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 111% 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 $844 per person but you can even find prices for as low as $545. The most expensive prices can be found in the month of June. Opting for a May flight can save you 22% on your journey compared to booking in June

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.

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.

$795+ 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 3 stars
Round-trip from	$795 (American Airlines)
Popular in	June
Cheapest in	May
Average price	$815

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

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Provider most trusted by Cheapflights users for Los Angeles-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. 7% potential increase in price ($72 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).

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Average for round-trip flights in March 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 March 26, 2025.

Tue 4/222:44 pmONT - ANU

2 stops21h 57mAmerican Airlines

Tue 4/294:41 pmANU - ONT

2 stops22h 18mAmerican Airlines

Deal found 3/25

$795

Tue 4/13:55 pmONT - ANU

2 stops18h 04mUnited Airlines

Mon 4/142:05 pmANU - ONT

2 stops34h 53mUnited Airlines

Deal found 3/25

$956

Wed 4/235:00 amONT - ANU

2 stops30h 50mMultiple Airlines

Mon 4/284:40 pmANU - ONT

2 stops32h 30mMultiple Airlines

Deal found 3/25

$3,093

Thu 7/104:45 pmONT - ANU

2 stops41h 45mBritish Airways

Thu 7/174:25 pmANU - ONT

2 stops34h 30mBritish Airways

Deal found 3/25

$4,013

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 March 26, 2025.

Tue 4/222:44 pmONT - ANU

2 stops21h 57mAmerican Airlines

Tue 4/294:41 pmANU - ONT

2 stops22h 18mAmerican Airlines

Deal found 3/25

$795

Sun 4/201:20 pmONT - ANU

2 stops20h 39mUnited Airlines

Thu 4/242:05 pmANU - ONT

2 stops34h 53mUnited Airlines

Deal found 3/25

$981

Wed 4/235:00 amONT - ANU

2 stops30h 50mMultiple Airlines

Mon 4/284:40 pmANU - ONT

2 stops32h 30mMultiple Airlines

Deal found 3/25

$3,093

Thu 7/104:45 pmONT - ANU

2 stops41h 45mBritish Airways

Thu 7/174:25 pmANU - ONT

2 stops34h 30mBritish Airways

Deal found 3/25

$4,013

Last-minute flights from Ontario to St. John's
Discover last-minute flight deals from Ontario to St. John's. Data last updated March 26, 2025 and is based on user searches.

Tue 4/13:55 pmONT - ANU

2 stops18h 04mUnited Airlines

Mon 4/142:05 pmANU - ONT

2 stops34h 53mUnited Airlines

Deal found 3/25

$956

Tue 4/110:27 pmONT - ANU

1 stop13h 07mAmerican Airlines

Mon 4/143:09 pmANU - ONT

2 stops23h 37mAmerican Airlines

Deal found 3/25

$1,030

Tue 4/222:44 pmONT - ANU

2 stops21h 57mAmerican Airlines

Tue 4/294:41 pmANU - ONT

2 stops22h 18mAmerican Airlines

Deal found 3/25

$795

Wed 4/235:00 amONT - ANU

2 stops30h 50mMultiple Airlines

Mon 4/284:40 pmANU - ONT

2 stops32h 30mMultiple Airlines

Deal found 3/25

$3,093

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

Tue 4/22

2:44 pm-3:41 pm

2 stops21h 57m

St. John's V.C. Bird Intl

Tue 4/29

4:41 pm-11:59 am

2 stops22h 18m

$795

OntarioSt. John's

ONT - ANU

ONTANU

Ontario

Sun 4/20

1:20 pm-12:59 pm

2 stops20h 39m

St. John's V.C. Bird Intl

Thu 4/24

2:05 pm-9:58 pm

2 stops34h 53m

$981

OntarioSt. John's

ONT - ANU

ONTANU

Ontario

Wed 4/23

5:00 am-2:50 pm

2 stops30h 50m

St. John's V.C. Bird Intl

Mon 4/28

4:40 pm-10:10 pm

2 stops32h 30m

$3,093

OntarioSt. John's

ONT - ANU

ONTANU

Ontario

Thu 7/10

4:45 pm-1:30 pm

2 stops41h 45m

St. John's V.C. Bird Intl

Thu 7/17

4:25 pm-11:55 pm

2 stops34h 30m

$4,013

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

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

Read through reviews of airlines operating flights from Ontario to St. John's, such as United Airlines, American Airlines and British Airways. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,608 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

United Airlines

7.4

Good

8,608 reviews

United Airlines

7.4

Good

8,608 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

American Airlines

7.2

Good

10,000 reviews

United Airlines

7.4

Good

8,608 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

British Airways

6.6

Okay

6,712 reviews

United Airlines

7.4

Good

8,608 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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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$795+ 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 4/22. 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

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Ontario to St. John's

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Round-trip from

Popular in

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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 March 26, 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 March 26, 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

See prices for flight routes from nearby airports that may be better suited for you.

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Travel Smart

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 March 26, 2025.