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St. John's

$761+ 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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — ANU
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$761
(American Airlines)

Popular in

December

Cheapest in

August

Average price

$918
From Ontario to St. John's V.C. Bird Intl
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Highest demand for flights based on searches. 6% potential increase in price ($57 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 3, 2025.

This American Airlines deal was found by Cheapflights users on 7/3. 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.
Sat 8/2311:59 pmONT - ANU
2 stops12h 59mAmerican Airlines
Sun 9/74:09 pmANU - ONT
2 stops20h 54mAmerican Airlines
Deal found 7/3$761
This Trip.com deal was found by Cheapflights users on 7/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1711:59 pmONT - ANU
1 stop12h 05mJetBlue
Mon 7/214:23 pmANU - ONT
1 stop32h 36mJetBlue
Deal found 7/3$838
This Priceline deal was found by Cheapflights users on 7/1. 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.
Tue 9/94:45 pmONT - ANU
2 stops42h 50mBritish Airways
Tue 9/166:40 pmANU - ONT
2 stops27h 14mBritish Airways
Deal found 7/1$3,917

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 July 3, 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

Sat 8/23

11:59 pm-3:58 pm

2 stops12h 59m

St. John's V.C. Bird Intl

Sun 9/7

4:09 pm-10:03 am

2 stops20h 54m

$761

OntarioSt. John's

ONT - ANU

ONTANU

Ontario

Thu 7/17

11:59 pm-3:04 pm

1 stop12h 05m

St. John's V.C. Bird Intl

Mon 7/21

4:23 pm-9:59 pm

1 stop32h 36m

$838

OntarioSt. John's

ONT - ANU

ONTANU

Ontario

Tue 9/9

4:45 pm-2:35 pm

2 stops42h 50m

St. John's V.C. Bird Intl

Tue 9/16

6:40 pm-6:54 pm

2 stops27h 14m

$3,917

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

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

Get insights into the airlines that provide service to St. John's. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. John's. Reviews last updated July 3, 2025.
Get a feel of what it's like to fly with JetBlue, American Airlines, and British Airways from Ontario to St. John's by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
JetBlue
7.3
Good
2,916 reviews

Entertainment

7.3

Crew

8.0

Food

6.7

Comfort

7.6

Boarding

7.5

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Geri,May 2025

RSW - BOS

Full flight, even thought I had priority A boarding, the flight was more than 1/2 full with Mint & Mosaic members, before I could board and get overhead space.
JetBlue
7.3
Good
2,916 reviews
JetBlue
7.3
Good
2,916 reviews

Entertainment

7.3

Crew

8.0

Food

6.7

Comfort

7.6

Boarding

7.5

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Geri,May 2025

RSW - BOS

Full flight, even thought I had priority A boarding, the flight was more than 1/2 full with Mint & Mosaic members, before I could board and get overhead space.
American Airlines
7.2
Good
10,000 reviews
JetBlue
7.3
Good
2,916 reviews

Entertainment

7.3

Crew

8.0

Food

6.7

Comfort

7.6

Boarding

7.5

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Geri,May 2025

RSW - BOS

Full flight, even thought I had priority A boarding, the flight was more than 1/2 full with Mint & Mosaic members, before I could board and get overhead space.
British Airways
6.6
Okay
7,093 reviews
JetBlue
7.3
Good
2,916 reviews

Entertainment

7.3

Crew

8.0

Food

6.7

Comfort

7.6

Boarding

7.5

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Geri,May 2025

RSW - BOS

Full flight, even thought I had priority A boarding, the flight was more than 1/2 full with Mint & Mosaic members, before I could board and get overhead space.

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?

    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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