Cheap flights from Ontario to St. John's from $334

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to St. John's departing on 7/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:00 am - 12:33 am
ONT
-
YYT
15h 03m
2 stops
United Airlines Logo
5:35 am - 8:52 pm
YYT
-
ONT
19h 47m
2 stops
$775United Airlines
Wed, Sep 23 - Tue, Sep 29
United Airlines Logo
6:05 am - 1:46 am
ONT
-
YYT
15h 11m
2 stops
United Airlines Logo
5:35 am - 10:26 pm
YYT
-
ONT
21h 21m
2 stops
$780United Airlines
Thu, Oct 1 - Mon, Oct 5
Air Canada Logo
1:40 pm - 12:33 pm
ONT
-
YYT
18h 23m
2 stops
Air Canada Logo
8:30 am - 8:36 pm
YYT
-
ONT
16h 36m
2 stops
$830Air Canada
Fri, May 15 - Tue, May 19
United Airlines Logo
5:00 am - 1:48 am
ONT
-
YYT
16h 18m
2 stops
United Airlines Logo
5:35 am - 10:51 pm
YYT
-
ONT
21h 46m
2 stops
$1,045United Airlines
Tue, Jun 16 - Tue, Jun 23
Multiple Airlines Logo
9:36 pm - 12:35 am
ONT
-
YYT
22h 29m
3 stops
Multiple Airlines Logo
7:00 pm - 10:41 pm
YYT
-
ONT
32h 11m
3 stops
$1,162Multiple Airlines
Tue, Jun 16 - Tue, Jun 23
United Airlines Logo
5:00 am - 1:01 pm
ONT
-
YYT
27h 31m
3 stops
United Airlines Logo
5:35 am - 10:51 pm
YYT
-
ONT
21h 46m
2 stops
$1,210United Airlines
Tue, Jun 16 - Tue, Jun 23
United Airlines Logo
5:00 am - 12:33 am
ONT
-
YYT
15h 03m
3 stops
United Airlines Logo
5:00 am - 5:51 pm
YYT
-
ONT
17h 21m
2 stops
$1,310United Airlines
Thu, Oct 1 - Mon, Oct 5
United Airlines Logo
5:00 am - 12:33 am
ONT
-
YYT
15h 03m
3 stops
United Airlines Logo
5:00 am - 5:51 pm
YYT
-
ONT
17h 21m
2 stops
$1,339United Airlines
Thu, Oct 1 - Mon, Oct 5
Air Canada Logo
5:00 am - 11:23 pm
ONT
-
YYT
13h 53m
2 stops
Air Canada Logo
5:35 am - 8:36 pm
YYT
-
ONT
19h 31m
3 stops
$1,381Air Canada
Fri, May 15 - Tue, May 19
WestJet Logo
6:20 am - 6:45 am
ONT
-
YYT
19h 55m
2 stops
WestJet Logo
7:35 am - 10:41 pm
YYT
-
ONT
19h 36m
2 stops
$1,457WestJet
Wed, Jun 10 - Wed, Jun 24

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Air Canada flights from Ontario to St. John's

Our best Air Canada deals on Ontario to St. John's flight tickets
Air Canada
May 15
ONT1:40 pmOntario
18h 23m
2 stops
YYT12:33 pmSt John's
May 19
YYT8:30 amSt John's
16h 36m
2 stops
ONT8:36 pmOntario
$830
Air Canada
May 15
ONT5:00 amOntario
13h 53m
2 stops
YYT11:23 pmSt John's
May 19
YYT5:35 amSt John's
19h 31m
3 stops
ONT8:36 pmOntario
$1,381

United Airlines flights from Ontario to St. John's

Our best United Airlines deals on Ontario to St. John's flight tickets
United Airlines
Sep 23
ONT5:00 amOntario
15h 03m
2 stops
YYT12:33 amSt John's
Sep 29
YYT5:35 amSt John's
19h 47m
2 stops
ONT8:52 pmOntario
$775
United Airlines
Oct 1
ONT6:05 amOntario
15h 11m
2 stops
YYT1:46 amSt John's
Oct 5
YYT5:35 amSt John's
21h 21m
2 stops
ONT10:26 pmOntario
$780
United Airlines
Jun 16
ONT5:00 amOntario
16h 18m
2 stops
YYT1:48 amSt John's
Jun 23
YYT5:35 amSt John's
21h 46m
2 stops
ONT10:51 pmOntario
$1,045

momondo 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, momondo users made 832,500 searches. Data last updated May 5, 2026.
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

Cheapest round-trip

OntarioSt. John's

ONT - YYT

ONTYYT

Ontario

Wed 9/23

5:00 am-12:33 am

2 stops15h 03m

St John's

Tue 9/29

5:35 am-8:52 pm

2 stops19h 47m

$775

OntarioSt. John's

ONT - YYT

ONTYYT

Ontario

Thu 10/1

6:05 am-1:46 am

2 stops15h 11m

St John's

Mon 10/5

5:35 am-10:26 pm

2 stops21h 21m

$780

OntarioSt. John's

ONT - YYT

ONTYYT

Ontario

Fri 5/15

1:40 pm-12:33 pm

2 stops18h 23m

St John's

Tue 5/19

8:30 am-8:36 pm

2 stops16h 36m

$830

OntarioSt. John's

ONT - YYT

ONTYYT

Ontario

Tue 6/16

5:00 am-1:48 am

2 stops16h 18m

St John's

Tue 6/23

5:35 am-10:51 pm

2 stops21h 46m

$1,045

OntarioSt. John's

ONT - YYT

ONTYYT

Ontario

Tue 6/16

9:36 pm-12:35 am

3 stops22h 29m

St John's

Tue 6/23

7:00 pm-10:41 pm

3 stops32h 11m

$1,162

OntarioSt. John's

ONT - YYT

ONTYYT

Ontario

Tue 6/16

5:00 am-1:01 pm

3 stops27h 31m

St John's

Tue 6/23

5:35 am-10:51 pm

2 stops21h 46m

$1,210
Quickest round-trip

OntarioSt. John's

ONT - YYT

ONTYYT

Ontario

Thu 10/1

5:00 am-12:33 am

3 stops15h 03m

St John's

Mon 10/5

5:00 am-5:51 pm

2 stops17h 21m

$1,310

OntarioSt. John's

ONT - YYT

ONTYYT

Ontario

Thu 10/1

5:00 am-12:33 am

3 stops15h 03m

St John's

Mon 10/5

5:00 am-5:51 pm

2 stops17h 21m

$1,339

OntarioSt. John's

ONT - YYT

ONTYYT

Ontario

Fri 5/15

5:00 am-11:23 pm

2 stops13h 53m

St John's

Tue 5/19

5:35 am-8:36 pm

3 stops19h 31m

$1,381

OntarioSt. John's

ONT - YYT

ONTYYT

Ontario

Wed 6/10

6:20 am-6:45 am

2 stops19h 55m

St John's

Wed 6/24

7:35 am-10:41 pm

2 stops19h 36m

$1,457

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to St. John's from

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?

United Airlines is the most popular carrier 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 46% 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 25m

Direct flights

None
The fastest flight from Ontario to St. John's takes 12h 25m
There are no direct flights from Ontario to St. John's. There are no popular flight routes from Ontario to St. John's.

Frequently asked questions about flying from Ontario to St. John's

  • 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 25m, 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.

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1 adult
Thu 6/4
Thu 6/11

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