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

ORD — ONT
Dec 6 — Dec 131

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

All the information you need to plan the best ORD to ONT flight in 2022: compare O'Hare Intl to Ontario flight prices with the expected peak season, weather and rainfall in Ontario.

ORD - ONT

Price

$210 - $701

ONT

Temperature

53.6 - 78.8 °F

ONT

Rainfall

0.1 - 3.4 inches

Popular inJuneHigh demand for flights, 40% potential price rise
Cheapest inJanuaryBest time to find cheap flights, 50% potential price drop
Round-trip from$210From Chicago O'Hare Intl to Ontario
One-way from$119One-way flight from Chicago O'Hare Intl to Ontario

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

To save on the cost of your flight from Chicago O'Hare Intl Airport to Ontario, book at least 53 days before your planned departure. Booking around this time can save you about 43% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $350 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $448.

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

Flights from Chicago O'Hare Intl Airport to Ontario lean towards being more expensive in June. Prices are generally better when you fly from Chicago O'Hare Intl Airport to Ontario in January, with the cheapest ticket starting at $97.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Chicago O'Hare Intl Airport to Ontario as you normally would.

Cheap flights from O'Hare Intl to Ontario in December, January 2022

The best prices found for ORD to ONT flights for December, January
Dec 6 - Dec 7
ORD

Chicago O'Hare Intl

ONT

Ontario

1 stop

10h 26m
ONT

Ontario

ORD

Chicago O'Hare Intl

1 stop

12h 47m
$112

Frontier

Pick Dates

Deal found 11/28

Dec 6 - Dec 8
ORD

Chicago O'Hare Intl

ONT

Ontario

1 stop

10h 26m
ONT

Ontario

ORD

Chicago O'Hare Intl

1 stop

14h 05m
$123

Frontier

Pick Dates

Deal found 11/28

Jan 18 - Jan 24
ORD

Chicago O'Hare Intl

ONT

Ontario

1 stop

28h 11m
ONT

Ontario

ORD

Chicago O'Hare Intl

1 stop

9h 59m
$137

Multiple Airlines

Pick Dates

Deal found 11/28

O'Hare Intl to Ontario 2022 flight deals

Cheap flights to Ontario from O'Hare Intl found for this year
Dec 6 - Dec 7
ORD

Chicago O'Hare Intl

ONT

Ontario

1 stop

10h 26m
ONT

Ontario

ORD

Chicago O'Hare Intl

1 stop

12h 47m
$112

Frontier

Pick Dates

Deal found 11/28

Dec 6 - Dec 8
ORD

Chicago O'Hare Intl

ONT

Ontario

1 stop

10h 26m
ONT

Ontario

ORD

Chicago O'Hare Intl

1 stop

14h 05m
$123

Frontier

Pick Dates

Deal found 11/28

Dec 6 - Dec 12
ORD

Chicago O'Hare Intl

ONT

Ontario

1 stop

10h 26m
ONT

Ontario

ORD

Chicago O'Hare Intl

1 stop

11h 40m
$145

Frontier

Pick Dates

Deal found 11/29

Cheap Frontier flights from O'Hare Intl to Ontario

Dec 6 - Dec 7
ORD

Chicago O'Hare Intl

ONT

Ontario

1 stop

10h 26m
ONT

Ontario

ORD

Chicago O'Hare Intl

1 stop

12h 47m
$112

Frontier

Pick Dates

Deal found 11/28

Dec 6 - Dec 8
ORD

Chicago O'Hare Intl

ONT

Ontario

1 stop

10h 26m
ONT

Ontario

ORD

Chicago O'Hare Intl

1 stop

14h 05m
$123

Frontier

Pick Dates

Deal found 11/28

Dec 6 - Dec 12
ORD

Chicago O'Hare Intl

ONT

Ontario

1 stop

10h 26m
ONT

Ontario

ORD

Chicago O'Hare Intl

1 stop

11h 40m
$145

Frontier

Pick Dates

Deal found 11/29

Last minute flights from O'Hare Intl to Ontario

Late deals on return flights to Ontario from O'Hare Intl, departing today and this week
Dec 6 - Dec 7
ORD

Chicago O'Hare Intl

ONT

Ontario

1 stop

10h 26m
ONT

Ontario

ORD

Chicago O'Hare Intl

1 stop

12h 47m
$112

Frontier

Pick Dates

Deal found 11/28

Dec 6 - Dec 8
ORD

Chicago O'Hare Intl

ONT

Ontario

1 stop

10h 26m
ONT

Ontario

ORD

Chicago O'Hare Intl

1 stop

14h 05m
$123

Frontier

Pick Dates

Deal found 11/28

Dec 6 - Dec 12
ORD

Chicago O'Hare Intl

ONT

Ontario

1 stop

10h 26m
ONT

Ontario

ORD

Chicago O'Hare Intl

1 stop

11h 40m
$145

Frontier

Pick Dates

Deal found 11/29

One-way flights to Ontario from O'Hare Intl

The cheapest one-way flights from O'Hare Intl to Ontario
Jan 10
ORD

Chicago O'Hare Intl

ONT

Ontario

1 stop

21h 19m
$65

Frontier

Pick Dates

Deal found 12/1

Dec 20
ORD

Chicago O'Hare Intl

ONT

Ontario

1 stop

26h 17m
$73

Multiple Airlines

Pick Dates

Deal found 11/29

Feb 5
ORD

Chicago O'Hare Intl

ONT

Ontario

1 stop

21h 29m
$86

Frontier

Pick Dates

Deal found 12/1

Related info for your journey

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

What airport do you fly into for flights to Ontario from Chicago O'Hare Intl?

Ontario (ONT) is the airport you will fly into if you book a flight from Chicago O'Hare Intl to Ontario. You should not have trouble finding flights to Ontario from Chicago O'Hare Intl; the airport handles an average of 0 inbound flights from Chicago O'Hare Intl per day. You should also have plenty of airline options to choose from since 7 airlines have flights to the Ontario airport from Chicago O'Hare Intl. It is only a 3.1 mi journey from Ontario (ONT) to Ontario’s city center.

Which airlines flying from Chicago O'Hare Intl to Ontario have flexible cancellations due to COVID-19?

American Airlines, United Airlines, and Frontier are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

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

Yes, there are multiple flights from Chicago O'Hare Intl Airport to Ontario for under $200. The cheapest flight booked recently is on Multiple Airlines for just $142, but on average you can expect to pay $170.

Are there last-minute flights available from Chicago O'Hare Intl Airport to Ontario for under $200?

There are currently 20+ open flights from Chicago O'Hare Intl Airport to Ontario within the next 7 days for less than $200.

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

Our cheapest airline available from Chicago O'Hare Intl Airport to Ontario is Frontier. Our recent data shows that you can find tickets from as low as $154 on this airline. Frontier is 63% cheaper than the average price of flights available within the next 90 days to this destination.

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

$65 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on United Airlines and Delta, with prices starting from $111 and $119, respectively.

What are the most popular airlines that fly from Chicago O'Hare Intl Airport to Ontario?

Before booking your flight from Chicago O'Hare Intl Airport to Ontario check out the most popular airlines for this route: American Airlines, Alaska Airlines or Delta.

What are the cheapest flights from Chicago O'Hare Intl Airport to Ontario?

On average you can expect to pay $409 for a flight from Chicago O'Hare Intl Airport to Ontario. The cheapest flight overall is $105 while the most popular route, (Chicago O'Hare Intl - Ontario) is currently priced at $168.

Alternative routes for O'Hare Intl to Ontario

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from O'Hare Intl to Ontario

The chart below displays the airlines Cheapflights users traveling from O'Hare Intl to Ontario choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Juneyao AirlinesCheapest$16Average$22FlexibilityNo cancel feeOn-time66%COVID-19 safety
Search Juneyao Airlines flights
FrontierCheapest$111Average$238FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search Frontier flights
Spirit AirlinesCheapest$172Average$348FlexibilityNo cancel feeOn-time65%COVID-19 safety
Search Spirit Airlines flights
American AirlinesCheapest$242Average$597FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
United AirlinesCheapest$285Average$601FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
DeltaCheapest$295Average$508FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights

Hourly flight availability from O'Hare Intl to Ontario

See what time of day planes typically take off from O'Hare Intl to Ontario
0%of flight departuresEarly morningMidnight to 6 am
100%of flight departuresMorning6 am to noon
0%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM