Flights from Ottawa to Chicago, United States

Select sites to compare prices |
  • Select all
  • Deselect all

Find Flights


Enter your destination to continue
Enter depart date to continue
Enter return date to continue
Select at least 3 sites to continue
Select your depart date
Select your return date
Location services timed out
Enable Location Services Required!
Location services not available at this time
Use current location
Did you mean flights from Chicago to Ottawa?

Ottawa to Chicago Last modified: Jul 19, 2019 1:55 -04:00

We've scanned 48,195,047,545 round trip itineraries and found the cheapest flights to Chicago. Porter & American frequently offer the best deals to Chicago flights, or select your preferred carrier below to see the cheapest days to fly.

Wed 09-11
1 stop
Sat 09-14
1 stop
Thu 11-14
1 stop
Sun 11-17
1 stop
Major Airlines
Wed 10-02
1 stop
Wed 10-09
1 stop
Wed 09-11
1 stop
Wed 09-18
1 stop
Air Canada
Fri 08-23
1 stop
Tue 09-10
1 stop
Wed 08-14
1 stop
Wed 08-21
1 stop

How Much is a Flight from Ottawa to Chicago?

We have collected flight cost data from across the web for travel from Ottawa to Chicago, and have found the average flight price for this trip to be $339.

Where To Buy Cheap Flights from Ottawa to Chicago?

The best way to find a great deal on airfare is to search multiple sites. When you run a search on FareCompare, we search multiple sites and fare sources all at once so you don't have to - which is why we think FareCompare is the best place to find cheap tickets. Airlines can adjust prices for tickets from Ottawa to Chicago based on the day and time that you decide to book your flight. We have collected data from all airlines, and have found that Tuesdays, Wednesdays, and Saturdays are often the best days to book flights. If you'd like to learn more, read our article about the best time to buy airline tickets.

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

The chart below shows up-to-date information regarding how far in advance to book your flight from Ottawa to Chicago.

Non Stop versus Connecting
Advanced PurchaseNon StopConnecting
< 7 days $0 $557
7-14 days $0 $451
14-21 days $0 $437
21-30 days $0 $342
30-60 days $0 $296
60-90 days $0 $308
90+ days $331 $296

Cheapest Day To Fly from Ottawa to Chicago

We've examined 57,595,778,181 itinerary searches that we've seen for departures in the next 90 days and found that the cheapest day to fly from Ottawa to Chicago is Wednesday. See the chart below to compare prices for other days of the week.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday

Compare Flight Prices from Ottawa to Chicago by Month

Low priced flights are most commonly available by purchasing between one and three months in advance. International or holiday flights may need to be purchased even further in advance. The chart below shows the cheapest flight prices by month for Ottawa to Chicago flights.

Month Origin Destination Carrier Depart Date Return Date Stops Price
July Ottawa Chicago Porter 19-07-27 19-07-31 1 $518
August Ottawa Chicago Major Airlines 19-08-28 19-09-06 1 $338
September Ottawa Chicago Porter 19-09-04 19-09-08 1 $320
October Ottawa Chicago Porter 19-10-29 19-11-05 1 $320
November Ottawa Chicago Porter 19-11-15 19-11-19 1 $330
December Ottawa Chicago Porter 19-12-11 19-12-14 1 $330
January Ottawa Chicago American 20-01-15 20-01-19 1 $337
February Ottawa Chicago American 20-02-26 20-02-29 1 $337

Cheap Last Minute Flights from Ottawa to Chicago

Looking for cheap last minute flights or a weekend getaway? We've got you covered with weekend flight deals from Ottawa to Chicago. The chart below shows the best last minute deals and cheap flights this weekend we could find.

Next 30 Days

21 22 23 24 25 26 27
28 29 30 31 1 2 3
$549 $565
4 5 6 7 8 9 10
$565 $501
11 12 13 14 15 16 17
$501 $442
18 19 20 21 22 23 24
$442 $420
25 26 27 28 29 30 31

Connecting Flights vs Direct Flights from Ottawa to Chicago

Flights between some cities may be significantly cheaper if you choose a multi-stop airline ticket. Although these connecting flights sacrifice some convenience, on average, travelers save 20%-60% when they choose to fly multi-stop versus a direct flight.

The average price for connecting flights from Ottawa to Chicago is $348.

The average price for direct flights from Ottawa to Chicago is $384.

One Way Flights vs Round Trip Flights from Ottawa to Chicago

We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from Ottawa to Chicago. However, booking a round trip flight can be a simpler process. You can compare round trip and one way flights by using our flight comparison.

The average price for one way flights from Ottawa to Chicago is $202.

The average price for round trip flights from Ottawa to Chicago is $348.

Ottawa to Chicago Flight Questions

Below are some common questions that asked about this flight route:

Question: What are the most popular connecting cities when flying from Ottawa to Chicago?
Answer: Toronto, ON

Airlines in Ottawa flying to Chicago Last modified: Jul 19, 2019 1:55 -04:00Number of routes searched: 120Number of itineraries searched: 77,798

Wondering which airlines fly out of Ottawa to Chicago? We've gathered the average price of Ottawa airlines with flights to Chicago. Different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Below is the full flight schedule summary showing which days of the week individual carriers offer flights for the next 30 days.

Ottawa to Chicago
Airline Connections Mon Tue Wed Thu Fri Sat Sun
Air Canada -
United -
American PHL
Air Canada YQB
Air Canada YUL
Air Canada YVR
Air Canada YWG
Major Airlines DTW
Major Airlines LGA
Porter YTZ
United BOS
United DCA
United EWR
United IAD

Ottawa to Chicago Airports

These are the major commercial airports we're currently monitoring in Ottawa and Chicago. If your route includes a city with multiple airports, you may be able to find substantial savings by choosing an alternate airport.

Farecompare Research Tools

FareCompare's Flight Schedule Search Tool helps you find information about airline schedule filings, including flight numbers, depart times, and travel distance.

Cheap Domestic Flights from Ottawa - YOW Last modified: Jul 19, 2019 1:55 -04:00

FlightsLowest Price
Ottawa to Toronto$231

Cheap International Flights from Ottawa - YOW Last modified: Jul 19, 2019 1:55 -04:00

We are updating our Cookie Policy. FareCompare will use cookies and other tracking technologies to assist with navigation and product selection, analyze your use of our services, assist with our promotional and marketing efforts, and provide deals content from third parties.

Cheap Flights from Ottawa to Chicago