$211 Find Cheap Flights from Ottawa to Chicago O'Hare Airport - Compare and Save

These are the earliest and latest flight times available from Ottawa to Chicago O'Hare Intl Airport:

• Earliest: departs at 6:15 am and lands at 9:01 am
• Latest: departs at 4:46 pm and lands at 7:32 pm.

The flight takes about 2h 46m.

Three cabin classes are available on flights from Ottawa to Chicago O'Hare Intl Airport:

• Economy Class
• Business Class
• First Class

A nonstop flight from Ottawa to Chicago O'Hare Intl Airport takes 2h 46m, covering 653 miles.

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.

Round-trip flights from Ottawa to Chicago O'Hare Intl Airport range from $576 to $804, with an average of $673 over the past 12 months. Anything below $576 counts as a good deal.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $352 round-trip via Fort Lauderdale (FLL), compared to $715 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $25–$69 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Embraer 175 (Enhanced Winglets) family is used most often on this route, operated mainly by Air Canada and United Airlines. Other aircraft seen on the route include Airbus A319 variants.

Morning is the busiest departure period on Ottawa to Chicago O'Hare Intl Airport flights, with 50% of flights leaving in that window. Afternoon departures account for 50%, evening flights for 0%, and night flights for 0%.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $367 to $1,535. That means the highest observed fare was about 4x higher than the lowest one.

One-way fares from Ottawa to Chicago O'Hare Intl Airport are currently lower than usual. Average one-way flight prices are about $324, which is 13% below the typical average for this route.

Chicago O'Hare Intl Airport (ORD) hosts 5 major car rental companies, with daily rates averaging $64 for economy cars. Top options include:

• Routes Car & Truck Rentals
• Europcar
• Hertz
• Ace
• Dollar

Flights from Ottawa to Chicago O'Hare Intl Airport usually depart from Ottawa (YOW) and arrive at Chicago O'Hare Intl (ORD).

One-stop flights from Ottawa to Chicago O'Hare Intl Airport most commonly connect through:

• Toronto Pearson Intl (YYZ) - 54% of one-stop connections
• Toronto Island (YTZ) - 41% of one-stop connections
• Fort Lauderdale (FLL) - 3% of one-stop connections
• Calgary (YYC) - 3% of one-stop connections

Yes. Flexible dates can save you up to 26% on flights from Ottawa to Chicago O'Hare Intl Airport. Sunday is the cheapest departure day at $615 round-trip on average, while Monday is the most expensive at $822, a difference of $207.

Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

Only United Airlines operates flights between Ottawa and Chicago O'Hare Intl Airport.

Flying via Toronto Island (YTZ) gives the shortest average 1-stop total travel time at 4h 28m, compared with 6h 10m via Toronto Pearson Intl (YYZ) and 10h 42m via Calgary (YYC).

Chicago O'Hare Intl Airport is 1 hour behind Ottawa (Central Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in Chicago O'Hare Intl Airport are Magnificent Mile, Grant Park and Soldier Field. These are among the most viewed places in Chicago O'Hare Intl Airport on KAYAK.

Among airlines operating Ottawa to Chicago O'Hare Intl Airport flights:

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

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

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

• Air Canada: a cabin bag and a checked bag in Economy Class
• United Airlines: a cabin bag and a checked bag in Economy Class
• ANA: a cabin bag and a checked bag in First Class

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