Cheap flights from Chicago to Ottawa from $0
Compare prices across airlines and find the best deals
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Discover deals on Chicago to Ottawa flights
Typical range $0–$0•Cheapest found $0
Checking latest prices...Find cheap flights from Chicago to Ottawa
Best
1 stop
9 Feb
DEP
10:00
ORD
1×
17:18
YOW
6h 18m
9 Feb
DEPARTURE
10:00 - 17:18
6h 18m
ORD
1 stop
YOW
1 stop
9 Feb
DEP
08:00
ORD
1×
15:23
YOW
6h 23m
9 Feb
DEPARTURE
08:00 - 15:23
6h 23m
ORD
1 stop
YOW
Air Canada flights from Chicago to Ottawa
Our best Air Canada deals on Chicago to Ottawa tickets
Best
1 stop
9 Feb
DEP
10:00
ORD
1×
17:18
YOW
6h 18m
9 Feb
DEPARTURE
10:00 - 17:18
6h 18m
ORD
1 stop
YOW
1 stop
9 Feb
DEP
08:00
ORD
1×
15:23
YOW
6h 23m
9 Feb
DEPARTURE
08:00 - 15:23
6h 23m
ORD
1 stop
YOW
Porter Airlines flights from Chicago to Ottawa
Our best Porter Airlines deals on Chicago to Ottawa tickets
Best
1 stop
9 Feb
DEP
09:41
ORD
1×
16:58
YOW
6h 17m
9 Feb
DEPARTURE
09:41 - 16:58
6h 17m
ORD
1 stop
YOW
1 stop
9 Feb
DEP
18:31
ORD
1×
00:43
YOW
5h 12m
9 Feb
DEPARTURE
18:31 - 00:43
5h 12m
ORD
1 stop
YOW
What's the cheapest day of the week to fly from Chicago to Ottawa?
If your flying dates are flexible, you should consider flying to Ottawa on a Mon, as we generally find the cheapest rates on that day. On the other hand, Wed is the most expensive day to fly.
What is the cheapest month to fly from Chicago to Ottawa?
The cheapest month for flights from Chicago to Ottawa is Oct, where tickets cost $489 on average. The most expensive months are Dec.
JanFebMarAprMayJunJulAugSepOctNovDec
$709$599$489
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Everything you should know
Cheapest one-way flight
$514
Typical prices: $514–$1029
When to book
3 weeks
in advance to save around 25%
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 3+ weeks in advance typically offers the best prices.
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Frequently asked questions
The cheapest flight from Chicago to Ottawa currently costs AUD $514. Prices typically range from $514 to $514. Prices change frequently, so we recommend booking early and being flexible with your travel dates.