Cheap Flights from Denver, CO to Athens from $252

Return flight: Athens – Denver

On Cheapflightsplus.com you will find 1000 connecting flights from Denver to Athens. You can compare airfare deals from 19 airlines and multiple travel sites from $252, book and save on cheap plane tickets and last minute offers. Also check out DEN-ATH flight schedule to find best flight time, convenient departure and arrival airports.

Flight Information

Below we will explain in detail what the flights cost on the destination from Denver to Athens depends on and how to choose the most interesting flight option for you.

Distance between Denver and Athens is 9904 miles. Time difference between the cities is 9h. Airplanes depart 00:23 to 23:59 from 2 Denver airports and arrive 00:23 to 23:59 to 3 Athens airports. Average flight time is 23h 38m.

  • The fastest flight 13h 10m
  • Average flight time 23h 38m
  • The earliest flight 00:23
  • The latest flight 23:59
  • Distance 6155 ml

The cheapest months to travel to Athens are october (from 252 $), july (from 258 $), august (from 276 $).

The most expensive months are november (from 735 $), december (from 722 $), february (from 671 $).

What is the lowest airfare Denver to Athens?

The cheapest plane ticket found by our users is $252. This airfare is for economy class on one-way FI672 flight by Icelandair for October 7, 2025 which leaves Denver International in Denver at 20:10 am and arrives at Athens Eleftherios Venizelos at 13:10.

Economy class
$252
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Business class
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First class
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Flight Schedule Denver (Colorado) to Athens

07:45 — 13:30+1day
20h 45m flight time
Find flight
from$512
07:45 — 12:56 Denver — Toronto
AC1038 Air Canada
7h 54m stop
20:45 — 13:30 Toronto — Athens
AC920 Air Canada
08:25 — 14:00+1day
20h 35m flight time
Find flight
from$276
08:25 — 10:00 Denver — Los Angeles
F92341 Frontier Airlines
5h 20m stop
15:20 — 14:00 Los Angeles — Athens
N0512 N0
08:25 — 14:00+1day
20h 35m flight time
Find flight
from$421
08:25 — 09:57 Denver — Los Angeles
F92341 Frontier Airlines
5h 23m stop
15:20 — 14:00 Los Angeles — Athens
A15966 G2 Switch Works
09:40 — 10:05+1day
15h 25m flight time
Find flight
from$505
09:40 — 15:26 Denver — Montreal
AC1072 Air Canada
2h 29m stop
18:00 — 10:05 Montreal — Athens
AC898 Air Canada
09:58 — 13:30+1day
18h 32m flight time
Find flight
from$512
09:56 — 15:11 Denver — Toronto
AC4883 Air Canada
5h 34m stop
20:45 — 13:30 Toronto — Athens
AC920 Air Canada
11:25 — 13:30+1day
17h 5m flight time
Find flight
from$512
11:25 — 16:35 Denver — Toronto
AC1040 Air Canada
4h 10m stop
20:45 — 13:30 Toronto — Athens
AC920 Air Canada
16:14 — 05:05+2days
27h 51m flight time
Find flight
from$456
16:14 — 22:05 Denver — New York
F93162 Frontier Airlines
14h 51m stop
13:55 — 06:00 New York — Athens
N0504 N0
16:15 — 23:00+1day
21h 45m flight time
Find flight
from$512
16:25 — 10:00 Denver — Munich
LH481 Lufthansa
9h 30m stop
21:30 — 00:55 Munich — Athens
LH1756 Lufthansa
18:35 — 13:10+2days
33h 35m flight time
Find flight
from$460
18:35 — 10:35 Denver — London
BA218 British Airways
20h 35m stop
07:15 — 13:10 London — Athens
W95411 Wizz Air UK
18:35 — 00:35+2days
21h flight time
Find flight
from$477
18:35 — 10:35 Denver — London
BA218 British Airways
8h 25m stop
19:00 — 00:35 London — Athens
A3605 Aegean Airlines
18:35 — 20:20+1day
16h 45m flight time
Find flight
from$479
18:35 — 10:35 Denver — London
BA218 British Airways
4h 5m stop
14:40 — 20:20 London — Athens
U28185 EasyJet
18:35 — 20:45+1day
17h 10m flight time
Find flight
from$493
18:35 — 10:35 Denver — London
BA218 British Airways
4h 35m stop
17:15 — 22:50 London — Athens
U22407 EasyJet
18:35 — 20:00+1day
16h 25m flight time
Find flight
from$496
18:35 — 10:35 Denver — London
BA218 British Airways
3h 45m stop
14:40 — 20:20 London — Athens
U26301 EasyJet
22:55 — 14:00+2days
30h 5m flight time
Find flight
from$258
22:55 — 00:29 Denver — Los Angeles
F94345 Frontier Airlines
14h 53m stop
22:20 — 21:00 Los Angeles — Athens
N0512 N0
22:55 — 14:00+2days
30h 5m flight time
Find flight
from$403
22:55 — 00:27 Denver — Los Angeles
F94345 Frontier Airlines
14h 53m stop
15:20 — 14:00 Los Angeles — Athens
A15966 G2 Switch Works
Full flight schedule will help you in detecting at what time planes fly from Denver to Athens. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
*Departure and arrival times - local. Updated on October 29, 2025.

Popular Airlines on the Route

The flight Denver — Athens is served by 19 regular airlines and 4 low-cost airlines. Most of the flights on this route are operated by KLM - 11 departures per week at the price of from $ 566 . And the most expensive tickets are offered by KLM airline - from $ 698.

Direct flights

There’re no direct flights on this route. Try flights with stops.

Connecting Flights

There are 1000 flights with layovers on the route. The fastest connecting flight is UA760 by United Airlines takes 13h 10m and the cheapest is FI672 by Icelandair for $252.

  • KL - KLM
    from $566
    Find
  • AC - Air Canada
    from $487
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  • FI - Icelandair
    from $252
    Find
  • OS - Austrian Airlines
    from $530
    Find
  • EI - Aer Lingus
    from $599
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  • AF - Air France
    from $579
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  • SY - Sun Country Airlines
    from $389
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  • LX - SWISS International Air Lines
    from $482
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  • UA - United Airlines
    from $543
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  • G4 - Allegiant Air
    from $635
    Find
  • F9 - Frontier Airlines
    from $258
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  • TK - Turkish Airlines
    from $486
    Find
See more connecting flights

Airports

You can fly from Denver to Athens from 2 airports (Denver International, Arapahoe Co).

Denver airports

  • Denver International-DEN
    from $252
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  • Arapahoe Co-APA
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Athens airports

  • Sparta-SPJ
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  • Eleftherios Venizelos-ATH
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  • Hellinikon (Closed)-HEW
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How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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