What is the cheapest airline that flies from Chicago O'Hare Intl to Ottawa?

WestJet and Porter Airlines are the most popular carriers operating from Chicago O'Hare Intl to Ottawa

What airlines fly to Ottawa?

Air Canada, United Airlines and American Airlines are the top three most popular airlines that fly to Ottawa from Chicago O'Hare Intl Airport according to our data. Air Canada is the first choice among our users, with 52% of people opting to fly with this airline when traveling to Ottawa. Keep in mind that there are 5 different airlines that fly to Ottawa on a routine basis, so you have a few additional options to choose from.

What day of the week experiences the fewest flight delays on this route?

Friday is statistically the day of the week which experiences the fewest number of delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

What is the most punctual flight time for Chicago to Ottawa flights?

Generally, flights departing in the evening tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

How often are flights from Chicago to Ottawa delayed?

Historically, on average around 15% of flights between Chicago and Ottawa have experienced a delay on any given week. The average delay length over the past 12 months has been 140 minutes.

Which airline has the best punctuality record on Chicago to Ottawa flights?

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 15% of their flights experiencing any sort of delay.

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?

There are 2 operators available for flights from Chicago O'Hare Intl Airport to Ottawa Airport as of May 2026.

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.

$175 Cheap Flights from Chicago O'Hare Intl Airport to Ottawa in 2026

Q: What is the typical price of a round-trip flight between Chicago O'Hare Intl Airport and Ottawa?

Prices are currently low for flights on this route. Typical prices usually range from $733 to $346. The lowest price recently found on this route was $411.

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

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:25 am - 8:04 pm

ORD

YOW

11h 39m

1 stop

7:00 am - 1:10 pm

YOW

ORD

7h 10m

1 stop

$411Multiple Airlines

Thu, Jun 4 - Sun, Jun 7

3:20 pm - 10:59 am

ORD

YOW

18h 39m

1 stop

6:55 am - 9:35 pm

YOW

ORD

15h 40m

1 stop

$446Multiple Airlines

Thu, Sep 10 - Mon, Sep 14

8:40 pm - 8:05 am

ORD

YOW

10h 25m

1 stop

6:55 am - 7:47 pm

YOW

ORD

13h 52m

1 stop

$476Multiple Airlines

Sat, Jun 20 - Sat, Jun 27

7:00 am - 12:54 pm

ORD

YOW

4h 54m

1 stop

4:15 pm - 7:44 pm

YOW

ORD

28h 29m

2 stops

$482Multiple Airlines

Fri, Sep 11 - Mon, Sep 14

5:30 pm - 5:35 am

ORD

YOW

11h 05m

1 stop

2:20 pm - 8:03 am

YOW

ORD

18h 43m

2 stops

$483Multiple Airlines

Tue, Jun 2 - Tue, Jun 9

1:29 pm - 5:37 pm

ORD

YOW

27h 08m

2 stops

7:20 am - 4:40 pm

YOW

ORD

10h 20m

1 stop

$486Multiple Airlines

Wed, Jun 3 - Wed, Jun 10

7:25 am - 1:16 pm

ORD

YOW

4h 51m

1 stop

10:05 pm - 9:00 am

YOW

ORD

11h 55m

1 stop

$489Air Canada

Thu, Jun 4 - Sun, Jun 7

5:30 pm - 1:00 pm

ORD

YOW

18h 30m

1 stop

7:00 am - 12:37 pm

YOW

ORD

30h 37m

1 stop

$490Multiple Airlines

Fri, May 22 - Mon, May 25

11:45 am - 12:20 am

ORD

YOW

11h 35m

1 stop

6:55 am - 2:35 pm

YOW

ORD

8h 40m

1 stop

$492Multiple Airlines

Thu, Sep 10 - Tue, Sep 15

3:20 pm - 12:20 am

ORD

YOW

8h 00m

1 stop

4:15 pm - 7:44 pm

YOW

ORD

28h 29m

2 stops

$496Multiple Airlines

Thu, Sep 10 - Mon, Sep 14

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

Jun 4

ORD7:25 amChicago O'Hare Intl

4h 51m

1 stop

YOW1:16 pmOttawa

Jun 7

YOW10:05 pmOttawa

11h 55m

1 stop

ORD9:00 amChicago O'Hare Intl

$489

Air Canada

Jun 4

ORD7:25 amChicago O'Hare Intl

4h 51m

1 stop

YOW1:16 pmOttawa

Jun 8

YOW9:55 amOttawa

4h 15m

1 stop

ORD1:10 pmChicago O'Hare Intl

$557

Air Canada

Jun 17

ORD2:00 pmChicago O'Hare Intl

4h 51m

1 stop

YOW7:51 pmOttawa

Jun 22

YOW5:20 pmOttawa

3h 56m

1 stop

ORD8:16 pmChicago O'Hare Intl

$564

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

Our best Porter Airlines deals on Chicago O'Hare Intl Airport to Ottawa flight tickets

Porter Airlines

Jun 18

ORD8:08 amChicago O'Hare Intl

5h 47m

1 stop

YOW2:55 pmOttawa

Jun 29

YOW7:00 amOttawa

6h 44m

1 stop

ORD12:44 pmChicago O'Hare Intl

$612

Porter Airlines

Jun 2

ORD8:30 pmChicago O'Hare Intl

10h 35m

1 stop

YOW8:05 amOttawa

Jun 9

YOW8:40 amOttawa

6h 40m

1 stop

ORD2:20 pmChicago O'Hare Intl

$645

Porter Airlines

Jun 28

ORD2:52 pmChicago O'Hare Intl

16h 13m

1 stop

YOW8:05 amOttawa

Jun 30

YOW7:00 amOttawa

6h 44m

1 stop

ORD12:44 pmChicago O'Hare Intl

$698

momondo Fare Finder

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

Cheapest round-trip

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Thu 6/4

7:25 am-8:04 pm

1 stop11h 39m

Ottawa

Sun 6/7

7:00 am-1:10 pm

1 stop7h 10m

$411

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Thu 9/10

3:20 pm-10:59 am

1 stop18h 39m

Ottawa

Mon 9/14

6:55 am-9:35 pm

1 stop15h 40m

$446

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Sat 6/20

8:40 pm-8:05 am

1 stop10h 25m

Ottawa

Sat 6/27

6:55 am-7:47 pm

1 stop13h 52m

$476

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Fri 9/11

7:00 am-12:54 pm

1 stop4h 54m

Ottawa

Mon 9/14

4:15 pm-7:44 pm

2 stops28h 29m

$482

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Tue 6/2

5:30 pm-5:35 am

1 stop11h 05m

Ottawa

Tue 6/9

2:20 pm-8:03 am

2 stops18h 43m

$483

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Wed 6/3

1:29 pm-5:37 pm

2 stops27h 08m

Ottawa

Wed 6/10

7:20 am-4:40 pm

1 stop10h 20m

$486

Quickest round-trip

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Thu 6/4

7:25 am-1:16 pm

1 stop4h 51m

Ottawa

Sun 6/7

10:05 pm-9:00 am

1 stop11h 55m

$489

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Fri 5/22

5:30 pm-1:00 pm

1 stop18h 30m

Ottawa

Mon 5/25

7:00 am-12:37 pm

1 stop30h 37m

$490

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Thu 9/10

11:45 am-12:20 am

1 stop11h 35m

Ottawa

Tue 9/15

6:55 am-2:35 pm

1 stop8h 40m

$492

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Thu 9/10

3:20 pm-12:20 am

1 stop8h 00m

Ottawa

Mon 9/14

4:15 pm-7:44 pm

2 stops28h 29m

$496

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Delays

Other information

What is the typical price of a round-trip flight between Chicago O'Hare Intl Airport and Ottawa?

What is the cheapest month to fly to Ottawa?

In general, May 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 $398. The month of June is another great option to travel to Ottawa, with average flight prices from Chicago O'Hare Intl Airport averaging around $429.

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 Saturday. Travelers who choose to depart for Ottawa on a Saturday will often find tickets for as low as $438. 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 $900.

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

In the afternoon 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 $514. Flying to Ottawa in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $670 on average. Flights to Ottawa from Chicago O'Hare Intl Airport at noon 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

Can stopping save me money on Chicago O'Hare Intl Airport to Ottawa flights?

You could potentially save up to 5% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Ottawa flight.

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	$337
Fastest flight time	2h 12m
Direct flights	Every day
Airports in Ottawa	1 airport

The best one-way flight to Ottawa from Chicago O'Hare Intl Airport in the past 72 hours is $337. The best round-trip flight deal from Chicago O'Hare Intl Airport to Ottawa found on momondo in the last 72 hours is $553.

The fastest flight from Chicago O'Hare Intl Airport to Ottawa takes 2h 12m

Direct flights go from Chicago O'Hare Intl Airport to Ottawa every day.

There is 1 airport in Ottawa. From Chicago O'Hare Intl Airport there are direct flights to Ottawa (YOW).

Search flight deals

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Ottawa

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 2h 12m, 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?
There are 2 operators available for flights from Chicago O'Hare Intl Airport to Ottawa Airport as of May 2026.
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?
momondo data reveals that the most frequently booked plane model on the route from Chicago O'Hare Intl Airport to Ottawa is Embraer 175 (Enhanced Winglets), representing 18.72% of all bookings. The subsequent popular models are Airbus A319 at 10.21%, Airbus A330-300 at 8.51%, and Boeing 737 MAX 8 at 7.66%.
What is the most popular airline from Chicago O'Hare Intl Airport to Ottawa?
Based on momondo bookings for flights between Chicago O'Hare Intl Airport and Ottawa, the leading airline is United Airlines, making up 85% of the total bookings. Other popular airlines include Air Canada with 15%.

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 Canada	PriceFrom $181	Free Cancellation	Rating 7.1 11,002 reviews		Search Air Canada flights
United Airlines	PriceFrom $257	Free Cancellation	Rating 7.4 9,694 reviews		Search United Airlines flights

United Airlines Flights From Chicago O'Hare Intl Airport to Ottawa
United Airlines operates around 18 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 $542, but momondo users have found United Airlines deals from Chicago O'Hare Intl Airport to Ottawa from as low as $257 round-trip. United Airlines has been scored 7.4/10 in 9,694 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 $181, round-trip. It should be noted that an average Air Canada flight deal for this route in this time was higher, at $349 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. 11,002 Air Canada reviews by users on momondo have scored the airline at 7.1/10.

Gatineau

Pembroke

Petawawa

Smiths Falls

Brockville

Calabogie

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.

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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

What is the typical price of a round-trip flight between Chicago O'Hare Intl Airport and Ottawa?

What is the cheapest month to fly to Ottawa?

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

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

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

Can stopping save me money on Chicago O'Hare Intl Airport to Ottawa flights?

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

What is the cheapest airline that flies from Chicago O'Hare Intl to Ottawa?

What airlines fly to Ottawa?

How often are flights from Chicago to Ottawa delayed?

What is the most punctual flight time for Chicago to Ottawa flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on Chicago to Ottawa flights?

How many flights depart from Chicago O'Hare Intl Airport to Ottawa on average per day?

How many flights depart from Chicago O'Hare Intl Airport to Ottawa on average per week?

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

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

Fastest flight time

Direct flights

Airports in Ottawa

Frequently asked questions about flying 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

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

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

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An easier way to manage your Ottawa trip

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