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$187+ 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 6/11. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — YOW
maj 29 — jun 51
fre 5/29
fre 6/5
1 adult, Economy
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Cheap 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 april 29, 2026.

This CheapTickets deal was found by Cheapflights users on 4/24. 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 CheapTickets is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mån 6/83:30 pm
ONT
-
YOW
3 stops35h 05m
Multiple Airlines
mån 6/157:20 am
YOW
-
ONT
3 stops15h 31m
Multiple Airlines
Deal found 4/24$420
This United Airlines deal was found by Cheapflights users on 4/27. 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.
tis 6/25:45 am
ONT
-
YOW
2 stops12h 50m
United Airlines
lör 6/610:44 am
YOW
-
ONT
1 stop15h 02m
United Airlines
Deal found 4/27$623
This United Airlines deal was found by Cheapflights users on 4/28. 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.
ons 6/36:30 pm
ONT
-
YOW
2 stops12h 33m
United Airlines
sön 6/75:20 pm
YOW
-
ONT
1 stop8h 26m
United Airlines
Deal found 4/28$651
This United Airlines deal was found by Cheapflights users on 4/27. 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.
tis 5/121:40 pm
ONT
-
YOW
2 stops16h 31m
United Airlines
lör 5/166:10 am
YOW
-
ONT
2 stops18h 48m
United Airlines
Deal found 4/27$656
This United Airlines deal was found by Cheapflights users on 4/27. 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.
sön 6/146:30 am
ONT
-
YOW
1 stop12h 05m
United Airlines
fre 6/1910:44 am
YOW
-
ONT
1 stop15h 02m
United Airlines
Deal found 4/27$669
This United Airlines deal was found by Cheapflights users on 4/25. 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.
ons 5/207:00 am
ONT
-
YOW
1 stop11h 35m
United Airlines
mån 5/255:50 pm
YOW
-
ONT
2 stops31h 05m
United Airlines
Deal found 4/25$679
This United Airlines deal was found by Cheapflights users on 4/28. 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.
ons 5/131:40 pm
ONT
-
YOW
2 stops16h 31m
United Airlines
lör 5/165:25 pm
YOW
-
ONT
2 stops19h 16m
United Airlines
Deal found 4/28$684
This United Airlines deal was found by Cheapflights users on 4/27. 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.
tors 6/116:30 am
ONT
-
YOW
1 stop12h 05m
United Airlines
tors 6/186:25 am
YOW
-
ONT
2 stops18h 30m
United Airlines
Deal found 4/27$688

Find 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 april 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$420
(CheapTickets)

One-way from

$187
(Trip.com)

Popular in

December

Cheapest in

June

Average price

$391
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. 12% potential increase in price ($66 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($14 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 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 april 29, 2026.
Use the filters below to find and compare flights from Ontario to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioOttawa

ONT - YOW

ONTYOW

Ontario

tis 6/2

5:45 am-9:35 pm

2 stops12h 50m

Ottawa

lör 6/6

10:44 am-10:46 pm

1 stop15h 02m

$623

OntarioOttawa

ONT - YOW

ONTYOW

Ontario

ons 6/3

6:30 pm-10:03 am

2 stops12h 33m

Ottawa

sön 6/7

5:20 pm-10:46 pm

1 stop8h 26m

$651

OntarioOttawa

ONT - YOW

ONTYOW

Ontario

tis 5/12

1:40 pm-9:11 am

2 stops16h 31m

Ottawa

lör 5/16

6:00 am-8:36 pm

2 stops17h 36m

$656
Quickest round-trip

OntarioOttawa

ONT - YOW

ONTYOW

Ontario

tors 7/16

6:30 am-9:35 pm

1 stop12h 05m

Ottawa

sön 7/19

5:20 pm-10:51 pm

1 stop8h 31m

$669

OntarioOttawa

ONT - YOW

ONTYOW

Ontario

ons 5/20

7:00 am-9:35 pm

1 stop11h 35m

Ottawa

mån 5/25

5:50 pm-9:55 pm

2 stops31h 05m

$679

OntarioOttawa

ONT - YOW

ONTYOW

Ontario

tors 6/11

6:30 am-9:35 pm

1 stop12h 05m

Ottawa

tors 6/18

6:25 am-9:55 pm

2 stops18h 30m

$688
Cheapest one-way

OntarioOttawa

ONT - YOW

ONTYOW

Ontario

fre 5/29

6:30 pm-5:07 pm

2 stops19h 37m

$288

OntarioOttawa

ONT - YOW

ONTYOW

Ontario

mån 7/20

6:39 pm-1:59 pm

2 stops16h 20m

$310

OntarioOttawa

ONT - YOW

ONTYOW

Ontario

ons 5/20

1:40 pm-1:59 pm

2 stops21h 19m

$310

OntarioOttawa

ONT - YOW

ONTYOW

Ontario

mån 8/3

1:50 pm-1:59 pm

2 stops21h 09m

$310

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 15 resultsSorted by cheapest first
1
2
  • Most accurate provider: When it comes to deals on Ontario-Ottawa flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Ottawa flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

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 12h 50m. United Airlines provides one of the quickest options available for as low as $623. 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.

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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