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Cheap flights from Chicago O'Hare Intl Airport to Ottawa from C$ 148

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YOW
26 Feb — 5 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from O'Hare Intl to Ottawa

Enter your travel dates to find the best prices.

Cheapest flights from O'Hare Intl to Ottawa
Explore the most affordable flight options available from O'Hare Intl to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 January 2026.

Wed 11/36:36 p.m.
ORD
-
YOW
1 stop28h 49m
Multiple Airlines
Wed 18/34:15 p.m.
YOW
-
ORD
1 stop25h 44m
Multiple Airlines
Deal found 26/1C$ 359
Sun 8/23:00 p.m.
ORD
-
YOW
1 stop25h 25m
Multiple Airlines
Wed 11/24:15 p.m.
YOW
-
ORD
1 stop32h 09m
Multiple Airlines
Deal found 26/1C$ 382
Sat 4/412:25 p.m.
ORD
-
YOW
1 stop11h 00m
Multiple Airlines
Wed 8/43:55 p.m.
YOW
-
ORD
1 stop9h 12m
Multiple Airlines
Deal found 26/1C$ 383
Thu 12/39:15 a.m.
ORD
-
YOW
1 stop14h 10m
Multiple Airlines
Thu 19/34:05 p.m.
YOW
-
ORD
1 stop8h 54m
Multiple Airlines
Deal found 26/1C$ 389
Sat 7/25:32 p.m.
ORD
-
YOW
1 stop29h 53m
Multiple Airlines
Wed 11/24:15 p.m.
YOW
-
ORD
1 stop32h 09m
Multiple Airlines
Deal found 26/1C$ 423
Tue 24/25:15 a.m.
ORD
-
YOW
1 stop11h 10m
Multiple Airlines
Tue 3/37:00 a.m.
YOW
-
ORD
1 stop13h 11m
Multiple Airlines
Deal found 25/1C$ 445
Sun 8/23:00 p.m.
ORD
-
YOW
1 stop8h 25m
Multiple Airlines
Mon 9/24:20 p.m.
YOW
-
ORD
1 stop30h 24m
Multiple Airlines
Deal found 26/1C$ 446
Thu 26/23:21 p.m.
ORD
-
YOW
2 stops32h 18m
Multiple Airlines
Thu 21/52:20 p.m.
YOW
-
ORD
1 stop9h 23m
Multiple Airlines
Deal found 26/1C$ 452

Find flight deals from O'Hare Intl to Ottawa

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Ottawa (YOW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 27 January 2026.

Round-trip from

C$ 359

One-way from

C$ 148

Popular in

January

Cheapest in

March

Average price

C$ 984
11/3-18/3
  • 11/3-18/3
  • 2 total stops
  • 54h 33m total
  • Chicago to Ottawa
Search Deals
11/3
  • 11/3
  • 1 total stop
  • 20h 36m total
  • Chicago to Ottawa
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (C$ 147 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl to Ottawa that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 27 January 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Ottawa that are best for you.

Fly from

O'Hare Intl

Fly to

Ottawa

Route

Depart

Return

Price

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Sat 4/4

12:25 p.m.-12:25 a.m.

1 stop11h 00m

Ottawa

Wed 8/4

3:55 p.m.-12:07 a.m.

1 stop9h 12m

C$ 383

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Wed 13/5

1:27 p.m.-5:35 p.m.

2 stops27h 08m

Ottawa

Tue 19/5

2:20 p.m.-10:43 p.m.

1 stop9h 23m

C$ 490

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Thu 5/3

6:51 p.m.-12:35 p.m.

1 stop16h 44m

Ottawa

Mon 9/3

4:15 p.m.-10:36 a.m.

1 stop19h 21m

C$ 496

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Sun 22/2

4:43 p.m.-12:25 a.m.

1 stop30h 42m

Ottawa

Sun 1/3

3:55 p.m.-12:40 a.m.

1 stop9h 45m

C$ 504

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Mon 16/2

6:51 p.m.-1:49 p.m.

2 stops17h 58m

Ottawa

Sat 21/2

8:40 a.m.-12:40 a.m.

2 stops17h 00m

C$ 519

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Wed 11/3

6:51 p.m.-3:04 p.m.

2 stops19h 13m

Ottawa

Wed 18/3

8:40 a.m.-12:07 a.m.

2 stops16h 27m

C$ 546

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Thu 30/4

4:47 p.m.-12:30 p.m.

1 stop18h 43m

Ottawa

Sun 3/5

11:15 a.m.-10:43 p.m.

2 stops12h 28m

C$ 557

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Sun 15/2

12:44 p.m.-12:40 p.m.

2 stops22h 56m

Ottawa

Sat 21/2

8:40 a.m.-12:40 a.m.

2 stops17h 00m

C$ 618

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Tue 17/2

4:43 p.m.-5:25 p.m.

1 stop23h 42m

C$ 156

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Wed 11/3

5:22 p.m.-2:58 p.m.

1 stop20h 36m

C$ 182

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/1

Showing 1-10 of 12 results
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Best time to book a flight from O'Hare Intl to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from O'Hare Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to Ottawa

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Ottawa?

Currently, April is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Ottawa (average of C$ 145). Flying from Chicago O'Hare Intl Airport to Ottawa in January is currently the most expensive (average of C$ 344). 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.

What is the cheapest time of day to fly from ORD to YOW?

Find hourly flight availability from O'Hare Intl to Ottawa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 27 January 2026.

When flying from Chicago O'Hare Intl Airport to Ottawa, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Ottawa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Ottawa from Chicago O'Hare Intl?

    Located just 10.6 km from the city centre, Ottawa is the airport most travellers will use when flying to Ottawa from Chicago O'Hare Intl. Booking flights from Chicago O'Hare Intl to Ottawa (YOW) should be relatively easy as there are 9 daily inbound flights from Chicago O'Hare Intl from 0 different airlines.

  • What are the most reliable airlines from Chicago O'Hare Intl Airport to Ottawa?

    Before booking your flight to Ottawa from Chicago O'Hare Intl Airport, check out the most reliable airlines to get you to your destination on time: SkyWest Airlines (100%), United Airlines (77%), Air Canada( 69%).

  • Can I find deals for flights from O'Hare Intl to Ottawa that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Ottawa flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Ottawa?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Ottawa.

  • Can I find deals for business class flights from O'Hare Intl to Ottawa?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Ottawa by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Ottawa?

    Currently, April is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Ottawa (average of C$ 145). Flying from Chicago O'Hare Intl Airport to Ottawa in January is currently the most expensive (average of C$ 344). 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.

See more FAQs

Travelling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Brockville
Smiths Falls
Perth
Pembroke
Wakefield

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Deals for O'Hare Intl to Ottawa flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from O'Hare Intl to Ottawa?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from O'Hare Intl to Ottawa.

Can Cheapflights find flights from O'Hare Intl to Ottawa with no change fees?

Need flexible booking options for your flight to Ottawa from O'Hare Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from O'Hare Intl to Ottawa become cheaper?

Yes! Start tracking prices for O'Hare Intl to Ottawa flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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