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Cheap flights from Chicago to Ottawa from C$ 153

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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — YOW
30 Apr — 7 May1
1 adult

Cheapflights Tip: The best prices from Chicago to Ottawa are usually found in July or January, booked 58 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Chicago to Ottawa

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) 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 April 2025.

Round-trip from

C$ 313

One-way from

C$ 153

Popular in

November

Cheapest in

July

Average price

C$ 675

Good round-trip deal

C$ 675 or less
Porter Airlines
  • Porter Airlines
  • 24/5-1/6
  • 2 total stops
  • 12h 52m total
  • Chicago to Ottawa
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APG Airlines
  • APG Airlines
  • 2/6
  • 1 total stop
  • 5h 53m total
  • Chicago to Ottawa
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 48 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 18 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Chicago (CHI) to Ottawa.
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Find flight deals from Chicago to Ottawa

Cheapest flights from Chicago to Ottawa
Explore the most affordable flight options available from Chicago to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 April 2025.

Sat 24/59:40 a.m.MDW - YOW
1 stop7h 33mPorter Airlines
Sun 1/612:35 p.m.YOW - MDW
1 stop5h 19mPorter Airlines
Deal found 25/4C$ 313
Sat 24/56:30 p.m.ORD - YOW
1 stop6h 04mAir Canada
Sun 1/66:00 a.m.YOW - ORD
1 stop4h 52mAir Canada
Deal found 25/4C$ 384
Sat 14/69:45 p.m.ORD - YOW
1 stop10h 26mMultiple Airlines
Sun 15/611:55 a.m.YOW - ORD
1 stop4h 10mMultiple Airlines
Deal found 25/4C$ 410
Mon 9/66:15 p.m.ORD - YOW
Nonstop2h 20mUnited Airlines
Mon 16/65:25 p.m.YOW - ORD
Nonstop2h 28mUnited Airlines
Deal found 24/4C$ 420
Fri 18/79:40 a.m.MDW - YOW
1 stop7h 28mMultiple Airlines
Mon 21/712:35 p.m.YOW - MDW
1 stop4h 49mMultiple Airlines
Deal found 25/4C$ 550
Tue 16/95:30 p.m.ORD - YOW
2 stops21h 49mWestJet
Tue 23/912:20 p.m.YOW - ORD
2 stops25h 19mWestJet
Deal found 24/4C$ 817
Thu 3/712:44 p.m.MDW - YOW
2 stops10h 38mDelta
Thu 10/75:55 a.m.YOW - MDW
2 stops7h 35mDelta
Deal found 25/4C$ 914
Fri 18/78:55 a.m.ORD - YOW
2 stops14h 27mDelta
Mon 21/75:55 a.m.YOW - ORD
2 stops13h 45mDelta
Deal found 25/4C$ 1,039
Sat 14/612:44 p.m.MDW - YOW
2 stops10h 38mWestJet
Sun 15/66:10 a.m.YOW - MDW
2 stops16h 35mWestJet
Deal found 25/4C$ 1,517

Cheapflights Fare Finder

Customize your flight search to find flights from Chicago 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 April 2025.
Use the filters below to find and compare flights from Chicago to Ottawa that are best for you.

Fly from

Chicago

Fly to

Ottawa

Route

Depart

Return

Price

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Sat 24/5

9:40 a.m.-6:13 p.m.

1 stop7h 33m

Ottawa

Sun 1/6

12:35 p.m.-4:54 p.m.

1 stop5h 19m

C$ 313

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Sun 8/6

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

Nonstop2h 20m

Ottawa

Sun 15/6

6:00 a.m.-9:52 a.m.

1 stop4h 52m

C$ 366

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Sat 14/6

9:45 p.m.-9:11 a.m.

1 stop10h 26m

Ottawa

Sun 15/6

11:55 a.m.-3:05 p.m.

1 stop4h 10m

C$ 410

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Tue 24/6

9:31 p.m.-1:10 p.m.

2 stops14h 39m

Ottawa

Wed 25/6

3:17 p.m.-10:12 p.m.

1 stop7h 55m

C$ 431

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Fri 18/7

9:40 a.m.-6:08 p.m.

1 stop7h 28m

Ottawa

Mon 21/7

12:35 p.m.-4:24 p.m.

1 stop4h 49m

C$ 550

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Tue 24/6

2:25 p.m.-12:22 a.m.

2 stops8h 57m

Ottawa

Wed 25/6

5:55 a.m.-12:55 p.m.

2 stops8h 00m

C$ 727

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Wed 9/7

8:55 a.m.-12:22 a.m.

2 stops14h 27m

Ottawa

Fri 11/7

5:55 a.m.-12:38 p.m.

2 stops7h 43m

C$ 910

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Thu 3/7

12:44 p.m.-12:22 a.m.

2 stops10h 38m

Ottawa

Thu 10/7

5:55 a.m.-12:30 p.m.

2 stops7h 35m

C$ 914

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Sat 14/6

12:44 p.m.-12:22 a.m.

2 stops10h 38m

Ottawa

Sun 15/6

6:10 a.m.-9:45 p.m.

2 stops16h 35m

C$ 1,517

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Mon 2/6

9:40 a.m.-4:33 p.m.

1 stop5h 53m

C$ 153

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/4

Showing 1-10 of 18 results
1
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Best time to book a flight from Chicago to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from Chicago 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 to Ottawa

How far ahead should I book a flight from Chicago to Ottawa?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Ottawa. Price data was last updated on 18 April 2025.

To ensure you get the cheapest price possible for a flight from Chicago to Ottawa, you should look to book at least 53 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Chicago to Ottawa?

Currently, October is the cheapest month in which you can book a flight from Chicago to Ottawa (average of C$ 224). Flying from Chicago 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 CHI to YOW?

Find hourly flight availability from Chicago 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 April 2025.

When flying from Chicago to Ottawa, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 40% versus a flight in the morning.

Weekly flight availability from Chicago to Ottawa

Explore weekly flight availability from Chicago to Ottawa. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 25 April 2025.

The most flights from CHI to YOW are scheduled on a Monday (13 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 on average).

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 April 2025.
Read reviews from past customers who have flown Porter Airlines, Delta and United Airlines from Chicago to Ottawa. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
285 reviews
Check prices

Entertainment

7.0

Comfort

8.1

Crew

8.8

Boarding

8.2

Food

7.6

Overall

8.0

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
Porter Airlines
8.0
Very good
285 reviews
Porter Airlines
8.0
Very good
285 reviews
Check prices

Entertainment

7.0

Comfort

8.1

Crew

8.8

Boarding

8.2

Food

7.6

Overall

8.0

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
Delta
8.0
Very good
7,920 reviews
Porter Airlines
8.0
Very good
285 reviews
Check prices

Entertainment

7.0

Comfort

8.1

Crew

8.8

Boarding

8.2

Food

7.6

Overall

8.0

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
United Airlines
7.4
Good
8,685 reviews
Porter Airlines
8.0
Very good
285 reviews
Check prices

Entertainment

7.0

Comfort

8.1

Crew

8.8

Boarding

8.2

Food

7.6

Overall

8.0

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
WestJet
7.2
Good
2,818 reviews
Porter Airlines
8.0
Very good
285 reviews
Check prices

Entertainment

7.0

Comfort

8.1

Crew

8.8

Boarding

8.2

Food

7.6

Overall

8.0

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
Air Canada
7.0
Good
9,207 reviews
Porter Airlines
8.0
Very good
285 reviews
Check prices

Entertainment

7.0

Comfort

8.1

Crew

8.8

Boarding

8.2

Food

7.6

Overall

8.0

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you

Related info for your journey

Find useful and relevant information for your journey from Chicago 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?

    If you book a flight to Ottawa from Chicago, you will be flying to Ottawa, which is the city’s only airport. Ottawa (YOW) is located 10.6 km from the centre of Ottawa. There are 12 flights from Chicago to Ottawa per day from 0 different airlines.

  • What are the cheapest airlines flying from Chicago to Ottawa round-trip?

    According to our current data, Porter Airlines (C$ 313), Air Canada (C$ 366), and United Airlines (C$ 431) offers the cheapest pricing from Chicago to Ottawa. Porter Airlines is priced at 54% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Chicago to Ottawa one-way?

    To fly one-way, consider booking your trip with APG Airlines, which is currently one of the cheapest options available, starting at C$ 153. Porter Airlines flights start at C$ 154 while deals on Air Canada start at C$ 164 one-way.

  • What are the most reliable airlines from Chicago to Ottawa?

    Consider Avianca (87%), Republic Airways (86%) or ANA (84%) when booking your flight. These represent the most reliable airlines when flying from Chicago to Ottawa.

  • What are the cheapest flights from Chicago to Ottawa?

    On average you can expect to pay C$ 769 for a flight from Chicago to Ottawa. The cheapest flight overall is C$ 463 while the most popular route, (Chicago O'Hare Intl - Ottawa) is currently priced at C$ 383.

  • Can I find deals for flights from Chicago to Ottawa that include hotel bookings?

    Yes. In addition to deals on Chicago to Ottawa flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Ottawa?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Ottawa.

  • Can I find deals for business class flights from Chicago to Ottawa?

    Yes. Cheapflights offers flight deals from Chicago 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 to Ottawa?

    Currently, October is the cheapest month in which you can book a flight from Chicago to Ottawa (average of C$ 224). Flying from Chicago 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

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