NOW BOARDING: YOUR CAMERA ROLL494 TRIP IDEAS421 LAYOVER GUIDES137 FLIGHTS LOGGEDGATE CHANGES AUTO-SYNC TO YOUR WALLET

United · Route guide

Chicago O'Hare to Athens Flight Route UA-CHI-ATH

Everything you need to fly Chicago to Athens: when to go, who flies it, what it costs, and how to land well.

Search flights Read the guide

1 airline on this route · Daily Summer Seasonal

Book with Borderly • Powered by Duffel

Fly to Athens, booked directly.

Real-time seat availability, live baggage options, and transparent fares across 400+ airlines.

Explore all flight routes →

Compare fares

Every fare, side by side.

Metasearch across hundreds of agencies and airlines for ORD–ATH.

Airline

United

Aircraft

Boeing 787-10

Service

Daily Summer Seasonal

Region

Europe

The route

United Airlines expands its transatlantic reach with a direct seasonal service connecting Chicago O'Hare (ORD) to Athens International Airport (ATH). This route serves as a vital bridge between the American Midwest and the heart of Greece, catering to the high demand for summer Mediterranean travel. Utilizing the modern and efficient Boeing 787-10 Dreamliner, the flight offers travelers a non-stop experience to one of the world's most historic capitals.

Operating daily during the summer season, this route is part of United's 2025 network expansion. The flight covers the long-haul distance across the Atlantic in approximately 10 to 11 hours, providing a seamless connection for both leisure and business travelers heading to Southern Europe.

This direct service eliminates the need for connections through busy East Coast hubs or European gateways, saving travelers significant time. As a new addition for the 2025 summer season, it reflects the growing popularity of Greece as a premier destination for American travelers and offers increased capacity on a highly sought-after corridor.

Book this route

Plot the course, then fly it.

Live fares from Chicago to Athens across 400+ airlines, booked directly with Borderly.

Fly it once. Keep it forever.

Drop your ORD–ATH boarding pass into Borderly and this route joins your travel map, stats, and badges automatically.

Start your vault

Airports

Taking off, touching down.

Check-in, security, connections and getting into town at both ends of the flight.

Departure

Chicago O'Hare International Airport (ORD)

ORD

Check-in: International flights depart from Terminal 1; arrive at least 3 hours before your scheduled departure.
Security: Take advantage of TSA PreCheck or CLEAR at Terminal 1 to minimize wait times during morning and evening peaks.
Connections: Easily accessible from downtown Chicago via the CTA Blue Line or the Kennedy Expressway.

Arrival

Athens International Airport (ATH)

ATH

On arrival: Proceed to passport control promptly; EU and Non-EU lanes are clearly designated.
Ground transport: The Metro Line 3 and express buses provide efficient transport to central Athens locations like Syntagma Square.
Planning ahead: If traveling to the Greek Islands, ensure you allow sufficient time for transfers to Piraeus port or domestic flight connections.

Timing & fares

When it flies, what it costs.

Schedule & reliability

Schedule: Flights generally depart Chicago in the late afternoon, arriving in Athens the following morning.
Duration: Eastbound flights typically take around 10 hours and 30 minutes, while westbound returns may be longer.
Seasonality: This is a seasonal route operating during the peak summer travel window starting in 2025.
Time zones: Athens is 8 hours ahead of Chicago Central Time.

Fares & booking

Booking window: Early spring is the sweet spot for booking these summer-only seasonal flights.
Cabin advice: Consider United Polaris business class for the overnight leg to arrive well-rested in Athens.
Peak pricing: Expect high prices during the July and August peak vacation months.

Book at least 4-6 months in advance to secure the best fares for the summer peak.
Monitor United's promotional windows for new route launch deals in early 2025.
Use the United app to manage seating preferences and track baggage in real-time.

Peak season

June through August

Shoulder season

May and September

Off-peak season

October through April (Route typically does not operate)

Tours and experiences at either end

Vetted day trips and activities in Athens and Chicago, through our travel partner.

Browse tours

When to fly

Best Time to Fly Chicago to Athens

01
Summer
The peak time for this direct route, offering the best weather for island hopping and sightseeing.
02
Late Spring/Early Autumn
Ideal for avoiding the most intense heat and the largest crowds in Athens.

Trip planning

Who this route suits best.

Leisure Vacationers

Direct access to Greece for summer holidays without the hassle of connecting flights.

History Buffs

The fastest way for Chicago-based travelers to reach the cradle of Western civilization.

Connections & alternatives

Santorini (JTR)

A very popular domestic connection from Athens for iconic caldera views.

Mykonos (JMK)

Easily reached via short daily flights or ferries from Athens.

Crete (HER)

The largest Greek island, accessible via frequent flights from ATH.

Field notes

Travel Tips for the Chicago-Athens Route

Visa & entry

US citizens can enter the Schengen Area for up to 90 days for tourism without a visa.
Ensure your passport has at least six months of validity remaining from your date of arrival.
Stay updated on the potential implementation of the ETIAS authorization for future travel to Greece.

Airport transfers

The X95 bus is a cost-effective 24/7 option for reaching the city center.
Pre-booked private transfers or official taxis are recommended for those with heavy luggage.
Metro tickets must be validated before boarding to avoid heavy fines.

Baggage & transit

Check the specific baggage allowance for your fare class as international rules vary.
Pack a carry-on with essentials in case of delays during the busy summer season.
If connecting in Athens to a local airline, confirm if your bags are checked through or require re-checking.

Checklist

Valid Passport
European Power Adapter (Type C or F)
Comfortable walking shoes for ancient sites
Digital or physical copy of travel insurance

Carriers

Airlines Flying Chicago to Athens

United

Daily service during summer months

Boeing 787-10 Dreamliner

FAQ

Common questions.

Straight answers about flying Chicago to Athens.

Is the Chicago to Athens flight direct?

Yes, United offers a non-stop direct service between Chicago O'Hare (ORD) and Athens (ATH).

When does United start flying from ORD to Athens?

This new seasonal service is scheduled to begin daily operations in the summer of 2025.

What aircraft is used for UA-CHI-ATH?

United typically operates the Boeing 787-10 Dreamliner on this transatlantic route.

How long is the flight from ORD to ATH?

The non-stop flight takes approximately 10 hours and 30 minutes going east.

Is this route available in the winter?

No, this is a seasonal route specifically designed for the peak summer travel period.

Keep exploring

Where to next.

Structured data verified

Airports

O'Hare International Airport (ORD)Athens (ATH)Chicago O'Hare International Athens International Airport

Countries & layovers

United States Athens layover guide Chicago layover guide

Flown ORD to ATH? Keep it.

Add your boarding pass for this route to your Borderly profile!

Upload a boarding pass How it works

Three steps

1Use the Borderly platform to log your flight from Chicago to Athens.
2Enable flight notifications on the United mobile app for real-time status updates.
3Keep a digital record of your travel statistics and aircraft types on your profile.

iOS App