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Cheap flights from Chicago to Ottawa from C$ 240

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 23/6. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — YOW
26 Jun — 3 Jul1
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 27 May 2026.

Tue 23/610:25 a.m.
MDW
-
YOW
1 stop25h 29m
Porter Airlines
Tue 30/68:50 p.m.
YOW
-
MDW
1 stop13h 50m
Porter Airlines
Deal found 24/5C$ 641
Fri 19/63:20 p.m.
MDW
-
YOW
1 stop8h 00m
Multiple Airlines
Fri 26/611:00 a.m.
YOW
-
MDW
1 stop4h 35m
Multiple Airlines
Deal found 22/5C$ 660
Thu 1/104:49 p.m.
ORD
-
YOW
1 stop20h 44m
Multiple Airlines
Mon 5/107:00 a.m.
YOW
-
ORD
1 stop9h 26m
Multiple Airlines
Deal found 26/5C$ 700
Sat 19/97:00 a.m.
ORD
-
YOW
1 stop11h 09m
Porter Airlines
Sat 26/910:40 a.m.
YOW
-
ORD
1 stop4h 55m
Porter Airlines
Deal found 23/5C$ 701
Tue 7/73:20 p.m.
MDW
-
YOW
1 stop3h 44m
Porter Airlines
Wed 15/710:40 a.m.
YOW
-
MDW
1 stop4h 55m
Porter Airlines
Deal found 27/5C$ 703
Thu 3/93:20 p.m.
ORD
-
YOW
1 stop3h 44m
Porter Airlines
Sun 6/95:55 p.m.
YOW
-
ORD
1 stop4h 40m
Porter Airlines
Deal found 24/5C$ 704
Thu 25/610:25 a.m.
MDW
-
YOW
1 stop8h 24m
Porter Airlines
Sun 28/68:50 p.m.
YOW
-
MDW
1 stop13h 50m
Porter Airlines
Deal found 26/5C$ 711
Sat 19/97:00 a.m.
ORD
-
YOW
1 stop4h 54m
Multiple Airlines
Sat 26/91:20 p.m.
YOW
-
ORD
2 stops17h 22m
Multiple Airlines
Deal found 23/5C$ 724
Thu 30/73:20 p.m.
MDW
-
YOW
1 stop3h 44m
Porter Airlines
Mon 31/810:40 a.m.
YOW
-
MDW
1 stop4h 55m
Porter Airlines
Deal found 25/5C$ 729
Thu 25/63:20 p.m.
MDW
-
YOW
1 stop17h 04m
Porter Airlines
Thu 2/78:50 p.m.
YOW
-
MDW
1 stop13h 50m
Porter Airlines
Deal found 25/5C$ 730
Fri 28/83:15 p.m.
MDW
-
YOW
1 stop3h 49m
Porter Airlines
Sun 30/810:40 a.m.
YOW
-
MDW
1 stop4h 55m
Porter Airlines
Deal found 25/5C$ 737
Fri 19/63:20 p.m.
MDW
-
YOW
1 stop5h 24m
Porter Airlines
Fri 26/611:00 a.m.
YOW
-
MDW
1 stop4h 35m
Porter Airlines
Deal found 25/5C$ 740

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 27 May 2026.

Round-trip from

C$ 641

One-way from

C$ 240

Popular in

February

Cheapest in

April

Average price

C$ 764

Good one-way deal

C$ 465 or less
Porter Airlines
  • Porter Airlines
  • 23/6-30/6
  • 2 total stops
  • 39h 19m total
  • Chicago to Ottawa
Search Deals
Porter Airlines
  • Porter Airlines
  • 23/6
  • 1 total stop
  • 25h 29m total
  • Chicago to Ottawa
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (C$ 260 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 56 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 27 May 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 27/6

10:25 a.m.-7:09 p.m.

1 stop7h 44m

Ottawa

Sat 4/7

6:25 p.m.-9:40 a.m.

1 stop16h 15m

C$ 759

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Fri 31/7

12:11 p.m.-4:20 p.m.

2 stops27h 09m

Ottawa

Mon 31/8

10:40 a.m.-2:35 p.m.

1 stop4h 55m

C$ 819

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Fri 19/6

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

1 stop8h 00m

Ottawa

Fri 26/6

8:50 p.m.-9:14 a.m.

2 stops13h 24m

C$ 849

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Wed 22/7

3:15 p.m.-9:44 p.m.

1 stop5h 29m

Ottawa

Sun 26/7

10:40 a.m.-2:35 p.m.

1 stop4h 55m

C$ 852

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Sat 20/6

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

2 stops23h 18m

Ottawa

Sat 27/6

3:30 p.m.-2:35 p.m.

1 stop24h 05m

C$ 852

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Wed 29/7

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

1 stop3h 44m

Ottawa

Sun 2/8

10:40 a.m.-2:35 p.m.

1 stop4h 55m

C$ 867

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Thu 25/6

10:25 a.m.-5:54 p.m.

1 stop6h 29m

Ottawa

Sun 28/6

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

1 stop4h 35m

C$ 892

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Thu 25/6

7:25 a.m.-1:17 p.m.

1 stop4h 52m

Ottawa

Sun 28/6

8:05 p.m.-2:55 p.m.

1 stop19h 50m

C$ 986

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Sat 20/6

10:25 a.m.-7:09 p.m.

1 stop7h 44m

Ottawa

Fri 26/6

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

1 stop4h 35m

C$ 1,018

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Thu 2/7

6:00 a.m.-4:38 p.m.

1 stop9h 38m

Ottawa

Wed 8/7

6:05 a.m.-9:00 p.m.

1 stop15h 55m

C$ 1,027

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/5

Showing 1-10 of 44 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, September is the cheapest month in which you can book a flight from Chicago to Ottawa (average of C$ 222). Flying from Chicago to Ottawa in February is currently the most expensive (average of C$ 957). 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 27 May 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 27 May 2026.

The most flights from CHI to YOW are scheduled on a Monday (12 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (11 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 16% of weekly flights between Chicago and Ottawa have experienced delays in the past year, with the average delay time being 139 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 early afternoon 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 16% of flights being delayed.

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

  • How long is the flight from Chicago to Ottawa?

    Airlines like Porter Airlines, Air Canada, and United Airlines fly from Chicago to Ottawa in about 4h 52m. The time it takes to get you to your destination can typically vary by up to 4h 46m. 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 (79%), ANA (77%) or Air Canada (76%) 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$ 465 for a flight from Chicago to Ottawa. The cheapest flight overall is C$ 237 while the most popular route, (Chicago O'Hare Intl - Ottawa) is currently priced at C$ 700.

  • 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, September is the cheapest month in which you can book a flight from Chicago to Ottawa (average of C$ 222). Flying from Chicago to Ottawa in February is currently the most expensive (average of C$ 957). 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
Wakefield
Pembroke
Smiths Falls

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