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

C$ 276 is the cheapest one-way deal found within the past few days, from Porter Airlines. You may also be able to find cheap deals on Air Canada and WestJet, with prices starting from C$ 316 and C$ 353, respectively.

What are the most popular routes from Illinois to Ottawa?

When deciding which route to take from Illinois to Ottawa consider Chicago O'Hare Intl - Ottawa, Chicago Midway - Ottawa or Bloomington-Normal - Ottawa as they are the most popular.

What are the cheapest flights from Illinois to Ottawa?

The cheapest flight price from Illinois to Ottawa is C$ 123. On average you can expect to pay C$ 482. The most popular route, (Chicago O'Hare Intl - Ottawa), can usually be booked for C$ 524.

What are the most reliable airlines from Illinois to Ottawa?

No one likes to see their flight delayed. When booking a flight from Illinois to Ottawa consider choosing Republic Airways (94%), United Airlines (92%) or Air Canada (90%) as they are the most reliable in getting you off to your destination on time.

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

To save up to 42% on this flight, we recommend booking at least 51 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Illinois to Ottawa from C$ 554 1-2 weeks out and tickets from C$ 554 for flights departing within the next 72 hours.

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

The best pricing can be found in the month of January. Prices to Ottawa from Illinois average C$ 642. You can even find prices in January for less than C$ 642, as users have found deals to Ottawa from as low as C$ 398. The month of March appears to be one of the more expensive times to travel to Ottawa from Illinois. Flying in the targeted month can save you up to 32%.

What airport do you fly into for flights to Ottawa from Illinois?

Most people fly into Ottawa (YOW) if they book a flight to Ottawa from Illinois. Ottawa is conveniently located just 10.6 km from Ottawa’s city centre.

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

Yes. In addition to deals on Illinois to Ottawa flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Illinois to Ottawa?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Ottawa.

Can I find deals for business class flights from Illinois to Ottawa?

Yes. Cheapflights offers flight deals from Illinois 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.

C$ 211+ Flights from Illinois to Ottawa, Canada

Find flights from Illinois to Ottawa within your budget

Fly from

Fly to

Route

Depart

Return

Price

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Thu 9/1

10:47 p.m.-5:33 a.m.

2 stops29h 46m

Ottawa

Mon 13/1

5:10 p.m.-12:39 p.m.

2 stops20h 29m

C$ 510

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Fri 3/1

12:05 p.m.-6:31 p.m.

1 stop5h 26m

Ottawa

Fri 10/1

7:00 a.m.-12:10 p.m.

1 stop6h 10m

C$ 564

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Sun 15/12

5:15 a.m.-2:20 p.m.

1 stop8h 05m

Ottawa

Tue 17/12

9:20 a.m.-5:54 p.m.

1 stop9h 34m

C$ 570

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Thu 9/1

3:15 p.m.-10:01 p.m.

1 stop5h 46m

Ottawa

Mon 13/1

5:00 p.m.-6:38 p.m.

Nonstop2h 38m

C$ 650

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Thu 19/12

6:06 p.m.-9:24 p.m.

Nonstop2h 18m

Ottawa

Sat 18/1

5:00 p.m.-6:38 p.m.

Nonstop2h 38m

C$ 713

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Sat 4/1

8:30 p.m.-1:37 a.m.

1 stop4h 07m

Ottawa

Sat 11/1

5:45 a.m.-10:54 a.m.

1 stop6h 09m

C$ 718

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Thu 19/12

6:00 a.m.-12:10 a.m.

2 stops17h 10m

Ottawa

Sat 18/1

5:55 a.m.-1:48 p.m.

2 stops32h 53m

C$ 1,328

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Mon 9/12

12:44 p.m.-8:50 p.m.

2 stops31h 06m

Ottawa

Wed 11/12

8:10 p.m.-9:50 a.m.

2 stops14h 40m

C$ 1,457

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Tue 3/12

12:43 p.m.-12:10 a.m.

2 stops10h 27m

Ottawa

Mon 9/12

5:55 a.m.-5:01 p.m.

2 stops12h 06m

C$ 1,555

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Sat 4/1

7:00 a.m.-12:10 a.m.

2 stops16h 10m

Ottawa

Sat 11/1

6:30 a.m.-9:55 a.m.

2 stops28h 25m

C$ 1,810

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/11

Showing 1-10 of 17 results

Cheap flight deals from Illinois to Ottawa

Find flight deals from Illinois to Ottawa

Cheapest flights from Illinois to Ottawa
Explore the most affordable flight options available from Illinois to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 November 2024.

Thu 19/126:05 a.m.ORD - YOW

1 stop7h 48mMultiple Airlines

Mon 23/124:20 p.m.YOW - ORD

1 stop9h 27mMultiple Airlines

Deal found 19/11C$ 524

Sun 15/125:15 a.m.MDW - YOW

1 stop8h 05mMultiple Airlines

Tue 17/129:20 a.m.YOW - MDW

1 stop9h 34mMultiple Airlines

Deal found 19/11C$ 570

Fri 20/1212:05 p.m.MDW - YOW

1 stop5h 26mPorter Airlines

Sat 18/17:00 a.m.YOW - MDW

1 stop6h 10mPorter Airlines

Deal found 19/11C$ 585

Thu 19/126:06 p.m.ORD - YOW

Nonstop2h 18mUnited Airlines

Sat 18/15:00 p.m.YOW - ORD

Nonstop2h 38mUnited Airlines

Deal found 19/11C$ 713

Sat 14/127:20 a.m.ORD - YOW

1 stop6h 43mAir Canada

Sat 21/128:25 a.m.YOW - ORD

1 stop5h 46mAir Canada

Deal found 19/11C$ 794

Thu 19/126:00 a.m.ORD - YOW

2 stops17h 10mDelta

Sat 18/15:55 a.m.YOW - ORD

2 stops32h 53mDelta

Deal found 19/11C$ 1,328

Mon 9/1212:44 p.m.MDW - YOW

2 stops31h 06mWestJet

Wed 11/128:10 p.m.YOW - MDW

2 stops14h 40mWestJet

Deal found 20/11C$ 1,457

Tue 3/1212:43 p.m.MDW - YOW

2 stops10h 27mDelta

Mon 9/125:55 a.m.YOW - MDW

2 stops12h 06mDelta

Deal found 19/11C$ 1,555

Wed 20/111:31 p.m.ORD - YOW

2 stops28h 52mWestJet

Thu 21/119:35 p.m.YOW - ORD

2 stops22h 11mWestJet

Deal found 20/11C$ 1,816

Best flights from Illinois to Ottawa
Discover carefully curated flight deals from Illinois to Ottawa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 20 November 2024.

Thu 9/110:47 p.m.ORD - YOW

2 stops29h 46mMultiple Airlines

Mon 13/15:10 p.m.YOW - ORD

2 stops20h 29mMultiple Airlines

Deal found 19/11C$ 510

Fri 3/112:05 p.m.MDW - YOW

1 stop5h 26mPorter Airlines

Fri 10/17:00 a.m.YOW - MDW

1 stop6h 10mPorter Airlines

Deal found 19/11C$ 564

Thu 9/13:15 p.m.ORD - YOW

1 stop5h 46mLufthansa

Mon 13/15:00 p.m.YOW - ORD

Nonstop2h 38mLufthansa

Deal found 20/11C$ 650

Thu 19/126:06 p.m.ORD - YOW

Nonstop2h 18mUnited Airlines

Sat 18/15:00 p.m.YOW - ORD

Nonstop2h 38mUnited Airlines

Deal found 19/11C$ 713

Sat 4/18:30 p.m.ORD - YOW

1 stop4h 07mAir Canada

Sat 11/15:45 a.m.YOW - ORD

1 stop6h 09mAir Canada

Deal found 20/11C$ 718

Sun 15/125:15 a.m.MDW - YOW

1 stop8h 05mMultiple Airlines

Tue 17/129:20 a.m.YOW - MDW

1 stop9h 34mMultiple Airlines

Deal found 19/11C$ 570

Thu 19/126:00 a.m.ORD - YOW

2 stops17h 10mDelta

Sat 18/15:55 a.m.YOW - ORD

2 stops32h 53mDelta

Deal found 19/11C$ 1,328

Mon 9/1212:44 p.m.MDW - YOW

2 stops31h 06mWestJet

Wed 11/128:10 p.m.YOW - MDW

2 stops14h 40mWestJet

Deal found 20/11C$ 1,457

Tue 3/1212:43 p.m.MDW - YOW

2 stops10h 27mDelta

Mon 9/125:55 a.m.YOW - MDW

2 stops12h 06mDelta

Deal found 19/11C$ 1,555

Sat 4/17:00 a.m.ORD - YOW

2 stops16h 10mWestJet

Sat 11/16:30 a.m.YOW - ORD

2 stops28h 25mWestJet

Deal found 20/11C$ 1,810

Direct flights from Illinois to Ottawa
Explore direct flight options from Illinois to Ottawa based on user searches, and compare prices and availability for your desired travel dates. Data last updated 20 November 2024.

Thu 9/16:08 p.m.ORD - YOW

Nonstop2h 16mLufthansa

Mon 13/15:00 p.m.YOW - ORD

Nonstop2h 38mLufthansa

Deal found 20/11C$ 651

Thu 19/126:06 p.m.ORD - YOW

Nonstop2h 18mUnited Airlines

Sat 18/15:00 p.m.YOW - ORD

Nonstop2h 38mUnited Airlines

Deal found 19/11C$ 713

Thu 9/11:55 p.m.ORD - YOW

Nonstop2h 11mAir Canada

Mon 13/15:00 p.m.YOW - ORD

Nonstop2h 38mAir Canada

Deal found 19/11C$ 769

Last-minute flights from Illinois to Ottawa
Discover last-minute flight deals from Illinois to Ottawa. Data last updated 20 November 2024 and is based on user searches.

Wed 20/111:31 p.m.ORD - YOW

2 stops28h 52mWestJet

Thu 21/119:35 p.m.YOW - ORD

2 stops22h 11mWestJet

Deal found 20/11C$ 1,816

Thu 28/117:28 a.m.ORD - YOW

Nonstop2h 03mAir Canada

Sun 1/125:00 p.m.YOW - ORD

Nonstop2h 36mAir Canada

Deal found 19/11C$ 1,509

Thu 28/1111:59 a.m.MDW - YOW

2 stops30h 24mWestJet

Sun 1/125:55 a.m.YOW - MDW

2 stops28h 55mWestJet

Deal found 19/11C$ 1,643

Fri 29/116:05 a.m.MDW - YOW

2 stops13h 45mMultiple Airlines

Sun 1/127:00 a.m.YOW - MDW

1 stop4h 20mMultiple Airlines

Deal found 19/11C$ 802

Fri 29/115:35 p.m.MDW - YOW

1 stop3h 51mPorter Airlines

Sun 1/127:00 a.m.YOW - MDW

1 stop4h 20mPorter Airlines

Deal found 19/11C$ 812

Fri 29/115:00 a.m.ORD - YOW

1 stop11h 53mMultiple Airlines

Sun 1/125:25 p.m.YOW - ORD

2 stops26h 21mMultiple Airlines

Deal found 19/11C$ 885

Fri 29/119:14 p.m.ORD - YOW

1 stop23h 23mUnited Airlines

Sun 1/126:20 a.m.YOW - ORD

Nonstop2h 42mUnited Airlines

Deal found 19/11C$ 1,103

Tue 3/1212:43 p.m.MDW - YOW

2 stops10h 27mDelta

Mon 9/125:55 a.m.YOW - MDW

2 stops12h 06mDelta

Deal found 19/11C$ 1,555

Mon 9/1212:44 p.m.MDW - YOW

2 stops31h 06mWestJet

Wed 11/128:10 p.m.YOW - MDW

2 stops14h 40mWestJet

Deal found 20/11C$ 1,457

Sat 14/127:20 a.m.ORD - YOW

1 stop6h 43mAir Canada

Sat 21/128:25 a.m.YOW - ORD

1 stop5h 46mAir Canada

Deal found 19/11C$ 794

Sun 15/125:15 a.m.MDW - YOW

1 stop8h 05mMultiple Airlines

Tue 17/129:20 a.m.YOW - MDW

1 stop9h 34mMultiple Airlines

Deal found 19/11C$ 570

Thu 19/126:05 a.m.ORD - YOW

1 stop7h 48mMultiple Airlines

Mon 23/124:20 p.m.YOW - ORD

1 stop9h 27mMultiple Airlines

Deal found 19/11C$ 524

One-way flights from Illinois to Ottawa
Search for one-way flight options from Illinois to Ottawa. Find affordable one-way fares based on user searches. Data last updated 20 November 2024.

Sun 15/127:45 p.m.ORD - YOW

1 stop23h 24mMultiple Airlines

Deal found 20/11C$ 211

Mon 13/16:15 a.m.MDW - YOW

2 stops13h 35mMultiple Airlines

Deal found 19/11C$ 228

Mon 13/11:05 p.m.MDW - YOW

1 stop6h 24mPorter Airlines

Deal found 19/11C$ 276

Fri 20/128:25 p.m.ORD - YOW

1 stop4h 12mAir Canada

Deal found 18/11C$ 316

Tue 17/1212:44 p.m.MDW - YOW

2 stops10h 26mWestJet

Deal found 20/11C$ 353

Sun 15/127:28 a.m.ORD - YOW

Nonstop2h 03mUnited Airlines

Deal found 19/11C$ 384

Tue 17/1212:44 p.m.MDW - YOW

2 stops10h 26mDelta

Deal found 19/11C$ 741

Best time to book a flight from Illinois to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from Illinois 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 Illinois to Ottawa

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

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

Currently, October is the cheapest month in which you can book a flight from Illinois to Ottawa (average of C$ 224). Flying from Illinois to Ottawa in March is currently the most expensive (average of C$ 360). 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 IL to YOW?

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

Weekly flight availability from Illinois to Ottawa

The most flights from USIL to YOW are scheduled on a Monday (19 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (13 on average).

Rainfall in Ottawa by month

In terms of precipitation, rainfall in Ottawa ranges from 50.0 - 93.0 mm per month. June is typically the wettest month, when rainfall can reach 93.0 mm. February is typically the driest time to visit Ottawa when rainfall is around 50.0 mm.

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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -10.0 C).

Reviews of airlines servicing Ottawa

To help decide which airline to fly from Illinois to Ottawa, see what other customers have to say about Porter Airlines, United Airlines and Air Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

8,756 reviews

Check prices

Reviews

1 / 10

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

Delta

8.0

Very good

8,756 reviews

Delta

8.0

Very good

8,756 reviews

Check prices

Reviews

1 / 10

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

Porter Airlines

7.8

Good

288 reviews

Delta

8.0

Very good

8,756 reviews

Check prices

Reviews

1 / 10

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

United Airlines

7.4

Good

9,171 reviews

Delta

8.0

Very good

8,756 reviews

Check prices

Reviews

1 / 10

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

WestJet

7.3

Good

2,811 reviews

Delta

8.0

Very good

8,756 reviews

Check prices

Reviews

1 / 10

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

Air Canada

7.0

Good

8,237 reviews

Delta

8.0

Very good

8,756 reviews

Check prices

Reviews

1 / 10

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 Illinois?
Most people fly into Ottawa (YOW) if they book a flight to Ottawa from Illinois. Ottawa is conveniently located just 10.6 km from Ottawa’s city centre.
What are the cheapest airlines to fly from Illinois to Ottawa one-way?
C$ 276 is the cheapest one-way deal found within the past few days, from Porter Airlines. You may also be able to find cheap deals on Air Canada and WestJet, with prices starting from C$ 316 and C$ 353, respectively.
What are the most popular routes from Illinois to Ottawa?
When deciding which route to take from Illinois to Ottawa consider Chicago O'Hare Intl - Ottawa, Chicago Midway - Ottawa or Bloomington-Normal - Ottawa as they are the most popular.
What are the most reliable airlines from Illinois to Ottawa?
No one likes to see their flight delayed. When booking a flight from Illinois to Ottawa consider choosing Republic Airways (94%), United Airlines (92%) or Air Canada (90%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from Illinois to Ottawa?
The cheapest flight price from Illinois to Ottawa is C$ 123. On average you can expect to pay C$ 482. The most popular route, (Chicago O'Hare Intl - Ottawa), can usually be booked for C$ 524.
Can I find deals for flights from Illinois to Ottawa that include hotel bookings?
Yes. In addition to deals on Illinois to Ottawa flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Illinois to Ottawa?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Ottawa.
Can I find deals for business class flights from Illinois to Ottawa?
Yes. Cheapflights offers flight deals from Illinois 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 Illinois to Ottawa?
Currently, October is the cheapest month in which you can book a flight from Illinois to Ottawa (average of C$ 224). Flying from Illinois to Ottawa in March is currently the most expensive (average of C$ 360). 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

Browse thousands of different options on Cheapflights for your next trip

Fly with Cheapflights

How does Cheapflights help users find flights from Illinois to Ottawa?

When you search for this flight from Illinois to Ottawa, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Illinois to Ottawa?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Illinois to Ottawa.

Can Cheapflights find flights from Illinois to Ottawa with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Illinois to Ottawa, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Illinois to Ottawa become cheaper?

Not ready to book yet? You can track prices for flights from Illinois to Ottawa on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

View all available airlines

Cheap flights from Illinois to Ottawa from C$ 211

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 15/12. Fares are subject to change and may not be available on all flights or dates of travel.

Find flights from Illinois to Ottawa within your budget

Cheap flight deals from Illinois to Ottawa

Find flight deals from Illinois to Ottawa

Cheapest flights from Illinois to OttawaExplore the most affordable flight options available from Illinois to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 November 2024.

Explore the most affordable flight options available from Illinois to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 November 2024.

Best time to book a flight from Illinois to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from Illinois with our price prediction graph.

Travel insights for flights from Illinois to Ottawa

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

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

What is the cheapest time of day to fly from IL to YOW?

Find hourly flight availability from Illinois 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 20 November 2024.

Weekly flight availability from Illinois to Ottawa

Explore weekly flight availability from Illinois 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 20 November 2024.

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

To help decide which airline to fly from Illinois to Ottawa, see what other customers have to say about Porter Airlines, United Airlines and Air Canada. 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 Illinois 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 Illinois?

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

What are the most popular routes from Illinois to Ottawa?

What are the most reliable airlines from Illinois to Ottawa?

What are the cheapest flights from Illinois to Ottawa?

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

How can I find direct flights from Illinois to Ottawa?

Can I find deals for business class flights from Illinois to Ottawa?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Ottawa

See prices for flight routes from nearby airports that may be better suited for you.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Illinois to Ottawa?

Why should you use Cheapflights to find cheap flight tickets from Illinois to Ottawa?

Can Cheapflights find flights from Illinois to Ottawa with no change fees?

Can Cheapflights notify me if prices for flights from Illinois to Ottawa become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Illinois to Ottawa
Explore the most affordable flight options available from Illinois to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 November 2024.