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Cheap flights from Chicago to Ottawa from C$ 151

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 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — YOW
5 Feb — 12 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Chicago to Ottawa

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Ottawa (YOW). 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 6 January 2026.

Round-trip from

C$ 361

One-way from

C$ 151

Popular in

January

Cheapest in

May

Average price

C$ 881
26/1-30/1
  • 26/1-30/1
  • 2 total stops
  • 48h 27m total
  • Chicago to Ottawa
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8/2
  • 8/2
  • 1 total stop
  • 25h 25m total
  • Chicago to Ottawa
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 121 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 26 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Chicago to Ottawa

Enter your travel dates to find the best prices.

Cheapest flights from Chicago to Ottawa
Explore the most affordable flight options available from Chicago to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 January 2026.

Mon 26/112:05 p.m.ORD - YOW
1 stop28h 20mMultiple Airlines
Fri 30/14:15 p.m.YOW - ORD
1 stop20h 07mMultiple Airlines
Deal found 5/1C$ 361
Wed 28/17:20 a.m.ORD - YOW
1 stop16h 05mMultiple Airlines
Fri 30/14:15 p.m.YOW - ORD
1 stop20h 07mMultiple Airlines
Deal found 5/1C$ 365
Wed 28/17:21 p.m.ORD - YOW
1 stop18h 37mMultiple Airlines
Sat 31/19:40 a.m.YOW - ORD
1 stop8h 18mMultiple Airlines
Deal found 6/1C$ 366
Sun 25/15:15 a.m.ORD - YOW
2 stops18h 27mMultiple Airlines
Wed 28/19:30 a.m.YOW - ORD
1 stop26h 11mMultiple Airlines
Deal found 5/1C$ 383
Wed 18/27:00 a.m.ORD - YOW
1 stop16h 25mMultiple Airlines
Sun 22/23:05 p.m.YOW - ORD
2 stops33h 10mMultiple Airlines
Deal found 5/1C$ 390
Sat 7/24:38 p.m.ORD - YOW
2 stops21h 26mMultiple Airlines
Wed 11/27:00 a.m.YOW - ORD
1 stop15h 03mMultiple Airlines
Deal found 5/1C$ 398
Mon 2/28:43 p.m.ORD - YOW
1 stop19h 42mMultiple Airlines
Mon 9/24:15 p.m.YOW - ORD
1 stop20h 07mMultiple Airlines
Deal found 4/1C$ 405
Mon 26/11:00 p.m.MDW - YOW
1 stop27h 13mMultiple Airlines
Fri 30/17:00 a.m.YOW - MDW
2 stops16h 19mMultiple Airlines
Deal found 5/1C$ 416
Thu 5/211:05 a.m.MDW - YOW
1 stop12h 34mMultiple Airlines
Sun 8/28:40 a.m.YOW - MDW
1 stop7h 40mMultiple Airlines
Deal found 5/1C$ 424
Sun 8/21:00 p.m.MDW - YOW
1 stop27h 13mMultiple Airlines
Thu 19/26:50 a.m.YOW - MDW
1 stop4h 20mMultiple Airlines
Deal found 6/1C$ 447
Mon 2/211:05 a.m.MDW - YOW
1 stop12h 34mMultiple Airlines
Mon 9/25:40 a.m.YOW - MDW
2 stops8h 06mMultiple Airlines
Deal found 4/1C$ 489
Wed 18/211:05 a.m.MDW - YOW
1 stop6h 04mPorter Airlines
Sun 22/28:40 a.m.YOW - MDW
1 stop7h 40mPorter Airlines
Deal found 5/1C$ 491

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago to Ottawa 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 629,999 searches. Data last updated 6 January 2026.
Use the filters below to find and compare flights from Chicago to Ottawa that are best for you.

Fly from

Chicago

Fly to

Ottawa

Route

Depart

Return

Price

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Wed 28/1

7:21 p.m.-2:58 p.m.

1 stop18h 37m

Ottawa

Sat 31/1

9:40 a.m.-4:58 p.m.

1 stop8h 18m

C$ 366

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Sun 25/1

5:15 a.m.-12:42 a.m.

2 stops18h 27m

Ottawa

Wed 28/1

9:30 a.m.-10:41 a.m.

1 stop26h 11m

C$ 383

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Mon 2/2

8:43 p.m.-5:25 p.m.

1 stop19h 42m

Ottawa

Mon 9/2

4:15 p.m.-11:22 a.m.

1 stop20h 07m

C$ 405

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Sun 8/2

3:00 p.m.-5:25 p.m.

1 stop25h 25m

Ottawa

Thu 19/2

3:55 p.m.-12:40 a.m.

1 stop9h 45m

C$ 407

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Thu 5/2

11:05 a.m.-12:39 a.m.

1 stop12h 34m

Ottawa

Sun 8/2

8:40 a.m.-3:20 p.m.

1 stop7h 40m

C$ 424

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Wed 28/1

5:15 a.m.-12:42 a.m.

2 stops18h 27m

Ottawa

Fri 30/1

3:05 p.m.-9:12 a.m.

2 stops19h 07m

C$ 439

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Fri 20/2

6:51 p.m.-5:25 p.m.

1 stop21h 34m

Ottawa

Fri 27/2

3:55 p.m.-12:40 a.m.

1 stop9h 45m

C$ 442

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Thu 5/2

8:43 p.m.-6:28 p.m.

2 stops20h 45m

Ottawa

Sun 8/2

12:10 p.m.-10:42 p.m.

2 stops11h 32m

C$ 475

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Mon 2/2

11:05 a.m.-12:39 a.m.

1 stop12h 34m

Ottawa

Mon 9/2

5:40 a.m.-12:46 p.m.

2 stops8h 06m

C$ 489

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Fri 20/2

11:05 a.m.-8:54 p.m.

1 stop8h 49m

Ottawa

Fri 27/2

9:25 a.m.-3:19 p.m.

2 stops30h 54m

C$ 489

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/1

Showing 1-10 of 35 results
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Best time to book a flight from Chicago to Ottawa

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

Cheapflights Insights

Everything you need to know about your flight from Chicago to Ottawa

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

Currently, April is the cheapest month in which you can book a flight from Chicago to Ottawa (average of C$ 143). Flying from Chicago to Ottawa in January is currently the most expensive (average of C$ 362). 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 CHI to YOW?

Find hourly flight availability from Chicago to Ottawa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 6 January 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Chicago to Ottawa as you normally would.

Weekly flight availability from Chicago to Ottawa

Explore weekly flight availability from Chicago to Ottawa. 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 6 January 2026.

The most flights from CHI to YOW are scheduled on a Tuesday (10 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (9 on average).

How often are flights from Chicago to Ottawa delayed?

About 11% of weekly flights between Chicago and Ottawa have experienced delays in the past year, with the average delay time being 135 minutes.

What is the most punctual flight time for Chicago to Ottawa flights?

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Friday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Chicago to Ottawa flights?

Over the past year, United Airlines has had the lowest number of delays on this route, with just 11% of flights being delayed.

Reviews of airlines servicing Ottawa

Get insights into the airlines that provide service to Ottawa. 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 Ottawa. Reviews last updated 6 January 2026.
Get a feel of what it's like to fly with Porter Airlines and United Airlines from Chicago to Ottawa by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
406 reviews
Check prices

Entertainment

7.0

Overall

8.0

Food

7.6

Crew

8.6

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Porter Airlines
8.0
Very good
406 reviews
Porter Airlines
8.0
Very good
406 reviews
Check prices

Entertainment

7.0

Overall

8.0

Food

7.6

Crew

8.6

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
United Airlines
7.4
Good
9,138 reviews
Porter Airlines
8.0
Very good
406 reviews
Check prices

Entertainment

7.0

Overall

8.0

Food

7.6

Crew

8.6

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Related info for your journey

Find useful and relevant information for your journey from Chicago to Ottawa. 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 Ottawa from Chicago?

    If you book a flight to Ottawa from Chicago, you will be flying to Ottawa, which is the city’s only airport. Ottawa (YOW) is located 10.6 km from the centre of Ottawa. There are 9 flights from Chicago to Ottawa per day from 0 different airlines.

  • How long is the flight from Chicago to Ottawa?

    Airlines like Porter Airlines fly from Chicago to Ottawa in about 6h 04m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 1048 km.

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

    Consider SkyWest Airlines (100%), United Airlines (76%) or Air Canada (68%) when booking your flight. These represent the most reliable airlines when flying from Chicago to Ottawa.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Chicago to Ottawa 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 to Ottawa?

    Currently, April is the cheapest month in which you can book a flight from Chicago to Ottawa (average of C$ 143). Flying from Chicago to Ottawa in January is currently the most expensive (average of C$ 362). 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

Travelling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Brockville
Smiths Falls
Perth
Pembroke
Wakefield

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