How far in advance should I book a flight from Ontario to St. John's, Saint John?

To save on the cost of your flight from Ontario to St. John's, Saint John, book at least 54 days before your planned departure. Booking around this time can save you about 120% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $863 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,309.

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

May is one of the best times of the year to fly to St. John's, Saint John from Ontario. Prices for May average $828 per person but you can even find prices for as low as $527. The most expensive prices can be found in the month of December. Opting for a May flight can save you 17% on your journey compared to booking in December

What is the cheapest time of day to fly from ONT to ANU?

When flying from Ontario to St. John's, Saint John, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Ontario-St. John's, Saint John flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-St. John's, Saint John flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-St. John's, Saint John flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Ontario-St. John's, Saint John 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-St. John's, Saint John flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

$760+ Flights from Ontario to St. John's

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Cheap flight deals from Ontario to St. John's

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 2 stars
Round-trip from	$760 (American Airlines)
Popular in	December
Cheapest in	May
Average price	$815

Provider with most accurate pricing for Ontario-St. John's V.C. Bird Intl flight deals.

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Provider most trusted by Cheapflights users for Ontario-St. John's V.C. Bird Intl flights.

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From Ontario to St. John's V.C. Bird Intl

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Highest demand for flights based on searches. 4% potential increase in price ($39 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 April 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 abril 30, 2025.

mar. 9/912:49 pmONT - ANU

2 stops21h 31mAmerican Airlines

lun. 9/152:30 pmANU - ONT

2 stops22h 09mAmerican Airlines

Deal found 4/28

$760

sáb. 5/3110:59 pmONT - ANU

1 stop13h 11mJetBlue

dom. 6/153:55 pmANU - ONT

1 stop33h 04mJetBlue

Deal found 4/28

$841

mar. 9/96:04 amONT - ANU

3 stops26h 26mMultiple Airlines

lun. 9/153:10 pmANU - ONT

2 stops33h 15mMultiple Airlines

Deal found 4/28

$1,306

Best flights from Ontario to St. John's
Discover carefully curated flight deals from Ontario to St. John's that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated abril 30, 2025.

mar. 9/912:49 pmONT - ANU

2 stops21h 31mAmerican Airlines

lun. 9/152:30 pmANU - ONT

2 stops22h 09mAmerican Airlines

Deal found 4/28

$760

sáb. 5/3110:59 pmONT - ANU

1 stop13h 11mJetBlue

dom. 6/153:55 pmANU - ONT

1 stop33h 04mJetBlue

Deal found 4/28

$841

mar. 9/96:04 amONT - ANU

3 stops26h 26mMultiple Airlines

lun. 9/153:10 pmANU - ONT

2 stops33h 15mMultiple Airlines

Deal found 4/28

$1,306

Last-minute flights from Ontario to St. John's
Discover last-minute flight deals from Ontario to St. John's. Data last updated abril 30, 2025 and is based on user searches.

sáb. 5/3110:59 pmONT - ANU

1 stop13h 11mJetBlue

dom. 6/153:55 pmANU - ONT

1 stop33h 04mJetBlue

Deal found 4/28

$841

sáb. 5/317:25 pmONT - ANU

2 stops13h 59mAmerican Airlines

dom. 6/151:50 pmANU - ONT

2 stops13h 09mAmerican Airlines

Deal found 4/28

$1,186

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to St. John's that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioSt. John's

ONT - ANU

ONTANU

Ontario

mar. 9/9

12:49 pm-1:20 pm

2 stops21h 31m

St. John's V.C. Bird Intl

lun. 9/15

2:30 pm-9:39 am

2 stops22h 09m

$760

OntarioSt. John's

ONT - ANU

ONTANU

Ontario

sáb. 5/31

10:59 pm-3:10 pm

1 stop13h 11m

St. John's V.C. Bird Intl

dom. 6/15

3:55 pm-9:59 pm

1 stop33h 04m

$841

OntarioSt. John's

ONT - ANU

ONTANU

Ontario

mar. 9/9

6:04 am-11:30 am

3 stops26h 26m

St. John's V.C. Bird Intl

lun. 9/15

3:10 pm-9:25 pm

2 stops33h 15m

$1,306

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Most accurate provider: When it comes to deals on Ontario-St. John's, Saint John flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-St. John's, Saint John flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-St. John's, Saint John flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Ontario-St. John's, Saint John 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-St. John's, Saint John 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 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.

Reviews of airlines servicing St. John's

JetBlue

7.3

Good

2,922 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Feb 2025

JFK - CHS

Boarding took a very long time, in fact we were delayed by at least 30mins. There wasn’t many options for snacks and there was only water. The pilot did an excellent job

JetBlue

7.3

Good

2,922 reviews

JetBlue

7.3

Good

2,922 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Feb 2025

JFK - CHS

Boarding took a very long time, in fact we were delayed by at least 30mins. There wasn’t many options for snacks and there was only water. The pilot did an excellent job

American Airlines

7.2

Good

10,000 reviews

JetBlue

7.3

Good

2,922 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Feb 2025

JFK - CHS

Boarding took a very long time, in fact we were delayed by at least 30mins. There wasn’t many options for snacks and there was only water. The pilot did an excellent job

Related info for your journey

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.

See more FAQs

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$760+ Cheap flights from Ontario (ONT) to St. John's (ANU)

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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to St. John's with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Ontario to St. John's

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Ontario to St. John's

Cheapest flights from Ontario to St. John'sExplore 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 abril 30, 2025.

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 abril 30, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to St. John's that are best for you.

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.

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?

Reviews of airlines servicing St. John's

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.

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

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

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

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

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 Ontario to St. John's

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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 abril 30, 2025.