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Iceland

$338+ Cheap flights from Denver (DEN) to Iceland

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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — KEF
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Denver to Iceland

Cheapest flights from Denver to Iceland
Explore the most affordable flight options available from Denver to Iceland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 12/14. 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.
Tue 12/233:40 pmDEN - KEF
Nonstop7h 25mIcelandair
Sat 12/274:55 pmKEF - DEN
Nonstop8h 10mIcelandair
Deal found 12/14$573
This Icelandair deal was found by Cheapflights users on 12/14. 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 12/218:20 pmDEN - KEF
1 stop27h 15mMultiple Airlines
Sat 12/274:55 pmKEF - DEN
Nonstop8h 10mMultiple Airlines
Deal found 12/14$1,017
This Expedia deal was found by Cheapflights users on 12/14. 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 12/238:22 pmDEN - KEF
1 stop26h 53mAlaska Airlines
Sat 12/275:00 pmKEF - DEN
1 stop31h 52mAlaska Airlines
Deal found 12/14$1,122
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 12/233:40 pmDEN - KEF
Nonstop7h 25mMultiple Airlines
Mon 12/294:45 pmKEF - DEN
2 stops51h 48mMultiple Airlines
Deal found 12/14$1,157
This KAYAK deal was found by Cheapflights users on 12/15. 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 KAYAK 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 12/15$1,163
This FlightHub deal was found by Cheapflights users on 12/14. 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.
Mon 12/153:40 pmDEN - KEF
Nonstop7h 25mMultiple Airlines
Mon 12/224:45 pmKEF - DEN
1 stop31h 35mMultiple Airlines
Deal found 12/14$1,164
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 12/2210:29 pmDEN - KEF
2 stops25h 16mMultiple Airlines
Sun 12/284:30 pmKEF - DEN
1 stop15h 15mMultiple Airlines
Deal found 12/16$1,217
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 12/225:48 pmDEN - KEF
2 stops29h 57mMultiple Airlines
Sat 12/274:55 pmKEF - DEN
Nonstop8h 10mMultiple Airlines
Deal found 12/14$1,223

Find flight deals from Denver to Iceland

Keep the following information in mind while searching for Denver to Iceland flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$511
(CrystalTravel)

One-way from

$338
(Kiwi.com)

Popular in

January

Cheapest in

February

Average price

$672

Good round-trip deal

$448 or less

Good one-way deal

$331 or less
Provider with most accurate pricing for Denver Intl-Reykjavik (REK) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Reykjavik (REK) flights.
Search Deals
From Denver Intl to Iceland
Search Deals
One-way flight from Denver Intl to Iceland
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($15 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($7 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 Iceland.
Search Deals
Price to beat on a one-way flight from Denver Intl to Iceland.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Denver to Iceland 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 18, 2025.
Use the filters below to find and compare flights from Denver to Iceland that are best for you.

Fly from

Denver

Fly to

Iceland

Route

Depart

Return

Price

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Wed 4/8

11:55 pm-9:30 am

1 stop27h 35m

Reykjavik Keflavik Intl

Wed 4/22

11:25 am-10:31 pm

2 stops17h 06m

$580

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Thu 4/16

6:30 am-9:30 am

1 stop21h 00m

Reykjavik Keflavik Intl

Sat 4/25

11:25 am-6:34 pm

1 stop13h 09m

$588

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Mon 4/13

6:30 am-9:30 am

1 stop21h 00m

Reykjavik Keflavik Intl

Mon 4/27

11:25 am-10:49 pm

1 stop17h 24m

$588

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Mon 4/13

6:30 am-9:30 am

1 stop21h 00m

Reykjavik Keflavik Intl

Sun 4/26

11:25 am-6:34 pm

1 stop13h 09m

$588

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Mon 4/13

6:30 am-9:30 am

1 stop21h 00m

Reykjavik Keflavik Intl

Thu 4/30

11:25 am-10:49 pm

1 stop17h 24m

$588

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Sat 4/11

12:51 pm-9:30 am

1 stop14h 39m

Reykjavik Keflavik Intl

Wed 4/29

11:25 am-10:49 pm

1 stop17h 24m

$588

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Sat 4/11

12:51 pm-9:30 am

1 stop14h 39m

Reykjavik Keflavik Intl

Mon 4/27

11:25 am-10:49 pm

1 stop17h 24m

$588

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Sun 4/12

6:40 am-9:30 am

1 stop20h 50m

Reykjavik Keflavik Intl

Thu 4/30

11:25 am-10:49 pm

1 stop17h 24m

$588

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Tue 4/14

12:20 pm-9:30 am

1 stop15h 10m

Reykjavik Keflavik Intl

Wed 4/29

11:25 am-10:49 pm

1 stop17h 24m

$588

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Tue 4/14

1:35 pm-9:30 am

2 stops13h 55m

Reykjavik Keflavik Intl

Thu 4/30

11:25 am-6:34 pm

1 stop13h 09m

$592

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 21 results
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Best time to book a flight from Denver to Iceland

Have a flexible travel schedule? Discover the best time to fly to Iceland 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 Iceland

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

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

Find hourly flight availability from Denver to Iceland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

When flying from Denver to Iceland, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 8% versus a flight in the afternoon.

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

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

Travelers seeking maximum savings on their Denver to Iceland 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.

Reviews of airlines servicing Iceland

Get insights into the airlines that provide service to Iceland. 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 Iceland. Reviews last updated December 18, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and Icelandair from Denver to Iceland to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,006 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Overall

7.9

Entertainment

7.9

Crew

8.5

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
8,006 reviews
Delta
7.9
Good
8,006 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Overall

7.9

Entertainment

7.9

Crew

8.5

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
9,092 reviews
Delta
7.9
Good
8,006 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Overall

7.9

Entertainment

7.9

Crew

8.5

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
591 reviews
Delta
7.9
Good
8,006 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Overall

7.9

Entertainment

7.9

Crew

8.5

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 Iceland. 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 Iceland?

    Most people fly from Denver Intl (DEN) if they book a flight from Denver to Iceland. Denver Intl is conveniently located just 18.5 mi from Denver’s city center.

  • How long is the flight from Denver to Iceland?

    For as low as $588, KLM can have you in Iceland from Denver in 21h. Denver and Iceland are separated by a distance of 3556 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest flights from Denver to Iceland?

    The cheapest flight price from Denver to Iceland is $315. On average you can expect to pay $1,366. The most popular route, (Denver Intl - Reykjavik Keflavik Intl), can usually be booked for $511.

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

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

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

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

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

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

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

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Alternative routes for Denver to Iceland

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Top airline flying from Denver to Iceland

Discover the top airline that operate flights from Denver to Iceland. 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 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$421Average$671FlexibilityNo cancel feeOn-time76%

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