Cheap flights from Ottawa to Chicago

Round-trip
Economy
Ottawa (YOW)
Chicago (CHI)
Depart
Return
Any month
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The best prices from Ottawa to Chicago are usually found in August or June, booked 49 days in advance, depart on a Wednesday or Thursday and return on a Thursday

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

All the information you need to plan the best YOW to CHI flight in 2021: compare Ottawa to Chicago flight prices with the expected peak season, weather and rainfall in Chicago.
YOW - CHI
Price
C$ 335 - C$ 431
CHI
Temperature
1 - 29 °C
CHI
Rainfall
17 - 109 mm

Popular in

December

High demand for flights, 10% potential price rise

Cheapest in

August

Best time to find cheap flights, 14% potential price drop

Round-trip from

C$ 335

From Ottawa to Chicago

One-way from

C$ 302

One-way flight from Ottawa to Chicago

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Ottawa to Chicago?

Flying to your destination on a Monday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Chicago. Check prices with Cheapflights to find a great deal for your trip.

How far in advance should I book a flight from Ottawa to Chicago?

To save up to 86% on this flight, we recommend booking at least 34 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Ottawa to Chicago from C$ 436 1-2 weeks out and tickets from C$ 591 for flights departing within the next 72 hours.

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

Our data shows that April tends to be the cheapest month to fly to Chicago from Ottawa. Users have commonly found prices around C$ 317 for the month, but tickets can be as low as C$ 240. Due to multiple factors, prepare for potentially higher prices in January.

When is the cheapest time to fly from Ottawa to Chicago (YOW - CHI)?

When flying from Ottawa to Chicago, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 24% versus a flight in the evening.

Cheap flights from Ottawa to Chicago in April, May 2021

The best prices found for YOW to CHI flights for April, May
28 Apr - 2 May
C$ 564pp
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$ 582pp
YOW
Ottawa
Multiple Airlines
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Air Canada
 
1 STOP
YOW
Ottawa
16 Apr - 23 Apr
C$ 849pp
YOW
Ottawa
Air Canada
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Air Canada
 
1 STOP
YOW
Ottawa

Ottawa to Chicago 2021 flight deals

Cheap flights to Chicago from Ottawa found for this year
30 Jun - 14 Jul
C$ 402pp
YOW
Ottawa
Porter Airlines
 
1 STOP
MDW
Chicago Midway
MDW
Chicago Midway
Porter Airlines
 
1 STOP
YOW
Ottawa
23 Sep - 27 Sep
C$ 403pp
YOW
Ottawa
Porter Airlines
 
1 STOP
MDW
Chicago Midway
MDW
Chicago Midway
Porter Airlines
 
1 STOP
YOW
Ottawa
7 Jun - 14 Jun
C$ 418pp
YOW
Ottawa
Air Canada
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Air Canada
   
2 STOPS
YOW
Ottawa

Direct flights to Chicago from Ottawa

Save time with Ottawa to Chicago direct flight deals
23 Sep - 27 Sep
C$ 422pp
YOW
Ottawa
ANA
Direct
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
ANA
Direct
YOW
Ottawa
30 Jun - 14 Jul
C$ 431pp
YOW
Ottawa
Air Canada
Direct
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Air Canada
Direct
YOW
Ottawa
7 Jun - 14 Jun
C$ 432pp
YOW
Ottawa
Air Canada
Direct
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Air Canada
Direct
YOW
Ottawa

One-way flights to Chicago from Ottawa

The cheapest one-way flights from Ottawa to Chicago
2:25 a.m. - 5:48 a.m.
Air Canada
1 stop
4h 23m
YOW - ORD
Air Canada
C$ 302
Air Canada
12:20 p.m. - 3:47 a.m.
Air Canada
2 stops
16h 27m
YOW - ORD
Air Canada
C$ 321
Air Canada

Related info for your journey

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

Flight FAQs

From Ottawa to Chicago

Can I find flights from Ottawa to Chicago for under C$ 503 on Cheapflights?

Yes, there are multiple flights from Ottawa to Chicago for under C$ 503. The cheapest flight booked recently is on Porter Airlines for just C$ 402, but on average you can expect to pay C$ 521.

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

Airlines globally have implemented additional safety measures to accommodate you. Delta is one of them. New policies for travellers booking flights from Ottawa to Chicago 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 Chicago 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.

Are there direct flights from Ottawa to Chicago for under C$ 503 on Cheapflights?

Cheapflights has 4 direct flights from Ottawa to Chicago under C$ 503. A good price for a direct flight from Ottawa to Chicago is less than C$ 430.

Is Ottawa weather warmer or cooler than Chicago?

You can imagine temperatures to be in the 29 °C range in July. The weather in Chicago is generally hotter than Ottawa's. As flight availability is subject to become more limited as peak season approaches it is ideal to book in a timely manner.

How long is the flight from Ottawa to Chicago?

There are many flights that can get you from Ottawa to Chicago in 2h 18m. Fly via ANA, Air Canada, or United Airlines to get the fastest option. All flights are typically direct.

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

Currently priced at C$ 403, Porter Airlines will fly you from Ottawa to Chicago and back. In addition to Porter Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from ANA and Air Canada - these airlines can fly you to your destination from C$ 423 and C$ 433, respectively.

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

C$ 302 is the cheapest one-way deal found within the past few days, from Air Canada.

Destination information for Chicago

Things to know before you go - useful duration and weather info for your trip from Ottawa to Chicago.
Today's exchange rate
C$ 1 = $0.80
Flight duration
2h 09m
Average temperature for April in Chicago
17.0 °C
Avg rainfall for April in Chicago
58.0 mm

Airports servicing Ottawa

Airports servicing Chicago

Chicago Midway (MDW)
Rockford (RFD)

Top 6 airlines flying from Ottawa to Chicago

The chart below displays the airlines Cheapflights users travelling from Ottawa to Chicago 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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