Cheap flights from Ottawa, Canada to Chicago, IL

Flights starting at CA$172. Choose between Spirit Airlines, Porter Airlines, or Frontier Airlines to find the best price.

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Tips to know when travelling to Chicago

Book your trip to arrive at O Hare International, Chicago Midway International, or Chicago Rockford International. The distance between Ottawa and Chicago is 1052 km. The most popular airlines for this route are Spirit Airlines, Porter Airlines, Frontier Airlines, United Airlines, and Flair Airlines. Ottawa and Chicago have 204 direct flights per week.

Weekly direct flights

Discover the top airlines offering direct flights from Ottawa to Chicago in the next month. You’ll find the number of daily direct flights per airline in the table.

Weekly direct flights for Sun 25.02 - Sat 02.03

AirlineSun 25.02Mon 26.02Tue 27.02Wed 28.02Thu 29.02Fri 01.03Sat 02.03
4222212
---------------------

Weekly direct flights for Sun 03.03 - Sat 09.03

AirlineSun 03.03Mon 04.03Tue 05.03Wed 06.03Thu 07.03Fri 08.03Sat 09.03
3222222
---------------2---

Weekly direct flights for Sun 10.03 - Sat 16.03

AirlineSun 10.03Mon 11.03Tue 12.03Wed 13.03Thu 14.03Fri 15.03Sat 16.03
2222222
---------------------

Weekly direct flights for Sun 17.03 - Sat 23.03

AirlineSun 17.03Mon 18.03Tue 19.03Wed 20.03Thu 21.03Fri 22.03Sat 23.03
2222222
---------------------

Check-in for a flight from Ottawa to Chicago

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
Spirit AirlinesNKSNKNoOpens 24 days before flight
Closes 1 hours before flight
Porter AirlinesPOEPDYes0
0
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
United AirlinesUALUAYesNo
Flair AirlinesFLEF8YesOpens 24 days before flight
Closes 1 hours before flight

Weather in Chicago

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January0°C-6°C
February0°C-5°C
March5°C0°C
April10°C4°C
May17°C10°C
June22°C16°C
July25°C20°C
August25°C19°C
September22°C16°C
October15°C10°C
November8°C3°C
December2°C-1°C
Hottest Month
25°C
July
Coldest month
-6°C
January
Sunny days
253
days per year
Snow days
17
days per year

14 day forecast

Thursday
29 Feb
5°C-3°C
7 Mar
6°C3°C
Friday
1 Mar
89%
5°C1°C
8 Mar
77%
3°C2°C
Saturday
2 Mar
12°C3°C
9 Mar
5°C2°C
Sunday
3 Mar
17°C8°C
10 Mar
7°C2°C
Monday
4 Mar
18°C12°C
11 Mar
11°C4°C
Tuesday
5 Mar
80%
13°C6°C
12 Mar
15°C7°C
Wednesday
6 Mar
4°C0°C
13 Mar
17°C9°C

Frequently asked questions

How long does it take to travel from Ottawa to Chicago?
What is the flight distance between Ottawa and Chicago?
What airlines offer nonstop (direct) flights between Ottawa and Chicago?
What are the most popular routes to and from Ottawa?
What are the most popular routes to and from Chicago?
Which airports are there in Ottawa?
What airports are near Ottawa?
What airports are near Chicago?
Is it possible to combine flights, buses, and trains in one itinerary when traveling between Ottawa and Chicago?
What is Virtual Interlining and how do I use it?
Which airlines fly between Ottawa and Chicago?
When's the best time to travel between Ottawa and Chicago?
What flights operate between Ottawa and Chicago?
How many airports are there near Ottawa?
How many airports are there near Chicago?
What time do nonstop (direct) flights between Ottawa and Chicago depart?
What time do nonstop (direct) flights between Ottawa and Chicago arrive?
What time do flights between Ottawa and Chicago depart?
What time do flights between Ottawa and Chicago arrive?

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