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Cheap flights from Ontario to St. John's from $339

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 5/23. 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

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
9:55 am - 2:05 pm
ONT
-
ANU
25h 10m
2 stops
Delta Logo
3:20 pm - 12:29 pm
ANU
-
ONT
24h 09m
2 stops
$907Delta
Fri, Aug 28 - Sat, Sep 5
JetBlue Logo
10:41 pm - 2:37 pm
ONT
-
ANU
12h 56m
1 stop
JetBlue Logo
3:30 pm - 10:40 pm
ANU
-
ONT
34h 10m
1 stop
$991JetBlue
Fri, Jun 5 - Thu, Jun 11
American Airlines Logo
7:30 am - 12:12 pm
ONT
-
ANU
25h 42m
2 stops
American Airlines Logo
2:35 pm - 10:04 am
ANU
-
ONT
22h 29m
2 stops
$1,005American Airlines
Sat, May 2 - Sat, May 16
Delta Logo
10:59 pm - 2:05 pm
ONT
-
ANU
12h 06m
1 stop
Delta Logo
3:20 pm - 12:29 pm
ANU
-
ONT
24h 09m
2 stops
$1,017Delta
Fri, Aug 28 - Sat, Sep 5
JetBlue Logo
11:24 pm - 2:21 pm
ONT
-
ANU
11h 57m
1 stop
JetBlue Logo
3:30 pm - 10:05 pm
ANU
-
ONT
33h 35m
1 stop
$1,335JetBlue
Sat, Aug 8 - Fri, Aug 14
JetBlue Logo
11:24 pm - 2:21 pm
ONT
-
ANU
11h 57m
1 stop
JetBlue Logo
3:30 pm - 10:05 pm
ANU
-
ONT
33h 35m
1 stop
$1,340JetBlue
Sat, Jul 25 - Fri, Jul 31
Delta Logo
7:00 am - 2:05 pm
ONT
-
ANU
28h 05m
1 stop
Delta Logo
3:20 pm - 11:04 am
ANU
-
ONT
22h 44m
1 stop
$1,387Delta
Fri, Aug 28 - Sat, Sep 5

JetBlue flights from Ontario to St. John's, Saint John

Our best JetBlue deals on Ontario to St. John's, Saint John flight tickets
JetBlue
Jun 5
ONT10:41 pmOntario
12h 56m
1 stop
ANU2:37 pmSt. John's V.C. Bird Intl
Jun 11
ANU3:30 pmSt. John's V.C. Bird Intl
34h 10m
1 stop
ONT10:40 pmOntario
$991
JetBlue
Aug 8
ONT11:24 pmOntario
11h 57m
1 stop
ANU2:21 pmSt. John's V.C. Bird Intl
Aug 14
ANU3:30 pmSt. John's V.C. Bird Intl
33h 35m
1 stop
ONT10:05 pmOntario
$1,335
JetBlue
Jul 25
ONT11:24 pmOntario
11h 57m
1 stop
ANU2:21 pmSt. John's V.C. Bird Intl
Jul 31
ANU3:30 pmSt. John's V.C. Bird Intl
33h 35m
1 stop
ONT10:05 pmOntario
$1,340

Delta flights from Ontario to St. John's, Saint John

Our best Delta deals on Ontario to St. John's, Saint John flight tickets
Delta
Aug 28
ONT9:55 amOntario
25h 10m
2 stops
ANU2:05 pmSt. John's V.C. Bird Intl
Sep 5
ANU3:20 pmSt. John's V.C. Bird Intl
24h 09m
2 stops
ONT12:29 pmOntario
$907
Delta
Aug 28
ONT10:59 pmOntario
12h 06m
1 stop
ANU2:05 pmSt. John's V.C. Bird Intl
Sep 5
ANU3:20 pmSt. John's V.C. Bird Intl
24h 09m
2 stops
ONT12:29 pmOntario
$1,017
Delta
Aug 28
ONT7:00 amOntario
28h 05m
1 stop
ANU2:05 pmSt. John's V.C. Bird Intl
Sep 5
ANU3:20 pmSt. John's V.C. Bird Intl
22h 44m
1 stop
ONT11:04 amOntario
$1,387

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to St. John's, Saint John 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 March 31, 2026.
Use the filters below to find and compare flights from Ontario to St. John's, Saint John that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioSt. John's

ONT - ANU

ONTANU

Ontario

Fri 8/28

9:55 am-2:05 pm

2 stops25h 10m

St. John's V.C. Bird Intl

Sat 9/5

3:20 pm-12:29 pm

2 stops24h 09m

$907

OntarioSt. John's

ONT - ANU

ONTANU

Ontario

Fri 6/5

10:41 pm-2:37 pm

1 stop12h 56m

St. John's V.C. Bird Intl

Thu 6/11

3:30 pm-10:40 pm

1 stop34h 10m

$991

OntarioSt. John's

ONT - ANU

ONTANU

Ontario

Sat 5/2

7:30 am-12:12 pm

2 stops25h 42m

St. John's V.C. Bird Intl

Sat 5/16

2:35 pm-10:04 am

2 stops22h 29m

$1,005
Quickest round-trip

OntarioSt. John's

ONT - ANU

ONTANU

Ontario

Fri 8/28

10:59 pm-2:05 pm

1 stop12h 06m

St. John's V.C. Bird Intl

Sat 9/5

3:20 pm-12:29 pm

2 stops24h 09m

$1,017

OntarioSt. John's

ONT - ANU

ONTANU

Ontario

Sat 8/8

11:24 pm-2:21 pm

1 stop11h 57m

St. John's V.C. Bird Intl

Fri 8/14

3:30 pm-10:05 pm

1 stop33h 35m

$1,335

OntarioSt. John's

ONT - ANU

ONTANU

Ontario

Sat 7/25

11:24 pm-2:21 pm

1 stop11h 57m

St. John's V.C. Bird Intl

Fri 7/31

3:30 pm-10:05 pm

1 stop33h 35m

$1,340

OntarioSt. John's

ONT - ANU

ONTANU

Ontario

Fri 8/28

7:00 am-2:05 pm

1 stop28h 05m

St. John's V.C. Bird Intl

Sat 9/5

3:20 pm-11:04 am

1 stop22h 44m

$1,387
Cheapest one-way

OntarioSt. John's

ONT - ANU

ONTANU

Ontario

Sat 5/23

10:41 pm-2:37 pm

1 stop12h 56m

$339

OntarioSt. John's

ONT - ANU

ONTANU

Ontario

Sun 5/24

10:41 pm-2:37 pm

1 stop12h 56m

$354

OntarioSt. John's

ONT - ANU

ONTANU

Ontario

Sun 5/24

10:41 pm-2:37 pm

1 stop12h 56m

$365

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
1
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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, Saint John

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 V.C. Bird Intl?

JetBlue is the most popular carrier operating from Ontario to St. John's V.C. Bird Intl

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

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to St. John's, Saint John 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, Saint John (ONT to ANU) flight deals and tips

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

Fastest flight time

11h 57m

Direct flights

None
The fastest flight from Ontario to St. John's, Saint John takes 11h 57m
There are no direct flights from Ontario to St. John's, Saint John. There are no popular flight routes from Ontario to St. John's, Saint John.
Search flight deals

  • How far is Ontario to St. John's V.C. Bird Intl by plane?

    Ontario and St. John's V.C. Bird Intl are 3619.6 mi apart from one another. In terms of flight time, this usually takes a little over 11h 57m.

  • When did momondo last update prices for flights from Ontario Airport to St. John's V.C. Bird Intl Airport?

    Prices for flights from Ontario Airport to St. John's V.C. Bird Intl Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Ontario Airport to St. John's V.C. Bird Intl 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 V.C. Bird Intl Airport.

  • What documentation or ID do you need to fly to St. John's V.C. Bird Intl Airport?

    The required travel and health documents for your St. John's V.C. Bird Intl 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 V.C. Bird Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near St. John's?

Book flights to St. John's if you plan to visit one of these locations
Jolly Harbour
English Harbour
Falmouth

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?

All flight searches from Ontario to St. John's on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Ontario and St. John's by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to St. John's, momondo offers a useful price alert feature which will track prices for flights to St. John's from Ontario and alert you when they change.

An easier way to manage your St. John's, Saint John trip

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