Find flights
When to book
FAQs

Cheap flights from Ottawa to Ontario from C$ 324

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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — ONT
3 May — 10 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ottawa to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Ottawa to Ontario
Explore the most affordable flight options available from Ottawa to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 April 2026.

Wed 29/410:44 a.m.
YOW
-
ONT
2 stops12h 52m
United Airlines
Wed 6/51:30 p.m.
ONT
-
YOW
2 stops21h 29m
United Airlines
Deal found 1/4C$ 678
Mon 13/45:25 p.m.
YOW
-
ONT
1 stop8h 06m
United Airlines
Sat 18/47:00 a.m.
ONT
-
YOW
1 stop7h 07m
United Airlines
Deal found 29/3C$ 679
Sat 18/45:25 p.m.
YOW
-
ONT
1 stop8h 06m
United Airlines
Sat 25/46:05 a.m.
ONT
-
YOW
2 stops13h 00m
United Airlines
Deal found 31/3C$ 680
Sun 31/510:44 a.m.
YOW
-
ONT
1 stop15h 02m
United Airlines
Tue 2/66:30 a.m.
ONT
-
YOW
1 stop7h 37m
United Airlines
Deal found 30/3C$ 707
Sun 17/55:25 p.m.
YOW
-
ONT
2 stops31h 33m
United Airlines
Sun 24/56:30 p.m.
ONT
-
YOW
2 stops11h 41m
United Airlines
Deal found 2/4C$ 769
Fri 24/45:25 p.m.
YOW
-
ONT
1 stop8h 06m
United Airlines
Sun 26/45:10 a.m.
ONT
-
YOW
2 stops13h 25m
United Airlines
Deal found 31/3C$ 812
Mon 13/46:00 a.m.
YOW
-
ONT
2 stops17h 36m
Air Canada
Sat 18/45:10 a.m.
ONT
-
YOW
2 stops8h 57m
Air Canada
Deal found 29/3C$ 821
Wed 27/510:44 a.m.
YOW
-
ONT
2 stops14h 11m
United Airlines
Fri 12/65:00 a.m.
ONT
-
YOW
2 stops9h 07m
United Airlines
Deal found 1/4C$ 840

Find flight deals from Ottawa to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to Ontario (ONT). 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 3 April 2026.

Round-trip from

C$ 678

One-way from

C$ 324

Popular in

December

Cheapest in

May

Average price

C$ 445
United Airlines
  • United Airlines
  • 29/4-6/5
  • 3 total stops
  • 20h 10m total
  • Ottawa to Ontario
Search Deals
10/6
  • 10/6
  • 3 total stops
  • 15h 28m total
  • Ottawa to Ontario
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 143 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ottawa to Ontario 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 629,999 searches. Data last updated 3 April 2026.
Use the filters below to find and compare flights from Ottawa to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

OttawaOntario

YOW - ONT

YOWONT

Ottawa

Mon 13/4

5:25 p.m.-10:31 p.m.

1 stop8h 06m

Ontario

Sat 18/4

5:10 a.m.-5:07 p.m.

2 stops8h 57m

C$ 679

OttawaOntario

YOW - ONT

YOWONT

Ottawa

Thu 21/5

5:20 p.m.-10:46 p.m.

1 stop8h 26m

Ontario

Sun 24/5

6:30 p.m.-9:11 a.m.

2 stops11h 41m

C$ 679

OttawaOntario

YOW - ONT

YOWONT

Ottawa

Sun 31/5

10:44 a.m.-10:46 p.m.

1 stop15h 02m

Ontario

Tue 2/6

6:30 p.m.-6:48 p.m.

2 stops21h 18m

C$ 679

OttawaOntario

YOW - ONT

YOWONT

Ottawa

Sat 18/4

5:25 p.m.-10:31 p.m.

1 stop8h 06m

Ontario

Sat 25/4

6:05 a.m.-10:05 p.m.

2 stops13h 00m

C$ 680

OttawaOntario

YOW - ONT

YOWONT

Ottawa

Wed 27/5

10:44 a.m.-10:37 p.m.

2 stops14h 53m

Ontario

Fri 12/6

6:30 a.m.-5:07 p.m.

1 stop7h 37m

C$ 707
Cheapest one-way
Quickest one-way

OttawaOntario

YOW - ONT

YOWONT

Ottawa

Sat 18/4

5:25 p.m.-10:31 p.m.

1 stop8h 06m

C$ 381

OttawaOntario

YOW - ONT

YOWONT

Ottawa

Sun 19/4

6:00 a.m.-10:31 p.m.

3 stops19h 31m

C$ 408

OttawaOntario

YOW - ONT

YOWONT

Ottawa

Mon 18/5

5:25 p.m.-10:35 p.m.

1 stop8h 10m

C$ 409

OttawaOntario

YOW - ONT

YOWONT

Ottawa

Thu 14/5

5:25 p.m.-10:35 p.m.

1 stop8h 10m

C$ 470

OttawaOntario

YOW - ONT

YOWONT

Ottawa

Thu 14/5

6:25 p.m.-3:09 p.m.

3 stops47h 44m

C$ 477

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/3

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

Best time to book a flight from Ottawa to Ontario

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

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

Currently, April is the cheapest month in which you can book a flight from Ottawa to Ontario (average of C$ 186). Flying from Ottawa to Ontario in March is currently the most expensive (average of C$ 360). 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 Ottawa to Ontario. 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 Ottawa to Ontario?

    There are many flights that can get you from Ottawa to Ontario in 8h 06m. Fly via United Airlines to get the fastest option. The distance from Ottawa to Ontario is about 3748 km.

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from Ottawa to Ontario (average of C$ 186). Flying from Ottawa to Ontario in March is currently the most expensive (average of C$ 360). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ottawa to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Las Vegas flights
Pearson Intl to Los Angeles flights
Pierre Elliott Trudeau Intl to Los Angeles flights
Pearson Intl to San Francisco flights
Pierre Elliott Trudeau Intl to Las Vegas flights
Toronto Island to Las Vegas flights
Pierre Elliott Trudeau Intl to San Francisco flights
Pearson Intl to San Diego flights
Pearson Intl to Ontario flights
Toronto Island to Los Angeles flights
Toronto Island to San Francisco flights
Pierre Elliott Trudeau Intl to San Diego flights
Hamilton to San Francisco flights
Region of Waterloo Intl to Los Angeles flights
Region of Waterloo Intl to San Francisco flights
Ottawa to Las Vegas flights
Region of Waterloo Intl to Las Vegas flights
Pearson Intl to Sacramento flights
Hamilton to Los Angeles flights
Pierre Elliott Trudeau Intl to Ontario flights
Pearson Intl to Palm Springs flights
Hamilton to Las Vegas flights
Pearson Intl to San Jose flights
Ottawa to San Francisco flights
Toronto Island to San Diego flights
Pearson Intl to Santa Ana flights
Pearson Intl to Fresno flights
Hamilton to San Diego flights
Ottawa to Los Angeles flights
Ottawa to San Diego flights
Windsor to Las Vegas flights
Pierre Elliott Trudeau Intl to San Jose flights
Pearson Intl to Reno flights
Ottawa to Sacramento flights
London to Las Vegas flights
Pierre Elliott Trudeau Intl to Santa Ana flights
Pearson Intl to Burbank flights
Pierre Elliott Trudeau Intl to Sacramento flights
Region of Waterloo Intl to San Jose flights
Region of Waterloo Intl to San Diego flights
Sudbury to Las Vegas flights
London to San Francisco flights
Hamilton to San Jose flights
Pearson Intl to Monterey flights
Pearson Intl to Oakland flights
Pierre Elliott Trudeau Intl to Oakland flights
Thunder Bay to Las Vegas flights
Pearson Intl to Long Beach flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ottawa to Ontario?

Deals for Ottawa to Ontario flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Ottawa to Ontario?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ottawa to Ontario.

Can Cheapflights find flights from Ottawa to Ontario with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ottawa to Ontario flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Ottawa to Ontario become cheaper?

Yes, Cheapflights offers price alerts on Ottawa to Ontario flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.