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Cheap flights from Chicago-O'Hare Intl to Ontario (ORD - ONT)

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The best prices from Chicago-O'Hare Intl to Ontario are usually found in February or September, booked 52 days in advance, depart on a Saturday or Tuesday and return on a Saturday

How to find the cheapest flight from
Chicago-O'Hare Intl (ORD) to Ontario (ONT)

ORD - ONT
Price
$122 - $392
Popular in December High demand for flights, 32% potential price rise
Cheapest in February Best time to find cheap flights, 55% potential price drop
Average price $215 Average for round-trip flights in September 2020
Round-trip from $122 From Chicago-O'Hare Intl to Ontario
Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Chicago-O'Hare Intl to Ontario?

Saturday flights are found to be more expensive to fly from Chicago-O'Hare Intl to Ontario. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Ontario.

How far in advance should I book a flight from Chicago-O'Hare Intl to Ontario?

To save up to 8% on this flight, we recommend booking at least 17 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Chicago-O'Hare Intl to Ontario from $87 1-2 weeks out and tickets from $97 for flights departing within the next 72 hours.

What is the cheapest month to fly from Chicago-O'Hare Intl to Ontario?

September is one of the best times of the year to fly to Ontario from Chicago-O'Hare Intl. Prices for September average $95 per person but you can even find prices for as low as $46. The most expensive prices can be found in the month of December. Opting for a September flight can save you 12% on your journey compared to booking in September

When is the cheapest time to fly from Chicago-O'Hare Intl to Ontario (ORD - ONT)?

One of the essential ways to save on airfare from Chicago-O'Hare Intl to Ontario is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at noon could potentially save you up to 28% on airfare.

Cheap flights from Chicago-O'Hare Intl to Ontario in September, October 2020

The best prices found for ORD to ONT flights for September, October
11 Oct - 16 Oct
$155pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
Multiple Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
10 Oct - 16 Oct
$173pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
Multiple Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
16 Oct - 19 Oct
$177pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
Multiple Airlines
 
1 STOP
ORD
Chicago O'Hare Intl

Chicago-O'Hare Intl to Ontario 2020 flight deals

Cheap flights to Ontario from Chicago-O'Hare Intl found for this year
11 Oct - 16 Oct
$155pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
Multiple Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
10 Oct - 16 Oct
$173pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
Multiple Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
16 Oct - 19 Oct
$177pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
Multiple Airlines
 
1 STOP
ORD
Chicago O'Hare Intl

Last minute flights from Chicago-O'Hare Intl to Ontario

Late deals on round-trip flights to Ontario from Chicago-O'Hare Intl, departing today and this week
22 Sep - 23 Sep
$333pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
24 Sep - 29 Sep
$368pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
Alaska Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
24 Sep - 29 Sep
$430pp
ORD
Chicago O'Hare Intl
Delta
   
2 STOPS
ONT
Ontario
ONT
Ontario
Delta
   
2 STOPS
ORD
Chicago O'Hare Intl

One-way flights to Ontario from Chicago-O'Hare Intl

The cheapest one-way flights from Chicago-O'Hare Intl to Ontario
3:45 pm - 11:44 am
Multiple Airlines
1 Stop
21h 59m
ORD - ONT
Multiple Airlines
$482
United
8:35 am - 4:32 pm
Delta
1 Stop
9h 57m
ORD - ONT
Delta
$525
Delta
5:18 am - 4:40 pm
JetBlue
1 Stop
13h 22m
ORD - ONT
JetBlue

Related info for your journey

Useful info, stats and facts about Chicago-O'Hare Intl to Ontario flights.

Flight FAQs

From Chicago-O'Hare Intl to Ontario

Are flight prices decreasing from Chicago-O'Hare Intl to Ontario due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Chicago-O'Hare Intl and Ontario for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from Chicago-O'Hare Intl to Ontario for under $200 on Cheapflights?

Yes, there are multiple flights from Chicago-O'Hare Intl to Ontario for under $200. The cheapest flight booked recently is on Multiple Airlines for just $155, but on average you can expect to pay $253.

Are there nonstop flights from Chicago-O'Hare Intl to Ontario for under $200 on Cheapflights?

There are no nonstop flights from Chicago-O'Hare Intl to Ontario, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from Chicago-O'Hare Intl to Ontario for under $400?

There are currently 11+ open flights from Chicago-O'Hare Intl to Ontario within the next 7 days for less than $400.

Does it rain more in Chicago-O'Hare Intl or Ontario?

When traveling, it's generally smart to pack in preparation for rain or any other conditions that may arise. The rainfall in Chicago-O'Hare Intl is roughly greater than that of Ontario. You can assume this to be the case over the next 12 days.

Is Chicago-O'Hare Intl weather warmer or cooler than Ontario?

We forecast the temperature to be around the 95 °F's in July, on average. The temperature in Ontario is generally hotter than in Chicago-O'Hare Intl. Book flights in a timely manner in correlation to your departure date.

How long is the flight from Chicago-O'Hare Intl to Ontario?

Delta can get you from Chicago-O'Hare Intl to Ontario in just under 6h 40m. Your travel time can differ by up to .

What is the cheapest airline to fly from Chicago-O'Hare Intl to Ontario round-trip?

Our cheapest airline available from Chicago-O'Hare Intl to Ontario is Delta. Our recent data shows that you can find tickets from as low as $289 on this airline.

What are the cheapest airlines to fly from Chicago-O'Hare Intl to Ontario one-way?

$128 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on JetBlue, with prices from $448.

Alternative routes for Chicago-O'Hare Intl to Ontario

Destination information for Ontario

Things to know before you go. Useful info for your trip from Chicago-O'Hare Intl to Ontario

Airports servicing Chicago

Airports servicing Ontario

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