Cheap flights from Ottawa to Illinois

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Ottawa (YOW)
Chicago (ORD)
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How to find the cheapest flight from
Ottawa (YOW) to Illinois

All the information you need to plan the best YOW to ORD flight in 2021: compare Ottawa to Illinois flight prices with the expected peak season, weather and rainfall in Illinois.
How far in advance should I book a flight from Ottawa to Illinois?

Find a great deal and save up to 86% by booking at least 34 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Ottawa to Illinois within the next two weeks, with the cheapest ticket starting at C$ 435.

What is the cheapest month to fly from Ottawa to Illinois?

April can be a great time to fly to Illinois from Ottawa with a flight ticket averaging about C$ 317. Cheapflights users have found deals in the month of April for as cheap as C$ 240. The most expensive prices can be found in the month of January.

Cheap flights from Ottawa to Illinois in April, May 2021

The best prices found for YOW to Illinois flights for April, May
21 May - 23 May
C$ 428pp
YOW
Ottawa
Air Canada
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Air Canada
 
1 STOP
YOW
Ottawa
22 May - 5 Jun
C$ 454pp
YOW
Ottawa
Multiple Airlines
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Air Canada
 
1 STOP
YOW
Ottawa
8 May - 15 May
C$ 488pp
YOW
Ottawa
Air Canada
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Air Canada
 
1 STOP
YOW
Ottawa

Ottawa to Illinois 2021 flight deals

Cheap flights to Illinois from Ottawa found for this year
11 Nov - 18 Nov
C$ 425pp
YOW
Ottawa
Porter Airlines
 
1 STOP
MDW
Chicago Midway
MDW
Chicago Midway
Porter Airlines
 
1 STOP
YOW
Ottawa
21 May - 23 May
C$ 428pp
YOW
Ottawa
Air Canada
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Air Canada
 
1 STOP
YOW
Ottawa
30 Jun - 14 Jul
C$ 432pp
YOW
Ottawa
Air Canada
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Air Canada
Direct
YOW
Ottawa

Direct flights to Illinois from Ottawa

Save time with Ottawa to Illinois direct flight deals
5 Oct - 9 Oct
C$ 432pp
YOW
Ottawa
United Airlines
Direct
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
United Airlines
Direct
YOW
Ottawa
5 Oct - 9 Oct
C$ 433pp
YOW
Ottawa
United Airlines
Direct
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
United Airlines
Direct
YOW
Ottawa

Last minute flights from Ottawa to Illinois

Late deals on round-trip flights to Illinois from Ottawa, departing today and this week
28 Apr - 2 May
C$ 768pp
YOW
Ottawa
Air Canada
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Air Canada
 
1 STOP
YOW
Ottawa
28 Apr - 2 May
C$ 788pp
YOW
Ottawa
Multiple Airlines
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Air Canada
 
1 STOP
YOW
Ottawa
28 Apr - 2 May
C$ 1,015pp
YOW
Ottawa
Multiple Airlines
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Multiple Airlines
   
2 STOPS
YOW
Ottawa

One-way flights to Illinois from Illinois

The cheapest one-way flights from Ottawa to Illinois
11:25 a.m. - 6:59 a.m.
WestJet
2 stops
20h 34m
YOW - ORD
WestJet
C$ 337
WestJet
1:45 a.m. - 12:37 p.m.
United Airlines
2 stops
11h 52m
YOW - ORD
United Airlines
C$ 345
United
12:10 p.m. - 5:48 a.m.
Air Canada
2 stops
18h 38m
YOW - ORD
Air Canada
C$ 570

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Ottawa</span> to <span class="emphasized">Illinois</span> flights.

Flight FAQs

From Ottawa to Illinois

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 center.

What safety measures are being taken by airlines flying from Ottawa to Illinois to control the spread of COVID-19?

New policies can now be found on Delta to help keep travellers safe while flying. New policies for travellers booking flights from Ottawa to Illinois include masks being provided and required on board, daily cleaning and sanitization, use of HEPA filters, pre-flight testing for antibodies and symptoms, and socially-distanced seating (for a limited time). Keep in mind that policies will vary by airline.

Which airlines flying from Ottawa to Illinois have flexible cancellations due to COVID-19?

Porter Airlines, Air Canada, and United Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Ottawa to Illinois for under C$ 502 on Cheapflights?

Yes, there are multiple flights from Ottawa to Illinois for under C$ 502. The cheapest flight booked recently is on Air Canada for just C$ 428, but on average you can expect to pay C$ 482.

Are there direct flights from Ottawa to Illinois for under C$ 502 on Cheapflights?

Cheapflights has 2 direct flights from Ottawa to Illinois under C$ 502. A good price for a direct flight from Ottawa to Illinois is less than C$ 432.

Are there last-minute flights available from Ottawa to Illinois for under C$ 878?

There are currently 3+ open flights from Ottawa to Illinois within the next 7 days for less than C$ 878.

What are the most popular airlines that fly from Ottawa to Illinois?

American Airlines, Air Canada and Delta are the most popular airlines when flying from Ottawa to Illinois.

What are the most popular routes from Ottawa to Illinois?

Most travellers choose Ottawa - Chicago O'Hare Intl, Ottawa - Chicago Midway or Ottawa - Champaign University-Willard when deciding on the best route from Ottawa to Illinois.

What are the cheapest flights from Ottawa to Illinois?

The cheapest flight price from Ottawa to Illinois is C$ 185. On average you can expect to pay C$ 345. The most popular route, (Ottawa - Chicago O'Hare Intl), can usually be booked for C$ 433.

How long is the flight from Ottawa to Illinois?

Airlines like Porter Airlines, Air Canada, and United Airlines fly from Ottawa to Illinois in about 3h 27m. The time it takes to get you to your destination can typically vary by up to 3h 03m. This flight may include one or multiple stops.

What are the cheapest airlines to flying from Ottawa to Illinois round-trip?

According to our current data, Air Canada (C$ 428), Porter Airlines (C$ 433), and United Airlines (C$ 448) offers the cheapest pricing from Ottawa to Illinois.

What are the cheapest airlines to fly from Ottawa to Illinois one-way?

C$ 241 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on United Airlines and WestJet, with prices starting from C$ 268 and C$ 337, respectively.

Destination points for flights from Ottawa to Illinois

Select to see more specific information for flights from Ottawa to all places in Illinois.

Destination information for Illinois

Things to know before you go - useful duration and weather info for your trip from Ottawa to Illinois.
Today's exchange rate
C$ 1 = $0.80

Airports servicing Ottawa

Airports servicing

Bloomington Bloomington-Normal (BMI)
Champaign University-Willard (CMI)
Decatur Arpt (DEC)
Moline (MLI)
Marion Williamson County (MWA)

Top 6 airlines flying from Ottawa to Illinois

The chart below displays the airlines Cheapflights users travelling from Ottawa to Illinois choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Porter Airlines
C$ 227 C$ 310 No cancel fee 52%
Search Porter Airlines flights
WestJet
C$ 263 C$ 332 No cancel fee 60%
Search WestJet flights
American Airlines
C$ 197 C$ 336 No cancel fee 71%
Search American Airlines flights
Delta
C$ 148 C$ 343 No cancel fee N/A
Search Delta flights
United Airlines
C$ 275 C$ 404 No cancel fee 69%
Search United Airlines flights
Air Canada
C$ 249 C$ 426 No cancel fee 67%
Search Air Canada flights
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