$202+ 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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — YOW
Oct 8 — Oct 151
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Ottawa with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Last-minute
One-way
Cheapest flights from Ontario to OttawaExplore 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 September 8, 2026.
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 September 8, 2026.
This Delta deal was found by Cheapflights users on 9/5. 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.
Sun 10/1111:56 am -
2 stops14h 39m
Sat 10/171:20 pm -
2 stops12h 23m
Deal found 9/5![Delta logo]()
$830
This Air Canada deal was found by Cheapflights users on 9/8. 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.
Fri 10/235:00 am -
2 stops13h 20m
Fri 10/305:10 am -
2 stops18h 05m
Deal found 9/8![Air Canada logo]()
$859
This Mytrip deal was found by Cheapflights users on 9/7. 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.
Sat 10/108:03 am -
2 stops10h 32m
Fri 10/166:00 am -
2 stops17h 58m
Deal found 9/7![Air Canada logo]()
$869
This Gotogate deal was found by Cheapflights users on 9/4. 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.
Sun 10/46:07 am -
2 stops15h 46m
Sat 10/102:00 pm -
2 stops9h 58m
Deal found 9/4![Air Canada logo]()
$871
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Sat 10/107:00 am -
1 stop7h 16m
Fri 10/165:20 pm -
1 stop8h 29m
Deal found 9/7![United Airlines logo]()
$877
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/67:00 am -
1 stop7h 16m
Sat 10/105:20 pm -
1 stop8h 29m
Deal found 9/8![United Airlines logo]()
$903
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Fri 10/95:00 am -
2 stops13h 35m
Sun 10/116:25 am -
2 stops18h 34m
Deal found 9/4![United Airlines logo]()
$909
This United Airlines deal was found by Cheapflights users on 9/4. 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 10/47:00 am -
1 stop7h 16m
Sat 10/1010:00 am -
2 stops14h 59m
Deal found 9/4![United Airlines logo]()
$917
Best flights from Ontario to OttawaDiscover carefully curated flight deals from Ontario to Ottawa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 8, 2026.
Discover carefully curated flight deals from Ontario to Ottawa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 8, 2026.
This Delta deal was found by Cheapflights users on 9/5. 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.
Sun 10/1111:56 am -
2 stops14h 39m
Sat 10/171:20 pm -
2 stops12h 23m
Deal found 9/5![Delta logo]()
$830
This Air Canada deal was found by Cheapflights users on 9/8. 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.
Fri 10/235:00 am -
2 stops13h 20m
Fri 10/305:10 am -
2 stops18h 05m
Deal found 9/8![Air Canada logo]()
$859
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Sat 10/107:00 am -
1 stop7h 16m
Fri 10/165:20 pm -
1 stop8h 29m
Deal found 9/7![United Airlines logo]()
$877
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/67:00 am -
1 stop7h 16m
Sat 10/105:20 pm -
1 stop8h 29m
Deal found 9/8![United Airlines logo]()
$903
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Fri 10/95:00 am -
2 stops13h 35m
Sun 10/116:25 am -
2 stops18h 34m
Deal found 9/4![United Airlines logo]()
$909
This United Airlines deal was found by Cheapflights users on 9/4. 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 10/47:00 am -
1 stop7h 16m
Sat 10/1010:00 am -
2 stops14h 59m
Deal found 9/4![United Airlines logo]()
$917
Last-minute flights from Ontario to OttawaDiscover last-minute flight deals from Ontario to Ottawa. Data last updated September 8, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Ottawa. Data last updated September 8, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 9/4. 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.
Sun 10/46:07 am -
2 stops15h 46m
Sat 10/102:00 pm -
2 stops9h 58m
Deal found 9/4![Air Canada logo]()
$871
This United Airlines deal was found by Cheapflights users on 9/4. 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 10/47:00 am -
1 stop7h 16m
Sat 10/1010:00 am -
2 stops14h 59m
Deal found 9/4![United Airlines logo]()
$917
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/67:00 am -
1 stop7h 16m
Sat 10/105:20 pm -
1 stop8h 29m
Deal found 9/8![United Airlines logo]()
$903
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Fri 10/95:00 am -
2 stops13h 35m
Sun 10/116:25 am -
2 stops18h 34m
Deal found 9/4![United Airlines logo]()
$909
This Mytrip deal was found by Cheapflights users on 9/7. 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.
Sat 10/108:03 am -
2 stops10h 32m
Fri 10/166:00 am -
2 stops17h 58m
Deal found 9/7![Air Canada logo]()
$869
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Sat 10/106:00 am -
2 stops12h 35m
Fri 10/165:20 pm -
1 stop8h 29m
Deal found 9/7![United Airlines logo]()
$877
This Delta deal was found by Cheapflights users on 9/5. 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.
Sun 10/1111:56 am -
2 stops14h 39m
Sat 10/171:20 pm -
2 stops12h 23m
Deal found 9/5![Delta logo]()
$830
This Air Canada deal was found by Cheapflights users on 9/8. 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.
Fri 10/235:00 am -
2 stops13h 20m
Fri 10/305:10 am -
2 stops18h 05m
Deal found 9/8![Air Canada logo]()
$859
One-way flights from Ontario to OttawaSearch for one-way flight options from Ontario to Ottawa. Find affordable one-way fares based on user searches. Data last updated September 8, 2026.
Search for one-way flight options from Ontario to Ottawa. Find affordable one-way fares based on user searches. Data last updated September 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/5. 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.
Tue 10/2011:26 am -
3 stops28h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$202
This Justfly.com deal was found by Cheapflights users on 9/8. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/511:54 am -
2 stops14h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![WestJet logo]()
$369
This Air Canada deal was found by Cheapflights users on 9/8. 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.
Thu 1/75:00 am -
2 stops11h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Air Canada logo]()
$397
This United Airlines deal was found by Cheapflights users on 9/8. 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 1/77:00 am -
1 stop11h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![United Airlines logo]()
$407
This United Airlines deal was found by Cheapflights users on 9/5. 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 10/207:00 am -
1 stop7h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![United Airlines logo]()
$409
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/47:00 am -
1 stop7h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![United Airlines logo]()
$427
This United Airlines deal was found by Cheapflights users on 9/7. 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 10/157:00 am -
1 stop7h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![United Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 9/4. 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 12/245:00 am -
2 stops11h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![United Airlines logo]()
$434
This United Airlines deal was found by Cheapflights users on 9/4. 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 12/2211:52 pm -
1 stop11h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![United Airlines logo]()
$466
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 September 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $830 (Delta) |
One-way from | $202 (Kiwi.com) |
Popular in | December |
Cheapest in | April |
Average price | $618 |
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 7,457,451 searches. Data last updated September 8, 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
Cheapest round-trip
OntarioOttawa
ONT Ontario - YOW Ottawa
ONTYOW
Ontario
Tue 10/20
11:26 am-7:20 pm
3 stops28h 54m
Ottawa
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$202
OntarioOttawa
ONT Ontario - YOW Ottawa
ONTYOW
Ontario
Mon 10/5
11:54 am-5:35 am
2 stops14h 41m
Ottawa
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$369
OntarioOttawa
ONT Ontario - YOW Ottawa
ONTYOW
Ontario
Thu 1/7
7:00 am-9:23 pm
1 stop11h 23m
Ottawa
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$407
Quickest round-trip
OntarioOttawa
ONT Ontario - YOW Ottawa
ONTYOW
Ontario
Tue 10/20
7:00 am-5:16 pm
1 stop7h 16m
Ottawa
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$409
OntarioOttawa
ONT Ontario - YOW Ottawa
ONTYOW
Ontario
Mon 10/5
7:00 am-5:16 pm
1 stop7h 16m
Ottawa
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$427
OntarioOttawa
ONT Ontario - YOW Ottawa
ONTYOW
Ontario
Sun 10/4
7:00 am-5:16 pm
1 stop7h 16m
Ottawa
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$427
OntarioOttawa
ONT Ontario - YOW Ottawa
ONTYOW
Ontario
Thu 12/24
11:52 pm-2:09 pm
1 stop11h 17m
Ottawa
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$429
OntarioOttawa
ONT Ontario - YOW Ottawa
ONTYOW
Ontario
Tue 12/22
11:52 pm-2:09 pm
1 stop11h 17m
Ottawa
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$466
OntarioOttawa
ONT Ontario - YOW Ottawa
ONTYOW
Ontario
Wed 12/23
5:00 am-7:30 pm
2 stops11h 30m
Ottawa
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$491
OntarioOttawa
ONT Ontario - YOW Ottawa
ONTYOW
Ontario
Wed 12/23
11:52 pm-2:09 pm
1 stop11h 17m
Ottawa
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$509
Showing 1-10 of 16 resultsSorted by cheapest first
- 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.
ONT-YOW
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.
Traveling to a place near Ottawa?
Book flights to Ottawa if you plan to visit one of these locationsGatineau
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