Cheap flights from Illinois to Ottawa from C$ 153
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 18/7. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Illinois to Ottawa
Keep the following information in mind while searching for Illinois to Ottawa flight deals. Data was last updated 22 April 2025.
Round-trip from | C$ 301 |
---|---|
One-way from | C$ 153 |
Popular in | November |
Cheapest in | July |
Average price | C$ 673 |
Good round-trip deal | C$ 673 or less |
Find flight deals from Illinois to Ottawa
Cheapest flights from Illinois to OttawaExplore the most affordable flight options available from Illinois to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 April 2025.
Explore the most affordable flight options available from Illinois to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 April 2025.
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois 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 22 April 2025.
Use the filters below to find and compare flights from Illinois to Ottawa that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
ChicagoOttawa
MDW - YOW
MDWYOW
Chicago Midway
Thu 29/5
9:40 a.m.-4:33 p.m.
1 stop5h 53m
Ottawa
Sun 1/6
12:35 p.m.-4:54 p.m.
1 stop5h 19m
ChicagoOttawa
MDW - YOW
MDWYOW
Chicago Midway
Thu 22/5
9:40 a.m.-4:33 p.m.
1 stop5h 53m
Ottawa
Sun 25/5
5:55 a.m.-4:54 p.m.
1 stop11h 59m
ChicagoOttawa
ORD - YOW
ORDYOW
Chicago O'Hare Intl
Wed 7/5
5:51 a.m.-3:11 p.m.
1 stop8h 20m
Ottawa
Wed 18/6
11:20 a.m.-11:45 p.m.
2 stops13h 25m
ChicagoOttawa
ORD - YOW
ORDYOW
Chicago O'Hare Intl
Tue 27/5
3:35 p.m.-10:07 p.m.
1 stop5h 32m
Ottawa
Wed 4/6
6:00 a.m.-9:52 a.m.
1 stop4h 52m
ChicagoOttawa
ORD - YOW
ORDYOW
Chicago O'Hare Intl
Tue 24/6
2:25 p.m.-12:22 a.m.
2 stops8h 57m
Ottawa
Wed 25/6
5:55 a.m.-12:55 p.m.
2 stops8h 00m
ChicagoOttawa
ORD - YOW
ORDYOW
Chicago O'Hare Intl
Thu 3/7
1:56 p.m.-5:06 p.m.
Nonstop2h 10m
Ottawa
Sun 6/7
6:33 a.m.-7:55 a.m.
Nonstop2h 22m
ChicagoOttawa
ORD - YOW
ORDYOW
Chicago O'Hare Intl
Tue 27/5
9:00 a.m.-12:22 a.m.
2 stops14h 22m
Ottawa
Wed 4/6
5:55 a.m.-4:30 p.m.
2 stops11h 35m
ChicagoOttawa
MDW - YOW
MDWYOW
Chicago Midway
Tue 10/6
9:24 a.m.-12:22 a.m.
2 stops13h 58m
Ottawa
Wed 18/6
5:55 a.m.-6:41 p.m.
2 stops13h 46m
ChicagoOttawa
MDW - YOW
MDWYOW
Chicago Midway
Fri 18/7
9:20 a.m.-12:41 a.m.
2 stops14h 21m
Ottawa
Mon 21/7
6:00 a.m.-6:03 p.m.
2 stops13h 03m
ChicagoOttawa
MDW - YOW
MDWYOW
Chicago Midway
Fri 18/7
9:40 a.m.-4:33 p.m.
1 stop5h 53m
Best time to book a flight from Illinois to Ottawa
Have a flexible travel schedule? Discover the best time to fly to Ottawa from Illinois with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Illinois to Ottawa
What is the cheapest month to book a flight from Illinois to Ottawa?
Currently, October is the cheapest month in which you can book a flight from Illinois to Ottawa (average of C$ 224). Flying from Illinois to Ottawa in December is currently the most expensive (average of C$ 326). 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 IL to YOW?
Find hourly flight availability from Illinois 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 22 April 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Ottawa as you normally would.
Weekly flight availability from Illinois to Ottawa
Explore weekly flight availability from Illinois 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 22 April 2025.
The most flights from USIL to YOW are scheduled on a Monday (13 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 on average).
Rainfall in Ottawa by month
Plan your trip to Ottawa by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Ottawa ranges from 50.0 - 93.0 mm per month. June is typically the wettest month, when rainfall can reach 93.0 mm. February is typically the driest time to visit Ottawa when rainfall is around 50.0 mm.
Temperature in Ottawa by month
Plan your trip to Ottawa by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Ottawa, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -10.0 C).
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 22 April 2025.
To help decide which airline to fly from Illinois to Ottawa, see what other customers have to say about Porter Airlines, Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
Food
Boarding
Overall
Crew
Comfort
Reviews
Anonymous,Apr 2025
MCO - YHZ
Entertainment
Food
Boarding
Overall
Crew
Comfort
Reviews
Anonymous,Apr 2025
MCO - YHZ
Entertainment
Food
Boarding
Overall
Crew
Comfort
Reviews
Anonymous,Apr 2025
MCO - YHZ
Entertainment
Food
Boarding
Overall
Crew
Comfort
Reviews
Anonymous,Apr 2025
MCO - YHZ
Entertainment
Food
Boarding
Overall
Crew
Comfort
Reviews
Anonymous,Apr 2025
MCO - YHZ
Entertainment
Food
Boarding
Overall
Crew
Comfort
Reviews
Anonymous,Apr 2025
MCO - YHZ
Related info for your journey
Find useful and relevant information for your journey from Illinois to Ottawa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Travelling to a place near Illinois?
Book flights to Illinois if you plan to visit one of these locationsBrowse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for Illinois to Ottawa
See prices for flight routes from nearby airports that may be better suited for you.
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Illinois to Ottawa?
When you search for this flight from Illinois to Ottawa, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from Illinois to Ottawa?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Illinois to Ottawa.
Can Cheapflights find flights from Illinois to Ottawa with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from Illinois to Ottawa, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from Illinois to Ottawa become cheaper?
Not ready to book yet? You can track prices for flights from Illinois to Ottawa on Cheapflights with our Price Alert feature and get notified when better prices are available.