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Keflavik Intl

$339+ Cheap flights from Breckenridge, CO 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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — KEF
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheapflights Tip: The best prices from Breckenridge to Reykjavik Keflavik Intl are usually found in October or November, booked 20 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from Breckenridge to Keflavik Intl

Cheapest flights from Breckenridge to Keflavik Intl
Explore the most affordable flight options available from Breckenridge to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This CrystalTravel deal was found by Cheapflights users on 12/10. 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.
Tue 12/303:40 pmDEN - KEF
Nonstop7h 25mIcelandair
Tue 1/134:55 pmKEF - DEN
Nonstop8h 10mIcelandair
Deal found 12/10$611
This Kiwi.com deal was found by Cheapflights users on 12/9. 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 12/153:40 pmDEN - KEF
Nonstop7h 25mIcelandair
Sat 12/274:55 pmKEF - DEN
Nonstop8h 10mIcelandair
Deal found 12/9$629
This FlightHub deal was found by Cheapflights users on 12/10. 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.
Tue 12/305:35 pmDEN - KEF
2 stops60h 45mMultiple Airlines
Tue 1/133:20 pmKEF - DEN
2 stops35h 35mMultiple Airlines
Deal found 12/10$639
This Kiwi.com deal was found by Cheapflights users on 12/9. 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.
Tue 12/163:40 pmDEN - KEF
Nonstop7h 25mIcelandair
Fri 12/264:55 pmKEF - DEN
Nonstop8h 10mIcelandair
Deal found 12/9$701
This FlightHub deal was found by Cheapflights users on 12/10. 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.
Wed 12/104:20 pmDEN - KEF
1 stop14h 55mMultiple Airlines
Sat 12/132:20 pmKEF - DEN
2 stops38h 36mMultiple Airlines
Deal found 12/10$759
This FlightHub deal was found by Cheapflights users on 12/10. 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.
Tue 12/308:20 pmDEN - KEF
1 stop34h 55mLufthansa
Tue 1/133:20 pmKEF - DEN
1 stop29h 20mLufthansa
Deal found 12/10$762
This Cheapflightsfares deal was found by Cheapflights users on 12/10. 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 12/103:40 pmDEN - KEF
Nonstop7h 25mIcelandair
Sun 12/149:55 amKEF - DEN
1 stop20h 04mIcelandair
Deal found 12/10$771
This Ovago deal was found by Cheapflights users on 12/10. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/104:20 pmDEN - KEF
1 stop14h 55mLufthansa
Sun 12/143:20 pmKEF - DEN
1 stop31h 40mLufthansa
Deal found 12/10$785
This FlightHub deal was found by Cheapflights users on 12/10. 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.
Wed 12/104:20 pmDEN - KEF
1 stop14h 55mLufthansa
Sat 12/133:10 pmKEF - DEN
1 stop34h 45mLufthansa
Deal found 12/10$871
This FlightHub deal was found by Cheapflights users on 12/10. 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.
Wed 12/103:40 pmDEN - KEF
Nonstop7h 25mMultiple Airlines
Fri 12/199:55 amKEF - DEN
1 stop13h 57mMultiple Airlines
Deal found 12/10$874

Find flight deals from Breckenridge to Keflavik Intl

Keep the following information in mind while searching for Breckenridge to Keflavik Intl flight deals. Data was last updated December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$512
(CrystalTravel)

One-way from

$339
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$1,005
Provider with most accurate pricing for Denver Intl-Reykjavik (REK) flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Reykjavik (REK) flights.
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From Breckenridge to Reykjavik Keflavik Intl
Search Deals
One-way flight from Breckenridge to Reykjavik Keflavik Intl
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($84 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Breckenridge 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 December 12, 2025.
Use the filters below to find and compare flights from Breckenridge to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Breckenridge

Fly to

Keflavik Intl

Route

Depart

Return

Price

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Thu 2/26

3:40 pm-6:05 am

Nonstop7h 25m

Reykjavik Keflavik Intl

Mon 3/2

5:00 pm-1:52 pm

1 stop27h 52m

$738

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Sat 1/10

11:35 am-6:05 am

2 stops35h 30m

Reykjavik Keflavik Intl

Sat 1/24

5:00 pm-12:45 pm

1 stop26h 45m

$738

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Fri 2/6

5:09 pm-6:15 am

1 stop30h 06m

Reykjavik Keflavik Intl

Tue 2/10

5:00 pm-11:35 pm

1 stop13h 35m

$798

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Wed 2/25

6:16 pm-6:15 am

1 stop28h 59m

Reykjavik Keflavik Intl

Sat 2/28

5:00 pm-11:59 pm

1 stop13h 59m

$798

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Sun 1/11

7:00 am-6:15 am

1 stop16h 15m

Reykjavik Keflavik Intl

Sun 1/18

5:00 pm-12:38 pm

1 stop26h 38m

$809

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Sun 2/1

7:00 am-6:15 am

1 stop16h 15m

Reykjavik Keflavik Intl

Sat 2/14

5:00 pm-6:56 pm

1 stop32h 56m

$824

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Sat 2/21

7:00 am-6:15 am

1 stop16h 15m

Reykjavik Keflavik Intl

Fri 2/27

5:00 pm-11:59 pm

1 stop13h 59m

$828

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Mon 2/23

7:00 am-6:15 am

1 stop16h 15m

Reykjavik Keflavik Intl

Fri 3/6

5:00 pm-6:56 pm

1 stop32h 56m

$838

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Sat 1/10

6:41 am-4:50 pm

2 stops27h 09m

Reykjavik Keflavik Intl

Sat 1/24

11:25 am-10:46 pm

2 stops42h 21m

$841

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Sat 2/21

7:52 pm-6:15 am

1 stop27h 23m

Reykjavik Keflavik Intl

Sun 3/1

5:00 pm-11:59 pm

1 stop13h 59m

$854

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 22 results
1
2
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Best time to book a flight from Breckenridge to Keflavik Intl

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

How far ahead should I book a flight from Breckenridge to Reykjavik Keflavik Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Breckenridge to Keflavik Intl. Price data was last updated on December 5, 2025.

The price you pay for your flight from Breckenridge to Reykjavik Keflavik Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 20 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, November is the cheapest month in which you can book a flight from Breckenridge to Reykjavik Keflavik Intl Airport (average of $372). Flying from Breckenridge to Reykjavik Keflavik Intl Airport in December is currently the most expensive (average of $576). 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 BK9 to KEF?

Find hourly flight availability from Breckenridge 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 December 12, 2025.

It’s optimal to fly from Breckenridge to Reykjavik Keflavik Intl Airport in the afternoon. By choosing this option you can save up to 47% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Breckenridge to Reykjavik Keflavik Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Breckenridge to Keflavik Intl. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Breckenridge to Reykjavik Keflavik Intl Airport flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 12, 2025.
See what other customers who have flown with Icelandair from Breckenridge to Reykjavik Keflavik Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Icelandair
7.0
Good
589 reviews

Crew

8.0

Food

6.2

Comfort

6.9

Entertainment

7.0

Boarding

7.2

Overall

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Nov 2025

AMS - KEF

We paid a total of 328.00 for specific seats and we were not assigned to any of the seats for which we paid.
Icelandair
7.0
Good
589 reviews
Icelandair
7.0
Good
589 reviews

Crew

8.0

Food

6.2

Comfort

6.9

Entertainment

7.0

Boarding

7.2

Overall

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Nov 2025

AMS - KEF

We paid a total of 328.00 for specific seats and we were not assigned to any of the seats for which we paid.

Related info for your journey

Find useful and relevant information for your journey from Breckenridge to Keflavik Intl. 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 Breckenridge to Reykjavik Keflavik Intl Airport?

    For as low as $798, Alaska Airlines can have you in Reykjavik Keflavik Intl Airport from Breckenridge in 30h 06m. Airlines will cover a distance of 3556 mi.

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

    The cheapest flight price from Breckenridge to Reykjavik Keflavik Intl Airport is $324. On average you can expect to pay $1,415. The most popular route, (Denver Intl - Reykjavik Keflavik Intl), can usually be booked for $511.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Breckenridge to Reykjavik Keflavik Intl Airport (average of $372). Flying from Breckenridge to Reykjavik Keflavik Intl Airport in December is currently the most expensive (average of $576). 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

Traveling to a place near Reykjavik Keflavik Intl Airport?

Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locations
Keflavik
Hveragerdi

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Alternative routes for Breckenridge to Keflavik Intl

See prices for flight routes from nearby airports that may be better suited for you.
Denver to Keflavik Intl flights
Colorado Springs to Keflavik Intl flights
Durango to Keflavik Intl flights

Top airline flying from Breckenridge to Keflavik Intl

Discover the top airline that operate flights from Breckenridge 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$425Average$625FlexibilityNo cancel feeOn-time76%

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