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Cheap flights from Chicago to Ottawa from C$ 198

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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — YOW
19 May — 26 May1
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 19 April 2026.

Thu 28/55:11 p.m.
ORD
-
YOW
1 stop20h 22m
Multiple Airlines
Mon 1/67:00 a.m.
YOW
-
ORD
1 stop30h 37m
Multiple Airlines
Deal found 17/4C$ 457
Thu 14/55:05 a.m.
ORD
-
YOW
2 stops18h 15m
Multiple Airlines
Tue 19/57:00 a.m.
YOW
-
ORD
2 stops16h 14m
Multiple Airlines
Deal found 16/4C$ 500
Thu 28/512:59 p.m.
ORD
-
YOW
1 stop27h 36m
Multiple Airlines
Tue 2/67:00 a.m.
YOW
-
ORD
2 stops30h 37m
Multiple Airlines
Deal found 17/4C$ 505
Thu 11/612:59 p.m.
ORD
-
YOW
1 stop22h 18m
Multiple Airlines
Mon 15/69:05 a.m.
YOW
-
ORD
1 stop12h 06m
Multiple Airlines
Deal found 15/4C$ 513
Wed 29/45:05 a.m.
ORD
-
YOW
1 stop11h 20m
Multiple Airlines
Thu 7/58:00 a.m.
YOW
-
ORD
2 stops11h 38m
Multiple Airlines
Deal found 15/4C$ 515
Wed 13/53:20 p.m.
MDW
-
YOW
1 stop8h 00m
Multiple Airlines
Tue 19/56:55 a.m.
YOW
-
MDW
1 stop8h 40m
Multiple Airlines
Deal found 16/4C$ 515
Thu 11/612:59 p.m.
ORD
-
YOW
1 stop22h 18m
Multiple Airlines
Fri 19/63:30 p.m.
YOW
-
ORD
2 stops25h 41m
Multiple Airlines
Deal found 15/4C$ 520
Mon 1/65:05 a.m.
ORD
-
YOW
1 stop9h 10m
Multiple Airlines
Tue 2/67:00 a.m.
YOW
-
ORD
2 stops16h 14m
Multiple Airlines
Deal found 14/4C$ 526
Sat 13/67:52 a.m.
ORD
-
YOW
2 stops15h 28m
Multiple Airlines
Mon 15/69:05 a.m.
YOW
-
ORD
1 stop12h 06m
Multiple Airlines
Deal found 15/4C$ 528
Wed 13/51:49 p.m.
ORD
-
YOW
2 stops9h 36m
Multiple Airlines
Tue 19/57:00 a.m.
YOW
-
ORD
2 stops16h 14m
Multiple Airlines
Deal found 16/4C$ 532
Fri 5/63:20 p.m.
MDW
-
YOW
1 stop8h 00m
Multiple Airlines
Mon 8/66:55 a.m.
YOW
-
MDW
1 stop8h 40m
Multiple Airlines
Deal found 14/4C$ 537
Sun 17/510:30 a.m.
MDW
-
YOW
1 stop12h 50m
Multiple Airlines
Sun 24/56:55 a.m.
YOW
-
MDW
1 stop8h 40m
Multiple Airlines
Deal found 17/4C$ 543

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 19 April 2026.

Round-trip from

C$ 457

One-way from

C$ 198

Popular in

February

Cheapest in

April

Average price

C$ 543

Good one-way deal

C$ 461 or less
28/5-1/6
  • 28/5-1/6
  • 2 total stops
  • 50h 59m total
  • Chicago to Ottawa
Search Deals
2/5
  • 2/5
  • 1 total stop
  • 27h 45m total
  • Chicago to Ottawa
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (C$ 273 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 57 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a one-way flight from Chicago (CHI) to Ottawa.
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 19 April 2026.
Use the filters below to find and compare flights from Chicago to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Sat 13/6

11:59 a.m.-12:17 p.m.

2 stops23h 18m

Ottawa

Mon 15/6

11:00 a.m.-2:35 p.m.

1 stop4h 35m

C$ 742

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Fri 1/5

3:20 p.m.-12:20 a.m.

1 stop8h 00m

Ottawa

Sun 3/5

2:20 p.m.-1:00 p.m.

1 stop23h 40m

C$ 756

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Sun 19/7

3:20 p.m.-8:04 p.m.

1 stop3h 44m

Ottawa

Sat 25/7

7:00 a.m.-10:11 p.m.

2 stops16h 11m

C$ 764

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Sat 2/5

7:30 a.m.-5:35 p.m.

1 stop9h 05m

Ottawa

Mon 4/5

11:00 a.m.-2:35 p.m.

1 stop4h 35m

C$ 767

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Sat 13/6

10:25 a.m.-6:54 p.m.

1 stop7h 29m

Ottawa

Sun 14/6

11:00 a.m.-2:35 p.m.

1 stop4h 35m

C$ 814

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Fri 12/6

3:20 p.m.-9:44 p.m.

1 stop5h 24m

Ottawa

Mon 15/6

11:00 a.m.-2:35 p.m.

1 stop4h 35m

C$ 824

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Thu 14/5

3:20 p.m.-9:44 p.m.

1 stop5h 24m

Ottawa

Sat 16/5

11:00 a.m.-9:45 a.m.

1 stop23h 45m

C$ 851

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Tue 2/6

9:22 a.m.-12:20 a.m.

2 stops13h 58m

Ottawa

Tue 9/6

6:55 a.m.-12:36 p.m.

2 stops6h 41m

C$ 880

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Sun 3/5

7:30 a.m.-5:35 p.m.

1 stop9h 05m

Ottawa

Wed 6/5

6:25 p.m.-8:43 a.m.

2 stops15h 18m

C$ 883

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Mon 15/6

3:20 p.m.-8:04 p.m.

1 stop3h 44m

Ottawa

Fri 19/6

11:00 a.m.-2:35 p.m.

1 stop4h 35m

C$ 912

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/4

Showing 1-10 of 41 resultsSorted by cheapest first
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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, June is the cheapest month in which you can book a flight from Chicago to Ottawa (average of C$ 174). Flying from Chicago to Ottawa in February is currently the most expensive (average of C$ 949). 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 19 April 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 19 April 2026.

The most flights from CHI to YOW are scheduled on a Monday (12 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (12 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 15% of weekly flights between Chicago and Ottawa have experienced delays in the past year, with the average delay time being 136 minutes.

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

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the morning 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 15% 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 19 April 2026.
Get a feel of what it's like to fly with Porter 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
435 reviews
Check prices

Entertainment

7.0

Crew

8.6

Food

7.6

Boarding

8.2

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Porter Airlines
8.0
Very good
435 reviews
Porter Airlines
8.0
Very good
435 reviews
Check prices

Entertainment

7.0

Crew

8.6

Food

7.6

Boarding

8.2

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.

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

  • How long is the flight from Chicago to Ottawa?

    Airlines like Porter Airlines and United Airlines fly from Chicago to Ottawa in about 2h 13m. The time it takes to get you to your destination can typically vary by up to 5h 16m. Airlines will cover a distance of 1051 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 Republic Airways (75%), ANA (72%) or Emirates (72%) when booking your flight. These represent the most reliable airlines when flying from Chicago to Ottawa.

  • What are the cheapest flights from Chicago to Ottawa?

    On average you can expect to pay C$ 461 for a flight from Chicago to Ottawa. The cheapest flight overall is C$ 461 while the most popular route, (Chicago O'Hare Intl - Ottawa) is currently priced at C$ 457.

  • 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, June is the cheapest month in which you can book a flight from Chicago to Ottawa (average of C$ 174). Flying from Chicago to Ottawa in February is currently the most expensive (average of C$ 949). 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
Perth
Wakefield
Pembroke
Smiths Falls

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