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Cheap flights from Ontario to St. John's from C$ 556

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 18/8. 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
1 adult, Economy, 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
1:56 p.m. - 11:21 p.m.
ONT
-
YYT
28h 55m
2 stops
United Airlines Logo
5:35 a.m. - 10:49 p.m.
YYT
-
ONT
21h 44m
2 stops
C$ 1,149United Airlines
Tue, 22 Sep - Sat, 26 Sep
United Airlines Logo
1:50 p.m. - 12:50 a.m.
ONT
-
YYT
30h 30m
2 stops
United Airlines Logo
5:40 p.m. - 8:01 p.m.
YYT
-
ONT
30h 51m
2 stops
C$ 1,158United Airlines
Mon, 10 Aug - Mon, 17 Aug
United Airlines Logo
7:00 a.m. - 12:33 a.m.
ONT
-
YYT
13h 03m
2 stops
United Airlines Logo
5:35 a.m. - 10:49 p.m.
YYT
-
ONT
21h 44m
2 stops
C$ 1,196United Airlines
Tue, 22 Sep - Sat, 26 Sep
United Airlines Logo
1:56 p.m. - 5:08 p.m.
ONT
-
YYT
22h 42m
2 stops
United Airlines Logo
5:35 a.m. - 8:01 p.m.
YYT
-
ONT
18h 56m
2 stops
C$ 1,220United Airlines
Fri, 11 Sep - Tue, 15 Sep
United Airlines Logo
1:50 p.m. - 5:10 p.m.
ONT
-
YYT
22h 50m
3 stops
United Airlines Logo
5:40 p.m. - 8:01 p.m.
YYT
-
ONT
30h 51m
2 stops
C$ 1,284United Airlines
Mon, 10 Aug - Mon, 17 Aug
United Airlines Logo
1:50 p.m. - 5:10 p.m.
ONT
-
YYT
22h 50m
3 stops
United Airlines Logo
5:35 a.m. - 8:42 p.m.
YYT
-
ONT
19h 37m
2 stops
C$ 1,329United Airlines
Mon, 27 Jul - Wed, 5 Aug
United Airlines Logo
7:00 a.m. - 12:33 a.m.
ONT
-
YYT
13h 03m
2 stops
United Airlines Logo
5:35 a.m. - 10:49 p.m.
YYT
-
ONT
21h 44m
2 stops
C$ 1,349United Airlines
Tue, 22 Sep - Sat, 26 Sep
United Airlines Logo
5:00 a.m. - 12:45 a.m.
ONT
-
YYT
15h 15m
2 stops
United Airlines Logo
7:55 p.m. - 5:54 p.m.
YYT
-
ONT
26h 29m
2 stops
C$ 1,369United Airlines
Sat, 25 Jul - Tue, 4 Aug
United Airlines Logo
1:50 p.m. - 5:10 p.m.
ONT
-
YYT
22h 50m
3 stops
United Airlines Logo
5:00 a.m. - 10:51 p.m.
YYT
-
ONT
22h 21m
2 stops
C$ 1,445United Airlines
Tue, 4 Aug - Mon, 10 Aug
United Airlines Logo
6:00 a.m. - 1:51 a.m.
ONT
-
YYT
15h 21m
2 stops
United Airlines Logo
5:00 a.m. - 10:51 p.m.
YYT
-
ONT
22h 21m
2 stops
C$ 1,452United Airlines
Tue, 4 Aug - Mon, 10 Aug

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United Airlines flights from Ontario to St. John's

Our best United Airlines deals on Ontario to St. John's flight tickets
United Airlines
22 Sep
ONT1:56 p.m.Ontario
28h 55m
2 stops
YYT11:21 p.m.St John's
26 Sep
YYT5:35 a.m.St John's
21h 44m
2 stops
ONT10:49 p.m.Ontario
C$ 1,149
United Airlines
10 Aug
ONT1:50 p.m.Ontario
30h 30m
2 stops
YYT12:50 a.m.St John's
17 Aug
YYT5:40 p.m.St John's
30h 51m
2 stops
ONT8:01 p.m.Ontario
C$ 1,158
United Airlines
22 Sep
ONT7:00 a.m.Ontario
13h 03m
2 stops
YYT12:33 a.m.St John's
26 Sep
YYT5:35 a.m.St John's
21h 44m
2 stops
ONT10:49 p.m.Ontario
C$ 1,196

WestJet flights from Ontario to St. John's

Our best WestJet deals on Ontario to St. John's flight tickets
WestJet
17 Jul
ONT6:20 a.m.Ontario
19h 55m
2 stops
YYT6:45 a.m.St John's
24 Jul
YYT7:35 a.m.St John's
19h 47m
2 stops
ONT10:52 p.m.Ontario
C$ 1,959
WestJet
20 Jul
ONT6:20 a.m.Ontario
19h 55m
2 stops
YYT6:45 a.m.St John's
1 Aug
YYT7:40 p.m.St John's
26h 11m
2 stops
ONT5:21 p.m.Ontario
C$ 2,023
WestJet
13 Jul
ONT11:59 a.m.Ontario
30h 26m
3 stops
YYT10:55 p.m.St John's
22 Jul
YYT3:00 p.m.St John's
30h 51m
3 stops
ONT5:21 p.m.Ontario
C$ 2,088

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 96,600 searches. Data last updated 11 July 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

Tue 22/9

1:56 p.m.-11:21 p.m.

2 stops28h 55m

St John's

Sat 26/9

5:35 a.m.-10:49 p.m.

2 stops21h 44m

C$ 1,149

OntarioSt. John's

ONT - YYT

ONTYYT

Ontario

Mon 10/8

1:50 p.m.-12:50 a.m.

2 stops30h 30m

St John's

Mon 17/8

5:40 p.m.-8:01 p.m.

2 stops30h 51m

C$ 1,158
Quickest round-trip

OntarioSt. John's

ONT - YYT

ONTYYT

Ontario

Tue 22/9

7:00 a.m.-12:33 a.m.

2 stops13h 03m

St John's

Sat 26/9

5:35 a.m.-10:49 p.m.

2 stops21h 44m

C$ 1,196

OntarioSt. John's

ONT - YYT

ONTYYT

Ontario

Fri 11/9

1:56 p.m.-5:08 p.m.

2 stops22h 42m

St John's

Tue 15/9

5:35 a.m.-8:01 p.m.

2 stops18h 56m

C$ 1,220

OntarioSt. John's

ONT - YYT

ONTYYT

Ontario

Mon 10/8

1:50 p.m.-5:10 p.m.

3 stops22h 50m

St John's

Mon 17/8

5:40 p.m.-8:01 p.m.

2 stops30h 51m

C$ 1,284

OntarioSt. John's

ONT - YYT

ONTYYT

Ontario

Mon 27/7

1:50 p.m.-5:10 p.m.

3 stops22h 50m

St John's

Wed 5/8

5:35 a.m.-8:42 p.m.

2 stops19h 37m

C$ 1,329

OntarioSt. John's

ONT - YYT

ONTYYT

Ontario

Tue 22/9

7:00 a.m.-12:33 a.m.

2 stops13h 03m

St John's

Sat 26/9

5:35 a.m.-10:49 p.m.

2 stops21h 44m

C$ 1,349

OntarioSt. John's

ONT - YYT

ONTYYT

Ontario

Sat 25/7

5:00 a.m.-12:45 a.m.

2 stops15h 15m

St John's

Tue 4/8

7:55 p.m.-5:54 p.m.

2 stops26h 29m

C$ 1,369

OntarioSt. John's

ONT - YYT

ONTYYT

Ontario

Tue 4/8

1:50 p.m.-5:10 p.m.

3 stops22h 50m

St John's

Mon 10/8

5:00 a.m.-10:51 p.m.

2 stops22h 21m

C$ 1,445

OntarioSt. John's

ONT - YYT

ONTYYT

Ontario

Tue 4/8

6:00 a.m.-1:51 a.m.

2 stops15h 21m

St John's

Mon 10/8

5:00 a.m.-10:51 p.m.

2 stops22h 21m

C$ 1,452

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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

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 46m

Direct flights

None
The fastest flight from Ontario to St. John's takes 12h 46m
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

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 5494.5 km. In terms of flight time, this usually takes a little over 12h 46m.

  • 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 refresh daily.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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 travel and health documents required for your trip to St John's Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at St John's Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

It is quick and easy to find Ontario to St. John's flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to St. John's that suits you.

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

Flights from Ontario to St. John's with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ontario to St. John's.

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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