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Cheap flights from Ottawa to Illinois from C$ 191

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 6/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
YOW — ORD
3 Apr — 10 Apr1
1 adult
Wed 3/4
Wed 10/4

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

Users have found that booking a flight from Ottawa to Illinois at least 43 days early can save you up to 100% on average compared to booking a flight this week. If booking 43 days before your flight isn’t an option for you, users have found flights from Ottawa to Illinois for as little as C$ 506 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as C$ 804 for flights departing within the next 3 days.

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

April is one of the best times of the year to fly to Illinois from Ottawa. Prices for April average C$ 578 per person but you can even find prices for as low as C$ 370. The most expensive prices can be found in the month of September. Opting for a April flight can save you 19% on your journey compared to booking in September

When is the cheapest time to fly from Ottawa to Illinois (YOW - IL)?

When flying from Ottawa to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Delta flights from Ottawa to Illinois

Explore cheap flight options specifically provided by Delta for the route between Ottawa and Illinois. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 586,909 searches. Data last updated 29 March 2024.
Find some of the cheapest Delta flights travelling from Ottawa to Illinois. Make sure to check back often as deals are often changing.
Tue 16/46:00 a.m.YOW - ORD
2 stops17h 21mDelta
Thu 18/412:35 p.m.ORD - YOW
2 stops10h 44mDelta
Deal found 28/3C$ 943
Sun 14/46:00 a.m.YOW - ORD
2 stops11h 35mDelta
Fri 19/49:30 a.m.ORD - YOW
2 stops13h 49mDelta
Deal found 28/3C$ 994
Wed 3/46:00 a.m.YOW - MDW
2 stops11h 15mDelta
Fri 5/41:14 p.m.MDW - YOW
2 stops10h 05mDelta
Deal found 28/3C$ 1,654

Cheap Air Canada flights from Ottawa to Illinois

Explore cheap flight options specifically provided by Air Canada for the route between Ottawa and Illinois. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 586,909 searches. Data last updated 29 March 2024.
Some of the lowest-priced Air Canada flights we've found at this time heading from Ottawa to Illinois. Ensure the flight price, dates, time, and airline match your criteria before you book.
Thu 25/45:30 a.m.YOW - ORD
1 stop4h 24mAir Canada
Thu 2/56:22 p.m.ORD - YOW
Nonstop2h 10mAir Canada
Deal found 28/3C$ 491
Fri 19/45:30 a.m.YOW - ORD
1 stop4h 24mAir Canada
Mon 22/48:35 p.m.ORD - YOW
1 stop3h 57mAir Canada
Deal found 27/3C$ 503
Thu 9/58:10 a.m.YOW - ORD
1 stop6h 05mAir Canada
Sun 12/56:00 a.m.ORD - YOW
1 stop6h 12mAir Canada
Deal found 28/3C$ 505
Thu 25/49:00 a.m.YOW - ORD
1 stop5h 24mAir Canada
Thu 2/56:00 a.m.ORD - YOW
1 stop6h 12mAir Canada
Deal found 28/3C$ 506
Thu 25/49:00 a.m.YOW - ORD
1 stop5h 24mAir Canada
Thu 2/56:00 a.m.ORD - YOW
1 stop6h 12mAir Canada
Deal found 28/3C$ 513
Fri 19/46:38 a.m.YOW - ORD
Nonstop2h 25mAir Canada
Mon 29/48:35 p.m.ORD - YOW
1 stop3h 57mAir Canada
Deal found 27/3C$ 522
Tue 7/55:24 p.m.YOW - ORD
Nonstop2h 25mAir Canada
Wed 8/56:00 a.m.ORD - YOW
1 stop6h 12mAir Canada
Deal found 27/3C$ 536
Thu 25/45:30 a.m.YOW - ORD
1 stop4h 28mAir Canada
Thu 2/56:22 p.m.ORD - YOW
Nonstop2h 10mAir Canada
Deal found 28/3C$ 646
Tue 7/55:24 p.m.YOW - ORD
Nonstop2h 25mAir Canada
Wed 8/56:22 p.m.ORD - YOW
Nonstop2h 10mAir Canada
Deal found 27/3C$ 669

Cheap Ottawa to Illinois flights in March & April 2024

Find cheap flight options from Ottawa to Illinois specifically for the months of March and April 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 586,909 searches. Prices were last updated on 29 March 2024.
Check out some of the best flight deals from Ottawa to Illinois in 2024. Check back regularly for other flight deals.
Sat 27/44:25 p.m.YOW - MDW
1 stop3h 37mPorter Airlines
Sat 4/512:30 p.m.MDW - YOW
1 stop5h 54mPorter Airlines
Deal found 28/3C$ 402
Thu 25/45:10 p.m.YOW - MDW
1 stop5h 27mPorter Airlines
Thu 2/58:00 a.m.MDW - YOW
1 stop6h 29mPorter Airlines
Deal found 28/3C$ 403
Thu 25/41:15 p.m.YOW - MDW
1 stop4h 02mPorter Airlines
Thu 2/58:00 a.m.MDW - YOW
1 stop6h 29mPorter Airlines
Deal found 28/3C$ 410
Thu 18/45:10 p.m.YOW - MDW
1 stop5h 27mPorter Airlines
Sun 21/48:40 a.m.MDW - YOW
1 stop4h 59mPorter Airlines
Deal found 28/3C$ 411
Thu 25/45:10 p.m.YOW - MDW
1 stop5h 27mPorter Airlines
Thu 2/58:00 a.m.MDW - YOW
1 stop3h 39mPorter Airlines
Deal found 28/3C$ 416
Thu 25/41:15 p.m.YOW - MDW
1 stop4h 02mPorter Airlines
Thu 2/58:00 a.m.MDW - YOW
1 stop3h 39mPorter Airlines
Deal found 28/3C$ 419
Sat 27/48:35 a.m.YOW - MDW
1 stop3h 57mPorter Airlines
Sat 4/58:00 a.m.MDW - YOW
1 stop4h 54mPorter Airlines
Deal found 29/3C$ 422
Sun 14/47:05 p.m.YOW - MDW
1 stop3h 32mPorter Airlines
Fri 19/48:00 a.m.MDW - YOW
1 stop6h 29mPorter Airlines
Deal found 28/3C$ 445
Thu 25/42:55 p.m.YOW - ORD
1 stop9h 08mMultiple Airlines
Thu 2/55:00 a.m.ORD - YOW
1 stop8h 10mMultiple Airlines
Deal found 28/3C$ 446

Ottawa to Illinois 2024 flight deals

Discover exclusive flight deals for travel between Ottawa and Illinois in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 586,909 searches. Data last updated 29 March 2024.
Check out some of the best flight deals from Ottawa to Illinois in 2024. Check back regularly for other flight deals.
Tue 7/511:30 a.m.YOW - MDW
1 stop5h 47mPorter Airlines
Wed 8/511:05 a.m.MDW - YOW
1 stop6h 09mPorter Airlines
Deal found 27/3C$ 372
Thu 9/56:55 p.m.YOW - MDW
1 stop3h 42mPorter Airlines
Sun 12/58:40 a.m.MDW - YOW
1 stop6h 59mPorter Airlines
Deal found 27/3C$ 376
Sat 27/44:25 p.m.YOW - MDW
1 stop3h 37mPorter Airlines
Sat 4/512:30 p.m.MDW - YOW
1 stop5h 54mPorter Airlines
Deal found 28/3C$ 402
Thu 25/45:10 p.m.YOW - MDW
1 stop5h 27mPorter Airlines
Thu 2/58:00 a.m.MDW - YOW
1 stop6h 29mPorter Airlines
Deal found 28/3C$ 403
Sat 4/54:25 p.m.YOW - MDW
1 stop3h 37mPorter Airlines
Mon 6/58:00 a.m.MDW - YOW
1 stop3h 39mPorter Airlines
Deal found 28/3C$ 404
Thu 25/41:15 p.m.YOW - MDW
1 stop4h 02mPorter Airlines
Thu 2/58:00 a.m.MDW - YOW
1 stop6h 29mPorter Airlines
Deal found 28/3C$ 410
Thu 18/45:10 p.m.YOW - MDW
1 stop5h 27mPorter Airlines
Sun 21/48:40 a.m.MDW - YOW
1 stop4h 59mPorter Airlines
Deal found 28/3C$ 411
Thu 25/45:10 p.m.YOW - MDW
1 stop5h 27mPorter Airlines
Thu 2/58:00 a.m.MDW - YOW
1 stop3h 39mPorter Airlines
Deal found 28/3C$ 416
Thu 25/41:15 p.m.YOW - MDW
1 stop4h 02mPorter Airlines
Thu 2/58:00 a.m.MDW - YOW
1 stop3h 39mPorter Airlines
Deal found 28/3C$ 419

Direct flights to Illinois from Ottawa

Discover non-stop flight options from Ottawa to Illinois. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 586,909 searches. Data last updated 29 March 2024.
For a quicker trip, book one of these direct flights from Ottawa to Illinois. If you're looking for other options for flights from Ottawa to Illinois, make sure to update the search form at the top of page.
Tue 7/55:24 p.m.YOW - ORD
Nonstop2h 25mAir Canada
Wed 8/56:22 p.m.ORD - YOW
Nonstop2h 10mAir Canada
Deal found 27/3C$ 669
Sat 4/56:35 a.m.YOW - ORD
Nonstop2h 25mUnited Airlines
Mon 6/56:22 p.m.ORD - YOW
Nonstop2h 10mUnited Airlines
Deal found 28/3C$ 681
Thu 19/911:25 a.m.YOW - ORD
Nonstop2h 17mAir Canada
Mon 23/97:25 a.m.ORD - YOW
Nonstop2h 08mAir Canada
Deal found 28/3C$ 696
Fri 19/46:38 a.m.YOW - ORD
Nonstop2h 25mAir Canada
Mon 22/46:22 p.m.ORD - YOW
Nonstop2h 10mAir Canada
Deal found 27/3C$ 704
Thu 25/46:38 a.m.YOW - ORD
Nonstop2h 25mUnited Airlines
Thu 2/56:22 p.m.ORD - YOW
Nonstop2h 10mUnited Airlines
Deal found 28/3C$ 705
Thu 19/96:35 a.m.YOW - ORD
Nonstop2h 28mAir Canada
Mon 23/97:25 a.m.ORD - YOW
Nonstop2h 08mAir Canada
Deal found 29/3C$ 739
Sat 27/45:24 p.m.YOW - ORD
Nonstop2h 25mUnited Airlines
Sat 4/56:22 p.m.ORD - YOW
Nonstop2h 10mUnited Airlines
Deal found 29/3C$ 750
Fri 21/66:38 a.m.YOW - ORD
Nonstop2h 22mAir Canada
Mon 24/66:30 p.m.ORD - YOW
Nonstop2h 18mAir Canada
Deal found 28/3C$ 767
Fri 5/75:30 p.m.YOW - ORD
Nonstop2h 25mUnited Airlines
Tue 9/76:34 p.m.ORD - YOW
Nonstop2h 18mUnited Airlines
Deal found 28/3C$ 769

Ottawa to Illinois flights leaving soon

Find last-minute flight options from Ottawa to Illinois for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 586,909 searches. Data last updated 29 March 2024.
Check out these flights departing soon from Ottawa to Illinois. Users should examine the flight details to ensure there are no surprises.
Mon 8/45:30 p.m.YOW - ORD
1 stop31h 01mMultiple Airlines
Thu 2/511:11 a.m.ORD - YOW
1 stop7h 56mMultiple Airlines
Deal found 27/3C$ 454
Fri 5/45:30 p.m.YOW - ORD
1 stop9h 10mMultiple Airlines
Mon 8/410:00 p.m.ORD - YOW
2 stops20h 34mMultiple Airlines
Deal found 27/3C$ 547
Fri 5/45:30 p.m.YOW - ORD
1 stop9h 10mMultiple Airlines
Mon 8/47:44 p.m.ORD - YOW
1 stop22h 50mMultiple Airlines
Deal found 27/3C$ 564
Mon 8/45:30 p.m.YOW - ORD
1 stop9h 10mMultiple Airlines
Thu 2/56:00 a.m.ORD - YOW
2 stops13h 07mMultiple Airlines
Deal found 27/3C$ 578
Thu 4/42:55 p.m.YOW - ORD
2 stops17h 42mMultiple Airlines
Sat 6/45:00 a.m.ORD - YOW
1 stop8h 10mMultiple Airlines
Deal found 28/3C$ 585
Thu 4/45:10 p.m.YOW - ORD
1 stop9h 30mMultiple Airlines
Sat 6/45:00 a.m.ORD - YOW
1 stop8h 10mMultiple Airlines
Deal found 28/3C$ 605
Fri 5/47:10 a.m.YOW - MDW
1 stop3h 57mPorter Airlines
Sun 7/48:40 a.m.MDW - YOW
1 stop4h 59mPorter Airlines
Deal found 28/3C$ 624
Wed 3/45:30 p.m.YOW - MDW
1 stop18h 24mMultiple Airlines
Fri 5/47:55 a.m.MDW - YOW
1 stop10h 57mMultiple Airlines
Deal found 28/3C$ 627
Wed 3/45:30 p.m.YOW - MDW
1 stop18h 24mMultiple Airlines
Fri 5/47:55 a.m.MDW - YOW
1 stop10h 57mMultiple Airlines
Deal found 28/3C$ 632

One-way flights to Illinois from Ottawa

Search for one-way flight options from Ottawa to Illinois. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 586,909 searches. Data last updated 29 March 2024.
Users in need of a one-way flight from Ottawa to Illinois can choose from these deals. Users can also find round-trip Ottawa to Illinois flights by using the search form above.
Mon 6/511:30 a.m.YOW - MDW
1 stop5h 47mPorter Airlines
Deal found 28/3C$ 191
Tue 23/42:55 p.m.YOW - ORD
1 stop10h 25mMultiple Airlines
Deal found 28/3C$ 212
Tue 16/42:55 p.m.YOW - ORD
1 stop10h 25mMultiple Airlines
Deal found 28/3C$ 224
Thu 18/45:10 p.m.YOW - MDW
1 stop5h 27mPorter Airlines
Deal found 28/3C$ 236
Sat 13/42:55 p.m.YOW - ORD
1 stop10h 25mMultiple Airlines
Deal found 28/3C$ 247
Tue 21/512:00 p.m.YOW - ORD
1 stop10h 46mMultiple Airlines
Deal found 27/3C$ 248
Tue 21/511:30 a.m.YOW - MDW
1 stop5h 47mPorter Airlines
Deal found 27/3C$ 256
Thu 18/42:55 p.m.YOW - ORD
1 stop10h 25mMultiple Airlines
Deal found 28/3C$ 256
Mon 15/45:10 p.m.YOW - MDW
1 stop5h 27mPorter Airlines
Deal found 28/3C$ 273

Find flights from Ottawa to Illinois within your budget

Customize your flight search to find flights from Ottawa to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 586,909 searches. Data last updated 29 March 2024.

Fly from

Any airport

Fly to

Any airport

Budget

C$ 372 - C$ 943

Route

Depart

Return

Price

OttawaChicago Midway

YOW - MDW

YOWMDW

Ottawa

Tue 7/5

1 stop5h 47m

Chicago Midway

Wed 8/5

1 stop6h 09m

C$ 372

OttawaChicago Midway

YOW - MDW

YOWMDW

Ottawa

Thu 9/5

1 stop3h 42m

Chicago Midway

Sun 12/5

1 stop6h 59m

C$ 376

OttawaChicago Midway

YOW - MDW

YOWMDW

Ottawa

Sat 27/4

1 stop3h 37m

Chicago Midway

Sat 4/5

1 stop5h 54m

C$ 402

OttawaChicago O'Hare Intl

YOW - ORD

YOWORD

Ottawa

Mon 8/4

1 stop31h 01m

Chicago O'Hare Intl

Thu 2/5

1 stop7h 56m

C$ 454

OttawaChicago O'Hare Intl

YOW - ORD

YOWORD

Ottawa

Thu 18/4

1 stop8h 56m

Chicago O'Hare Intl

Mon 22/4

1 stop8h 11m

C$ 483

OttawaChicago O'Hare Intl

YOW - ORD

YOWORD

Ottawa

Thu 25/4

1 stop4h 24m

Chicago O'Hare Intl

Thu 2/5

Nonstop2h 10m

C$ 491

OttawaChicago O'Hare Intl

YOW - ORD

YOWORD

Ottawa

Thu 25/4

Nonstop2h 25m

Chicago O'Hare Intl

Thu 2/5

Nonstop2h 10m

C$ 800

OttawaChicago Midway

YOW - MDW

YOWMDW

Ottawa

Thu 25/4

2 stops28h 14m

Chicago Midway

Thu 2/5

2 stops13h 48m

C$ 817

OttawaChicago O'Hare Intl

YOW - ORD

YOWORD

Ottawa

Tue 16/4

2 stops17h 21m

Chicago O'Hare Intl

Thu 18/4

2 stops10h 44m

C$ 943

Flights are sorted by cheapest first

Deals found on 27/3

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated 29 March 2024.
Get a feel of what it's like to fly with Delta, Air Canada and United Airlines from Ottawa to Illinois by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
11,402 reviews

Comfort

7.9

Boarding

8.2

Food

7.5

Overall

8.1

Crew

8.6

Entertainment

8.0

Reviews

1 / 10

It was a good experience other than a short delay.

8.1
Very good
11,402 reviews
8.1
Very good
11,402 reviews

Comfort

7.9

Boarding

8.2

Food

7.5

Overall

8.1

Crew

8.6

Entertainment

8.0

Reviews

1 / 10

It was a good experience other than a short delay.

7.5
Good
3,036 reviews
8.1
Very good
11,402 reviews

Comfort

7.9

Boarding

8.2

Food

7.5

Overall

8.1

Crew

8.6

Entertainment

8.0

Reviews

1 / 10

It was a good experience other than a short delay.

7.4
Good
11,470 reviews
8.1
Very good
11,402 reviews

Comfort

7.9

Boarding

8.2

Food

7.5

Overall

8.1

Crew

8.6

Entertainment

8.0

Reviews

1 / 10

It was a good experience other than a short delay.

7.3
Good
450 reviews
8.1
Very good
11,402 reviews

Comfort

7.9

Boarding

8.2

Food

7.5

Overall

8.1

Crew

8.6

Entertainment

8.0

Reviews

1 / 10

It was a good experience other than a short delay.

7.0
Good
6,744 reviews
8.1
Very good
11,402 reviews

Comfort

7.9

Boarding

8.2

Food

7.5

Overall

8.1

Crew

8.6

Entertainment

8.0

Reviews

1 / 10

It was a good experience other than a short delay.

Related info for your journey

Find useful and relevant information for your journey from Ottawa to Illinois. 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 from for flights from Ottawa to Illinois?

    Ottawa (YOW) is the airport you will fly out of if you book a flight from Ottawa to Illinois. It is only a 10.6 km journey to Ottawa (YOW) from Ottawa’s city centre.

  • Can I find flights from Ottawa to Illinois for under C$ 400 on Cheapflights?

    Yes, there are multiple flights from Ottawa to Illinois for under C$ 400. The cheapest flight booked recently is on Porter Airlines for just C$ 372, but on average you can expect to pay C$ 429.

  • Are there direct flights from Ottawa to Illinois for under C$ 700 on Cheapflights?

    Cheapflights has 20 direct flights from Ottawa to Illinois under C$ 700. A good price for a direct flight from Ottawa to Illinois is less than C$ 777.

  • Are there last-minute flights available from Ottawa to Illinois for under C$ 500?

    There are currently 20+ open flights from Ottawa to Illinois within the next 7 days for less than C$ 500.

  • What days are direct flights available from Ottawa to Illinois?

    Direct flights are available for this route on the following days: Saturday.

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

    On average, you can expect to see 4 flights from Ottawa to Illinois a day.
    Early Morning (Midnight to 6am) - 100% of flight departures

  • How long is the flight from Ottawa to Illinois?

    Porter Airlines and Air Canada can get you from Ottawa to Illinois in just under 4h 24m. Your travel time can differ by up to 1h 23m. There are 1056 km between Ottawa and Illinois. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from Ottawa to Illinois?

  • What are the most reliable airlines from Ottawa to Illinois?

    Before booking your flight to Illinois from Ottawa, check out the most reliable airlines to get you to your destination on time: Avianca (100%), ANA (93%), Air Canada( 93%).

  • What are the cheapest flights from Ottawa to Illinois?

    Looking for the cheapest flight from Ottawa to Illinois? While on average our users pay C$ 1,659, our data indicates the cheapest price to be C$ 317. The most popular route (Ottawa - Chicago O'Hare Intl), is priced around C$ 454.

  • What does YOW to ORD mean?

    Great question - YOW to ORD just means Ottawa Airport to Chicago O'Hare Intl Airport. Now you’ll know what these unique codes when you look for flights! Ready for more IATA code knowledge? These are related airports for your current travel destination: Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Champaign University-Willard Airport (CMI).

  • Can I find deals for flights from Ottawa to Illinois that include extra baggage allowance?

    The amount of baggage you can bring depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Ottawa to Illinois with specific airlines?

    Yes, Cheapflights allows you to browse and filter flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

  • How can I find direct flights from Ottawa to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to see available direct flights.

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

    Yes. Cheapflights offers flight deals from Ottawa to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Ottawa to Illinois that allow pets onboard?

    Many airlines do offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • How recently were the Ottawa to Illinois flight deals updated?

    The Ottawa to Illinois flight deals you see on this page were last updated on 29/3.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ottawa to Illinois
See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Ottawa to Illinois

Discover the top 3 airlines that operate flights from Ottawa to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 586,909 searches. Data last updated 29 March 2024.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 383AverageC$ 498FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 519AverageC$ 721FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 657AverageC$ 789FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Search flights from Ottawa to Illinois by cabin class

Find flights from Ottawa to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from Ottawa to Illinois

Find hourly flight availability from Ottawa to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 March 2024.
58%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
42%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

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 Ottawa to Illinois?

Cheapflights makes it easy to find Ottawa to Illinois flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights helps you find that perfect flight to Illinois from Ottawa by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes! Cheapflights helps users easily find flights from Ottawa to Illinois with no change fees.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

Can I find deals on last-minute flights from Ottawa to Illinois?

Yes, you can often find last-minute deals on Ottawa to Illinois flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

How can I compare prices from different travel booking sites for flights from Ottawa to Illinois?

Cheapflights aggregates prices from various travel booking sites. This allows you to compare prices and choose the best deal.

Can I find deals for flights from Ottawa to Illinois that offer flexible cancellation policies?

Cancellation policies vary by airline and fare type. After entering your flight details, you can view the cancellation policies for each deal in the search results. Some deals may offer flexibility in terms of cancellation and changes.

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