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$68+ Cheap flights from O'Hare Intl (ORD) to Ontario (ONT)

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 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ONT
Jul 30 — Aug 61
From?
To?
Tue 7/30
Tue 8/6
1 adult, Economy
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The best prices from Chicago O'Hare Intl to Ontario are usually found in August or April, booked 33 days in advance, depart on a Saturday or Tuesday and return on a Saturday

Cheap flight deals from O'Hare Intl to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 25, 2024.

Popular in

December

Cheapest in

August

Round-trip from

$133
(mytrip.com)

One-way from

$68
(mytrip.com)
High demand for flights, 23% potential price rise
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Best time to find cheap flights, 18% potential price drop
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From Chicago O'Hare Intl to Ontario
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One-way flight from Chicago O'Hare Intl to Ontario
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What is the cheapest day to fly round-trip from Chicago O'Hare Intl Airport to Ontario?

Departing on a Friday is a good option for securing a great price. You can expect to save up to 47% when planning your travel around this day of the week.

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 38 days before your planned departure. Booking around this time can save you about 80% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $337 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $449.

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 March. Prices are generally better when you fly from Chicago O'Hare Intl Airport to Ontario in September, with the cheapest ticket starting at $65.

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

One of the essential ways to save on airfare from Chicago O'Hare Intl Airport to Ontario is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 25% on airfare.

Cheap O'Hare Intl to Ontario flights in July & August 2024

Find cheap flight options from O'Hare Intl to Ontario specifically for the months of July and August 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,752,877 searches. Prices were last updated on July 25, 2024.
Scroll through some of the best deals on flights from Chicago to Ontario in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
This deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/175:24 pmORD - ONT
1 stop8h 32mFrontier
Sat 8/248:03 amONT - ORD
1 stop13h 55mFrontier
Deal found 7/25$131
This mytrip.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/275:24 pmORD - ONT
1 stop8h 35mFrontier
Thu 9/52:35 pmONT - ORD
1 stop7h 31mFrontier
Deal found 7/25$134
This mytrip.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/286:32 pmORD - ONT
1 stop7h 12mFrontier
Sun 9/85:45 amONT - ORD
1 stop6h 26mFrontier
Deal found 7/25$135
This mytrip.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/286:32 pmORD - ONT
1 stop7h 12mFrontier
Sun 9/11:35 pmONT - ORD
1 stop8h 43mFrontier
Deal found 7/25$136
This mytrip.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/293:24 pmORD - ONT
1 stop18h 49mFrontier
Fri 9/65:45 amONT - ORD
1 stop17h 05mFrontier
Deal found 7/25$137
This mytrip.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/203:24 pmORD - ONT
1 stop18h 49mFrontier
Wed 8/286:00 amONT - ORD
1 stop9h 20mFrontier
Deal found 7/25$138
This mytrip.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/315:24 pmORD - ONT
1 stop8h 32mFrontier
Fri 9/62:13 pmONT - ORD
1 stop7h 34mFrontier
Deal found 7/25$139
This Frontier deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/173:44 pmORD - ONT
1 stop10h 05mFrontier
Sun 8/2512:59 amONT - ORD
1 stop6h 43mFrontier
Deal found 7/25$140
This mytrip.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/173:44 pmORD - ONT
1 stop10h 05mFrontier
Fri 8/2312:39 amONT - ORD
1 stop20h 49mFrontier
Deal found 7/25$141

O'Hare Intl to Ontario 2024 flight deals

Discover exclusive flight deals for travel between O'Hare Intl and Ontario in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 25, 2024.
Scroll through some of the best deals on flights from Chicago to Ontario in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
This deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/175:24 pmORD - ONT
1 stop8h 32mFrontier
Sat 8/248:03 amONT - ORD
1 stop13h 55mFrontier
Deal found 7/25$131
This mytrip.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/46:32 pmORD - ONT
1 stop7h 12mFrontier
Tue 9/245:45 amONT - ORD
1 stop7h 41mFrontier
Deal found 7/25$133
This mytrip.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/275:24 pmORD - ONT
1 stop8h 35mFrontier
Thu 9/52:35 pmONT - ORD
1 stop7h 31mFrontier
Deal found 7/25$134
This mytrip.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/286:32 pmORD - ONT
1 stop7h 12mFrontier
Sun 9/85:45 amONT - ORD
1 stop6h 26mFrontier
Deal found 7/25$135
This mytrip.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/286:32 pmORD - ONT
1 stop7h 12mFrontier
Sun 9/11:35 pmONT - ORD
1 stop8h 43mFrontier
Deal found 7/25$136
This mytrip.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/293:24 pmORD - ONT
1 stop18h 49mFrontier
Fri 9/65:45 amONT - ORD
1 stop17h 05mFrontier
Deal found 7/25$137
This mytrip.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/203:24 pmORD - ONT
1 stop18h 49mFrontier
Wed 8/286:00 amONT - ORD
1 stop9h 20mFrontier
Deal found 7/25$138
This mytrip.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/315:24 pmORD - ONT
1 stop8h 32mFrontier
Fri 9/62:13 pmONT - ORD
1 stop7h 34mFrontier
Deal found 7/25$139
This Frontier deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/173:44 pmORD - ONT
1 stop10h 05mFrontier
Sun 8/2512:59 amONT - ORD
1 stop6h 43mFrontier
Deal found 7/25$140

O'Hare Intl to Ontario flights leaving soon

Find last-minute flight options from O'Hare Intl to Ontario for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 25, 2024.
Check out these flights departing soon from Chicago to Ontario. Tip: verify your flight details before completing your reservation.
This mytrip.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/38:21 pmORD - ONT
1 stop12h 42mFrontier
Sat 8/3110:59 pmONT - ORD
1 stop23h 19mFrontier
Deal found 7/24$165
This mytrip.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/38:21 pmORD - ONT
1 stop12h 42mFrontier
Tue 8/2012:59 amONT - ORD
1 stop9h 20mFrontier
Deal found 7/25$167
This mytrip.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/38:21 pmORD - ONT
1 stop12h 42mFrontier
Sat 8/176:00 amONT - ORD
1 stop13h 23mFrontier
Deal found 7/25$168
This mytrip.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/38:21 pmORD - ONT
1 stop12h 42mFrontier
Fri 8/1612:39 amONT - ORD
1 stop20h 49mFrontier
Deal found 7/25$169
This mytrip.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/38:21 pmORD - ONT
1 stop12h 42mFrontier
Thu 8/226:37 pmONT - ORD
1 stop13h 30mFrontier
Deal found 7/25$174
This mytrip.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/38:21 pmORD - ONT
1 stop12h 42mFrontier
Tue 8/136:31 pmONT - ORD
1 stop15h 48mFrontier
Deal found 7/25$175
This mytrip.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/38:21 pmORD - ONT
1 stop12h 42mFrontier
Mon 8/196:31 pmONT - ORD
1 stop5h 40mFrontier
Deal found 7/25$180
This mytrip.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/38:21 pmORD - ONT
1 stop12h 42mFrontier
Sat 8/246:00 amONT - ORD
1 stop13h 23mFrontier
Deal found 7/25$181
This mytrip.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/38:21 pmORD - ONT
1 stop12h 42mFrontier
Fri 8/2312:39 amONT - ORD
1 stop20h 49mFrontier
Deal found 7/25$185

One-way flights to Ontario from O'Hare Intl

Search for one-way flight options from O'Hare Intl to Ontario. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 25, 2024.
Some of the best available deals we've found on one-way flights from Chicago to Ontario. Users needing a return flight from Chicago to Ontario should utilize the search form above.
This mytrip.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/265:56 pmORD - ONT
1 stop7h 48mFrontier
Deal found 7/24$68
This mytrip.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/275:24 pmORD - ONT
1 stop8h 35mFrontier
Deal found 7/24$69
This Frontier deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/146:32 pmORD - ONT
1 stop7h 12mFrontier
Deal found 7/24$70
This Frontier deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/286:32 pmORD - ONT
1 stop7h 12mFrontier
Deal found 7/24$71
This mytrip.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/256:32 pmORD - ONT
1 stop6h 57mFrontier
Deal found 7/24$72
This mytrip.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/35:24 pmORD - ONT
1 stop8h 35mFrontier
Deal found 7/25$73
This mytrip.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/104:36 pmORD - ONT
1 stop9h 23mFrontier
Deal found 7/24$74
This mytrip.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/267:42 pmORD - ONT
1 stop13h 35mFrontier
Deal found 7/24$75
This mytrip.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2212:51 pmORD - ONT
1 stop6h 25mFrontier
Deal found 7/24$76

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 2,752,877 searches. Data last updated July 25, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$133 - $299

Route

Depart

Return

Price

Chicago O'Hare IntlOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Wed 9/4

1 stop7h 12m

Ontario

Tue 9/24

1 stop7h 41m

$133

Chicago O'Hare IntlOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Tue 8/27

1 stop8h 35m

Ontario

Thu 9/5

1 stop7h 31m

$134

Chicago O'Hare IntlOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Wed 8/28

1 stop7h 12m

Ontario

Sun 9/8

1 stop6h 26m

$135

Chicago O'Hare IntlOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Wed 8/28

1 stop7h 12m

Ontario

Sat 9/7

1 stop7h 41m

$136

Chicago O'Hare IntlOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Wed 8/28

1 stop7h 12m

Ontario

Sun 9/1

1 stop8h 43m

$137

Chicago O'Hare IntlOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Sat 8/17

1 stop10h 05m

Ontario

Wed 8/28

1 stop9h 20m

$138

Chicago O'Hare IntlOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Thu 12/5

1 stop10h 17m

Ontario

Mon 12/9

1 stop16h 55m

$256

Chicago O'Hare IntlOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Sat 8/24

1 stop6h 44m

Ontario

Sat 8/31

2 stops12h 12m

$261

Chicago O'Hare IntlOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Tue 8/13

1 stop19h 55m

Ontario

Wed 8/14

2 stops16h 55m

$299

Flights are sorted by cheapest first

Deals found on 7/25

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

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to Ontario. Price data was last updated on July 23, 2024.
The price you pay for your flight from Chicago O'Hare Intl Airport to Ontario may vary depending on when you book. For the best chance of a lower fare, look to book 33 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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What is the cheapest day to fly from Chicago O'Hare Intl Airport to Ontario?

Use this chart to determine the cheapest time to fly round-trip from O'Hare Intl to Ontario. Price data was last updated on July 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Ontario flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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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.

Temperature and rainfall in Ontario by month

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

LAX

Temperature

57.2 - 73.4 °F

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

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 July 25, 2024.
Peruse reviews from past customers who have flown with Frontier, Delta and United Airlines from Chicago to Ontario to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.2
Very good
5,641 reviews

Entertainment

7.8

Comfort

8.1

Boarding

8.3

Overall

8.2

Food

7.3

Crew

8.7

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Southwest
8.2
Very good
5,641 reviews
Southwest
8.2
Very good
5,641 reviews

Entertainment

7.8

Comfort

8.1

Boarding

8.3

Overall

8.2

Food

7.3

Crew

8.7

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Alaska Airlines
8.1
Very good
9,365 reviews
Southwest
8.2
Very good
5,641 reviews

Entertainment

7.8

Comfort

8.1

Boarding

8.3

Overall

8.2

Food

7.3

Crew

8.7

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Delta
8.0
Very good
9,630 reviews
Southwest
8.2
Very good
5,641 reviews

Entertainment

7.8

Comfort

8.1

Boarding

8.3

Overall

8.2

Food

7.3

Crew

8.7

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

United Airlines
7.4
Good
10,000 reviews
Southwest
8.2
Very good
5,641 reviews

Entertainment

7.8

Comfort

8.1

Boarding

8.3

Overall

8.2

Food

7.3

Crew

8.7

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

American Airlines
7.3
Good
10,000 reviews
Southwest
8.2
Very good
5,641 reviews

Entertainment

7.8

Comfort

8.1

Boarding

8.3

Overall

8.2

Food

7.3

Crew

8.7

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

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 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 5 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.

  • 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 Frontier for just $133, but on average you can expect to pay $142.

  • 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 $133 on this airline. Frontier is 63% cheaper than the average price of flights available within the next 90 days to this destination.

  • What does ORD to ONT mean?

    Great question - ORD to ONT just means Chicago O'Hare Intl Airport to Ontario Airport. Now you’ll know what these unique codes when you look for flights!

  • Can I find deals for flights from O'Hare Intl to Ontario that include extra baggage allowance?

    The amount of baggage you can bring on your O'Hare Intl to Ontario flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from O'Hare Intl to Ontario with specific airlines?

    Yes, Cheapflights allows you to browse and filter O'Hare Intl to Ontario flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from O'Hare Intl to Ontario that allow pets onboard?

    Many airlines flying from O'Hare Intl to Ontario offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from O'Hare Intl to Ontario?

    Yes, you can often find last-minute deals on O'Hare Intl to Ontario flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Chicago O'Hare Intl Airport to Ontario flight deals updated?

    The Chicago O'Hare Intl Airport to Ontario flight deals you see on this page were last updated on 7/25.

  • 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, Delta or Frontier.

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

    Currently, October is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Ontario (average of $237). Flying from Chicago O'Hare Intl Airport to Ontario in July is currently the most expensive (average of $293). 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.

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Alternative routes for O'Hare Intl to Ontario
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Top 5 airlines flying from O'Hare Intl to Ontario

Discover the top 5 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 2,752,877 searches. Data last updated July 25, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$124Average$232FlexibilityNo cancel feeOn-time65%
FrontierCheapest$146Average$215FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$261Average$378FlexibilityNo cancel feeOn-time71%
DeltaCheapest$288Average$364FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$315Average$504FlexibilityNo cancel feeOn-time69%
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Chicago O'Hare Intl Airport to Coolangatta flights

Search flights from O'Hare Intl to Ontario by cabin class

Find flights from O'Hare Intl to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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