Find Cheap Flights from Ottawa to Chicago O'Hare International (YOW - ORD)

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Good to Know

Average price:
C$ 678
(avg. price over the last 2 weeks)
Good Deal:
C$ 461
or less (round trip)

When to Book Flights from Ottawa to Chicago O'Hare International

Flight prices as travel date approaches
-1 day
-2 days

Top tips for Finding a Cheap Flight

Looking for a cheap flight? 25% of our users found flights on this route for C$ 460 or less.
The cheapest flight from Ottawa to Chicago O'Hare International was found, on average, 77 days before departure.
Book at least 1 week before departure in order to get a below-average price.
Morning departure is around 2% cheaper than an evening flight, on average*.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

FAQs for Booking Ottawa to Chicago O'Hare International Flights

How long does a flight from Ottawa to Chicago O'Hare International take?
An average nonstop flight takes 4h 05m, covering a distance of 1051 km.
How many flights are there between Ottawa and Chicago O'Hare International?
There are 117 (nonstop) flights between Ottawa and Chicago O'Hare International per week, averaging 17 per day.
Which airlines provide the cheapest flights from Ottawa to Chicago O'Hare International?
In the past 3 days, the cheapest round-trip tickets were found on Delta (C$ 327), Multiple Airlines (C$ 356) and American Airlines (C$ 453).
Do I need a passport to fly between Ottawa and Chicago O'Hare International?
Yes.
Which airlines fly most frequently between Ottawa and Chicago O'Hare International?
United (6 times daily), Air Canada (5 times daily), ANA (3 times daily) are the most frequent flyers on this route.
What’s the cheapest day of the week to fly from Ottawa to Chicago O'Hare International?
For Ottawa to Chicago O'Hare International, Tuesday is the cheapest day to fly on average and Friday is the most expensive. Flying from Chicago O'Hare International back to Ottawa, the best deals are generally found on Wednesday, with Thursday being the most expensive.

Book cheap flights from Ottawa to Chicago O'Hare International (round-trip)

Airports
Origin
Ottawa
C$ 327
only
C$ 327
Destination
Chicago
C$ 327
only
C$ 327
Tue, 10 Jul
YOW
ORD
5h 09m
Tue, 17 Jul
ORD
YOW
6h 59m
C$ 327
Trip: 8 days
7.8GoodShow reviews
Overall 7.8 Good
Based on 16027 reviews
Overall
8.0
Boarding
8.1
Comfort
7.8
Crew
8.4
Entertainment
7.5
Food
7.4
DTW
YOW
Excellent 9.3

Please see above. Sherry was amazing

Plane was small and older but it was a short flight

SJC
SLC
Excellent 8.8

Good clean aircraft. Fairly comfortable seats. Even had a power outlet in my row. Not too bad for an aircraft from the late 70s.

for some reason, i had to pay to gate check a bag. It didnt seem like anyone else did while boarding my flight.

BOS
JFK
Excellent 9.3

The volume controls on the tv we’re pretty poor. Was either too loud or too soft with only 5-6 volume settings.

GDL
ATL
Excellent 9.0

Staff was great!

No TV for movies.

MSP
CUN
Mediocre 2.0

nothing

They lost my luggage.

Tue, 27 Mar
YOW
ORD
5h 21m
Thu, 29 Mar
ORD
YOW
7h 34m
C$ 356
Trip: 3 days
Overall 0.0 Poor
Based on 0 reviews
Fri, 16 Mar
YOW
ORD
10h 28m
Mon, 19 Mar
ORD
YOW
9h 14m
C$ 453
Trip: 4 days
7.2GoodShow reviews
Overall 7.2 Good
Based on 28211 reviews
Overall
7.4
Boarding
7.5
Comfort
7.1
Crew
7.8
Entertainment
6.7
Food
6.7
PHX
GEG
Good 7.3

The crew was friendly and informative. They were very helpful. The

The seats were uncomfortable. They were hard and so narrow I had to sit crooked in the seat to keep from getting banged into by the service carts and every person going by to the bathrooms. I'm not tiny, but I'm not huge either, it was just overcrowded. It was also very hot in the airplane the entire way from Phoenix to Spokane. My husband, who is always cold, was even hot.

DFW
FLL
Excellent 8.0

No issues at all

N/A

JFK
EZE
Excellent 9.0

Beautiful design n great storage

Hard to get out of seat unless in fully upright biz class position

CLT
LGA
Excellent 10.0

Ability to upgrade to first class

Security taking forever

ORD
CLT
Mediocre 3.0

Three hours delay. I paid for a upgrade to first class. But because of the flight change i didn't get to keep my upgrade and I had to beg for a refund. I have had two trips in the past 5 days and all flights have been anywhere from 1 to 3 hours late. Worst experience with AA I have had in a long time.

Wed, 11 Jul
YOW
ORD
5h 09m
Tue, 17 Jul
ORD
YOW
6h 59m
C$ 327
Trip: 7 days
7.8GoodShow reviews
Overall 7.8 Good
Based on 16027 reviews
Overall
8.0
Boarding
8.1
Comfort
7.8
Crew
8.4
Entertainment
7.5
Food
7.4
ATL
JNB
Okay 4.0

Aircraft seemed shabby despite refresh of Comfort Plus, food was really mediocre. Steer clear of the Asian Veg option.

ATL
DTW
Excellent 10.0

Pls see above

MSP
CUN
Mediocre 2.0

nothing

They lost my luggage.

SJC
SLC
Excellent 8.8

Good clean aircraft. Fairly comfortable seats. Even had a power outlet in my row. Not too bad for an aircraft from the late 70s.

for some reason, i had to pay to gate check a bag. It didnt seem like anyone else did while boarding my flight.

BOS
ATL
Okay 4.0

Comfort Plus allowed us to board early, useful USB ports.

Thu, 5 Apr
YOW
ORD
7h 39m
Mon, 9 Apr
ORD
YOW
7h 55m
C$ 331
Trip: 5 days
7.8GoodShow reviews
Overall 7.8 Good
Based on 16027 reviews
Overall
8.0
Boarding
8.1
Comfort
7.8
Crew
8.4
Entertainment
7.5
Food
7.4
ATL
DTW
Excellent 10.0

Pls see above

DTW
YOW
Excellent 9.3

Please see above. Sherry was amazing

Plane was small and older but it was a short flight

MSP
CUN
Mediocre 2.0

nothing

They lost my luggage.

SJC
SLC
Excellent 8.8

Good clean aircraft. Fairly comfortable seats. Even had a power outlet in my row. Not too bad for an aircraft from the late 70s.

for some reason, i had to pay to gate check a bag. It didnt seem like anyone else did while boarding my flight.

ATL
MEX
Excellent 10.0

Flight was on time, crew was friendly, plane was clean, and boarding was painless and efficient. Food was served which was a huge plus. I appreciate having a choice of almonds for a snack.

Tue, 31 Jul
YOW
ORD
7h 09m
Fri, 3 Aug
ORD
YOW
13h 44m
C$ 391
Trip: 4 days
Overall 0.0 Poor
Based on 0 reviews
Sun, 8 Apr
YOW
ORD
4h 05m
Fri, 13 Apr
ORD
YOW
6h 11m
C$ 331
Trip: 6 days
7.8GoodShow reviews
Overall 7.8 Good
Based on 16027 reviews
Overall
8.0
Boarding
8.1
Comfort
7.8
Crew
8.4
Entertainment
7.5
Food
7.4
BOS
BNA
Excellent 8.0

Service vey Good. Nice choices. Comfort seating very nice

WiFi awful. Useless.

DTW
MEX
Excellent 8.3

Even though I was disappointed by not being able to get the boarding passes from Delta for Aeromexico’s connecting flight to Bogota, I had an agent greet me after customs in Mexico to issue the boarding pass so I could use the transfer flight line. Excellent service throughout the entire trip.

Confusion over my boarding pass at the Delta terminal in Detroit.

ATL
MEX
Excellent 10.0

Flight was on time, crew was friendly, plane was clean, and boarding was painless and efficient. Food was served which was a huge plus. I appreciate having a choice of almonds for a snack.

GDL
ATL
Excellent 9.0

Staff was great!

No TV for movies.

ATL
JNB
Okay 4.0

Aircraft seemed shabby despite refresh of Comfort Plus, food was really mediocre. Steer clear of the Asian Veg option.

Mon, 26 Mar
YOW
ORD
7h 32m
Wed, 4 Apr
ORD
YOW
4h 21m
C$ 332
Trip: 10 days
7.8GoodShow reviews
Overall 7.8 Good
Based on 16027 reviews
Overall
8.0
Boarding
8.1
Comfort
7.8
Crew
8.4
Entertainment
7.5
Food
7.4
ATL
JNB
Okay 4.0

Aircraft seemed shabby despite refresh of Comfort Plus, food was really mediocre. Steer clear of the Asian Veg option.

BOS
JFK
Excellent 9.3

The volume controls on the tv we’re pretty poor. Was either too loud or too soft with only 5-6 volume settings.

BOS
BNA
Excellent 8.0

Service vey Good. Nice choices. Comfort seating very nice

WiFi awful. Useless.

ECP
ATL
Excellent 9.6

We have been on 6 flights over the last 8 days, all with Delta and we have already started telling people how wonderful the service was. Sherry on this last flight was amazing, working so hard all by herself as our flight attendant. We were very impressed. And the pilots all came out to say goodbye and thank you. All very nice...esp for me who needed some wheelchair assistance. We will certainly fly with you again in the future.

Smaller plane but ok for short flight

GDL
ATL
Excellent 9.0

Staff was great!

No TV for movies.

Thu, 15 Mar
YOW
ORD
4h 06m
Wed, 21 Mar
ORD
YOW
3h 54m
C$ 407
Trip: 7 days
Overall 0.0 Poor
Based on 0 reviews
Tue, 27 Mar
YOW
ORD
7h 32m
Wed, 4 Apr
ORD
YOW
5h 50m
C$ 332
Trip: 9 days
7.8GoodShow reviews
Overall 7.8 Good
Based on 16027 reviews
Overall
8.0
Boarding
8.1
Comfort
7.8
Crew
8.4
Entertainment
7.5
Food
7.4
BOS
BNA
Excellent 8.0

Service vey Good. Nice choices. Comfort seating very nice

WiFi awful. Useless.

ATL
DTW
Excellent 10.0

Pls see above

SJC
SLC
Excellent 8.8

Good clean aircraft. Fairly comfortable seats. Even had a power outlet in my row. Not too bad for an aircraft from the late 70s.

for some reason, i had to pay to gate check a bag. It didnt seem like anyone else did while boarding my flight.

BOS
JFK
Excellent 9.3

The volume controls on the tv we’re pretty poor. Was either too loud or too soft with only 5-6 volume settings.

GDL
ATL
Excellent 9.0

Staff was great!

No TV for movies.

Mon, 19 Mar
YOW
ORD
7h 32m
Wed, 21 Mar
ORD
YOW
3h 54m
C$ 407
Trip: 3 days
Overall 0.0 Poor
Based on 0 reviews
Tue, 20 Mar
YOW
ORD
7h 32m
Wed, 21 Mar
ORD
YOW
3h 54m
C$ 413
Trip: 2 days
Overall 0.0 Poor
Based on 0 reviews
Thu, 12 Jul
YOW
ORD
7h 09m
Tue, 17 Jul
ORD
YOW
6h 59m
C$ 351
Trip: 6 days
7.8GoodShow reviews
Overall 7.8 Good
Based on 16027 reviews
Overall
8.0
Boarding
8.1
Comfort
7.8
Crew
8.4
Entertainment
7.5
Food
7.4
MSP
CUN
Mediocre 2.0

nothing

They lost my luggage.

BOS
ATL
Okay 4.0

Comfort Plus allowed us to board early, useful USB ports.

DTW
MEX
Excellent 8.3

Even though I was disappointed by not being able to get the boarding passes from Delta for Aeromexico’s connecting flight to Bogota, I had an agent greet me after customs in Mexico to issue the boarding pass so I could use the transfer flight line. Excellent service throughout the entire trip.

Confusion over my boarding pass at the Delta terminal in Detroit.

ATL
DTW
Excellent 10.0

Pls see above

ATL
JNB
Okay 4.0

Aircraft seemed shabby despite refresh of Comfort Plus, food was really mediocre. Steer clear of the Asian Veg option.

Wed, 9 May
YOW
ORD
6h 39m
Fri, 11 May
ORD
YOW
4h 02m
C$ 413
Trip: 3 days
Overall 0.0 Poor
Based on 0 reviews
Sun, 25 Mar
YOW
ORD
5h 21m
Wed, 4 Apr
ORD
YOW
6h 11m
C$ 355
Trip: 11 days
7.8GoodShow reviews
Overall 7.8 Good
Based on 16027 reviews
Overall
8.0
Boarding
8.1
Comfort
7.8
Crew
8.4
Entertainment
7.5
Food
7.4
MSP
CUN
Mediocre 2.0

nothing

They lost my luggage.

BOS
JFK
Excellent 9.3

The volume controls on the tv we’re pretty poor. Was either too loud or too soft with only 5-6 volume settings.

ATL
DTW
Excellent 10.0

Pls see above

BOS
BNA
Excellent 8.0

Service vey Good. Nice choices. Comfort seating very nice

WiFi awful. Useless.

ECP
ATL
Excellent 9.6

We have been on 6 flights over the last 8 days, all with Delta and we have already started telling people how wonderful the service was. Sherry on this last flight was amazing, working so hard all by herself as our flight attendant. We were very impressed. And the pilots all came out to say goodbye and thank you. All very nice...esp for me who needed some wheelchair assistance. We will certainly fly with you again in the future.

Smaller plane but ok for short flight

Tue, 1 May
YOW
ORD
4h 23m
Tue, 8 May
ORD
YOW
11h 25m
C$ 422
Trip: 8 days
Overall 0.0 Poor
Based on 0 reviews
Tue, 10 Jul
YOW
ORD
5h 09m
Wed, 18 Jul
ORD
YOW
6h 59m
C$ 364
Trip: 9 days
7.8GoodShow reviews
Overall 7.8 Good
Based on 16027 reviews
Overall
8.0
Boarding
8.1
Comfort
7.8
Crew
8.4
Entertainment
7.5
Food
7.4
SJC
SLC
Excellent 8.8

Good clean aircraft. Fairly comfortable seats. Even had a power outlet in my row. Not too bad for an aircraft from the late 70s.

for some reason, i had to pay to gate check a bag. It didnt seem like anyone else did while boarding my flight.

BOS
BNA
Excellent 8.0

Service vey Good. Nice choices. Comfort seating very nice

WiFi awful. Useless.

BOS
JFK
Excellent 9.3

The volume controls on the tv we’re pretty poor. Was either too loud or too soft with only 5-6 volume settings.

DTW
YOW
Excellent 9.3

Please see above. Sherry was amazing

Plane was small and older but it was a short flight

DTW
MEX
Excellent 8.3

Even though I was disappointed by not being able to get the boarding passes from Delta for Aeromexico’s connecting flight to Bogota, I had an agent greet me after customs in Mexico to issue the boarding pass so I could use the transfer flight line. Excellent service throughout the entire trip.

Confusion over my boarding pass at the Delta terminal in Detroit.

Thu, 15 Mar
YOW
ORD
4h 06m
Tue, 20 Mar
ORD
YOW
3h 54m
C$ 423
Trip: 6 days
Overall 0.0 Poor
Based on 0 reviews
Wed, 28 Mar
YOW
ORD
7h 32m
Wed, 4 Apr
ORD
YOW
5h 50m
C$ 380
Trip: 8 days
7.8GoodShow reviews
Overall 7.8 Good
Based on 16027 reviews
Overall
8.0
Boarding
8.1
Comfort
7.8
Crew
8.4
Entertainment
7.5
Food
7.4
SJC
SLC
Excellent 8.8

Good clean aircraft. Fairly comfortable seats. Even had a power outlet in my row. Not too bad for an aircraft from the late 70s.

for some reason, i had to pay to gate check a bag. It didnt seem like anyone else did while boarding my flight.

MSP
CUN
Mediocre 2.0

nothing

They lost my luggage.

DTW
MEX
Excellent 8.3

Even though I was disappointed by not being able to get the boarding passes from Delta for Aeromexico’s connecting flight to Bogota, I had an agent greet me after customs in Mexico to issue the boarding pass so I could use the transfer flight line. Excellent service throughout the entire trip.

Confusion over my boarding pass at the Delta terminal in Detroit.

BOS
BNA
Excellent 8.0

Service vey Good. Nice choices. Comfort seating very nice

WiFi awful. Useless.

ATL
JNB
Okay 4.0

Aircraft seemed shabby despite refresh of Comfort Plus, food was really mediocre. Steer clear of the Asian Veg option.

Mon, 19 Mar
YOW
ORD
7h 32m
Tue, 20 Mar
ORD
YOW
3h 54m
C$ 423
Trip: 2 days
Overall 0.0 Poor
Based on 0 reviews
Show more results

Ottawa to Chicago O'Hare International Flight Information

Flights Arrive in Chicago O'Hare International
Flights Depart from Ottawa
Flight Price C$ 327
Distance 1051 km
Airlines Delta, American Airlines
*
Prices are per person, are for e–tickets and include all taxes & fees in CAD.

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Here's why:

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Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
please send us an and someone from our team will get back to you promptly.

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The fares displayed include all taxes and fees for economy class travel and were found by the provider in the last 72 hours. Seats are limited and may not be available on all flights and days. Fares are subject to change and may not be available on all flights or dates of travel. Some carriers charge additional fees for extra checked bags. Please check the carriers' sites.