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$154+ Cheap flights from Chicago (CHI) to Ottawa (YOW)

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 5/30. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — YOW
Jun 4 — Jun 111
Thu 6/4
Thu 6/11
1 adult, Economy
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Cheap 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 May 5, 2026.

This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3010:30 am
MDW
-
YOW
1 stop7h 44m
Porter Airlines
Sat 6/63:30 pm
YOW
-
MDW
1 stop24h 05m
Porter Airlines
Deal found 5/1$384
This Kiwi.com deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3010:30 am
MDW
-
YOW
1 stop7h 44m
Porter Airlines
Sun 6/77:00 am
YOW
-
MDW
1 stop8h 35m
Porter Airlines
Deal found 5/2$385
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/410:15 am
MDW
-
YOW
1 stop6h 39m
Porter Airlines
Sun 6/77:00 am
YOW
-
MDW
1 stop8h 35m
Porter Airlines
Deal found 5/1$394
This Kiwi.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/110:15 am
MDW
-
YOW
1 stop4h 44m
Multiple Airlines
Mon 6/86:55 am
YOW
-
MDW
1 stop8h 40m
Multiple Airlines
Deal found 5/3$401
This Kiwi.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/3110:30 am
MDW
-
YOW
1 stop10h 14m
Multiple Airlines
Sun 6/76:55 am
YOW
-
MDW
1 stop8h 40m
Multiple Airlines
Deal found 5/3$403
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/410:15 am
MDW
-
YOW
1 stop3h 39m
Porter Airlines
Sun 6/1411:00 am
YOW
-
MDW
1 stop4h 35m
Porter Airlines
Deal found 4/30$407
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/710:15 am
MDW
-
YOW
1 stop3h 39m
Porter Airlines
Fri 6/128:00 am
YOW
-
MDW
1 stop7h 35m
Porter Airlines
Deal found 5/1$408
This Mytrip deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/47:25 am
ORD
-
YOW
1 stop11h 39m
Multiple Airlines
Sun 6/77:00 am
YOW
-
ORD
1 stop7h 10m
Multiple Airlines
Deal found 5/3$411
This Kiwi.com deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/3110:30 am
MDW
-
YOW
1 stop27h 24m
Porter Airlines
Sat 6/63:30 pm
YOW
-
MDW
1 stop24h 05m
Porter Airlines
Deal found 5/2$411
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3010:30 am
MDW
-
YOW
1 stop7h 44m
Multiple Airlines
Sat 6/67:00 am
YOW
-
MDW
2 stops16h 02m
Multiple Airlines
Deal found 5/1$412
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/185:06 pm
ORD
-
YOW
1 stop18h 14m
Multiple Airlines
Tue 8/257:00 am
YOW
-
ORD
2 stops30h 25m
Multiple Airlines
Deal found 5/1$416
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/305:30 pm
ORD
-
YOW
2 stops29h 55m
Multiple Airlines
Sat 6/67:00 am
YOW
-
ORD
1 stop17h 15m
Multiple Airlines
Deal found 5/1$421

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 May 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$384
(Kiwi.com)

One-way from

$154
(Kiwi.com)

Popular in

February

Cheapest in

April

Average price

$553

Good round-trip deal

$553 or less

Good one-way deal

$337 or less
Provider with most accurate pricing for Chicago (CHI)-Ottawa flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Ottawa flights.
Search Deals
From Chicago (CHI) to Ottawa
Search Deals
One-way flight from Chicago (CHI) to Ottawa
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($143 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from Chicago (CHI) to Ottawa.
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 2,558,603 searches. Data last updated May 5, 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

Sat 5/30

10:30 am-7:14 pm

1 stop7h 44m

Ottawa

Sun 6/7

7:00 am-2:35 pm

1 stop8h 35m

$385

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Thu 7/23

3:20 pm-9:44 pm

1 stop5h 24m

Ottawa

Sun 7/26

11:00 am-2:35 pm

1 stop4h 35m

$532

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Wed 6/17

10:15 am-5:54 pm

1 stop6h 39m

Ottawa

Mon 6/22

11:00 am-2:35 pm

1 stop4h 35m

$575

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Thu 6/11

10:15 am-5:54 pm

1 stop6h 39m

Ottawa

Fri 6/12

6:25 pm-9:14 am

2 stops15h 49m

$593

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Thu 6/4

10:15 am-5:54 pm

1 stop6h 39m

Ottawa

Mon 6/8

11:00 am-2:35 pm

1 stop4h 35m

$603

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Sat 8/8

10:25 am-7:09 pm

1 stop7h 44m

Ottawa

Sun 8/9

11:00 am-2:35 pm

1 stop4h 35m

$612

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Tue 7/7

3:20 pm-9:44 pm

1 stop5h 24m

Ottawa

Sat 7/11

6:25 pm-10:05 am

2 stops16h 40m

$642

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Thu 6/25

10:25 am-5:54 pm

1 stop6h 29m

Ottawa

Sun 6/28

11:00 am-2:35 pm

1 stop4h 35m

$675

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Sat 8/1

6:00 am-10:05 pm

1 stop15h 05m

Ottawa

Sat 8/8

6:05 am-9:00 pm

1 stop15h 55m

$712

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Tue 8/11

5:00 am-4:15 pm

1 stop10h 15m

Ottawa

Sat 8/15

2:48 pm-11:16 pm

1 stop9h 28m

$712

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 40 resultsSorted by cheapest first
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Compare providers for flights from Chicago to Ottawa

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Ottawa in May.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago-Ottawa flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-Ottawa flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago-Ottawa flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-Ottawa flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Ottawa flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 $127). Flying from Chicago to Ottawa in February is currently the most expensive (average of $693). 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 May 5, 2026.

When flying from Chicago 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.

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 May 5, 2026.

The most flights from CHI to YOW are scheduled on a Monday (12 on average). You will have fewer flight options on Wednesday, 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 last year, United Airlines have had the lowest number of delays on this route, with just 15% 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 May 5, 2026.
Peruse reviews from past customers who have flown with Porter Airlines,United Airlines, andAir Canada from Chicago to Ottawa to help guide your decision. 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
436 reviews

Boarding

8.2

Crew

8.6

Entertainment

7.0

Food

7.6

Overall

8.0

Comfort

8.0

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
436 reviews
Porter Airlines
8.0
Very good
436 reviews

Boarding

8.2

Crew

8.6

Entertainment

7.0

Food

7.6

Overall

8.0

Comfort

8.0

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
9,683 reviews
Porter Airlines
8.0
Very good
436 reviews

Boarding

8.2

Crew

8.6

Entertainment

7.0

Food

7.6

Overall

8.0

Comfort

8.0

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.
Air Canada
7.1
Good
10,998 reviews
Porter Airlines
8.0
Very good
436 reviews

Boarding

8.2

Crew

8.6

Entertainment

7.0

Food

7.6

Overall

8.0

Comfort

8.0

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?

    Ottawa (YOW), located 6.6 mi from the city center, is the airport you fly into when you book flights from Chicago to Ottawa. 2 airlines have flights to Ottawa from Chicago on a regular basis. Booking flights from Chicago to Ottawa should not be difficult; the airport handles an average of 11 inbound flights from Chicago per day.

  • How long is the flight from Chicago to Ottawa?

    Porter Airlines and United Airlines can get you from Chicago to Ottawa in just under 7h 44m. Your travel time can differ by up to 7h 21m. The distance between Chicago and Ottawa is about 651 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Flying on Air Canada is currently your cheapest option to Ottawa, with prices starting at $181. Another option worth looking into is United Airlines, starting at $257 round trip. Air Canada is 67% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The top 3 most reliable airlines when flying from Chicago to Ottawa are Republic Airways (73%), ANA (69%) and Air Canada (69%).

  • What are the cheapest flights from Chicago to Ottawa?

    While on average a flight from Chicago to Ottawa is generally $741, our data shows the cheapest flight currently is $337. When looking at the most popular route, (Chicago O'Hare Intl - Ottawa), you can expect to pay $411 for that flight.

  • 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 $127). Flying from Chicago to Ottawa in February is currently the most expensive (average of $693). 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

Traveling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Petawawa

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Chicago to Ottawa

Discover the top 2 airlines that operate flights from Chicago to Ottawa. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$181Average$349FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$257Average$542FlexibilityNo cancel feeOn-time69%

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