Find flights
Deals
Airlines
FAQs

Cheap flights from Chicago O'Hare Intl Airport to Ontario from C$ 146

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YYZ
5 Nov — 12 Nov1
1 adult

Find flight deals from O'Hare Intl to Ontario

Cheapest flights from O'Hare Intl to Ontario
Explore the most affordable flight options available from O'Hare Intl to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 October 2024.

Mon 2/128:25 p.m.ORD - YUL
1 stop4h 28mAir Canada
Wed 4/129:15 a.m.YUL - ORD
1 stop4h 56mAir Canada
Deal found 31/10C$ 355
Sat 14/127:20 a.m.ORD - YYZ
1 stop5h 23mUnited Airlines
Sat 14/125:30 p.m.YYZ - ORD
Nonstop2h 07mUnited Airlines
Deal found 29/10C$ 377
Tue 3/128:25 p.m.ORD - YUL
1 stop12h 45mAmerican Airlines
Wed 4/1212:30 p.m.YUL - ORD
Nonstop2h 55mAmerican Airlines
Deal found 30/10C$ 385
Thu 5/128:11 a.m.ORD - YYZ
Nonstop1h 45mMultiple Airlines
Sun 8/129:00 a.m.YYZ - ORD
Nonstop2h 06mMultiple Airlines
Deal found 30/10C$ 402
Tue 26/112:00 p.m.ORD - YTZ
1 stop5h 43mAir Canada
Tue 3/1210:25 a.m.YTZ - ORD
1 stop5h 20mAir Canada
Deal found 31/10C$ 413
Tue 24/124:00 p.m.ORD - YYZ
Nonstop1h 41mAir Canada
Mon 6/12:00 p.m.YYZ - ORD
Nonstop1h 51mAir Canada
Deal found 30/10C$ 413
Tue 3/125:00 a.m.ORD - YTZ
2 stops15h 25mMultiple Airlines
Tue 17/124:30 p.m.YTZ - ORD
1 stop9h 04mMultiple Airlines
Deal found 30/10C$ 419
Tue 3/125:00 a.m.ORD - YUL
1 stop11h 35mMultiple Airlines
Wed 4/124:00 p.m.YUL - ORD
2 stops9h 34mMultiple Airlines
Deal found 31/10C$ 420
Thu 5/128:25 a.m.ORD - YYZ
1 stop7h 14mDelta
Mon 9/1212:30 p.m.YYZ - ORD
1 stop7h 01mDelta
Deal found 30/10C$ 441
Wed 20/1110:30 a.m.ORD - YYZ
1 stop7h 30mAmerican Airlines
Mon 25/114:44 p.m.YYZ - ORD
Nonstop2h 00mAmerican Airlines
Deal found 30/10C$ 442
Fri 6/125:40 a.m.ORD - YUL
1 stop10h 19mDelta
Wed 11/1212:50 p.m.YUL - ORD
1 stop4h 40mDelta
Deal found 30/10C$ 449
Fri 13/125:25 p.m.ORD - YYZ
1 stop5h 09mWestJet
Sun 15/126:30 a.m.YYZ - ORD
1 stop6h 09mWestJet
Deal found 31/10C$ 461

Find flights from O'Hare Intl to Ontario within your budget

Customize your flight search to find flights from O'Hare Intl to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 527,020 searches. Data last updated 31 October 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoToronto

ORD - YTZ

ORDYTZ

Chicago O'Hare Intl

Tue 3/12

5:00 a.m.-9:25 p.m.

2 stops15h 25m

C$ 166

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Tue 3/12

2:05 p.m.-4:46 p.m.

Nonstop1h 41m

C$ 170

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Tue 26/11

8:35 a.m.-11:50 a.m.

Nonstop2h 15m

C$ 171

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Sat 30/11

2:00 p.m.-7:30 p.m.

1 stop4h 30m

C$ 177

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Wed 27/11

6:17 a.m.-1:41 p.m.

1 stop6h 24m

C$ 184

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Sat 30/11

7:05 a.m.-12:00 p.m.

1 stop3h 55m

C$ 218

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Wed 13/11

1:11 p.m.-11:35 p.m.

1 stop9h 24m

C$ 168

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Mon 25/11

2:00 p.m.-9:48 p.m.

1 stop6h 48m

C$ 178

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Wed 29/1

5:00 a.m.-2:55 p.m.

1 stop8h 55m

C$ 174

ChicagoToronto

ORD - YTZ

ORDYTZ

Chicago O'Hare Intl

Tue 3/12

2:01 p.m.-7:50 p.m.

1 stop4h 49m

C$ 184

Flights are sorted by cheapest first

Deals found on 30/10

Showing 1-10 of 42 results
1
2
3
...
5

Best time to book a flight from O'Hare Intl to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from O'Hare Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from O'Hare Intl to Ontario

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

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Region of Ontario?

Currently, October is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Region of Ontario (average of C$ 178). Flying from Chicago O'Hare Intl Airport to Region of Ontario in July is currently the most expensive (average of C$ 258). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ORD to ON?

Find hourly flight availability from O'Hare Intl to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 31 October 2024.

When flying from Chicago O'Hare Intl Airport to Region of Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Region of Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated 31 October 2024.
See what other customers who have flown with Air Canada, Delta and United Airlines from Chicago to Ontario have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,835 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,835 reviews
Delta
8.0
Very good
8,835 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
9,240 reviews
Delta
8.0
Very good
8,835 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

WestJet
7.3
Good
2,804 reviews
Delta
8.0
Very good
8,835 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,835 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Canada
7.0
Good
8,095 reviews
Delta
8.0
Very good
8,835 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    C$ 170 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Air Canada and Delta, with prices starting from C$ 171 and C$ 184, respectively.

  • What are the most popular routes from Chicago O'Hare Intl Airport to Region of Ontario?

    When deciding which route to take from Chicago O'Hare Intl Airport to Region of Ontario consider Chicago O'Hare Intl - Toronto Pearson Intl, Chicago O'Hare Intl - Montreal Pierre Elliott Trudeau Intl or Chicago O'Hare Intl - Toronto Island as they are the most popular.

  • What are the most reliable airlines from Chicago O'Hare Intl Airport to Region of Ontario?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Chicago O'Hare Intl Airport to Region of Ontario on time: Republic Airways (91%), SkyWest Airlines (84%), Japan Airlines (84%).

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

    While on average a flight from Chicago O'Hare Intl Airport to Region of Ontario is generally C$ 372, our data shows the cheapest flight currently is C$ 155. When looking at the most popular route, (Chicago O'Hare Intl - Toronto Pearson Intl), you can expect to pay C$ 369 for that flight.

  • Can I find deals for flights from O'Hare Intl to Ontario that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Ontario.

  • Can I find deals for business class flights from O'Hare Intl to Ontario?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Region of Ontario?

    Currently, October is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Region of Ontario (average of C$ 178). Flying from Chicago O'Hare Intl Airport to Region of Ontario in July is currently the most expensive (average of C$ 258). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for O'Hare Intl to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Vancouver Intl flights
O'Hare Intl to Pearson Intl flights
O'Hare Intl to Pierre Elliott Trudeau Intl flights
Midway to Toronto Island flights
O'Hare Intl to Calgary flights
Midway to Pearson Intl flights
Midway to Pierre Elliott Trudeau Intl flights
O'Hare Intl to Toronto Island flights
O'Hare Intl to Abbotsford flights
O'Hare Intl to Ottawa flights
Midway to Québec City flights
O'Hare Intl to Winnipeg flights
O'Hare Intl to Québec City flights
O'Hare Intl to Edmonton flights
Midway to Ottawa flights
O'Hare Intl to Halifax flights
O'Hare Intl to Victoria flights
O'Hare Intl to Kelowna flights
O'Hare Intl to St. John's flights
O'Hare Intl to Saskatoon flights
Midway to Kelowna flights
O'Hare Intl to Regina flights
O'Hare Intl to Charlottetown flights
O'Hare Intl to Prince George flights
O'Hare Intl to Hamilton flights
O'Hare Intl to Nanaimo flights
O'Hare Intl to Yellowknife flights

Top 2 airlines flying from O'Hare Intl to Ontario

Discover the top 2 airlines that operate flights from O'Hare Intl to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 527,020 searches. Data last updated 31 October 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 183AverageC$ 464FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 199AverageC$ 473FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from O'Hare Intl to Ontario?

Deals for O'Hare Intl to Ontario flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from O'Hare Intl to Ontario?

Millions of users choose and trust Cheapflights to book the best flight deals from O'Hare Intl to Ontario for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from O'Hare Intl to Ontario with no change fees?

Yes! Cheapflights helps users easily find flights from O'Hare Intl to Ontario with no change fees.

Can Cheapflights notify me if prices for flights from O'Hare Intl to Ontario become cheaper?

Yes! Start tracking prices for O'Hare Intl to Ontario flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
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.
View all available airlines