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$197+ Cheap flights from Colorado to Europe

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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — CPH
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
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Cheap flight deals from Colorado to Europe

Cheapest flights from Colorado to Europe
Explore the most affordable flight options available from Colorado to Europe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 27, 2026.

This United Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/159:40 am
DEN
-
KEF
1 stop16h 15m
United Airlines
Fri 10/239:15 am
KEF
-
DEN
2 stops33h 06m
United Airlines
Deal found 7/27$415
This United Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:00 am
DEN
-
KEF
1 stop20h 30m
United Airlines
Fri 10/29:15 am
KEF
-
DEN
2 stops39h 10m
United Airlines
Deal found 7/27$416
This United Airlines deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:10 pm
DEN
-
KEF
2 stops30h 45m
United Airlines
Fri 10/29:15 am
KEF
-
DEN
2 stops39h 10m
United Airlines
Deal found 7/26$419
This United Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1211:35 am
DEN
-
KEF
1 stop15h 10m
United Airlines
Fri 10/169:15 am
KEF
-
DEN
2 stops39h 10m
United Airlines
Deal found 7/27$420
This United Airlines deal was found by Cheapflights users on 7/22. 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 10/46:00 am
DEN
-
KEF
1 stop20h 50m
United Airlines
Tue 10/1310:00 am
KEF
-
DEN
2 stops35h 17m
United Airlines
Deal found 7/22$421
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/198:29 pm
DEN
-
KEF
1 stop30h 21m
United Airlines
Thu 10/110:00 am
KEF
-
DEN
1 stop30h 22m
United Airlines
Deal found 7/22$422
This Flightnetwork deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2711:30 am
DEN
-
KEF
2 stops14h 25m
Air Canada
Tue 8/49:15 am
KEF
-
DEN
1 stop15h 40m
Air Canada
Deal found 7/23$423
This United Airlines deal was found by Cheapflights users on 7/22. 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 10/76:00 am
DEN
-
KEF
2 stops20h 45m
United Airlines
Wed 10/149:15 am
KEF
-
DEN
2 stops37h 38m
United Airlines
Deal found 7/22$424
This Air Canada deal was found by Cheapflights users on 7/22. 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.
Wed 9/1611:35 am
DEN
-
KEF
1 stop15h 10m
Air Canada
Mon 10/510:00 am
KEF
-
DEN
2 stops35h 17m
Air Canada
Deal found 7/22$425
This Orbitz deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/46:05 pm
DEN
-
KEF
1 stop32h 40m
Air Canada
Fri 10/99:15 am
KEF
-
DEN
1 stop31h 16m
Air Canada
Deal found 7/23$426
This United Airlines deal was found by Cheapflights users on 7/22. 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 10/89:40 am
DEN
-
KEF
1 stop16h 15m
United Airlines
Wed 10/149:15 am
KEF
-
DEN
1 stop31h 16m
United Airlines
Deal found 7/22$428
This oojo deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/24:40 pm
DEN
-
FRA
1 stop12h 20m
Icelandair
Sat 10/102:00 pm
FRA
-
DEN
1 stop13h 00m
Icelandair
Deal found 7/26$561

Find flight deals from Colorado to Europe

Keep the following information in mind while searching for Colorado to Europe flight deals. Data was last updated July 27, 2026.

Round-trip from

$415
(United Airlines)

One-way from

$197
(Sembo)

Popular in

June

Cheapest in

April

Average price

$1,330

Good round-trip deal

$648 or less

Good one-way deal

$293 or less
From Colorado to Europe
Search Deals
One-way flight from Colorado to Europe
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($274 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Colorado to Europe.
Search Deals
Price to beat on a one-way flight from Colorado to Europe.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado to Europe 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 27, 2026.
Use the filters below to find and compare flights from Colorado to Europe that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Fri 9/25

7:10 pm-7:55 am

2 stops30h 45m

Reykjavik Keflavik Intl

Fri 10/2

9:15 am-6:25 pm

2 stops39h 10m

$419

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Thu 9/10

11:59 pm-7:00 am

1 stop25h 01m

Reykjavik Keflavik Intl

Tue 9/15

10:00 am-10:22 am

1 stop30h 22m

$435

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Sun 8/30

7:05 pm-8:30 am

1 stop31h 25m

Reykjavik Keflavik Intl

Tue 9/15

10:00 am-10:22 am

1 stop30h 22m

$435

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Tue 9/15

8:29 pm-8:50 am

1 stop30h 21m

Reykjavik Keflavik Intl

Tue 9/29

10:00 am-10:22 am

1 stop30h 22m

$435

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Sun 8/16

8:31 pm-8:50 am

1 stop30h 19m

Reykjavik Keflavik Intl

Mon 8/24

10:00 am-10:35 am

1 stop30h 35m

$435

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Mon 10/19

8:29 pm-7:55 am

2 stops29h 26m

Reykjavik Keflavik Intl

Mon 10/26

12:00 pm-5:49 pm

1 stop11h 49m

$439

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Thu 11/5

11:59 pm-10:00 am

2 stops27h 01m

Reykjavik Keflavik Intl

Thu 11/12

12:00 pm-11:23 pm

2 stops18h 23m

$441

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Thu 10/1

9:40 am-7:55 am

1 stop16h 15m

Reykjavik Keflavik Intl

Sun 10/4

9:15 am-12:45 pm

2 stops33h 30m

$444

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Wed 8/26

9:40 am-7:55 am

1 stop16h 15m

Reykjavik Keflavik Intl

Sun 9/13

12:00 pm-7:34 am

1 stop25h 34m

$453

DenverReykjavik

DEN - KEF

DENKEF

Denver Intl

Thu 9/3

3:00 pm-9:00 am

1 stop12h 00m

Reykjavik Keflavik Intl

Sat 9/12

4:50 pm-11:19 pm

1 stop12h 29m

$673

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/24

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight from Colorado to Europe

Have a flexible travel schedule? Discover the best time to fly to Europe from Colorado with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Colorado to Europe

What is the cheapest month to book a flight from Colorado to Europe?

Currently, February is the cheapest month in which you can book a flight from Colorado to Europe (average of $671). Flying from Colorado to Europe in June is currently the most expensive (average of $1,234). 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 EU?

Find hourly flight availability from Colorado to Europe. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 27, 2026.

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

How far ahead should I book a flight from Colorado to Europe?

The price you pay for your flight from Colorado to Europe may vary depending on when you book. For the best chance of a lower fare, look to book 67 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Related info for your journey

Find useful and relevant information for your journey from Colorado to Europe. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Colorado to Europe?

    United Airlines, Turkish Airlines, and Icelandair can get you from Colorado to Europe in just under 14h 20m. Your travel time can differ by up to 16h 55m. The distance between Colorado and Europe is about 5546 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Colorado to Europe one-way?

    For one-way options, check prices for British Airways. According to our data, you can fly for as low as $187. Users have also found prices from $188 and $199 on Icelandair and JetBlue, respectively.

  • Can I find deals for flights from Colorado to Europe that include hotel bookings?

    Yes. In addition to deals on Colorado to Europe flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Colorado to Europe?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Colorado to Europe.

  • Can I find deals for business class flights from Colorado to Europe?

    Yes. Cheapflights offers flight deals from Colorado to Europe by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Colorado to Europe?

    Currently, February is the cheapest month in which you can book a flight from Colorado to Europe (average of $671). Flying from Colorado to Europe in June is currently the most expensive (average of $1,234). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Colorado to Europe

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Colorado to Europe

Discover the top 10 airlines that operate flights from Colorado to Europe. 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 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$101Average$751FlexibilityNo cancel feeOn-time62%
DeltaCheapest$187Average$882FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$221Average$704FlexibilityNo cancel feeOn-time72%
CondorCheapest$287Average$415FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$359Average$829FlexibilityNo cancel feeOn-time70%
IcelandairCheapest$369Average$712FlexibilityNo cancel feeOn-time76%
IberiaCheapest$440Average$814FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$479Average$1,038FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$483Average$911FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$483Average$916FlexibilityNo cancel feeOn-time71%

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