R1 880+ Cheap flights from Ontario

ONT — CPT
Nov 27 — Dec 41
1 adult
1 adult, Economy, 0 bags

Find flights from Ontario within your budget

 

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Cheapest return flight

OntarioChicago

ONT Ontario - ORD Chicago O'Hare Intl

ONTORD

Ontario

Thu 17/12

7:00-21:35

2 stops12h 35m

Chicago O'Hare Intl

Wed 31/12

0:00-22:00

Nonstop0h 00m

R2 246

OntarioChicago

ONT Ontario - ORD Chicago O'Hare Intl

ONTORD

Ontario

Tue 1/12

13:11-21:56

1 stop6h 45m

Chicago O'Hare Intl

Wed 31/12

0:00-22:00

Nonstop0h 00m

R2 512

OntarioChicago

ONT Ontario - ORD Chicago O'Hare Intl

ONTORD

Ontario

Wed 7/4

12:00-23:59

1 stop9h 59m

Chicago O'Hare Intl

Wed 31/12

0:00-22:00

Nonstop0h 00m

R2 811

OntarioChicago

ONT Ontario - ORD Chicago O'Hare Intl

ONTORD

Ontario

Thu 5/11

6:20-16:53

1 stop8h 33m

Chicago O'Hare Intl

Wed 31/12

0:00-22:00

Nonstop0h 00m

R2 811

OntarioChicago

ONT Ontario - ORD Chicago O'Hare Intl

ONTORD

Ontario

Sun 15/11

7:00-16:47

1 stop7h 47m

Chicago O'Hare Intl

Wed 31/12

0:00-22:00

Nonstop0h 00m

R2 811

OntarioChicago

ONT Ontario - ORD Chicago O'Hare Intl

ONTORD

Ontario

Tue 8/12

7:00-13:11

Nonstop4h 11m

Chicago O'Hare Intl

Wed 31/12

0:00-22:00

Nonstop0h 00m

R2 978

OntarioChicago

ONT Ontario - ORD Chicago O'Hare Intl

ONTORD

Ontario

Thu 26/11

7:00-13:04

Nonstop4h 04m

Chicago O'Hare Intl

Wed 31/12

0:00-22:00

Nonstop0h 00m

R2 994
Fastest return journey

OntarioChicago

ONT Ontario - ORD Chicago O'Hare Intl

ONTORD

Ontario

Sat 26/12

23:52-5:46

Nonstop3h 54m

Chicago O'Hare Intl

Wed 31/12

0:00-22:00

Nonstop0h 00m

R3 643

OntarioChicago

ONT Ontario - ORD Chicago O'Hare Intl

ONTORD

Ontario

Fri 2/4

13:33-23:29

1 stop7h 56m

Chicago O'Hare Intl

Wed 31/12

0:00-22:00

Nonstop0h 00m

R3 809

OntarioChicago

ONT Ontario - ORD Chicago O'Hare Intl

ONTORD

Ontario

Tue 23/2

6:00-17:01

1 stop9h 01m

Chicago O'Hare Intl

Mon 1/3

6:00-14:47

1 stop10h 47m

R4 308

Flights are sorted by cheapest return flights first.

Deals found on 25/10

Showing 1-10 of 22 resultsSorted by cheapest first
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Best time to book a flight from Ontario

Have a flexible travel schedule? Discover the best time to fly from Ontario with our price prediction graph.
Estimated return price

Travel insights for flights from Ontario

Get recent, data-driven insights about flights from Ontario including ideal travel times, pricing trends, and more.

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Related info for your journey

  • What are the most popular destinations to fly to from Ontario?

    The most selected flight destinations from Ontario for the current month are Guadalajara, Las Vegas, Denver. While Las Vegas, Dallas/Fort Worth Airport, Guadalajara are the top choices made by travellers year-round.

  • How does Cheapflights help users find flights from Ontario?

    When you search for this flight from Ontario, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

  • Why should you use Cheapflights to find cheap flight tickets from Ontario?

    Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ontario for you. Better yet — we are completely free to use.

  • Can Cheapflights find flights from Ontario with no change fees?

    Need flexible booking options for your flight from Ontario ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

  • Can Cheapflights notify me if prices for flights from Ontario become cheaper?

    Of course! You can now track prices for flights from Ontario and get an alert from Cheapflights when they change. Click the bell icon next to the flight deals above and provide your email address to set up price alerts.

See more FAQs

Fly with Cheapflights

How does Cheapflights help users find flights from Ontario?

When you search for this flight from Ontario, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

Why should you use Cheapflights to find cheap flight tickets from Ontario?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ontario for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Ontario with no change fees?

Need flexible booking options for your flight from Ontario ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Ontario become cheaper?

Of course! You can now track prices for flights from Ontario and get an alert from Cheapflights when they change. Click the bell icon next to the flight deals above and provide your email address to set up price alerts.

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Our users can plan ahead with confidence and find flights with no change fees.

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Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.