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Cheap flights from Chicago O'Hare Intl Airport to Ottawa from C$ 236

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 15/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YOW
28 May — 4 Jun1
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 28 April 2026.

Thu 14/57:33 p.m.
ORD
-
YOW
1 stop18h 27m
Multiple Airlines
Wed 27/57:00 a.m.
YOW
-
ORD
2 stops17h 13m
Multiple Airlines
Deal found 24/4C$ 469
Thu 14/57:33 p.m.
ORD
-
YOW
1 stop18h 27m
Multiple Airlines
Mon 18/54:20 p.m.
YOW
-
ORD
1 stop30h 54m
Multiple Airlines
Deal found 26/4C$ 474
Sat 23/55:30 p.m.
ORD
-
YOW
1 stop11h 05m
WestJet
Mon 25/57:20 a.m.
YOW
-
ORD
1 stop10h 20m
WestJet
Deal found 26/4C$ 477
Sat 23/55:30 p.m.
ORD
-
YOW
1 stop11h 05m
Multiple Airlines
Wed 27/57:00 a.m.
YOW
-
ORD
2 stops17h 13m
Multiple Airlines
Deal found 26/4C$ 502
Mon 11/51:49 p.m.
ORD
-
YOW
1 stop21h 26m
Multiple Airlines
Wed 27/57:00 a.m.
YOW
-
ORD
2 stops17h 13m
Multiple Airlines
Deal found 24/4C$ 508
Thu 28/55:11 p.m.
ORD
-
YOW
1 stop20h 22m
Multiple Airlines
Mon 1/62:20 p.m.
YOW
-
ORD
2 stops18h 35m
Multiple Airlines
Deal found 26/4C$ 510
Thu 14/57:33 p.m.
ORD
-
YOW
1 stop18h 27m
Multiple Airlines
Fri 29/57:00 a.m.
YOW
-
ORD
1 stop17h 13m
Multiple Airlines
Deal found 24/4C$ 528
Thu 14/57:33 p.m.
ORD
-
YOW
1 stop18h 27m
Multiple Airlines
Tue 26/57:00 a.m.
YOW
-
ORD
2 stops30h 37m
Multiple Airlines
Deal found 24/4C$ 529
Sat 23/55:30 p.m.
ORD
-
YOW
1 stop11h 05m
WestJet
Tue 26/54:15 p.m.
YOW
-
ORD
1 stop25h 25m
WestJet
Deal found 26/4C$ 548

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 28 April 2026.

Round-trip from

C$ 469

One-way from

C$ 236

Popular in

March

Cheapest in

May

Average price

C$ 1,449

Good one-way deal

C$ 459 or less
14/5-27/5
  • 14/5-27/5
  • 3 total stops
  • 35h 40m total
  • Chicago to Ottawa
Search Deals
15/5
  • 15/5
  • 1 total stop
  • 8h 55m total
  • Chicago to Ottawa
Search Deals
Highest demand for flights based on searches. 32% potential increase in price (C$ 602 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (C$ 83 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
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Price to beat on a one-way flight from Chicago O'Hare Intl to Ottawa.
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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 28 April 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 17/7

7:25 a.m.-1:17 p.m.

1 stop4h 52m

Ottawa

Tue 21/7

5:20 p.m.-8:16 p.m.

1 stop3h 56m

C$ 919

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Fri 21/8

9:35 p.m.-1:10 p.m.

2 stops14h 35m

Ottawa

Mon 24/8

7:30 p.m.-9:32 a.m.

2 stops15h 02m

C$ 990

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Wed 12/8

9:35 p.m.-9:11 a.m.

1 stop10h 36m

Ottawa

Sun 23/8

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

Nonstop2h 19m

C$ 1,082
Quickest round-trip

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Wed 10/6

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

Nonstop2h 12m

Ottawa

Fri 12/6

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

Nonstop2h 20m

C$ 1,097

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Mon 1/6

10:41 a.m.-1:59 p.m.

Nonstop2h 18m

Ottawa

Tue 2/6

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

Nonstop2h 20m

C$ 1,097

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Fri 4/9

6:21 p.m.-9:35 p.m.

Nonstop2h 14m

Ottawa

Sun 6/9

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

Nonstop2h 26m

C$ 1,097

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Fri 3/7

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

Nonstop2h 12m

Ottawa

Mon 6/7

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

Nonstop2h 20m

C$ 1,097

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Fri 29/5

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

Nonstop2h 13m

Ottawa

Sun 7/6

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

Nonstop2h 27m

C$ 1,097

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Thu 4/6

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

Nonstop2h 13m

Ottawa

Mon 8/6

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

Nonstop2h 27m

C$ 1,097

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Sun 6/9

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

Nonstop2h 19m

Ottawa

Fri 18/9

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

Nonstop2h 19m

C$ 1,097

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/4

Showing 1-10 of 18 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, May is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Ottawa (average of C$ 543). Flying from Chicago O'Hare Intl Airport to Ottawa in March is currently the most expensive (average of C$ 1,561). 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 28 April 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.

How much does it cost to fly round-trip from Chicago O'Hare Intl Airport to Ottawa?

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$ 919, Air Canada can have you in Ottawa from Chicago O'Hare Intl Airport in 4h 52m. The distance between Chicago O'Hare Intl Airport and Ottawa is about 1051 km. This flight may include one or multiple stops.

  • 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: Republic Airways (75%), ANA (72%), Emirates( 72%).

  • What are the cheapest flights from Chicago O'Hare Intl Airport to Ottawa?

    Looking for the cheapest flight from Chicago O'Hare Intl Airport to Ottawa? While on average our users pay C$ 459, our data indicates the cheapest price to be C$ 459. The most popular route (Chicago O'Hare Intl - Ottawa), is priced around C$ 474.

  • 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, May is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Ottawa (average of C$ 543). Flying from Chicago O'Hare Intl Airport to Ottawa in March is currently the most expensive (average of C$ 1,561). 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
Wakefield
Pembroke
Smiths Falls

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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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