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Cheap flights from Chicago O'Hare Intl Airport to Ottawa from C$ 212

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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YOW
10 Apr — 17 Apr1
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 11 March 2026.

Tue 31/38:06 a.m.
ORD
-
YOW
1 stop8h 19m
Multiple Airlines
Wed 15/47:00 a.m.
YOW
-
ORD
1 stop15h 17m
Multiple Airlines
Deal found 6/3C$ 432
Tue 21/41:27 p.m.
ORD
-
YOW
1 stop26h 58m
Multiple Airlines
Sat 25/47:00 a.m.
YOW
-
ORD
1 stop15h 17m
Multiple Airlines
Deal found 9/3C$ 456
Sat 4/46:01 p.m.
ORD
-
YOW
1 stop17h 34m
Multiple Airlines
Thu 9/411:00 a.m.
YOW
-
ORD
2 stops14h 22m
Multiple Airlines
Deal found 9/3C$ 498
Tue 7/46:01 p.m.
ORD
-
YOW
1 stop22h 24m
Multiple Airlines
Tue 14/47:00 a.m.
YOW
-
ORD
1 stop27h 36m
Multiple Airlines
Deal found 10/3C$ 500
Tue 21/41:27 p.m.
ORD
-
YOW
1 stop26h 58m
Multiple Airlines
Tue 28/46:25 p.m.
YOW
-
ORD
2 stops27h 52m
Multiple Airlines
Deal found 8/3C$ 509
Wed 25/36:01 p.m.
ORD
-
YOW
1 stop22h 24m
Multiple Airlines
Wed 8/43:55 p.m.
YOW
-
ORD
1 stop9h 27m
Multiple Airlines
Deal found 6/3C$ 512

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 11 March 2026.

Round-trip from

C$ 432

One-way from

C$ 212

Popular in

January

Cheapest in

June

Average price

C$ 987
31/3-15/4
  • 31/3-15/4
  • 2 total stops
  • 23h 36m total
  • Chicago to Ottawa
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7/4
  • 7/4
  • 1 total stop
  • 22h 24m total
  • Chicago to Ottawa
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (C$ 177 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 32 potential savings vs. average RT price).
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Average for round-trip flights in March 2026
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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 11 March 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Fri 1/5

10:43 a.m.-1:59 p.m.

Nonstop2h 16m

Ottawa

Thu 9/7

10:44 a.m.-12:11 p.m.

Nonstop2h 27m

C$ 1,006

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Thu 23/4

1:55 p.m.-5:07 p.m.

Nonstop2h 12m

Ottawa

Sun 26/4

5:25 p.m.-6:58 p.m.

Nonstop2h 33m

C$ 1,006

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Fri 4/9

10:40 a.m.-1:59 p.m.

Nonstop2h 19m

Ottawa

Sun 6/9

6:25 a.m.-7:44 a.m.

Nonstop2h 19m

C$ 1,006

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Wed 12/8

10:40 a.m.-1:59 p.m.

Nonstop2h 19m

Ottawa

Mon 17/8

6:25 a.m.-7:44 a.m.

Nonstop2h 19m

C$ 1,006

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Tue 21/4

10:43 a.m.-1:59 p.m.

Nonstop2h 16m

Ottawa

Tue 28/4

5:25 p.m.-6:58 p.m.

Nonstop2h 33m

C$ 1,006
Quickest round-trip

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Fri 22/5

6:22 p.m.-9:35 p.m.

Nonstop2h 13m

Ottawa

Tue 26/5

6:25 a.m.-7:45 a.m.

Nonstop2h 20m

C$ 1,006

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Fri 19/6

1:55 p.m.-5:07 p.m.

Nonstop2h 12m

Ottawa

Tue 23/6

5:20 p.m.-6:47 p.m.

Nonstop2h 27m

C$ 1,006

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Tue 28/4

10:43 a.m.-1:59 p.m.

Nonstop2h 16m

Ottawa

Wed 29/4

6:25 a.m.-7:58 a.m.

Nonstop2h 33m

C$ 1,006

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Thu 3/9

3:00 p.m.-11:54 p.m.

1 stop7h 54m

Ottawa

Mon 7/9

5:20 p.m.-6:46 p.m.

Nonstop2h 26m

C$ 1,018

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Wed 17/6

8:40 a.m.-2:17 p.m.

1 stop4h 37m

Ottawa

Wed 24/6

10:44 a.m.-12:11 p.m.

Nonstop2h 27m

C$ 1,018

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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$ 134). Flying from Chicago O'Hare Intl Airport to Ottawa in July is currently the most expensive (average of C$ 384). 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 11 March 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 11 daily inbound flights from Chicago O'Hare Intl from 0 different airlines.

  • How long is the flight from Chicago O'Hare Intl Airport to Ottawa?

    For as low as C$ 1,006, United Airlines can have you in Ottawa from Chicago O'Hare Intl Airport in 2h 16m. The distance between Chicago O'Hare Intl Airport and Ottawa is about 1051 km. All flights are typically direct.

  • 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: ANA (74%), Republic Airways (74%), Emirates( 67%).

  • 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$ 134). Flying from Chicago O'Hare Intl Airport to Ottawa in July is currently the most expensive (average of C$ 384). 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
Perth
Wakefield
Pembroke
Smiths Falls

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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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