Cheap flights from Ottawa to Chicago

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 to Chicago

All the information you need to plan the best YOW to CHI flight in 2022: compare Ottawa to Chicago flight prices with the expected peak season, weather and rainfall in Chicago.

YOW - CHI

Price

C$ 267 - C$ 343

CHI

Temperature

-5 - 23 °C

CHI

Precipitation

43 - 125 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$ 334

From Ottawa to Chicago (CHI)

One-way from

C$ 177

One-way flight from Ottawa to Chicago (CHI)

What is the cheapest day to fly round-trip from Ottawa to Chicago?

Users have found that leaving on a Tuesday can be a cost-effective option. It’s possible to save up to 31% on your flight compared to booking on days when demand is much higher.

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

To save on the cost of your flight from Ottawa to Chicago, book at least 46 days before your planned departure. Booking around this time can save you about 63% on the cost of this flight compared to booking a flight leaving this week. We have found prices from C$ 485 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as C$ 614.

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

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, August can be a great choice for travel to Chicago. Flights to Chicago from Ottawa in August are about C$ 387 on average during August, but can be found for as low as C$ 330.

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

Unlike in the evening, when flights are generally more expensive, you can save up to 24% on flights from Ottawa to Chicago by exploring options for tickets at noon.

Cheap flights from Ottawa to Chicago in January, February 2022

The best prices found for YOW to CHI flights for January, February
11 Feb. - 14 Feb.
YOW

Ottawa

ORD

Chicago O'Hare Intl

1 stop

5h 05m
ORD

Chicago O'Hare Intl

YOW

Ottawa

2 stops

10h 56m
C$ 296

Air Canada

View Deal

Deal found 1/19/22

11 Feb. - 14 Feb.
YOW

Ottawa

ORD

Chicago O'Hare Intl

2 stops

8h 25m
ORD

Chicago O'Hare Intl

YOW

Ottawa

2 stops

10h 56m
C$ 297

Air Canada

View Deal

Deal found 1/19/22

11 Feb. - 14 Feb.
YOW

Ottawa

ORD

Chicago O'Hare Intl

1 stop

7h 35m
ORD

Chicago O'Hare Intl

YOW

Ottawa

1 stop

4h 06m
C$ 299

Air Canada

View Deal

Deal found 1/19/22

Ottawa to Chicago 2022 flight deals

Cheap flights to Chicago from Ottawa found for this year
11 Feb. - 14 Feb.
YOW

Ottawa

ORD

Chicago O'Hare Intl

1 stop

5h 05m
ORD

Chicago O'Hare Intl

YOW

Ottawa

2 stops

10h 56m
C$ 296

Air Canada

View Deal

Deal found 1/19/22

11 Feb. - 14 Feb.
YOW

Ottawa

ORD

Chicago O'Hare Intl

2 stops

8h 25m
ORD

Chicago O'Hare Intl

YOW

Ottawa

2 stops

10h 56m
C$ 297

Air Canada

View Deal

Deal found 1/19/22

11 Feb. - 14 Feb.
YOW

Ottawa

ORD

Chicago O'Hare Intl

1 stop

7h 35m
ORD

Chicago O'Hare Intl

YOW

Ottawa

1 stop

4h 06m
C$ 299

Air Canada

View Deal

Deal found 1/19/22

Direct flights to Chicago from Ottawa

Save time with Ottawa to Chicago direct flight deals
31 May - 7 Jun.
YOW

Ottawa

ORD

Chicago O'Hare Intl

Nonstop

2h 08m
ORD

Chicago O'Hare Intl

YOW

Ottawa

Nonstop

1h 52m
C$ 592

Air Canada

View Deal

Deal found 1/18/22

31 May - 11 Jun.
YOW

Ottawa

ORD

Chicago O'Hare Intl

Nonstop

2h 08m
ORD

Chicago O'Hare Intl

YOW

Ottawa

Nonstop

1h 54m
C$ 690

Air Canada

View Deal

Deal found 1/18/22

4 Jun. - 8 Jun.
YOW

Ottawa

ORD

Chicago O'Hare Intl

Nonstop

2h 11m
ORD

Chicago O'Hare Intl

YOW

Ottawa

Nonstop

1h 54m
C$ 691

United Airlines

View Deal

Deal found 1/18/22

One-way flights to Chicago All airports from Ottawa

The cheapest one-way flights from Ottawa to Chicago
29 May
YOW

Ottawa

MDW

Chicago Midway

1 stop

3h 45m
C$ 177

Porter Airlines

View Deal

Deal found 1/17/22

29 May
YOW

Ottawa

ORD

Chicago O'Hare Intl

Nonstop

2h 11m
C$ 196

Air Canada

View Deal

Deal found 1/17/22

29 May
YOW

Ottawa

ORD

Chicago O'Hare Intl

1 stop

4h 36m
C$ 202

Air Canada

View Deal

Deal found 1/17/22

Related info for your journey

Useful info, stats and facts about Ottawa to Chicago flights.

What airport do you fly from for flights from Ottawa to Chicago?

Ottawa (YOW), located 10.6 km from the city centre, is the airport you fly out of when you book flights from Ottawa to Chicago. 6 airlines have flights from Ottawa to Chicago on a regular basis. Booking flights from Ottawa to Chicago should not be difficult; the airport handles an average of 0 outbound flights to Chicago per day.

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.

Can I find flights from Ottawa to Chicago for under C$ 300 on Cheapflights?

Yes, there are multiple flights from Ottawa to Chicago for under C$ 300. The cheapest flight booked recently is on Air Canada for just C$ 296, but on average you can expect to pay C$ 352.

Are there direct flights from Ottawa to Chicago for under C$ 600 on Cheapflights?

Cheapflights has 12 direct flights from Ottawa to Chicago under C$ 600. A good price for a direct flight from Ottawa to Chicago is less than C$ 773.

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

Currently priced at C$ 296, Air Canada will fly you from Ottawa to Chicago and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Porter Airlines and Delta - these airlines can fly you to your destination from C$ 305 and C$ 427, respectively. You may be able to fly from Ottawa to Chicago for 23% less than the average price by searching for these airlines.

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

The cheapest airlines for a one-way flight from Ottawa to Chicago are Porter Airlines (C$ 177), Air Canada (C$ 196), and United Airlines (C$ 307).

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

When booking a flight from Ottawa to Chicago, 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 cheapest flights from Ottawa to Chicago?

Looking at all options, your cheapest flight can be booked for C$ 307. While the most popular route (Ottawa - Chicago O'Hare Intl) can be booked for C$ 401 on average our data indicates C$ 689 when flying from Ottawa to Chicago.

Can I fly to Chicago from Ottawa right now?

Information is based on travel restrictions from Ottawa to Chicago

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

COVID-19 testing requirements
Visitors from Ottawa must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Chicago.

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

Can I fly back to Ottawa from Chicago?

Returning to Ottawa from Chicago

COVID-19 testing requirements
Visitors from Chicago must present a negative RT-PCR (NAAT) test taken 72 hours before departing to Ottawa.

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

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.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Delta
CheapestC$ 185
AverageC$ 429
FlexibilityNo cancel fee
On-timeN/A
COVID-19 safety
American Airlines
CheapestC$ 246
AverageC$ 420
FlexibilityNo cancel fee
On-time71%
COVID-19 safety
Porter Airlines
CheapestC$ 284
AverageC$ 387
FlexibilityNo cancel fee
On-time52%
COVID-19 safety
Air Canada
CheapestC$ 311
AverageC$ 532
FlexibilityNo cancel fee
On-time67%
COVID-19 safety
WestJet
CheapestC$ 329
AverageC$ 415
FlexibilityNo cancel fee
On-time60%
COVID-19 safety
United Airlines
CheapestC$ 343
AverageC$ 505
FlexibilityNo cancel fee
On-time69%
COVID-19 safety