Support

Cheap flights from Chicago to Ottawa

Chicago
CHI
Ottawa
YOW

Flight deals from Chicago to Ottawa

Below you can see the best deals on flights Chicago — Ottawa for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 29 August, from $201.

Top 10 cheap flights from Chicago to Ottawa

DL
$ 225

Chicago — Detroit

06:5909:23
18 Aug 2026
1 h 24 m
Direct flight
DL
$ 225

Chicago — Detroit

09:2411:40
18 Aug 2026
1 h 16 m
Direct flight
DL
$ 225

Chicago — Detroit

09:2411:40
21 Aug 2026
1 h 16 m
Direct flight
DL
$ 225

Chicago — Detroit

08:4811:19
21 Aug 2026
1 h 31 m
Direct flight
DL
$ 225

Chicago — Detroit

09:2411:40
21 Aug 2026
1 h 16 m
Direct flight
DL
$ 225

Chicago — Detroit

09:2411:40
21 Aug 2026
1 h 16 m
Direct flight
DL
$ 226

Chicago — Detroit

18:4221:00
14 Aug 2026
1 h 18 m
Direct flight
DL
$ 227

Chicago — Detroit

18:4221:00
18 Aug 2026
1 h 18 m
Direct flight
DL
$ 227

Chicago — Detroit

09:2411:40
18 Aug 2026
1 h 16 m
Direct flight
DL
$ 227

Chicago — Detroit

06:5909:23
18 Aug 2026
1 h 24 m
Direct flight

Prices were found in the last 72 hours and may change — check the exact price when you continue.

About the Chicago — Ottawa flight

On this page, you can book flights from Chicago to Ottawa. The distance between the cities is 1,038 km, with approximately 14 scheduled flights operating weekly.

Flights are provided by airlines such as United Airlines, Air Canada, and Emirates. Ticket prices are dynamic; to find the best deals, use our price chart as well as information on how to get to the airport in Chicago and how to get from Ottawa airport.

Flight ticket prices by day: Chicago — Ottawa

Below is a calendar of the lowest flight ticket prices for Chicago — Ottawa by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $201 in ,, and the most expensive are around $356 in y. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--

Prices by month

Chicago → Ottawa, average one-way price

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$459highMay$344lowSep$351low
Feb$466highJun$434highOct$357low
Mar$395mediumJul$446highNov$351low
Apr$383mediumAug$440highDec$389medium

Some values are estimated based on seasonality.

When to fly

The warmest time in Ottawa is July, with temperatures reaching up to 26.5°C, while the coldest month is January, when the temperature drops to -12.7°C. Peak precipitation occurs in April and June, which should be taken into account when planning your trip.

The most budget-friendly month to fly is July, with prices starting $193. The peak price period is January, when the minimum fare increases to $301.

September is an optimal month for travel, offering mild weather and affordable fares $211. Conversely, the winter months may be less comfortable due to severe frosts and higher ticket costs.

Temperature · Ottawa

Dry and wet days · Ottawa

Wind speed and direction · Ottawa

We'll let you know if you need a visa

Enter your destination or
Your nationality
Destination

How to get the best deal on a Chicago — Ottawa ticket

  • Book your tickets at least 4–6 weeks in advance to access the best fares from United Airlines and Air Canada.
  • Use the low-price calendar on this page: departing mid-week (Tuesday or Wednesday) is often cheaper than flying on weekends.
  • Compare connecting flights with direct ones; sometimes a layover can save you up to $38, despite a slight increase in travel time.
  • Pay close attention to baggage and carry-on rules, as basic fares on flights between the US and Canada often do not include checked luggage.

Airlines

There are 3 airlines operating on this route, with the primary carriers being United Airlines and Air Canada. Approximately 14 flights are scheduled weekly, including both direct options and flights with convenient connections. To view the exact schedule for specific dates and choose your preferred class of service, please refer to the detailed list of airlines below.

  • United AirlinesUA
    11x/week
    WebsiteFleet: 956165M pax/year
    • Direct flight ORD → YOW11x/week
      Duration
      2h 16m
      Days
      MTWTFSS
  • Air CanadaAC
    3x/week
    WebsiteFleet: 20346M pax/year
    • Direct flight ORD → YOW3x/week
      Duration
      2h 18m
      Days
      MTWTFSS
  • EmiratesEK
    1x/week
    WebsiteFleet: 26051.9M pax/year
    • Direct flight ORD → YOW1x/week

Cities and airports on the Chicago — Ottawa route

Flights Chicago — Ottawa depart from O'Hare International Airport, Chicago Midway International Airport, Midway International Airport and Chicago Rockford International Airport and arrive at Ottawa Macdonald–Cartier International Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure airports
Arrival airports

Interesting articles about Ottawa

Flying across the ocean with Royal Air MarocTravel Ideas

Flying across the ocean with Royal Air Maroc

The Western Hemisphere seems so distant and unattainable until you discover connecting flights with Royal Air Maroc. With this airline, it’s much easier to get to North or South America, see the carni…

Free Public Transport AbroadUseful information

Free Public Transport Abroad

How to get around abroad is always a tricky question. Some simply buy a day pass and spare no expense, while others prefer to walk to avoid spending extra money on “it’s only a ten-minute walk!”. But…

What Tour Guides Don’t Talk About?Tips for Travelers

What Tour Guides Don’t Talk About?

Do you like engaging excursions? Everyone loves them. And what spices up the list of historical facts about a landmark? Legends, of course! We’ve tried to gather interesting legends about some landmar…

Graffiti: Where to go for street artInteresting

Graffiti: Where to go for street art

Long gone are the days when graffiti was considered solely vandalism. Today, street art is a powerful and vibrant direction of contemporary art, transforming gray city walls into open-air galleries. A…

The World’s Largest CitiesInteresting

The World’s Largest Cities

If you prefer non-stop action to quiet solitude somewhere by the sea or in the mountains—this article is for you. We’ve already told you about the oldest cities in the world, and now it’s time to delv…

Did you know that some airports have beds?Interesting

Did you know that some airports have beds?

Did you know that some airports have beds? They are intended for passengers whose flights were canceled due to bad weather or other force majeure circumstances. These unfortunate travelers are offered…

Frequently asked questions about the Chicago — Ottawa flight

How long is the flight from Chicago to Ottawa?

The average travel time for a direct flight covering a distance of 1,038 km is approximately 1 hour and 20 minutes. The exact duration depends on the aircraft type and weather conditions.

Which airlines fly this route?

Scheduled flights are operated by United Airlines, Air Canada, and Emirates. A full list of current carriers and their schedules is provided on this page.

How can I find the cheapest flight?

Flight prices change constantly. To find the lowest price, we recommend using the low-price calendar and monitoring the price dynamics chart on our website.

Which airport do flights arrive at?

Flights arrive at Macdonald-Cartier International Airport (YOW), which is the main air gateway to Ottawa.

Where else you can fly from Chicago

See all

Where else you can fly from Ottawa

See all

We use cookies and services to collect user information. This is essential for the functioning of the site and for marketing purposes. You can find out more in .