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Cheap flights from Chicago to Ottawa from C$ 202

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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — YOW
5 Mar — 12 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap 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 3 February 2026.

Sun 19/46:31 a.m.
ORD
-
YOW
2 stops31h 33m
Multiple Airlines
Sun 26/44:15 p.m.
YOW
-
ORD
1 stop31h 42m
Multiple Airlines
Deal found 3/2C$ 425
Tue 24/27:00 a.m.
ORD
-
YOW
1 stop9h 25m
Multiple Airlines
Tue 10/34:20 p.m.
YOW
-
ORD
1 stop8h 18m
Multiple Airlines
Deal found 2/2C$ 433
Wed 4/37:00 a.m.
ORD
-
YOW
1 stop9h 25m
Multiple Airlines
Mon 9/34:15 p.m.
YOW
-
ORD
1 stop19h 21m
Multiple Airlines
Deal found 2/2C$ 436
Tue 24/212:44 p.m.
ORD
-
YOW
1 stop10h 14m
Multiple Airlines
Wed 4/37:00 a.m.
YOW
-
ORD
1 stop13h 11m
Multiple Airlines
Deal found 2/2C$ 437
Tue 3/38:16 p.m.
ORD
-
YOW
1 stop20h 09m
Multiple Airlines
Tue 10/39:30 a.m.
YOW
-
ORD
1 stop9h 16m
Multiple Airlines
Deal found 2/2C$ 440
Tue 24/27:00 a.m.
ORD
-
YOW
1 stop9h 25m
Multiple Airlines
Thu 5/37:00 a.m.
YOW
-
ORD
1 stop13h 11m
Multiple Airlines
Deal found 2/2C$ 442
Wed 22/41:27 p.m.
ORD
-
YOW
1 stop26h 58m
Multiple Airlines
Tue 28/411:40 a.m.
YOW
-
ORD
2 stops26h 20m
Multiple Airlines
Deal found 2/2C$ 445
Wed 25/28:30 a.m.
ORD
-
YOW
1 stop14h 28m
Multiple Airlines
Fri 6/34:20 p.m.
YOW
-
ORD
1 stop8h 18m
Multiple Airlines
Deal found 2/2C$ 447
Tue 24/212:44 p.m.
ORD
-
YOW
1 stop10h 14m
Multiple Airlines
Sat 7/33:55 p.m.
YOW
-
ORD
1 stop9h 45m
Multiple Airlines
Deal found 2/2C$ 449
Wed 25/28:30 a.m.
ORD
-
YOW
1 stop14h 28m
Multiple Airlines
Sat 7/33:55 p.m.
YOW
-
ORD
1 stop9h 45m
Multiple Airlines
Deal found 2/2C$ 451
Tue 21/46:31 a.m.
ORD
-
YOW
1 stop9h 54m
Multiple Airlines
Wed 22/47:00 a.m.
YOW
-
ORD
1 stop15h 17m
Multiple Airlines
Deal found 3/2C$ 453
Tue 24/211:05 a.m.
MDW
-
YOW
1 stop6h 04m
Multiple Airlines
Tue 10/39:30 a.m.
YOW
-
MDW
1 stop9h 43m
Multiple Airlines
Deal found 2/2C$ 503

Find 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 3 February 2026.

Round-trip from

C$ 433

One-way from

C$ 202

Popular in

January

Cheapest in

May

Average price

C$ 598
24/2-10/3
  • 24/2-10/3
  • 2 total stops
  • 17h 43m total
  • Chicago to Ottawa
Search Deals
2/3
  • 2/3
  • 1 total stop
  • 20h 09m total
  • Chicago to Ottawa
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 120 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 3 February 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

Tue 24/2

12:44 p.m.-11:58 p.m.

1 stop10h 14m

Ottawa

Tue 3/3

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

1 stop20h 07m

C$ 437

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Tue 3/3

8:16 p.m.-5:25 p.m.

1 stop20h 09m

Ottawa

Tue 10/3

3:35 p.m.-12:40 a.m.

2 stops10h 05m

C$ 447

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Wed 25/2

11:05 a.m.-6:09 p.m.

1 stop6h 04m

Ottawa

Fri 6/3

4:20 p.m.-11:51 p.m.

1 stop8h 31m

C$ 515

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Tue 24/2

11:05 a.m.-6:09 p.m.

1 stop6h 04m

Ottawa

Fri 6/3

4:20 p.m.-11:51 p.m.

1 stop8h 31m

C$ 515

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Sun 19/4

6:31 a.m.-5:25 p.m.

1 stop9h 54m

Ottawa

Mon 27/4

3:35 p.m.-10:43 p.m.

2 stops8h 08m

C$ 522

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Thu 19/3

11:00 a.m.-4:44 p.m.

1 stop4h 44m

Ottawa

Thu 26/3

4:15 p.m.-10:19 p.m.

2 stops31h 04m

C$ 545

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Thu 19/3

11:00 a.m.-6:24 p.m.

1 stop6h 24m

Ottawa

Thu 26/3

6:45 a.m.-10:05 a.m.

1 stop4h 20m

C$ 557

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Tue 17/2

6:00 a.m.-12:25 a.m.

2 stops17h 25m

Ottawa

Tue 24/3

9:30 a.m.-6:13 p.m.

1 stop9h 43m

C$ 565

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Tue 24/2

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

1 stop12h 34m

Ottawa

Tue 10/3

5:40 a.m.-12:29 p.m.

2 stops7h 49m

C$ 568

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Tue 24/2

11:05 a.m.-6:09 p.m.

1 stop6h 04m

Ottawa

Wed 4/3

6:45 a.m.-10:05 a.m.

1 stop4h 20m

C$ 579

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 37 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$ 149). Flying from Chicago to Ottawa in January is currently the most expensive (average of C$ 346). 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 3 February 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 3 February 2026.

The most flights from CHI to YOW are scheduled on a Monday (9 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (5 on average).

How much does it cost to fly round-trip from Chicago to Ottawa?

How often are flights from Chicago to Ottawa delayed?

About 13% of weekly flights between Chicago and Ottawa have experienced delays in the past year, with the average delay time being 138 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 Wednesday 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 13% 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 3 February 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
7.9
Good
412 reviews
Check prices

Food

7.5

Comfort

7.9

Crew

8.6

Boarding

8.2

Overall

7.9

Entertainment

6.9

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
7.9
Good
412 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Food

7.5

Comfort

7.9

Crew

8.6

Boarding

8.2

Overall

7.9

Entertainment

6.9

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
9,236 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Food

7.5

Comfort

7.9

Crew

8.6

Boarding

8.2

Overall

7.9

Entertainment

6.9

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 8 flights from Chicago to Ottawa per day from 0 different airlines.

  • How long is the flight from Chicago to Ottawa?

    Airlines like Porter Airlines, United Airlines, and Delta fly from Chicago to Ottawa in about 6h 24m. The time it takes to get you to your destination can typically vary by up to 10h 05m. Airlines will cover a distance of 1048 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    Consider Air Canada (71%), United Airlines (71%) or Air New Zealand (71%) 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$ 149). Flying from Chicago to Ottawa in January is currently the most expensive (average of C$ 346). 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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