Cheap flights from Ottawa to Illinois from C$ 204
This is the cheapest one-way flight price, found on 5/12. Prices may vary by date and flight preferences.
Flights from Illinois to Ottawa
How far in advance should I book a flight from Ottawa to Illinois?
Users have found that booking a flight from Ottawa to Illinois at least 43 days early can save you up to 100% on average compared to booking a flight this week. If booking 43 days before your flight isn’t an option for you, users have found flights from Ottawa to Illinois for as little as C$ 506 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as C$ 805 for flights departing within the next 3 days.
What is the cheapest month to fly from Ottawa to Illinois?
April is one of the best times of the year to fly to Illinois from Ottawa. Prices for April average C$ 578 per person but you can even find prices for as low as C$ 370. The most expensive prices can be found in the month of September. Opting for a April flight can save you 19% on your journey compared to booking in September
When is the cheapest time to fly from Ottawa to Illinois (YOW - IL)?
When flying from Ottawa to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Cheap United Airlines flights from Ottawa to Illinois
Explore cheap flight options specifically provided by United Airlines for the route between Ottawa and Illinois. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 500,832 searches. Data last updated 6 December 2023.
Find some of the cheapest United Airlines flights travelling from Ottawa to Illinois. Make sure to check back often as deals are often changing.
Cheap Air Canada flights from Ottawa to Illinois
Explore cheap flight options specifically provided by Air Canada for the route between Ottawa and Illinois. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 500,832 searches. Data last updated 6 December 2023.
Some of the lowest-priced Air Canada flights we've found at this time heading from Ottawa to Illinois. Ensure the flight price, dates, time, and airline match your criteria before you book.
Cheap Ottawa to Illinois flights in December & January 2023
Find cheap flight options from Ottawa to Illinois specifically for the months of December and January 2023. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 500,832 searches. Prices were last updated on 6 December 2023.
Check out some of the best flight deals from Ottawa to Illinois in 2023. Check back regularly for other flight deals.
Ottawa to Illinois 2023 flight deals
Discover exclusive flight deals for travel between Ottawa and Illinois in 2023. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 500,832 searches. Data last updated 6 December 2023.
Check out some of the best flight deals from Ottawa to Illinois in 2023. Check back regularly for other flight deals.
Direct flights to Illinois from Ottawa
Discover non-stop flight options from Ottawa to Illinois. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 500,832 searches. Data last updated 6 December 2023.
For a quicker trip, book one of these direct flights from Ottawa to Illinois. If you're looking for other options for flights from Ottawa to Illinois, make sure to update the search form at the top of page.
Ottawa to Illinois flights leaving soon
Find last-minute flight options from Ottawa to Illinois for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 500,832 searches. Data last updated 6 December 2023.
Check out these flights departing soon from Ottawa to Illinois. Users should examine the flight details to ensure there are no surprises.
One-way flights to Illinois from Ottawa
Search for one-way flight options from Ottawa to Illinois. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 500,832 searches. Data last updated 6 December 2023.
Users in need of a one-way flight from Ottawa to Illinois can choose from these deals. Users can also find round-trip Ottawa to Illinois flights by using the search form above.
Find flights from Ottawa to Illinois within your budget
Customize your flight search to find flights from Ottawa to Illinois 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 500,832 searches. Data last updated 6 December 2023.
Fly from
Fly to
Budget
C$ 300 - C$ 833
Route
Depart
Return
Price
OttawaChicago O'Hare Intl
YOW - ORD
YOWORD
Ottawa
Sat 16/12
1 stop19h 24m
Chicago O'Hare Intl
Wed 20/12
1 stop17h 10m
OttawaChicago Midway
YOW - MDW
YOWMDW
Ottawa
Tue 19/12
1 stop4h 35m
Chicago Midway
Sun 31/12
1 stop3h 54m
OttawaChicago Midway
YOW - MDW
YOWMDW
Ottawa
Tue 19/12
1 stop4h 35m
Chicago Midway
Thu 28/12
1 stop4h 39m
OttawaChicago O'Hare Intl
YOW - ORD
YOWORD
Ottawa
Sun 17/12
1 stop27h 43m
Chicago O'Hare Intl
Wed 20/12
1 stop17h 10m
OttawaChicago Midway
YOW - MDW
YOWMDW
Ottawa
Thu 21/12
1 stop3h 40m
Chicago Midway
Fri 29/12
1 stop6h 09m
OttawaChicago Midway
YOW - MDW
YOWMDW
Ottawa
Tue 19/12
1 stop13h 36m
Chicago Midway
Thu 28/12
1 stop4h 39m
OttawaChicago O'Hare Intl
YOW - ORD
YOWORD
Ottawa
Tue 19/12
1 stop4h 32m
Chicago O'Hare Intl
Sun 31/12
1 stop4h 05m
OttawaChicago O'Hare Intl
YOW - ORD
YOWORD
Ottawa
Fri 8/3
1 stop4h 42m
Chicago O'Hare Intl
Tue 12/3
2 stops7h 11m
OttawaChicago Midway
YOW - MDW
YOWMDW
Ottawa
Fri 8/3
2 stops30h 57m
Chicago Midway
Tue 12/3
2 stops23h 45m
Reviews of airlines servicing Illinois
Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated 6 December 2023.
Get a feel of what it's like to fly with United Airlines, Air Canada and WestJet from Ottawa to Illinois by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
Food
Comfort
Entertainment
Overall
Crew
Reviews
cancelled flight, no assistance, went from direct flight at 1pm to a 645 AM non-direct flight, tried to change and the customer support would not help, refused to give me a manager when I requested to speak with one, then spent an hour on the tarmac. Will do my very best to avoid using this airline again
Boarding
Food
Comfort
Entertainment
Overall
Crew
Reviews
cancelled flight, no assistance, went from direct flight at 1pm to a 645 AM non-direct flight, tried to change and the customer support would not help, refused to give me a manager when I requested to speak with one, then spent an hour on the tarmac. Will do my very best to avoid using this airline again
Boarding
Food
Comfort
Entertainment
Overall
Crew
Reviews
cancelled flight, no assistance, went from direct flight at 1pm to a 645 AM non-direct flight, tried to change and the customer support would not help, refused to give me a manager when I requested to speak with one, then spent an hour on the tarmac. Will do my very best to avoid using this airline again
Boarding
Food
Comfort
Entertainment
Overall
Crew
Reviews
cancelled flight, no assistance, went from direct flight at 1pm to a 645 AM non-direct flight, tried to change and the customer support would not help, refused to give me a manager when I requested to speak with one, then spent an hour on the tarmac. Will do my very best to avoid using this airline again
Boarding
Food
Comfort
Entertainment
Overall
Crew
Reviews
cancelled flight, no assistance, went from direct flight at 1pm to a 645 AM non-direct flight, tried to change and the customer support would not help, refused to give me a manager when I requested to speak with one, then spent an hour on the tarmac. Will do my very best to avoid using this airline again
Related info for your journey
Find useful and relevant information for your journey from Ottawa to Illinois. 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 from for flights from Ottawa to Illinois?
Ottawa (YOW) is the airport you will fly out of if you book a flight from Ottawa to Illinois. It is only a 10.6 km journey to Ottawa (YOW) from Ottawa’s city centre.
Can I find flights from Ottawa to Illinois for under C$ 300 on Cheapflights?
Yes, there are multiple flights from Ottawa to Illinois for under C$ 300. The cheapest flight booked recently is on Multiple Airlines for just C$ 300, but on average you can expect to pay C$ 383.
Are there direct flights from Ottawa to Illinois for under C$ 700 on Cheapflights?
Cheapflights has 15 direct flights from Ottawa to Illinois under C$ 700. A good price for a direct flight from Ottawa to Illinois is less than C$ 1,204.
Are there last-minute flights available from Ottawa to Illinois for under C$ 300?
There are currently 20+ open flights from Ottawa to Illinois within the next 7 days for less than C$ 300.
What are the cheapest airlines to fly from Ottawa to Illinois one-way?
The cheapest airline one-way is Porter Airlines, with whom users have recently found tickets for as low as C$ 223. However, be on the lookout for offers from Air Canada and WestJet, as they are both options that can get you from Ottawa to Illinois for a low price.
What are the most popular routes from Ottawa to Illinois?
Most travellers choose Ottawa - Chicago O'Hare Intl, Ottawa - Chicago Midway or Ottawa - Lambert-St Louis when deciding on the best route from Ottawa to Illinois.
What are the most reliable airlines from Ottawa to Illinois?
Before booking your flight to Illinois from Ottawa, check out the most reliable airlines to get you to your destination on time: GoJet (89%), ANA (87%), United Airlines( 85%).
What are the cheapest flights from Ottawa to Illinois?
Looking for the cheapest flight from Ottawa to Illinois? While on average our users pay C$ 1,397, our data indicates the cheapest price to be C$ 247. The most popular route (Ottawa - Chicago O'Hare Intl), is priced around C$ 393.
What does YOW to ORD mean?
Great question - YOW to ORD just means Ottawa Airport to Chicago O'Hare Intl Airport. Now you’ll know what these unique codes when you look for flights! Ready for more IATA code knowledge? These are related airports for your current travel destination: Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Springfield Capital Airport (SPI).
Browse thousands of different options on Cheapflights for your next trip
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Complete your tripComplete your trip to Illinois by adding a car rental and/or hotel reservation to your travel itinerary.
Complete your trip to Illinois by adding a car rental and/or hotel reservation to your travel itinerary.
Top 3 airlines flying from Ottawa to Illinois
Discover the top 3 airlines that operate flights from Ottawa to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 500,832 searches. Data last updated 6 December 2023.
Search flights to Illinois by cabin class
Hourly flight availability from Ottawa to Illinois
Find hourly flight availability from Ottawa to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 6 December 2023.
| 58%of flight departures | Early morningMidnight to 6 am |
|---|---|
| 0%of flight departures | Morning6 am to noon |
| 42%of flight departures | AfternoonNoon to 6 pm |
| 0%of flight departures | Evening6 pm to midnight |
Book a flight to one of these trending destinations
User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
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 Ottawa to Illinois?
Cheapflights makes it easy to find Ottawa to Illinois flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from Ottawa to Illinois?
Cheapflights helps you find that perfect flight to Illinois from Ottawa by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from Ottawa to Illinois with no change fees?
Yes! Cheapflights helps users easily find flights from Ottawa to Illinois with no change fees.
Can Cheapflights notify me if prices for flights from Ottawa to Illinois become cheaper?
Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!