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Cheap flights from Ottawa to Chicago from C$ 237

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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — CHI
19 Nov — 26 Nov1
1 adult

The best prices from Ottawa to Chicago are usually found in April or December, booked 84 days in advance, depart on a Monday or Thursday and return on a Wednesday

Find flights from Ottawa to Chicago within your budget

Customize your flight search to find flights from Ottawa to Chicago 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 625,151 searches. Data last updated 14 November 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OttawaChicago

YOW - MDW

YOWMDW

Ottawa

Thu 12/12

11:50 a.m.-4:40 p.m.

1 stop5h 50m

Chicago Midway

Sun 15/12

5:35 p.m.-10:11 p.m.

1 stop3h 36m

C$ 428

OttawaChicago

YOW - ORD

YOWORD

Ottawa

Fri 7/2

5:10 p.m.-12:39 p.m.

2 stops20h 29m

Chicago O'Hare Intl

Mon 10/2

6:15 p.m.-3:10 p.m.

2 stops19h 55m

C$ 498

OttawaChicago

YOW - MDW

YOWMDW

Ottawa

Sat 7/12

9:20 a.m.-12:00 p.m.

1 stop3h 40m

Chicago Midway

Tue 10/12

12:44 p.m.-12:10 a.m.

2 stops10h 26m

C$ 565

OttawaChicago

YOW - ORD

YOWORD

Ottawa

Sat 1/2

5:00 p.m.-6:38 p.m.

Nonstop2h 38m

Chicago O'Hare Intl

Wed 5/2

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

Nonstop2h 11m

C$ 579

OttawaChicago

YOW - ORD

YOWORD

Ottawa

Fri 7/2

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

Nonstop2h 40m

Chicago O'Hare Intl

Tue 11/2

8:50 a.m.-2:29 p.m.

1 stop4h 39m

C$ 655

OttawaChicago

YOW - ORD

YOWORD

Ottawa

Thu 6/2

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

2 stops11h 18m

Chicago O'Hare Intl

Tue 11/2

1:40 p.m.-12:09 a.m.

2 stops9h 29m

C$ 704

OttawaChicago

YOW - MDW

YOWMDW

Ottawa

Sun 8/12

5:55 a.m.-5:01 p.m.

2 stops12h 06m

Chicago Midway

Wed 11/12

10:38 a.m.-3:16 p.m.

2 stops27h 38m

C$ 1,037

OttawaChicago

YOW - ORD

YOWORD

Ottawa

Fri 6/12

6:15 a.m.-1:15 p.m.

2 stops32h 00m

Chicago O'Hare Intl

Mon 9/12

7:35 p.m.-12:10 a.m.

2 stops27h 35m

C$ 1,123

OttawaChicago

YOW - MDW

YOWMDW

Ottawa

Mon 2/12

8:10 p.m.-9:46 p.m.

2 stops26h 36m

Chicago Midway

Thu 5/12

12:43 p.m.-8:50 p.m.

2 stops31h 07m

C$ 1,134

OttawaChicago

YOW - MDW

YOWMDW

Ottawa

Thu 5/12

7:00 a.m.-10:30 a.m.

1 stop4h 30m

C$ 237

Flights are sorted by cheapest first

Deals found on 13/11

Showing 1-10 of 16 results
1
2

Cheap flight deals from Ottawa to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to Chicago (CHI). 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 14 November 2024.

Round-trip from

C$ 398

One-way from

C$ 237

Popular in

November

Cheapest in

April
Porter Airlines
  • Porter Airlines
  • 6/2-12/2
  • 2 total stops
  • 12h 34m total
  • Ottawa to Chicago
Search Deals
Porter Airlines
  • Porter Airlines
  • 5/12
  • 1 total stop
  • 4h 30m total
  • Ottawa to Chicago
Search Deals
High demand for flights, 17% potential price rise
Search Deals
Best time to find cheap flights, 25% potential price drop
Search Deals

Find flight deals from Ottawa to Chicago

Cheapest flights from Ottawa to Chicago
Explore the most affordable flight options available from Ottawa to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 November 2024.

Thu 12/1211:50 a.m.YOW - MDW
1 stop5h 50mPorter Airlines
Sun 15/125:35 p.m.MDW - YOW
1 stop3h 36mPorter Airlines
Deal found 13/11C$ 428
Sun 29/124:20 p.m.YOW - ORD
1 stop16h 27mMultiple Airlines
Sun 5/17:53 p.m.ORD - YOW
1 stop17h 27mMultiple Airlines
Deal found 14/11C$ 516
Sat 7/129:20 a.m.YOW - MDW
1 stop3h 40mMultiple Airlines
Tue 10/1212:44 p.m.MDW - YOW
2 stops10h 26mMultiple Airlines
Deal found 14/11C$ 565
Wed 25/1211:00 a.m.YOW - ORD
1 stop4h 45mAir Canada
Thu 9/111:35 a.m.ORD - YOW
1 stop6h 23mAir Canada
Deal found 13/11C$ 579
Thu 26/125:30 a.m.YOW - ORD
1 stop4h 27mUnited Airlines
Mon 30/122:05 p.m.ORD - YOW
1 stop6h 32mUnited Airlines
Deal found 14/11C$ 672
Sat 7/125:55 a.m.YOW - ORD
2 stops15h 11mWestJet
Tue 10/1211:55 a.m.ORD - YOW
2 stops11h 15mWestJet
Deal found 14/11C$ 715
Sun 8/125:55 a.m.YOW - MDW
2 stops12h 06mDelta
Wed 11/1210:38 a.m.MDW - YOW
2 stops27h 38mDelta
Deal found 14/11C$ 1,037
Fri 6/126:15 a.m.YOW - ORD
2 stops32h 00mDelta
Mon 9/127:35 p.m.ORD - YOW
2 stops27h 35mDelta
Deal found 14/11C$ 1,123
Mon 2/128:10 p.m.YOW - MDW
2 stops26h 36mWestJet
Thu 5/1212:43 p.m.MDW - YOW
2 stops31h 07mWestJet
Deal found 14/11C$ 1,134

Best time to book a flight from Ottawa to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago 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 Chicago

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

How far ahead should I book a flight from Ottawa to Chicago?

Use this chart to determine the optimal time to book a round-trip flight from Ottawa to Chicago. Price data was last updated on 8 November 2024.

Booking 84 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ottawa to Chicago. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Ottawa to Chicago?

Currently, January is the cheapest month in which you can book a flight from Ottawa to Chicago (average of C$ 261). Flying from Ottawa to Chicago 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 CHI?

Find hourly flight availability from Ottawa to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 November 2024.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 26% on flights from Ottawa to Chicago by exploring options for tickets in the evening.

Weekly flight availability from Ottawa to Chicago

Explore weekly flight availability from Ottawa to Chicago. 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 14 November 2024.

The most flights from YOW to CHI are scheduled on a Monday (12 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (9 on average).

Rainfall in Chicago by month

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

In terms of precipitation, rainfall in Chicago 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 when rainfall is around 43.0 mm.

Temperature in Chicago by month

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

If weather is an important factor for your trip to Chicago, 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 Chicago

Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated 14 November 2024.
Read reviews from past customers who have flown United Airlines, Air Canada and WestJet from Ottawa to Chicago. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,788 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

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
8,788 reviews
Delta
8.0
Very good
8,788 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 10

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

Porter Airlines
7.7
Good
288 reviews
Delta
8.0
Very good
8,788 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

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
9,194 reviews
Delta
8.0
Very good
8,788 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

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
2,804 reviews
Delta
8.0
Very good
8,788 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

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
8,198 reviews
Delta
8.0
Very good
8,788 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

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 Chicago. 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?

    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. 3 airlines have flights from Ottawa to Chicago on a regular basis. Booking flights from Ottawa to Chicago should not be difficult; the airport handles an average of 11 outbound flights to Chicago per day.

  • What are the cheapest airlines flying from Ottawa to Chicago round-trip?

    Currently priced at C$ 398, Porter Airlines will fly you from Ottawa to Chicago and back. In addition to Porter Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and United Airlines - these airlines can fly you to your destination from C$ 579 and C$ 655, respectively. You may be able to fly from Ottawa to Chicago for 29% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Ottawa to Chicago one-way?

    The cheapest airlines for a one-way flight from Ottawa to Chicago are Porter Airlines (C$ 237), Air Canada (C$ 356), and United Airlines (C$ 369).

  • What are the most reliable airlines from Ottawa to Chicago?

    The top 3 most reliable airlines when flying from Ottawa to Chicago are GoJet (100%), Avianca (100%) and United Airlines (94%).

  • What are the cheapest flights from Ottawa to Chicago?

    Looking at all options, your cheapest flight can be booked for C$ 230. While the most popular route (Ottawa - Chicago O'Hare Intl) can be booked for C$ 498 on average our data indicates C$ 1,685 when flying from Ottawa to Chicago.

  • Can I find deals for flights from Ottawa to Chicago that include hotel bookings?

    Yes. In addition to deals on Ottawa to Chicago flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ottawa to Chicago?

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

  • Can I find deals for business class flights from Ottawa to Chicago?

    Yes. Cheapflights offers flight deals from Ottawa to Chicago 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?

    Currently, January is the cheapest month in which you can book a flight from Ottawa to Chicago (average of C$ 261). Flying from Ottawa to Chicago 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

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Alternative routes for Ottawa to Chicago

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Ottawa to Chicago

Discover the top 3 airlines that operate flights from Ottawa to Chicago. 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 625,151 searches. Data last updated 14 November 2024.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 396AverageC$ 557FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 540AverageC$ 741FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 618AverageC$ 844FlexibilityNo 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 Chicago?

When you search for this flight from Ottawa to Chicago, 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 flight for you.

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

Cheapflights helps you find that perfect flight to Chicago from Ottawa by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Ottawa to Chicago with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ottawa to Chicago flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Ottawa to Chicago become cheaper?

Yes, Cheapflights offers price alerts on Ottawa to Chicago flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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