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Reykjavik

$337+ Cheap flights from Denver (DEN) to Reykjavik (REK)

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 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — REK
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Denver Intl to Reykjavik are usually found in February or October, booked 49 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from Denver to Reykjavik

Cheapest flights from Denver to Reykjavik
Explore the most affordable flight options available from Denver to Reykjavik. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

This CrystalTravel deal was found by Cheapflights users on 12/20. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/243:40 pmDEN - KEF
Nonstop7h 25mIcelandair
Fri 12/264:55 pmKEF - DEN
Nonstop8h 10mIcelandair
Deal found 12/20$709
This Expedia deal was found by Cheapflights users on 12/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:02 amDEN - KEF
1 stop17h 13mMultiple Airlines
Fri 12/264:55 pmKEF - DEN
Nonstop8h 10mMultiple Airlines
Deal found 12/20$1,112
This Alaska Airlines deal was found by Cheapflights users on 12/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:02 amDEN - KEF
1 stop17h 13mAlaska Airlines
Fri 12/265:00 pmKEF - DEN
1 stop28h 50mAlaska Airlines
Deal found 12/20$1,134
This Expedia deal was found by Cheapflights users on 12/21. 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.
Thu 12/256:02 amDEN - KEF
1 stop17h 13mMultiple Airlines
Sat 12/274:55 pmKEF - DEN
Nonstop8h 10mMultiple Airlines
Deal found 12/21$1,249
This SmartFares deal was found by Cheapflights users on 12/21. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:02 amDEN - KEF
1 stop17h 13mAlaska Airlines
Sat 12/275:00 pmKEF - DEN
1 stop12h 32mAlaska Airlines
Deal found 12/21$1,259
This Kiwi.com deal was found by Cheapflights users on 12/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/243:40 pmDEN - KEF
Nonstop7h 25mMultiple Airlines
Sun 12/284:30 pmKEF - DEN
1 stop23h 26mMultiple Airlines
Deal found 12/20$1,265
This Trip.com deal was found by Cheapflights users on 12/22. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/233:40 pmDEN - KEF
Nonstop7h 25mMultiple Airlines
Sun 12/284:45 pmKEF - DEN
1 stop11h 07mMultiple Airlines
Deal found 12/22$1,271
This Expedia deal was found by Cheapflights users on 12/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/233:40 pmDEN - KEF
Nonstop7h 25mIcelandair
Sun 12/284:55 pmKEF - DEN
Nonstop8h 10mIcelandair
Deal found 12/22$1,311

Find flight deals from Denver to Reykjavik

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Reykjavik (REK). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$499
(Kiwi.com)

One-way from

$337
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$672

Good round-trip deal

$460 or less

Good one-way deal

$315 or less
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 Denver Intl to Reykjavik (REK)
Search Deals
One-way flight from Denver Intl to Reykjavik (REK)
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($18 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Denver Intl to Reykjavik (REK).
Search Deals
Price to beat on a one-way flight from Denver Intl to Reykjavik (REK).
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Denver to Reykjavik 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 23, 2025.
Use the filters below to find and compare flights from Denver to Reykjavik that are best for you.

Fly from

Denver

Fly to

Reykjavik

Route

Depart

Return

Price

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Wed 4/8

6:40 am-9:30 am

1 stop20h 50m

Reykjavik Keflavik Intl

Wed 4/22

11:25 am-7:42 pm

1 stop14h 17m

$580

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Tue 4/14

12:44 pm-9:30 am

1 stop14h 46m

Reykjavik Keflavik Intl

Tue 4/21

11:25 am-10:49 pm

1 stop17h 24m

$588

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Thu 4/16

12:44 pm-9:30 am

1 stop14h 46m

Reykjavik Keflavik Intl

Sun 4/26

11:25 am-7:42 pm

1 stop14h 17m

$588

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Tue 4/14

1:25 pm-9:30 am

2 stops14h 05m

Reykjavik Keflavik Intl

Thu 4/30

11:25 am-10:49 pm

1 stop17h 24m

$592

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Fri 5/1

12:44 pm-9:30 am

1 stop14h 46m

Reykjavik Keflavik Intl

Sun 5/10

9:30 am-10:29 pm

1 stop18h 59m

$602

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Sun 4/26

12:44 pm-9:30 am

1 stop14h 46m

Reykjavik Keflavik Intl

Sun 5/3

11:25 am-10:49 pm

1 stop17h 24m

$602

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Fri 5/1

1:25 pm-9:30 am

2 stops14h 05m

Reykjavik Keflavik Intl

Fri 5/8

8:50 am-6:03 pm

2 stops15h 13m

$607

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Mon 4/27

6:40 am-9:30 am

1 stop20h 50m

Reykjavik Keflavik Intl

Thu 5/7

11:25 am-11:51 pm

2 stops18h 26m

$607

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Wed 5/6

10:19 am-9:30 am

2 stops17h 11m

Reykjavik Keflavik Intl

Wed 5/13

11:25 am-6:34 pm

1 stop13h 09m

$607

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Tue 5/5

6:40 am-9:30 am

1 stop20h 50m

Reykjavik Keflavik Intl

Tue 5/12

11:25 am-8:23 pm

2 stops14h 58m

$607

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

Showing 1-10 of 22 results
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Compare providers for flights from Denver to Reykjavik

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Denver to Reykjavik in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Denver-Reykjavik flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Denver-Reykjavik flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Denver-Reykjavik flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Denver-Reykjavik flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Denver-Reykjavik flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Denver to Reykjavik

Have a flexible travel schedule? Discover the best time to fly to Reykjavik from Denver 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 Denver to Reykjavik

How far ahead should I book a flight from Denver to Reykjavik?

Use this chart to determine the optimal time to book a round-trip flight from Denver to Reykjavik. Price data was last updated on December 19, 2025.

Booking 49 days in advance of your planned departure date is, on average, the best time to get cheap flights from Denver to Reykjavik. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Denver to Reykjavik?

Currently, November is the cheapest month in which you can book a flight from Denver to Reykjavik (average of $372). Flying from Denver to Reykjavik 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 DEN to REK?

Find hourly flight availability from Denver to Reykjavik. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 23, 2025.

When flying from Denver to Reykjavik, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 27% versus a flight in the morning.

What is the cheapest day to fly from Denver to Reykjavik?

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

Travelers seeking maximum savings on their Denver to Reykjavik flight should consider departing on Friday 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.

How much does it cost to fly round-trip from Denver to Reykjavik?

Reviews of airlines servicing Reykjavik

Get insights into the airlines that provide service to Reykjavik. 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 Reykjavik. Reviews last updated December 23, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and Icelandair from Denver to Reykjavik. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,014 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,014 reviews
Delta
7.9
Good
8,014 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,106 reviews
Delta
7.9
Good
8,014 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Icelandair
7.0
Good
592 reviews
Delta
7.9
Good
8,014 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Denver to Reykjavik. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Denver to Reykjavik?

    Denver Intl (DEN), located 18.5 mi from the city center, is the airport you fly out of when you book flights from Denver to Reykjavik. 1 airline have flights from Denver Intl to Reykjavik on a regular basis. Booking flights from Denver Intl to Reykjavik should not be difficult; the airport handles an average of 1 outbound flight to Reykjavik per day.

  • How long is the flight from Denver to Reykjavik?

    There are many flights that can get you from Denver to Reykjavik in 14h 05m. Fly via KLM or Delta to get the fastest option. Airlines will cover a distance of 3556 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Denver to Reykjavik round-trip?

    Icelandair, at $423, was found to be the cheapest airline from Denver to Reykjavik.. Icelandair is 31% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest flights from Denver to Reykjavik?

    On average you can expect to pay $1,409 for a flight from Denver to Reykjavik. The cheapest flight overall is $256 while the most popular route, (Denver Intl - Reykjavik Keflavik Intl) is currently priced at $517.

  • Can I find deals for flights from Denver to Reykjavik that include hotel bookings?

    Yes. In addition to deals on Denver to Reykjavik flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Denver to Reykjavik?

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

  • Can I find deals for business class flights from Denver to Reykjavik?

    Yes. Cheapflights offers flight deals from Denver to Reykjavik 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 Denver to Reykjavik?

    Currently, November is the cheapest month in which you can book a flight from Denver to Reykjavik (average of $372). Flying from Denver to Reykjavik 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?

Book flights to Reykjavik if you plan to visit one of these locations
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Alternative routes for Denver to Reykjavik

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 Denver to Reykjavik

Discover the top airline that operate flights from Denver to Reykjavik. 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 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$422Average$670FlexibilityNo cancel feeOn-time76%

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