List of airlines serving Chicago O'Hare international airport

 
O'Hare serves as a major hub for both United Airlines and American Airlines. It is also a focus city for Frontier Airlines and Spirit Airlines. It has non-stop flights to more than 200 destinations in North America, South America, Europe, Africa, Asia and Oceania.
 
Airlines serving ORD airport
 

Aer Lingus

Location: T5

Phone : 1-800-474-7424

AeroMexico

Location: T5

Phone : 1-800-237-6639

Air Canada

Location: T2
Phone : 1-888-247-2262

Phone (TTY): 1-888-361-8071

Air France

Location: T5

Phone : 1-800-237-2747

Air India

Location: T5

Phone : 1-800-621-8231

Alaska Airlines

Location: T2

Phone : 1-800-252-7522

All Nippon

Location: T1 and T5
Phone :1-800-235-9262

American Airlines

Location: T3 (Departures) T5 (International Arrivals)
Phone : 1-800-433-7300
Phone (TTY): 1-800-543-1586

Austrian Airlines

Location: T5
Phone : 1-800-843-0002

British Airways

Location: T5
Phone : 1-800-247-9297
Phone (TTY): 1-866-393-0961

Cape Air

Location: T3
Phone : 800-227-3247

Cathay Pacific Airways

Location: T5
Phone : 1-800-233-2742
Phone (TTY): 1-877-609-2233

Copa Airlines

Location: T5
Phone : 1-800-359-2672

Delta and Delta Shuttle

Location: T2
Phone : 1-800-221-1212

Denver Air Connection (Key Lime Air)

Location: T3
Phone : 866-373-8513

EVA Air

Location: T5
Phone : 1-847-261-9900

Emirates

Location: T5
Phone : 1-800-777-3999
Phone (TTY): 1-888-320-1576

Ethiopian Airlines

Location: T5
Phone : 1 (800) 445-2733

Etihad Airways

Location: T5
Phone : 1-877-690-0767

Finnair

Location: T5
Phone : 1-877-757-7143

Frontier Airlines

Location: T5
Phone : 1-801-401-9000​

Iberia Airlines

Location: T3 (Departures) and T5 (Arrivals)
Phone : 1-800-772-4642

Icelandair

Location: T5
Phone : 1-800-223-5500

Japan Airlines (JAL)

Location: T3 (Departures) and T5 (Arrivals)
Phone : 1-800-525-3663

JetBlue

Location: T2
Phone : 1-800-538-2583

KLM Royal Dutch

Location: T5
Phone : 1-800-618-0104
Phone (TTY): 1-800-831-4488

Korean Air

Location: T5
Phone : 1-800-438-5000
Phone (TTY): 1-888-898-5525

LOT Polish Airlines

Location: T5
Phone : 1-212-789-0970

Lufthansa

Location: T1 (Departures), T2, T5 (Arrivals)
Phone : 1-800-645-3880
Phone (TTY): 1-866-846-4283

Qatar Airways

Location: T5
Phone : 1-877-777-2827
Phone (TTY): 1-877-578-2757

Royal Jordanian

Location: T5
Phone : 1-212-949-0050

SWISS

 
Location: T5
Phone : 1-877-359-7947
Phone (TTY): 1-855-254-1842

Scandinavian Airlines (SAS)

Location: T5
Phone : 1-800-221-2350

Southwest Airlines

Location: T5
Phone : 1-800-435-9792

Phone (TTY): 1-800-533-1305

Spirit Airlines

Location: T3
Phone : 1-855-728-3555
Phone (TTY): 1-800-955-8771

Sun Country

Location: T5
Phone : 651-905-2737

TAP Air Portugal

Location: T5
Phone : 800-221-7370

Turkish Airlines

Location: T5
Phone : 1-800-874-8875

United Airlines

Location: T1 (Departures), T5 (International Arrivals)
Phone : 1-800-864-8331 (Domestic), 1-800-538-2929 (International)
Phone (TTY): 1-800-323-0170

VivaAerobus

Location: T5
Phone : 1-888-935-9848

Volaris Airlines

Location: T5
Phone : 1-866-988-3527

WestJet

Location: T5
Phone:1-888-937-853 - (TTY):1-877-952-0100