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Ottawa

$194+ Cheap flights from Ontario (ONT) 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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — YOW
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Find flight deals from Ontario to Ottawa

Cheapest flights from Ontario to Ottawa
Explore the most affordable flight options available from Ontario to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

This United Airlines deal was found by Cheapflights users on 10/27. 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.
Mon 11/176:00 amONT - YOW
2 stops25h 26mUnited Airlines
Tue 11/182:05 pmYOW - ONT
2 stops25h 32mUnited Airlines
Deal found 10/27$855
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Tue 11/186:00 amONT - YOW
2 stops25h 26mUnited Airlines
Sun 11/237:30 pmYOW - ONT
2 stops30h 21mUnited Airlines
Deal found 10/27$864
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Tue 11/181:40 pmONT - YOW
2 stops17h 46mUnited Airlines
Tue 11/255:14 pmYOW - ONT
2 stops22h 23mUnited Airlines
Deal found 10/27$867
This United Airlines deal was found by Cheapflights users on 10/27. 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 12/1811:59 pmONT - YOW
1 stop14h 19mUnited Airlines
Thu 1/16:15 amYOW - ONT
1 stop19h 10mUnited Airlines
Deal found 10/27$879
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Mon 12/151:50 pmONT - YOW
2 stops24h 22mUnited Airlines
Thu 1/16:15 amYOW - ONT
1 stop19h 10mUnited Airlines
Deal found 10/27$881
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Sun 12/146:41 pmONT - YOW
2 stops19h 31mUnited Airlines
Thu 1/16:15 amYOW - ONT
1 stop19h 10mUnited Airlines
Deal found 10/27$888
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/207:00 amONT - YOW
1 stop11h 18mUnited Airlines
Thu 11/276:20 amYOW - ONT
1 stop12h 01mUnited Airlines
Deal found 10/27$932
This United Airlines deal was found by Cheapflights users on 10/27. 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 12/1811:59 pmONT - YOW
1 stop14h 19mUnited Airlines
Fri 1/26:15 amYOW - ONT
1 stop19h 10mUnited Airlines
Deal found 10/27$970
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Mon 12/156:00 amONT - YOW
2 stops25h 26mUnited Airlines
Fri 1/26:15 amYOW - ONT
1 stop19h 10mUnited Airlines
Deal found 10/27$972

Cheap flight deals from Ontario to Ottawa

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) 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 October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$855
(United Airlines)

One-way from

$194
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$452
Provider with most accurate pricing for Ontario-Ottawa flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Ottawa flights.
Search Deals
From Ontario to Ottawa
Search Deals
One-way flight from Ontario to Ottawa
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($128 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario 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 October 28, 2025.
Use the filters below to find and compare flights from Ontario to Ottawa that are best for you.

Fly from

Ontario

Fly to

Ottawa

Route

Depart

Return

Price

OntarioOttawa

ONT - YOW

ONTYOW

Ontario

Mon 11/17

6:00 am-10:26 am

2 stops25h 26m

Ottawa

Tue 11/18

2:05 pm-12:37 pm

2 stops25h 32m

$855

OntarioOttawa

ONT - YOW

ONTYOW

Ontario

Tue 4/7

6:00 am-9:14 pm

2 stops12h 14m

Ottawa

Wed 4/8

6:52 am-6:00 pm

2 stops14h 08m

$862

OntarioOttawa

ONT - YOW

ONTYOW

Ontario

Wed 11/19

1:45 pm-10:26 am

2 stops17h 41m

Ottawa

Sun 11/23

7:30 pm-10:51 pm

2 stops30h 21m

$864

OntarioOttawa

ONT - YOW

ONTYOW

Ontario

Tue 11/18

1:40 pm-10:26 am

2 stops17h 46m

Ottawa

Thu 11/27

6:20 am-5:34 pm

2 stops14h 14m

$867

OntarioOttawa

ONT - YOW

ONTYOW

Ontario

Wed 2/11

8:30 am-11:58 pm

2 stops12h 28m

$194

OntarioOttawa

ONT - YOW

ONTYOW

Ontario

Sun 12/21

6:00 am-12:41 am

2 stops15h 41m

$235

OntarioOttawa

ONT - YOW

ONTYOW

Ontario

Wed 12/24

11:59 pm-5:18 pm

1 stop14h 19m

$412

OntarioOttawa

ONT - YOW

ONTYOW

Ontario

Thu 12/25

11:59 pm-5:18 pm

1 stop14h 19m

$412

OntarioOttawa

ONT - YOW

ONTYOW

Ontario

Fri 12/26

11:59 pm-5:18 pm

1 stop14h 19m

$412

OntarioOttawa

ONT - YOW

ONTYOW

Ontario

Fri 11/28

6:00 am-9:18 pm

2 stops12h 18m

$418

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 11 results
1
2

Compare providers for flights from Ontario to Ottawa

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Ottawa in October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Ottawa flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Ottawa flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Ontario-Ottawa flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Ottawa flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Ottawa flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from Ontario 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.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Ottawa

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

Currently, May is the cheapest month in which you can book a flight from Ontario to Ottawa (average of $106). Flying from Ontario to Ottawa in September is currently the most expensive (average of $224). 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.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Ottawa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Ontario to Ottawa?

    A quick flight from Ontario to Ottawa can take about 25h 26m. United Airlines provides one of the quickest options available for as low as $855. Airlines will cover a distance of 2329 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario 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 Ontario to Ottawa?

    Currently, May is the cheapest month in which you can book a flight from Ontario to Ottawa (average of $106). Flying from Ontario to Ottawa in September is currently the most expensive (average of $224). 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 Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Petawawa

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