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Cheap flights from Chicago O'Hare Intl Airport to Ottawa from $155

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 5/19. 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

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

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Chicago O'Hare Intl Airport to Ottawa.
 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
 Logo
5:20 pm - 12:22 amORD-YOW
30h 02m2 stops
 Logo
12:35 pm - 7:27 amYOW-ORD
19h 52m2 stops
Mon, May 12 - Mon, May 19
WestJet Logo
5:30 pm - 6:45 amORD-YOW
12h 15m1 stop
WestJet Logo
6:00 am - 4:44 pmYOW-ORD
11h 44m1 stop
$335WestJet
Find Deal
Thu, May 1 - Thu, May 8
WestJet Logo
1:40 pm - 5:25 amORD-YOW
14h 45m1 stop
WestJet Logo
5:15 pm - 12:39 pmYOW-ORD
20h 24m1 stop
$500WestJet
Find Deal
Sun, Jun 15 - Fri, Jun 20
United Airlines Logo
8:50 am - 2:07 pmORD-YOW
4h 17m1 stop
United Airlines Logo
5:25 pm - 6:54 pmYOW-ORD
2h 29mnonstop
$544United Airlines
Find Deal
Mon, Sep 1 - Mon, Sep 1
Air Canada Logo
8:50 am - 3:04 pmORD-YOW
5h 14m1 stop
Air Canada Logo
9:20 am - 12:54 pmYOW-ORD
4h 34m1 stop
$559Air Canada
Find Deal
Tue, Jun 10 - Wed, Jun 18
Air Canada Logo
10:45 am - 6:09 pmORD-YOW
6h 24m1 stop
Air Canada Logo
9:20 am - 12:55 pmYOW-ORD
4h 35m1 stop
$561Air Canada
Find Deal
Thu, Apr 24 - Thu, May 1
United Airlines Logo
2:22 pm - 5:33 pmORD-YOW
2h 11mnonstop
United Airlines Logo
5:25 pm - 6:54 pmYOW-ORD
2h 29mnonstop
$562United Airlines
Find Deal
Thu, May 8 - Sun, May 11
Delta Logo
9:00 am - 12:22 amORD-YOW
14h 22m2 stops
Delta Logo
5:55 am - 6:04 pmYOW-ORD
13h 09m2 stops
$995Delta
Find Deal
Tue, Jun 10 - Wed, Jun 18
Delta Logo
8:55 am - 12:22 amORD-YOW
14h 27m2 stops
Delta Logo
5:55 am - 4:34 pmYOW-ORD
11h 39m2 stops
$1,038Delta
Find Deal
Mon, Aug 25 - Wed, Aug 27

WestJet flights from Chicago O'Hare Intl Airport to Ottawa

Our best WestJet deals on Chicago O'Hare Intl Airport to Ottawa flight tickets
WestJet
May 1
ORD5:30 pmChicago O'Hare Intl
12h 15m
1 stop
YOW6:45 amOttawa
May 8
YOW6:00 amOttawa
11h 44m
1 stop
ORD4:44 pmChicago O'Hare Intl
WestJet
Jun 15
ORD1:40 pmChicago O'Hare Intl
14h 45m
1 stop
YOW5:25 amOttawa
Jun 20
YOW5:15 pmOttawa
20h 24m
1 stop
ORD12:39 pmChicago O'Hare Intl
WestJet
May 1
ORD5:30 pmChicago O'Hare Intl
21h 50m
2 stops
YOW4:20 pmOttawa
May 8
YOW5:15 pmOttawa
24h 29m
2 stops
ORD4:44 pmChicago O'Hare Intl

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
Sep 1
ORD8:50 amChicago O'Hare Intl
4h 17m
1 stop
YOW2:07 pmOttawa
Sep 1
YOW5:25 pmOttawa
2h 29m
ORD6:54 pmChicago O'Hare Intl
United Airlines
May 8
ORD2:22 pmChicago O'Hare Intl
2h 11m
YOW5:33 pmOttawa
May 11
YOW5:25 pmOttawa
2h 29m
ORD6:54 pmChicago O'Hare Intl
United Airlines
May 8
ORD9:00 amChicago O'Hare Intl
4h 27m
1 stop
YOW2:27 pmOttawa
May 11
YOW5:25 pmOttawa
2h 29m
ORD6:54 pmChicago O'Hare Intl

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 $285. The month of June is another great option to travel to Ottawa, with average flight prices from Chicago O'Hare Intl Airport averaging around $432.

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 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 $697.

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 $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 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 4 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.

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

As of April 2025, prices for Chicago O'Hare Intl Airport to Ottawa flights are approximately 10% cheaper when compared to flights at the same time last year.

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

$155

Fastest flight time

2h 10m

Direct flights

Mon, Tue, Fri, Sat and Sun

Airports in Ottawa

1 airport
The best one-way flight to Ottawa from Chicago O'Hare Intl Airport in the past 72 hours is $155. The best round-trip flight deal from Chicago O'Hare Intl Airport to Ottawa found on momondo in the last 72 hours is $323.
The fastest flight from Chicago O'Hare Intl Airport to Ottawa takes 2h 10m
Direct flights go from Chicago O'Hare Intl Airport to Ottawa on Monday, Tuesday, 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 O'Hare Intl to Ottawa by plane?

    Ottawa is 653.1 mi away from Chicago O'Hare Intl. Flights usually cover this in 2h 10m, 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 $236Free CancellationRating
7.0
9,035 reviews
Search Air Canada flights
United AirlinesPriceFrom $236Free CancellationRating
7.4
8,619 reviews
Search United Airlines flights
  • United Airlines Flights From Chicago O'Hare Intl Airport to Ottawa

    United Airlines operates around 20 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 $701, 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 8,619 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 $236, round-trip. It should be noted that an average Air Canada flight deal for this route in this time was higher, at $526 round-trip. Air Canada operates 20 flights out of Chicago O'Hare Intl Airport into Ottawa in an average week, so prices vary by time and availability. 9,035 Air Canada reviews by users on momondo have scored the airline at 7.0/10.


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?

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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