Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Ottawa to Chicago O'Hare Intl Airport from C$ 260

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 23/1. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — ORD
25 Nov — 2 Dec1
1 adult

The best prices from Ottawa to Chicago O'Hare Intl are usually found in January or December, booked 52 days in advance, depart on a Friday or Sunday and return on a Monday

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

Customize your flight search to find flights from Ottawa to O'Hare Intl 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 645,034 searches. Data last updated 20 November 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OttawaChicago

YOW - ORD

YOWORD

Ottawa

Mon 13/1

2:50 p.m.-12:39 p.m.

2 stops22h 49m

Chicago O'Hare Intl

Thu 16/1

5:35 a.m.-2:57 p.m.

1 stop8h 22m

C$ 505

OttawaChicago

YOW - ORD

YOWORD

Ottawa

Sat 1/2

2:45 p.m.-6:50 p.m.

1 stop5h 05m

Chicago O'Hare Intl

Wed 5/2

11:35 a.m.-6:58 p.m.

1 stop6h 23m

C$ 550

OttawaChicago

YOW - ORD

YOWORD

Ottawa

Wed 15/1

6:20 a.m.-8:00 a.m.

Nonstop2h 40m

Chicago O'Hare Intl

Sat 18/1

1:55 p.m.-5:06 p.m.

Nonstop2h 11m

C$ 577

OttawaChicago

YOW - ORD

YOWORD

Ottawa

Wed 29/1

5:55 a.m.-4:13 p.m.

2 stops11h 18m

Chicago O'Hare Intl

Fri 31/1

1:40 p.m.-12:10 a.m.

2 stops9h 30m

C$ 732

OttawaChicago

YOW - ORD

YOWORD

Ottawa

Thu 12/12

5:55 a.m.-4:30 p.m.

2 stops11h 35m

Chicago O'Hare Intl

Mon 16/12

11:59 a.m.-12:10 a.m.

2 stops11h 11m

C$ 1,141

OttawaChicago

YOW - ORD

YOWORD

Ottawa

Thu 23/1

4:20 p.m.-9:39 a.m.

1 stop18h 19m

C$ 260

OttawaChicago

YOW - ORD

YOWORD

Ottawa

Fri 14/2

5:00 p.m.-6:34 p.m.

Nonstop2h 34m

C$ 322

OttawaChicago

YOW - ORD

YOWORD

Ottawa

Wed 4/12

5:00 p.m.-6:36 p.m.

Nonstop2h 36m

C$ 435

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/11

Cheap flight deals from Ottawa to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to O'Hare Intl (ORD). 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 20 November 2024.

Round-trip from

C$ 505

One-way from

C$ 260

Popular in

May

Cheapest in

January
13/1-16/1
  • 13/1-16/1
  • 3 total stops
  • 28h 51m total
  • Ottawa to Chicago
Search Deals
23/1
  • 23/1
  • 1 total stop
  • 18h 19m total
  • Ottawa to Chicago
Search Deals
High demand for flights, 17% potential price rise
Search Deals
Best time to find cheap flights, 16% potential price drop
Search Deals

Find flight deals from Ottawa to O'Hare Intl

Cheapest flights from Ottawa to O'Hare Intl
Explore the most affordable flight options available from Ottawa to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 November 2024.

Thu 12/1211:50 a.m.YOW - ORD
3 stops18h 40mMultiple Airlines
Sun 15/129:53 p.m.ORD - YOW
1 stop18h 07mMultiple Airlines
Deal found 19/11C$ 540
Thu 26/125:30 a.m.YOW - ORD
1 stop4h 27mAir Canada
Mon 6/18:30 p.m.ORD - YOW
1 stop4h 07mAir Canada
Deal found 20/11C$ 595
Sun 15/125:00 p.m.YOW - ORD
Nonstop2h 36mUnited Airlines
Mon 16/127:28 a.m.ORD - YOW
Nonstop2h 03mUnited Airlines
Deal found 19/11C$ 661
Sat 28/125:55 a.m.YOW - ORD
2 stops16h 22mWestJet
Mon 6/110:30 a.m.ORD - YOW
2 stops12h 40mWestJet
Deal found 19/11C$ 1,072
Thu 12/125:55 a.m.YOW - ORD
2 stops11h 35mDelta
Mon 16/1211:59 a.m.ORD - YOW
2 stops11h 11mDelta
Deal found 19/11C$ 1,141

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

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Ottawa 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 Ottawa to O'Hare Intl

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

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

Use this chart to determine the optimal time to book a round-trip flight from Ottawa to O'Hare Intl. Price data was last updated on 15 November 2024.

The best time to book flights from Ottawa to Chicago O'Hare Intl Airport is 52 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from Ottawa to Chicago O'Hare Intl Airport (average of C$ 261). Flying from Ottawa to Chicago O'Hare Intl Airport in May is currently the most expensive (average of C$ 342). 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 YOW to ORD?

Find hourly flight availability from Ottawa to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 20 November 2024.

One of the essential ways to save on airfare from Ottawa to Chicago O'Hare Intl Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 1% on airfare.

Weekly flight availability from Ottawa to Chicago O'Hare Intl Airport

Explore weekly flight availability from Ottawa to O'Hare Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 20 November 2024.

The most flights from YOW to ORD are scheduled on a Monday (12 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (7 on average).

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 43.0 - 125.0 mm per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 43.0 mm.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, 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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated 20 November 2024.
Peruse reviews from past customers who have flown with Air Canada, United Airlines and WestJet from Ottawa to Chicago 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.
Delta
8.0
Very good
8,756 reviews
Check prices

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,756 reviews
Delta
8.0
Very good
8,756 reviews
Check prices

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
9,171 reviews
Delta
8.0
Very good
8,756 reviews
Check prices

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

WestJet
7.3
Good
2,811 reviews
Delta
8.0
Very good
8,756 reviews
Check prices

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air Canada
7.0
Good
8,237 reviews
Delta
8.0
Very good
8,756 reviews
Check prices

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Ottawa to O'Hare Intl. 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 from for flights from Ottawa to Chicago O'Hare Intl?

    Ottawa (YOW), located 10.6 km from the city centre, is the airport you fly out of when you book flights from Ottawa to Chicago O'Hare Intl. 2 airlines have flights from Ottawa to Chicago O'Hare Intl on a regular basis. Booking flights from Ottawa to Chicago O'Hare Intl should not be difficult; the airport handles an average of 11 outbound flights to Chicago O'Hare Intl per day.

  • What are the cheapest airlines flying from Ottawa to Chicago O'Hare Intl Airport round-trip?

    Our cheapest airline available from Ottawa to Chicago O'Hare Intl Airport is Air Canada. Our recent data shows that you can find tickets from as low as C$ 550 on this airline. Additional options worth looking into are United Airlines and WestJet, starting at C$ 577 and C$ 732 round-trip. Air Canada is 26% cheaper than the average price of flights available within the next 90 days to this destination.

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

    Before booking your flight to Chicago O'Hare Intl Airport from Ottawa, check out the most reliable airlines to get you to your destination on time: GoJet (100%), Avianca (100%), ANA( 94%).

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

    Looking for the cheapest flight from Ottawa to Chicago O'Hare Intl Airport? While on average our users pay C$ 1,597, our data indicates the cheapest price to be C$ 297. The most popular route (Ottawa - Chicago O'Hare Intl), is priced around C$ 505.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ottawa to O'Hare Intl 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 Ottawa to Chicago O'Hare Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Ottawa to Chicago O'Hare Intl Airport (average of C$ 261). Flying from Ottawa to Chicago O'Hare Intl Airport in May is currently the most expensive (average of C$ 342). 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.

Top 2 airlines flying from Ottawa to O'Hare Intl

Discover the top 2 airlines that operate flights from Ottawa to O'Hare Intl. 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 645,034 searches. Data last updated 20 November 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 571AverageC$ 740FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 617AverageC$ 843FlexibilityNo cancel feeOn-time69%
Search United Airlines 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 Ottawa to O'Hare Intl?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ottawa to O'Hare Intl. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Ottawa to O'Hare Intl 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 Ottawa to O'Hare Intl with no change fees?

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

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

Not ready to book yet? You can track prices for flights from Ottawa to O'Hare Intl on Cheapflights with our Price Alert feature and get notified when better prices are available.

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