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Cheap flights from Ontario to Serbia from $577

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 Serbia departing on 3/9. 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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0 bags

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Find the cheapest flights from Ontario to Serbia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
11:59 am - 10:55 pm
ONT
-
BEG
25h 56m
2 stops
Delta Logo
6:15 am - 10:37 pm
BEG
-
ONT
25h 22m
2 stops
$714Delta
Mon, Mar 30 - Wed, Apr 15
United Airlines Logo
11:05 am - 11:45 pm
ONT
-
BEG
27h 40m
2 stops
United Airlines Logo
6:10 am - 8:36 pm
BEG
-
ONT
23h 26m
2 stops
$735United Airlines
Mon, Mar 30 - Wed, Apr 15
United Airlines Logo
7:00 am - 12:45 pm
ONT
-
BEG
20h 45m
2 stops
United Airlines Logo
6:20 am - 5:52 pm
BEG
-
ONT
20h 32m
2 stops
$736United Airlines
Wed, May 6 - Tue, May 12
United Airlines Logo
7:00 am - 4:10 pm
ONT
-
BEG
24h 10m
2 stops
United Airlines Logo
4:55 pm - 9:58 pm
BEG
-
ONT
38h 03m
2 stops
$756United Airlines
Mon, Apr 20 - Mon, May 11
United Airlines Logo
1:34 pm - 4:10 pm
ONT
-
BEG
41h 36m
2 stops
United Airlines Logo
1:40 pm - 12:20 pm
BEG
-
ONT
31h 40m
2 stops
$797United Airlines
Sat, Apr 4 - Sat, Apr 18
United Airlines Logo
11:05 am - 4:05 pm
ONT
-
BEG
20h 00m
2 stops
United Airlines Logo
6:10 am - 5:47 pm
BEG
-
ONT
20h 37m
2 stops
$830United Airlines
Wed, Apr 15 - Wed, Apr 29
United Airlines Logo
1:34 pm - 4:10 pm
ONT
-
BEG
17h 36m
2 stops
United Airlines Logo
6:10 am - 9:50 pm
BEG
-
ONT
24h 40m
2 stops
$835United Airlines
Mon, Mar 30 - Thu, Apr 16
United Airlines Logo
5:10 am - 12:25 pm
ONT
-
BEG
22h 15m
2 stops
United Airlines Logo
5:50 am - 8:36 pm
BEG
-
ONT
23h 46m
2 stops
$848United Airlines
Fri, Apr 17 - Fri, May 1
United Airlines Logo
7:00 am - 12:25 pm
ONT
-
BEG
20h 25m
2 stops
United Airlines Logo
1:20 pm - 10:59 pm
BEG
-
ONT
18h 39m
2 stops
$849United Airlines
Fri, Apr 17 - Fri, May 1
United Airlines Logo
7:00 am - 12:25 pm
ONT
-
BEG
20h 25m
2 stops
United Airlines Logo
1:40 pm - 10:59 pm
BEG
-
ONT
18h 19m
2 stops
$923United Airlines
Thu, Apr 16 - Thu, Apr 30

United Airlines flights from Ontario to Serbia

Our best United Airlines deals on Ontario to Serbia flight tickets
United Airlines
Mar 30
ONT11:05 amOntario
27h 40m
2 stops
BEG11:45 pmBelgrade Nikola Tesla
Apr 15
BEG6:10 amBelgrade Nikola Tesla
23h 26m
2 stops
ONT8:36 pmOntario
$735
United Airlines
May 6
ONT7:00 amOntario
20h 45m
2 stops
BEG12:45 pmBelgrade Nikola Tesla
May 12
BEG6:20 amBelgrade Nikola Tesla
20h 32m
2 stops
ONT5:52 pmOntario
$736
United Airlines
Apr 20
ONT7:00 amOntario
24h 10m
2 stops
BEG4:10 pmBelgrade Nikola Tesla
May 11
BEG4:55 pmBelgrade Nikola Tesla
38h 03m
2 stops
ONT9:58 pmOntario
$756

Air Serbia flights from Ontario to Serbia

Our best Air Serbia deals on Ontario to Serbia flight tickets
Air Serbia
Jul 7
ONT11:59 pmOntario
20h 01m
1 stop
BEG5:00 amBelgrade Nikola Tesla
Sep 1
BEG7:50 amBelgrade Nikola Tesla
23h 50m
1 stop
ONT10:40 pmOntario
$1,116
Air Serbia
Jul 26
ONT11:59 pmOntario
20h 01m
1 stop
BEG5:00 amBelgrade Nikola Tesla
Jul 29
BEG7:50 amBelgrade Nikola Tesla
23h 50m
1 stop
ONT10:40 pmOntario
$3,097
Air Serbia
Jul 26
ONT11:59 pmOntario
20h 01m
1 stop
BEG5:00 amBelgrade Nikola Tesla
Jul 30
BEG1:25 pmBelgrade Nikola Tesla
18h 15m
1 stop
ONT10:40 pmOntario
$3,447

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Serbia 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 February 26, 2026.
Use the filters below to find and compare flights from Ontario to Serbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Mon 3/30

11:59 am-10:55 pm

2 stops25h 56m

Belgrade Nikola Tesla

Wed 4/15

6:15 am-10:37 pm

2 stops25h 22m

$714

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Mon 3/30

11:05 am-11:45 pm

2 stops27h 40m

Belgrade Nikola Tesla

Wed 4/15

6:10 am-8:36 pm

2 stops23h 26m

$735

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Wed 5/6

7:00 am-12:45 pm

2 stops20h 45m

Belgrade Nikola Tesla

Tue 5/12

6:20 am-5:52 pm

2 stops20h 32m

$736

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Mon 4/20

7:00 am-4:10 pm

2 stops24h 10m

Belgrade Nikola Tesla

Mon 5/11

4:55 pm-9:58 pm

2 stops38h 03m

$756

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Sat 4/4

1:34 pm-4:10 pm

2 stops41h 36m

Belgrade Nikola Tesla

Sat 4/18

1:40 pm-12:20 pm

2 stops31h 40m

$797

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Wed 4/15

11:05 am-4:05 pm

2 stops20h 00m

Belgrade Nikola Tesla

Wed 4/29

6:10 am-5:47 pm

2 stops20h 37m

$830

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Mon 3/30

1:34 pm-4:10 pm

2 stops17h 36m

Belgrade Nikola Tesla

Thu 4/16

6:10 am-9:50 pm

2 stops24h 40m

$835

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Fri 4/17

5:10 am-12:25 pm

2 stops22h 15m

Belgrade Nikola Tesla

Fri 5/1

5:50 am-8:36 pm

2 stops23h 46m

$848

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Fri 4/17

7:00 am-12:25 pm

2 stops20h 25m

Belgrade Nikola Tesla

Fri 5/1

1:20 pm-10:59 pm

2 stops18h 39m

$849

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Thu 4/16

7:00 am-12:25 pm

2 stops20h 25m

Belgrade Nikola Tesla

Thu 4/30

1:40 pm-10:59 pm

2 stops18h 19m

$923

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Serbia from

How to get the cheapest flight ticket from Ontario to Serbia

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 Serbia?

United Airlines is the most popular carrier operating from Ontario to Serbia

What airlines fly to Serbia?

Turkish Airlines, SWISS and Lufthansa are the top three most popular airlines that fly to Serbia from Ontario according to our data. Turkish Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Serbia. Keep in mind that there are 7 different airlines that fly to Serbia on a routine basis, so you have a few additional options to choose from.

Cheap Ontario to Serbia flight deals and tips

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

Fastest flight time

20h 01m

Direct flights

None
The fastest flight from Ontario to Serbia takes 20h 01m
There are no direct flights from Ontario to Serbia. There are no popular flight routes from Ontario to Serbia.
Search flight deals

  • When did momondo last update prices for flights from Ontario Airport to Serbia?

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

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

    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 Serbia.

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

    The necessary travel and health documents for your Serbia 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 Serbia?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Serbia. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Ontario to Serbia flights to just show those with flexible booking policies.

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

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 Serbia.

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

Price alerts on flights to Serbia from Ontario are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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