Aviasales.ge will find you the cheapest airfare for Ontario – Chicago by comparing the ticket prices to Chicago using 45 agencies, five booking systems, and 728 airlines. Where exactly you buy your tickets for Ontario – Chicago is up to you.

Ontario – Chicago is most popular in January. During this period the average ticket price is 113₾.

In the off-season – in January ticket prices drop to an average of 113₾.

Direct flight for from Ontario to Chicago

The easiest way to to get to your destination is a direct flight. Direct flights for from Ontario to Chicago are offered by:

• Southwest Airlines (6 days per week, flight WN925)

Chicago is served by 6 airports: Merrill C Meigs, Chicago Rockford International Airport, Chicago Executive Airport, Chicago Midway International Airport, O'Hare International Airport and DuPage Airport. Direct flights for Ontario – Chicago are operated by:

• American Airlines, Delta Air Lines, Frontier Airlines, United Airlines, Southwest Airlines from Ontario International Airport to O'Hare International Airport
• Frontier Airlines, Southwest Airlines from Ontario International Airport to Chicago Midway International Airport

Flight with layover for the route from Ontario to Chicago

An alternative option for Ontario – Chicago (round-trip) would be a flight with a layover. Prices start at 339₾ up to 339₾ .

The lowest prices for flights with layovers are offered by Frontier Airlines with a layover in Las Vegas. Tickets start at 173₾.

A flight with a layover on the route Ontario – Chicago will allow you to make your trip more interesting. The layover could be in:

• Dallas (flight WN706 Southwest Airlines)
• Las Vegas (flight WN155 Southwest Airlines)
• Nashville (flight WN1315 Southwest Airlines)

This is a great chance to get to know these cities. Layovers are usually at least six hours.

Please keep in mind that depending on the number of days remaining until your departure, ticket prices for Ontario – Chicago could change by more than 98%.

Aviasales.ge suggests buying tickets for Ontario – Chicago in advance in order to choose the conditions for your flight that best suit your preferences and budget.