Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Chicago to Ottawa from $120

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Ottawa departing on 5/12. 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

Discover deals from 900+ travel sites with momondo.

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 Chicago to Ottawa

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Chicago to Ottawa.
Porter Airlines Logo
9:40 am - 4:33 pmMDW-YOW
5h 53m1 stop
Porter Airlines Logo
12:35 pm - 4:54 pmYOW-MDW
5h 19m1 stop
$250Porter Airlines
Find Deal
Thu, May 1 - Sun, May 4
Porter Airlines Logo
9:40 am - 4:33 pmMDW-YOW
5h 53m1 stop
Porter Airlines Logo
12:25 pm - 4:24 pmYOW-MDW
4h 59m1 stop
$263Porter Airlines
Find Deal
Thu, May 8 - Mon, May 12
 Logo
6:15 am - 7:55 pmMDW-YOW
12h 40m1 stop
 Logo
12:35 pm - 4:54 pmYOW-MDW
5h 19m1 stop
Sun, May 11 - Mon, May 12
 Logo
5:20 pm - 12:22 amORD-YOW
30h 02m2 stops
 Logo
4:10 pm - 7:27 amYOW-ORD
16h 17m1 stop
Mon, May 12 - Mon, May 19
WestJet Logo
5:30 pm - 5:25 amORD-YOW
34h 55m2 stops
WestJet Logo
6:10 am - 4:44 pmYOW-ORD
11h 34m2 stops
$381WestJet
Find Deal
Thu, May 1 - Sun, May 4
Air Canada Logo
6:19 pm - 9:35 pmORD-YOW
2h 16mnonstop
Air Canada Logo
5:25 pm - 6:53 pmYOW-ORD
2h 28mnonstop
$471Air Canada
Find Deal
Thu, May 15 - Thu, May 22
Air Canada Logo
6:19 pm - 9:35 pmORD-YOW
2h 16mnonstop
Air Canada Logo
6:33 am - 8:02 amYOW-ORD
2h 29mnonstop
$479Air Canada
Find Deal
Thu, May 1 - Sun, May 4
United Airlines Logo
6:19 pm - 9:35 pmORD-YOW
2h 16mnonstop
United Airlines Logo
10:37 am - 12:03 pmYOW-ORD
2h 26mnonstop
$562United Airlines
Find Deal
Thu, May 8 - Sun, May 11
WestJet Logo
5:30 pm - 12:41 amORD-YOW
30h 11m1 stop
WestJet Logo
5:15 pm - 4:44 pmYOW-ORD
24h 29m2 stops
$570WestJet
Find Deal
Fri, May 16 - Fri, May 23
United Airlines Logo
1:25 pm - 10:09 pmORD-YOW
7h 44m1 stop
United Airlines Logo
10:37 am - 11:56 amYOW-ORD
2h 19mnonstop
$572United Airlines
Find Deal
Sat, Jun 14 - Sun, Jun 15

Porter Airlines flights from Chicago to Ottawa

Our best Porter Airlines deals on Chicago to Ottawa flight tickets
Porter Airlines
May 1
MDW9:40 amChicago Midway
5h 53m
1 stop
YOW4:33 pmOttawa
May 4
YOW12:35 pmOttawa
5h 19m
1 stop
MDW4:54 pmChicago Midway
Porter Airlines
May 8
MDW9:40 amChicago Midway
5h 53m
1 stop
YOW4:33 pmOttawa
May 12
YOW12:25 pmOttawa
4h 59m
1 stop
MDW4:24 pmChicago Midway
Porter Airlines
May 8
MDW9:40 amChicago Midway
5h 53m
1 stop
YOW4:33 pmOttawa
May 11
YOW12:35 pmOttawa
5h 19m
1 stop
MDW4:54 pmChicago Midway

WestJet flights from Chicago to Ottawa

Our best WestJet deals on Chicago to Ottawa flight tickets
WestJet
May 1
ORD5:30 pmChicago O'Hare Intl
34h 55m
2 stops
YOW5:25 amOttawa
May 4
YOW6:10 amOttawa
11h 34m
2 stops
ORD4:44 pmChicago O'Hare Intl
WestJet
May 16
ORD5:30 pmChicago O'Hare Intl
30h 11m
1 stop
YOW12:41 amOttawa
May 23
YOW5:15 pmOttawa
24h 29m
2 stops
ORD4:44 pmChicago O'Hare Intl
WestJet
May 16
ORD5:30 pmChicago O'Hare Intl
29h 52m
2 stops
YOW12:22 amOttawa
May 23
YOW5:15 pmOttawa
24h 29m
2 stops
ORD4:44 pmChicago O'Hare Intl

See travel insights to Ottawa from

How to get the cheapest flight ticket from Chicago to Ottawa

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 Ottawa?

In general, July is the cheapest month to fly from Chicago to Ottawa. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $379. The month of January is another great option to travel to Ottawa, with average flight prices from Chicago averaging around $424.

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

The cheapest day to depart from Chicago to Ottawa is on a Friday. Travelers who choose to depart for Ottawa on a Friday will often find tickets for as low as $596. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to Ottawa on Tuesday is $723.

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

In the morning is the cheapest time of day to fly from Chicago to Ottawa when you can find flight prices for as low as $575. Flying to Ottawa in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $795 on average. Flights to Ottawa from Chicago in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Chicago to Ottawa flight route?

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

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

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

How have Chicago to Ottawa flight prices changed over time?

As of April 2025, prices for Chicago to Ottawa flights are approximately 2% more expensive when compared to flights at the same time last year.

When to book flights from Chicago to Ottawa

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Ottawa according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago to Ottawa (CHI to YOW) flight deals and tips

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

Best Price Found

$120

Fastest flight time

2h 08m

Direct flights

Mon, Wed, Fri, Sat and Sun

Airports in Ottawa

1 airport
The best one-way flight to Ottawa from Chicago in the past 72 hours is $120. The best round-trip flight deal from Chicago to Ottawa found on momondo in the last 72 hours is $250.
The fastest flight from Chicago to Ottawa takes 2h 08m
Direct flights go from Chicago to Ottawa on Monday, Wednesday, Friday, Saturday and Sunday. Airlines offering direct flights are: United Airlines and Air Canada.
There is 1 airport near Ottawa: Ottawa (YOW)

  • How far is Chicago to Ottawa by plane?

    Chicago and Ottawa are 643.5 mi apart from one another. By plane, this route typically takes 2h 08m.

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

    Prices for flights from Chicago to Ottawa Airport refresh daily.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago to Ottawa Airport.

  • What documentation or ID do you need to fly to Ottawa Airport?

    The necessary travel and health documents for your Ottawa Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

  • What is the most popular airline from Chicago to Ottawa?


Best airlines flying from Chicago to Ottawa

Compare and see reviews for airlines that fly from Chicago to Ottawa with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $236Free CancellationRating
7.0
9,013 reviews
Search Air Canada flights
United AirlinesPriceFrom $236Free CancellationRating
7.4
8,615 reviews
Search United Airlines flights
Porter AirlinesPriceFrom $352Free CancellationRating
7.9
278 reviews
Search Porter Airlines flights
  • United Airlines Flights From Chicago to Ottawa

    United Airlines flies from Chicago to Ottawa around 20 times per week, with 8,615 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from Chicago to Ottawa in the last 72 hours was $236 (round-trip), much lower than the average airfare cost of $701 for United Airlines flights on this route.

  • Air Canada Flights From Chicago to Ottawa

    Air Canada is also a popular choice for this route. Air Canada flight deals for Chicago to Ottawa start from as low as $236 round-trip, depending on your selected dates, with average Air Canada deals seen on momondo around $526. Air Canada operates 20 flights to Ottawa from Chicago in an average week. Users have rated it 7.0/10 across 9,022 reviews.


Traveling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Brockville
Pembroke
Smiths Falls
Winchester
Prescott
Wakefield

Why use momondo?

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

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

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

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

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

momondo helps you find the best flight between Chicago and Ottawa by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Ottawa from Chicago. 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 Ottawa 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?
Mon 4/7
Mon 4/14

Find better results for your trip to Canada