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?

Users have found that booking a flight from Ottawa to Illinois at least 46 days early can save you up to 63% on average compared to booking a flight this week. If booking 46 days before your flight isn’t an option for you, users have found flights from Ottawa to Illinois for as little as C$ 479 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$ 606 for flights departing within the next 3 days.

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.

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

August is one of the best times of the year to fly to Illinois from Ottawa. Prices for August average C$ 382 per person but you can even find prices for as low as C$ 326. The most expensive prices can be found in the month of December. Opting for a August flight can save you 10% on your journey compared to booking in August

Cheap flights from Ottawa to Illinois in October, November 2021

The best prices found for YOW to Illinois flights for October, November
12 Nov - 15 Nov
C$ 289pp
YOW
Ottawa
Porter Airlines
 
1 STOP
MDW
Chicago Midway
MDW
Chicago Midway
Porter Airlines
 
1 STOP
YOW
Ottawa
18 Nov - 21 Nov
C$ 305pp
YOW
Ottawa
Porter Airlines
 
1 STOP
MDW
Chicago Midway
MDW
Chicago Midway
Porter Airlines
 
1 STOP
YOW
Ottawa
12 Nov - 15 Nov
C$ 306pp
YOW
Ottawa
Porter Airlines
 
1 STOP
MDW
Chicago Midway
MDW
Chicago Midway
Porter Airlines
 
1 STOP
YOW
Ottawa

Ottawa to Illinois 2021 flight deals

Cheap flights to Illinois from Ottawa found for this year
12 Nov - 15 Nov
C$ 289pp
YOW
Ottawa
Porter Airlines
 
1 STOP
MDW
Chicago Midway
MDW
Chicago Midway
Porter Airlines
 
1 STOP
YOW
Ottawa
18 Nov - 21 Nov
C$ 305pp
YOW
Ottawa
Porter Airlines
 
1 STOP
MDW
Chicago Midway
MDW
Chicago Midway
Porter Airlines
 
1 STOP
YOW
Ottawa
12 Nov - 15 Nov
C$ 306pp
YOW
Ottawa
Porter Airlines
 
1 STOP
MDW
Chicago Midway
MDW
Chicago Midway
Porter Airlines
 
1 STOP
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 Oct - 31 Oct
C$ 470pp
YOW
Ottawa
Multiple Airlines
     
3 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
YOW
Ottawa
28 Oct - 31 Oct
C$ 551pp
YOW
Ottawa
Multiple Airlines
     
3 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
YOW
Ottawa
28 Oct - 30 Nov
C$ 561pp
YOW
Ottawa
Multiple Airlines
     
3 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Multiple Airlines
     
3 STOPS
YOW
Ottawa

One-way flights to Illinois from Ottawa

The cheapest one-way flights from Ottawa to Illinois
5:25 a.m. - 8:05 a.m.
Porter Airlines
1 stop
3h 40m
YOW - MDW
Porter Airlines
C$ 270
4:45 a.m. - 9:19 a.m.
United Airlines
2 stops
29h 34m
YOW - ORD
United Airlines
C$ 596
United
8:45 a.m. - 6:02 a.m.
WestJet
2 stops
22h 17m
YOW - MDW
WestJet
C$ 629
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?

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$ 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$ 289, but on average you can expect to pay C$ 397.

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$ 189. However, be on the lookout for offers from Air Canada and Delta, 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 cheapest flights from Ottawa to Illinois?

Looking for the cheapest flight from Ottawa to Illinois? While on average our users pay C$ 339, our data indicates the cheapest price to be C$ 182. The most popular route (Ottawa - Chicago O'Hare Intl), is priced around C$ 422.

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.

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 must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to 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) test taken 72 hours 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.

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 = $0.82

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
Delta
C$ 183 C$ 423 No cancel fee N/A
Search Delta flights
American Airlines
C$ 243 C$ 414 No cancel fee 71%
Search American Airlines flights
Porter Airlines
C$ 280 C$ 382 No cancel fee 52%
Search Porter Airlines flights
Air Canada
C$ 307 C$ 525 No cancel fee 67%
Search Air Canada flights
WestJet
C$ 325 C$ 410 No cancel fee 60%
Search WestJet flights
United Airlines
C$ 339 C$ 499 No cancel fee 69%
Search United Airlines flights
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