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Cheap flights from Denver to Reykjavik from $380

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Reykjavik departing on 3/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Denver to Reykjavik

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
4:40 pm - 6:00 am
DEN
-
KEF
7h 20mnonstop
Icelandair Logo
4:50 pm - 7:00 pm
KEF
-
DEN
8h 10mnonstop
$512Icelandair
Mon, Apr 6 - Thu, Apr 16
Icelandair Logo
3:40 pm - 6:05 am
DEN
-
KEF
7h 25mnonstop
Icelandair Logo
4:55 pm - 6:05 pm
KEF
-
DEN
8h 10mnonstop
$530Icelandair
Wed, Jan 21 - Tue, Jan 27
Icelandair Logo
3:40 pm - 6:05 am
DEN
-
KEF
7h 25mnonstop
Icelandair Logo
4:55 pm - 6:05 pm
KEF
-
DEN
8h 10mnonstop
$547Icelandair
Mon, Feb 16 - Wed, Mar 4
Icelandair Logo
3:40 pm - 6:05 am
DEN
-
KEF
7h 25mnonstop
Icelandair Logo
4:55 pm - 6:05 pm
KEF
-
DEN
8h 10mnonstop
$552Icelandair
Sat, Feb 21 - Sun, Mar 1
Icelandair Logo
3:40 pm - 6:05 am
DEN
-
KEF
7h 25mnonstop
Icelandair Logo
4:55 pm - 6:05 pm
KEF
-
DEN
8h 10mnonstop
$557Icelandair
Wed, Jan 21 - Sun, Jan 25
Icelandair Logo
3:40 pm - 6:05 am
DEN
-
KEF
7h 25mnonstop
Icelandair Logo
4:55 pm - 6:05 pm
KEF
-
DEN
8h 10mnonstop
$558Icelandair
Wed, Jan 21 - Tue, Jan 27
Multiple Airlines Logo
9:10 am - 6:15 am
DEN
-
KEF
14h 05m1 stop
Multiple Airlines Logo
5:00 pm - 11:35 pm
KEF
-
DEN
13h 35m1 stop
$561Multiple Airlines
Sun, Feb 1 - Sat, Feb 7
Icelandair Logo
3:40 pm - 6:05 am
DEN
-
KEF
7h 25mnonstop
Icelandair Logo
4:55 pm - 6:05 pm
KEF
-
DEN
8h 10mnonstop
$564Icelandair
Mon, Feb 16 - Fri, Feb 20
Icelandair Logo
3:40 pm - 6:05 am
DEN
-
KEF
7h 25mnonstop
Icelandair Logo
4:55 pm - 6:05 pm
KEF
-
DEN
8h 10mnonstop
$570Icelandair
Wed, Feb 11 - Mon, Feb 23
Icelandair Logo
4:40 pm - 6:00 am
DEN
-
KEF
7h 20mnonstop
Icelandair Logo
10:30 am - 12:25 pm
KEF
-
DEN
7h 55mnonstop
$572Icelandair
Thu, May 7 - Wed, May 27

Lufthansa flights from Denver to Reykjavik Keflavik Intl Airport

Our best Lufthansa deals on Denver to Reykjavik Keflavik Intl Airport flight tickets
Lufthansa
Jan 21
DEN4:20 pmDenver Intl
14h 55m
1 stop
KEF2:15 pmReykjavik Keflavik Intl
Jan 27
KEF3:20 pmReykjavik Keflavik Intl
29h 20m
1 stop
DEN1:40 pmDenver Intl
$604
Find similar
Lufthansa
Jan 24
DEN11:15 amDenver Intl
20h 05m
2 stops
KEF2:20 pmReykjavik Keflavik Intl
Feb 3
KEF3:20 pmReykjavik Keflavik Intl
33h 35m
1 stop
DEN5:55 pmDenver Intl
$612
Find similar
Lufthansa
Jan 21
DEN4:20 pmDenver Intl
14h 55m
1 stop
KEF2:15 pmReykjavik Keflavik Intl
Jan 31
KEF3:10 pmReykjavik Keflavik Intl
35h 16m
2 stops
DEN7:26 pmDenver Intl
$620
Find similar

Icelandair flights from Denver to Reykjavik Keflavik Intl Airport

Our best Icelandair deals on Denver to Reykjavik Keflavik Intl Airport flight tickets
Icelandair
Apr 6
DEN4:40 pmDenver Intl
7h 20m
KEF6:00 amReykjavik Keflavik Intl
Apr 16
KEF4:50 pmReykjavik Keflavik Intl
8h 10m
DEN7:00 pmDenver Intl
$512
Find similar
Icelandair
Jan 21
DEN3:40 pmDenver Intl
7h 25m
KEF6:05 amReykjavik Keflavik Intl
Jan 27
KEF4:55 pmReykjavik Keflavik Intl
8h 10m
DEN6:05 pmDenver Intl
$530
Find similar
Icelandair
Feb 16
DEN3:40 pmDenver Intl
7h 25m
KEF6:05 amReykjavik Keflavik Intl
Mar 4
KEF4:55 pmReykjavik Keflavik Intl
8h 10m
DEN6:05 pmDenver Intl
$547
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Denver to Reykjavik Keflavik Intl Airport 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, momondo users made 832,500 searches. Data last updated December 6, 2025.
Use the filters below to find and compare flights from Denver to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Mon 4/6

4:40 pm-6:00 am

Nonstop7h 20m

Reykjavik Keflavik Intl

Thu 4/16

4:50 pm-7:00 pm

Nonstop8h 10m

$512

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Wed 1/21

3:40 pm-6:05 am

Nonstop7h 25m

Reykjavik Keflavik Intl

Tue 1/27

4:55 pm-6:05 pm

Nonstop8h 10m

$530

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Mon 2/16

3:40 pm-6:05 am

Nonstop7h 25m

Reykjavik Keflavik Intl

Wed 3/4

4:55 pm-6:05 pm

Nonstop8h 10m

$547

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Sat 2/21

3:40 pm-6:05 am

Nonstop7h 25m

Reykjavik Keflavik Intl

Sun 3/1

4:55 pm-6:05 pm

Nonstop8h 10m

$552

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Wed 1/21

3:40 pm-6:05 am

Nonstop7h 25m

Reykjavik Keflavik Intl

Sun 1/25

4:55 pm-6:05 pm

Nonstop8h 10m

$557

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Wed 1/21

3:40 pm-6:05 am

Nonstop7h 25m

Reykjavik Keflavik Intl

Tue 1/27

4:55 pm-6:05 pm

Nonstop8h 10m

$558

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Sun 2/1

9:10 am-6:15 am

1 stop14h 05m

Reykjavik Keflavik Intl

Sat 2/7

5:00 pm-11:35 pm

1 stop13h 35m

$561

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Mon 2/16

3:40 pm-6:05 am

Nonstop7h 25m

Reykjavik Keflavik Intl

Fri 2/20

4:55 pm-6:05 pm

Nonstop8h 10m

$564

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Wed 2/11

3:40 pm-6:05 am

Nonstop7h 25m

Reykjavik Keflavik Intl

Mon 2/23

4:55 pm-6:05 pm

Nonstop8h 10m

$570

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Thu 5/7

4:40 pm-6:00 am

Nonstop7h 20m

Reykjavik Keflavik Intl

Wed 5/27

10:30 am-12:25 pm

Nonstop7h 55m

$572

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Reykjavik from

How to get the cheapest flight ticket from Denver to Reykjavik Keflavik Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Reykjavik Keflavik Intl Airport?

The month of October is, on average, the cheapest month to fly to Reykjavik Keflavik Intl Airport from Denver, with most prices found around $551. If you’re not able to fly to Reykjavik Keflavik Intl Airport in October, then February is your next best option. Flight prices from Denver to Reykjavik Keflavik Intl Airport during February average around $568.

What is the cheapest day to depart on your flight to Reykjavik Keflavik Intl Airport?

The cheapest day to depart from Denver to Reykjavik Keflavik Intl Airport is on a Wednesday when prices can be found for as low as $592. The most expensive day to fly to Reykjavik Keflavik Intl Airport is Saturday, with ticket prices averaging around $661.

What is the cheapest time of day to depart on your flight to Reykjavik Keflavik Intl Airport?

The cheapest time of day to fly to Reykjavik Keflavik Intl Airport is in the afternoon when flights can be purchased for as low as $601. Flights at noon are often more expensive with an average ticket price of $762.

What is the cheapest Denver Intl to Reykjavik Keflavik Intl flight route?

Fly from Denver Intl to Reykjavik Keflavik Intl for the best Denver Intl - Reykjavik Keflavik Intl flight prices

How far in advance should I book a flight to Reykjavik Keflavik Intl Airport?

You are more likely to see cheaper flights to Reykjavik Keflavik Intl Airport from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to Reykjavik Keflavik Intl Airport for around $647 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Reykjavik Keflavik Intl Airport from Denver for as low as $559 on momondo.

What cabin class options are available on Denver Intl to Reykjavik Keflavik Intl flights?

There are 3 cabin classes available to choose from on Denver Intl to Reykjavik Keflavik Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Denver to Reykjavik Keflavik Intl Airport flights?

No. A direct flight is the cheapest option for a flight between Denver to Reykjavik Keflavik Intl Airport.

How have Denver to Reykjavik Keflavik Intl Airport flight prices changed over time?

As of December 2025, prices for Denver to Reykjavik Keflavik Intl Airport flights are approximately 1% more expensive when compared to flights at the same time last year.

When to book flights from Denver to Reykjavik Keflavik Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Denver to Reykjavik Keflavik Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Denver to Reykjavik Keflavik Intl Airport (DEN to KEF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Denver to Reykjavik Keflavik Intl Airport

Best Price Found

$393

Fastest flight time

7h 15m

Direct flights

Every day
The best one-way flight to Reykjavik Keflavik Intl Airport from Denver in the past 72 hours is $393. The best round-trip flight deal from Denver to Reykjavik Keflavik Intl Airport found on momondo in the last 72 hours is $460.
The fastest flight from Denver to Reykjavik Keflavik Intl Airport takes 7h 15m
Direct flights go from Denver to Reykjavik Keflavik Intl Airport every day.
Search flight deals

  • How far is Denver Intl to Reykjavik Keflavik Intl by plane?

    Reykjavik Keflavik Intl is 3572.3 mi away from Denver Intl. 7h 15m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Denver Intl Airport to Reykjavik Keflavik Intl Airport?

    Prices for flights from Denver Intl Airport to Reykjavik Keflavik Intl Airport were last updated today.

  • How many operators does momondo search for flights from Denver Intl Airport to Reykjavik Keflavik Intl Airport?

  • How old do you have to be to fly from Denver Intl Airport to Reykjavik Keflavik Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Denver Intl Airport to Reykjavik Keflavik Intl Airport.

  • What documentation or ID do you need to fly to Reykjavik Keflavik Intl Airport?

    The travel and health documents required for your trip to Reykjavik Keflavik Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Reykjavik Keflavik Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Denver to Reykjavik Keflavik Intl Airport?

  • What is the most popular airline from Denver to Reykjavik Keflavik Intl Airport?

Best airlines flying from Denver to Reykjavik Keflavik Intl Airport

Compare and see reviews for airlines that fly from Denver to Reykjavik Keflavik Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $431Free CancellationRating
7.0
586 reviews
Search Icelandair flights

  • Icelandair Flights From Denver to Reykjavik Keflavik Intl Airport

    Across 7 Icelandair flights from Denver to Reykjavik Keflavik Intl Airport this week, the average price was $627, with the best Icelandair deals starting from $431 round-trip. 586 users have rated Icelandair on momondo, with an average score of 7.0/10.

Traveling to a place near Reykjavik?

Book flights to Reykjavik if you plan to visit one of these locations
Keflavik
Selfoss
Hella
Hveragerdi
Borgarnes
Grindavik
Kopavogur

Why use momondo?

Why should I use momondo to find a flight deal from Denver to Reykjavik?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Denver to Reykjavik. momondo saves you time and could save you money on your trip.

Can I find flights from Denver to Reykjavik with flexible booking policies on momondo?

Flights from Denver to Reykjavik with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Denver to Reykjavik?

Once all potential Denver to Reykjavik flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Denver to Reykjavik right now. Can momondo alert me if prices change?

Price alerts on flights to Reykjavik from Denver are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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