$249 Economy Roundtrip to Chicago (ONT-ORD) in Oct from Ontario

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$249 Economy Roundtrip to Chicago (ONT-ORD) in Oct from Ontario

Best Flights starting from $249

from$249economy

Ontario (ONT)

Fri, Oct 30

Roundtrip

Chicago (ORD)

Sun, Nov 1

Fields updated — click View Prices to search ↑

Other Options for This Route

ORD destination

Economy One-way to Chicago (ORD)

Ontario (ONT) to Chicago (ORD) in October from $89

ORD destination

Economy One-way to Chicago (ORD)

Ontario (ONT) to Chicago (ORD) in November from $86

ORD destination

Economy One-way to Chicago (ORD)

Ontario (ONT) to Chicago (ORD) in December from $140

ORD destination

Economy Roundtrip to Chicago (ORD)

Ontario (ONT) to Chicago (ORD) in May from $290

ORD destination

Economy Roundtrip to Chicago (ORD)

Ontario (ONT) to Chicago (ORD) in June from $390

ORD destination

Economy One-way to Chicago (ORD)

Ontario (ONT) to Chicago (ORD) in September from $86

Other Destinations

SEA destination

Economy One-way to Seattle (SEA)

Ontario (ONT) to Seattle (SEA) in October from $49

DFW destination

Economy One-way to Dallas (DFW)

Ontario (ONT) to Dallas (DFW) in October from $52

DEN destination

Economy Roundtrip to Denver (DEN)

Ontario (ONT) to Denver (DEN) in October from $56

SFO destination

Economy One-way to San Francisco (SFO)

Ontario (ONT) to San Francisco (SFO) in October from $65

SAT destination

Economy One-way to San Antonio (SAT)

Ontario (ONT) to San Antonio (SAT) in October from $72

SJC destination

Economy One-way to San Jose (SJC)

Ontario (ONT) to San Jose (SJC) in October from $93

Flights from Other Cities

ORD destination

Economy One-way to Chicago (ORD)

Tampa (TPA) to Chicago (ORD) in October from $22

ORD destination

Economy One-way to Chicago (ORD)

Atlanta (Any) to Chicago (ORD) in October from $41

ORD destination

Economy One-way to Chicago (ORD)

New York (LGA) to Chicago (ORD) in October from $44

ORD destination

Economy Roundtrip to Chicago (ORD)

New York (Any) to Chicago (ORD) in October from $49

ORD destination

Economy One-way to Chicago (ORD)

Minneapolis (Any) to Chicago (ORD) in October from $59

ORD destination

Economy One-way to Chicago (ORD)

Atlanta (ATL) to Chicago (ORD) in October from $69

Cheap economy Class Flights from Ontario (ONT) to Chicago (ORD) October

Find the best deals on economy class flights. Compare prices for direct flights, one-stop, and multi-stop options.

Cheap economy Flights: ONT to ORD in October - Route 1

Starting from $249

Flight Options & Prices:

Direct Flights: From $338 - Fastest option with no layovers
One-Stop Flights: From $249 - Good value with one connection
Multi-Stop Flights: From $249 - Cheapest option with multiple connections

Book your economy class flight from Ontario (ONT) to Chicago (ORD)and save money on your travel. Compare all flight options to find the best deal for your october trip.

Why Choose Economy Class Flights from Ontario (ONT) to Chicago (ORD)?

Compare prices from multiple airlines
Find direct flights and multi-stop options
Best deals for october travel
Flexible booking options
24/7 customer support

Planning a trip from Ontario (ONT) to Chicago (ORD) in october? SlickTrip helps you find the cheapest economy class flights with our comprehensive flight comparison tool. Whether you prefer direct flights for convenience or multi-stop flights for savings, we have options for every budget and schedule.