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Cheap flights from Chicago O'Hare Intl Airport to Ottawa from C$ 161

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 28/11. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YOW
28 Nov — 5 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from O'Hare Intl to Ottawa

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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 29 October 2025.

Fri 12/1212:09 p.m.ORD - YOW
1 stop10h 49mMultiple Airlines
Sun 14/124:20 p.m.YOW - ORD
3 stops28h 41mMultiple Airlines
Deal found 28/10C$ 347
Thu 27/116:23 p.m.ORD - YOW
1 stop21h 50mMultiple Airlines
Mon 1/124:35 p.m.YOW - ORD
2 stops17h 26mMultiple Airlines
Deal found 28/10C$ 414
Tue 2/1210:59 a.m.ORD - YOW
2 stops8h 55mMultiple Airlines
Wed 3/124:15 p.m.YOW - ORD
1 stop22h 42mMultiple Airlines
Deal found 28/10C$ 418
Wed 26/116:15 p.m.ORD - YOW
1 stop21h 58mMultiple Airlines
Wed 3/124:15 p.m.YOW - ORD
1 stop22h 42mMultiple Airlines
Deal found 27/10C$ 423
Mon 29/125:00 a.m.ORD - YOW
1 stop18h 25mMultiple Airlines
Mon 5/14:20 p.m.YOW - ORD
3 stops33h 10mMultiple Airlines
Deal found 27/10C$ 439
Sat 15/117:34 p.m.ORD - YOW
1 stop16h 01mMultiple Airlines
Fri 21/113:05 p.m.YOW - ORD
2 stops31h 52mMultiple Airlines
Deal found 29/10C$ 440
Thu 11/126:15 a.m.ORD - YOW
1 stop17h 10mMultiple Airlines
Thu 18/124:20 p.m.YOW - ORD
1 stop17h 32mMultiple Airlines
Deal found 28/10C$ 447

Cheap 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 29 October 2025.

Round-trip from

C$ 347

One-way from

C$ 161

Popular in

November

Cheapest in

July

Average price

C$ 679
12/12-14/12
  • 12/12-14/12
  • 4 total stops
  • 39h 30m total
  • Chicago to Ottawa
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28/11
  • 28/11
  • 1 total stop
  • 7h 47m total
  • Chicago to Ottawa
Search Deals
Highest demand for flights based on searches. 23% potential increase in price (C$ 304 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease (C$ 62 potential savings vs. average RT price).
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Average for round-trip flights in October 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 29 October 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

Thu 27/11

6:23 p.m.-5:13 p.m.

1 stop21h 50m

Ottawa

Mon 1/12

3:55 p.m.-9:01 a.m.

1 stop18h 06m

C$ 416

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Wed 26/11

6:15 p.m.-5:13 p.m.

1 stop21h 58m

Ottawa

Wed 3/12

4:15 p.m.-1:57 p.m.

1 stop22h 42m

C$ 423

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Mon 29/12

5:00 a.m.-12:25 a.m.

1 stop18h 25m

Ottawa

Mon 5/1

4:20 p.m.-12:30 a.m.

3 stops33h 10m

C$ 439

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Sat 15/11

7:34 p.m.-12:35 p.m.

1 stop16h 01m

Ottawa

Fri 21/11

3:05 p.m.-9:57 p.m.

2 stops31h 52m

C$ 440

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Wed 3/12

8:36 a.m.-5:25 p.m.

1 stop7h 49m

Ottawa

Fri 5/12

4:35 p.m.-2:57 p.m.

2 stops23h 22m

C$ 461

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Fri 21/11

2:01 p.m.-12:35 p.m.

1 stop21h 34m

Ottawa

Sun 23/11

9:30 a.m.-5:59 p.m.

1 stop9h 29m

C$ 471

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Thu 11/12

11:44 a.m.-12:25 a.m.

2 stops11h 41m

Ottawa

Thu 18/12

4:20 p.m.-8:52 a.m.

1 stop17h 32m

C$ 488

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Fri 28/11

8:26 a.m.-5:13 p.m.

1 stop7h 47m

C$ 161

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Wed 19/11

10:52 a.m.-12:42 a.m.

2 stops12h 50m

C$ 173

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Fri 12/12

12:09 p.m.-11:58 p.m.

1 stop10h 49m

C$ 180

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/10

Showing 1-10 of 14 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, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Ottawa (average of C$ 183). Flying from Chicago O'Hare Intl Airport to Ottawa in December is currently the most expensive (average of C$ 369). 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 29 October 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 10 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: Avianca (90%), ANA (84%), Air Canada( 81%).

  • 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, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Ottawa (average of C$ 183). Flying from Chicago O'Hare Intl Airport to Ottawa in December is currently the most expensive (average of C$ 369). 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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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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