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Keflavik Intl

$334+ 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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — KEF
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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 September 11, 2025.

Round-trip from

$485
(CrystalTravel)

One-way from

$334
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$647
From Breckenridge to Reykjavik Keflavik Intl
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One-way flight from Breckenridge to Reykjavik Keflavik Intl
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Highest demand for flights based on searches. 5% potential increase in price ($39 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 11, 2025.

This CrystalTravel deal was found by Cheapflights users on 9/11. 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 11/23:40 pmDEN - KEF
Nonstop7h 25mIcelandair
Thu 11/64:55 pmKEF - DEN
Nonstop8h 10mIcelandair
Deal found 9/11$434
This FlightHub deal was found by Cheapflights users on 9/11. 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 11/113:40 pmDEN - KEF
Nonstop7h 25mIcelandair
Sat 11/224:55 pmKEF - DEN
Nonstop8h 10mIcelandair
Deal found 9/11$437
This Icelandair deal was found by Cheapflights users on 9/11. 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.
Sun 11/93:40 pmDEN - KEF
Nonstop7h 25mIcelandair
Sat 11/224:55 pmKEF - DEN
Nonstop8h 10mIcelandair
Deal found 9/11$449
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 9/156:00 amDEN - KEF
2 stops40h 55mMultiple Airlines
Tue 9/233:05 pmKEF - DEN
1 stop23h 53mMultiple Airlines
Deal found 9/8$471
This CrystalTravel deal was found by Cheapflights users on 9/9. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/83:40 pmDEN - KEF
Nonstop7h 25mIcelandair
Tue 11/184:55 pmKEF - DEN
Nonstop8h 10mIcelandair
Deal found 9/9$485
This Gotogate deal was found by Cheapflights users on 9/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/53:40 pmDEN - KEF
Nonstop7h 25mIcelandair
Wed 11/194:55 pmKEF - DEN
Nonstop8h 10mIcelandair
Deal found 9/10$489
This FlightHub deal was found by Cheapflights users on 9/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/83:40 pmDEN - KEF
Nonstop7h 25mIcelandair
Wed 11/194:55 pmKEF - DEN
Nonstop8h 10mIcelandair
Deal found 9/9$490
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/75:51 pmDEN - KEF
2 stops29h 04mMultiple Airlines
Tue 10/143:05 pmKEF - DEN
1 stop24h 03mMultiple Airlines
Deal found 9/10$491
This Gotogate deal was found by Cheapflights users on 9/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/73:40 pmDEN - KEF
Nonstop7h 25mIcelandair
Thu 11/134:55 pmKEF - DEN
Nonstop8h 10mIcelandair
Deal found 9/10$499
This FlightHub deal was found by Cheapflights users on 9/10. 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.
Fri 11/73:40 pmDEN - KEF
Nonstop7h 25mIcelandair
Wed 11/124:55 pmKEF - DEN
Nonstop8h 10mIcelandair
Deal found 9/10$500
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1811:59 pmDEN - KEF
2 stops46h 56mMultiple Airlines
Fri 9/263:05 pmKEF - DEN
1 stop23h 53mMultiple Airlines
Deal found 9/10$501

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 September 11, 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 11/13

3:40 pm-6:05 am

Nonstop7h 25m

Reykjavik Keflavik Intl

Fri 11/21

4:55 pm-6:05 pm

Nonstop8h 10m

$449

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Tue 11/4

3:40 pm-6:05 am

Nonstop7h 25m

Reykjavik Keflavik Intl

Tue 11/11

4:55 pm-6:05 pm

Nonstop8h 10m

$502

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Thu 11/6

3:40 pm-6:05 am

Nonstop7h 25m

Reykjavik Keflavik Intl

Tue 11/11

4:55 pm-6:05 pm

Nonstop8h 10m

$502

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Tue 12/16

3:40 pm-6:05 am

Nonstop7h 25m

Reykjavik Keflavik Intl

Tue 12/23

4:55 pm-6:05 pm

Nonstop8h 10m

$502

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Wed 11/5

3:40 pm-6:05 am

Nonstop7h 25m

Reykjavik Keflavik Intl

Tue 11/11

4:55 pm-6:05 pm

Nonstop8h 10m

$502

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Sat 11/29

3:40 pm-6:05 am

Nonstop7h 25m

Reykjavik Keflavik Intl

Sun 12/7

4:55 pm-6:05 pm

Nonstop8h 10m

$512

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Tue 11/4

3:40 pm-6:05 am

Nonstop7h 25m

Reykjavik Keflavik Intl

Sat 11/15

4:55 pm-6:05 pm

Nonstop8h 10m

$512

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Sun 11/2

3:40 pm-6:05 am

Nonstop7h 25m

Reykjavik Keflavik Intl

Sat 11/8

4:55 pm-6:05 pm

Nonstop8h 10m

$512

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Sun 11/30

3:40 pm-6:05 am

Nonstop7h 25m

Reykjavik Keflavik Intl

Sun 12/7

4:55 pm-6:05 pm

Nonstop8h 10m

$512

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Fri 10/31

4:40 pm-6:05 am

Nonstop7h 25m

Reykjavik Keflavik Intl

Sat 11/15

4:55 pm-6:05 pm

Nonstop8h 10m

$512

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 21 results
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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 August 29, 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 10 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 $328). Flying from Breckenridge to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $655). 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 September 11, 2025.

When flying from Breckenridge 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.

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 October 13, 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.

Weekly flight availability from Breckenridge to Reykjavik Keflavik Intl Airport

Explore weekly flight availability from Breckenridge to Keflavik Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 11, 2025.

The most flights from BK9 to KEF are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

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 September 11, 2025.
See what other customers who have flown with United Airlines and 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.
United Airlines
7.4
Good
8,937 reviews

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Crew

8.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Crew

8.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Icelandair
7.0
Good
546 reviews
United Airlines
7.4
Good
8,937 reviews

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Crew

8.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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 $449, Icelandair can have you in Reykjavik Keflavik Intl Airport from Breckenridge in 7h 25m. Airlines will cover a distance of 3556 mi. Most flights are nonstop.

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

    The cheapest flight price from Breckenridge to Reykjavik Keflavik Intl Airport is $266. On average you can expect to pay $1,117. The most popular route, (Denver Intl - Reykjavik Keflavik Intl), can usually be booked for $382.

  • 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 $328). Flying from Breckenridge to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $655). 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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Top 2 airlines flying from Breckenridge to Keflavik Intl

Discover the top 2 airlines 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$468Average$631FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$523Average$781FlexibilityNo cancel feeOn-time69%

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