Direct flights from Chicago

United Airlines

171 routes from ORD

American Airlines

142 routes from ORD

18 routes from ORD

Spirit Airlines

11 routes from ORD

Southwest Airlines

9 routes from ORD

Delta Air Lines

7 routes from ORD

7 routes from ORD

5 routes from ORD

Air Canada

4 routes from ORD

Alaska Airlines

3 routes from ORD

3 routes from ORD

JetBlue Airways

2 routes from ORD

2 routes from ORD

Lufthansa

2 routes from ORD

2 routes from ORD

Emirates

2 routes from ORD

LOT - Polish Airlines

2 routes from ORD

1 route from ORD

British Airways

1 route from ORD

1 route from ORD

WestJet

1 route from ORD

Aer Lingus

1 route from ORD

Copa Airlines

1 route from ORD

ANA

1 route from ORD

SWISS

1 route from ORD

Air France

1 route from ORD

KLM

1 route from ORD

Turkish Airlines

1 route from ORD

Qatar Airways

1 route from ORD

1 route from ORD

Cathay Pacific

1 route from ORD

Icelandair

1 route from ORD

Korean Air

1 route from ORD

1 route from ORD

SAS

1 route from ORD

Iberia

1 route from ORD

1 route from ORD

Ethiopian Airlines

1 route from ORD

Royal Jordanian

1 route from ORD

Air India

1 route from ORD

1 route from ORD

1 route from ORD

Air Serbia

1 route from ORD

TAP Air Portugal

1 route from ORD