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$117+ Cheap flights from Illinois to Ottawa (YOW)

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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YOW
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Illinois to Ottawa

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) to Ottawa (YOW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Round-trip from

$296
(Kiwi.com)

One-way from

$117
(Kiwi.com)

Good round-trip deal

$241 or less

Good one-way deal

$268 or less
From Illinois to Ottawa
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One-way flight from Illinois to Ottawa
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Price to beat on a one-way flight from Illinois to Ottawa.
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Find flight deals from Illinois to Ottawa

Cheapest flights from Illinois to Ottawa
Explore the most affordable flight options available from Illinois to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This Kiwi.com deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/510:25 amORD - YOW
1 stop8h 50mMultiple Airlines
Wed 3/124:20 pmYOW - ORD
1 stop8h 47mMultiple Airlines
Deal found 1/21$296
This Mytrip deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/161:05 pmMDW - YOW
1 stop4h 34mPorter Airlines
Thu 2/209:30 amYOW - MDW
1 stop3h 40mPorter Airlines
Deal found 1/21$304
This Mytrip deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/64:45 pmORD - YOW
2 stops27h 02mWestJet
Thu 3/136:15 amYOW - ORD
1 stop10h 41mWestJet
Deal found 1/20$406
This Mytrip deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/274:00 pmSTL - YOW
2 stops22h 12mMultiple Airlines
Wed 3/58:15 pmYOW - STL
2 stops21h 27mMultiple Airlines
Deal found 1/21$442
This Kiwi.com deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1112:51 pmMDW - YOW
2 stops10h 18mMultiple Airlines
Thu 3/137:00 amYOW - MDW
1 stop4h 20mMultiple Airlines
Deal found 1/21$453
This Gotogate deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/67:26 amORD - YOW
Nonstop2h 02mAir Canada
Thu 3/136:25 amYOW - ORD
Nonstop2h 34mAir Canada
Deal found 1/20$503
This United Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/197:20 amORD - YOW
1 stop5h 00mUnited Airlines
Wed 2/195:00 pmYOW - ORD
Nonstop2h 34mUnited Airlines
Deal found 1/20$522
This Kissandfly.com deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/77:30 amORD - YOW
1 stop6h 05mLufthansa
Fri 3/1411:25 amYOW - ORD
Nonstop2h 31mLufthansa
Deal found 1/20$543
This United Airlines deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/277:00 amSTL - YOW
1 stop8h 16mUnited Airlines
Wed 3/55:50 pmYOW - STL
1 stop18h 32mUnited Airlines
Deal found 1/21$614
This Flysmarter deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/277:00 amSTL - YOW
1 stop8h 16mAir Canada
Wed 3/57:30 pmYOW - STL
2 stops16h 52mAir Canada
Deal found 1/21$625
This WestJet deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/123:40 pmMDW - YOW
2 stops14h 05mWestJet
Sat 7/195:55 amYOW - MDW
2 stops13h 08mWestJet
Deal found 1/21$1,105
This Delta deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/109:30 amMDW - YOW
2 stops13h 52mDelta
Wed 6/185:55 amYOW - MDW
2 stops12h 06mDelta
Deal found 1/20$1,111

Find flights from Illinois to Ottawa within your budget

Customize your flight search to find flights from Illinois to Ottawa 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 2,558,603 searches. Data last updated January 21, 2025.

Fly from

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Fly to

Any airport

Route

Depart

Return

Price

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Wed 3/5

10:25 am-8:15 pm

1 stop8h 50m

Ottawa

Wed 3/12

4:20 pm-12:07 am

1 stop8h 47m

$296

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Sun 2/16

1:05 pm-6:39 pm

1 stop4h 34m

Ottawa

Thu 2/20

9:30 am-12:10 pm

1 stop3h 40m

$304

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Thu 3/6

4:45 pm-8:47 pm

2 stops27h 02m

Ottawa

Thu 3/13

6:15 am-3:56 pm

1 stop10h 41m

$406

St. LouisOttawa

STL - YOW

STLYOW

Lambert-St Louis

Thu 2/27

4:00 pm-3:12 pm

2 stops22h 12m

Ottawa

Wed 3/5

8:15 pm-4:42 pm

2 stops21h 27m

$442

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Tue 3/11

12:51 pm-12:09 am

2 stops10h 18m

Ottawa

Thu 3/13

7:00 am-10:20 am

1 stop4h 20m

$453

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Thu 3/6

7:26 am-10:28 am

Nonstop2h 02m

Ottawa

Thu 3/13

6:25 am-7:59 am

Nonstop2h 34m

$503

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Wed 2/19

7:20 am-1:20 pm

1 stop5h 00m

Ottawa

Wed 2/19

5:00 pm-6:34 pm

Nonstop2h 34m

$522

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Fri 3/7

7:30 am-2:35 pm

1 stop6h 05m

Ottawa

Fri 3/14

11:25 am-12:56 pm

Nonstop2h 31m

$543

St. LouisOttawa

STL - YOW

STLYOW

Lambert-St Louis

Thu 2/27

7:00 am-4:16 pm

1 stop8h 16m

Ottawa

Wed 3/5

5:50 pm-11:22 am

1 stop18h 32m

$614

St. LouisOttawa

STL - YOW

STLYOW

Lambert-St Louis

Thu 2/27

7:00 am-4:16 pm

1 stop8h 16m

Ottawa

Wed 3/5

7:30 pm-11:22 am

2 stops16h 52m

$625

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 23 results
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Best time to book a flight from Illinois to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Illinois to Ottawa

Get recent, data-driven insights about flights from Illinois to Ottawa including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Illinois to Ottawa?

Currently, January is the cheapest month in which you can book a flight from Illinois to Ottawa (average of $294). Flying from Illinois to Ottawa in May is currently the most expensive (average of $474). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IL to YOW?

Find hourly flight availability from Illinois to Ottawa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 21, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Ottawa as you normally would.

Weekly flight availability from Illinois to Ottawa

Explore weekly flight availability from Illinois to Ottawa. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated January 21, 2025.

The most flights from USIL to YOW are scheduled on a Monday (11 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (11 on average).

Rainfall in Ottawa by month

Plan your trip to Ottawa by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ottawa ranges from 2.0 - 3.7 inches per month. June is typically the wettest month, when rainfall can reach 3.7 in. February is typically the driest time to visit Ottawa when rainfall is around 2.0 in.

Temperature in Ottawa by month

Plan your trip to Ottawa by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ottawa, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 F).

Reviews of airlines servicing Ottawa

Get insights into the airlines that provide service to Ottawa. 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 Ottawa. Reviews last updated January 21, 2025.
To help decide which airline to fly from Illinois to Ottawa, see what other customers have to say about WestJet, Air Canada and United Airlines. 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.
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Porter Airlines
7.9
Good
277 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
8,985 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

WestJet
7.2
Good
2,829 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Canada
7.0
Good
8,635 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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

    If you book a flight to Ottawa from Illinois, you will be flying to Ottawa, which is the city’s only airport. Ottawa (YOW) is located 6.6 mi from the center of Ottawa.

  • What are the cheapest airlines to fly from Illinois to Ottawa one-way?

    The cheapest airline one-way is Porter Airlines, with whom users have recently found tickets for as low as $144. However, be on the lookout for offers from United Airlines and WestJet, as they are both options that can get you from Illinois to Ottawa for a low price.

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

    When deciding which route to take from Illinois to Ottawa consider Chicago O'Hare Intl - Ottawa, Chicago Midway - Ottawa or Lambert-St Louis - Ottawa as they are the most popular.

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

    No one likes to see their flight delayed. When booking a flight from Illinois to Ottawa consider choosing Emirates (87%), Republic Airways (81%) or Avianca (79%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Illinois to Ottawa?

    While on average a flight from Illinois to Ottawa is generally $592, our data shows the cheapest flight currently is $241. When looking at the most popular route, (Chicago O'Hare Intl - Ottawa), you can expect to pay $297 for that flight.

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

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

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

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Ottawa.

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

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

  • What is the cheapest month to book a flight from Illinois to Ottawa?

    Currently, January is the cheapest month in which you can book a flight from Illinois to Ottawa (average of $294). Flying from Illinois to Ottawa in May is currently the most expensive (average of $474). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Illinois?

Book flights to Illinois if you plan to visit one of these locations
Gatineau
Brockville
Pembroke
Petawawa

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Alternative routes for Illinois to Ottawa

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Illinois to Ottawa

Discover the top 3 airlines that operate flights from Illinois to Ottawa. 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 2,558,603 searches. Data last updated January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$241Average$593FlexibilityNo cancel feeOn-time67%
Porter AirlinesCheapest$363Average$496FlexibilityNo cancel feeOn-time52%
United AirlinesCheapest$509Average$748FlexibilityNo cancel feeOn-time69%
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