
Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Los Angeles - Ontario Intl. Airport (ONT)
- Scoot
Scoot
- AirAsia
AirAsia
- Jetstar Asia
Jetstar Asia
- Thai AirAsia
Thai AirAsia
- Indonesia AirAsia
Indonesia AirAsia
- Singapore Airlines
Singapore Airlines
- China Eastern Airlines
China Eastern Airlines
- Plan, book, fly with confidence
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Cheap Flights from Chicago to Ontario (ORD-ONT)
Prices were available within the past 7 days and start at S$203 for one-way flights and S$405 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, 14 Aug - Thu, 21 Aug
ORD
Chicago
ONT
Ontario
S$405 Return, found 2 days ago
S$405
Return
found 2 days ago

Thu, 14 Aug - Thu, 21 Aug
ORD
Chicago
ONT
Ontario
S$450 Return, found 2 days ago
S$450
Return
found 2 days ago

Thu, 14 Aug - Thu, 21 Aug
ORD
Chicago
ONT
Ontario
S$463 Return, found 2 days ago
S$463
Return
found 2 days ago

Thu, 14 Aug - Thu, 21 Aug
ORD
Chicago
ONT
Ontario
S$464 Return, found 2 days ago
S$464
Return
found 2 days ago

Thu, 14 Aug - Thu, 21 Aug
ORD
Chicago
ONT
Ontario
S$469 Return, found 2 days ago
S$469
Return
found 2 days ago

Mon, 11 Aug - Mon, 18 Aug
ORD
Chicago
ONT
Ontario
S$471 Return, found 5 days ago
S$471
Return
found 5 days ago

Thu, 14 Aug - Thu, 21 Aug
ORD
Chicago
ONT
Ontario
S$482 Return, found 2 days ago
S$482
Return
found 2 days ago

Thu, 14 Aug - Thu, 21 Aug
ORD
Chicago
ONT
Ontario
S$485 Return, found 2 days ago
S$485
Return
found 2 days ago

Thu, 14 Aug - Thu, 21 Aug
ORD
Chicago
ONT
Ontario
S$492 Return, found 2 days ago
S$492
Return
found 2 days ago

Thu, 14 Aug - Thu, 21 Aug
ORD
Chicago
ONT
Ontario
S$513 Return, found 2 days ago
S$513
Return
found 2 days ago
Find the cheapest month to fly from Chicago (ORD) to Ontario (ONT)
September is typically the cheapest month to fly
From S$151 - S$424 per traveller.
Graph displaying average flight prices per month
Origin airport | O'Hare Intl. |
Destination airport | Los Angeles - Ontario Intl. |
Return price | S$404 |
Distance | 2713 km |
Average flight time | 2 hours 55 mins |
Perfect flights from Chicago to Ontario
Your Journey from Chicago to Ontario
Start your unforgettable journey with Expedia. Our broad selection of flights from Chicago to Ontario caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
Choosing Your Ideal Flight
With Expedia, you have access to a wide range of airlines, including Delta, United, American Airlines. Our selection of flights from O'Hare Intl. to Los Angeles - Ontario Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
Maximizing Value with Chicago to Ontario Flights
Experience the joy of finding cheap flights from O'Hare Intl. to Los Angeles - Ontario Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$203 and roundtrip prices from S$405*.
Pre-Flight Essentials
Ensure a smooth journey from Chicago to Ontario with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
Experience the Vibrant Ontario
Picture yourself stepping off the plane in Ontario and immersing yourself in the unique atmosphere of Los Angeles. From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
Added Convenience on Your Chicago to Ontario Flight
Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Chicago to Ontario.
Beyond the Flight – Exploring Ontario
With Expedia, your adventure extends beyond the flight. Explore Ontario at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
Book Your Flight from Chicago to Ontario with Confidence
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Chicago to Ontario with confidence. Book your travel arrangements with Expedia today.
*Note: Prices may vary based on availability and are subject to change.
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Popular flights to Ontario
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Ontario Airports
Los Angeles
S$327.80
Orange County
S$353.60
Long Beach
S$391.20
Burbank
Chicago Airports
Chicago
Expedia's Latest Trends
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San Francisco to Grand Canyon (SFO - GCN)Los Angeles to Baltimore (LAX - BWI)San Francisco to Los Angeles (SFO - LAX)Kuala Lumpur to Los Angeles (KUL - LAX)San Francisco to Vancouver (SFO - YVR)Singapore to Chicago (SIN - ORD)Toronto to San Francisco (YYZ - SFO)Buffalo to Los Angeles (BUF - LAX)San Francisco to New York (SFO - JFK)Vancouver to San Francisco (YVR - SFO)Los Angeles to Aspen (LAX - ASE)Los Angeles to San Francisco (LAX - SFO)Singapore to Los Angeles (SIN - LAX)San Francisco to Las Vegas (SFO - LAS)Chicago to Singapore (ORD - SIN)Las Vegas to Los Angeles (LAS - LAX)Los Angeles to Tampa (LAX - TPA)Los Angeles to Boston (LAX - BOS)San Francisco to Seattle (SFO - SEA)Los Angeles to Singapore (LAX - SIN)San Francisco to Singapore (SFO - SIN)Los Angeles to Las Vegas (LAX - LAS)Los Angeles to Vancouver (LAX - YVR)Singapore to San Francisco (SIN - SFO)Phoenix to Los Angeles (PHX - LAX)Los Angeles to New York (LAX - NYC)Las Vegas to San Francisco (LAS - SFO)Singapore to San Diego (SIN - SAN)Los Angeles to Orlando (LAX - MCO)New York to Los Angeles (NYC - LAX)
*Available to Expedia members.