Find flights
Deals
When to book
FAQs

Cheap flights from Chicago O'Hare Intl Airport to Ottawa from C$ 310

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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YOW
10 Jul — 17 Jul1
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 10 June 2026.

Fri 11/93:20 p.m.
ORD
-
YOW
1 stop20h 34m
Porter Airlines
Sun 13/95:55 p.m.
YOW
-
ORD
1 stop4h 40m
Porter Airlines
Deal found 8/6C$ 609
Thu 17/97:00 a.m.
ORD
-
YOW
1 stop4h 54m
Multiple Airlines
Sat 19/96:25 p.m.
YOW
-
ORD
1 stop17h 35m
Multiple Airlines
Deal found 8/6C$ 612
Fri 11/93:20 p.m.
ORD
-
YOW
1 stop17h 54m
Porter Airlines
Wed 16/98:45 p.m.
YOW
-
ORD
1 stop15h 15m
Porter Airlines
Deal found 7/6C$ 639
Fri 4/93:20 p.m.
ORD
-
YOW
1 stop17h 54m
Porter Airlines
Sun 6/97:00 a.m.
YOW
-
ORD
1 stop8h 35m
Porter Airlines
Deal found 9/6C$ 647
Thu 15/103:20 p.m.
ORD
-
YOW
1 stop3h 44m
Multiple Airlines
Sun 25/103:15 p.m.
YOW
-
ORD
1 stop25h 11m
Multiple Airlines
Deal found 9/6C$ 653
Fri 18/98:03 a.m.
ORD
-
YOW
1 stop5h 52m
American Airlines
Mon 21/98:40 a.m.
YOW
-
ORD
1 stop6h 40m
American Airlines
Deal found 9/6C$ 661
Mon 7/97:00 a.m.
ORD
-
YOW
1 stop24h 05m
Multiple Airlines
Mon 14/96:55 a.m.
YOW
-
ORD
1 stop8h 40m
Multiple Airlines
Deal found 7/6C$ 671
Fri 11/97:00 a.m.
ORD
-
YOW
1 stop4h 54m
Multiple Airlines
Wed 16/97:00 a.m.
YOW
-
ORD
2 stops33h 26m
Multiple Airlines
Deal found 7/6C$ 672
Sun 6/95:30 p.m.
ORD
-
YOW
1 stop11h 05m
Multiple Airlines
Wed 9/96:55 a.m.
YOW
-
ORD
1 stop13h 53m
Multiple Airlines
Deal found 6/6C$ 676
Sat 5/97:00 a.m.
ORD
-
YOW
1 stop4h 54m
Multiple Airlines
Mon 7/97:00 a.m.
YOW
-
ORD
1 stop30h 25m
Multiple Airlines
Deal found 7/6C$ 689
Fri 11/97:45 a.m.
ORD
-
YOW
2 stops15h 35m
Multiple Airlines
Sun 13/93:30 p.m.
YOW
-
ORD
1 stop7h 05m
Multiple Airlines
Deal found 8/6C$ 703

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 10 June 2026.

Round-trip from

C$ 609

One-way from

C$ 310

Popular in

March

Cheapest in

October

Average price

C$ 1,174

Good one-way deal

C$ 235 or less
Porter Airlines
  • Porter Airlines
  • 11/9-13/9
  • 2 total stops
  • 25h 14m total
  • Chicago to Ottawa
Search Deals
Porter Airlines
  • Porter Airlines
  • 5/10
  • 1 total stop
  • 18h 39m total
  • Chicago to Ottawa
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (C$ 272 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (C$ 80 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a one-way flight from Chicago O'Hare Intl to Ottawa.
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 10 June 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

Sat 31/10

6:00 a.m.-4:15 p.m.

1 stop9h 15m

Ottawa

Wed 4/11

2:48 p.m.-11:42 p.m.

1 stop9h 54m

C$ 1,047

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Tue 7/7

9:30 p.m.-10:03 a.m.

2 stops11h 33m

Ottawa

Tue 14/7

4:00 p.m.-7:42 a.m.

2 stops16h 42m

C$ 1,116

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Sat 11/7

6:00 a.m.-10:05 p.m.

1 stop15h 05m

Ottawa

Tue 14/7

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

Nonstop2h 27m

C$ 1,166

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Thu 9/7

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

Nonstop2h 12m

Ottawa

Sun 12/7

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

Nonstop2h 27m

C$ 1,177

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Tue 21/7

6:00 a.m.-4:38 p.m.

1 stop9h 38m

Ottawa

Sat 25/7

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

Nonstop2h 27m

C$ 1,195

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Wed 22/7

7:10 a.m.-4:38 p.m.

1 stop8h 28m

Ottawa

Mon 27/7

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

Nonstop2h 27m

C$ 1,202

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Fri 16/10

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

1 stop10h 36m

Ottawa

Mon 19/10

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

Nonstop2h 26m

C$ 1,209

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

10:37 a.m.-12:00 p.m.

Nonstop2h 23m

C$ 1,212
Quickest round-trip

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Wed 29/7

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

Nonstop2h 12m

Ottawa

Sun 9/8

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

Nonstop2h 20m

C$ 1,212

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Sat 25/7

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

Nonstop2h 13m

Ottawa

Sun 26/7

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

Nonstop2h 27m

C$ 1,212

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/6

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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, October is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Ottawa (average of C$ 658). Flying from Chicago O'Hare Intl Airport to Ottawa in March is currently the most expensive (average of C$ 1,597). 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 10 June 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 12 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$ 1,047, United Airlines can have you in Ottawa from Chicago O'Hare Intl Airport in 9h 15m. The distance between Chicago O'Hare Intl Airport and Ottawa is about 1051 km.

  • 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 (82%), ANA (80%), Air Canada( 79%).

  • 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$ 470, our data indicates the cheapest price to be C$ 235. The most popular route (Chicago O'Hare Intl - Ottawa), is priced around C$ 609.

  • 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, October is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Ottawa (average of C$ 658). Flying from Chicago O'Hare Intl Airport to Ottawa in March is currently the most expensive (average of C$ 1,597). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from O'Hare Intl to Ottawa?

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.