$387+ Cheap flights from Denver (DEN) to Keflavik Intl (KEF)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — KEF
Oct 8 — Oct 151
Round-trip
1 adult, Economy
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Find cheap flights from Denver to Keflavik Intl 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 Keflavik Intl
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Best
Last-minute
One-way
Cheapest flights from Denver to Keflavik IntlExplore the most affordable flight options available from Denver to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 8, 2026.
Explore the most affordable flight options available from Denver to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 8, 2026.
This Ticket deal was found by Cheapflights users on 9/4. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/194:40 pm -
Nonstop7h 20m
Mon 10/264:55 pm -
Nonstop8h 05m
Deal found 9/4![Icelandair logo]()
$387
This Trip.com deal was found by Cheapflights users on 9/3. 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.
Sun 10/1811:35 am -
1 stop15h 10m
Sat 10/2410:00 am -
1 stop30h 35m
Deal found 9/3![Air Canada logo]()
$422
This Mytrip deal was found by Cheapflights users on 9/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/103:40 pm -
Nonstop7h 25m
Sat 11/214:55 pm -
Nonstop8h 05m
Deal found 9/4![Icelandair logo]()
$425
This Cheapflightsfares deal was found by Cheapflights users on 9/3. 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.
Mon 10/194:40 pm -
Nonstop7h 20m
Tue 10/274:55 pm -
Nonstop8h 05m
Deal found 9/3![Icelandair logo]()
$426
This FlightHub deal was found by Cheapflights users on 9/3. 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.
Tue 11/33:40 pm -
Nonstop7h 25m
Wed 11/114:55 pm -
Nonstop8h 05m
Deal found 9/3![Icelandair logo]()
$437
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Thu 10/294:40 pm -
Nonstop7h 25m
Sat 11/144:55 pm -
Nonstop8h 05m
Deal found 9/6![Icelandair logo]()
$446
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 10/204:40 pm -
Nonstop7h 20m
Sat 10/314:55 pm -
Nonstop8h 05m
Deal found 9/3![Icelandair logo]()
$447
This Kiwi.com deal was found by Cheapflights users on 9/3. 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.
Sat 12/53:40 pm -
Nonstop7h 25m
Fri 12/114:55 pm -
Nonstop8h 05m
Deal found 9/3![Icelandair logo]()
$448
Best flights from Denver to Keflavik IntlDiscover carefully curated flight deals from Denver to Keflavik Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 8, 2026.
Discover carefully curated flight deals from Denver to Keflavik Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 8, 2026.
This United Airlines deal was found by Cheapflights users on 9/6. 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 9/287:10 pm -
2 stops30h 45m
Wed 10/149:15 am -
1 stop31h 16m
Deal found 9/6![United Airlines logo]()
$468
This Icelandair deal was found by Cheapflights users on 9/7. 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 10/184:40 pm -
Nonstop7h 20m
Thu 10/224:50 pm -
Nonstop8h 10m
Deal found 9/7![Icelandair logo]()
$638
This United deal was found by Cheapflights users on 9/3. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:55 am -
2 stops19h 05m
Tue 11/173:20 pm -
1 stop31h 15m
Deal found 9/3![Multiple Airlines logo]()
$748
This United Airlines deal was found by Cheapflights users on 9/7. 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 9/176:18 pm -
1 stop32h 32m
Tue 9/2210:00 am -
1 stop30h 22m
Deal found 9/7![United Airlines logo]()
$471
This United Airlines deal was found by Cheapflights users on 9/3. 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 10/1611:35 am -
1 stop15h 10m
Sat 10/2410:00 am -
1 stop16h 17m
Deal found 9/3![United Airlines logo]()
$473
This United Airlines deal was found by Cheapflights users on 9/5. 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 11/288:25 pm -
1 stop30h 35m
Mon 12/712:00 pm -
2 stops17h 56m
Deal found 9/5![United Airlines logo]()
$481
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Wed 11/47:45 am -
1 stop19h 15m
Mon 11/1612:00 pm -
1 stop14h 45m
Deal found 9/6![United Airlines logo]()
$602
This United Airlines deal was found by Cheapflights users on 9/5. 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 11/511:59 pm -
2 stops27h 01m
Thu 11/1212:00 pm -
1 stop11h 23m
Deal found 9/5![United Airlines logo]()
$641
Last-minute flights from Denver to Keflavik IntlDiscover last-minute flight deals from Denver to Keflavik Intl. Data last updated September 8, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Keflavik Intl. Data last updated September 8, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 9/3. 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.
Sun 10/1811:35 am -
1 stop15h 10m
Sat 10/2410:00 am -
1 stop30h 35m
Deal found 9/3![Air Canada logo]()
$422
This FlightHub deal was found by Cheapflights users on 9/3. 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.
Sun 10/184:40 pm -
Nonstop7h 20m
Sat 10/244:50 pm -
Nonstop8h 10m
Deal found 9/3![Icelandair logo]()
$437
This Ticket deal was found by Cheapflights users on 9/4. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/194:40 pm -
Nonstop7h 20m
Mon 10/264:55 pm -
Nonstop8h 05m
Deal found 9/4![Icelandair logo]()
$387
This Cheapflightsfares deal was found by Cheapflights users on 9/3. 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.
Mon 10/194:40 pm -
Nonstop7h 20m
Tue 10/274:55 pm -
Nonstop8h 05m
Deal found 9/3![Icelandair logo]()
$426
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 10/204:40 pm -
Nonstop7h 20m
Sat 10/314:55 pm -
Nonstop8h 05m
Deal found 9/3![Icelandair logo]()
$447
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Thu 10/294:40 pm -
Nonstop7h 25m
Sat 11/144:55 pm -
Nonstop8h 05m
Deal found 9/6![Icelandair logo]()
$446
This Icelandair deal was found by Cheapflights users on 9/6. 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.
Sat 10/314:40 pm -
Nonstop7h 25m
Wed 11/184:55 pm -
Nonstop8h 05m
Deal found 9/6![Icelandair logo]()
$449
One-way flights from Denver to Keflavik IntlSearch for one-way flight options from Denver to Keflavik Intl. Find affordable one-way fares based on user searches. Data last updated September 8, 2026.
Search for one-way flight options from Denver to Keflavik Intl. Find affordable one-way fares based on user searches. Data last updated September 8, 2026.
This Travelocity deal was found by Cheapflights users on 9/3. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:18 pm -
2 stops31h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Air Canada logo]()
$408
This Priceline deal was found by Cheapflights users on 9/7. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/199:10 am -
2 stops16h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Air Canada logo]()
$409
This Air Canada deal was found by Cheapflights users on 9/3. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:05 pm -
1 stop32h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Air Canada logo]()
$414
This Cheapflightsfares deal was found by Cheapflights users on 9/5. 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.
Sun 11/223:40 pm -
Nonstop7h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Icelandair logo]()
$451
This Kiwi.com deal was found by Cheapflights users on 9/7. 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.
Fri 10/161:10 pm -
3 stops38h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$493
This Kiwi.com deal was found by Cheapflights users on 9/5. 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.
Sun 11/226:25 am -
2 stops40h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$519
This Cheapflightsfares deal was found by Cheapflights users on 9/3. 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.
Thu 10/154:40 pm -
Nonstop7h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Icelandair logo]()
$528
This United Airlines deal was found by Cheapflights users on 9/4. 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 10/1511:59 pm -
2 stops26h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![United Airlines logo]()
$534
Find flight deals from Denver to Keflavik Intl
Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Keflavik Intl (KEF). 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 September 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $387 (Ticket) |
Popular in | June |
Cheapest in | January |
Average price | $617 |
Good round-trip deal | $656 or less |
Good one-way deal | $295 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Denver to Keflavik Intl 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 7,457,451 searches. Data last updated September 8, 2026.
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
Cheapest round-trip
DenverReykjavik
DEN Denver Intl - KEF Reykjavik Keflavik Intl
DENKEF
Denver Intl
Mon 9/21
6:18 pm-7:55 am
2 stops31h 37m
Reykjavik Keflavik Intl
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$408
DenverReykjavik
DEN Denver Intl - KEF Reykjavik Keflavik Intl
DENKEF
Denver Intl
Fri 10/16
7:50 pm-7:55 am
2 stops30h 05m
Reykjavik Keflavik Intl
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$409
DenverReykjavik
DEN Denver Intl - KEF Reykjavik Keflavik Intl
DENKEF
Denver Intl
Thu 10/15
7:50 pm-8:45 am
2 stops30h 55m
Reykjavik Keflavik Intl
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$416
DenverReykjavik
DEN Denver Intl - KEF Reykjavik Keflavik Intl
DENKEF
Denver Intl
Sun 11/22
3:40 pm-6:05 am
Nonstop7h 25m
Reykjavik Keflavik Intl
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$451
DenverReykjavik
DEN Denver Intl - KEF Reykjavik Keflavik Intl
DENKEF
Denver Intl
Mon 9/28
7:10 pm-7:55 am
2 stops30h 45m
Reykjavik Keflavik Intl
Wed 10/14
9:15 am-10:31 am
1 stop31h 16m
$468
DenverReykjavik
DEN Denver Intl - KEF Reykjavik Keflavik Intl
DENKEF
Denver Intl
Thu 9/17
6:18 pm-8:50 am
1 stop32h 32m
Reykjavik Keflavik Intl
Tue 9/22
10:00 am-10:22 am
1 stop30h 22m
$471
DenverReykjavik
DEN Denver Intl - KEF Reykjavik Keflavik Intl
DENKEF
Denver Intl
Fri 10/16
11:35 am-8:45 am
1 stop15h 10m
Reykjavik Keflavik Intl
Sat 10/24
10:00 am-8:17 pm
1 stop16h 17m
$473
DenverReykjavik
DEN Denver Intl - KEF Reykjavik Keflavik Intl
DENKEF
Denver Intl
Sat 11/28
8:25 pm-10:00 am
1 stop30h 35m
Reykjavik Keflavik Intl
Mon 12/7
12:00 pm-10:56 pm
2 stops17h 56m
$481
DenverReykjavik
DEN Denver Intl - KEF Reykjavik Keflavik Intl
DENKEF
Denver Intl
Fri 10/16
1:10 pm-9:55 am
3 stops38h 45m
Reykjavik Keflavik Intl
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$493
Quickest round-trip
DenverReykjavik
DEN Denver Intl - KEF Reykjavik Keflavik Intl
DENKEF
Denver Intl
Thu 10/15
4:40 pm-6:00 am
Nonstop7h 20m
Reykjavik Keflavik Intl
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$528
Showing 1-10 of 17 resultsSorted by cheapest first
Compare providers for flights from Denver to Keflavik Intl
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 Keflavik Intl in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars |
- Most accurate provider: When it comes to deals on Denver-Reykjavik Keflavik Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Denver-Reykjavik Keflavik Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Denver-Reykjavik Keflavik Intl Airport 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 Keflavik Intl Airport 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 Keflavik Intl
Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Denver with our price prediction graph.
DEN-KEF
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 Keflavik Intl Airport
Prices
Airlines
How far ahead should I book a flight from Denver to Reykjavik Keflavik Intl Airport?
To ensure you get the cheapest price possible for a flight from Denver to Reykjavik Keflavik Intl Airport, you should look to book at least 3 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Denver to Reykjavik Keflavik Intl Airport?
Currently, January is the cheapest month in which you can book a flight from Denver to Reykjavik Keflavik Intl Airport (average of $520). Flying from Denver to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $749). 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 KEF?
Find hourly flight availability from Denver to Keflavik Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 8, 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 Keflavik Intl Airport as you normally would.
Reviews of airlines servicing Keflavik Intl
Get insights into the airlines that provide service to Keflavik Intl. 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 Keflavik Intl. Reviews last updated September 8, 2026.
Peruse reviews from past customers who have flown with United Airlines and Icelandair from Denver to Reykjavik Keflavik Intl Airport 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.
Overall
7.4
Comfort
7.3
Crew
8.1
Entertainment
7.1
Boarding
7.7
Food
6.7
Reviews
1 / 20
10.0
ExcellentMichelle,Dec 2025
DEN - MKE
Overall
7.4
Comfort
7.3
Crew
8.1
Entertainment
7.1
Boarding
7.7
Food
6.7
Reviews
1 / 20
10.0
ExcellentMichelle,Dec 2025
DEN - MKE
Overall
7.4
Comfort
7.3
Crew
8.1
Entertainment
7.1
Boarding
7.7
Food
6.7
Reviews
1 / 20
10.0
ExcellentMichelle,Dec 2025
DEN - MKE
Related info for your journey
Find useful and relevant information for your journey from Denver to Keflavik Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Reykjavik Keflavik Intl Airport?
Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locationsKeflavik
Hveragerdi
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Complete your trip to Keflavik Intl by adding a car rental and/or hotel reservation to your travel itinerary.
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Other flights to Keflavik Intl
Explore flights to Keflavik Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 8, 2026.
Denver and Keflavik Intl flights
Browse other Denver and Keflavik Intl flight options. Last updated on September 8, 2026.
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Browse through other flights departing from Denver. Flights are based on user searches made on Cheapflights and were last updated on September 8, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Denver to Keflavik Intl
Discover the top 2 airlines that operate flights from Denver to Keflavik Intl. 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 7,457,451 searches. Data last updated September 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$431 | Average$454 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$448 | Average$632 | FlexibilityNo cancel fee | On-time76% |