When did momondo last update prices for flights from Ontario Airport to St John's Airport?

Prices for flights from Ontario Airport to St John's Airport are updated daily.

How old do you have to be to fly from Ontario Airport to St John's Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to St John's Airport.

What documentation or ID do you need to fly to St John's Airport?

The required travel and health documents for your St John's Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at St John's Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$367 Cheap Flights from Ontario to St. John's in 2026

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Ontario to St. John's

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:10 am - 1:38 am

ONT

YYT

15h 58m

2 stops

5:25 am - 10:26 pm

YYT

ONT

21h 31m

2 stops

$769United Airlines

Sat, Apr 18 - Sun, Apr 19

5:10 am - 1:38 am

ONT

YYT

15h 58m

2 stops

5:25 am - 10:26 pm

YYT

ONT

21h 31m

2 stops

$804United Airlines

Sat, Apr 18 - Sun, Apr 19

5:10 am - 1:38 am

ONT

YYT

15h 58m

2 stops

5:25 am - 10:26 pm

YYT

ONT

21h 31m

2 stops

$814United Airlines

Sat, Apr 18 - Sun, Apr 19

5:10 am - 1:38 am

ONT

YYT

15h 58m

2 stops

5:00 am - 5:47 pm

YYT

ONT

17h 17m

3 stops

$1,122United Airlines

Sat, Apr 18 - Sun, Apr 19

5:10 am - 1:38 am

ONT

YYT

15h 58m

2 stops

5:00 am - 5:47 pm

YYT

ONT

17h 17m

3 stops

$1,222United Airlines

Sat, Apr 18 - Sun, Apr 19

5:10 am - 12:56 am

ONT

YYT

15h 16m

3 stops

1:30 pm - 10:26 pm

YYT

ONT

13h 26m

2 stops

$1,263United Airlines

Sat, Apr 18 - Sun, Apr 19

5:10 am - 12:56 am

ONT

YYT

15h 16m

3 stops

1:30 pm - 10:26 pm

YYT

ONT

13h 26m

2 stops

$1,325United Airlines

Sat, Apr 18 - Sun, Apr 19

United Airlines flights from Ontario to St. John's

Our best United Airlines deals on Ontario to St. John's flight tickets

United Airlines

Apr 18

ONT5:10 amOntario

15h 58m

2 stops

YYT1:38 amSt John's

Apr 19

YYT5:25 amSt John's

21h 31m

2 stops

ONT10:26 pmOntario

$769

United Airlines

Apr 18

ONT5:10 amOntario

15h 58m

2 stops

YYT1:38 amSt John's

Apr 19

YYT5:25 amSt John's

21h 31m

2 stops

ONT10:26 pmOntario

$804

United Airlines

Apr 18

ONT5:10 amOntario

15h 58m

2 stops

YYT1:38 amSt John's

Apr 19

YYT5:25 amSt John's

21h 31m

2 stops

ONT10:26 pmOntario

$814

Fly from

Fly to

Route

Depart

Return

Price

OntarioSt. John's

ONT - YYT

ONTYYT

Ontario

Sat 4/18

5:10 am-1:38 am

2 stops15h 58m

St John's

Sun 4/19

5:25 am-10:26 pm

2 stops21h 31m

$769

OntarioSt. John's

ONT - YYT

ONTYYT

Ontario

Sat 4/18

5:10 am-1:38 am

2 stops15h 58m

St John's

Sun 4/19

5:25 am-10:26 pm

2 stops21h 31m

$804

OntarioSt. John's

ONT - YYT

ONTYYT

Ontario

Sat 4/18

5:10 am-1:38 am

2 stops15h 58m

St John's

Sun 4/19

5:25 am-10:26 pm

2 stops21h 31m

$814

OntarioSt. John's

ONT - YYT

ONTYYT

Ontario

Sat 4/18

5:10 am-1:38 am

2 stops15h 58m

St John's

Sun 4/19

5:00 am-5:47 pm

3 stops17h 17m

$1,122

OntarioSt. John's

ONT - YYT

ONTYYT

Ontario

Sat 4/18

5:10 am-1:38 am

2 stops15h 58m

St John's

Sun 4/19

5:00 am-5:47 pm

3 stops17h 17m

$1,222

OntarioSt. John's

ONT - YYT

ONTYYT

Ontario

Sat 4/18

5:10 am-12:56 am

3 stops15h 16m

St John's

Sun 4/19

1:30 pm-10:26 pm

2 stops13h 26m

$1,263

OntarioSt. John's

ONT - YYT

ONTYYT

Ontario

Sat 4/18

5:10 am-12:56 am

3 stops15h 16m

St John's

Sun 4/19

1:30 pm-10:26 pm

2 stops13h 26m

$1,325

OntarioSt. John's

ONT - YYT

ONTYYT

Ontario

Thu 5/14

5:00 am-12:41 am

2 stops15h 11m

$367

OntarioSt. John's

ONT - YYT

ONTYYT

Ontario

Tue 6/9

6:30 pm-12:36 am

2 stops25h 36m

$532

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Ontario to St. John's

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Ontario to St John's?

Air Canada and United Airlines are the most popular carriers operating from Ontario to St John's

What airlines fly to St. John's?

Air Canada, WestJet and United Airlines are the top three most popular airlines that fly to St. John's from Ontario according to our data. Air Canada is the first choice among our users, with 48% of people opting to fly with this airline when traveling to St. John's. Keep in mind that there are 3 different airlines that fly to St. John's on a routine basis, so you have a few additional options to choose from.

When to book flights from Ontario to St. John's

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to St. John's according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Ontario to St. John's (ONT to YYT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to St. John's

Fastest flight time	12h 43m
Direct flights	None

The fastest flight from Ontario to St. John's takes 12h 43m

There are no direct flights from Ontario to St. John's. There are no popular flight routes from Ontario to St. John's.

Search flight deals

How far is Ontario to St John's by plane?
A flight from Ontario to St John's will travel around 3414.2 mi. Flights usually cover this in 12h 43m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Ontario Airport to St John's Airport?
Prices for flights from Ontario Airport to St John's Airport are updated daily.
How old do you have to be to fly from Ontario Airport to St John's Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to St John's Airport.
What documentation or ID do you need to fly to St John's Airport?
The required travel and health documents for your St John's Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at St John's Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to St. John's?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ontario to St. John's. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Ontario to St. John's with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to St. John's from Ontario with this policy.

How can momondo help me find flights from Ontario to St. John's?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to St. John's from Ontario.

I’m not ready to book a flight from Ontario to St. John's right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Ontario to St. John's flights. All you need is a valid email address and we will do the rest; it is that quick and easy.