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$412+ 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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — YOW
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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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 July 30, 2025.

Round-trip from

$1,019
(United)

One-way from

$343
(United Airlines)

Popular in

December

Cheapest in

May

Average price

$318
From Ontario to Ottawa
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One-way flight from Ontario to Ottawa
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Highest demand for flights based on searches. 26% potential increase in price ($134 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 July 30, 2025.

This Air Canada deal was found by Cheapflights users on 7/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/95:05 amONT - YOW
2 stops9h 15mMultiple Airlines
Tue 8/122:48 pmYOW - ONT
2 stops34h 18mMultiple Airlines
Deal found 7/29$1,151
This United Airlines deal was found by Cheapflights users on 7/28. 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 8/47:00 amONT - YOW
1 stop7h 06mUnited Airlines
Fri 8/85:25 pmYOW - ONT
1 stop7h 41mUnited Airlines
Deal found 7/28$1,202
This Air Canada deal was found by Cheapflights users on 7/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/45:05 amONT - YOW
2 stops13h 30mAir Canada
Fri 8/86:33 amYOW - ONT
2 stops8h 59mAir Canada
Deal found 7/28$1,227
This Mytrip deal was found by Cheapflights users on 7/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/16:25 amONT - YOW
2 stops15h 23mWestJet
Sun 8/37:50 amYOW - ONT
3 stops17h 57mWestJet
Deal found 7/28$1,767

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 July 30, 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

Sat 8/9

5:05 am-5:20 pm

2 stops9h 15m

Ottawa

Tue 8/12

2:48 pm-10:06 pm

2 stops34h 18m

$1,151

OntarioOttawa

ONT - YOW

ONTYOW

Ontario

Sat 8/9

7:00 am-5:06 pm

1 stop7h 06m

Ottawa

Tue 8/12

5:25 pm-10:11 pm

1 stop7h 46m

$1,202

OntarioOttawa

ONT - YOW

ONTYOW

Ontario

Sun 8/31

7:00 am-9:35 pm

1 stop11h 35m

$412

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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, January is the cheapest month in which you can book a flight from Ontario to Ottawa (average of $294). Flying from Ontario to Ottawa in September is currently the most expensive (average of $428). 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.

Reviews of airlines servicing Ottawa

Get insights into the airlines that provide service to Ottawa. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ottawa. Reviews last updated July 30, 2025.
Read through reviews of airlines operating flights from Ontario to Ottawa, such as United Airlines and Air Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,896 reviews

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Food

6.6

Crew

8.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,896 reviews
United Airlines
7.4
Good
8,896 reviews

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Food

6.6

Crew

8.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Canada
7.1
Good
9,837 reviews
United Airlines
7.4
Good
8,896 reviews

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Food

6.6

Crew

8.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

  • 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, January is the cheapest month in which you can book a flight from Ontario to Ottawa (average of $294). Flying from Ontario to Ottawa in September is currently the most expensive (average of $428). 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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