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 $330. Additional round-trip tickets that might be worth considering are offered by Air Canada and United Airlines, with the lowest prices starting at $488 and $507, respectively. Porter Airlines is 32% 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 $167. However, be on the lookout for offers from WestJet 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 $629, our data shows the cheapest flight currently is $241. When looking at the most popular route, (Chicago O'Hare Intl - Ottawa), you can expect to pay $311 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 Emirates (87%), Republic Airways (81%) and Avianca (79%).

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

Saturday 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 59 days before your planned departure. Booking around this time can save you about 64% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $396 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $396.

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 $486 for the month, but tickets can be as low as $305. 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 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.

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 10 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.

$117+ 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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The best prices from Chicago to Ottawa are usually found in July or February, booked 58 days in advance, depart on a Wednesday or Tuesday and return on a Saturday

Cheap flight deals from Chicago to Ottawa

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$306 (Kiwi.com)
One-way from	$123 (Kiwi.com)
Popular in	November
Cheapest in	July
Average price	$437
Good round-trip deal	$241 or less
Good one-way deal	$268 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. 5% potential increase in price ($31 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in January 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 January 30, 2025.

Mon 2/105:35 amORD - YOW

1 stop8h 44mMultiple Airlines

Wed 2/195:55 amYOW - ORD

2 stops13h 18mMultiple Airlines

Deal found 1/29

$306

Thu 3/611:15 amMDW - YOW

1 stop4h 54mPorter Airlines

Mon 3/1011:50 amYOW - MDW

1 stop5h 50mPorter Airlines

Deal found 1/30

$330

Wed 2/261:05 pmMDW - YOW

1 stop4h 29mMultiple Airlines

Wed 3/58:40 amYOW - MDW

2 stops10h 43mMultiple Airlines

Deal found 1/29

$366

Thu 4/241:56 pmORD - YOW

Nonstop2h 10mAir Canada

Thu 5/110:37 amYOW - ORD

Nonstop2h 26mAir Canada

Deal found 1/30

$488

Thu 5/85:30 pmORD - YOW

1 stop20h 26mWestJet

Sun 5/116:00 amYOW - ORD

1 stop11h 44mWestJet

Deal found 1/30

$494

Wed 4/27:10 amORD - YOW

1 stop5h 13mUnited Airlines

Wed 4/25:25 pmYOW - ORD

Nonstop2h 29mUnited Airlines

Deal found 1/29

$507

Mon 2/1010:00 amORD - YOW

2 stops13h 09mDelta

Tue 2/185:55 amYOW - ORD

2 stops15h 00mDelta

Deal found 1/29

$781

Fri 4/259:30 amMDW - YOW

2 stops13h 39mDelta

Thu 5/15:55 amYOW - MDW

2 stops12h 08mDelta

Deal found 1/29

$1,035

Thu 4/2410:15 amMDW - YOW

2 stops12h 54mWestJet

Thu 5/15:55 amYOW - MDW

2 stops17h 34mWestJet

Deal found 1/30

$1,126

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 January 30, 2025.

Mon 2/105:35 amORD - YOW

1 stop8h 44mMultiple Airlines

Wed 2/195:55 amYOW - ORD

2 stops13h 18mMultiple Airlines

Deal found 1/29

$306

Thu 3/611:15 amMDW - YOW

1 stop4h 54mPorter Airlines

Mon 3/1011:50 amYOW - MDW

1 stop5h 50mPorter Airlines

Deal found 1/30

$330

Thu 4/241:56 pmORD - YOW

Nonstop2h 10mAir Canada

Thu 5/110:37 amYOW - ORD

Nonstop2h 26mAir Canada

Deal found 1/30

$488

Wed 4/27:10 amORD - YOW

1 stop5h 13mUnited Airlines

Wed 4/25:25 pmYOW - ORD

Nonstop2h 29mUnited Airlines

Deal found 1/29

$507

Thu 4/244:45 pmORD - YOW

1 stop30h 59mWestJet

Thu 5/15:15 pmYOW - ORD

2 stops24h 29mWestJet

Deal found 1/30

$555

Wed 2/261:05 pmMDW - YOW

1 stop4h 29mMultiple Airlines

Wed 3/58:40 amYOW - MDW

2 stops10h 43mMultiple Airlines

Deal found 1/29

$366

Mon 2/1010:00 amORD - YOW

2 stops13h 09mDelta

Tue 2/185:55 amYOW - ORD

2 stops15h 00mDelta

Deal found 1/29

$781

Fri 4/259:30 amMDW - YOW

2 stops13h 39mDelta

Thu 5/15:55 amYOW - MDW

2 stops12h 08mDelta

Deal found 1/29

$1,035

Thu 4/2410:15 amMDW - YOW

2 stops12h 54mWestJet

Thu 5/15:55 amYOW - MDW

2 stops17h 34mWestJet

Deal found 1/30

$1,126

Last-minute flights from Chicago to Ottawa
Discover last-minute flight deals from Chicago to Ottawa. Data last updated January 30, 2025 and is based on user searches.

Fri 2/75:30 amMDW - YOW

1 stop7h 50mMultiple Airlines

Wed 2/199:30 amYOW - MDW

1 stop3h 40mMultiple Airlines

Deal found 1/29

$371

Fri 2/71:55 pmORD - YOW

Nonstop2h 11mAir Canada

Wed 2/1911:25 amYOW - ORD

Nonstop2h 34mAir Canada

Deal found 1/29

$843

Sat 2/85:35 amORD - YOW

1 stop8h 22mMultiple Airlines

Wed 2/195:55 amYOW - ORD

2 stops13h 18mMultiple Airlines

Deal found 1/29

$334

Sat 2/81:05 pmMDW - YOW

1 stop4h 09mPorter Airlines

Wed 2/199:30 amYOW - MDW

1 stop3h 40mPorter Airlines

Deal found 1/29

$413

Sun 2/911:19 amMDW - YOW

2 stops28h 29mWestJet

Wed 2/128:10 pmYOW - MDW

2 stops22h 33mWestJet

Deal found 1/29

$1,222

Mon 2/105:35 amORD - YOW

1 stop8h 44mMultiple Airlines

Wed 2/195:55 amYOW - ORD

2 stops13h 18mMultiple Airlines

Deal found 1/29

$306

Mon 2/1010:00 amORD - YOW

2 stops13h 09mDelta

Tue 2/185:55 amYOW - ORD

2 stops15h 00mDelta

Deal found 1/29

$781

Mon 2/101:26 pmMDW - YOW

2 stops26h 22mWestJet

Sun 2/165:55 amYOW - MDW

2 stops31h 47mWestJet

Deal found 1/29

$1,187

Tue 2/119:33 amMDW - YOW

2 stops13h 36mDelta

Mon 2/175:55 amYOW - MDW

2 stops8h 10mDelta

Deal found 1/29

$1,504

Tue 2/1811:15 amORD - YOW

2 stops31h 04mWestJet

Tue 2/256:15 amYOW - ORD

2 stops16h 12mWestJet

Deal found 1/29

$1,133

Fri 2/211:04 pmORD - YOW

1 stop5h 18mAir Canada

Sun 2/236:10 pmYOW - ORD

1 stop4h 56mAir Canada

Deal found 1/30

$596

Wed 2/261:05 pmMDW - YOW

1 stop4h 29mPorter Airlines

Wed 3/57:00 amYOW - MDW

1 stop4h 20mPorter Airlines

Deal found 1/29

$355

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 January 30, 2025.

Wed 2/2610:32 amORD - YOW

1 stop27h 47mMultiple Airlines

Deal found 1/29

$123

Mon 4/285:35 pmMDW - YOW

1 stop3h 54mPorter Airlines

Deal found 1/28

$167

Tue 3/2511:15 amMDW - YOW

1 stop11h 54mMultiple Airlines

Deal found 1/30

$176

Mon 5/265:30 pmORD - YOW

2 stops21h 50mWestJet

Deal found 1/29

$203

Sun 3/27:26 amORD - YOW

Nonstop2h 05mAir Canada

Deal found 1/28

$220

Mon 5/266:20 pmORD - YOW

Nonstop1h 54mUnited Airlines

Deal found 1/29

$299

Wed 4/29:54 amMDW - YOW

2 stops13h 15mDelta

Deal found 1/29

$511

Wed 2/2612:44 pmMDW - YOW

2 stops29h 35mWestJet

Deal found 1/29

$513

Find flights from Chicago to Ottawa within your budget

Fly from

Fly to

Route

Depart

Return

Price

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Mon 2/10

5:35 am-3:19 pm

1 stop8h 44m

Ottawa

Wed 2/19

5:55 am-6:13 pm

2 stops13h 18m

$306

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Thu 3/6

11:15 am-5:09 pm

1 stop4h 54m

Ottawa

Mon 3/10

11:50 am-4:40 pm

1 stop5h 50m

$330

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Wed 2/26

1:05 pm-6:34 pm

1 stop4h 29m

Ottawa

Wed 3/5

8:40 am-6:23 pm

2 stops10h 43m

$366

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Thu 4/24

1:56 pm-5:06 pm

Nonstop2h 10m

Ottawa

Thu 5/1

10:37 am-12:03 pm

Nonstop2h 26m

$488

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Thu 5/8

5:30 pm-2:56 pm

1 stop20h 26m

Ottawa

Sun 5/11

6:00 am-4:44 pm

1 stop11h 44m

$494

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Wed 4/2

7:10 am-1:23 pm

1 stop5h 13m

Ottawa

Wed 4/2

5:25 pm-6:54 pm

Nonstop2h 29m

$507

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Mon 2/10

10:00 am-12:09 am

2 stops13h 09m

Ottawa

Tue 2/18

5:55 am-7:55 pm

2 stops15h 00m

$781

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Fri 4/25

9:30 am-12:09 am

2 stops13h 39m

Ottawa

Thu 5/1

5:55 am-5:03 pm

2 stops12h 08m

$1,035

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Thu 4/24

10:15 am-12:09 am

2 stops12h 54m

Ottawa

Thu 5/1

5:55 am-10:29 pm

2 stops17h 34m

$1,126

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Tue 4/8

8:10 pm-2:20 pm

1 stop17h 10m

$117

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/30

Showing 1-10 of 17 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 January.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	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 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.

Travel insights for flights from Chicago to Ottawa

Get recent, data-driven insights about flights from Chicago to Ottawa including ideal travel times, pricing trends, and more.

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 58 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 $474). 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 38% 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 (11 on average). You will have fewer flight options on Tuesday, 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 Delta, Porter Airlines and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

8,450 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

8,450 reviews

Delta

8.0

Very good

8,450 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Porter Airlines

7.9

Good

278 reviews

Delta

8.0

Very good

8,450 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,906 reviews

Delta

8.0

Very good

8,450 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

WestJet

7.2

Good

2,817 reviews

Delta

8.0

Very good

8,450 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Canada

7.0

Good

8,641 reviews

Delta

8.0

Very good

8,450 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 10 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 $330. Additional round-trip tickets that might be worth considering are offered by Air Canada and United Airlines, with the lowest prices starting at $488 and $507, respectively. Porter Airlines is 32% 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 $167. However, be on the lookout for offers from WestJet 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 Emirates (87%), Republic Airways (81%) and Avianca (79%).
What are the cheapest flights from Chicago to Ottawa?
While on average a flight from Chicago to Ottawa is generally $629, our data shows the cheapest flight currently is $241. When looking at the most popular route, (Chicago O'Hare Intl - Ottawa), you can expect to pay $311 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 $474). 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.

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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$241	Average$595	FlexibilityNo cancel fee	On-time67%
Porter Airlines	Cheapest$363	Average$492	FlexibilityNo cancel fee	On-time52%
United Airlines	Cheapest$509	Average$744	FlexibilityNo cancel fee	On-time69%

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$117+ 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 4/8. 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

The best prices from Chicago to Ottawa are usually found in July or February, booked 58 days in advance, depart on a Wednesday or Tuesday 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 January 30, 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 January 30, 2025.

Find flights from Chicago to Ottawa within your budget

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 January.

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.

Travel insights for flights from Chicago to Ottawa

Get recent, data-driven insights about flights from Chicago to Ottawa including ideal travel times, pricing trends, and more.

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 January 24, 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 January 30, 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 January 30, 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 Delta, Porter Airlines 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?

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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 January 30, 2025.