HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Reykjavik

$293+ 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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — REK
Aug 27 — Sep 31
Thu 8/27
Thu 9/3
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Denver to Reykjavik 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.

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 July 28, 2026.

This United Airlines deal was found by Cheapflights users on 7/28. 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.
Thu 10/159:40 am
DEN
-
KEF
1 stop16h 15m
United Airlines
Fri 10/239:15 am
KEF
-
DEN
2 stops37h 07m
United Airlines
Deal found 7/28$415
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Sat 9/194:06 pm
DEN
-
KEF
1 stop10h 44m
United Airlines
Fri 10/29:15 am
KEF
-
DEN
2 stops35h 00m
United Airlines
Deal found 7/27$416
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Fri 9/185:30 am
DEN
-
KEF
1 stop21h 20m
United Airlines
Fri 10/29:15 am
KEF
-
DEN
1 stop31h 16m
United Airlines
Deal found 7/27$417
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Fri 9/257:10 pm
DEN
-
KEF
2 stops30h 45m
United Airlines
Fri 10/29:15 am
KEF
-
DEN
2 stops39h 10m
United Airlines
Deal found 7/27$419
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Mon 10/1211:35 am
DEN
-
KEF
1 stop15h 10m
United Airlines
Fri 10/169:15 am
KEF
-
DEN
2 stops39h 10m
United Airlines
Deal found 7/28$420
This United Airlines deal was found by Cheapflights users on 7/26. 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.
Sat 10/35:56 pm
DEN
-
KEF
2 stops32h 54m
United Airlines
Fri 10/169:15 am
KEF
-
DEN
2 stops39h 10m
United Airlines
Deal found 7/26$421
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Sat 10/176:10 pm
DEN
-
KEF
1 stop32h 40m
United Airlines
Sat 10/2410:00 am
KEF
-
DEN
1 stop30h 30m
United Airlines
Deal found 7/28$422
This Flightnetwork deal was found by Cheapflights users on 7/23. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2711:30 am
DEN
-
KEF
2 stops14h 25m
Air Canada
Tue 8/49:15 am
KEF
-
DEN
1 stop15h 40m
Air Canada
Deal found 7/23$423
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Mon 10/1211:35 am
DEN
-
KEF
1 stop15h 10m
United Airlines
Tue 10/2010:00 am
KEF
-
DEN
2 stops35h 17m
United Airlines
Deal found 7/28$424
This Orbitz deal was found by Cheapflights users on 7/23. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/46:05 pm
DEN
-
KEF
1 stop32h 40m
Air Canada
Fri 10/99:15 am
KEF
-
DEN
1 stop31h 16m
Air Canada
Deal found 7/23$426
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Thu 10/811:25 am
DEN
-
KEF
1 stop14h 30m
United Airlines
Wed 10/149:15 am
KEF
-
DEN
1 stop31h 16m
United Airlines
Deal found 7/27$428
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Sat 9/192:50 pm
DEN
-
KEF
1 stop12h 00m
United Airlines
Wed 9/309:15 am
KEF
-
DEN
2 stops35h 00m
United Airlines
Deal found 7/27$429

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 July 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$415
(United Airlines)

One-way from

$293
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$624

Good round-trip deal

$648 or less

Good one-way deal

$293 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 Reykjavik (REK)
Search Deals
One-way flight from Denver Intl to Reykjavik (REK)
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($31 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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).
Search Deals

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 July 28, 2026.
Use the filters below to find and compare flights from Denver to Reykjavik that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Thu 9/24

6:00 am-7:55 am

2 stops19h 55m

Reykjavik Keflavik Intl

Fri 10/2

9:15 am-6:25 pm

2 stops39h 10m

$419

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Sat 8/15

6:10 pm-8:50 am

1 stop32h 40m

Reykjavik Keflavik Intl

Fri 8/21

9:15 am-10:33 am

1 stop31h 18m

$430

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Sun 8/30

11:59 pm-8:30 am

1 stop26h 31m

Reykjavik Keflavik Intl

Sat 9/5

9:15 am-10:33 am

1 stop31h 18m

$430

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Wed 8/12

7:13 pm-7:00 am

1 stop29h 47m

Reykjavik Keflavik Intl

Fri 8/21

9:15 am-10:33 am

1 stop31h 18m

$430

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Mon 8/24

11:59 pm-8:30 am

1 stop26h 31m

Reykjavik Keflavik Intl

Mon 8/31

9:15 am-10:33 am

1 stop31h 18m

$430

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Wed 8/26

11:59 pm-8:30 am

1 stop26h 31m

Reykjavik Keflavik Intl

Fri 9/4

9:15 am-10:33 am

1 stop31h 18m

$430

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Fri 8/14

7:10 pm-8:50 am

1 stop31h 40m

Reykjavik Keflavik Intl

Thu 8/20

10:00 am-10:35 am

1 stop30h 35m

$435
Quickest round-trip

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Mon 10/19

4:17 pm-8:45 am

1 stop10h 28m

Reykjavik Keflavik Intl

Mon 10/26

12:00 pm-7:45 pm

1 stop13h 45m

$440

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Sun 8/16

7:45 am-8:50 am

1 stop19h 05m

Reykjavik Keflavik Intl

Thu 8/20

9:15 am-6:55 pm

1 stop15h 40m

$443

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Fri 11/6

11:59 pm-10:00 am

2 stops51h 01m

Reykjavik Keflavik Intl

Thu 11/12

12:00 pm-8:28 am

2 stops27h 28m

$446

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Reykjavik flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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

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

Currently, February is the cheapest month in which you can book a flight from Denver to Reykjavik (average of $537). Flying from Denver to Reykjavik in August is currently the most expensive (average of $724). 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 July 28, 2026.

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

Weekly flight availability from Denver to Reykjavik

Explore weekly flight availability from Denver to Reykjavik. 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 July 28, 2026.

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

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

Airfare is below average for this route at the moment.
Denver to Reykjavik flights typically cost between $608 and $988 in October.
The cheapest round-trip price found within the last 5 days was $415 on United Airlines (Oct 15-Oct 23).

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

Booking 5 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.

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 July 28, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andIcelandair 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
7.8
Good
8,493 reviews

Entertainment

7.8

Crew

8.5

Comfort

7.8

Overall

7.8

Food

7.2

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,493 reviews
Delta
7.8
Good
8,493 reviews

Entertainment

7.8

Crew

8.5

Comfort

7.8

Overall

7.8

Food

7.2

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
10,052 reviews
Delta
7.8
Good
8,493 reviews

Entertainment

7.8

Crew

8.5

Comfort

7.8

Overall

7.8

Food

7.2

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Icelandair
7.0
Good
716 reviews
Delta
7.8
Good
8,493 reviews

Entertainment

7.8

Crew

8.5

Comfort

7.8

Overall

7.8

Food

7.2

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 2 outbound flights 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 16h 15m. Fly via United Airlines to get the fastest option. Airlines will cover a distance of 3556 mi.

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

    Icelandair, at $434, 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 $1,627 for a flight from Denver to Reykjavik. The cheapest flight overall is $194 while the most popular route, (Denver Intl - Reykjavik Keflavik Intl) is currently priced at $415.

  • 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, February is the cheapest month in which you can book a flight from Denver to Reykjavik (average of $537). Flying from Denver to Reykjavik in August is currently the most expensive (average of $724). 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
Hveragerdi

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 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

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 July 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$434Average$625FlexibilityNo cancel feeOn-time76%

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.