Cheap flights from Ottawa to Chicago from $0
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Discover deals on Ottawa to Chicago flights
Typical range $0–$0•Cheapest found $0
Checking latest prices...Find cheap flights from Ottawa to Chicago
Best
1 stop
8 Feb
DEP
06:40
YOW
1×
12:30
ORD
6h 50m
8 Feb
DEPARTURE
06:40 - 12:30
6h 50m
YOW
1 stop
ORD
1 stop
8 Feb
DEP
15:05
YOW
1×
20:04
ORD
5h 59m
8 Feb
DEPARTURE
15:05 - 20:04
5h 59m
YOW
1 stop
ORD
Air Canada flights from Ottawa to Chicago
Our best Air Canada deals on Ottawa to Chicago tickets
Best
1 stop
8 Feb
DEP
12:00
YOW
1×
17:48
ORD
6h 48m
8 Feb
DEPARTURE
12:00 - 17:48
6h 48m
YOW
1 stop
ORD
1 stop
8 Feb
DEP
07:15
YOW
1×
13:01
ORD
6h 46m
8 Feb
DEPARTURE
07:15 - 13:01
6h 46m
YOW
1 stop
ORD
Porter Airlines flights from Ottawa to Chicago
Our best Porter Airlines deals on Ottawa to Chicago tickets
Best
1 stop
8 Feb
DEP
06:40
YOW
1×
12:30
ORD
6h 50m
8 Feb
DEPARTURE
06:40 - 12:30
6h 50m
YOW
1 stop
ORD
1 stop
8 Feb
DEP
15:05
YOW
1×
20:04
ORD
5h 59m
8 Feb
DEPARTURE
15:05 - 20:04
5h 59m
YOW
1 stop
ORD
What's the cheapest day of the week to fly from Ottawa to Chicago?
If your flying dates are flexible, you should consider flying to Chicago on a Sat, as we generally find the cheapest rates on that day. On the other hand, Mon is the most expensive day to fly.
What is the cheapest month to fly from Ottawa to Chicago?
The cheapest month for flights from Ottawa to Chicago is Oct, where tickets cost $353 on average. The most expensive months are Dec.
JanFebMarAprMayJunJulAugSepOctNovDec
$512$433$353
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Everything you should know
Cheapest one-way flight
$364
Typical prices: $364–$664
When to book
6 weeks
in advance to save around 35%
Good to know
💰
Save money
Compare prices across airlines to find the best deal. Prices can vary significantly.
📅
Be flexible
Flying midweek or in off-peak seasons can save you up to 30% on airfare.
⏰
Book early
Booking 6+ weeks in advance typically offers the best prices.
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Frequently asked questions
The cheapest flight from Ottawa to Chicago currently costs AUD $364. Prices typically range from $364 to $664. Prices change frequently, so we recommend booking early and being flexible with your travel dates.