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Cheap flights from Ottawa to Illinois from C$ 255

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 7/2. 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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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.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Ottawa to Illinois.

Cheap last-minute flights

Planning a quick getaway from Ottawa to Illinois? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Illinois, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Ottawa to Illinois

Find recent round-trip train or bus tickets from Ottawa to Illinois.

All round-trip flight deals to Illinois

The cheapest plane tickets to Illinois found on KAYAK recently.
8:40 a.m. - 12:10 p.m.YOW-MDW
4h 30m1 stop
1:05 p.m. - 6:34 p.m.MDW-YOW
4h 29m1 stop
C$ 399Porter Airlines
Find Deal
Fri, 14 Feb - Mon, 17 Feb
7:00 a.m. - 12:10 p.m.YOW-MDW
6h 10m1 stop
1:05 p.m. - 8:34 p.m.MDW-YOW
6h 29m1 stop
C$ 442Porter Airlines
Find Deal
Sat, 18 Jan - Thu, 13 Feb
6:20 a.m. - 8:45 p.m.YOW-ORD
15h 25m2 stops
5:35 a.m. - 3:16 p.m.ORD-YOW
8h 41m1 stop
C$ 446
Find Deal
Fri, 24 Jan - Mon, 27 Jan
4:15 p.m. - 9:39 a.m.YOW-ORD
18h 24m1 stop
4:45 p.m. - 6:20 p.m.ORD-YOW
24h 35m2 stops
C$ 515
Find Deal
Sat, 18 Jan - Thu, 13 Feb
5:00 p.m. - 6:34 p.m.YOW-ORD
2h 34mdirect
7:26 a.m. - 10:31 a.m.ORD-YOW
2h 05mdirect
C$ 583United Airlines
Find Deal
Fri, 14 Feb - Mon, 17 Feb
5:25 p.m. - 6:54 p.m.YOW-ORD
2h 29mdirect
12:55 p.m. - 10:05 p.m.ORD-YOW
8h 10m1 stop
C$ 601United Airlines
Find Deal
Wed, 9 Apr - Sat, 12 Apr
8:25 a.m. - 1:11 p.m.YOW-ORD
5h 46m1 stop
3:40 p.m. - 10:07 p.m.ORD-YOW
5h 27m1 stop
C$ 606Air Canada
Find Deal
Sun, 27 Apr - Sat, 3 May
11:00 a.m. - 2:45 p.m.YOW-ORD
4h 45m1 stop
7:05 a.m. - 1:23 p.m.ORD-YOW
5h 18m1 stop
C$ 608Air Canada
Find Deal
Thu, 23 Jan - Thu, 30 Jan
5:55 a.m. - 4:13 p.m.YOW-ORD
11h 18m2 stops
1:40 p.m. - 12:10 a.m.ORD-YOW
9h 30m2 stops
C$ 720WestJet
Find Deal
Thu, 23 Jan - Thu, 30 Jan
5:55 a.m. - 12:55 p.m.YOW-ORD
8h 00m2 stops
1:40 p.m. - 12:10 a.m.ORD-YOW
9h 30m2 stops
C$ 736WestJet
Find Deal
Fri, 24 Jan - Sun, 26 Jan
2:50 p.m. - 12:57 p.m.YOW-ORD
23h 07m2 stops
C$ 255
Find Deal
Fri, 7 Feb
7:00 a.m. - 12:10 p.m.YOW-MDW
6h 10m1 stop
C$ 276Porter Airlines
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Wed, 15 Jan
10:00 a.m. - 9:34 a.m.YOW-ORD
24h 34m1 stop
C$ 293
Find Deal
Fri, 7 Feb
5:25 p.m. - 6:54 p.m.YOW-ORD
2h 29mdirect
C$ 326Air Canada
Find Deal
Wed, 7 May
11:05 a.m. - 2:55 p.m.YOW-ORD
4h 50m1 stop
C$ 333Air Canada
Find Deal
Wed, 7 May
6:30 a.m. - 5:04 p.m.YOW-ORD
11h 34m2 stops
C$ 350United Airlines
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Wed, 7 May
6:15 a.m. - 4:44 p.m.YOW-ORD
11h 29m2 stops
C$ 385WestJet
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Sat, 14 Jun
5:55 a.m. - 12:30 p.m.YOW-MDW
7h 35m2 stops
C$ 621Delta
Find Deal
Sat, 14 Jun
5:55 a.m. - 12:30 p.m.YOW-MDW
7h 35m2 stops
C$ 623Delta
Find Deal
Wed, 7 May
8:10 p.m. - 10:12 a.m.YOW-MDW
15h 02m2 stops
C$ 654WestJet
Find Deal
Wed, 15 Jan
11:50 a.m. - 4:40 p.m.YOW-MDW
5h 50m1 stop
12:05 p.m. - 5:06 p.m.MDW-YOW
4h 01m1 stop
C$ 864Porter Airlines
Find Deal
Fri, 27 Dec - Mon, 6 Jan
7:00 a.m. - 10:20 a.m.YOW-MDW
4h 20m1 stop
5:35 p.m. - 10:26 p.m.MDW-YOW
3h 51m1 stop
C$ 944Porter Airlines
Find Deal
Fri, 27 Dec - Mon, 6 Jan
7:00 a.m. - 10:20 a.m.YOW-MDW
4h 20m1 stop
11:15 a.m. - 5:06 p.m.MDW-YOW
4h 51m1 stop
C$ 1,037Porter Airlines
Find Deal
Fri, 27 Dec - Tue, 31 Dec
11:50 a.m. - 4:40 p.m.YOW-MDW
5h 50m1 stop
11:15 a.m. - 5:06 p.m.MDW-YOW
4h 51m1 stop
C$ 1,109Porter Airlines
Find Deal
Thu, 26 Dec - Tue, 31 Dec
5:55 a.m. - 4:40 p.m.YOW-ORD
11h 45m2 stops
10:30 a.m. - 12:10 a.m.ORD-YOW
12h 40m2 stops
C$ 1,310WestJet
Find Deal
Fri, 27 Dec - Mon, 6 Jan
11:35 a.m. - 2:51 p.m.YOW-ORD
4h 16m1 stop
1:55 p.m. - 5:06 p.m.ORD-YOW
2h 11mdirect
C$ 1,317Air Canada
Find Deal
Fri, 27 Dec - Mon, 6 Jan
6:20 a.m. - 8:03 a.m.YOW-ORD
2h 43mdirect
6:06 p.m. - 9:24 p.m.ORD-YOW
2h 18mdirect
C$ 1,324Air Canada
Find Deal
Fri, 27 Dec - Mon, 6 Jan
5:55 a.m. - 5:44 p.m.YOW-MDW
12h 49m2 stops
11:15 a.m. - 5:06 p.m.MDW-YOW
4h 51m1 stop
C$ 1,418
Find Deal
Fri, 27 Dec - Tue, 31 Dec
5:55 a.m. - 8:59 p.m.YOW-ORD
16h 04m2 stops
7:00 a.m. - 12:10 a.m.ORD-YOW
16h 10m2 stops
C$ 1,423WestJet
Find Deal
Fri, 27 Dec - Tue, 31 Dec
6:20 a.m. - 8:03 a.m.YOW-ORD
2h 43mdirect
6:06 p.m. - 9:24 p.m.ORD-YOW
2h 18mdirect
C$ 1,429United Airlines
Find Deal
Fri, 27 Dec - Tue, 31 Dec
11:25 a.m. - 12:59 p.m.YOW-ORD
2h 34mdirect
7:26 a.m. - 10:31 a.m.ORD-YOW
2h 05mdirect
C$ 583United Airlines
Find Deal
Thu, 13 Feb - Mon, 17 Feb
5:25 p.m. - 6:54 p.m.YOW-ORD
2h 29mdirect
1:56 p.m. - 5:06 p.m.ORD-YOW
2h 10mdirect
C$ 601
Find Deal
Wed, 9 Apr - Sat, 12 Apr
5:00 p.m. - 6:38 p.m.YOW-ORD
2h 38mdirect
7:26 a.m. - 10:31 a.m.ORD-YOW
2h 05mdirect
C$ 629United Airlines
Find Deal
Sat, 18 Jan - Thu, 13 Feb
6:20 a.m. - 8:00 a.m.YOW-ORD
2h 40mdirect
6:08 p.m. - 9:24 p.m.ORD-YOW
2h 16mdirect
C$ 684Air Canada
Find Deal
Wed, 15 Jan - Sat, 18 Jan
5:00 p.m. - 6:38 p.m.YOW-ORD
2h 38mdirect
1:55 p.m. - 5:06 p.m.ORD-YOW
2h 11mdirect
C$ 719
Find Deal
Thu, 23 Jan - Thu, 30 Jan
5:25 p.m. - 6:54 p.m.YOW-ORD
2h 29mdirect
6:19 p.m. - 9:35 p.m.ORD-YOW
2h 16mdirect
C$ 726
Find Deal
Wed, 9 Apr - Fri, 11 Apr
5:25 p.m. - 6:54 p.m.YOW-ORD
2h 29mdirect
6:19 p.m. - 9:35 p.m.ORD-YOW
2h 16mdirect
C$ 728United Airlines
Find Deal
Wed, 9 Apr - Fri, 11 Apr
5:00 p.m. - 6:38 p.m.YOW-ORD
2h 38mdirect
6:08 p.m. - 9:24 p.m.ORD-YOW
2h 16mdirect
C$ 854Air Canada
Find Deal
Tue, 7 Jan - Thu, 9 Jan
6:33 a.m. - 8:02 a.m.YOW-ORD
2h 29mdirect
1:55 p.m. - 5:06 p.m.ORD-YOW
2h 11mdirect
C$ 1,078Air Canada
Find Deal
Sun, 4 May - Sat, 10 May
6:40 p.m. - 7:48 p.m.YOW-ORD
2h 08mdirect
2:00 p.m. - 4:50 p.m.ORD-YOW
1h 50mdirect
C$ 1,135Air Canada
Find Deal
Mon, 16 Jun - Thu, 19 Jun

WestJet flights from Ottawa to Illinois

Our best WestJet deals on Ottawa to Illinois flight tickets
WestJet
23 Jan
YOW5:55 a.m.Ottawa
11h 18m
2 stops
ORD4:13 p.m.Chicago O'Hare Intl
30 Jan
ORD1:40 p.m.Chicago O'Hare Intl
9h 30m
2 stops
YOW12:10 a.m.Ottawa
WestJet
24 Jan
YOW5:55 a.m.Ottawa
8h 00m
2 stops
ORD12:55 p.m.Chicago O'Hare Intl
26 Jan
ORD1:40 p.m.Chicago O'Hare Intl
9h 30m
2 stops
YOW12:10 a.m.Ottawa
WestJet
3 Apr
YOW6:15 a.m.Ottawa
10h 41m
1 stop
ORD3:56 p.m.Chicago O'Hare Intl
6 Apr
ORD4:45 p.m.Chicago O'Hare Intl
25h 34m
2 stops
YOW7:19 p.m.Ottawa

Air Canada flights from Ottawa to Illinois

Our best Air Canada deals on Ottawa to Illinois flight tickets
Air Canada
27 Apr
YOW8:25 a.m.Ottawa
5h 46m
1 stop
ORD1:11 p.m.Chicago O'Hare Intl
3 May
ORD3:40 p.m.Chicago O'Hare Intl
5h 27m
1 stop
YOW10:07 p.m.Ottawa
Air Canada
23 Jan
YOW11:00 a.m.Ottawa
4h 45m
1 stop
ORD2:45 p.m.Chicago O'Hare Intl
30 Jan
ORD7:05 a.m.Chicago O'Hare Intl
5h 18m
1 stop
YOW1:23 p.m.Ottawa
Air Canada
14 Feb
YOW5:15 a.m.Ottawa
5h 49m
1 stop
ORD10:04 a.m.Chicago O'Hare Intl
17 Feb
ORD2:05 p.m.Chicago O'Hare Intl
6h 32m
1 stop
YOW9:37 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, April 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$ 438. If you don’t want to visit Illinois in April, then you should wait until February to fly from Ottawa, when ticket prices are also cheap, with an average price of C$ 502.

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

According to our data, Thursday is the cheapest day to fly to Illinois from Ottawa. The lowest ticket price found for a Thursday departure recently was C$ 520. 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 Friday, with ticket prices averaging around C$ 630.

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$ 525. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are C$ 605 on average. Flights to Illinois from Ottawa in the afternoon 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?

Most flyers found that booking tickets 52 days in advance of their planned departure date is the best time to get cheap flights to Illinois. During this timeframe, flight prices are around C$ 768. Don’t hesitate to check prices now though, because momondo users recently found tickets for as low as C$ 599.

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.

Can stopping save me money on Ottawa to Illinois flights?

You could potentially save up to 28% on your flight if you consider stops on a Ottawa to Illinois flight.

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$ 255

Fastest flight time

2h 08m

Direct flights

Every day

Airports in Illinois

3 airports
The best one-way flight to Illinois from Ottawa in the past 72 hours is C$ 255. The best round-trip flight deal from Ottawa to Illinois found on momondo in the last 72 hours is C$ 399.
The fastest flight from Ottawa to Illinois takes 2h 08m
Direct flights go from Ottawa to Illinois every day.
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$ 390Free CancellationRating
7.9
282 reviews
Search Porter Airlines flights
Air CanadaPriceFrom C$ 585Free CancellationRating
7.0
8,430 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 633Free CancellationRating
7.4
9,003 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.


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