Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Ottawa to Illinois from C$ 253

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ottawa to Illinois departing on 9/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Ottawa to Illinois

Cheap round-trip flights

These are some of the best round-trip flight deals from Ottawa to Illinois that have been recently found on momondo from popular airlines, departing in the coming months.
 Logo
11:15 a.m. - 8:07 p.m.YOW-ORD
9h 52m1 stop
 Logo
5:51 a.m. - 2:56 p.m.ORD-YOW
8h 05m1 stop
C$ 401
Find Deal
Wed, 28 May - Wed, 4 Jun
Porter Airlines Logo
12:35 p.m. - 4:54 p.m.YOW-MDW
5h 19m1 stop
Porter Airlines Logo
9:40 a.m. - 4:33 p.m.MDW-YOW
5h 53m1 stop
C$ 436Porter Airlines
Find Deal
Mon, 9 Jun - Mon, 16 Jun
Air Canada Logo
6:40 a.m. - 8:02 a.m.YOW-ORD
2h 22mdirect
Air Canada Logo
8:40 a.m. - 1:50 p.m.ORD-YOW
4h 10m1 stop
C$ 605Air Canada
Find Deal
Wed, 28 May - Wed, 4 Jun
Air Canada Logo
5:25 p.m. - 6:53 p.m.YOW-ORD
2h 28mdirect
Air Canada Logo
6:15 p.m. - 9:35 p.m.ORD-YOW
2h 20mdirect
C$ 660Air Canada
Find Deal
Tue, 3 Jun - Tue, 10 Jun
United Airlines Logo
5:25 p.m. - 6:53 p.m.YOW-ORD
2h 28mdirect
United Airlines Logo
8:00 a.m. - 2:27 p.m.ORD-YOW
5h 27m1 stop
C$ 674United Airlines
Find Deal
Wed, 2 Jul - Mon, 7 Jul
United Airlines Logo
2:40 p.m. - 6:45 p.m.YOW-ORD
5h 05m1 stop
United Airlines Logo
3:40 p.m. - 10:05 p.m.ORD-YOW
5h 25m1 stop
C$ 678United Airlines
Find Deal
Mon, 23 Jun - Sat, 28 Jun
WestJet Logo
5:55 a.m. - 11:48 a.m.YOW-STL
30h 53m2 stops
WestJet Logo
6:00 a.m. - 12:22 a.m.STL-YOW
17h 22m2 stops
C$ 725WestJet
Find Deal
Mon, 2 Jun - Mon, 9 Jun
WestJet Logo
5:55 a.m. - 4:35 p.m.YOW-STL
11h 40m2 stops
WestJet Logo
6:00 a.m. - 12:22 a.m.STL-YOW
17h 22m2 stops
C$ 754WestJet
Find Deal
Sun, 1 Jun - Sun, 8 Jun
Delta Logo
5:55 a.m. - 12:50 p.m.YOW-ORD
7h 55m2 stops
Delta Logo
9:45 a.m. - 12:22 a.m.ORD-YOW
13h 37m2 stops
C$ 837Delta
Find Deal
Fri, 11 Jul - Mon, 14 Jul
Delta Logo
5:55 a.m. - 6:41 p.m.YOW-MDW
13h 46m2 stops
Delta Logo
9:24 a.m. - 12:22 a.m.MDW-YOW
13h 58m2 stops
C$ 854Delta
Find Deal
Wed, 2 Jul - Sun, 6 Jul

Air Canada flights from Ottawa to Illinois

Our best Air Canada deals on Ottawa to Illinois flight tickets
Air Canada
28 May
YOW6:40 a.m.Ottawa
2h 22m
ORD8:02 a.m.Chicago O'Hare Intl
4 Jun
ORD8:40 a.m.Chicago O'Hare Intl
4h 10m
1 stop
YOW1:50 p.m.Ottawa
Air Canada
3 Jun
YOW5:25 p.m.Ottawa
2h 28m
ORD6:53 p.m.Chicago O'Hare Intl
10 Jun
ORD6:15 p.m.Chicago O'Hare Intl
2h 20m
YOW9:35 p.m.Ottawa
Air Canada
3 Jun
YOW11:05 a.m.Ottawa
4h 50m
1 stop
ORD2:55 p.m.Chicago O'Hare Intl
10 Jun
ORD6:15 p.m.Chicago O'Hare Intl
2h 20m
YOW9:35 p.m.Ottawa

United Airlines flights from Ottawa to Illinois

Our best United Airlines deals on Ottawa to Illinois flight tickets
United Airlines
2 Jul
YOW5:25 p.m.Ottawa
2h 28m
ORD6:53 p.m.Chicago O'Hare Intl
7 Jul
ORD8:00 a.m.Chicago O'Hare Intl
5h 27m
1 stop
YOW2:27 p.m.Ottawa
United Airlines
23 Jun
YOW2:40 p.m.Ottawa
5h 05m
1 stop
ORD6:45 p.m.Chicago O'Hare Intl
28 Jun
ORD3:40 p.m.Chicago O'Hare Intl
5h 25m
1 stop
YOW10:05 p.m.Ottawa
United Airlines
19 Jun
YOW7:29 p.m.Ottawa
5h 01m
1 stop
ORD11:30 p.m.Chicago O'Hare Intl
24 Jun
ORD9:00 a.m.Chicago O'Hare Intl
4h 27m
1 stop
YOW2:27 p.m.Ottawa

See travel insights to Illinois from

How to get the cheapest flight ticket from Ottawa to Illinois

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

What is the cheapest month to fly to Illinois?

In general, May is the cheapest month to fly from Ottawa to Illinois. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 485. If you don’t want to visit Illinois in May, then you should wait until April to fly from Ottawa, when ticket prices are also cheap, with an average price of C$ 546.

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

According to our data, Tuesday is the cheapest day to fly to Illinois from Ottawa. The lowest ticket price found for a Tuesday departure recently was C$ 818. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Illinois is Monday, with ticket prices averaging around C$ 926.

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

Our most recent data shows that the best time of day to fly to Illinois is at noon. Flights from Ottawa to Illinois during this time can be as low as C$ 506. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are C$ 908 on average. Flights to Illinois from Ottawa in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Ottawa to Illinois flight route?

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

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

You are more likely to see cheaper flights to Illinois from Ottawa when booking 12 weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around C$ 769 when searching 12 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Ottawa for as low as C$ 601 on momondo.

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

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

Cheap Ottawa to Illinois flight deals and tips

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

Best price found

C$ 253

Fastest flight time

2h 22m

Direct flights

Tue, Wed, Thu, Fri, Sat and Sun

Airports in Illinois

3 airports
The best one-way flight to Illinois from Ottawa in the past 72 hours is C$ 253. The best round-trip flight deal from Ottawa to Illinois found on momondo in the last 72 hours is C$ 401.
The fastest flight from Ottawa to Illinois takes 2h 22m
Direct flights go from Ottawa to Illinois on Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. Airlines offering direct flights are: United Airlines and Air Canada.
There are 3 airports near Illinois: Chicago O'Hare Intl (ORD), Chicago Midway (MDW), Lambert-St Louis (STL)

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

    Prices for flights from Ottawa Airport to Illinois were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ottawa Airport to Illinois.

  • What documentation or ID do you need to fly to Illinois?

    The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Ottawa to Illinois?


Best airlines flying from Ottawa to Illinois

Compare and see reviews for airlines that fly from Ottawa to Illinois with momondo
Airline
Rating
Free Cancellation
Price
Porter AirlinesPriceFrom C$ 376Free CancellationRating
8.0
285 reviews
Search Porter Airlines flights
Air CanadaPriceFrom C$ 553Free CancellationRating
7.0
9,268 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 602Free CancellationRating
7.4
8,702 reviews
Search United Airlines flights

Why use momondo?

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

Finding the right flight to Illinois from Ottawa is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Illinois quick and easy, saving you time and money.

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Illinois from Ottawa.

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

Price alerts on flights to Illinois from Ottawa are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


An easier way to manage your Illinois 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 10/5
Sat 17/5

Find better results for your trip to Illinois

Popular Cities in Illinois

Popular flights according to clicks in the last 7 days on momondo