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Cheap flights from Chicago O'Hare Intl Airport to Ottawa from $117

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 O'Hare Intl Airport to Ottawa departing on 12/15. 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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0 bags

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Find the cheapest flights from Chicago O'Hare Intl Airport to Ottawa

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:00 am - 12:25 amORD-YOW
16h 25m1 stop
Multiple Airlines Logo
4:20 pm - 8:54 pmYOW-ORD
29h 34m3 stops
$268Multiple Airlines
Find Deal
mié., feb. 4 - dom., feb. 8
Multiple Airlines Logo
6:15 am - 5:25 pmORD-YOW
10h 10m1 stop
Multiple Airlines Logo
7:00 am - 11:08 amYOW-ORD
29h 08m1 stop
$290Multiple Airlines
Find Deal
jue., dic. 11 - dom., dic. 14
Multiple Airlines Logo
7:25 am - 12:25 amORD-YOW
16h 00m2 stops
Multiple Airlines Logo
4:20 pm - 12:18 amYOW-ORD
32h 58m3 stops
$295Multiple Airlines
Find Deal
mié., feb. 4 - dom., feb. 8
Multiple Airlines Logo
7:00 am - 12:25 amORD-YOW
16h 25m1 stop
Multiple Airlines Logo
4:15 pm - 11:35 pmYOW-ORD
32h 20m2 stops
$310Multiple Airlines
Find Deal
mié., feb. 4 - dom., feb. 8
Multiple Airlines Logo
11:42 am - 12:25 amORD-YOW
11h 43m1 stop
Multiple Airlines Logo
7:00 am - 10:23 pmYOW-ORD
40h 23m2 stops
$313Multiple Airlines
Find Deal
jue., ene. 15 - lun., ene. 19
Multiple Airlines Logo
6:15 am - 5:25 pmORD-YOW
10h 10m1 stop
Multiple Airlines Logo
4:15 pm - 5:27 pmYOW-ORD
26h 12m2 stops
$316Multiple Airlines
Find Deal
jue., dic. 11 - dom., dic. 14
Multiple Airlines Logo
5:00 am - 5:25 pmORD-YOW
11h 25m1 stop
Multiple Airlines Logo
7:00 am - 8:01 pmYOW-ORD
14h 01m1 stop
$321Multiple Airlines
Find Deal
sáb., dic. 6 - sáb., dic. 13
Multiple Airlines Logo
1:24 pm - 12:35 pmORD-YOW
22h 11m2 stops
Multiple Airlines Logo
7:00 am - 8:01 pmYOW-ORD
14h 01m1 stop
$332Multiple Airlines
Find Deal
sáb., dic. 6 - sáb., dic. 13
Multiple Airlines Logo
7:20 am - 11:58 pmORD-YOW
15h 38m1 stop
Multiple Airlines Logo
7:00 am - 12:09 amYOW-ORD
18h 09m1 stop
$347Multiple Airlines
Find Deal
dom., dic. 14 - mar., dic. 16
Multiple Airlines Logo
5:00 am - 5:25 pmORD-YOW
11h 25m1 stop
Multiple Airlines Logo
4:15 pm - 3:12 pmYOW-ORD
23h 57m2 stops
$360Multiple Airlines
Find Deal
jue., nov. 27 - lun., dic. 1

Air Canada flights from Chicago O'Hare Intl Airport to Ottawa

Our best Air Canada deals on Chicago O'Hare Intl Airport to Ottawa flight tickets
Air Canada
Nov 27
ORD6:28 pmChicago O'Hare Intl
6h 10m
1 stop
YOW1:38 amOttawa
Nov 30
YOW11:10 amOttawa
2h 41m
ORD12:51 pmChicago O'Hare Intl
$1,061
Find similar
Air Canada
Nov 19
ORD1:59 pmChicago O'Hare Intl
2h 13m
YOW5:12 pmOttawa
Nov 22
YOW10:20 amOttawa
5h 50m
1 stop
ORD3:10 pmChicago O'Hare Intl
$1,222
Find similar
Air Canada
Nov 17
ORD1:59 pmChicago O'Hare Intl
2h 13m
YOW5:12 pmOttawa
Nov 18
YOW6:20 amOttawa
2h 41m
ORD8:01 amChicago O'Hare Intl
$1,391
Find similar

United Airlines flights from Chicago O'Hare Intl Airport to Ottawa

Our best United Airlines deals on Chicago O'Hare Intl Airport to Ottawa flight tickets
United Airlines
Nov 17
ORD1:59 pmChicago O'Hare Intl
2h 13m
YOW5:12 pmOttawa
Nov 18
YOW5:00 amOttawa
6h 05m
1 stop
ORD10:05 amChicago O'Hare Intl
$1,164
Find similar
United Airlines
Nov 27
ORD1:59 pmChicago O'Hare Intl
2h 13m
YOW5:12 pmOttawa
Nov 30
YOW11:10 amOttawa
2h 41m
ORD12:51 pmChicago O'Hare Intl
$1,359
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport 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, momondo users made 832,500 searches. Data last updated noviembre 13, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

mié. 2/4

7:00 am-12:25 am

1 stop16h 25m

Ottawa

dom. 2/8

4:20 pm-8:54 pm

3 stops29h 34m

$268

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

jue. 12/11

6:15 am-5:25 pm

1 stop10h 10m

Ottawa

dom. 12/14

7:00 am-11:08 am

1 stop29h 08m

$290

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

mié. 2/4

7:25 am-12:25 am

2 stops16h 00m

Ottawa

dom. 2/8

4:20 pm-12:18 am

3 stops32h 58m

$295

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

mié. 2/4

7:00 am-12:25 am

1 stop16h 25m

Ottawa

dom. 2/8

4:15 pm-11:35 pm

2 stops32h 20m

$310

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

jue. 1/15

11:42 am-12:25 am

1 stop11h 43m

Ottawa

lun. 1/19

7:00 am-10:23 pm

2 stops40h 23m

$313

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

jue. 12/11

6:15 am-5:25 pm

1 stop10h 10m

Ottawa

dom. 12/14

4:15 pm-5:27 pm

2 stops26h 12m

$316

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

sáb. 12/6

5:00 am-5:25 pm

1 stop11h 25m

Ottawa

sáb. 12/13

7:00 am-8:01 pm

1 stop14h 01m

$321

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

sáb. 12/6

1:24 pm-12:35 pm

2 stops22h 11m

Ottawa

sáb. 12/13

7:00 am-8:01 pm

1 stop14h 01m

$332

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

dom. 12/14

7:20 am-11:58 pm

1 stop15h 38m

Ottawa

mar. 12/16

7:00 am-12:09 am

1 stop18h 09m

$347

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

jue. 11/27

5:00 am-5:25 pm

1 stop11h 25m

Ottawa

lun. 12/1

4:15 pm-3:12 pm

2 stops23h 57m

$360

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Ottawa from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to Ottawa. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $252. The month of March is another great option to travel to Ottawa, with average flight prices from Chicago O'Hare Intl Airport averaging around $261.

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

The cheapest day to depart from Chicago O'Hare Intl Airport to Ottawa is on a Thursday. Travelers who choose to depart for Ottawa on a Thursday will often find tickets for as low as $547. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Ottawa on Monday is $708.

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 O'Hare Intl Airport to Ottawa when you can find flight prices for as low as $561. 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 $640 on average. Flights to Ottawa from Chicago O'Hare Intl Airport in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Chicago O'Hare Intl to Ottawa flight route?

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

What cabin class options are available on Chicago O'Hare Intl to Ottawa flights?

There are 3 cabin classes available to choose from on Chicago O'Hare Intl to Ottawa 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 Chicago O'Hare Intl Airport to Ottawa flights?

No. A direct flight is the cheapest option for a flight between Chicago O'Hare Intl Airport to Ottawa.

How have Chicago O'Hare Intl Airport to Ottawa flight prices changed over time?

When to book flights from Chicago O'Hare Intl Airport to Ottawa

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

Cheap Chicago O'Hare Intl Airport to Ottawa (ORD to YOW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Ottawa

Best Price Found

$578

Fastest flight time

1h 52m

Direct flights

Every day

Airports in Ottawa

1 airport
The best flight deal from Chicago O'Hare Intl Airport to Ottawa found on momondo in the last 72 hours is $578
The fastest flight from Chicago O'Hare Intl Airport to Ottawa takes 1h 52m
Direct flights go from Chicago O'Hare Intl Airport to Ottawa every day.
There is 1 airport near Ottawa: Ottawa (YOW)
Search flight deals

  • How far is Chicago O'Hare Intl to Ottawa by plane?

    Ottawa is 653.1 mi away from Chicago O'Hare Intl. Flights usually cover this in 6h 51m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Ottawa Airport?

    Prices for flights from Chicago O'Hare Intl Airport to Ottawa Airport refresh daily.

  • How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Ottawa Airport?

  • How old do you have to be to fly from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to Ottawa Airport.

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

    The required travel and health documents for your Ottawa Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ottawa Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Chicago O'Hare Intl Airport to Ottawa?

  • What is the most popular airline from Chicago O'Hare Intl Airport to Ottawa?

Best airlines flying from Chicago O'Hare Intl Airport to Ottawa

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Ottawa with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $189Free CancellationRating
7.1
10,448 reviews
Search Air Canada flights
United AirlinesPriceFrom $236Free CancellationRating
7.4
9,017 reviews
Search United Airlines flights

  • United Airlines Flights From Chicago O'Hare Intl Airport to Ottawa

    United Airlines operates around 21 flights from Chicago O'Hare Intl Airport to Ottawa every week. The average price of these flights found in the last 72 hours has been $545, but momondo users have found United Airlines deals from Chicago O'Hare Intl Airport to Ottawa from as low as $236 round-trip. United Airlines has been scored 7.4/10 in 9,017 reviews.

  • Air Canada Flights From Chicago O'Hare Intl Airport to Ottawa

    The best Air Canada deal for Chicago O'Hare Intl Airport to Ottawa flight tickets found on momondo in the last 72 hours was $189, round-trip. It should be noted that an average Air Canada flight deal for this route in this time was higher, at $366 round-trip. Air Canada operates 21 flights out of Chicago O'Hare Intl Airport into Ottawa in an average week, so prices vary by time and availability. 10,448 Air Canada reviews by users on momondo have scored the airline at 7.1/10.

Traveling to a place near Ottawa?

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

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Ottawa. Millions of users trust and use momondo every year so you are in good hands.

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

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

Price alerts on flights to Ottawa from Chicago 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.

An easier way to manage your Ottawa trip

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