$309+ Cheap flights from Colorado to Iceland
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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — KEF
Aug 3 — Aug 101
Round-trip
1 adult, Economy
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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 July 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 July 4, 2026.
This FlightHub deal was found by Cheapflights users on 7/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/74:40 pm
DEN
- KEF
Nonstop7h 20m
Icelandair
Tue 10/134:50 pm
KEF
- DEN
Nonstop8h 10m
Icelandair
Deal found 7/1![Icelandair logo]()
$579
This United Airlines deal was found by Cheapflights users on 6/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:45 am
DEN
- KEF
1 stop19h 15m
United Airlines
Sat 11/1412:00 pm
KEF
- DEN
1 stop14h 54m
United Airlines
Deal found 6/30![United Airlines logo]()
$581
This United Airlines deal was found by Cheapflights users on 6/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:31 pm
DEN
- KEF
2 stops32h 29m
United Airlines
Thu 11/1212:00 pm
KEF
- DEN
1 stop17h 22m
United Airlines
Deal found 6/30![United Airlines logo]()
$586
This United Airlines deal was found by Cheapflights users on 6/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/287:05 pm
DEN
- KEF
1 stop31h 55m
United Airlines
Mon 12/712:00 pm
KEF
- DEN
1 stop18h 58m
United Airlines
Deal found 6/30![United Airlines logo]()
$587
This Kiwi.com deal was found by Cheapflights users on 6/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/294:40 pm
DEN
- KEF
Nonstop7h 25m
Icelandair
Mon 11/94:55 pm
KEF
- DEN
Nonstop8h 05m
Icelandair
Deal found 6/30![Icelandair logo]()
$588
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/54:40 pm
DEN
- KEF
Nonstop7h 20m
Icelandair
Tue 10/134:50 pm
KEF
- DEN
Nonstop8h 10m
Icelandair
Deal found 7/1![Icelandair logo]()
$589
This Icelandair deal was found by Cheapflights users on 7/2. 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.
Tue 11/33:40 pm
DEN
- KEF
Nonstop7h 25m
Icelandair
Sat 11/74:55 pm
KEF
- DEN
Nonstop8h 05m
Icelandair
Deal found 7/2![Icelandair logo]()
$590
This Justfly.com deal was found by Cheapflights users on 6/30. 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.
Wed 8/198:10 pm
DEN
- KEF
Nonstop7h 15m
Icelandair
Tue 9/110:45 am
KEF
- DEN
Nonstop7h 55m
Icelandair
Deal found 6/30![Icelandair logo]()
$592
This Delta deal was found by Cheapflights users on 7/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/258:45 am
DEN
- KEF
1 stop16h 15m
Delta
Fri 10/211:25 am
KEF
- DEN
1 stop17h 10m
Delta
Deal found 7/3![Delta logo]()
$596
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 8/319:55 am
DEN
- KEF
1 stop14h 45m
Multiple Airlines
Wed 9/94:25 pm
KEF
- DEN
1 stop14h 04m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$600
This Kiwi.com deal was found by Cheapflights users on 7/3. 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.
Sun 7/198:10 pm
DEN
- KEF
Nonstop7h 15m
Icelandair
Wed 7/2910:45 am
KEF
- DEN
Nonstop7h 55m
Icelandair
Deal found 7/3![Icelandair logo]()
$601
This Orbitz deal was found by Cheapflights users on 7/1. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3011:30 am
COS
- KEF
2 stops39h 15m
Air Canada
Sun 9/610:00 am
KEF
- COS
2 stops37h 53m
Air Canada
Deal found 7/1![Air Canada logo]()
$1,036
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 July 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 July 4, 2026.
This Icelandair deal was found by Cheapflights users on 6/29. 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 8/308:10 pm
DEN
- KEF
Nonstop7h 15m
Icelandair
Thu 9/34:50 pm
KEF
- DEN
Nonstop8h 10m
Icelandair
Deal found 6/29![Icelandair logo]()
$603
This KLM deal was found by Cheapflights users on 7/2. 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.
Sat 9/511:04 am
DEN
- KEF
1 stop13h 56m
Multiple Airlines
Sun 9/139:30 am
KEF
- DEN
1 stop20h 05m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$609
This Delta deal was found by Cheapflights users on 7/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:05 am
DEN
- KEF
2 stops21h 25m
Delta
Sun 9/139:30 am
KEF
- DEN
1 stop20h 05m
Delta
Deal found 7/3![Delta logo]()
$614
This United Airlines deal was found by Cheapflights users on 7/3. 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 8/219:40 am
DEN
- KEF
1 stop16h 15m
United Airlines
Fri 8/289:15 am
KEF
- DEN
1 stop31h 18m
United Airlines
Deal found 7/3![United Airlines logo]()
$656
This Alaska Airlines deal was found by Cheapflights users on 7/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/286:02 am
DEN
- KEF
1 stop20h 58m
Alaska Airlines
Wed 7/2912:45 pm
KEF
- DEN
1 stop16h 00m
Alaska Airlines
Deal found 7/3![Alaska Airlines logo]()
$701
This Alaska Airlines deal was found by Cheapflights users on 7/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:02 am
DEN
- KEF
1 stop20h 58m
Alaska Airlines
Sat 7/1112:45 pm
KEF
- DEN
1 stop13h 28m
Alaska Airlines
Deal found 7/3![Alaska Airlines logo]()
$746
This United Airlines deal was found by Cheapflights users on 7/3. 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.
Sun 9/611:25 am
DEN
- KEF
1 stop14h 30m
United Airlines
Sat 9/1210:00 am
KEF
- DEN
1 stop13h 56m
United Airlines
Deal found 7/3![United Airlines logo]()
$746
This Icelandair deal was found by Cheapflights users on 7/1. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/94:40 pm
DEN
- KEF
Nonstop7h 20m
Multiple Airlines
Sun 9/207:50 pm
KEF
- DEN
1 stop20h 30m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$846
This Icelandair deal was found by Cheapflights users on 7/3. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/274:40 pm
DEN
- KEF
Nonstop7h 20m
Icelandair
Tue 7/2810:45 am
KEF
- DEN
Nonstop7h 55m
Icelandair
Deal found 7/3![Icelandair logo]()
$867
This Alaska Airlines deal was found by Cheapflights users on 7/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/276:02 am
DEN
- KEF
1 stop20h 58m
Alaska Airlines
Tue 7/2812:45 pm
KEF
- DEN
1 stop13h 25m
Alaska Airlines
Deal found 7/3![Alaska Airlines logo]()
$836
This Icelandair deal was found by Cheapflights users on 7/1. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:10 pm
DEN
- KEF
Nonstop7h 15m
Multiple Airlines
Sun 9/207:50 pm
KEF
- DEN
1 stop20h 30m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$846
This Air Canada deal was found by Cheapflights users on 7/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/3011:31 am
COS
- KEF
3 stops14h 24m
Air Canada
Thu 8/69:15 am
KEF
- COS
3 stops16h 16m
Air Canada
Deal found 7/2![Air Canada logo]()
$1,874
This United Airlines deal was found by Cheapflights users on 6/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/712:40 pm
DEN
- KEF
2 stops13h 50m
United Airlines
Mon 8/1012:00 pm
KEF
- DEN
1 stop17h 49m
United Airlines
Deal found 6/30![United Airlines logo]()
$859
This United Airlines deal was found by Cheapflights users on 7/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3011:55 am
COS
- KEF
1 stop14h 55m
United Airlines
Sun 9/610:00 am
KEF
- COS
2 stops30h 33m
United Airlines
Deal found 7/1![United Airlines logo]()
$1,038
This KAYAK deal was found by Cheapflights users on 6/29. 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 9/71:34 pm
DRO
- KEF
2 stops13h 16m
Multiple Airlines
Sat 9/1912:00 pm
KEF
- DRO
2 stops16h 00m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$1,057
This United Airlines deal was found by Cheapflights users on 7/2. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/305:44 am
COS
- KEF
1 stop21h 06m
United Airlines
Thu 8/610:00 am
KEF
- COS
2 stops32h 23m
United Airlines
Deal found 7/2![United Airlines logo]()
$1,048
This BusinessClass deal was found by Cheapflights users on 7/1. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1712:40 pm
DRO
- KEF
2 stops38h 45m
British Airways
Fri 10/210:30 am
KEF
- DRO
2 stops38h 59m
British Airways
Deal found 7/1![British Airways logo]()
$2,817
This Air Canada deal was found by Cheapflights users on 7/1. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3011:55 am
COS
- KEF
2 stops14h 50m
Multiple Airlines
Sun 9/610:00 am
KEF
- COS
3 stops15h 31m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$1,074
This United Airlines deal was found by Cheapflights users on 7/3. 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 9/710:25 am
DRO
- KEF
2 stops16h 05m
United Airlines
Sat 9/1911:30 am
KEF
- DRO
2 stops16h 30m
United Airlines
Deal found 7/3![United Airlines logo]()
$1,058
This Air Canada deal was found by Cheapflights users on 7/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/306:00 am
COS
- KEF
2 stops19h 55m
Multiple Airlines
Thu 8/69:15 am
KEF
- COS
3 stops16h 16m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$1,249
This United Airlines deal was found by Cheapflights users on 7/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/910:23 am
COS
- KEF
2 stops16h 07m
United Airlines
Sat 8/1512:00 pm
KEF
- COS
2 stops26h 40m
United Airlines
Deal found 7/1![United Airlines logo]()
$1,782
This BusinessClass deal was found by Cheapflights users on 6/29. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/710:25 am
DRO
- KEF
2 stops16h 25m
Lufthansa
Fri 9/1812:25 am
KEF
- DRO
2 stops26h 29m
Lufthansa
Deal found 6/29![Lufthansa logo]()
$6,625
This Air Canada deal was found by Cheapflights users on 7/1. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/911:31 am
COS
- KEF
3 stops14h 24m
Multiple Airlines
Sat 8/159:15 am
KEF
- COS
2 stops17h 29m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$3,379
Last-minute flights from Colorado to IcelandDiscover last-minute flight deals from Colorado to Iceland. Data last updated July 4, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado to Iceland. Data last updated July 4, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 7/1. 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.
Mon 7/68:10 pm
DEN
- KEF
Nonstop7h 15m
Icelandair
Thu 7/1610:45 am
KEF
- DEN
Nonstop7h 55m
Icelandair
Deal found 7/1![Icelandair logo]()
$605
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/114:40 pm
DEN
- KEF
Nonstop7h 20m
Icelandair
Tue 7/2110:45 am
KEF
- DEN
Nonstop7h 55m
Icelandair
Deal found 7/1![Icelandair logo]()
$602
This deal was found by Cheapflights users on 7/2. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/194:40 pm
DEN
- KEF
Nonstop7h 20m
Icelandair
Fri 7/2410:45 am
KEF
- DEN
Nonstop7h 55m
Icelandair
Deal found 7/2![Icelandair logo]()
$581
This Kiwi.com deal was found by Cheapflights users on 7/3. 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.
Sun 7/194:40 pm
DEN
- KEF
Nonstop7h 20m
Icelandair
Thu 7/3010:45 am
KEF
- DEN
Nonstop7h 55m
Icelandair
Deal found 7/3![Icelandair logo]()
$601
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/299:08 pm
DEN
- KEF
1 stop29h 52m
Alaska Airlines
Mon 8/312:45 pm
KEF
- DEN
1 stop17h 14m
Alaska Airlines
Deal found 7/1![Alaska Airlines logo]()
$616
This Super.com deal was found by Cheapflights users on 7/2. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/308:10 pm
DEN
- KEF
Nonstop7h 15m
Icelandair
Thu 8/610:45 am
KEF
- DEN
Nonstop7h 55m
Icelandair
Deal found 7/2![Icelandair logo]()
$586
This Icelandair deal was found by Cheapflights users on 6/30. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/184:40 pm
DEN
- KEF
Nonstop7h 20m
Icelandair
Mon 8/3110:45 am
KEF
- DEN
Nonstop7h 55m
Icelandair
Deal found 6/30![Icelandair logo]()
$604
This Justfly.com deal was found by Cheapflights users on 6/30. 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.
Wed 8/198:10 pm
DEN
- KEF
Nonstop7h 15m
Icelandair
Tue 9/110:45 am
KEF
- DEN
Nonstop7h 55m
Icelandair
Deal found 6/30![Icelandair logo]()
$592
This Icelandair deal was found by Cheapflights users on 6/29. 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.
Thu 8/204:40 pm
DEN
- KEF
Nonstop7h 20m
Icelandair
Mon 8/3110:45 am
KEF
- DEN
Nonstop7h 55m
Icelandair
Deal found 6/29![Icelandair logo]()
$603
This Delta deal was found by Cheapflights users on 7/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/202:22 pm
DEN
- KEF
1 stop11h 18m
Delta
Mon 8/3111:25 am
KEF
- DEN
1 stop17h 19m
Delta
Deal found 7/1![Delta logo]()
$609
This KLM deal was found by Cheapflights users on 7/3. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/284:00 pm
DEN
- KEF
1 stop9h 00m
KLM
Fri 9/259:30 am
KEF
- DEN
2 stops19h 10m
KLM
Deal found 7/3![KLM logo]()
$614
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 8/319:55 am
DEN
- KEF
1 stop14h 45m
Multiple Airlines
Wed 9/94:25 pm
KEF
- DEN
1 stop14h 04m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$600
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 July 4, 2026.
Search for one-way flight options from Colorado to Iceland. Find affordable one-way fares based on user searches. Data last updated July 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 9/112:15 pm
DEN
- KEF
1 stop13h 25m
WestJet
Deal found 6/29![WestJet logo]()
$309
This Trip.com deal was found by Cheapflights users on 7/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/512:15 pm
DEN
- KEF
1 stop13h 25m
WestJet
Deal found 7/1![WestJet logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 8/2912:15 pm
DEN
- KEF
1 stop13h 25m
WestJet
Deal found 6/29![WestJet logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 6/29. 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.
Wed 8/1912:15 pm
DEN
- KEF
1 stop13h 25m
WestJet
Deal found 6/29![WestJet logo]()
$324
This Kiwi.com deal was found by Cheapflights users on 6/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1812:15 pm
DEN
- KEF
1 stop13h 25m
WestJet
Deal found 6/30![WestJet logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 7/2. 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.
Fri 9/1812:15 pm
DEN
- KEF
1 stop13h 25m
WestJet
Deal found 7/2![WestJet logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 7/2812:15 pm
DEN
- KEF
1 stop13h 25m
WestJet
Deal found 7/3![WestJet logo]()
$340
This Kiwi.com deal was found by Cheapflights users on 7/2. 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.
Sun 8/3012:15 pm
DEN
- KEF
1 stop13h 25m
WestJet
Deal found 7/2![WestJet logo]()
$341
This Kiwi.com deal was found by Cheapflights users on 6/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1712:15 pm
DEN
- KEF
1 stop13h 25m
WestJet
Deal found 6/30![WestJet logo]()
$343
This Mytrip deal was found by Cheapflights users on 6/29. 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 8/257:45 pm
DEN
- KEF
3 stops29h 55m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$346
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 July 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $581 |
One-way from | $309 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $642 |
Good round-trip deal | $707 or less |
Good one-way deal | $313 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 2,558,603 searches. Data last updated July 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 - KEF
DENKEF
Denver Intl
Sun 8/30
8:10 pm-9:25 am
Nonstop7h 15m
Reykjavik Keflavik Intl
Thu 9/3
4:50 pm-7:00 pm
Nonstop8h 10m
$603
DenverReykjavik
DEN - KEF
DENKEF
Denver Intl
Sat 9/5
11:04 am-7:00 am
1 stop13h 56m
Reykjavik Keflavik Intl
Sun 9/13
9:30 am-11:35 pm
1 stop20h 05m
$609
DenverReykjavik
DEN - KEF
DENKEF
Denver Intl
Wed 8/26
6:05 am-9:30 am
2 stops21h 25m
Reykjavik Keflavik Intl
Sun 9/13
9:30 am-11:35 pm
1 stop20h 05m
$614
DenverReykjavik
DEN - KEF
DENKEF
Denver Intl
Fri 8/21
9:40 am-7:55 am
1 stop16h 15m
Reykjavik Keflavik Intl
Fri 8/28
9:15 am-10:33 am
1 stop31h 18m
$656
DenverReykjavik
DEN - KEF
DENKEF
Denver Intl
Tue 7/28
6:02 am-9:00 am
1 stop20h 58m
Reykjavik Keflavik Intl
Wed 7/29
12:45 pm-10:45 pm
1 stop16h 00m
$701
DenverReykjavik
DEN - KEF
DENKEF
Denver Intl
Wed 7/8
6:02 am-9:00 am
1 stop20h 58m
Reykjavik Keflavik Intl
Sat 7/11
12:45 pm-8:13 pm
1 stop13h 28m
$746
DenverReykjavik
DEN - KEF
DENKEF
Denver Intl
Sun 9/6
11:25 am-7:55 am
1 stop14h 30m
Reykjavik Keflavik Intl
Sat 9/12
10:00 am-5:56 pm
1 stop13h 56m
$746
DenverReykjavik
DEN - KEF
DENKEF
Denver Intl
Mon 7/27
6:02 am-9:00 am
1 stop20h 58m
Reykjavik Keflavik Intl
Tue 7/28
12:45 pm-8:10 pm
1 stop13h 25m
$836
DenverReykjavik
DEN - KEF
DENKEF
Denver Intl
Wed 9/9
4:40 pm-6:00 am
Nonstop7h 20m
Reykjavik Keflavik Intl
Sun 9/20
7:50 pm-10:20 am
1 stop20h 30m
$846
DenverReykjavik
DEN - KEF
DENKEF
Denver Intl
Fri 9/11
8:10 pm-9:25 am
Nonstop7h 15m
Reykjavik Keflavik Intl
Sun 9/20
7:50 pm-10:20 am
1 stop20h 30m
$846
Showing 1-10 of 32 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
COS-KEF
DRO-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
COS-KEF
DRO-KEF
What is the cheapest month to book a flight from Colorado to Iceland?
Currently, November is the cheapest month in which you can book a flight from Colorado to Iceland (average of $356). Flying from Colorado to Iceland in July is currently the most expensive (average of $523). 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 July 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 July 4, 2026.
The most flights from USCO to IS0 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 far ahead should I book a flight from Colorado to Iceland?
The best time to book flights from Colorado to Iceland is 56 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.
Browse thousands of different options on Cheapflights for your next trip
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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.
Search flights from Colorado to Iceland by cabin class
Find flights from Colorado to Iceland, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Colorado and Iceland flights
Browse other Colorado and Iceland flight options. Last updated on July 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Iceland
Find the right flight back to Colorado after your stay in Iceland
Colorado to Iceland flights
Consider these flights traveling from Colorado to Iceland.
Top airline flying from Colorado to Iceland
Discover the top airline 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 2,558,603 searches. Data last updated July 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$415 | Average$627 | FlexibilityNo cancel fee | On-time76% |