Ottawa (YOW) → Chicago (ORD)
About Ottawa to Chicago Flights
Discover the best flights from Ottawa to Chicago, covering 1,051 km in approximately 1h 49m. Ottawa (YOW) to Chicago (ORD) is one of the busy short-haul routes connecting Canada and United States. With 7 major airlines operating this route including direct flights, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from Ottawa to Chicago.
12-Month Price History
Flight prices from Ottawa to Chicago vary significantly throughout the year. February typically offers the best deals with average prices around $287, while July sees the highest prices, averaging $477. Savvy travelers can save up to 40% by choosing their travel dates wisely.
Best Time to Fly
Cheapest Month
February
Save up to 40% on average
Most Expensive
July
Peak season pricing
Book in Advance
135 days
For best prices
Booking Tips
For the best prices on Ottawa to Chicago flights, we recommend booking 160 days in advance. International flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.
Airlines Serving This Route
| Airline | Economy | Business | First |
|---|---|---|---|
American Airlines AA | $350 | $1380 | $2190 |
Delta Air Lines DL | $370 | $1220 | $2210 |
Porter Airlines PD | $370 | $1360 | $2370 |
British Airways BA | $380 | $1540 | $2360 |
Kalitta Air K4 | $440 | $1570 | $2100 |
United Airlines UA | $440 | $1250 | $2040 |
SkyWest Airlines OO | $450 | $1430 | $2240 |
American Airlines
AA
Economy
$350
Business
$1380
First
$2190
Delta Air Lines
DL
Economy
$370
Business
$1220
First
$2210
Porter Airlines
PD
Economy
$370
Business
$1360
First
$2370
British Airways
BA
Economy
$380
Business
$1540
First
$2360
Kalitta Air
K4
Economy
$440
Business
$1570
First
$2100
United Airlines
UA
Economy
$440
Business
$1250
First
$2040
SkyWest Airlines
OO
Economy
$450
Business
$1430
First
$2240
Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.
Alternative Flight Options
Montreal → Chicago
Montréal–Pierre Elliott Trudeau International (YUL) to O'Hare International (ORD)
Distance: 1,201 km
Average price: $364
Montreal → Chicago
Montréal–Trudeau (YUL) to O'Hare International (ORD)
Distance: 1,201 km
Average price: $364
Ottawa → Milwaukee
Ottawa Macdonald–Cartier International (YOW) to Milwaukee Mitchell International (MKE)
Distance: 1,010 km
Average price: $327
Ottawa → Chicago
Ottawa Macdonald–Cartier International (YOW) to Chicago Midway International (MDW)
Distance: 1,049 km
Average price: $335
Don't Forget Travel Insurance!
Found your flight? Protect your trip with SafetyWing's comprehensive travel insurance. Perfect for trips to Chicago, United States.
- Medical coverage up to $250,000
- Trip interruption & delays covered
- Lost luggage protection included
From just $45/month • Works in 180+ countries • COVID-19 coverage included
Trusted by 100,000+ travelers
Frequently Asked Questions
How long is the flight from Ottawa to Chicago?
The flight time from Ottawa (YOW) to Chicago (ORD) is approximately 1 hours and 49 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.
What is the distance between Ottawa and Chicago?
The aerial distance between Ottawa and Chicago is 1,051 kilometers (653 miles). This is the straight-line distance, which is used to calculate flight times.
Which airlines fly from Ottawa to Chicago?
Several airlines operate flights between Ottawa and Chicago, including American Airlines, United Airlines, Porter Airlines and 4 more airlines. Direct flights are available on this route.
What is the cheapest month to fly from Ottawa to Chicago?
Based on historical data, February typically offers the lowest airfares for flights from Ottawa to Chicago. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.
How far in advance should I book my flight to Chicago?
For the best prices on Ottawa to Chicago flights, we recommend booking 70 days in advance. International flights generally require earlier booking than domestic routes.
Do I need a visa to travel from Ottawa to Chicago?
Visa requirements depend on your nationality and the purpose of your visit. Citizens of Canada traveling to United States should check the latest visa requirements. Visit our partner site visarequirements.io for detailed visa information.
What is the time difference between Ottawa and Chicago?
Ottawa operates on America/Toronto time zone, while Chicago is in the America/Chicago time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.