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St. John's

$359+ Cheap flights from Ontario (ONT) to St. John's (ANU)

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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — ANU
ago. 25 — sep. 11
lun. 8/25
lun. 9/1
1 adult, Economy
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Cheap flight deals from Ontario to St. John's

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to St. John's (ANU). 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 agosto 20, 2025.

Round-trip from

$851
(American Airlines)

One-way from

$359
(Priceline)

Popular in

December

Cheapest in

August

Average price

$745
From Ontario to St. John's V.C. Bird Intl
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One-way flight from Ontario to St. John's V.C. Bird Intl
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Highest demand for flights based on searches. 7% potential increase in price ($64 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Ontario to St. John's

Cheapest flights from Ontario to St. John's
Explore the most affordable flight options available from Ontario to St. John's. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 20, 2025.

This American Airlines deal was found by Cheapflights users on 8/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/1310:35 pmONT - ANU
2 stops13h 34mAmerican Airlines
dom. 9/284:09 pmANU - ONT
2 stops20h 54mAmerican Airlines
Deal found 8/19$851
This American Airlines deal was found by Cheapflights users on 8/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/159:59 amONT - ANU
2 stops23h 11mAmerican Airlines
mié. 11/192:10 pmANU - ONT
2 stops23h 47mAmerican Airlines
Deal found 8/18$855
This American Airlines deal was found by Cheapflights users on 8/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/11:10 pmONT - ANU
2 stops22h 59mAmerican Airlines
mié. 10/82:55 pmANU - ONT
2 stops24h 03mAmerican Airlines
Deal found 8/19$1,159
This Priceline deal was found by Cheapflights users on 8/19. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/2111:59 pmONT - ANU
1 stop12h 05mJetBlue
sáb. 8/234:27 pmANU - ONT
1 stop32h 32mJetBlue
Deal found 8/19$2,038

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to St. John's 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 agosto 20, 2025.
Use the filters below to find and compare flights from Ontario to St. John's that are best for you.

Fly from

Ontario

Fly to

St. John's

Route

Depart

Return

Price

OntarioSt. John's

ONT - ANU

ONTANU

Ontario

sáb. 9/13

10:35 pm-3:09 pm

2 stops13h 34m

St. John's V.C. Bird Intl

dom. 9/28

4:09 pm-10:03 am

2 stops20h 54m

$851

OntarioSt. John's

ONT - ANU

ONTANU

Ontario

sáb. 11/15

4:47 pm-1:10 pm

2 stops16h 23m

St. John's V.C. Bird Intl

mié. 11/19

2:10 pm-11:36 am

2 stops25h 26m

$855

OntarioSt. John's

ONT - ANU

ONTANU

Ontario

mié. 10/1

1:10 pm-3:09 pm

2 stops22h 59m

St. John's V.C. Bird Intl

mié. 10/8

2:55 pm-11:58 am

2 stops24h 03m

$1,159

OntarioSt. John's

ONT - ANU

ONTANU

Ontario

vie. 10/3

10:56 pm-2:18 pm

1 stop12h 22m

$359

OntarioSt. John's

ONT - ANU

ONTANU

Ontario

vie. 10/3

6:27 pm-12:59 pm

2 stops15h 32m

$463

OntarioSt. John's

ONT - ANU

ONTANU

Ontario

lun. 10/6

2:51 pm-1:51 pm

2 stops20h 00m

$529

OntarioSt. John's

ONT - ANU

ONTANU

Ontario

sáb. 10/4

12:45 pm-3:09 pm

2 stops23h 24m

$529

OntarioSt. John's

ONT - ANU

ONTANU

Ontario

dom. 10/5

2:30 pm-1:51 pm

2 stops20h 21m

$529

OntarioSt. John's

ONT - ANU

ONTANU

Ontario

mar. 9/30

8:15 am-3:09 pm

2 stops27h 54m

$535

OntarioSt. John's

ONT - ANU

ONTANU

Ontario

jue. 10/2

12:45 pm-3:09 pm

2 stops23h 24m

$554

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/19

Showing 1-10 of 13 results
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Best time to book a flight from Ontario to St. John's

Have a flexible travel schedule? Discover the best time to fly to St. John's 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 St. John's

What is the cheapest month to book a flight from Ontario to St. John's, Saint John?

Currently, August is the cheapest month in which you can book a flight from Ontario to St. John's, Saint John (average of $500). Flying from Ontario to St. John's, Saint John in June is currently the most expensive (average of $651). 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 Ontario to St. John's. 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 St. John's, Saint John?

    For as low as $851, American Airlines can have you in St. John's, Saint John from Ontario in 13h 34m. Airlines will cover a distance of 3619 mi.

  • What are the cheapest airlines to fly from Ontario to St. John's, Saint John one-way?

    To fly one-way, consider booking your trip with JetBlue, which is currently one of the cheapest options available, starting at $359. United Airlines flights start at $463 while deals on American Airlines start at $529 one-way.

  • Can I find deals for flights from Ontario to St. John's that include hotel bookings?

    Yes. In addition to deals on Ontario to St. John's flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to St. John's?

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

  • Can I find deals for business class flights from Ontario to St. John's?

    Yes. Cheapflights offers flight deals from Ontario to St. John's 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 St. John's, Saint John?

    Currently, August is the cheapest month in which you can book a flight from Ontario to St. John's, Saint John (average of $500). Flying from Ontario to St. John's, Saint John in June is currently the most expensive (average of $651). 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.

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