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 2022: compare Ottawa to Illinois flight prices with the expected peak season, weather and rainfall in Illinois.
What is the cheapest month to fly from Ottawa to Illinois?

June is one of the best times of the year to fly to Illinois from Ottawa. Prices for June average C$ 507 per person but you can even find prices for as low as C$ 286. The most expensive prices can be found in the month of February. Opting for a June flight can save you 37% on your journey compared to booking in February

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.

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 59 days early can save you up to 80% on average compared to booking a flight this week. If booking 59 days before your flight isn’t an option for you, users have found flights from Ottawa to Illinois for as little as C$ 579 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$ 765 for flights departing within the next 3 days.

Cheap flights from Ottawa to Illinois in August, September 2022

The best prices found for YOW to Illinois flights for August, September
6 Sep - 8 Sep
C$ 296pp
YOW
Ottawa
Porter Airlines
 
1 STOP
MDW
Chicago Midway
MDW
Chicago Midway
Porter Airlines
 
1 STOP
YOW
Ottawa
6 Sep - 8 Sep
C$ 302pp
YOW
Ottawa
Porter Airlines
 
1 STOP
MDW
Chicago Midway
MDW
Chicago Midway
Porter Airlines
 
1 STOP
YOW
Ottawa
9 Sep - 11 Sep
C$ 303pp
YOW
Ottawa
Porter Airlines
 
1 STOP
MDW
Chicago Midway
MDW
Chicago Midway
Porter Airlines
 
1 STOP
YOW
Ottawa

Ottawa to Illinois 2022 flight deals

Cheap flights to Illinois from Ottawa found for this year
6 Sep - 8 Sep
C$ 296pp
YOW
Ottawa
Porter Airlines
 
1 STOP
MDW
Chicago Midway
MDW
Chicago Midway
Porter Airlines
 
1 STOP
YOW
Ottawa
6 Sep - 8 Sep
C$ 302pp
YOW
Ottawa
Porter Airlines
 
1 STOP
MDW
Chicago Midway
MDW
Chicago Midway
Porter Airlines
 
1 STOP
YOW
Ottawa
19 Oct - 22 Oct
C$ 303pp
YOW
Ottawa
Porter Airlines
 
1 STOP
MDW
Chicago Midway
MDW
Chicago Midway
Porter Airlines
 
1 STOP
YOW
Ottawa

Cheap Delta flights from Ottawa to Illinois

6 Sep - 8 Sep
C$ 366pp
YOW
Ottawa
Delta
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Delta
 
1 STOP
YOW
Ottawa
2 Sep - 10 Sep
C$ 385pp
YOW
Ottawa
Delta
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Delta
 
1 STOP
YOW
Ottawa
26 Aug - 29 Aug
C$ 400pp
YOW
Ottawa
Delta
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Delta
   
2 STOPS
YOW
Ottawa

Cheap Air Canada flights from Ottawa to Illinois

25 Oct - 28 Oct
C$ 321pp
YOW
Ottawa
Air Canada
Direct
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Air Canada
Direct
YOW
Ottawa
6 Sep - 8 Sep
C$ 322pp
YOW
Ottawa
Air Canada
Direct
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Air Canada
Direct
YOW
Ottawa
9 Sep - 11 Sep
C$ 326pp
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
25 Oct - 28 Oct
C$ 321pp
YOW
Ottawa
Air Canada
Direct
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Air Canada
Direct
YOW
Ottawa
6 Sep - 8 Sep
C$ 322pp
YOW
Ottawa
Air Canada
Direct
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Air Canada
Direct
YOW
Ottawa
18 Oct - 23 Oct
C$ 345pp
YOW
Ottawa
Air Canada
Direct
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Air Canada
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
21 Aug - 3 Sep
C$ 408pp
YOW
Ottawa
Porter Airlines
 
1 STOP
MDW
Chicago Midway
MDW
Chicago Midway
Porter Airlines
 
1 STOP
YOW
Ottawa
16 Aug - 31 Aug
C$ 413pp
YOW
Ottawa
Porter Airlines
 
1 STOP
MDW
Chicago Midway
MDW
Chicago Midway
Porter Airlines
 
1 STOP
YOW
Ottawa
16 Aug - 22 Aug
C$ 422pp
YOW
Ottawa
Porter Airlines
 
1 STOP
MDW
Chicago Midway
MDW
Chicago Midway
Porter Airlines
 
1 STOP
YOW
Ottawa

One-way flights to Illinois from Ottawa

The cheapest one-way flights from Ottawa to Illinois
9:45 a.m. - 7:27 p.m.
Delta
2 stops
10h 42m
YOW - ORD
Delta
C$ 239
Delta
4:45 a.m. - 7:22 a.m.
Porter Airlines
1 stop
3h 37m
YOW - MDW
Porter Airlines
C$ 259
Kiwi.com
12:45 p.m. - 12:26 p.m.
WestJet
1 stop
24h 41m
YOW - ORD
WestJet
C$ 272
WestJet

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 centre.

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

Air Canada, Porter Airlines, and American 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$ 300 on Cheapflights?

Yes, there are multiple flights from Ottawa to Illinois for under C$ 300. The cheapest flight booked recently is on Porter Airlines for just C$ 296, but on average you can expect to pay C$ 320.

Are there direct flights from Ottawa to Illinois for under C$ 400 on Cheapflights?

Cheapflights has 20 direct flights from Ottawa to Illinois under C$ 400. A good price for a direct flight from Ottawa to Illinois is less than C$ 619.

Are there last-minute flights available from Ottawa to Illinois for under C$ 500?

There are currently 20+ open flights from Ottawa to Illinois within the next 7 days for less than C$ 500.

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$ 176. 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 cheapest flights from Ottawa to Illinois?

Looking for the cheapest flight from Ottawa to Illinois? While on average our users pay C$ 290, our data indicates the cheapest price to be C$ 144. The most popular route (Ottawa - Chicago O'Hare Intl), is priced around C$ 359.

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

When booking a flight from Ottawa to Illinois, you may want to consider flying on American Airlines, Air Canada or Delta as they are the most popular for this route.

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: United Airlines (92%), Air Wisconsin (92%), ANA( 90%).

COVID Restrictions

View COVID Travel Restrictions for Illinois (IL)

Do I need a COVID test to fly to Illinois from Ottawa?

Information is based on travel restrictions from Ottawa to Illinois

Most visitors from Ottawa need to provide a negative COVID-19 test result and/or quarantine to enter Illinois.

COVID-19 testing requirements
Visitors from Ottawa are not required to present a negative COVID-19 PCR test or antigen result upon entering Illinois.

Quarantine requirements
Visitors from Ottawa are not required to quarantine after entering Illinois.

Do I need a test to fly back to Ottawa from Illinois?

Returning to Ottawa from Illinois

COVID-19 testing requirements
Visitors from Illinois must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Ottawa.

Quarantine requirements
Visitors from Illinois are not required to quarantine after entering Ottawa.

Hide COVID Travel Restrictions for Illinois (IL)

Destination points for flights from Ottawa to Illinois

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

Top 5 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
Delta
C$ 190 C$ 441 No cancel fee N/A
Search Delta flights
American Airlines
C$ 253 C$ 431 No cancel fee 71%
Search American Airlines flights
Porter Airlines
C$ 268 C$ 377 No cancel fee 52%
Search Porter Airlines flights
Air Canada
C$ 300 C$ 531 No cancel fee 67%
Search Air Canada flights
United Airlines
C$ 457 C$ 797 No cancel fee 69%
Search United Airlines flights
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