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Did you mean flights from Ontario, California to Chicago?

Flights from Chicago to Ontario, United States

TIPSave $174 by flying into Las Vegas, Nevada instead of Ontario, California from Chicago

Chicago to Ontario, California Last modified: Jun 27, 2017 9:24 -04:00Prices shown were found by travelers like you over the past 30 days

We've scanned 28,914,024,697 round trip itineraries and found the cheapest flights to Ontario, California. American & United frequently offer the best deals to Ontario, California flights, or select your preferred carrier below to see the cheapest days to fly.

American
CHIONT
Wed 10/18
nonstop
ONTCHI
Mon 10/23
nonstop
$177
United
CHIONT
Wed 9/27
nonstop
ONTCHI
Tue 10/3
nonstop
$187
Alaska
CHIONT
Wed 9/27
nonstop
ONTCHI
Tue 10/3
nonstop
$197

How Much is a Flight from Chicago to Ontario, California? Prices shown were found by travelers like you over the past 30 days

We have collected flight cost data from across the web for travel from Chicago to Ontario, California, and have found the average flight price for this trip to be $276.

Where To Buy Cheap Flights from Chicago to Ontario, California?

The best way to find a great deal on airfare is to search multiple sites. When you run a search on FareCompare, we search multiple sites and fare sources all at once so you don't have to - which is why we think FareCompare is the best place to find cheap tickets. Airlines can adjust prices for tickets from Chicago to Ontario, California based on the day and time that you decide to book your flight. We have collected data from all airlines, and have found that Tuesdays, Wednesdays, and Saturdays are often the best days to book flights. If you'd like to learn more, read our article about the best time to buy airline tickets.

How far in advance should I book tickets from Chicago to Ontario, California? Prices shown were found by travelers like you over the past 30 days

The chart below shows up-to-date information regarding how far in advance to book your flight from Chicago to Ontario, California.

Non Stop versus Connecting
Advanced PurchaseNon StopConnecting
< 7 days $0 $442
7-14 days $279 $287
14-21 days $311 $302
21-30 days $301 $319
30-60 days $275 $252
60-90 days $0 $205
90+ days $177 $204

Cheapest Day To Fly from Chicago to Ontario, California Prices shown were found by travelers like you over the past 30 days

We've examined 28,926,578,480 itinerary searches that we've seen for departures in the next 90 days and found that the cheapest day to fly from Chicago to Ontario, California is Tuesday. See the chart below to compare prices for other days of the week.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$347$205$252$252$280$252$339

Compare Flight Prices from Chicago to Ontario, California by Month Prices shown were found by travelers like you over the past 30 days

Low priced flights are most commonly available by purchasing between one and three months in advance. International or holiday flights may need to be purchased even further in advance. The chart below shows the cheapest flight prices by month for Chicago to Ontario, California flights.

Month Origin Destination Carrier Depart Date Return Date Stops Price
June Chicago Ontario, California United 6/30/17 7/4/17 1 $442
July Chicago Ontario, California American 7/8/17 7/15/17 0 $279
August Chicago Ontario, California American 8/22/17 8/30/17 1 $252
September Chicago Ontario, California United 9/27/17 10/3/17 0 $187
October Chicago Ontario, California American 10/18/17 10/23/17 0 $177
November Chicago Ontario, California American 11/29/17 12/9/17 1 $252
December Chicago Ontario, California United 12/1/17 12/8/17 1 $326
January Chicago Ontario, California American 1/1/18 1/14/18 1 $436

Cheap Last Minute Flights from Chicago to Ontario, California Prices shown were found by travelers like you over the past 30 days

Looking for cheap last minute flights or a weekend getaway? We've got you covered with weekend flight deals from Chicago to Ontario, California. The chart below shows the best last minute deals and cheap flights this weekend we could find.

Next 30 Days

SunMonTueWedThuFriSat
25 26 27 28 29 30 1
$442
2 3 4 5 6 7 8
$442 $301
9 10 11 12 13 14 15
$301 $327
16 17 18 19 20 21 22
$327 $367
23 24 25 26 27 28 29
$367 $319
30 31 1 2 3 4 5
$319

Connecting Flights vs Direct Flights from Chicago to Ontario, California Prices shown were found by travelers like you over the past 30 days

Flights between some cities may be significantly cheaper if you choose a multi-stop airline ticket. Although these connecting flights sacrifice some convenience, on average, travelers save 20%-60% when they choose to fly multi-stop versus a direct flight.

The average price for connecting flights from Chicago to Ontario, California is $318.

The average price for direct flights from Chicago to Ontario, California is $232.

The chart below shows up to date information regarding non-stop flights from Chicago to Ontario, California.

Weekly Direct Flights from Chicago to Ontario, California - By Carrier
CarrierMonTueWedThuFriSatSunEarliest FlightLatest Flight
American 1 1 1 1 1 1 1 20:30 20:30
Major Airlines 1 1 1 1 1 1 1 19:15 20:00

One Way Flights vs Round Trip Flights from Chicago to Ontario, California Prices shown were found by travelers like you over the past 30 days

We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from Chicago to Ontario, California. However, booking a round trip flight can be a simpler process. You can compare round trip and one way flights by using our flight comparison.

The average price for one way flights from Chicago to Ontario, California is $202.

The average price for round trip flights from Chicago to Ontario, California is $322.

Chicago to Ontario, California Flight Questions

Below are some common questions that asked about this flight route:

Question: How long is the flight from Chicago to Ontario, California?
Answer: The average Chicago to Ontario, California flight time is 4 hours and 13 minutes.
Question: How far is Ontario, California from Chicago?
Answer: The distance from Chicago to Ontario, California is 1,695 miles (2,727 kilometers).
Question: How common are direct flights from Chicago to Ontario, California?
Answer: There are 14 direct flights from Chicago to Ontario, California.
Question: What are the most popular Chicago airlines for direct flights from Chicago to Ontario, California?
Answer: Major Airlines provides 50% of the non-stop flights between Chicago and Ontario, California.
Question: What are the most popular connecting cities when flying from Chicago to Ontario, California?
Answer: San Francisco, CA

Airlines in Chicago flying to Ontario, California Last modified: Jun 27, 2017 9:24 -04:00Number of routes searched: 255Number of itineraries searched: 121,999

Wondering which airlines fly out of Chicago to Ontario, California? We've gathered the average price of Chicago airlines with flights to Ontario, California. Different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Below is the full flight schedule summary showing which days of the week individual carriers offer flights for the next 30 days.

Chicago to Ontario, California
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American -
Alaska -
United -
Virgin America -
American DEN
American DFW
American IAH
American OKC
Alaska SEA
Alaska PDX
Alaska SFO
Major Airlines ATL
Major Airlines DTW
Major Airlines MSP
Major Airlines SLC
United DEN
United SFO
United ABQ
United AUS
Virgin America SFO

Chicago to Ontario, California Airports

These are the major commercial airports we're currently monitoring in Chicago and Ontario, California. If your route includes a city with multiple airports, you may be able to find substantial savings by choosing an alternate airport.

Farecompare Research Tools

FareCompare's Flight Schedule Search Tool helps you find information about airline schedule filings, including flight numbers, depart times, and travel distance.

Cheap Flights from Chicago to Ontario, California