
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $243 (Booking.com) |
One-way from | $127 (Kiwi.com) |
Popular in | November |
Cheapest in | March |
Average price | $349 |
Good round-trip deal | $630 or less |
Good one-way deal | $354 or less |
Fly from
Fly to
Route
Depart
Return
Price
ChicagoOttawa
ORD - YOW
ORDYOW
Chicago O'Hare Intl
Sun 1/25
12:44 pm-5:13 pm
1 stop27h 29m
Ottawa
Sun 2/1
4:15 pm-11:22 am
1 stop20h 07m
ChicagoOttawa
ORD - YOW
ORDYOW
Chicago O'Hare Intl
Fri 1/23
7:21 pm-2:58 pm
1 stop18h 37m
Ottawa
Sun 1/25
3:55 pm-10:42 pm
1 stop7h 47m
ChicagoOttawa
ORD - YOW
ORDYOW
Chicago O'Hare Intl
Tue 1/6
12:09 pm-12:25 am
3 stops35h 16m
Ottawa
Sun 1/11
4:20 pm-9:03 pm
3 stops29h 43m
ChicagoOttawa
ORD - YOW
ORDYOW
Chicago O'Hare Intl
Thu 1/8
12:48 pm-12:25 am
1 stop10h 37m
Ottawa
Thu 1/15
4:35 pm-10:42 pm
2 stops31h 07m
ChicagoOttawa
ORD - YOW
ORDYOW
Chicago O'Hare Intl
Thu 1/15
1:13 pm-12:25 am
1 stop10h 12m
Ottawa
Sun 1/18
9:30 am-5:52 pm
1 stop9h 22m
ChicagoOttawa
ORD - YOW
ORDYOW
Chicago O'Hare Intl
Fri 1/30
2:20 pm-2:17 pm
1 stop22h 57m
Ottawa
Sun 2/1
3:55 pm-10:42 pm
1 stop7h 47m
ChicagoOttawa
ORD - YOW
ORDYOW
Chicago O'Hare Intl
Fri 1/9
7:21 pm-2:58 pm
1 stop18h 37m
Ottawa
Sun 1/11
12:10 pm-10:42 pm
2 stops11h 32m
ChicagoOttawa
ORD - YOW
ORDYOW
Chicago O'Hare Intl
Thu 12/25
5:25 am-11:58 pm
2 stops41h 33m
Ottawa
Thu 1/8
7:00 am-8:30 pm
1 stop14h 30m
ChicagoOttawa
ORD - YOW
ORDYOW
Chicago O'Hare Intl
Thu 12/25
9:34 am-12:35 pm
1 stop26h 01m
Ottawa
Fri 1/9
3:55 pm-10:42 pm
1 stop7h 47m
ChicagoOttawa
ORD - YOW
ORDYOW
Chicago O'Hare Intl
Thu 1/15
1:13 pm-12:25 am
1 stop10h 12m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars |
Currently, April is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Ottawa (average of $103). Flying from Chicago O'Hare Intl Airport to Ottawa in July is currently the most expensive (average of $236). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
It’s typically best to fly out from Chicago O'Hare Intl Airport to Ottawa at noon. Doing so could potentially save you 11% on the flight price compared to flying in the evening, which is usually more expensive.
About 11% of weekly flights between Chicago and Ottawa have experienced delays in the past year, with the average delay time being 136 minutes.
Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.
Friday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Over the last year, United Airlines have had the lowest number of delays on this route, with just 11% of flights being delayed.
Entertainment
Food
Boarding
Comfort
Crew
Overall
Reviews
Sunderesh,Dec 2025
AUS - EWR
Entertainment
Food
Boarding
Comfort
Crew
Overall
Reviews
Sunderesh,Dec 2025
AUS - EWR
Entertainment
Food
Boarding
Comfort
Crew
Overall
Reviews
Sunderesh,Dec 2025
AUS - EWR
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$189 | Average$300 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$236 | Average$545 | FlexibilityNo cancel fee | On-time69% |