International route
Cheap flights from Chicago to Athens
O'Hare International Airport (ORD) to Athens International Airport (ATH). 5,450 miles, 10h 25m nonstop.
ORD to ATH at a glance
Computed from airline schedules and the fares we track for this route. Refreshed several times a day.
- Distance
- 5,450 milesgreat-circle
- Typical flight time
- 10h 25mnonstop, gate to gate
- Nonstop airlines
- UA1 airlineUnited
- Nonstop flights per day
- 1all airlines combined
- Cheapest month
- January 2027over the next six months
- Best day to fly
- Wednesday19% less than Friday
- Time difference
- 8h aheadAthens vs Chicago
Chicago to Athens
Round trips from $458
Per traveler, taxes and fees included. Lowest fare we found departs Wed, Jan 6.
Cheapest month: January 2027
See fares on these datesLock any fare free — pay only when you accept your last-minute deal
Or ask an agent on WhatsAppChicago to Athens fares by month
Lowest round-trip economy fare per traveler in each of the next six months, taxes and fees included. Select a month to search that date.
Airlines flying Chicago to Athens
1 airline flies nonstop with 1 departures a day combined, plus 24 more with one stop.
- UAUnited AirlinesStar AllianceNonstop · 1 flight a day · first checked bag from $40
- EIAer LingusConnecting via SNN · first checked bag from $70
- AMAeroméxicoSkyTeamConnecting via MTY · first checked bag from $40
- ACAir CanadaStar AllianceConnecting via YYZ, YYC · first checked bag from $35
- AFAir FranceSkyTeamConnecting via CDG, ORY · first checked bag from $75
- ASAlaska AirlinesoneworldConnecting via SEA, ANC, SAN · first checked bag from $35
- AAAmerican AirlinesoneworldConnecting via DFW, CLT, PHX, PHL, LAX, JFK · first checked bag from $40
- OSAustrian AirlinesStar AllianceConnecting via VIE · first checked bag from $75
- BABritish AirwaysoneworldConnecting via LHR · first checked bag from $75
- DLDelta Air LinesSkyTeamConnecting via MSP, DTW, LAX, BOS · first checked bag from $35
- LYEl AlConnecting via TLV · first checked bag from $80
- AYFinnaironeworldConnecting via HEL · first checked bag from $70
- FIIcelandairConnecting via KEF · first checked bag from $70
- AZITA AirwaysConnecting via FCO · first checked bag from $70
- B6JetBlueConnecting via JFK, BOS · first checked bag from $40
- LHLufthansaStar AllianceConnecting via FRA, MUC · first checked bag from $75
- NONorse Atlantic AirwaysLow-costConnecting via OSL · first checked bag from $80
- SKSAS Scandinavian AirlinesSkyTeamConnecting via ARN, OSL · first checked bag from $70
- LXSWISSStar AllianceConnecting via ZRH, GVA · first checked bag from $75
- TPTAP Air PortugalStar AllianceConnecting via OPO · first checked bag from $70
- TKTurkish AirlinesStar AllianceConnecting via IST · first checked bag from $70
- VSVirgin AtlanticSkyTeamConnecting via LHR · first checked bag from $75
- VBVivaLow-costConnecting via MTY, MEX, CUN · first checked bag from $45
- Y4VolarisLow-costConnecting via MEX · first checked bag from $45
- WSWestJetConnecting via YYC · first checked bag from $35
Connecting options
Hubs where one airline can carry you on both legs, most choices first.
- Los Angeles (LAX)AADL2 airlines
- New York (JFK)AAB62 airlines
- Boston (BOS)DLB62 airlines
- Calgary (YYC)ACWS2 airlines
- Monterrey (MTY)AMVB2 airlines
Which airport should I use?
Chicago has 2 airports. Fares can differ by $50 to $150 round trip between them, so check the alternatives before you book.
Other departure airports near Chicago
Tips for this route
- Only United flies this route nonstop, which keeps nonstop fares firm. A one-stop itinerary through LAX or JFK is usually cheaper if you can spare the extra three to five hours.
- January 2027 is the cheapest month to fly over the next six months, with round trips from $458; September 2026 is the most expensive at $590 and up, a difference of $132 per traveler.
- Departing on a Wednesday averages 19% less than a Friday on this route. If your dates are flexible, shift the outbound by a day or two and check the calendar view before you book.
- Book 2 to 5 months ahead for the best fares; long-haul seats sell out earliest for summer and holiday travel.
- Athens is 8 hours ahead of Chicago. Expect to lose 8 hours on the clock heading east, so an overnight or late-afternoon departure tends to arrive at a more usable hour.
Destination guide
Athens: The Acropolis and the gateway to the islands
Athens has grown into a major transatlantic gateway, with nonstops from New York, Newark, Boston, Chicago, Washington, Philadelphia and Atlanta in summer. The Acropolis, the food and ferries or short flights to Santorini, Mykonos and Crete make it a two-in-one trip.
Best time to visit: April–June and September–October are warm and manageable; the sea is swimmable May–October. July–August is very hot (100°F+) and crowded; winter is mild, quiet and cheap.
Flying the other way? Athens to ChicagoFares, airlines and tips for ATH to ORD.Ready to compare live fares?
See every airline on ORD–ATH side by side with bags and seat rules spelled out.
Search Chicago to AthensChicago to Athens: common questions
How long is the flight from Chicago to Athens?
A nonstop flight from Chicago (ORD) to Athens (ATH) takes about 10h 25m gate to gate, covering 5,450 miles. Connecting itineraries add the layover, typically 2 to 5 hours more in total.
Which airlines fly nonstop from ORD to ATH?
United Airlines operates nonstop flights from Chicago (ORD) to Athens (ATH), with 1 nonstop departure a day between them. One-stop options connect through LAX, JFK and BOS.
What is the cheapest month to fly from Chicago to Athens?
Over the next six months, January 2027 has the lowest round-trip fares from Chicago (ORD) to Athens (ATH), starting at $458 per traveler including taxes and fees. Within any month, Wednesday departures average the lowest prices.
How far in advance should I book Chicago to Athens flights?
Book 2 to 5 months ahead for the best fares; long-haul seats sell out earliest for summer and holiday travel. Air1 Tickets includes free cancellation within 24 hours of booking on every fare, so you can lock in a good price and keep looking.
What is the time difference between Chicago and Athens?
Athens is 8 hours ahead of Chicago. ORD is on America/Chicago time and ATH on Europe/Athens time. Departure and arrival times in search results are always shown in local time at each airport.
Related routes
Other popular city pairs from the same departure city and to the same destination, with the lowest round-trip fares we found.