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

Flying on Porter Airlines is currently your cheapest option to Ottawa, with prices starting at $259. Additional round-trip tickets that might be worth considering are offered by Air Canada and WestJet, with the lowest prices starting at $478 and $555, respectively. Porter Airlines is 47% cheaper than the average price of flights available within the next 90 days to this destination.

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

The cheapest airline one-way is Porter Airlines, with whom users have recently found tickets for as low as $115. However, be on the lookout for offers from APG Airlines and Air Canada, as they are both options that can get you from Chicago to Ottawa for a low price.

What is the cheapest day to fly from Chicago to Ottawa?

Travelers seeking maximum savings on their Chicago to Ottawa flight should consider departing on Thursday mornings when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

What are the cheapest flights from Chicago to Ottawa?

While on average a flight from Chicago to Ottawa is generally $466, our data shows the cheapest flight currently is $106. When looking at the most popular route, (Chicago O'Hare Intl - Ottawa), you can expect to pay $329 for that flight.

What are the most reliable airlines from Chicago to Ottawa?

The top 3 most reliable airlines when flying from Chicago to Ottawa are Avianca (87%), Republic Airways (86%) and ANA (84%).

What is the cheapest day to fly round-trip from Chicago to Ottawa?

Monday flights are generally found to be more expensive for flights from Chicago to Ottawa. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Ottawa.

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

To save on the cost of your flight from Chicago to Ottawa, book at least 54 days before your planned departure. Booking around this time can save you about 119% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $478 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $608.

What is the cheapest month to fly from Chicago to Ottawa?

Our data shows that July tends to be the cheapest month to fly to Ottawa from Chicago. Users have commonly found prices around $495 for the month, but tickets can be as low as $290. Due to multiple factors, prepare for potentially higher prices in November.

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 eDreams the most. eDreams 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.

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. 3 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 12 inbound flights from Chicago per day.

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.

$115+ Flights from Chicago to Ottawa

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Find cheap flights from Chicago to Ottawa with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

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

Cheap flight deals from Chicago to Ottawa

Most accurate provider	FlightHub 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$259 (Kiwi.com)
One-way from	$115 (oojo)
Popular in	November
Cheapest in	July
Average price	$486
Good round-trip deal	$257 or less
Good one-way deal	$287 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. 4% potential increase in price ($25 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

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

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 April 17, 2025.

Wed 4/305:35 pmMDW - YOW

1 stop3h 54mPorter Airlines

Thu 5/812:35 pmYOW - MDW

1 stop4h 49mPorter Airlines

Deal found 4/16

$259

Mon 5/55:55 amORD - YOW

2 stops27h 26mMultiple Airlines

Tue 5/64:10 pmYOW - ORD

1 stop16h 17mMultiple Airlines

Deal found 4/16

$329

Sat 5/109:40 amMDW - YOW

1 stop26h 19mMultiple Airlines

Sun 5/114:10 pmYOW - MDW

2 stops17h 35mMultiple Airlines

Deal found 4/16

$439

Sun 6/16:30 pmORD - YOW

1 stop6h 04mAir Canada

Sun 6/810:37 amYOW - ORD

Nonstop2h 19mAir Canada

Deal found 4/17

$478

Tue 6/105:30 pmORD - YOW

1 stop12h 15mWestJet

Wed 6/186:00 amYOW - ORD

1 stop11h 44mWestJet

Deal found 4/16

$534

Fri 7/181:56 pmORD - YOW

Nonstop2h 10mUnited Airlines

Mon 7/215:25 pmYOW - ORD

Nonstop2h 28mUnited Airlines

Deal found 4/15

$563

Tue 5/610:10 amORD - YOW

2 stops13h 12mDelta

Tue 5/205:55 amYOW - ORD

2 stops26h 54mDelta

Deal found 4/17

$816

Tue 6/109:24 amMDW - YOW

2 stops13h 58mDelta

Wed 6/185:55 amYOW - MDW

2 stops13h 46mDelta

Deal found 4/16

$841

Sat 5/1012:48 pmMDW - YOW

2 stops15h 37mWestJet

Sun 5/117:50 amYOW - MDW

2 stops26h 50mWestJet

Deal found 4/16

$1,094

Best flights from Chicago to Ottawa
Discover carefully curated flight deals from Chicago to Ottawa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 17, 2025.

Wed 4/305:35 pmMDW - YOW

1 stop3h 54mPorter Airlines

Thu 5/812:35 pmYOW - MDW

1 stop4h 49mPorter Airlines

Deal found 4/16

$259

Sun 5/2512:26 pmORD - YOW

2 stops10h 55mMultiple Airlines

Wed 5/2811:00 amYOW - ORD

1 stop21h 27mMultiple Airlines

Deal found 4/16

$348

Sun 6/16:30 pmORD - YOW

1 stop6h 04mAir Canada

Sun 6/810:37 amYOW - ORD

Nonstop2h 19mAir Canada

Deal found 4/17

$478

Fri 7/45:30 pmORD - YOW

1 stop20h 26mWestJet

Tue 7/86:10 amYOW - ORD

1 stop31h 29mWestJet

Deal found 4/17

$555

Sun 5/2510:56 amORD - YOW

Nonstop2h 08mUnited Airlines

Wed 5/285:25 pmYOW - ORD

Nonstop2h 28mUnited Airlines

Deal found 4/16

$563

Tue 5/610:10 amORD - YOW

2 stops13h 12mDelta

Tue 5/205:55 amYOW - ORD

2 stops15h 26mDelta

Deal found 4/17

$816

Sat 5/109:40 amMDW - YOW

1 stop26h 19mMultiple Airlines

Sun 5/114:10 pmYOW - MDW

2 stops17h 35mMultiple Airlines

Deal found 4/16

$439

Tue 6/109:24 amMDW - YOW

2 stops13h 58mDelta

Wed 6/185:55 amYOW - MDW

2 stops13h 46mDelta

Deal found 4/16

$841

Sat 5/1012:48 pmMDW - YOW

2 stops15h 37mWestJet

Sun 5/117:50 amYOW - MDW

2 stops26h 50mWestJet

Deal found 4/16

$1,094

Last-minute flights from Chicago to Ottawa
Discover last-minute flight deals from Chicago to Ottawa. Data last updated April 17, 2025 and is based on user searches.

Thu 4/245:35 pmMDW - YOW

1 stop3h 54mPorter Airlines

Thu 5/112:35 pmYOW - MDW

1 stop4h 49mPorter Airlines

Deal found 4/16

$463

Thu 4/249:40 amORD - YOW

1 stop4h 29mAir Canada

Thu 5/16:30 amYOW - ORD

1 stop4h 31mAir Canada

Deal found 4/16

$722

Thu 4/241:56 pmORD - YOW

Nonstop2h 10mUnited Airlines

Thu 5/15:25 pmYOW - ORD

Nonstop2h 29mUnited Airlines

Deal found 4/16

$1,055

Fri 4/252:20 pmORD - YOW

2 stops8h 49mMultiple Airlines

Tue 4/294:20 pmYOW - ORD

1 stop9h 00mMultiple Airlines

Deal found 4/17

$458

Fri 4/258:50 amORD - YOW

2 stops14h 19mDelta

Thu 5/15:55 amYOW - ORD

2 stops11h 13mDelta

Deal found 4/17

$1,165

Fri 4/2511:15 amORD - YOW

2 stops11h 54mWestJet

Thu 5/15:55 amYOW - ORD

2 stops7h 44mWestJet

Deal found 4/16

$1,170

Fri 4/2510:20 amMDW - YOW

2 stops12h 49mDelta

Thu 5/15:55 amYOW - MDW

2 stops13h 25mDelta

Deal found 4/17

$1,240

Wed 4/305:35 pmMDW - YOW

1 stop3h 54mPorter Airlines

Thu 5/812:35 pmYOW - MDW

1 stop4h 49mPorter Airlines

Deal found 4/16

$259

Mon 5/55:55 amORD - YOW

2 stops27h 26mMultiple Airlines

Tue 5/64:10 pmYOW - ORD

1 stop16h 17mMultiple Airlines

Deal found 4/16

$329

Tue 5/610:10 amORD - YOW

2 stops13h 12mDelta

Tue 5/205:55 amYOW - ORD

2 stops26h 54mDelta

Deal found 4/17

$816

Sat 5/109:40 amMDW - YOW

1 stop26h 19mMultiple Airlines

Sun 5/114:10 pmYOW - MDW

2 stops17h 35mMultiple Airlines

Deal found 4/16

$439

Sat 5/1012:48 pmMDW - YOW

2 stops15h 37mWestJet

Sun 5/117:50 amYOW - MDW

2 stops26h 50mWestJet

Deal found 4/16

$1,094

One-way flights from Chicago to Ottawa
Search for one-way flight options from Chicago to Ottawa. Find affordable one-way fares based on user searches. Data last updated April 17, 2025.

Tue 5/69:40 amMDW - YOW

1 stop5h 53mPorter Airlines

Deal found 4/16

$115

Tue 5/139:08 pmORD - YOW

1 stop16h 48mMultiple Airlines

Deal found 4/16

$125

Sat 5/319:40 amMDW - YOW

1 stop7h 33mAPG Airlines

Deal found 4/16

$149

Sat 5/316:30 pmORD - YOW

1 stop6h 04mAir Canada

Deal found 4/16

$228

Wed 4/3010:53 amORD - YOW

Nonstop2h 11mUnited Airlines

Deal found 4/16

$378

Sat 5/319:16 amMDW - YOW

2 stops14h 06mDelta

Deal found 4/16

$433

Mon 5/269:20 amMDW - YOW

2 stops14h 22mWestJet

Deal found 4/16

$511

Cheapflights Fare Finder

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

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Wed 4/30

5:35 pm-10:29 pm

1 stop3h 54m

Ottawa

Thu 5/8

12:35 pm-4:24 pm

1 stop4h 49m

$259

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Mon 5/5

5:55 am-10:21 am

2 stops27h 26m

Ottawa

Tue 5/6

4:10 pm-7:27 am

1 stop16h 17m

$329

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Sat 5/10

9:40 am-12:59 pm

1 stop26h 19m

Ottawa

Sun 5/11

4:10 pm-8:45 am

2 stops17h 35m

$439

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Sun 6/1

6:30 pm-1:34 am

1 stop6h 04m

Ottawa

Sun 6/8

10:37 am-11:56 am

Nonstop2h 19m

$478

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Tue 6/10

5:30 pm-6:45 am

1 stop12h 15m

Ottawa

Wed 6/18

6:00 am-4:44 pm

1 stop11h 44m

$534

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Fri 7/18

1:56 pm-5:06 pm

Nonstop2h 10m

Ottawa

Mon 7/21

5:25 pm-6:53 pm

Nonstop2h 28m

$563

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Tue 5/6

10:10 am-12:22 am

2 stops13h 12m

Ottawa

Tue 5/20

5:55 am-7:49 am

2 stops26h 54m

$816

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Tue 6/10

9:24 am-12:22 am

2 stops13h 58m

Ottawa

Wed 6/18

5:55 am-6:41 pm

2 stops13h 46m

$841

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Sat 5/10

12:48 pm-5:25 am

2 stops15h 37m

Ottawa

Sun 5/11

7:50 am-9:40 am

2 stops26h 50m

$1,094

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Tue 5/6

9:40 am-4:33 pm

1 stop5h 53m

$115

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 16 results

Compare providers for flights from Chicago to Ottawa

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Ottawa in April.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
Expedia	Price Accuracy1 star	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust 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 eDreams the most. eDreams 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

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

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, January is the cheapest month in which you can book a flight from Chicago to Ottawa (average of $294). Flying from Chicago to Ottawa in May is currently the most expensive (average of $460). 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?

It’s typically best to fly out from Chicago to Ottawa in the morning. Doing so could potentially save you 28% on the flight price compared to flying in the afternoon, which is usually more expensive.

Weekly flight availability from Chicago to Ottawa

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

In terms of precipitation, rainfall in Ottawa ranges from 2.0 - 3.7 inches per month. June is typically the wettest month, when rainfall can reach 3.7 in. February is typically the driest time to visit Ottawa when rainfall is around 2.0 in.

Temperature in Ottawa 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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 F).

Reviews of airlines servicing Ottawa

Read through reviews of airlines operating flights from Chicago to Ottawa, such as Porter Airlines, Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Porter Airlines

8.0

Very good

281 reviews

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

281 reviews

Porter Airlines

8.0

Very good

281 reviews

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

7,917 reviews

Porter Airlines

8.0

Very good

281 reviews

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

8,667 reviews

Porter Airlines

8.0

Very good

281 reviews

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

2,809 reviews

Porter Airlines

8.0

Very good

281 reviews

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

9,142 reviews

Porter Airlines

8.0

Very good

281 reviews

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

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. 3 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 12 inbound flights from Chicago per day.
What are the cheapest airlines flying from Chicago to Ottawa round-trip?
Flying on Porter Airlines is currently your cheapest option to Ottawa, with prices starting at $259. Additional round-trip tickets that might be worth considering are offered by Air Canada and WestJet, with the lowest prices starting at $478 and $555, respectively. Porter Airlines is 47% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from Chicago to Ottawa one-way?
The cheapest airline one-way is Porter Airlines, with whom users have recently found tickets for as low as $115. However, be on the lookout for offers from APG Airlines and Air Canada, as they are both options that can get you from Chicago to Ottawa for a low price.
What are the most reliable airlines from Chicago to Ottawa?
The top 3 most reliable airlines when flying from Chicago to Ottawa are Avianca (87%), Republic Airways (86%) and ANA (84%).
What are the cheapest flights from Chicago to Ottawa?
While on average a flight from Chicago to Ottawa is generally $466, our data shows the cheapest flight currently is $106. When looking at the most popular route, (Chicago O'Hare Intl - Ottawa), you can expect to pay $329 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, January is the cheapest month in which you can book a flight from Chicago to Ottawa (average of $294). Flying from Chicago to Ottawa in May is currently the most expensive (average of $460). 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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Alternative routes for Chicago to Ottawa

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Other flights to Ottawa

Top 3 airlines flying from Chicago to Ottawa

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$236	Average$502	FlexibilityNo cancel fee	On-time67%
United Airlines	Cheapest$236	Average$698	FlexibilityNo cancel fee	On-time69%
Porter Airlines	Cheapest$250	Average$460	FlexibilityNo cancel fee	On-time52%

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$115+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Chicago to Ottawa with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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

Cheap flight deals from Chicago to Ottawa

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Chicago to Ottawa

Cheapest flights from Chicago to OttawaExplore 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 April 17, 2025.

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 April 17, 2025.

Cheapflights Fare Finder

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

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 April.

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.

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 April 11, 2025.

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

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 April 17, 2025.

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 April 17, 2025.

Rainfall in Ottawa by month

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

Temperature in Ottawa by month

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

Reviews of airlines servicing Ottawa

Read through reviews of airlines operating flights from Chicago to Ottawa, such as Porter Airlines, Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

What are the most reliable airlines from Chicago to Ottawa?

What are the cheapest flights from Chicago to Ottawa?

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

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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 April 17, 2025.