Book cheap flights from Chicago to Ontario, CA from £34

Last minute flights from Chicago to Ontario, CA

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Prices shown below were available within the past 3 days for the period specified and should not be considered the final price offered. Please note that availability and prices are subject to change.

Chicago Ontario, CA

BEST

DEAL

Fri, 24 May MDW - ONT

Tue, 28 May ONT - MDW

£150 £142

Prime price per passenger

Chicago Ontario, CA

BEST

DEAL

Tue, 07 May MDW - ONT

£36 £34

Prime price per passenger

Chicago Ontario, CA

BEST

DEAL

Sun, 19 May MDW - ONT

Mon, 20 May ONT - MDW

£116 £110

Prime price per passenger

Chicago Ontario, CA

BEST

DEAL

Mon, 06 May ORD - ONT

Tue, 07 May ONT - ORD

£137 £130

Prime price per passenger

Chicago Ontario, CA

BEST

DEAL

Fri, 10 May ORD - ONT

Sat, 11 May ONT - ORD

£173 £169

Prime price per passenger

Chicago Ontario, CA

BEST

DEAL

Tue, 14 May MDW - ONT

Sat, 18 May ONT - MDW

£123 £116

Prime price per passenger

Route information

Distance: 1706 miles

Chicago airports

O'hare International Airport (ORD) How far from city centre: 14 miles

Midway Airport (MDW) How far from city centre: 4 miles

Chicago Nas (NOH) How far from city centre: 22 miles

Dupage County (DPA) How far from city centre: 27 miles

Pal Waukee (PWK) How far from city centre: 22 miles

Greater Rockford (RFD) How far from city centre: 75 miles

Ontario, CA airports

Los Angeles Intl Airport (LAX) How far from city centre: 44 miles

Ontario International (ONT) How far from city centre: 2 miles

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If you are planning to visit Ontario, CA from Chicago, here you'll find all the necessary information to book your flights. We'll help you address any possible doubts you may have about this route.

About your departure and destination airports

If you are looking to travel from United States to United States, Chicago - Ontario, CA is one of the most popular routes.

In the originAirport Airport CHI, where you'll find a range of facilities and services to kickstart your trip. From efficient check-in counters to relaxing lounges, originAirport Airport ensures a seamless departure experience, setting the stage for a smooth journey ahead.

Upon touchdown at destinationAirport Airport ONT airport, you are welcomed by the modern amenities and convenient services offered at this bustling hub. As you step off the plane, you'll find yourself well-equipped to explore the wonders of one of the top destinations in United States.

The flight duration is approximately 11 h and 2 m, covering a distance of about 2745 between the two cities.

Tips for booking flights from Chicago to Ontario, CA

Book in advance - If you're looking for budget-friendly fare, eDreams has the solution for you. Our commitment to affordability means that you'll always find the lowest prices for your desired fare. Seize this opportunity and get your ticket from Chicago to Ontario, CA at only 34. While booking flights in advance is advisable to secure the best deals, eDreams also offers the flexibility of booking last-minute flights for those with spontaneous travel plans.
Consider the season - When booking your flight, remember that timing can significantly impact your travel budget. The optimal time to book your flight from Chicago to Ontario, CA is approximately December. It's essential to be mindful of high season periods, which typically occur during December.
Consider package deals - Navigating peak travel seasons can be challenging due to the increased ticket prices. Book your flight ahead to maximise your chances of securing the best possible fare for your trip. For additional savings, consider bundling your flight + hotel bookings with eDreams.
Multi City Flights - eDreams offers the convenience of arranging multi-city flights, catering to travellers with diverse itineraries and a penchant for exploring multiple destinations in one journey.

Airline(s) serving your route

From well-known carriers to low-cost options, eDreams enables you to select the airline that best suits your preferences.

Airline(s) catering to your route from Chicago CHI to Ontario, CA ONT: airline1.

Start planning your next adventure with eDreams, and let us help you turn your travel dreams into reality. Your journey awaits – book your flight today!

Frequently asked questions about flights from Chicago to Ontario, CA

What are the benefits of booking flexible flight tickets?

Using the flexible flight ticket, you're guaranteed a refund or a rebooking option (without fees) in case of flight cancellations when travelling to United States. At eDreams have you covered!

If I want to book flights from Chicago to Ontario, CA at eDreams, how can I find them?

Using our flight search engine, you can find flights from £34 for the route Chicago - Ontario, CA. At eDreams, we always aim at providing our customers with the cheapest option, allowing you to adjust according to stopovers, airports, dates and many other filters.

What is the duration of a flight from Chicago to Ontario, CA?

Flight duration from Chicago to Ontario, CA is around 05:12 hours on average, at an average distance of 2,973 km, for flights for the route (which may have 1 or more stops in other cities in between).

Flight Time 5 h and 12 m Flights from Chicago and Ontario, CA last around 5 h and 12 m, although this flight time may also depend on other factors.

Cheapest flight £34 The cheapest price available for flights from Chicago to Ontario, CA that have been booked by our customers in the last 72 hours

Peak season December According to search data from our customers, December is the busiest time to fly from Chicago to Ontario, CA

Best time to book December Data from our customers tells us that December is the most popular time to fly to Ontario, CA from Chicago