Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Ottawa to Illinois from $184

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 1/23. 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
0 bags

Deals available from 900+ travel sites.

"This year, momondo is the #1 place for airfares on the internet."
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? 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.

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.
2:50 pm - 12:39 pmYOW-ORD
22h 49m2 stops
5:35 am - 2:57 pmORD-YOW
8h 22m1 stop
Mon, Jan 13 - Thu, Jan 16
8:35 am - 12:10 pmYOW-MDW
4h 35m1 stop
1:05 pm - 8:29 pmMDW-YOW
6h 24m1 stop
$362Porter Airlines
Find Deal
Mon, Jan 13 - Fri, Jan 17
5:00 pm - 6:38 pmYOW-ORD
2h 38mnonstop
6:08 pm - 9:24 pmORD-YOW
2h 16mnonstop
$398Air Canada
Find Deal
Mon, Jan 13 - Thu, Jan 16
5:00 pm - 6:38 pmYOW-ORD
2h 38mnonstop
1:55 pm - 5:06 pmORD-YOW
2h 11mnonstop
$401Air Canada
Find Deal
Mon, Jan 13 - Fri, Jan 17
2:10 pm - 10:57 pmYOW-ORD
9h 47m2 stops
9:10 am - 4:16 pmORD-YOW
6h 06m1 stop
$426United Airlines
Find Deal
Tue, Jan 28 - Fri, Jan 31
6:00 am - 2:34 pmYOW-ORD
9h 34m2 stops
10:50 am - 9:37 pmORD-YOW
9h 47m2 stops
$431United Airlines
Find Deal
Wed, Jan 15 - Sat, Jan 18
5:55 am - 4:13 pmYOW-ORD
11h 18m2 stops
1:40 pm - 12:10 amORD-YOW
9h 30m2 stops
$523WestJet
Find Deal
Wed, Jan 29 - Fri, Jan 31
5:55 am - 4:13 pmYOW-ORD
11h 18m2 stops
11:05 am - 12:10 amORD-YOW
12h 05m2 stops
$536WestJet
Find Deal
Wed, Jan 15 - Wed, Jan 22
5:55 am - 1:08 pmYOW-MDW
8h 13m2 stops
9:34 am - 12:10 amMDW-YOW
13h 36m2 stops
$798Delta
Find Deal
Mon, Jan 13 - Thu, Jan 16
5:55 am - 1:08 pmYOW-MDW
8h 13m2 stops
2:08 pm - 12:10 amMDW-YOW
9h 02m2 stops
$819Delta
Find Deal
Wed, Jan 29 - Fri, Jan 31
4:20 pm - 9:39 amYOW-ORD
18h 19m1 stop
Thu, Jan 23
5:10 pm - 12:39 pmYOW-ORD
20h 29m2 stops
Mon, Jan 13
8:35 am - 12:10 pmYOW-MDW
4h 35m1 stop
$202Porter Airlines
Find Deal
Mon, Jan 13
7:00 am - 11:10 amYOW-MDW
5h 10m1 stop
$203Porter Airlines
Find Deal
Mon, Dec 30
6:40 pm - 7:48 pmYOW-ORD
2h 08mnonstop
$223Air Canada
Find Deal
Wed, May 7
8:55 am - 12:00 pmYOW-ORD
4h 05m1 stop
$228Air Canada
Find Deal
Wed, May 7
2:10 pm - 11:09 pmYOW-ORD
9h 59m2 stops
$243United Airlines
Find Deal
Tue, Mar 4
5:30 am - 2:48 pmYOW-ORD
10h 18m2 stops
$333United Airlines
Find Deal
Sun, Mar 2
5:55 am - 10:34 pmYOW-BMI
17h 39m2 stops
$436WestJet
Find Deal
Sun, Jan 5
9:35 pm - 4:12 pmYOW-STL
19h 37m2 stops
$441WestJet
Find Deal
Mon, Dec 30
6:25 am - 6:31 pmYOW-ORD
13h 06m2 stops
10:01 am - 2:53 pmORD-YOW
27h 52m1 stop
Sun, Nov 24 - Fri, Nov 29
4:05 pm - 6:31 pmYOW-ORD
27h 26m1 stop
1:09 pm - 5:24 pmORD-YOW
27h 15m1 stop
Sun, Nov 24 - Fri, Nov 29
7:00 am - 10:20 amYOW-MDW
4h 20m1 stop
11:15 am - 6:31 pmMDW-YOW
6h 16m1 stop
$583Porter Airlines
Find Deal
Sun, Nov 24 - Fri, Nov 29
7:00 am - 10:20 amYOW-MDW
4h 20m1 stop
5:35 pm - 10:11 pmMDW-YOW
3h 36m1 stop
$626Porter Airlines
Find Deal
Fri, Nov 22 - Sun, Nov 24
6:20 am - 8:02 amYOW-ORD
2h 42mnonstop
7:20 am - 3:03 pmORD-YOW
6h 43m1 stop
$842Air Canada
Find Deal
Sun, Nov 24 - Fri, Nov 29
5:00 pm - 6:36 pmYOW-ORD
2h 36mnonstop
6:10 pm - 9:24 pmORD-YOW
2h 14mnonstop
$916Air Canada
Find Deal
Sat, Nov 23 - Sun, Nov 24
6:15 am - 9:32 amYOW-MDW
28h 17m2 stops
12:43 pm - 8:50 pmMDW-YOW
31h 07m2 stops
$964WestJet
Find Deal
Sat, Nov 23 - Sun, Nov 24
8:10 pm - 9:32 amYOW-MDW
14h 22m2 stops
2:17 pm - 8:50 pmMDW-YOW
29h 33m2 stops
$993WestJet
Find Deal
Fri, Nov 22 - Sun, Nov 24
5:00 pm - 6:36 pmYOW-ORD
2h 36mnonstop
3:45 pm - 10:01 pmORD-YOW
5h 16m1 stop
$1,006United Airlines
Find Deal
Fri, Nov 22 - Sun, Nov 24
5:00 pm - 6:36 pmYOW-ORD
2h 36mnonstop
2:36 pm - 10:01 pmORD-YOW
6h 25m1 stop
$1,007United Airlines
Find Deal
Fri, Nov 22 - Sun, Nov 24
5:00 pm - 6:38 pmYOW-ORD
2h 38mnonstop
6:08 pm - 9:24 pmORD-YOW
2h 16mnonstop
$398Air Canada
Find Deal
Mon, Jan 13 - Thu, Jan 16
5:00 pm - 6:38 pmYOW-ORD
2h 38mnonstop
1:55 pm - 5:06 pmORD-YOW
2h 11mnonstop
$401Air Canada
Find Deal
Mon, Jan 13 - Fri, Jan 17
10:35 am - 11:43 amYOW-ORD
2h 08mnonstop
6:20 pm - 9:14 pmORD-YOW
1h 54mnonstop
Wed, Apr 9 - Sat, Apr 12
5:00 pm - 6:38 pmYOW-ORD
2h 38mnonstop
6:08 pm - 9:24 pmORD-YOW
2h 16mnonstop
$466United Airlines
Find Deal
Tue, Jan 28 - Fri, Jan 31
5:00 pm - 6:36 pmYOW-ORD
2h 36mnonstop
7:28 am - 10:31 amORD-YOW
2h 03mnonstop
$474Air Canada
Find Deal
Thu, Dec 12 - Mon, Dec 16
6:20 am - 8:00 amYOW-ORD
2h 40mnonstop
7:26 am - 10:31 amORD-YOW
2h 05mnonstop
$503Air Canada
Find Deal
Sun, Mar 2 - Wed, Mar 5
5:00 pm - 6:36 pmYOW-ORD
2h 36mnonstop
6:10 pm - 9:24 pmORD-YOW
2h 14mnonstop
$526United Airlines
Find Deal
Tue, Dec 10 - Thu, Dec 12
5:00 pm - 6:36 pmYOW-ORD
2h 36mnonstop
7:28 am - 10:31 amORD-YOW
2h 03mnonstop
$531United Airlines
Find Deal
Mon, Dec 9 - Fri, Dec 13
6:20 am - 8:02 amYOW-ORD
2h 42mnonstop
7:28 am - 10:31 amORD-YOW
2h 03mnonstop
$590United Airlines
Find Deal
Thu, Dec 5 - Mon, Dec 9
6:20 am - 8:02 amYOW-ORD
2h 42mnonstop
6:10 pm - 9:24 pmORD-YOW
2h 14mnonstop
$594Air Canada
Find Deal
Wed, Dec 4 - Fri, Dec 6

Air Canada flights from Ottawa to Illinois

Our best Air Canada deals on Ottawa to Illinois flight tickets
Air Canada
Jan 13
YOW5:00 pmOttawa
2h 38m
ORD6:38 pmChicago O'Hare Intl
Jan 16
ORD6:08 pmChicago O'Hare Intl
2h 16m
YOW9:24 pmOttawa
Air Canada
Jan 13
YOW5:00 pmOttawa
2h 38m
ORD6:38 pmChicago O'Hare Intl
Jan 17
ORD1:55 pmChicago O'Hare Intl
2h 11m
YOW5:06 pmOttawa
Air Canada
Jan 13
YOW5:00 pmOttawa
2h 38m
ORD6:38 pmChicago O'Hare Intl
Jan 16
ORD7:20 amChicago O'Hare Intl
6h 43m
1 stop
YOW3:03 pmOttawa

United Airlines flights from Ottawa to Illinois

Our best United Airlines deals on Ottawa to Illinois flight tickets
United Airlines
Jan 28
YOW2:10 pmOttawa
9h 47m
2 stops
ORD10:57 pmChicago O'Hare Intl
Jan 31
ORD9:10 amChicago O'Hare Intl
6h 06m
1 stop
YOW4:16 pmOttawa
United Airlines
Jan 15
YOW6:00 amOttawa
9h 34m
2 stops
ORD2:34 pmChicago O'Hare Intl
Jan 18
ORD10:50 amChicago O'Hare Intl
9h 47m
2 stops
YOW9:37 pmOttawa
United Airlines
Jan 28
YOW5:00 pmOttawa
2h 38m
ORD6:38 pmChicago O'Hare Intl
Jan 31
ORD6:08 pmChicago O'Hare Intl
2h 16m
YOW9:24 pmOttawa

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 day to depart on your flight to Illinois?

The cheapest day to depart from Ottawa to Illinois is on a Tuesday when prices can be found for as low as $358. Flights from Ottawa to Illinois on a Friday will generally be more expensive and average around $532. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest Ottawa to Illinois flight route?

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

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 17% 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

$184

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 $184. The best round-trip flight deal from Ottawa to Illinois found on momondo in the last 72 hours is $361.
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 required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • 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 $266Free CancellationRating
7.8
288 reviews
Search Porter Airlines flights
Air CanadaPriceFrom $423Free CancellationRating
7.0
8,246 reviews
Search Air Canada flights
United AirlinesPriceFrom $426Free CancellationRating
7.4
9,172 reviews
Search United Airlines flights

Why use momondo?

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

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 Ottawa to Illinois for you.

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

Yes. momondo allows you to filter the results for Ottawa to Illinois flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Illinois from Ottawa. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Illinois from Ottawa. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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
From?
To?
Tue 11/26
Tue 12/3
Email me momondo's favorite deals

Find better results for your trip to Illinois

Popular cities in Illinois

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