What is the cheapest airline that flies from Chicago to Ottawa?

Porter Airlines is the most popular carrier operating from Chicago to Ottawa

How many flights depart from Chicago to Ottawa on average per day?

As of November 2025, there are 11 flights per day flying from Chicago to Ottawa. The most common time of day flights depart is 6:00p.m., with 39% of flights taking off in the evening.

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

According to our data, Delta has had the lowest number of delays on this route over the last 12 months, with no flights being classified as delayed.

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

Friday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

How many flights depart from Chicago to Ottawa on average per week?

As of November 2025, 81 flights take off from Chicago and land in Ottawa each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.

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

Generally, flights departing in the evening tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

How often are flights from Chicago to Ottawa delayed?

Historically, on average around 11% of flights between Chicago and Ottawa have experienced a delay on any given week. The average delay length over the past 12 months has been 137 minutes.

When did momondo last update prices for flights from Chicago to Ottawa Airport?

Prices for flights from Chicago to Ottawa Airport are updated daily.

How old do you have to be to fly from Chicago to Ottawa Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Ottawa Airport.

What documentation or ID do you need to fly to Ottawa Airport?

The necessary travel and health documents for your Ottawa Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

C$ 140 Cheap Flights from Chicago to Ottawa in 2025/26

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5:15 a.m. - 5:25 p.m.ORD-YOW

11h 10m1 stop

4:20 p.m. - 8:54 p.m.YOW-ORD

29h 34m3 stops

C$ 329Multiple Airlines

Find Deal

Thu, 8 Jan - Sun, 11 Jan

5:45 a.m. - 12:25 a.m.ORD-YOW

17h 40m2 stops

4:20 p.m. - 11:46 p.m.YOW-ORD

32h 26m3 stops

C$ 344Multiple Airlines

Find Deal

Thu, 8 Jan - Sun, 11 Jan

8:27 p.m. - 5:13 p.m.ORD-YOW

19h 46m1 stop

7:00 a.m. - 8:57 p.m.YOW-ORD

14h 57m1 stop

C$ 346Multiple Airlines

Find Deal

Thu, 8 Jan - Thu, 15 Jan

7:29 a.m. - 5:25 p.m.ORD-YOW

8h 56m1 stop

4:20 p.m. - 11:46 p.m.YOW-ORD

32h 26m3 stops

C$ 350Multiple Airlines

Find Deal

Fri, 9 Jan - Fri, 16 Jan

2:47 p.m. - 5:25 p.m.ORD-YOW

25h 38m1 stop

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

20h 07m1 stop

C$ 357Multiple Airlines

Find Deal

Thu, 29 Jan - Wed, 4 Feb

8:27 p.m. - 5:13 p.m.ORD-YOW

19h 46m1 stop

7:00 a.m. - 8:57 p.m.YOW-ORD

14h 57m1 stop

C$ 358Multiple Airlines

Find Deal

Thu, 8 Jan - Thu, 15 Jan

12:48 p.m. - 12:42 a.m.ORD-YOW

34h 54m2 stops

7:00 a.m. - 8:57 p.m.YOW-ORD

14h 57m1 stop

C$ 361Multiple Airlines

Find Deal

Thu, 8 Jan - Thu, 15 Jan

8:27 p.m. - 5:13 p.m.ORD-YOW

19h 46m1 stop

7:00 a.m. - 8:57 p.m.YOW-ORD

14h 57m1 stop

C$ 367Multiple Airlines

Find Deal

Thu, 8 Jan - Thu, 15 Jan

11:05 a.m. - 5:29 p.m.MDW-YOW

5h 24m1 stop

7:00 a.m. - 10:05 a.m.YOW-MDW

4h 05m1 stop

C$ 419Porter Airlines

Find Deal

Fri, 9 Jan - Fri, 16 Jan

11:00 a.m. - 5:29 p.m.MDW-YOW

5h 29m1 stop

8:55 p.m. - 10:05 a.m.YOW-MDW

14h 10m1 stop

C$ 447Porter Airlines

Find Deal

Thu, 29 Jan - Wed, 4 Feb

Porter Airlines flights from Chicago to Ottawa

Our best Porter Airlines deals on Chicago to Ottawa flight tickets

Porter Airlines

9 Jan

MDW11:05 a.m.Chicago Midway

5h 24m

1 stop

YOW5:29 p.m.Ottawa

16 Jan

YOW7:00 a.m.Ottawa

4h 05m

1 stop

MDW10:05 a.m.Chicago Midway

C$ 419

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Porter Airlines

22 May

MDW9:40 a.m.Chicago Midway

8h 13m

1 stop

YOW6:53 p.m.Ottawa

24 May

YOW8:35 a.m.Ottawa

8h 49m

1 stop

MDW4:24 p.m.Chicago Midway

C$ 432

Find similar

Porter Airlines

29 Jan

MDW11:00 a.m.Chicago Midway

5h 29m

1 stop

YOW5:29 p.m.Ottawa

4 Feb

YOW8:55 p.m.Ottawa

14h 10m

1 stop

MDW10:05 a.m.Chicago Midway

C$ 447

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Thu 8/1

5:15 a.m.-5:25 p.m.

1 stop11h 10m

Ottawa

Sun 11/1

4:20 p.m.-8:54 p.m.

3 stops29h 34m

C$ 329

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Thu 8/1

5:45 a.m.-12:25 a.m.

2 stops17h 40m

Ottawa

Sun 11/1

4:20 p.m.-11:46 p.m.

3 stops32h 26m

C$ 344

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Thu 8/1

8:27 p.m.-5:13 p.m.

1 stop19h 46m

Ottawa

Thu 15/1

7:00 a.m.-8:57 p.m.

1 stop14h 57m

C$ 346

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Fri 9/1

7:29 a.m.-5:25 p.m.

1 stop8h 56m

Ottawa

Fri 16/1

4:20 p.m.-11:46 p.m.

3 stops32h 26m

C$ 350

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Thu 29/1

2:47 p.m.-5:25 p.m.

1 stop25h 38m

Ottawa

Wed 4/2

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

1 stop20h 07m

C$ 357

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Thu 8/1

8:27 p.m.-5:13 p.m.

1 stop19h 46m

Ottawa

Thu 15/1

7:00 a.m.-8:57 p.m.

1 stop14h 57m

C$ 358

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Thu 8/1

12:48 p.m.-12:42 a.m.

2 stops34h 54m

Ottawa

Thu 15/1

7:00 a.m.-8:57 p.m.

1 stop14h 57m

C$ 361

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Thu 8/1

8:27 p.m.-5:13 p.m.

1 stop19h 46m

Ottawa

Thu 15/1

7:00 a.m.-8:57 p.m.

1 stop14h 57m

C$ 367

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Fri 9/1

11:05 a.m.-5:29 p.m.

1 stop5h 24m

Ottawa

Fri 16/1

7:00 a.m.-10:05 a.m.

1 stop4h 05m

C$ 419

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Thu 29/1

11:00 a.m.-5:29 p.m.

1 stop5h 29m

Ottawa

Wed 4/2

8:55 p.m.-10:05 a.m.

1 stop14h 10m

C$ 447

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How to get the cheapest flight ticket from Chicago to Ottawa

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Other information

What is the cheapest month to fly to Ottawa?

The month of May is, on average, the cheapest month to fly to Ottawa from Chicago, with most prices found around C$ 478. If you aren’t able to travel to Ottawa during the month of May, then flying in September is also cheap. Prices for this month can be found on momondo for an average of C$ 564.

What is the cheapest day to depart on your flight to Ottawa?

Our data shows that Thursday is the least expensive day to fly to Ottawa. Tickets to fly out on this day can be as low as C$ 523. Flights from Chicago to Ottawa on a Sunday will generally be more expensive and average around C$ 898. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Ottawa?

Our most recent data shows that the best time of day to fly to Ottawa is in the afternoon. Flights from Chicago to Ottawa during this time can be as low as C$ 523. In the morning is when there is more demand to fly to Ottawa, so prices are often more expensive at around C$ 862 per ticket.

What is the cheapest Chicago to Ottawa flight route?

Fly from Chicago O'Hare Intl to Ottawa for the best Chicago - Ottawa flight prices

What cabin class options are available on Chicago to Ottawa flights?

There are 2 cabin classes available to choose from on Chicago to Ottawa flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Chicago to Ottawa flights?

You could potentially save up to 78% on your flight if you consider stops on a Chicago to Ottawa flight.

How have Chicago to Ottawa flight prices changed over time?

When to book flights from Chicago to Ottawa

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Ottawa according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Chicago to Ottawa (CHI to YOW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Ottawa

Fastest flight time	2h 01m
Direct flights	Mon, Tue, Wed, Thu, Fri and Sat
Airports in Ottawa	1 airport

The fastest flight from Chicago to Ottawa takes 2h 01m

Direct flights go from Chicago to Ottawa on Monday, Tuesday, Wednesday, Thursday, Friday and Saturday. There are no airlines offering direct flights.

There is 1 airport near Ottawa: Ottawa (YOW)

Search flight deals

How far is Chicago to Ottawa by plane?
Chicago and Ottawa are 1035.5 km apart from one another. A reasonable flight in good conditions will take 3h 39m.
When did momondo last update prices for flights from Chicago to Ottawa Airport?
Prices for flights from Chicago to Ottawa Airport are updated daily.
How old do you have to be to fly from Chicago to Ottawa Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Ottawa Airport.
What documentation or ID do you need to fly to Ottawa Airport?
The necessary travel and health documents for your Ottawa Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Chicago to Ottawa?
momondo data reveals that the most frequently booked plane model on the route from Chicago to Ottawa is Embraer 175 (Enhanced Winglets), representing 38.79% of all bookings. The subsequent popular models are Canadair (Bombardier) Regional Jet CRJ-550 at 18.97%, Airbus A330-300 at 7.33%, and Airbus A330-200 at 4.31%.
What is the most popular airline from Chicago to Ottawa?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Chicago to Ottawa is Porter Airlines (55% of total bookings). The next most popular airline is United Airlines (45%).

Gatineau

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Brockville

Smiths Falls

Perth

Wakefield

Calabogie

Prescott

Petawawa

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Ottawa?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Ottawa . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Chicago to Ottawa with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Chicago to Ottawa flights to just show those with flexible booking policies.

How can momondo help me find flights from Chicago to Ottawa?

momondo provides multiple filters to help you find the best flight to Ottawa from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Chicago to Ottawa right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Chicago to Ottawa flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Chicago to Ottawa from C$ 140

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Ottawa departing on 27/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names, great deals

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Porter Airlines flights from Chicago to Ottawa

Our best Porter Airlines deals on Chicago to Ottawa flight tickets

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How to get the cheapest flight ticket from Chicago to Ottawa

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Ottawa?

The month of May is, on average, the cheapest month to fly to Ottawa from Chicago, with most prices found around C$ 478. If you aren’t able to travel to Ottawa during the month of May, then flying in September is also cheap. Prices for this month can be found on momondo for an average of C$ 564.

What is the cheapest day to depart on your flight to Ottawa?

What is the cheapest time of day to depart on your flight to Ottawa?

Our most recent data shows that the best time of day to fly to Ottawa is in the afternoon. Flights from Chicago to Ottawa during this time can be as low as C$ 523. In the morning is when there is more demand to fly to Ottawa, so prices are often more expensive at around C$ 862 per ticket.

What is the cheapest Chicago to Ottawa flight route?

Fly from Chicago O'Hare Intl to Ottawa for the best Chicago - Ottawa flight prices

What cabin class options are available on Chicago to Ottawa flights?

There are 2 cabin classes available to choose from on Chicago to Ottawa flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Chicago to Ottawa flights?

You could potentially save up to 78% on your flight if you consider stops on a Chicago to Ottawa flight.

How have Chicago to Ottawa flight prices changed over time?

What is the cheapest airline that flies from Chicago to Ottawa?

Porter Airlines is the most popular carrier operating from Chicago to Ottawa

How often are flights from Chicago to Ottawa delayed?

Historically, on average around 11% of flights between Chicago and Ottawa have experienced a delay on any given week. The average delay length over the past 12 months has been 137 minutes.

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

Generally, flights departing in the evening tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

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

Friday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

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

According to our data, Delta has had the lowest number of delays on this route over the last 12 months, with no flights being classified as delayed.

How many flights depart from Chicago to Ottawa on average per day?

As of November 2025, there are 11 flights per day flying from Chicago to Ottawa. The most common time of day flights depart is 6:00p.m., with 39% of flights taking off in the evening.

How many flights depart from Chicago to Ottawa on average per week?

As of November 2025, 81 flights take off from Chicago and land in Ottawa each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.

When to book flights from Chicago to Ottawa

Cheap Chicago to Ottawa (CHI to YOW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Ottawa

Fastest flight time

Direct flights

Airports in Ottawa

How far is Chicago to Ottawa by plane?

When did momondo last update prices for flights from Chicago to Ottawa Airport?

How old do you have to be to fly from Chicago to Ottawa Airport?

What documentation or ID do you need to fly to Ottawa Airport?

What is the most popular plane model from Chicago to Ottawa?

What is the most popular airline from Chicago to Ottawa?

Travelling to a place near Ottawa?

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Ottawa?

Can I find flights from Chicago to Ottawa with flexible booking policies on momondo?

How can momondo help me find flights from Chicago to Ottawa?

I’m not ready to book a flight from Chicago to Ottawa right now. Can momondo alert me if prices change?

An easier way to manage your Ottawa trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Canada

Airports servicing Ontario