Cheap flights from Illinois to Ottawa from C$ 216
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 9/4. 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 28 March 2025.
Round-trip from | C$ 502 |
---|---|
One-way from | C$ 216 |
Popular in | November |
Cheapest in | July |
Average price | C$ 755 |
Good round-trip deal | C$ 696 or less |
Good one-way deal | C$ 364 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 28 March 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 28 March 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 28 March 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 8/5
9:40 a.m.-4:33 p.m.
1 stop5h 53m
Ottawa
Sun 11/5
12:35 p.m.-4:54 p.m.
1 stop5h 19m
ChicagoOttawa
ORD - YOW
ORDYOW
Chicago O'Hare Intl
Tue 22/4
7:47 p.m.-3:10 p.m.
2 stops18h 23m
Ottawa
Thu 24/4
4:20 p.m.-10:59 a.m.
1 stop19h 39m
ChicagoOttawa
MDW - YOW
MDWYOW
Chicago Midway
Sun 11/5
6:15 a.m.-7:55 p.m.
1 stop12h 40m
Ottawa
Sun 18/5
12:35 p.m.-4:54 p.m.
1 stop5h 19m
ChicagoOttawa
ORD - YOW
ORDYOW
Chicago O'Hare Intl
Sun 11/5
4:25 p.m.-11:53 p.m.
1 stop6h 28m
Ottawa
Sun 18/5
5:25 p.m.-6:54 p.m.
Nonstop2h 29m
ChicagoOttawa
ORD - YOW
ORDYOW
Chicago O'Hare Intl
Sun 15/6
1:40 p.m.-4:20 p.m.
1 stop25h 40m
Ottawa
Fri 20/6
6:10 a.m.-12:39 p.m.
1 stop31h 29m
ChicagoOttawa
ORD - YOW
ORDYOW
Chicago O'Hare Intl
Thu 24/4
9:05 p.m.-9:58 a.m.
1 stop11h 53m
Ottawa
Thu 1/5
2:45 p.m.-11:15 p.m.
1 stop9h 30m
ChicagoOttawa
ORD - YOW
ORDYOW
Chicago O'Hare Intl
Tue 6/5
9:30 a.m.-12:22 a.m.
2 stops13h 52m
Ottawa
Tue 13/5
5:55 a.m.-4:30 p.m.
2 stops11h 35m
ChicagoOttawa
MDW - YOW
MDWYOW
Chicago Midway
Tue 6/5
9:20 a.m.-12:22 a.m.
2 stops14h 02m
Ottawa
Tue 13/5
5:55 a.m.-6:45 p.m.
2 stops13h 50m
ChicagoOttawa
MDW - YOW
MDWYOW
Chicago Midway
Tue 8/4
12:48 p.m.-12:09 a.m.
2 stops10h 21m
Ottawa
Wed 9/4
8:10 p.m.-6:18 p.m.
2 stops23h 08m
ChicagoOttawa
ORD - YOW
ORDYOW
Chicago O'Hare Intl
Wed 9/4
11:54 a.m.-2:57 p.m.
1 stop26h 03m
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 28 March 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.
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 28 March 2025.
To help decide which airline to fly from Illinois to Ottawa, see what other customers have to say about Delta, Porter Airlines and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
Comfort
Food
Entertainment
Overall
Crew
Reviews
Aaron,Oct 2024
LAX - LHR
Boarding
Comfort
Food
Entertainment
Overall
Crew
Reviews
Aaron,Oct 2024
LAX - LHR
Boarding
Comfort
Food
Entertainment
Overall
Crew
Reviews
Aaron,Oct 2024
LAX - LHR
Boarding
Comfort
Food
Entertainment
Overall
Crew
Reviews
Aaron,Oct 2024
LAX - LHR
Boarding
Comfort
Food
Entertainment
Overall
Crew
Reviews
Aaron,Oct 2024
LAX - LHR
Boarding
Comfort
Food
Entertainment
Overall
Crew
Reviews
Aaron,Oct 2024
LAX - LHR
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.
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Alternative routes for Illinois to Ottawa
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