
Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Los Angeles - Ontario Intl. Airport (ONT)
- American Airlines
American Airlines
- Delta
Delta
- United
United
- 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$164 for one-way flights and S$327 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, 23 Aug - Sat, 30 Aug
ORD
Chicago
ONT
Ontario
S$327 Return, found 1 day ago
S$327
Return
found 1 day ago

Sat, 23 Aug - Wed, 27 Aug
ORD
Chicago
ONT
Ontario
S$329 Return, found 6 hours ago
S$329
Return
found 6 hours ago

Sat, 23 Aug - Wed, 27 Aug
ORD
Chicago
ONT
Ontario
S$329 Return, found 6 hours ago
S$329
Return
found 6 hours ago

Sat, 23 Aug - Wed, 27 Aug
ORD
Chicago
ONT
Ontario
S$341 Return, found 6 hours ago
S$341
Return
found 6 hours ago

Sat, 23 Aug - Wed, 27 Aug
ORD
Chicago
ONT
Ontario
S$341 Return, found 6 hours ago
S$341
Return
found 6 hours ago

Sat, 23 Aug - Wed, 27 Aug
ORD
Chicago
ONT
Ontario
S$352 Return, found 6 hours ago
S$352
Return
found 6 hours ago

Sat, 23 Aug - Wed, 27 Aug
ORD
Chicago
ONT
Ontario
S$355 Return, found 6 hours ago
S$355
Return
found 6 hours ago

Sat, 23 Aug - Wed, 27 Aug
ORD
Chicago
ONT
Ontario
S$365 Return, found 6 hours ago
S$365
Return
found 6 hours ago

Sat, 23 Aug - Wed, 27 Aug
ORD
Chicago
ONT
Ontario
S$366 Return, found 6 hours ago
S$366
Return
found 6 hours ago

Sat, 23 Aug - Wed, 27 Aug
ORD
Chicago
ONT
Ontario
S$367 Return, found 6 hours ago
S$367
Return
found 6 hours ago

Sat, 23 Aug - Wed, 27 Aug
ORD
Chicago
ONT
Ontario
S$379 Return, found 6 hours ago
S$379
Return
found 6 hours ago
Find the cheapest month to fly from Chicago (ORD) to Ontario (ONT)
October is typically the cheapest month to fly
From S$151 - S$409 per traveller.
Graph displaying average flight prices per month
Origin airport | O'Hare Intl. |
Destination airport | Los Angeles - Ontario Intl. |
Airlines serving | American Airlines, Delta, United |
Return price | S$326 |
Distance | 2713 km |
Average flight time | 3 hours 8 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 United, Delta, 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$164 and roundtrip prices from S$327*.
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 . 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.
Frequently asked questions
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Popular flights from Chicago
- Chicago to Newark Liberty Intl. Airport (ORD - EWR)
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Ontario Airports
Los Angeles
S$321.70
Orange County
S$328.90
Long Beach
S$431.00
Burbank
Expedia's Latest Trends
Flights
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.