HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Keflavik Intl

$268+ 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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — KEF
juin 17 — juin 241
mar. 6/17
mar. 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Breckenridge to Keflavik Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Breckenridge to Reykjavik Keflavik Intl are usually found in February or April, booked 57 days in advance, depart on a Tuesday or Wednesday and return on a Monday

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 juin 12, 2025.

Round-trip from

$541
(FlightHub)

One-way from

$268
(Trip.com)

Popular in

November

Cheapest in

February

Average price

$698
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. 9% potential increase in price ($68 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

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 juin 12, 2025.

This deal was found by Cheapflights users on 6/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/214:40 pmDEN - KEF
Nonstop7h 20mIcelandair
dim. 10/264:55 pmKEF - DEN
Nonstop8h 05mIcelandair
Deal found 6/10$540
This Mytrip deal was found by Cheapflights users on 6/12. 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.
dim. 10/57:05 pmDEN - KEF
2 stops31h 10mMultiple Airlines
jeu. 10/99:35 amKEF - DEN
1 stop31h 49mMultiple Airlines
Deal found 6/12$544
This Mytrip deal was found by Cheapflights users on 6/12. 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.
dim. 9/1412:15 pmDEN - KEF
1 stop14h 00mWestJet
jeu. 9/189:35 amKEF - DEN
1 stop31h 49mWestJet
Deal found 6/12$577
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/128:55 pmDEN - KEF
2 stops29h 15mUnited Airlines
mar. 8/199:50 amKEF - DEN
2 stops34h 34mUnited Airlines
Deal found 6/10$583
This Air Canada deal was found by Cheapflights users on 6/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 8/39:40 amDEN - KEF
2 stops16h 35mAir Canada
dim. 8/249:50 amKEF - DEN
2 stops28h 52mAir Canada
Deal found 6/11$598
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 10/296:30 pmDEN - KEF
1 stop34h 25mAmerican Airlines
mer. 11/511:45 amKEF - DEN
2 stops27h 35mAmerican Airlines
Deal found 6/10$623
This Lufthansa deal was found by Cheapflights users on 6/10. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 11/65:50 pmDEN - KEF
1 stop14h 55mLufthansa
ven. 11/144:50 pmKEF - DEN
1 stop30h 10mLufthansa
Deal found 6/10$629
This KLM deal was found by Cheapflights users on 6/12. 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.
sam. 9/1312:20 pmDEN - KEF
1 stop15h 10mKLM
dim. 9/2111:25 amKEF - DEN
1 stop12h 57mKLM
Deal found 6/12$630
This British Airways deal was found by Cheapflights users on 6/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 11/55:30 pmDEN - KEF
1 stop34h 25mBritish Airways
jeu. 11/1311:40 amKEF - DEN
1 stop34h 45mBritish Airways
Deal found 6/10$633
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 9/1312:00 pmDEN - KEF
2 stops15h 30mDelta
lun. 9/228:45 amKEF - DEN
2 stops12h 45mDelta
Deal found 6/11$634
This Finnair deal was found by Cheapflights users on 6/12. 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.
mer. 12/105:30 pmDEN - KEF
2 stops32h 45mFinnair
dim. 12/1410:00 amKEF - DEN
2 stops36h 25mFinnair
Deal found 6/12$692
This Virgin Atlantic deal was found by Cheapflights users on 6/10. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 10/16:30 amDEN - KEF
1 stop21h 00mVirgin Atlantic
jeu. 10/911:25 amKEF - DEN
1 stop12h 57mVirgin Atlantic
Deal found 6/10$697

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 juin 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

mar. 10/21

4:40 pm-6:00 am

Nonstop7h 20m

Reykjavik Keflavik Intl

dim. 10/26

4:55 pm-7:00 pm

Nonstop8h 05m

$540

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

dim. 10/5

7:05 pm-8:15 am

2 stops31h 10m

Reykjavik Keflavik Intl

jeu. 10/9

9:35 am-11:24 am

1 stop31h 49m

$544

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

dim. 9/14

12:15 pm-8:15 am

1 stop14h 00m

Reykjavik Keflavik Intl

jeu. 9/18

9:35 am-11:24 am

1 stop31h 49m

$577

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

mar. 8/12

8:55 pm-8:10 am

2 stops29h 15m

Reykjavik Keflavik Intl

mar. 8/19

9:50 am-2:24 pm

2 stops34h 34m

$583

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

dim. 8/3

9:40 am-8:15 am

2 stops16h 35m

Reykjavik Keflavik Intl

dim. 8/24

9:50 am-8:00 pm

1 stop16h 10m

$598

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

mer. 10/29

6:30 pm-10:55 am

1 stop34h 25m

Reykjavik Keflavik Intl

mer. 11/5

11:45 am-8:20 am

2 stops27h 35m

$623

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

jeu. 11/6

5:50 pm-3:45 pm

1 stop14h 55m

Reykjavik Keflavik Intl

dim. 11/9

4:45 pm-4:00 pm

1 stop30h 15m

$629

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

sam. 9/13

12:20 pm-9:30 am

1 stop15h 10m

Reykjavik Keflavik Intl

dim. 9/21

11:25 am-6:22 pm

1 stop12h 57m

$630

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

mer. 11/5

5:30 pm-10:55 am

1 stop34h 25m

Reykjavik Keflavik Intl

jeu. 11/13

11:40 am-3:25 pm

1 stop34h 45m

$633

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

sam. 9/13

12:00 pm-9:30 am

2 stops15h 30m

Reykjavik Keflavik Intl

sam. 9/20

11:25 am-10:15 pm

2 stops16h 50m

$634

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 22 results
1
2
3

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 June 9, 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 56 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 $659). 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 juin 12, 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 juin 12, 2025.

The most flights from BK9 to KEF are scheduled on a Tuesday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

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 juin 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta and KLM from Breckenridge to Reykjavik to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
KLM
7.8
Good
1,358 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Virgin Atlantic
7.4
Good
652 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.

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.

  • What are the cheapest airlines to fly from Breckenridge to Reykjavik Keflavik Intl Airport one-way?

    $268 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Icelandair and Virgin Atlantic, with prices starting from $364 and $402, respectively.

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

    The cheapest flight price from Breckenridge to Reykjavik Keflavik Intl Airport is $173. On average you can expect to pay $1,684. The most popular route, (Denver Intl - Reykjavik Keflavik Intl), can usually be booked for $505.

  • 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 $659). 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 Breckenridge?

Book flights to Breckenridge if you plan to visit one of these locations
Keflavik

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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
Durango to Keflavik Intl flights
Colorado Springs to Keflavik Intl flights

Top 3 airlines flying from Breckenridge to Keflavik Intl

Discover the top 3 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 juin 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$499Average$713FlexibilityNo cancel feeOn-time67%
IcelandairCheapest$524Average$647FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$659Average$962FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.