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Cheap flights from Chicago O'Hare Intl Airport to Ottawa from C$ 206

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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YOW
30 Mar — 6 Apr1
1 adult

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 25 March 2025.

Round-trip from

C$ 517

One-way from

C$ 206

Popular in

August

Cheapest in

July

Average price

C$ 789

Good round-trip deal

C$ 698 or less

Good one-way deal

C$ 365 or less
9/5-12/5
  • 9/5-12/5
  • 2 total stops
  • 34h 50m total
  • Chicago to Ottawa
9/4
  • 9/4
  • 1 total stop
  • 9h 00m total
  • Chicago to Ottawa
High demand for flights, 2% potential price rise
Cheapest flight prices on average. 2% potential price decrease (C$ 31 potential savings vs. average RT price).
Average for round-trip flights in March 2025
Price to beat on a round-trip flight from Chicago O'Hare Intl to Ottawa.
Price to beat on a one-way flight from Chicago O'Hare Intl to Ottawa.

Find flight deals from O'Hare Intl to Ottawa

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 25 March 2025.

Fri 9/55:30 p.m.ORD - YOW
1 stop18h 33mMultiple Airlines
Mon 12/54:10 p.m.YOW - ORD
1 stop16h 17mMultiple Airlines
Deal found 24/3C$ 517
Fri 9/52:22 p.m.ORD - YOW
Nonstop2h 11mAir Canada
Fri 16/55:25 p.m.YOW - ORD
Nonstop2h 29mAir Canada
Deal found 25/3C$ 655
Sat 14/61:40 p.m.ORD - YOW
1 stop25h 40mWestJet
Sat 21/66:10 a.m.YOW - ORD
1 stop31h 29mWestJet
Deal found 23/3C$ 752
Fri 25/47:00 a.m.ORD - YOW
1 stop6h 27mUnited Airlines
Mon 5/510:37 a.m.YOW - ORD
Nonstop2h 26mUnited Airlines
Deal found 24/3C$ 807
Tue 6/59:30 a.m.ORD - YOW
2 stops13h 52mDelta
Tue 13/55:55 a.m.YOW - ORD
2 stops13h 42mDelta
Deal found 23/3C$ 1,148

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 25 March 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

Fri 9/5

5:30 p.m.-1:03 p.m.

1 stop18h 33m

Ottawa

Mon 12/5

4:10 p.m.-7:27 a.m.

1 stop16h 17m

C$ 517

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Fri 9/5

2:22 p.m.-5:33 p.m.

Nonstop2h 11m

Ottawa

Fri 16/5

5:25 p.m.-6:54 p.m.

Nonstop2h 29m

C$ 655

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Sat 14/6

1:40 p.m.-4:20 p.m.

1 stop25h 40m

Ottawa

Sat 21/6

6:10 a.m.-12:39 p.m.

1 stop31h 29m

C$ 752

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Sat 14/6

2:16 p.m.-5:29 p.m.

Nonstop2h 13m

Ottawa

Mon 23/6

5:25 p.m.-6:53 p.m.

Nonstop2h 28m

C$ 805

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Tue 6/5

9:30 a.m.-12:22 a.m.

2 stops13h 52m

Ottawa

Tue 13/5

5:55 a.m.-6:37 p.m.

2 stops13h 42m

C$ 1,148

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Wed 9/4

5:55 a.m.-3:55 p.m.

1 stop9h 00m

C$ 206

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Sun 25/5

6:15 p.m.-9:35 p.m.

Nonstop2h 20m

C$ 370

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/3

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$ 224). Flying from Chicago O'Hare Intl Airport to Ottawa in December is currently the most expensive (average of C$ 326). 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 25 March 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 40% on flights from Chicago O'Hare Intl Airport to Ottawa by exploring options for tickets in the afternoon.

Rainfall in Ottawa by month

Plan your trip to Ottawa by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ottawa ranges from 50.0 - 93.0 mm per month. June is typically the wettest month, when rainfall can reach 93.0 mm. February is typically the driest time to visit Ottawa when rainfall is around 50.0 mm.

Temperature in Ottawa by month

Plan your trip to Ottawa by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ottawa, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -10.0 C).

Reviews of airlines servicing Ottawa

Get insights into the airlines that provide service to Ottawa. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ottawa. Reviews last updated 25 March 2025.
Read reviews from past customers who have flown Delta, United Airlines and WestJet from Chicago to Ottawa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 9 daily inbound flights from Chicago O'Hare Intl from 0 different airlines.

  • What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Ottawa round-trip?

    Air Canada, at C$ 655, was found to be the cheapest airline from Chicago O'Hare Intl Airport to Ottawa.Alternate airlines to your destination round-trip include WestJet and United Airlines. Air Canada is currently priced 22% below the average price you’ll pay for this route.

  • 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%), Emirates (89%), Republic Airways( 89%).

  • 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$ 680, our data indicates the cheapest price to be C$ 212. The most popular route (Chicago O'Hare Intl - Ottawa), is priced around C$ 430.

  • 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$ 224). Flying from Chicago O'Hare Intl Airport to Ottawa in December is currently the most expensive (average of C$ 326). 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 Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Gatineau
Perth
Smiths Falls
Prescott
Brockville
Wakefield
Lanark

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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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