C$ 201 Find Cheap Flights from Chicago to Ottawa – Compare and Save

Among airlines operating Chicago to Ottawa flights:

• United Airlines: offers extra legroom; offers free seat selection
• Air Canada: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Only United Airlines operates flights between Chicago and Ottawa.

Flights from Chicago to Ottawa may depart from several airports in Chicago area, including Chicago Midway (MDW), Chicago O'Hare Intl (ORD) and Chicago Greater Rockford (RFD). Flights usually arrive at Ottawa (YOW).

Here are some options for this route, based on selected ticket types and cabin classes:

• United Airlines: a carry-on bag and a checked bag in Economy Class
• Air Canada: a carry-on bag and a checked bag in Economy Class
• Emirates: a carry-on bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.

Two cabin classes are available on flights from Chicago to Ottawa:

• Economy Class
• First Class

On this route, layover flights are cheaper than direct options on average. Layover fares average C$ 502 round-trip via Fort Lauderdale (FLL), compared to C$ 1,002 for direct.

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge C$ 55–C$ 95 for the first checked bag in economy. Premium fares and elite status bookings typically include a free checked bag.

One-stop flights from Chicago to Ottawa most commonly connect through:

• Toronto Island (YTZ) – 79% of one-stop connections
• Toronto Pearson Intl (YYZ) – 17% of one-stop connections
• Calgary (YYC) – 3% of one-stop connections
• Fort Lauderdale (FLL) – 1% of one-stop connections

Toronto Island (YTZ) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 38% on the Chicago to Ottawa route. Thursday is the cheapest departure day at C$ 655 round-trip on average, while Monday is the most expensive at C$ 1,049, a difference of C$ 394. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Chicago to Ottawa route, 17% of flights were delayed in the past 3 months, with delays averaging 2 hours 22 minutes.

Morning is the busiest departure period on Chicago to Ottawa flights, with 34% leaving in that window. Afternoon departures account for 33%, Evening flights for 33%, and Night flights for 0%.

Some of the most popular sights in Ottawa are Downtown Ottawa, Parliament Hill, and University of Ottawa. These are among the most viewed places in Ottawa on KAYAK.

These are the earliest and latest flight times available from Chicago to Ottawa:

• Earliest: departs at 10:40 am and lands at 12:57 pm
• Latest: departs at 6:21 pm and lands at 8:38 pm.

The flight takes about 2h 17m.

A direct flight from Chicago to Ottawa takes 2h 17m, covering 1,665 km.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about C$ 473 to C$ 2,555. That means the highest observed fare was about 5x higher than the lowest one.

One-way fares from Chicago to Ottawa are currently lower than usual. Average one-way flight prices are about C$ 231, which is 53% below the typical average for this route.

United Airlines is the only airline operating Chicago to Ottawa flights. 83% of its flights are on time.

Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Flying via Toronto Island (YTZ) gives the shortest average 1-stop total travel time at 5h 05m, compared with 6h 14m via Toronto Pearson Intl (YYZ) and 15h 11m via Calgary (YYC).

Ottawa is 1 hour ahead of Chicago (Eastern Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

Ottawa Airport (YOW) hosts 5 major car rental companies, with daily rates starting from around C$ 17 for economy cars. Top options include:
· Routes Car & Truck Rentals
· Europcar
· Alamo
· Budget
· Enterprise Rent-A-Car

Round-trip flights from Chicago to Ottawa range from C$ 642 to C$ 1,150, with an average of C$ 929 over the past 12 months. Anything below C$ 642 counts as a good deal.