on 2/21. 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.
Mon 4/712:01 pmDEN - KEF
1 stop15h 29mKLM
Wed 4/1611:25 amKEF - DEN
1 stop14h 22mKLM
Deal found 2/21$598
This Justfly.com deal was found by Cheapflights users on 2/22. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/29:40 amDEN - KEF
1 stop16h 55mAir Canada
Tue 10/710:00 amKEF - DEN
2 stops30h 18mAir Canada
Deal found 2/22$626
This Aeromexico deal was found by Cheapflights users on 2/22. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/154:00 pmDEN - KEF
2 stops35h 30mAir France
Sat 4/2611:25 amKEF - DEN
1 stop14h 28mAir France
Deal found 2/22$669
This British Airways deal was found by Cheapflights users on 2/21. 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.
Sat 3/110:30 amDEN - KEF
2 stops23h 40mBritish Airways
Fri 3/76:45 pmKEF - DEN
2 stops30h 00mBritish Airways
Deal found 2/21$671
This Expedia deal was found by Cheapflights users on 2/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/15:40 pmDEN - KEF
1 stop23h 55mLufthansa
Mon 4/712:25 amKEF - DEN
1 stop21h 30mLufthansa
Deal found 2/21$730
This Gurufare deal was found by Cheapflights users on 2/21. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/171:34 pmDRO - KEF
2 stops28h 01mLufthansa
Sat 8/232:20 pmKEF - DRO
2 stops36h 20mLufthansa
Deal found 2/21$1,324
This United Airlines deal was found by Cheapflights users on 2/21. 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.
Sun 8/1712:00 pmDRO - KEF
2 stops14h 30mUnited Airlines
Sat 8/2311:00 amKEF - DRO
3 stops31h 25mUnited Airlines
Deal found 2/21$1,441

Find flights from Colorado to Keflavik Intl within your budget

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 February 22, 2025.

Fly from

Colorado

Fly to

Keflavik Intl

Route

Depart

Return

Price

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Thu 3/27

12:31 pm-9:15 am

2 stops38h 44m

Reykjavik Keflavik Intl

Sun 4/6

5:15 pm-10:39 pm

2 stops35h 24m

$554

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Mon 4/7

4:40 pm-6:00 am

Nonstop7h 20m

Reykjavik Keflavik Intl

Mon 4/14

4:50 pm-6:55 pm

Nonstop8h 05m

$557

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Tue 4/1

6:20 am-9:30 am

1 stop21h 10m

Reykjavik Keflavik Intl

Tue 4/8

11:25 am-8:00 pm

1 stop14h 35m

$573

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Mon 4/7

6:00 am-4:55 am

1 stop16h 55m

Reykjavik Keflavik Intl

Mon 4/14

3:05 pm-7:34 am

2 stops22h 29m

$575

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Wed 4/2

6:20 am-9:30 am

1 stop21h 10m

Reykjavik Keflavik Intl

Mon 4/7

11:25 am-9:38 pm

2 stops16h 13m

$577

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Mon 4/7

12:01 pm-9:30 am

1 stop15h 29m

Reykjavik Keflavik Intl

Wed 4/16

11:25 am-7:47 pm

1 stop14h 22m

$598

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Sun 8/3

5:40 pm-8:35 am

2 stops32h 55m

Reykjavik Keflavik Intl

Sun 8/24

10:00 am-8:43 am

2 stops28h 43m

$627

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Tue 4/15

4:00 pm-9:30 am

2 stops35h 30m

Reykjavik Keflavik Intl

Sat 4/26

11:25 am-7:53 pm

1 stop14h 28m

$669

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Sat 8/2

12:57 am-7:00 am

2 stops24h 03m

Reykjavik Keflavik Intl

Sun 8/24

12:00 pm-11:18 pm

1 stop17h 18m

$710

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Tue 4/1

5:40 pm-11:35 pm

1 stop23h 55m

Reykjavik Keflavik Intl

Mon 4/7

12:25 am-3:55 pm

1 stop21h 30m

$730

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

Showing 1-10 of 25 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.

Travel insights for flights from Colorado to Keflavik Intl

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

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 June is currently the most expensive (average of $657). 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 February 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 February 22, 2025.
Get a feel of what it's like to fly with Delta, Alaska Airlines 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.
8.0
Very good

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

8.0
Very good
8.0
Very good

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

8.0
Very good

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

8.0
Very good

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

8.0
Very good

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

8.0
Very good

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 ($389), Icelandair ($412), and Virgin Atlantic ($440).

  • What are the most popular routes 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 $1,424, our data indicates the cheapest price to be $288. The most popular route (Denver Intl - Reykjavik Keflavik Intl), is priced around $525.

  • 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 June is currently the most expensive (average of $657). 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 Colorado to Keflavik Intl

See prices for flight routes from nearby airports that may be better suited for you.

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 February 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$499Average$713FlexibilityNo cancel feeOn-time67%
IcelandairCheapest$547Average$671FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$592Average$840FlexibilityNo cancel feeOn-time69%
DeltaCheapest$646Average$782FlexibilityNo cancel feeOn-timeN/A
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