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Cheap flights from Ontario to Slovenia from $655

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Slovenia departing on 4/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Ontario to Slovenia

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
11:59 pm - 8:20 pm
ONT
-
LJU
35h 21m2 stops
British Airways Logo
7:00 pm - 10:35 pm
LJU
-
ONT
36h 35m2 stops
$655British Airways
Wed, Apr 15 - Thu, Apr 30
British Airways Logo
11:58 pm - 8:35 pm
ONT
-
LJU
35h 37m2 stops
British Airways Logo
9:25 pm - 10:35 pm
LJU
-
ONT
34h 10m2 stops
$696British Airways
Fri, Apr 3 - Sun, Apr 12
British Airways Logo
5:02 pm - 8:20 pm
ONT
-
LJU
18h 18m2 stops
British Airways Logo
9:05 pm - 10:35 pm
LJU
-
ONT
34h 30m2 stops
$775British Airways
Thu, Apr 2 - Fri, Apr 10
British Airways Logo
1:10 pm - 4:10 pm
ONT
-
LJU
42h 00m2 stops
British Airways Logo
9:05 pm - 9:57 pm
LJU
-
ONT
33h 52m2 stops
$2,572British Airways
Sun, Jun 21 - Fri, Jul 3

British Airways flights from Ontario to Slovenia

Our best British Airways deals on Ontario to Slovenia flight tickets
British Airways
Apr 3
ONT11:58 pmOntario
35h 37m
2 stops
LJU8:35 pmLjubljana Joze Pucnik
Apr 12
LJU9:25 pmLjubljana Joze Pucnik
34h 10m
2 stops
ONT10:35 pmOntario
$696
Find similar
British Airways
Jun 21
ONT1:10 pmOntario
42h 00m
2 stops
LJU4:10 pmLjubljana Joze Pucnik
Jul 3
LJU9:05 pmLjubljana Joze Pucnik
33h 52m
2 stops
ONT9:57 pmOntario
$5,457
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Slovenia 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 January 2, 2026.
Use the filters below to find and compare flights from Ontario to Slovenia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioLjubljana

ONT - LJU

ONTLJU

Ontario

Wed 4/15

11:59 pm-8:20 pm

2 stops35h 21m

Ljubljana Joze Pucnik

Thu 4/30

7:00 pm-10:35 pm

2 stops36h 35m

$655

OntarioLjubljana

ONT - LJU

ONTLJU

Ontario

Fri 4/3

11:58 pm-8:35 pm

2 stops35h 37m

Ljubljana Joze Pucnik

Sun 4/12

9:25 pm-10:35 pm

2 stops34h 10m

$696

OntarioLjubljana

ONT - LJU

ONTLJU

Ontario

Thu 4/2

5:02 pm-8:20 pm

2 stops18h 18m

Ljubljana Joze Pucnik

Fri 4/10

9:05 pm-10:35 pm

2 stops34h 30m

$775

OntarioLjubljana

ONT - LJU

ONTLJU

Ontario

Sun 6/21

1:10 pm-4:10 pm

2 stops42h 00m

Ljubljana Joze Pucnik

Fri 7/3

9:05 pm-9:57 pm

2 stops33h 52m

$2,572

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Slovenia from

How to get the cheapest flight ticket from Ontario to Slovenia

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 airlines fly to Slovenia?

SWISS, Lufthansa and KLM are the top three most popular airlines that fly to Slovenia from Ontario according to our data. SWISS is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Slovenia. Keep in mind that there are 5 different airlines that fly to Slovenia on a routine basis, so you have a few additional options to choose from.

Cheap Ontario to Slovenia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Slovenia

Fastest flight time

24h 35m

Direct flights

None
The fastest flight from Ontario to Slovenia takes 24h 35m
There are no direct flights from Ontario to Slovenia. There are no popular flight routes from Ontario to Slovenia.
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  • When did momondo last update prices for flights from Ontario Airport to Slovenia?

    Prices for flights from Ontario Airport to Slovenia are updated daily.

  • How old do you have to be to fly from Ontario Airport to Slovenia?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario Airport to Slovenia.

  • What documentation or ID do you need to fly to Slovenia?

    The necessary travel and health documents for your Slovenia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Slovenia?

Finding the right flight to Slovenia from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Slovenia quick and easy, saving you time and money.

Can I find flights from Ontario to Slovenia with flexible booking policies on momondo?

All flight searches from Ontario to Slovenia on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Ontario to Slovenia?

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 Slovenia.

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

Yes momondo offers price alerts on flights to Slovenia from Ontario. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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