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Cheap flights from Chicago to Ottawa from C$ 250

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 17/6. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — YOW
6 Jun — 13 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Chicago to Ottawa

Enter your travel dates to find the best prices.

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 7 May 2026.

Sat 30/510:30 a.m.
MDW
-
YOW
1 stop7h 44m
Porter Airlines
Sun 7/67:00 a.m.
YOW
-
MDW
1 stop8h 35m
Porter Airlines
Deal found 2/5C$ 524
Sat 30/510:30 a.m.
MDW
-
YOW
1 stop7h 44m
Porter Airlines
Sat 6/63:30 p.m.
YOW
-
MDW
1 stop24h 05m
Porter Airlines
Deal found 2/5C$ 525
Mon 1/610:15 a.m.
MDW
-
YOW
1 stop4h 44m
Multiple Airlines
Mon 8/66:55 a.m.
YOW
-
MDW
1 stop8h 40m
Multiple Airlines
Deal found 3/5C$ 546
Sun 31/510:30 a.m.
MDW
-
YOW
1 stop10h 14m
Multiple Airlines
Sun 7/66:55 a.m.
YOW
-
MDW
1 stop8h 40m
Multiple Airlines
Deal found 3/5C$ 549
Wed 3/610:15 a.m.
MDW
-
YOW
1 stop13h 05m
Multiple Airlines
Wed 10/66:55 a.m.
YOW
-
MDW
1 stop27h 40m
Multiple Airlines
Deal found 5/5C$ 554
Sun 7/610:15 a.m.
MDW
-
YOW
1 stop3h 39m
Porter Airlines
Mon 15/611:00 a.m.
YOW
-
MDW
1 stop4h 35m
Porter Airlines
Deal found 3/5C$ 555
Sun 31/510:30 a.m.
MDW
-
YOW
1 stop27h 24m
Porter Airlines
Sat 6/63:30 p.m.
YOW
-
MDW
1 stop24h 05m
Porter Airlines
Deal found 2/5C$ 559
Thu 4/67:25 a.m.
ORD
-
YOW
1 stop11h 39m
Multiple Airlines
Sun 7/67:00 a.m.
YOW
-
ORD
1 stop7h 10m
Multiple Airlines
Deal found 3/5C$ 559
Thu 4/610:15 a.m.
MDW
-
YOW
1 stop3h 39m
Multiple Airlines
Sun 7/66:55 a.m.
YOW
-
MDW
1 stop27h 40m
Multiple Airlines
Deal found 5/5C$ 566
Thu 4/63:20 p.m.
MDW
-
YOW
1 stop20h 34m
Porter Airlines
Sun 7/68:40 a.m.
YOW
-
MDW
1 stop25h 55m
Porter Airlines
Deal found 3/5C$ 576
Thu 4/610:15 a.m.
MDW
-
YOW
1 stop6h 39m
Porter Airlines
Sat 6/63:30 p.m.
YOW
-
MDW
1 stop24h 05m
Porter Airlines
Deal found 3/5C$ 600
Mon 1/610:15 a.m.
MDW
-
YOW
1 stop27h 39m
Porter Airlines
Thu 4/68:00 a.m.
YOW
-
MDW
1 stop7h 35m
Porter Airlines
Deal found 6/5C$ 603

Find 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 7 May 2026.

Round-trip from

C$ 524

One-way from

C$ 250

Popular in

February

Cheapest in

April

Average price

C$ 753

Good one-way deal

C$ 459 or less
Porter Airlines
  • Porter Airlines
  • 30/5-7/6
  • 2 total stops
  • 16h 19m total
  • Chicago to Ottawa
Search Deals
Porter Airlines
  • Porter Airlines
  • 17/6
  • 1 total stop
  • 6h 39m total
  • Chicago to Ottawa
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (C$ 266 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 55 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a one-way flight from Chicago (CHI) to Ottawa.
Search Deals

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 7 May 2026.
Use the filters below to find and compare flights from Chicago to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Fri 5/6

9:23 p.m.-4:53 p.m.

2 stops18h 30m

Ottawa

Fri 12/6

5:55 p.m.-9:35 a.m.

1 stop16h 40m

C$ 678

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Wed 15/7

3:20 p.m.-12:20 a.m.

1 stop8h 00m

Ottawa

Tue 21/7

6:55 a.m.-2:35 p.m.

1 stop8h 40m

C$ 747

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Mon 13/7

12:11 p.m.-12:20 p.m.

2 stops23h 09m

Ottawa

Wed 15/7

11:00 a.m.-2:35 p.m.

1 stop4h 35m

C$ 770

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Thu 18/6

3:20 p.m.-9:44 p.m.

1 stop5h 24m

Ottawa

Mon 29/6

11:00 a.m.-2:35 p.m.

1 stop4h 35m

C$ 781

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Wed 17/6

10:15 a.m.-5:54 p.m.

1 stop6h 39m

Ottawa

Mon 22/6

11:00 a.m.-2:35 p.m.

1 stop4h 35m

C$ 783

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Thu 4/6

3:20 p.m.-8:04 p.m.

1 stop3h 44m

Ottawa

Mon 8/6

11:00 a.m.-2:35 p.m.

1 stop4h 35m

C$ 821

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Fri 22/5

10:30 a.m.-8:04 p.m.

1 stop8h 34m

Ottawa

Tue 26/5

11:00 a.m.-2:35 p.m.

1 stop4h 35m

C$ 822

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Thu 25/6

3:20 p.m.-9:44 p.m.

1 stop5h 24m

Ottawa

Mon 29/6

6:25 p.m.-12:46 p.m.

2 stops19h 21m

C$ 882

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Sat 30/5

7:13 p.m.-5:35 p.m.

2 stops21h 22m

Ottawa

Sun 7/6

6:55 a.m.-6:31 p.m.

2 stops12h 36m

C$ 950

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Tue 11/8

5:00 a.m.-4:15 p.m.

1 stop10h 15m

Ottawa

Sat 15/8

2:48 p.m.-11:16 p.m.

1 stop9h 28m

C$ 969

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/5

Showing 1-10 of 40 resultsSorted by cheapest first
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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

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

Currently, June is the cheapest month in which you can book a flight from Chicago to Ottawa (average of C$ 173). Flying from Chicago to Ottawa in February is currently the most expensive (average of C$ 943). 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 7 May 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Chicago to Ottawa as you normally would.

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 7 May 2026.

The most flights from CHI to YOW are scheduled on a Monday (12 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (11 on average).

How much does it cost to fly round-trip from Chicago to Ottawa?

How often are flights from Chicago to Ottawa delayed?

About 15% of weekly flights between Chicago and Ottawa have experienced delays in the past year, with the average delay time being 139 minutes.

What is the most punctual flight time for Chicago to Ottawa flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Friday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Chicago to Ottawa flights?

Over the past year, United Airlines has had the lowest number of delays on this route, with just 15% of flights being delayed.

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 11 flights from Chicago to Ottawa per day from 0 different airlines.

  • How long is the flight from Chicago to Ottawa?

    Airlines like Porter Airlines and United Airlines fly from Chicago to Ottawa in about 5h 24m. The time it takes to get you to your destination can typically vary by up to 4h 51m. Airlines will cover a distance of 1048 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    Consider Republic Airways (73%), ANA (69%) or Air Canada (69%) 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$ 459 for a flight from Chicago to Ottawa. The cheapest flight overall is C$ 459 while the most popular route, (Chicago O'Hare Intl - Ottawa) is currently priced at C$ 607.

  • 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, June is the cheapest month in which you can book a flight from Chicago to Ottawa (average of C$ 173). Flying from Chicago to Ottawa in February is currently the most expensive (average of C$ 943). 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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