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$386+ Cheap flights from Greece to Colorado

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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
ATH — DEN
oct. 15 — oct. 221
mié. 10/15
mié. 10/22
1 adult, Economy
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Cheap flight deals from Greece to Colorado

Keep the following information in mind while searching for Greece to Colorado flight deals. Data was last updated septiembre 15, 2025.

Round-trip from

$776
(Gotogate)

One-way from

$386
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$938
From Greece to Colorado
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One-way flight from Greece to Colorado
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Highest demand for flights based on searches. 7% potential increase in price ($75 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Greece to Colorado

Cheapest flights from Greece to Colorado
Explore the most affordable flight options available from Greece to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 15, 2025.

This lastminute.com deal was found by Cheapflights users on 9/13. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/2411:05 amATH - DEN
1 stop18h 22mBritish Airways
vie. 11/72:49 pmDEN - ATH
2 stops19h 26mBritish Airways
Deal found 9/13$829
This American Airlines deal was found by Cheapflights users on 9/13. 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.
vie. 10/2411:05 amATH - DEN
1 stop18h 22mAmerican Airlines
vie. 11/75:25 pmDEN - ATH
1 stop16h 50mAmerican Airlines
Deal found 9/13$831
This American Airlines deal was found by Cheapflights users on 9/14. 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.
vie. 10/3112:50 pmATH - DEN
2 stops37h 22mAmerican Airlines
vie. 11/144:51 pmDEN - ATH
2 stops17h 24mAmerican Airlines
Deal found 9/14$832
This Delta deal was found by Cheapflights users on 9/13. 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.
mar. 10/281:45 pmATH - DEN
2 stops27h 36mDelta
mar. 11/117:05 amDEN - ATH
2 stops21h 30mDelta
Deal found 9/13$839
This British Airways deal was found by Cheapflights users on 9/13. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/278:10 pmATH - DEN
2 stops54h 02mBritish Airways
vie. 11/142:49 pmDEN - ATH
2 stops22h 06mBritish Airways
Deal found 9/13$844
This Delta deal was found by Cheapflights users on 9/13. 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.
lun. 10/271:45 pmATH - DEN
2 stops27h 36mDelta
lun. 11/1010:18 amDEN - ATH
2 stops18h 17mDelta
Deal found 9/13$845
This Delta deal was found by Cheapflights users on 9/13. 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.
mar. 10/710:30 amATH - DEN
1 stop20h 11mDelta
mar. 10/1411:59 amDEN - ATH
2 stops20h 06mDelta
Deal found 9/13$851
This lastminute.com deal was found by Cheapflights users on 9/13. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/293:00 pmATH - COS
2 stops40h 44mBritish Airways
mié. 11/55:17 pmCOS - ATH
2 stops22h 48mBritish Airways
Deal found 9/13$941
This American Airlines deal was found by Cheapflights users on 9/13. 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.
mié. 10/297:50 amATH - COS
3 stops22h 19mAmerican Airlines
mié. 11/55:45 amCOS - ATH
2 stops20h 15mAmerican Airlines
Deal found 9/13$4,154

Cheapflights Fare Finder

 
Customize your flight search to find flights from Greece to Colorado 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 septiembre 15, 2025.
Use the filters below to find and compare flights from Greece to Colorado that are best for you.

Fly from

Greece

Fly to

Colorado

Route

Depart

Return

Price

AthensDenver

ATH - DEN

ATHDEN

Athens Eleftherios V.

vie. 10/31

12:50 pm-1:55 pm

2 stops33h 05m

Denver Intl

vie. 11/14

7:22 am-7:15 pm

2 stops26h 53m

$832

AthensDenver

ATH - DEN

ATHDEN

Athens Eleftherios V.

mar. 3/3

4:55 pm-3:30 pm

1 stop31h 35m

Denver Intl

dom. 3/15

6:25 pm-1:20 am

1 stop22h 55m

$838

AthensDenver

ATH - DEN

ATHDEN

Athens Eleftherios V.

mié. 3/4

8:20 pm-3:30 pm

1 stop28h 10m

Denver Intl

mié. 3/18

6:25 pm-1:05 am

1 stop22h 40m

$838

AthensDenver

ATH - DEN

ATHDEN

Athens Eleftherios V.

jue. 3/5

7:50 pm-3:30 pm

1 stop28h 40m

Denver Intl

lun. 3/16

6:25 pm-6:55 pm

1 stop16h 30m

$838

AthensDenver

ATH - DEN

ATHDEN

Athens Eleftherios V.

mar. 3/3

7:35 am-3:30 pm

1 stop16h 55m

Denver Intl

mar. 3/17

10:43 am-1:20 am

2 stops30h 37m

$838

AthensDenver

ATH - DEN

ATHDEN

Athens Eleftherios V.

mar. 10/28

1:45 pm-11:45 am

2 stops30h 00m

Denver Intl

mar. 11/11

7:10 am-10:35 am

1 stop18h 25m

$843

AthensDenver

ATH - DEN

ATHDEN

Athens Eleftherios V.

lun. 10/27

8:10 pm-4:02 pm

2 stops51h 52m

Denver Intl

sáb. 11/8

5:25 pm-6:50 pm

1 stop16h 25m

$844

AthensDenver

ATH - DEN

ATHDEN

Athens Eleftherios V.

lun. 10/27

8:10 pm-4:02 pm

2 stops51h 52m

Denver Intl

vie. 11/14

5:25 pm-7:15 pm

1 stop16h 50m

$844

AthensDenver

ATH - DEN

ATHDEN

Athens Eleftherios V.

jue. 10/30

7:50 pm-6:12 pm

2 stops54h 22m

Denver Intl

sáb. 11/8

5:25 pm-1:25 am

1 stop23h 00m

$844

AthensDenver

ATH - DEN

ATHDEN

Athens Eleftherios V.

jue. 10/30

7:50 pm-3:54 pm

2 stops52h 04m

Denver Intl

dom. 11/9

5:25 pm-1:20 am

1 stop22h 55m

$844

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 19 results
1
2

Best time to book a flight from Greece to Colorado

Have a flexible travel schedule? Discover the best time to fly to Colorado from Greece 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 Greece to Colorado

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

Currently, October is the cheapest month in which you can book a flight from Greece to Colorado (average of $197). Flying from Greece to Colorado in March is currently the most expensive (average of $278). 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 GR to CO?

Find hourly flight availability from Greece to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 15, 2025.

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

Reviews of airlines servicing Colorado

Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated septiembre 15, 2025.
Peruse reviews from past customers who have flown with United Airlines, Turkish Airlines, and American Airlines from Greece to Colorado to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,929 reviews

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Food

6.6

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
8,929 reviews
United Airlines
7.4
Good
8,929 reviews

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Food

6.6

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
Turkish Airlines
7.3
Good
3,968 reviews
United Airlines
7.4
Good
8,929 reviews

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Food

6.6

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,929 reviews

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Food

6.6

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
Lufthansa
6.8
Okay
7,407 reviews
United Airlines
7.4
Good
8,929 reviews

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Food

6.6

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
British Airways
6.7
Okay
7,361 reviews
United Airlines
7.4
Good
8,929 reviews

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Food

6.6

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Related info for your journey

Find useful and relevant information for your journey from Greece to Colorado. 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 Greece to Colorado?

    There are many flights that can get you from Greece to Colorado in 31h 35m. Fly via American Airlines or British Airways to get the fastest option. The distance from Greece to Colorado is about 6150 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Greece to Colorado 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 Greece to Colorado?

    Currently, October is the cheapest month in which you can book a flight from Greece to Colorado (average of $197). Flying from Greece to Colorado in March is currently the most expensive (average of $278). 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 Greece to Colorado

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Greece to Colorado

Discover the top 5 airlines that operate flights from Greece to Colorado. 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 septiembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$711Average$1,008FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$742Average$838FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$785Average$896FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$817Average$1,045FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$870Average$932FlexibilityNo cancel feeOn-time69%

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