For a smooth departure from ORD, consider taking the "L" train. It's a reliable option to avoid Chicago traffic delays.

Most accurate provider | Gotogate 3 stars |
|---|---|
Most trusted provider | Gotogate 3 stars |
Round-trip from | $534 (KAYAK) |
One-way from | $241 (Trip.com) |
Popular in | June |
Cheapest in | November |
Average price | $721 |
Good round-trip deal | $1,152 or less |
Good one-way deal | $713 or less |
Fly from
Fly to
Route
Depart
Return
Price
ChicagoAthens
ORD - ATH
ORDATH
Chicago O'Hare Intl
Mon 3/2
5:10 pm-3:50 pm
1 stop14h 40m
Athens Eleftherios V.
Tue 3/17
7:35 am-2:50 pm
1 stop14h 15m
ChicagoAthens
ORD - ATH
ORDATH
Chicago O'Hare Intl
Sat 3/7
5:37 pm-1:00 pm
2 stops35h 23m
Athens Eleftherios V.
Thu 3/19
11:50 am-9:49 pm
1 stop16h 59m
ChicagoAthens
ORD - ATH
ORDATH
Chicago O'Hare Intl
Wed 4/15
9:40 pm-11:05 pm
1 stop17h 25m
Athens Eleftherios V.
Thu 4/23
12:35 pm-4:05 pm
Nonstop11h 30m
ChicagoAthens
ORD - ATH
ORDATH
Chicago O'Hare Intl
Wed 3/18
5:20 pm-1:05 am
2 stops24h 45m
Athens Eleftherios V.
Sun 3/29
4:50 pm-3:55 pm
1 stop31h 05m
ChicagoAthens
ORD - ATH
ORDATH
Chicago O'Hare Intl
Sun 3/29
9:40 pm-6:45 pm
1 stop13h 05m
Athens Eleftherios V.
Tue 4/7
12:45 pm-6:15 pm
1 stop13h 30m
ChicagoAthens
ORD - ATH
ORDATH
Chicago O'Hare Intl
Mon 5/11
6:00 am-1:20 pm
1 stop23h 20m
Athens Eleftherios V.
Wed 5/20
1:35 pm-2:15 pm
1 stop32h 40m
ChicagoAthens
ORD - ATH
ORDATH
Chicago O'Hare Intl
Mon 5/18
4:49 pm-7:05 pm
2 stops18h 16m
Athens Eleftherios V.
Wed 5/27
3:55 pm-4:01 pm
1 stop32h 06m
ChicagoAthens
ORD - ATH
ORDATH
Chicago O'Hare Intl
Sat 4/25
7:15 pm-10:45 am
2 stops31h 30m
Athens Eleftherios V.
Wed 5/6
7:45 am-9:29 pm
2 stops21h 44m
ChicagoAthens
ORD - ATH
ORDATH
Chicago O'Hare Intl
Thu 5/7
7:50 pm-8:30 pm
1 stop16h 40m
Athens Eleftherios V.
Sat 5/16
3:55 am-9:40 am
1 stop13h 45m
ChicagoAthens
ORD - ATH
ORDATH
Chicago O'Hare Intl
Fri 5/1
3:35 pm-11:55 am
1 stop12h 20m
Athens Eleftherios V.
Tue 5/5
12:10 pm-10:47 am
2 stops30h 37m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
The price you pay for your flight from Chicago O'Hare Intl Airport to Athens may vary depending on when you book. For the best chance of a lower fare, look to book 80 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Currently, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Athens (average of $454). Flying from Chicago O'Hare Intl Airport to Athens in June is currently the most expensive (average of $699). 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.
About 27% of weekly flights between Chicago and Athens have experienced delays in the past year, with the average delay time being 190 minutes.
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
Saturday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Over the last year, United Airlines have had the lowest number of delays on this route, with just 27% of flights being delayed.
Istanbul (IST) – chosen by Cheapflights users on 40% of 1-stop itineraries from Chicago O'Hare Intl Airport to Athens on Cheapflights.
Zurich (ZRH) is the most affordable 1-stop option, with an average round-trip price of $891.
Flights via Zurich (ZRH) have the shortest average one-way travel time for 1-stop routes: 12h 40m.
Flights via Zurich (ZRH) offer the fastest connection on this route, with an average layover time of 0h 58m.
Food
Comfort
Overall
Entertainment
Crew
Boarding
Reviews
Dane,Jan 2026
TYS - IAD
Food
Comfort
Overall
Entertainment
Crew
Boarding
Reviews
Dane,Jan 2026
TYS - IAD
Food
Comfort
Overall
Entertainment
Crew
Boarding
Reviews
Dane,Jan 2026
TYS - IAD
Food
Comfort
Overall
Entertainment
Crew
Boarding
Reviews
Dane,Jan 2026
TYS - IAD
Food
Comfort
Overall
Entertainment
Crew
Boarding
Reviews
Dane,Jan 2026
TYS - IAD
Food
Comfort
Overall
Entertainment
Crew
Boarding
Reviews
Dane,Jan 2026
TYS - IAD
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$406 | Average$719 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$424 | Average$779 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$438 | Average$681 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$463 | Average$524 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$466 | Average$667 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$470 | Average$788 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$479 | Average$734 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$480 | Average$1,098 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$502 | Average$670 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$537 | Average$958 | FlexibilityNo cancel fee | On-time76% |