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

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

$390
$300
$210
$122
Price
$122 - $392
Most popular in December High demand for flights, 14% potential price rise
Cheapest in February Best time to find cheap flights, 5% potential price drop
Average price $264 Price for this month
Cheapest price $122 From Chicago-O'Hare Intl to Ontario International

Cheap flights from Chicago-O'Hare Intl to Ontario International in January 2020

The best prices found for ORD to ONT flights for January
26 Jan - 29 Jan
$207pp
ORD
Chicago O'Hare Intl
Major Airline
 
1 STOP
ONT
Ontario
ONT
Ontario
Major Airline
 
1 STOP
ORD
Chicago O'Hare Intl
30 Jan - 4 Feb
$212pp
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
ONT
Ontario
ONT
Ontario
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
31 Jan - 4 Feb
$230pp
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
ONT
Ontario
ONT
Ontario
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl

Chicago-O'Hare Intl to Ontario International 2020 flight deals

Cheap flights to Ontario International from Chicago-O'Hare Intl found for this year
25 Feb - 3 Mar
$159pp
ORD
Chicago O'Hare Intl
United Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
United Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
26 Aug - 2 Sep
$163pp
ORD
Chicago O'Hare Intl
American Airlines
   
2 STOPS
ONT
Ontario
ONT
Ontario
American Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
24 Feb - 25 Feb
$204pp
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
ONT
Ontario
ONT
Ontario
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl

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

Late deals on round-trip flights to Ontario International from Chicago-O'Hare Intl, departing today and this week
26 Jan - 29 Jan
$207pp
ORD
Chicago O'Hare Intl
Major Airline
 
1 STOP
ONT
Ontario
ONT
Ontario
Major Airline
 
1 STOP
ORD
Chicago O'Hare Intl
23 Jan - 5 Feb
$217pp
ORD
Chicago O'Hare Intl
American Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
American Airlines
 
1 STOP
ORD
Chicago O'Hare Intl

Alternative routes for Chicago-O'Hare Intl to Ontario International

Destination information for Ontario International

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

Airports servicing Chicago

Airports servicing Ontario

Related info for your journey

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

Flight FAQs

From Chicago-O'Hare Intl to Ontario International

What days are nonstop flights available from Chicago-O'Hare Intl to Ontario?

Nonstop flights can be found on the following days: Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday.

How popular is this flight route?

This flight path from Chicago O'Hare Intl to Ontario was viewed by 1,530 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What percent of flights are delayed?

Flights from Chicago-O'Hare Intl to Ontario are usually on time.

How many passenger seats are available on a flight on this route?

Commercial airlines for the flight route can seat a total of 79,634,588 passengers per day from Chicago O'Hare Intl to Ontario.

What is the cheapest airline for this route?

Currently, American Airlines Inc. offers the cheapest flights from Chicago-O'Hare Intl to Ontario. On average 416 flights can be found for this airline route daily.

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 13 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.

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