Iceland

$364+ Cheap flights from Denver (DEN) to Iceland

DEN — KEF
Dec 9 — Dec 161
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Cheap flight deals from Denver to Iceland

Cheapest flights from Denver to Iceland

Sun 11/153:40 pm -
Nonstop7h 25m
Sun 11/224:55 pm -
Nonstop8h 05m
Deal found 11/9$532
Wed 11/117:45 am -
1 stop19h 15m
Thu 12/1012:00 pm -
1 stop16h 59m
Deal found 11/8$542
Thu 11/128:30 pm -
2 stops30h 30m
Thu 11/1912:00 pm -
1 stop12h 49m
Deal found 11/9$547
Thu 12/108:25 pm -
1 stop30h 35m
Mon 12/1412:00 pm -
2 stops30h 27m
Deal found 11/5$553
Mon 12/75:55 pm -
2 stops57h 05m
Mon 12/1412:00 pm -
1 stop13h 03m
Deal found 11/5$559
Fri 12/43:40 pm -
Nonstop7h 25m
Tue 12/84:55 pm -
Nonstop8h 05m
Deal found 11/5$562
Fri 12/43:40 pm -
Nonstop7h 25m
Fri 12/114:55 pm -
Nonstop8h 05m
Deal found 11/7$571
Thu 12/38:25 pm -
1 stop30h 35m
Thu 12/103:10 pm -
1 stop30h 20m
Deal found 11/5$578
Mon 11/303:40 pm -
Nonstop7h 25m
Wed 12/94:55 pm -
Nonstop8h 05m
Deal found 11/4$580
Mon 12/73:55 pm -
1 stop15h 30m
Mon 12/1412:00 pm -
1 stop13h 03m
Deal found 11/7$582
Sun 12/2012:35 pm -
2 stops20h 40m
Sun 12/279:20 am -
3 stops31h 29m
Deal found 11/5$1,776
Mon 12/2811:25 am -
3 stops24h 35m
Sat 1/25:50 pm -
2 stops30h 35m
Deal found 11/8$2,958

Find flight deals from Denver to Iceland

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$542
(United Airlines)

One-way from

$364
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$591

Good round-trip deal

$591 or less

Good one-way deal

$306 or less
Provider with most accurate pricing for Denver Intl-Reykjavik (REK) flight deals.
Provider most trusted by Cheapflights users for Denver Intl-Reykjavik (REK) flights.
From Denver Intl to Iceland
One-way flight from Denver Intl to Iceland
Highest demand for flights based on searches. 3% potential increase in price ($24 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
Average for round-trip flights in November 2026
Price to beat on a round-trip flight from Denver Intl to Iceland.
Price to beat on a one-way flight from Denver Intl to Iceland.

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Denver to Iceland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverReykjavik

DEN Denver Intl - KEF Reykjavik Keflavik Intl

DENKEF

Denver Intl

Tue 2/9

10:58 am-5:15 pm

2 stops23h 17m

Reykjavik Keflavik Intl

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$376
Quickest round-trip

DenverReykjavik

DEN Denver Intl - KEF Reykjavik Keflavik Intl

DENKEF

Denver Intl

Sun 1/17

3:40 pm-6:05 am

Nonstop7h 25m

Reykjavik Keflavik Intl

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$475

DenverReykjavik

DEN Denver Intl - KEF Reykjavik Keflavik Intl

DENKEF

Denver Intl

Fri 3/5

3:40 pm-6:05 am

Nonstop7h 25m

Reykjavik Keflavik Intl

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$475

DenverReykjavik

DEN Denver Intl - KEF Reykjavik Keflavik Intl

DENKEF

Denver Intl

Sun 2/28

3:40 pm-6:05 am

Nonstop7h 25m

Reykjavik Keflavik Intl

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$475

DenverReykjavik

DEN Denver Intl - KEF Reykjavik Keflavik Intl

DENKEF

Denver Intl

Sat 1/16

3:40 pm-6:05 am

Nonstop7h 25m

Reykjavik Keflavik Intl

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$475

DenverReykjavik

DEN Denver Intl - KEF Reykjavik Keflavik Intl

DENKEF

Denver Intl

Mon 3/1

3:40 pm-6:05 am

Nonstop7h 25m

Reykjavik Keflavik Intl

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$475

DenverReykjavik

DEN Denver Intl - KEF Reykjavik Keflavik Intl

DENKEF

Denver Intl

Sat 11/14

11:59 pm-10:00 am

2 stops27h 01m

Reykjavik Keflavik Intl

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$555

DenverReykjavik

DEN Denver Intl - KEF Reykjavik Keflavik Intl

DENKEF

Denver Intl

Fri 12/11

9:35 am-10:00 am

1 stop17h 25m

Reykjavik Keflavik Intl

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$555

DenverReykjavik

DEN Denver Intl - KEF Reykjavik Keflavik Intl

DENKEF

Denver Intl

Fri 12/4

9:35 am-10:00 am

1 stop17h 25m

Reykjavik Keflavik Intl

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$555

DenverReykjavik

DEN Denver Intl - KEF Reykjavik Keflavik Intl

DENKEF

Denver Intl

Sun 11/22

11:15 am-10:00 am

1 stop15h 45m

Reykjavik Keflavik Intl

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$555

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 23 resultsSorted by cheapest first
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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

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, February is the cheapest month in which you can book a flight from Denver to Iceland (average of $513). Flying from Denver to Iceland in August is currently the most expensive (average of $759). 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?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Denver to Iceland as you normally would.

Weekly flight availability from Denver to Iceland

The most flights from DEN to IS0 are scheduled on a Monday (2 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

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

Booking 5 days in advance of your planned departure date is, on average, the best time to get cheap flights from Denver to Iceland. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Iceland

Peruse reviews from past customers who have flown with Delta,United Airlines, andIcelandair 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.

Comfort

7.8

Overall

7.8

Boarding

8.1

Food

7.2

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Comfort

7.8

Overall

7.8

Boarding

8.1

Food

7.2

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Comfort

7.8

Overall

7.8

Boarding

8.1

Food

7.2

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Comfort

7.8

Overall

7.8

Boarding

8.1

Food

7.2

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Related info for your journey

  • 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 $591, Icelandair can have you in Iceland from Denver in 7h 25m. 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 $254. On average you can expect to pay $1,325. The most popular route, (Denver Intl - Reykjavik Keflavik Intl), can usually be booked for $542.

  • 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, February is the cheapest month in which you can book a flight from Denver to Iceland (average of $513). Flying from Denver to Iceland in August is currently the most expensive (average of $759). 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

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Denver to Iceland

AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$431Average$485FlexibilityNo cancel feeOn-time69%
IcelandairCheapest$448Average$642FlexibilityNo cancel feeOn-time76%

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