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$340+ Cheap flights from Ontario (ONT) to Ottawa (YOW)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/25. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — YOW
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$340
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$417
Provider with most accurate pricing for Ontario-Ottawa flight deals.
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Provider most trusted by Cheapflights users for Ontario-Ottawa flights.
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From Ontario to Ottawa
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($86 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/256:00 amONT - YOW
1 stop10h 55mMultiple Airlines
Fri 5/304:40 pmYOW - ONT
2 stops26h 40mMultiple Airlines
Deal found 4/30$340
This Gotogate deal was found by Cheapflights users on 4/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/121:33 pmONT - YOW
2 stops9h 01mAir Canada
Thu 6/196:00 amYOW - ONT
2 stops9h 31mAir Canada
Deal found 4/30$798
This United Airlines deal was found by Cheapflights users on 4/30. 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 6/126:32 pmONT - YOW
2 stops24h 37mUnited Airlines
Thu 6/1910:37 amYOW - ONT
1 stop14h 49mUnited Airlines
Deal found 4/30$824
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/167:00 amONT - YOW
2 stops32h 20mDelta
Sun 9/286:10 amYOW - ONT
2 stops14h 07mDelta
Deal found 4/30$840

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 May 1, 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

Sun 5/25

6:00 am-7:55 pm

1 stop10h 55m

Ottawa

Fri 5/30

4:40 pm-4:20 pm

2 stops26h 40m

$340

OntarioOttawa

ONT - YOW

ONTYOW

Ontario

Thu 6/12

1:33 pm-1:34 am

2 stops9h 01m

Ottawa

Thu 6/19

6:00 am-12:31 pm

2 stops9h 31m

$798

OntarioOttawa

ONT - YOW

ONTYOW

Ontario

Thu 6/12

6:32 pm-10:09 pm

2 stops24h 37m

Ottawa

Thu 6/19

6:40 am-9:04 pm

2 stops17h 24m

$824

OntarioOttawa

ONT - YOW

ONTYOW

Ontario

Tue 9/16

7:00 am-6:20 pm

2 stops32h 20m

Ottawa

Sun 9/28

6:10 am-5:17 pm

2 stops14h 07m

$840

OntarioOttawa

ONT - YOW

ONTYOW

Ontario

Tue 7/22

7:00 am-9:35 pm

1 stop11h 35m

$412

OntarioOttawa

ONT - YOW

ONTYOW

Ontario

Tue 7/29

11:25 am-12:21 am

3 stops33h 56m

$453

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

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 May.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars

*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, 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 June is currently the most expensive (average of $460). 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.

Rainfall in Ottawa by month

Plan your trip to Ottawa by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ottawa ranges from 2.0 - 3.7 inches per month. June is typically the wettest month, when rainfall can reach 3.7 in. February is typically the driest time to visit Ottawa when rainfall is around 2.0 in.

Temperature in Ottawa by month

Plan your trip to Ottawa by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ottawa, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 F).

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 May 1, 2025.
Delta
8.0
Very good
7,934 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Canada
7.0
Good
9,252 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 June is currently the most expensive (average of $460). 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 Ontario?

Book flights to Ontario if you plan to visit one of these locations
Gatineau
Brockville
Pembroke
Petawawa

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