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Cheap flights from Chicago to Ottawa from C$ 151

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 14/4. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — YOW
24 Apr — 1 May1
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 25 March 2026.

Mon 20/47:30 a.m.
MDW
-
YOW
1 stop8h 55m
Multiple Airlines
Sat 25/47:00 a.m.
YOW
-
MDW
2 stops12h 37m
Multiple Airlines
Deal found 24/3C$ 485
Mon 20/412:47 p.m.
ORD
-
YOW
1 stop27h 38m
Multiple Airlines
Sat 25/47:00 a.m.
YOW
-
ORD
1 stop15h 17m
Multiple Airlines
Deal found 24/3C$ 499
Fri 17/47:30 a.m.
MDW
-
YOW
1 stop8h 55m
Multiple Airlines
Sun 19/44:45 p.m.
YOW
-
MDW
2 stops21h 15m
Multiple Airlines
Deal found 20/3C$ 507
Thu 23/47:30 a.m.
MDW
-
YOW
1 stop8h 55m
Multiple Airlines
Sun 26/44:45 p.m.
YOW
-
MDW
2 stops21h 15m
Multiple Airlines
Deal found 20/3C$ 510
Fri 10/46:01 p.m.
ORD
-
YOW
1 stop17h 34m
Multiple Airlines
Mon 13/43:35 p.m.
YOW
-
ORD
2 stops9h 47m
Multiple Airlines
Deal found 22/3C$ 517
Fri 10/46:01 p.m.
ORD
-
YOW
1 stop17h 34m
Multiple Airlines
Thu 16/44:15 p.m.
YOW
-
ORD
1 stop31h 39m
Multiple Airlines
Deal found 22/3C$ 523
Mon 20/412:47 p.m.
ORD
-
YOW
1 stop27h 38m
Multiple Airlines
Fri 24/44:20 p.m.
YOW
-
ORD
1 stop17h 45m
Multiple Airlines
Deal found 21/3C$ 525
Mon 20/47:30 a.m.
MDW
-
YOW
1 stop8h 55m
Multiple Airlines
Mon 27/43:35 p.m.
YOW
-
MDW
2 stops22h 25m
Multiple Airlines
Deal found 22/3C$ 525
Fri 10/46:01 p.m.
ORD
-
YOW
1 stop17h 34m
Multiple Airlines
Tue 14/47:00 a.m.
YOW
-
ORD
1 stop15h 17m
Multiple Airlines
Deal found 22/3C$ 532
Sat 11/46:01 p.m.
ORD
-
YOW
1 stop17h 34m
Multiple Airlines
Mon 13/43:35 p.m.
YOW
-
ORD
2 stops9h 47m
Multiple Airlines
Deal found 22/3C$ 547
Fri 3/46:01 p.m.
ORD
-
YOW
1 stop17h 34m
Multiple Airlines
Thu 9/49:35 a.m.
YOW
-
ORD
1 stop9h 51m
Multiple Airlines
Deal found 24/3C$ 552

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 25 March 2026.

Round-trip from

C$ 485

One-way from

C$ 151

Popular in

February

Cheapest in

May

Average price

C$ 726
20/4-25/4
  • 20/4-25/4
  • 3 total stops
  • 21h 32m total
  • Chicago to Ottawa
Search Deals
14/4
  • 14/4
  • 1 total stop
  • 8h 55m total
  • Chicago to Ottawa
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (C$ 275 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (C$ 59 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
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 25 March 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

Thu 23/4

2:15 p.m.-12:35 p.m.

2 stops21h 20m

Ottawa

Sun 26/4

4:20 p.m.-8:04 a.m.

1 stop16h 44m

C$ 535

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Fri 10/4

6:01 p.m.-12:35 p.m.

1 stop17h 34m

Ottawa

Tue 14/4

7:00 a.m.-9:36 a.m.

1 stop27h 36m

C$ 569

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Mon 4/5

7:30 a.m.-5:54 p.m.

2 stops9h 24m

Ottawa

Mon 11/5

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

1 stop4h 35m

C$ 663

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Fri 22/5

3:20 p.m.-10:14 a.m.

1 stop17h 54m

Ottawa

Tue 26/5

8:45 p.m.-9:40 a.m.

1 stop13h 55m

C$ 719

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Fri 10/4

4:05 p.m.-10:29 p.m.

1 stop5h 24m

Ottawa

Tue 14/4

3:35 p.m.-10:15 a.m.

1 stop19h 40m

C$ 831

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Sat 2/5

10:30 a.m.-7:14 p.m.

1 stop7h 44m

Ottawa

Tue 5/5

3:30 p.m.-9:45 a.m.

1 stop19h 15m

C$ 879

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Fri 1/5

5:57 p.m.-12:46 a.m.

1 stop5h 49m

Ottawa

Tue 5/5

10:00 a.m.-3:43 p.m.

1 stop6h 43m

C$ 950

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Wed 1/7

10:25 a.m.-5:54 p.m.

1 stop6h 29m

Ottawa

Sat 4/7

9:35 a.m.-9:40 a.m.

1 stop25h 05m

C$ 989

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Thu 21/5

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

Nonstop2h 12m

Ottawa

Sun 31/5

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

Nonstop2h 27m

C$ 1,048

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Tue 9/6

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

Nonstop2h 13m

Ottawa

Sun 14/6

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

Nonstop2h 27m

C$ 1,048

Flights are sorted by cheapest round-trip flights first.

Deals found on 22/3

Showing 1-10 of 37 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, April is the cheapest month in which you can book a flight from Chicago to Ottawa (average of C$ 136). Flying from Chicago to Ottawa in July is currently the most expensive (average of C$ 389). 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 March 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.

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

How often are flights from Chicago to Ottawa delayed?

About 14% 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 in the evening are less likely to be delayed, whereas flights leaving at night 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 14% of flights being delayed.

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 2026.
Get a feel of what it's like to fly with Porter Airlines and United Airlines from Chicago to Ottawa by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
428 reviews
Check prices

Food

7.6

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Porter Airlines
8.0
Very good
428 reviews
Porter Airlines
8.0
Very good
428 reviews
Check prices

Food

7.6

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
United Airlines
7.4
Good
9,478 reviews
Porter Airlines
8.0
Very good
428 reviews
Check prices

Food

7.6

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.

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

  • How long is the flight from Chicago to Ottawa?

    Airlines like Porter Airlines, Air Canada, and United Airlines fly from Chicago to Ottawa in about 2h 12m. The time it takes to get you to your destination can typically vary by up to 15h 42m. Airlines will cover a distance of 1051 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 ANA (72%), Republic Airways (72%) or Emirates (68%) when booking your flight. These represent the most reliable airlines when flying from Chicago to Ottawa.

  • 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, April is the cheapest month in which you can book a flight from Chicago to Ottawa (average of C$ 136). Flying from Chicago to Ottawa in July is currently the most expensive (average of C$ 389). 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
Perth
Wakefield
Pembroke
Smiths Falls

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