HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$210+ Cheap flights from Pierre Elliott Trudeau Intl (YUL) to Ontario (ONT)

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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — ONT
mag 20 — mag 271
mer 5/20
mer 5/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Pierre Elliott Trudeau Intl to Ontario with Cheapflights

1. Tell us where you want to go

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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Pierre Elliott Trudeau Intl to Ontario

Cheapest flights from Pierre Elliott Trudeau Intl to Ontario
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on aprile 20, 2026.

This Delta deal was found by Cheapflights users on 4/19. 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.
mar 5/512:42 pm
YUL
-
ONT
1 stop11h 18m
Delta
sab 5/912:07 pm
ONT
-
YUL
1 stop8h 50m
Delta
Deal found 4/19$485
This Delta deal was found by Cheapflights users on 4/18. 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.
sab 5/212:42 pm
YUL
-
ONT
1 stop11h 18m
Delta
sab 5/910:00 pm
ONT
-
YUL
1 stop10h 35m
Delta
Deal found 4/18$486
This Delta deal was found by Cheapflights users on 4/18. 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.
gio 5/287:10 am
YUL
-
ONT
2 stops12h 07m
Delta
mar 6/210:00 pm
ONT
-
YUL
2 stops10h 59m
Delta
Deal found 4/18$487
This Delta deal was found by Cheapflights users on 4/18. 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.
ven 5/2912:40 pm
YUL
-
ONT
1 stop12h 08m
Delta
mar 6/212:07 pm
ONT
-
YUL
2 stops17h 32m
Delta
Deal found 4/18$499
This Delta deal was found by Cheapflights users on 4/18. 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.
mar 6/212:40 pm
YUL
-
ONT
1 stop12h 08m
Delta
mar 6/910:00 pm
ONT
-
YUL
1 stop10h 43m
Delta
Deal found 4/18$514
This Kissandfly.com deal was found by Cheapflights users on 4/15. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun 7/139:45 am
YUL
-
ONT
1 stop16h 06m
Lufthansa
ven 7/176:30 am
ONT
-
YUL
1 stop8h 00m
Lufthansa
Deal found 4/15$519
This Delta deal was found by Cheapflights users on 4/15. 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.
mer 4/296:00 am
YUL
-
ONT
2 stops15h 33m
Delta
mer 5/612:49 pm
ONT
-
YUL
2 stops16h 50m
Delta
Deal found 4/15$520
This Delta deal was found by Cheapflights users on 4/20. 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.
lun 5/412:50 pm
YUL
-
ONT
1 stop11h 10m
Delta
mar 5/1210:00 pm
ONT
-
YUL
1 stop10h 35m
Delta
Deal found 4/20$523
This Delta deal was found by Cheapflights users on 4/15. 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.
mer 4/2912:50 pm
YUL
-
ONT
1 stop8h 43m
Delta
mar 5/510:15 pm
ONT
-
YUL
1 stop10h 23m
Delta
Deal found 4/15$524
This Delta deal was found by Cheapflights users on 4/19. 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.
lun 6/17:00 am
YUL
-
ONT
2 stops19h 34m
Delta
ven 6/510:00 pm
ONT
-
YUL
1 stop10h 35m
Delta
Deal found 4/19$525
This Delta deal was found by Cheapflights users on 4/18. 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.
gio 5/286:00 am
YUL
-
ONT
2 stops13h 17m
Delta
gio 6/410:00 pm
ONT
-
YUL
1 stop10h 35m
Delta
Deal found 4/18$526
This United Airlines deal was found by Cheapflights users on 4/17. 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.
lun 8/39:45 am
YUL
-
ONT
1 stop16h 06m
United Airlines
sab 8/86:30 am
ONT
-
YUL
1 stop11h 56m
United Airlines
Deal found 4/17$527

Find flight deals from Pierre Elliott Trudeau Intl to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Pierre Elliott Trudeau Intl (YUL) 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 aprile 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$485
(Delta)

One-way from

$210
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$416
Provider with most accurate pricing for Montreal Pierre Elliott Trudeau Intl-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Montreal Pierre Elliott Trudeau Intl-Ontario flights.
Search Deals
From Montreal Pierre Elliott Trudeau Intl to Ontario
Search Deals
One-way flight from Montreal Pierre Elliott Trudeau Intl to Ontario
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 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 Pierre Elliott Trudeau Intl 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 2,558,603 searches. Data last updated aprile 20, 2026.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

gio 5/28

7:10 am-4:17 pm

2 stops12h 07m

Ontario

mar 6/2

12:07 pm-11:57 pm

1 stop8h 50m

$487

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

gio 5/28

6:00 am-4:17 pm

2 stops13h 17m

Ontario

mer 6/3

10:00 pm-11:35 am

1 stop10h 35m

$487

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

sab 5/2

12:42 pm-9:00 pm

1 stop11h 18m

Ontario

sab 5/9

7:05 am-11:41 pm

2 stops13h 36m

$487

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

ven 5/29

12:40 pm-9:48 pm

1 stop12h 08m

Ontario

mar 6/2

12:07 pm-8:39 am

2 stops17h 32m

$499

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

sab 5/30

6:10 am-8:42 pm

2 stops17h 32m

Ontario

mar 6/9

6:30 pm-2:40 pm

2 stops17h 10m

$524

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

ven 6/5

9:45 am-8:42 pm

2 stops13h 57m

Ontario

mar 6/9

6:30 pm-2:40 pm

2 stops17h 10m

$524

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

ven 5/1

5:00 pm-10:35 pm

1 stop8h 35m

Ontario

mar 5/5

5:00 am-9:26 pm

2 stops13h 26m

$524
Quickest round-trip

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

gio 4/30

12:42 pm-6:33 pm

1 stop8h 51m

Ontario

dom 5/3

10:15 pm-11:38 am

1 stop10h 23m

$524

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

sab 9/19

9:45 am-6:19 pm

1 stop11h 34m

Ontario

lun 9/21

7:13 pm-8:16 am

1 stop10h 03m

$525

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

lun 6/1

7:00 am-11:34 pm

2 stops19h 34m

Ontario

ven 6/5

10:00 pm-11:35 am

1 stop10h 35m

$525

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/18

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3
  • Most accurate provider: When it comes to deals on Montreal Pierre Elliott Trudeau Intl Airport-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Montreal Pierre Elliott Trudeau Intl Airport-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Montreal Pierre Elliott Trudeau Intl Airport-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Montreal Pierre Elliott Trudeau Intl Airport-Ontario 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 Montreal Pierre Elliott Trudeau Intl Airport-Ontario 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 Pierre Elliott Trudeau Intl to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Pierre Elliott Trudeau Intl 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 Pierre Elliott Trudeau Intl to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Ontario from Montreal Pierre Elliott Trudeau Intl?

    Most people fly into Ontario (ONT) if they book a flight to Ontario from Montreal Pierre Elliott Trudeau Intl. On average, Ontario has 0 inbound flights from Montreal Pierre Elliott Trudeau Intl per day from 0 airlines. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

  • How long is the flight from Montreal Pierre Elliott Trudeau Intl Airport to Ontario?

    A quick flight from Montreal Pierre Elliott Trudeau Intl Airport to Ontario can take about 12h 07m. Delta provides one of the quickest options available for as low as $487. The distance between Montreal Pierre Elliott Trudeau Intl Airport and Ontario is about 2423 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Pierre Elliott Trudeau Intl to Ontario that include hotel bookings?

    Yes. In addition to deals on Pierre Elliott Trudeau Intl to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pierre Elliott Trudeau Intl to Ontario?

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

  • Can I find deals for business class flights from Pierre Elliott Trudeau Intl to Ontario?

    Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl 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.

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 Pierre Elliott Trudeau Intl to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Pierre Elliott Trudeau Intl to Los Angeles flights
Pierre Elliott Trudeau Intl to Las Vegas flights
Pierre Elliott Trudeau Intl to Sacramento flights

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.