$375+ Cheap flights from Colorado to Iceland
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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — KEF
Dec 4 — Dec 111
Round-trip
1 adult, Economy
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Find cheap flights from Colorado to Iceland 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
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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 Colorado to Iceland
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Best
Last-minute
One-way
Cheapest flights from Colorado to IcelandExplore the most affordable flight options available from Colorado to Iceland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 4, 2026.
Explore the most affordable flight options available from Colorado to Iceland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 4, 2026.
This United Airlines deal was found by Cheapflights users on 11/4. 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.
Wed 12/21:25 pm -
2 stops13h 35m
Sat 12/1212:00 pm -
2 stops18h 29m
Deal found 11/4![United Airlines logo]()
$534
This United Airlines deal was found by Cheapflights users on 10/31. 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 12/23:50 pm -
1 stop11h 10m
Thu 12/1012:00 pm -
1 stop11h 28m
Deal found 10/31![United Airlines logo]()
$542
This United Airlines deal was found by Cheapflights users on 11/4. 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 11/123:37 pm -
2 stops35h 23m
Thu 11/1912:00 pm -
1 stop18h 31m
Deal found 11/4![United Airlines logo]()
$547
This United Airlines deal was found by Cheapflights users on 10/31. 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.
Sun 11/296:00 am -
1 stop21h 00m
Sat 12/1212:00 pm -
1 stop11h 28m
Deal found 10/31![United Airlines logo]()
$548
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Mon 12/75:55 pm -
2 stops57h 05m
Mon 12/1412:00 pm -
1 stop13h 03m
Deal found 11/3![United Airlines logo]()
$559
This Cheapflightsfares deal was found by Cheapflights users on 11/1. 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.
Sat 11/283:40 pm -
Nonstop7h 25m
Mon 12/74:55 pm -
Nonstop8h 05m
Deal found 11/1![Icelandair logo]()
$562
This Gotogate deal was found by Cheapflights users on 10/31. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/123:40 pm -
Nonstop7h 25m
Wed 11/184:55 pm -
Nonstop8h 05m
Deal found 10/31![Icelandair logo]()
$564
This deal was found by Cheapflights users on 11/3. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/303:40 pm -
Nonstop7h 25m
Sun 1/104:55 pm -
Nonstop8h 05m
Deal found 11/3![Icelandair logo]()
$566
This Expedia deal was found by Cheapflights users on 11/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/43:40 pm -
Nonstop7h 25m
Sun 12/134:55 pm -
Nonstop8h 05m
Deal found 11/4![Icelandair logo]()
$570
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 12/43:40 pm -
Nonstop7h 25m
Tue 12/84:55 pm -
Nonstop8h 05m
Deal found 10/31![Icelandair logo]()
$590
This Icelandair deal was found by Cheapflights users on 10/31. 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 11/283:40 pm -
Nonstop7h 25m
Tue 12/84:55 pm -
Nonstop8h 05m
Deal found 10/31![Icelandair logo]()
$591
This United deal was found by Cheapflights users on 11/2. 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.
Wed 12/23:12 pm -
1 stop11h 48m
Sun 12/63:20 pm -
1 stop31h 15m
Deal found 11/2![Multiple Airlines logo]()
$595
Best flights from Colorado to IcelandDiscover carefully curated flight deals from Colorado to Iceland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 4, 2026.
Discover carefully curated flight deals from Colorado to Iceland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 4, 2026.
This United Airlines deal was found by Cheapflights users on 11/4. 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.
Mon 12/78:30 pm -
2 stops54h 30m
Mon 12/1412:00 pm -
2 stops29h 24m
Deal found 11/4![United Airlines logo]()
$559
This KAYAK deal was found by Cheapflights users on 10/30. 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.
Mon 12/73:55 pm -
1 stop15h 30m
Mon 12/1412:00 pm -
1 stop14h 45m
Deal found 10/30![Multiple Airlines logo]()
$630
This oojo deal was found by Cheapflights users on 10/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/73:40 pm -
Nonstop7h 25m
Mon 12/145:00 pm -
1 stop27h 22m
Deal found 10/30![Icelandair logo]()
$730
This Delta deal was found by Cheapflights users on 11/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/312:59 am -
2 stops26h 31m
Sun 4/1111:25 am -
1 stop29h 28m
Deal found 11/4![Delta logo]()
$836
This Finnair deal was found by Cheapflights users on 11/1. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/65:01 pm -
2 stops33h 14m
Sat 3/1310:00 am -
2 stops36h 10m
Deal found 11/1![Finnair logo]()
$893
This United Airlines deal was found by Cheapflights users on 10/31. 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 11/287:40 pm -
2 stops31h 20m
Mon 12/712:00 pm -
1 stop13h 03m
Deal found 10/31![United Airlines logo]()
$657
This Justfly.com deal was found by Cheapflights users on 10/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/253:40 pm -
Nonstop7h 25m
Sun 1/314:50 pm -
1 stop26h 10m
Deal found 10/30![Multiple Airlines logo]()
$752
This Icelandair deal was found by Cheapflights users on 11/2. 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.
Wed 2/311:10 am -
2 stops12h 20m
Mon 2/84:50 pm -
1 stop26h 10m
Deal found 11/2![Multiple Airlines logo]()
$845
Last-minute flights from Colorado to IcelandDiscover last-minute flight deals from Colorado to Iceland. Data last updated November 4, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado to Iceland. Data last updated November 4, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Thu 11/1211:59 pm -
2 stops27h 01m
Thu 11/1912:00 pm -
1 stop14h 45m
Deal found 11/3![United Airlines logo]()
$547
This Gotogate deal was found by Cheapflights users on 10/31. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/123:40 pm -
Nonstop7h 25m
Wed 11/184:55 pm -
Nonstop8h 05m
Deal found 10/31![Icelandair logo]()
$564
This Cheapflightsfares deal was found by Cheapflights users on 11/1. 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.
Sat 11/283:40 pm -
Nonstop7h 25m
Mon 12/74:55 pm -
Nonstop8h 05m
Deal found 11/1![Icelandair logo]()
$562
This Icelandair deal was found by Cheapflights users on 10/31. 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 11/283:40 pm -
Nonstop7h 25m
Tue 12/84:55 pm -
Nonstop8h 05m
Deal found 10/31![Icelandair logo]()
$591
This United Airlines deal was found by Cheapflights users on 10/31. 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.
Sun 11/296:00 am -
1 stop21h 00m
Sat 12/1212:00 pm -
1 stop11h 28m
Deal found 10/31![United Airlines logo]()
$548
This United Airlines deal was found by Cheapflights users on 11/4. 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.
Wed 12/23:12 pm -
1 stop11h 48m
Mon 12/1412:00 pm -
1 stop13h 03m
Deal found 11/4![United Airlines logo]()
$534
This United Airlines deal was found by Cheapflights users on 10/31. 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 12/23:50 pm -
1 stop11h 10m
Thu 12/1012:00 pm -
1 stop11h 28m
Deal found 10/31![United Airlines logo]()
$542
This United deal was found by Cheapflights users on 11/2. 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.
Wed 12/23:12 pm -
1 stop11h 48m
Sun 12/63:20 pm -
1 stop31h 15m
Deal found 11/2![Multiple Airlines logo]()
$595
This Expedia deal was found by Cheapflights users on 11/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/43:40 pm -
Nonstop7h 25m
Sun 12/134:55 pm -
Nonstop8h 05m
Deal found 11/4![Icelandair logo]()
$570
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 12/43:40 pm -
Nonstop7h 25m
Tue 12/84:55 pm -
Nonstop8h 05m
Deal found 10/31![Icelandair logo]()
$590
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Mon 12/75:55 pm -
2 stops57h 05m
Mon 12/1412:00 pm -
1 stop13h 03m
Deal found 11/3![United Airlines logo]()
$559
This deal was found by Cheapflights users on 11/3. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/303:40 pm -
Nonstop7h 25m
Sun 1/104:55 pm -
Nonstop8h 05m
Deal found 11/3![Icelandair logo]()
$566
One-way flights from Colorado to IcelandSearch for one-way flight options from Colorado to Iceland. Find affordable one-way fares based on user searches. Data last updated November 4, 2026.
Search for one-way flight options from Colorado to Iceland. Find affordable one-way fares based on user searches. Data last updated November 4, 2026.
This American Airlines deal was found by Cheapflights users on 11/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/216:40 pm -
1 stop33h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![American Airlines logo]()
$375
This Delta deal was found by Cheapflights users on 11/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2412:59 am -
2 stops23h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Delta logo]()
$380
This Delta deal was found by Cheapflights users on 11/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/16:15 pm -
2 stops33h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Delta logo]()
$386
This oojo deal was found by Cheapflights users on 11/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/123:40 pm -
Nonstop7h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Icelandair logo]()
$419
This oojo deal was found by Cheapflights users on 10/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/313:40 pm -
Nonstop7h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![Icelandair logo]()
$420
This KLM deal was found by Cheapflights users on 11/2. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/296:30 am -
1 stop21h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![KLM logo]()
$440
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/71:46 pm -
3 stops44h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Multiple Airlines logo]()
$441
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 4/274:00 pm -
3 stops34h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$453
This Mytrip deal was found by Cheapflights users on 11/1. 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.
Wed 4/2111:25 am -
3 stops23h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Multiple Airlines logo]()
$454
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/19:50 am -
3 stops55h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$457
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 4/264:00 pm -
3 stops33h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$463
This FlightHub deal was found by Cheapflights users on 11/2. 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 4/274:40 pm -
Nonstop7h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Icelandair logo]()
$469
Find flight deals from Colorado to Iceland
Keep the following information in mind while searching for Colorado to Iceland flight deals. Data was last updated November 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $534 (United Airlines) |
One-way from | $375 (American Airlines) |
Popular in | June |
Cheapest in | February |
Average price | $591 |
Good round-trip deal | $584 or less |
Good one-way deal | $295 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Colorado 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 7,457,451 searches. Data last updated November 4, 2026.
Use the filters below to find and compare flights from Colorado to Iceland 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 12/7
1:46 pm-5:15 pm
3 stops44h 29m
Reykjavik Keflavik Intl
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$441
DenverReykjavik
DEN Denver Intl - KEF Reykjavik Keflavik Intl
DENKEF
Denver Intl
Sat 11/14
8:55 pm-11:00 am
3 stops55h 05m
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
Sat 11/14
3:40 pm-6:05 am
Nonstop7h 25m
Reykjavik Keflavik Intl
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$550
DenverReykjavik
DEN Denver Intl - KEF Reykjavik Keflavik Intl
DENKEF
Denver Intl
Wed 12/16
1:26 pm-10:00 am
2 stops13h 34m
Reykjavik Keflavik Intl
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$551
DenverReykjavik
DEN Denver Intl - KEF Reykjavik Keflavik Intl
DENKEF
Denver Intl
Sun 11/15
11:15 am-10:00 am
1 stop15h 45m
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
Tue 12/1
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
Mon 12/7
8:30 pm-10:00 am
2 stops54h 30m
Reykjavik Keflavik Intl
Mon 12/14
12:00 pm-10:24 am
2 stops29h 24m
$559
DenverReykjavik
DEN Denver Intl - KEF Reykjavik Keflavik Intl
DENKEF
Denver Intl
Sat 12/12
7:10 pm-10:00 am
2 stops31h 50m
Reykjavik Keflavik Intl
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$561
DenverReykjavik
DEN Denver Intl - KEF Reykjavik Keflavik Intl
DENKEF
Denver Intl
Mon 12/7
3:55 pm-2:25 pm
1 stop15h 30m
Reykjavik Keflavik Intl
Mon 12/14
12:00 pm-7:45 pm
1 stop14h 45m
$630
DenverReykjavik
DEN Denver Intl - KEF Reykjavik Keflavik Intl
DENKEF
Denver Intl
Sat 11/28
7:40 pm-10:00 am
2 stops31h 20m
Reykjavik Keflavik Intl
Mon 12/7
12:00 pm-6:03 pm
1 stop13h 03m
$657
Showing 1-10 of 15 resultsSorted by cheapest first
Best time to book a flight from Colorado to Iceland
Have a flexible travel schedule? Discover the best time to fly to Iceland from Colorado 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 Colorado to Iceland
USCO-IS0
DEN-KEF
What is the cheapest month to book a flight from Colorado to Iceland?
Currently, February is the cheapest month in which you can book a flight from Colorado to Iceland (average of $513). Flying from Colorado to Iceland in August is currently the most expensive (average of $746). 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 CO to IS?
Find hourly flight availability from Colorado 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 November 4, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Colorado to Iceland as you normally would.
Weekly flight availability from Colorado to Iceland
Explore weekly flight availability from Colorado to Iceland. 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 November 4, 2026.
The most flights from USCO 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 Colorado to Iceland?
The best time to book flights from Colorado to Iceland is 5 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Related info for your journey
Find useful and relevant information for your journey from Colorado to Iceland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Colorado to Iceland
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Iceland by adding a car rental and/or hotel reservation to your travel itinerary.
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Colorado and Iceland flights
Browse other Colorado and Iceland flight options. Last updated on November 4, 2026.
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Colorado to Iceland flights
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Top 2 airlines flying from Colorado to Iceland
Discover the top 2 airlines that operate flights from Colorado 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 7,457,451 searches. Data last updated November 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$431 | Average$485 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$448 | Average$639 | FlexibilityNo cancel fee | On-time76% |