What airlines fly to Ottawa?

Air Canada, United Airlines and American Airlines are the top three most popular airlines that fly to Ottawa from Illinois according to our data. Air Canada is the first choice among our users, with 58% of people opting to fly with this airline when traveling to Ottawa. Keep in mind that there are 5 different airlines that fly to Ottawa on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Ottawa?

Average flight duration from Illinois to Ottawa depends on which airport you fly into and out of. Flying from Chicago to Montreal Pierre Elliott Trudeau Intl Airport is 2h 56m on average, while flying from Peoria to Montreal Pierre Elliott Trudeau Intl Airport is 5h 47m on average. Montreal Pierre Elliott Trudeau Intl Airport is the most popular airport in Ottawa.

How many flights depart from Illinois to Ottawa on average per week?

As of August 2026, there are 90 flights per week flying from Illinois to Ottawa. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

How many flights depart from Illinois to Ottawa on average per day?

12 flights are operational daily from Illinois to Ottawa as of August 2026. The most popular departure time for this route is 6:00PM, with 46% of flights per day taking off in the evening.

What is the cheapest airline that flies from Illinois to Ottawa?

Porter Airlines, WestJet, and Air Canada are the most popular carriers operating from Illinois to Ottawa

When did momondo last update prices for flights from Illinois to Ottawa Airport?

Prices for flights from Illinois to Ottawa Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Illinois to Ottawa Airport?

As of August 2026, there are 2 operators available to choose from for flights from Illinois to Ottawa Airport.

How old do you have to be to fly from Illinois to Ottawa Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Ottawa Airport.

What documentation or ID do you need to fly to Ottawa Airport?

The necessary travel and health documents for your Ottawa Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$146 Cheap Flights from Illinois to Ottawa in 2026

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Find the cheapest flights from Illinois to Ottawa

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8:45 am - 1:58 pmORD Chicago O'Hare Intl-YOW Ottawa

4h 13m1 stop Montreal Pierre Elliott Trudeau Intl

5:20 pm - 8:41 pmYOW Ottawa-ORD Chicago O'Hare Intl

4h 21m1 stop Toronto Island

$196Air Canada

Sat, Sep 12 - Sat, Sep 12

10:40 am - 1:59 pmORD Chicago O'Hare Intl-YOW Ottawa

2h 19mnonstop

5:20 pm - 8:41 pmYOW Ottawa-ORD Chicago O'Hare Intl

4h 21m1 stop Toronto Island

$302Air Canada

Sat, Sep 12 - Sat, Sep 12

11:45 am - 8:02 pmMDW Chicago Midway-YOW Ottawa

7h 17m1 stop Toronto Island

10:40 am - 2:35 pmYOW Ottawa-MDW Chicago Midway

4h 55m1 stop Toronto Island

$344Porter Airlines

Fri, Sep 18 - Sun, Sep 20

3:20 pm - 9:42 pmMDW Chicago Midway-YOW Ottawa

5h 22m1 stop Toronto Island

8:00 am - 11:00 amYOW Ottawa-MDW Chicago Midway

4h 00m1 stop Toronto Island

$344Porter Airlines

Thu, Sep 10 - Thu, Sep 17

3:20 pm - 8:02 pmMDW Chicago Midway-YOW Ottawa

3h 42m1 stop Toronto Island

8:00 am - 11:00 amYOW Ottawa-MDW Chicago Midway

4h 00m1 stop Toronto Island

$346Porter Airlines

Fri, Sep 25 - Mon, Sep 28

8:45 am - 1:58 pmORD Chicago O'Hare Intl-YOW Ottawa

4h 13m1 stop Montreal Pierre Elliott Trudeau Intl

4:00 pm - 12:28 amYOW Ottawa-ORD Chicago O'Hare Intl

9h 28m2 stops Toronto Pearson Intl Newark

$374Air Canada

Sat, Sep 12 - Sat, Sep 12

12:10 pm - 7:45 pmSTL Lambert-St Louis-YOW Ottawa

6h 35m1 stop Montreal Pierre Elliott Trudeau Intl

2:45 pm - 6:41 pmYOW Ottawa-STL Lambert-St Louis

4h 56m1 stop Montreal Pierre Elliott Trudeau Intl

$574Air Canada

Tue, Sep 22 - Fri, Sep 25

8:00 am - 1:59 pmSTL Lambert-St Louis-YOW Ottawa

4h 59m1 stop Chicago O'Hare Intl

5:20 pm - 9:21 pmYOW Ottawa-STL Lambert-St Louis

5h 01m1 stop Chicago O'Hare Intl

$584United Airlines

Thu, Oct 1 - Thu, Oct 1

8:30 am - 6:55 pmSTL Lambert-St Louis-YOW Ottawa

9h 25m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

5:20 pm - 9:21 pmYOW Ottawa-STL Lambert-St Louis

5h 01m1 stop Chicago O'Hare Intl

$594United Airlines

Tue, Sep 22 - Fri, Sep 25

7:45 pm - 9:11 amORD Chicago O'Hare Intl-YOW Ottawa

12h 26m1 stop Newark

6:05 am - 6:39 pmYOW Ottawa-ORD Chicago O'Hare Intl

13h 34m1 stop Newark

$615United Airlines

Tue, Sep 1 - Sat, Oct 3

Cheap last minute flights

Enter your travel dates to find the best prices.

1:59 pm - 4:20 pmORD Chicago O'Hare Intl-YOW Ottawa

25h 21m2 stops Atlanta Hartsfield-Jackson Newark

7:20 am - 4:40 pmYOW Ottawa-ORD Chicago O'Hare Intl

10h 20m1 stop Calgary

$515Multiple Airlines

Tue, Aug 18 - Fri, Sep 11

3:40 pm - 9:40 pmORD Chicago O'Hare Intl-YOW Ottawa

5h 00m1 stop Toronto Pearson Intl

8:40 am - 2:20 pmYOW Ottawa-ORD Chicago O'Hare Intl

6h 40m1 stop Toronto Pearson Intl

$725American Airlines

Tue, Aug 18 - Fri, Sep 11

1:59 pm - 12:25 pmORD Chicago O'Hare Intl-YOW Ottawa

21h 26m2 stops Atlanta Hartsfield-Jackson Newark

7:00 am - 11:08 pmYOW Ottawa-ORD Chicago O'Hare Intl

17h 08m1 stop Orlando

$761Multiple Airlines

Wed, Aug 19 - Fri, Aug 21

10:25 am - 5:54 pmMDW Chicago Midway-YOW Ottawa

6h 29m1 stop Toronto Island

8:00 am - 11:00 amYOW Ottawa-MDW Chicago Midway

4h 00m1 stop Toronto Island

$894Porter Airlines

Tue, Aug 18 - Fri, Sep 11

2:00 pm - 7:52 pmORD Chicago O'Hare Intl-YOW Ottawa

4h 52m1 stop Toronto Island

6:45 am - 1:21 pmYOW Ottawa-ORD Chicago O'Hare Intl

7h 36m1 stop Toronto Island

$991Air Canada

Thu, Aug 20 - Fri, Aug 21

6:21 pm - 9:35 pmORD Chicago O'Hare Intl-YOW Ottawa

2h 14mnonstop

6:45 am - 1:21 pmYOW Ottawa-ORD Chicago O'Hare Intl

7h 36m1 stop Toronto Island

$1,006Air Canada

Thu, Aug 20 - Fri, Aug 21

2:00 pm - 7:52 pmORD Chicago O'Hare Intl-YOW Ottawa

4h 52m1 stop Toronto Island

5:20 pm - 8:41 pmYOW Ottawa-ORD Chicago O'Hare Intl

4h 21m1 stop Toronto Island

$1,028Air Canada

Mon, Aug 17 - Wed, Aug 19

6:21 pm - 9:35 pmORD Chicago O'Hare Intl-YOW Ottawa

2h 14mnonstop

10:37 am - 12:00 pmYOW Ottawa-ORD Chicago O'Hare Intl

2h 23mnonstop

$1,030Air Canada

Thu, Aug 20 - Fri, Aug 21

1:55 pm - 5:16 pmORD Chicago O'Hare Intl-YOW Ottawa

2h 21mnonstop

5:10 am - 9:00 amYOW Ottawa-ORD Chicago O'Hare Intl

4h 50m1 stop Toronto Pearson Intl

$1,136United Airlines

Thu, Aug 20 - Fri, Aug 21

1:55 pm - 5:16 pmORD Chicago O'Hare Intl-YOW Ottawa

2h 21mnonstop

5:20 pm - 6:46 pmYOW Ottawa-ORD Chicago O'Hare Intl

2h 26mnonstop

$1,358United Airlines

Wed, Aug 19 - Fri, Aug 21

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Air Canada flights from Illinois to Ottawa

Our best Air Canada deals on Illinois to Ottawa flight tickets

Air Canada

Sep 12

ORD8:45 amChicago O'Hare Intl

4h 13m

1 stop

YOW1:58 pmOttawa

Sep 12

YOW5:20 pmOttawa

4h 21m

1 stop

ORD8:41 pmChicago O'Hare Intl

$196

Air Canada

Sep 12

ORD10:40 amChicago O'Hare Intl

2h 19m

YOW1:59 pmOttawa

Sep 12

YOW5:20 pmOttawa

4h 21m

1 stop

ORD8:41 pmChicago O'Hare Intl

$302

Air Canada

Sep 12

ORD8:45 amChicago O'Hare Intl

4h 13m

1 stop

YOW1:58 pmOttawa

Sep 12

YOW4:00 pmOttawa

9h 28m

2 stops

ORD12:28 amChicago O'Hare Intl

$374

Porter Airlines flights from Illinois to Ottawa

Our best Porter Airlines deals on Illinois to Ottawa flight tickets

Porter Airlines

Sep 10

MDW3:20 pmChicago Midway

5h 22m

1 stop

YOW9:42 pmOttawa

Sep 17

YOW8:00 amOttawa

4h 00m

1 stop

MDW11:00 amChicago Midway

$344

Porter Airlines

Sep 25

MDW3:20 pmChicago Midway

3h 42m

1 stop

YOW8:02 pmOttawa

Sep 28

YOW8:00 amOttawa

4h 00m

1 stop

MDW11:00 amChicago Midway

$346

Porter Airlines

Sep 18

MDW3:20 pmChicago Midway

3h 42m

1 stop

YOW8:02 pmOttawa

Sep 21

YOW8:00 amOttawa

4h 00m

1 stop

MDW11:00 amChicago Midway

$347

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoOttawa

ORD Chicago O'Hare Intl - YOW Ottawa

ORDYOW

Chicago O'Hare Intl

Sat 9/12

8:45 am-1:58 pm

1 stop4h 13m

Ottawa

Sat 9/12

5:20 pm-8:41 pm

1 stop4h 21m

$196

Quickest round-trip

ChicagoOttawa

ORD Chicago O'Hare Intl - YOW Ottawa

ORDYOW

Chicago O'Hare Intl

Sat 9/12

10:40 am-1:59 pm

Nonstop2h 19m

Ottawa

Sat 9/12

5:20 pm-8:41 pm

1 stop4h 21m

$302

ChicagoOttawa

MDW Chicago Midway - YOW Ottawa

MDWYOW

Chicago Midway

Fri 9/18

11:45 am-8:02 pm

1 stop7h 17m

Ottawa

Sun 9/20

10:40 am-2:35 pm

1 stop4h 55m

$344

ChicagoOttawa

MDW Chicago Midway - YOW Ottawa

MDWYOW

Chicago Midway

Thu 9/10

3:20 pm-9:42 pm

1 stop5h 22m

Ottawa

Thu 9/17

8:00 am-11:00 am

1 stop4h 00m

$344

ChicagoOttawa

MDW Chicago Midway - YOW Ottawa

MDWYOW

Chicago Midway

Fri 9/25

3:20 pm-8:02 pm

1 stop3h 42m

Ottawa

Mon 9/28

8:00 am-11:00 am

1 stop4h 00m

$346

ChicagoOttawa

ORD Chicago O'Hare Intl - YOW Ottawa

ORDYOW

Chicago O'Hare Intl

Sat 9/12

8:45 am-1:58 pm

1 stop4h 13m

Ottawa

Sat 9/12

4:00 pm-12:28 am

2 stops9h 28m

$374

St. LouisOttawa

STL Lambert-St Louis - YOW Ottawa

STLYOW

Lambert-St Louis

Tue 9/22

12:10 pm-7:45 pm

1 stop6h 35m

Ottawa

Fri 9/25

2:45 pm-6:41 pm

1 stop4h 56m

$574

St. LouisOttawa

STL Lambert-St Louis - YOW Ottawa

STLYOW

Lambert-St Louis

Thu 10/1

8:00 am-1:59 pm

1 stop4h 59m

Ottawa

Thu 10/1

5:20 pm-9:21 pm

1 stop5h 01m

$584

St. LouisOttawa

STL Lambert-St Louis - YOW Ottawa

STLYOW

Lambert-St Louis

Tue 9/22

8:30 am-6:55 pm

2 stops9h 25m

Ottawa

Fri 9/25

5:20 pm-9:21 pm

1 stop5h 01m

$594

ChicagoOttawa

ORD Chicago O'Hare Intl - YOW Ottawa

ORDYOW

Chicago O'Hare Intl

Tue 9/1

7:45 pm-9:11 am

1 stop12h 26m

Ottawa

Sat 10/3

6:05 am-6:39 pm

1 stop13h 34m

$615

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Illinois to Ottawa

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Ottawa?

In general, April is the cheapest month to fly from Illinois to Ottawa. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $400. The month of October is another great option to travel to Ottawa, with average flight prices from Illinois averaging around $457.

What is the cheapest day to depart on your flight to Ottawa?

The cheapest day to depart from Illinois to Ottawa is on a Saturday. Travelers who choose to depart for Ottawa on a Saturday will often find tickets for as low as $449. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Ottawa on Monday is $900.

What is the cheapest time of day to depart on your flight to Ottawa?

In the afternoon is the cheapest time of day to fly from Illinois to Ottawa when you can find flight prices for as low as $531. Flying to Ottawa in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $761 on average. Flights to Ottawa from Illinois in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Illinois to Ottawa flight route?

Fly from Chicago O'Hare Intl to Ottawa for the best Illinois - Ottawa flight prices

What cabin class options are available on Illinois to Ottawa flights?

There are 4 cabin classes available to choose from on Illinois to Ottawa flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Illinois to Ottawa flights?

You could potentially save up to 38% on your flight if you consider stops on a Illinois to Ottawa flight.

Cheap Illinois to Ottawa flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Ottawa

Best Price Found	$337
Fastest flight time	2h 12m
Direct flights	Every day
Airports in Ottawa	1 airport

The best one-way flight to Ottawa from Illinois in the past 72 hours is $337. The best round-trip flight deal from Illinois to Ottawa found on momondo in the last 72 hours is $944.

The fastest flight from Illinois to Ottawa takes 2h 12m

Direct flights go from Illinois to Ottawa every day.

There is 1 airport in Ottawa. From Illinois there are direct flights to Ottawa (YOW).

Search flight deals

Frequently asked questions about flying from Illinois to Ottawa

When did momondo last update prices for flights from Illinois to Ottawa Airport?
Prices for flights from Illinois to Ottawa Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Illinois to Ottawa Airport?
As of August 2026, there are 2 operators available to choose from for flights from Illinois to Ottawa Airport.
How old do you have to be to fly from Illinois to Ottawa Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Ottawa Airport.
What documentation or ID do you need to fly to Ottawa Airport?
The necessary travel and health documents for your Ottawa Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Illinois to Ottawa?
Based on momondo bookings for flights between Illinois and Ottawa, the leading plane model is Embraer 175 (Enhanced Winglets), making up 38.39% of the total bookings. Other popular models include Airbus A319 with 33.04%, Boeing 737 MAX 8 with 4.46%, and Canadair (Bombardier) Regional Jet CRJ-550 with 2.68%.

Best airlines flying from Illinois to Ottawa

Compare and see reviews for airlines that fly from Illinois to Ottawa with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $400	Free Cancellation	Rating 7.4 10,111 reviews		Search United Airlines flights

Gatineau

Brockville

Pembroke

Petawawa

Perth

Calabogie

Smiths Falls

Prescott

Wakefield

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Ottawa?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Illinois to Ottawa for you.

Can I find flights from Illinois to Ottawa with flexible booking policies on momondo?

Yes. All flights to Ottawa from Illinois on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Illinois to Ottawa?

Once you have performed a search for Illinois to Ottawa flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Illinois to Ottawa right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Illinois to Ottawa now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ottawa and let you know when they change.

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Cheap flights from Illinois to Ottawa from $146

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Ottawa departing on 9/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Air Canada flights from Illinois to Ottawa

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How to get the cheapest flight ticket from Illinois to Ottawa

What is the cheapest month to fly to Ottawa?

What is the cheapest day to depart on your flight to Ottawa?

What is the cheapest time of day to depart on your flight to Ottawa?

What is the cheapest Illinois to Ottawa flight route?

What cabin class options are available on Illinois to Ottawa flights?

Can stopping save me money on Illinois to Ottawa flights?

What is the cheapest airline that flies from Illinois to Ottawa?

What airlines fly to Ottawa?

How many flights depart from Illinois to Ottawa on average per day?

How many flights depart from Illinois to Ottawa on average per week?

How long does it take to fly to Ottawa?

Cheap Illinois to Ottawa flight deals and tips

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Frequently asked questions about flying from Illinois to Ottawa

Best airlines flying from Illinois to Ottawa

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Traveling to a place near Ottawa?

Why use momondo?

An easier way to manage your Ottawa trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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List of cabin classes available on flights landing in Ottawa. Availability may vary depending on flight origin and airline.

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