Cheap flights from Ottawa to Chicago

YOW — CHI
31 Jan — 7 Feb1
Return
1 adult
Economy
From?
To?
Tue 31/1
Tue 7/2

The best prices from Ottawa to Chicago are usually found in June or September, booked 60 days in advance, depart on a Thursday or Monday and return on a Wednesday

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 2023: compare Ottawa to Chicago flight prices with the expected peak season, weather and rainfall in Chicago.

YOW - CHI

Price

C$ 276 - C$ 542

CHI

Temperature

-5 - 23 °C

CHI

Rainfall

43 - 125 mm

Popular inFebruaryHigh demand for flights, 30% potential price rise
Cheapest inJuneBest time to find cheap flights, 27% potential price drop
Round-trip fromC$ 369From Ottawa to Chicago (CHI)
One-way fromC$ 334One-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 Wednesday can be a cost-effective option. It’s possible to save up to 33% 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 61 days before your planned departure. Booking around this time can save you about 48% on the cost of this flight compared to booking a flight leaving this week. We have found prices from C$ 515 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 February. For low rates, June can be a great choice for travel to Chicago. Flights to Chicago from Ottawa in June are about C$ 507 on average during June, but can be found for as low as C$ 298.

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

Unlike in the morning, when flights are generally more expensive, you can save up to 19% on flights from Ottawa to Chicago by exploring options for tickets at noon.

Cheap flights from Ottawa to Chicago in January, February 2023

The best prices found for YOW to CHI flights for January, February
21 Feb. - 28 Feb.
YOW

Ottawa

MDW

Chicago Midway

1 stop

4h 15m
MDW

Chicago Midway

YOW

Ottawa

1 stop

3h 39m
C$ 365

Porter Airlines

Deal found 23/1

23 Feb. - 2 Mar.
YOW

Ottawa

MDW

Chicago Midway

1 stop

3h 40m
MDW

Chicago Midway

YOW

Ottawa

1 stop

3h 59m
C$ 373

Porter Airlines

Deal found 24/1

22 Feb. - 1 Mar.
YOW

Ottawa

MDW

Chicago Midway

1 stop

5h 25m
MDW

Chicago Midway

YOW

Ottawa

1 stop

4h 29m
C$ 388

Porter Airlines

Deal found 23/1

Ottawa to Chicago 2023 flight deals

Cheap flights to Chicago from Ottawa found for this year
21 Feb. - 28 Feb.
YOW

Ottawa

MDW

Chicago Midway

1 stop

4h 15m
MDW

Chicago Midway

YOW

Ottawa

1 stop

3h 39m
C$ 365

Porter Airlines

Deal found 23/1

13 Apr. - 18 Apr.
YOW

Ottawa

MDW

Chicago Midway

1 stop

5h 47m
MDW

Chicago Midway

YOW

Ottawa

1 stop

3h 39m
C$ 370

Porter Airlines

Deal found 23/1

23 Feb. - 2 Mar.
YOW

Ottawa

MDW

Chicago Midway

1 stop

3h 40m
MDW

Chicago Midway

YOW

Ottawa

1 stop

3h 59m
C$ 373

Porter Airlines

Deal found 24/1

Cheap Air Canada flights from Ottawa to Chicago

21 Feb. - 28 Feb.
YOW

Ottawa

ORD

Chicago O'Hare Intl

1 stop

6h 06m
ORD

Chicago O'Hare Intl

YOW

Ottawa

1 stop

6h 28m
C$ 633

Air Canada

Deal found 23/1

23 Feb. - 2 Mar.
YOW

Ottawa

ORD

Chicago O'Hare Intl

1 stop

5h 41m
ORD

Chicago O'Hare Intl

YOW

Ottawa

1 stop

6h 28m
C$ 634

Air Canada

Deal found 24/1

15 Feb. - 20 Feb.
YOW

Ottawa

ORD

Chicago O'Hare Intl

1 stop

5h 49m
ORD

Chicago O'Hare Intl

YOW

Ottawa

1 stop

5h 05m
C$ 649

Air Canada

Deal found 26/1

  • If you’re travelling from Ottawa to Chicago, one of the more common airlines travelling that route is Air Canada. Flights from Air Canada travelling this route typically cost C$ 676.56 RT. This price is typically 93% cheaper than other airlines that offer Ottawa to Chicago flights. When booking this route, the cheapest RT price found was C$ 384. When travelling from Ottawa to Chicago on Air Canada, the most popular airport to depart from is Ottawa Airport and the most popular airport to arrive at is Chicago O'Hare Intl Airport. When flying from Ottawa to Chicago, Air Canada flights are 9% more popular than any other airline flying that same route.

Cheap United Airlines flights from Ottawa to Chicago

23 May - 1 Jun.
YOW

Ottawa

ORD

Chicago O'Hare Intl

Nonstop

2h 21m
ORD

Chicago O'Hare Intl

YOW

Ottawa

1 stop

6h 00m
C$ 671

United Airlines

Deal found 23/1

13 Mar. - 15 Mar.
YOW

Ottawa

ORD

Chicago O'Hare Intl

2 stops

18h 10m
ORD

Chicago O'Hare Intl

YOW

Ottawa

1 stop

13h 40m
C$ 674

United Airlines

Deal found 24/1

31 May - 7 Jun.
YOW

Ottawa

ORD

Chicago O'Hare Intl

1 stop

5h 14m
ORD

Chicago O'Hare Intl

YOW

Ottawa

1 stop

5h 11m
C$ 679

United Airlines

Deal found 25/1

  • One of the most popular airlines travelling from Ottawa to Chicago is United Airlines. Flights on this route from United Airlines typically cost C$ 426.32 RT, a price that is 158% more expensive than the average Ottawa to Chicago flight. The cheapest flight found was C$ 234 RT. Ottawa Airport is the most common Ottawa airport to take off from when flying to Chicago. Chicago O'Hare Intl Airport is the most popular arrival airport in Chicago. When flying from Ottawa to Chicago, United Airlines flights are -6% more popular than any other airline flying that same route.

Direct flights to Chicago from Ottawa

Save time with Ottawa to Chicago direct flight deals
23 May - 2 Jun.
YOW

Ottawa

ORD

Chicago O'Hare Intl

Nonstop

2h 21m
ORD

Chicago O'Hare Intl

YOW

Ottawa

Nonstop

1h 50m
C$ 671

Air Canada

Deal found 23/1

13 Apr. - 18 Apr.
YOW

Ottawa

ORD

Chicago O'Hare Intl

Nonstop

2h 20m
ORD

Chicago O'Hare Intl

YOW

Ottawa

Nonstop

2h 03m
C$ 754

Air Canada

Deal found 23/1

11 Apr. - 22 Apr.
YOW

Ottawa

ORD

Chicago O'Hare Intl

Nonstop

2h 20m
ORD

Chicago O'Hare Intl

YOW

Ottawa

Nonstop

2h 03m
C$ 760

United Airlines

Deal found 25/1

Last minute flights from Ottawa to Chicago

Late deals on round-trip flights to Chicago from Ottawa, departing today and this week
31 Jan. - 7 Feb.
YOW

Ottawa

ORD

Chicago O'Hare Intl

2 stops

39h 53m
ORD

Chicago O'Hare Intl

YOW

Ottawa

1 stop

18h 06m
C$ 479

Multiple Airlines

Deal found 24/1

31 Jan. - 7 Feb.
YOW

Ottawa

ORD

Chicago O'Hare Intl

1 stop

18h 24m
ORD

Chicago O'Hare Intl

YOW

Ottawa

1 stop

18h 06m
C$ 484

Multiple Airlines

Deal found 24/1

31 Jan. - 7 Feb.
YOW

Ottawa

MDW

Chicago Midway

1 stop

4h 15m
MDW

Chicago Midway

YOW

Ottawa

1 stop

3h 39m
C$ 659

Porter Airlines

Deal found 24/1

One-way flights to Chicago from Ottawa

The cheapest one-way flights from Ottawa to Chicago
19 Feb.
YOW

Ottawa

MDW

Chicago Midway

1 stop

5h 50m
C$ 198

Porter Airlines

Deal found 23/1

19 Feb.
YOW

Ottawa

MDW

Chicago Midway

1 stop

5h 50m
C$ 223

Porter Airlines

Deal found 25/1

21 Apr.
YOW

Ottawa

MDW

Chicago Midway

1 stop

4h 32m
C$ 246

Porter Airlines

Deal found 25/1

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. 5 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 4 outbound flights to Chicago per day.

Which airlines flying from Ottawa to Chicago 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 Chicago for under C$ 400 on Cheapflights?

Yes, there are multiple flights from Ottawa to Chicago for under C$ 400. The cheapest flight booked recently is on Porter Airlines for just C$ 370, but on average you can expect to pay C$ 494.

Are there direct flights from Ottawa to Chicago for under C$ 700 on Cheapflights?

Cheapflights has 20 direct flights from Ottawa to Chicago under C$ 700. A good price for a direct flight from Ottawa to Chicago is less than C$ 899.

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

There are currently 8+ open flights from Ottawa to Chicago within the next 7 days for less than C$ 500.

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

Currently priced at C$ 370, 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 Delta and WestJet - these airlines can fly you to your destination from C$ 550 and C$ 551, respectively. You may be able to fly from Ottawa to Chicago for 26% 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$ 198), Delta (C$ 310), and Air Canada (C$ 346).

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 Porter Airlines as they are the most popular for this route.

What are the most reliable airlines from Ottawa to Chicago?

The top 3 most reliable airlines when flying from Ottawa to Chicago are Air Canada (64%), ANA (64%) and Air New Zealand (64%).

What are the cheapest flights from Ottawa to Chicago?

Looking at all options, your cheapest flight can be booked for C$ 368. While the most popular route (Ottawa - Chicago O'Hare Intl) can be booked for C$ 479 on average our data indicates C$ 508 when flying from Ottawa to Chicago.

Other flights from Ottawa

Ottawa to Halifax
Ottawa to Winnipeg
Ottawa to Calgary
Ottawa to Abbotsford
Ottawa to Edmonton
Ottawa to Toronto

Other flights to Chicago

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Montreal to Chicago
Pearson Intl to Chicago
Québec City to Chicago
Halifax to Chicago

Flights to Chicago from Ottawa

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Flights to Chicago
Flights from Ottawa
Flights from Chicago

Rent a Car

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Top 5 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
American AirlinesCheapestC$ 264AverageC$ 449FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
Porter AirlinesCheapestC$ 288AverageC$ 368FlexibilityNo cancel feeOn-time52%COVID-19 safety
Search Porter Airlines flights
Air CanadaCheapestC$ 313AverageC$ 570FlexibilityNo cancel feeOn-time67%COVID-19 safety
Search Air Canada flights
WestJetCheapestC$ 368AverageC$ 451FlexibilityNo cancel feeOn-time60%COVID-19 safety
Search WestJet flights
United AirlinesCheapestC$ 514AverageC$ 905FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
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Hourly flight availability from Ottawa to Chicago

See what time of day planes typically take off from Ottawa to Chicago
100%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
0%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Ottawa to Chicago

See how many times per day planes take to the skies headed from Ottawa to Chicago
Sunday4daily flights
Monday4daily flights
Tuesday4daily flights
Wednesday4daily flights
Thursday4daily flights
Friday4daily flights
Saturday4daily flights
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