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Cheap flights from Chicago O'Hare Intl Airport to Ottawa from C$ 175

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 8/1. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YOW
11 Jan — 18 Jan1
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 12 December 2025.

Thu 25/129:34 a.m.ORD - YOW
1 stop26h 01mMultiple Airlines
Thu 8/17:00 a.m.YOW - ORD
1 stop14h 30mMultiple Airlines
Deal found 10/12C$ 495
Thu 25/129:34 a.m.ORD - YOW
1 stop26h 01mMultiple Airlines
Fri 9/13:05 p.m.YOW - ORD
2 stops8h 37mMultiple Airlines
Deal found 10/12C$ 536
Thu 25/129:34 a.m.ORD - YOW
1 stop26h 01mMultiple Airlines
Sat 10/18:40 a.m.YOW - ORD
2 stops15h 02mMultiple Airlines
Deal found 10/12C$ 539
Thu 25/129:34 a.m.ORD - YOW
1 stop26h 01mMultiple Airlines
Wed 7/19:30 a.m.YOW - ORD
1 stop10h 32mMultiple Airlines
Deal found 10/12C$ 552
Thu 25/129:34 a.m.ORD - YOW
1 stop26h 01mMultiple Airlines
Sun 11/12:50 p.m.YOW - ORD
2 stops8h 52mMultiple Airlines
Deal found 10/12C$ 565
Tue 30/1212:09 p.m.ORD - YOW
1 stop10h 49mMultiple Airlines
Mon 12/17:00 a.m.YOW - ORD
1 stop29h 22mMultiple Airlines
Deal found 11/12C$ 570
Thu 25/129:34 a.m.ORD - YOW
1 stop26h 01mMultiple Airlines
Thu 1/13:40 p.m.YOW - ORD
2 stops17h 51mMultiple Airlines
Deal found 10/12C$ 593
Tue 30/1212:09 p.m.ORD - YOW
1 stop10h 49mMultiple Airlines
Tue 13/19:30 a.m.YOW - ORD
1 stop9h 22mMultiple Airlines
Deal found 11/12C$ 607

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 12 December 2025.

Round-trip from

C$ 335

One-way from

C$ 175

Popular in

November

Cheapest in

March

Average price

C$ 481
25/1-1/2
  • 25/1-1/2
  • 4 total stops
  • 38h 32m total
  • Chicago to Ottawa
Search Deals
8/1
  • 8/1
  • 1 total stop
  • 10h 37m total
  • Chicago to Ottawa
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 53 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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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 12 December 2025.
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

Sun 25/1

8:43 p.m.-12:42 a.m.

2 stops26h 59m

Ottawa

Sun 1/2

4:20 p.m.-7:38 p.m.

3 stops28h 18m

C$ 346

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Fri 23/1

7:21 p.m.-2:58 p.m.

1 stop18h 37m

Ottawa

Sun 25/1

2:50 p.m.-10:42 p.m.

2 stops8h 52m

C$ 386

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Tue 6/1

3:26 p.m.-5:25 p.m.

1 stop24h 59m

Ottawa

Sun 11/1

7:00 a.m.-11:22 a.m.

1 stop29h 22m

C$ 389

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Thu 8/1

12:48 p.m.-12:25 a.m.

1 stop10h 37m

Ottawa

Thu 15/1

4:35 p.m.-10:42 p.m.

2 stops31h 07m

C$ 448

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Fri 9/1

7:21 p.m.-2:58 p.m.

1 stop18h 37m

Ottawa

Sun 11/1

12:10 p.m.-10:42 p.m.

2 stops11h 32m

C$ 480

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Thu 25/12

5:25 a.m.-11:58 p.m.

2 stops41h 33m

Ottawa

Thu 8/1

7:00 a.m.-8:30 p.m.

1 stop14h 30m

C$ 520

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Fri 23/1

2:20 p.m.-12:40 a.m.

1 stop9h 20m

Ottawa

Sun 25/1

5:45 p.m.-1:35 p.m.

1 stop20h 50m

C$ 567

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Thu 15/1

7:20 a.m.-10:29 p.m.

3 stops14h 09m

Ottawa

Sun 18/1

12:10 p.m.-10:42 p.m.

2 stops11h 32m

C$ 578

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Thu 15/1

1:13 p.m.-12:25 a.m.

1 stop10h 12m

C$ 182

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Thu 8/1

5:50 a.m.-12:25 a.m.

2 stops17h 35m

C$ 193

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Showing 1-10 of 16 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$ 142). Flying from Chicago O'Hare Intl Airport to Ottawa in July is currently the most expensive (average of C$ 325). 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 12 December 2025.

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 12 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%), Avianca (93%), United Airlines( 80%).

  • 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$ 142). Flying from Chicago O'Hare Intl Airport to Ottawa in July is currently the most expensive (average of C$ 325). 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
Prescott
Pembroke
Wakefield

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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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