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Cheap flights from Ontario to Serbia from $343

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 10/11. 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 Serbia

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:00 am - 12:50 pm
ONT
-
BEG
21h 50m
2 stops
United Airlines Logo
6:15 am - 8:20 pm
BEG
-
ONT
23h 05m
2 stops
$764United Airlines
Tue, Jan 5 - Tue, Jan 19
Delta Logo
6:20 am - 11:55 am
ONT
-
BEG
20h 35m
2 stops
Delta Logo
6:15 am - 9:52 pm
BEG
-
ONT
24h 37m
2 stops
$802Delta
Tue, Aug 11 - Fri, Aug 21
United Airlines Logo
1:52 pm - 11:50 pm
ONT
-
BEG
24h 58m
2 stops
United Airlines Logo
6:15 am - 8:56 pm
BEG
-
ONT
23h 41m
2 stops
$813United Airlines
Sun, Nov 8 - Sun, Nov 22
United Airlines Logo
9:00 am - 12:50 pm
ONT
-
BEG
18h 50m
2 stops
United Airlines Logo
6:15 am - 8:56 pm
BEG
-
ONT
23h 41m
2 stops
$814United Airlines
Fri, Nov 6 - Fri, Nov 20
United Airlines Logo
1:24 pm - 4:05 pm
ONT
-
BEG
17h 41m
2 stops
United Airlines Logo
1:40 pm - 10:59 pm
BEG
-
ONT
18h 19m
2 stops
$821United Airlines
Wed, Oct 7 - Wed, Oct 21
United Airlines Logo
9:15 am - 4:05 pm
ONT
-
BEG
21h 50m
2 stops
United Airlines Logo
6:10 am - 8:01 pm
BEG
-
ONT
22h 51m
3 stops
$823United Airlines
Tue, Aug 11 - Wed, Aug 19
United Airlines Logo
9:15 am - 12:25 pm
ONT
-
BEG
18h 10m
2 stops
United Airlines Logo
5:50 am - 6:11 pm
BEG
-
ONT
21h 21m
2 stops
$824United Airlines
Tue, Aug 11 - Fri, Aug 21
United Airlines Logo
1:52 pm - 11:55 pm
ONT
-
BEG
25h 03m
2 stops
United Airlines Logo
6:15 am - 8:56 pm
BEG
-
ONT
23h 41m
2 stops
$838United Airlines
Wed, Nov 11 - Wed, Nov 25
United Airlines Logo
9:00 am - 12:50 pm
ONT
-
BEG
18h 50m
2 stops
United Airlines Logo
6:15 am - 8:56 pm
BEG
-
ONT
23h 41m
2 stops
$839United Airlines
Tue, Nov 10 - Tue, Nov 24
United Airlines Logo
9:00 am - 12:50 pm
ONT
-
BEG
18h 50m
2 stops
United Airlines Logo
6:15 am - 8:56 pm
BEG
-
ONT
23h 41m
2 stops
$863United Airlines
Sat, Nov 7 - Sat, Nov 21

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United Airlines flights from Ontario to Serbia

Our best United Airlines deals on Ontario to Serbia flight tickets
United Airlines
Jan 5
ONT6:00 amOntario
21h 50m
2 stops
BEG12:50 pmBelgrade Nikola Tesla
Jan 19
BEG6:15 amBelgrade Nikola Tesla
23h 05m
2 stops
ONT8:20 pmOntario
$764
United Airlines
Nov 8
ONT1:52 pmOntario
24h 58m
2 stops
BEG11:50 pmBelgrade Nikola Tesla
Nov 22
BEG6:15 amBelgrade Nikola Tesla
23h 41m
2 stops
ONT8:56 pmOntario
$813
United Airlines
Nov 6
ONT9:00 amOntario
18h 50m
2 stops
BEG12:50 pmBelgrade Nikola Tesla
Nov 20
BEG6:15 amBelgrade Nikola Tesla
23h 41m
2 stops
ONT8:56 pmOntario
$814

Delta flights from Ontario to Serbia

Our best Delta deals on Ontario to Serbia flight tickets
Delta
Aug 11
ONT6:20 amOntario
20h 35m
2 stops
BEG11:55 amBelgrade Nikola Tesla
Aug 21
BEG6:15 amBelgrade Nikola Tesla
24h 37m
2 stops
ONT9:52 pmOntario
$802
Delta
Aug 6
ONT1:06 pmOntario
24h 49m
2 stops
BEG10:55 pmBelgrade Nikola Tesla
Oct 1
BEG6:15 amBelgrade Nikola Tesla
19h 20m
2 stops
ONT4:35 pmOntario
$901

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 July 10, 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

Cheapest round-trip

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Tue 1/5

6:00 am-12:50 pm

2 stops21h 50m

Belgrade Nikola Tesla

Tue 1/19

6:15 am-8:20 pm

2 stops23h 05m

$764

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Tue 8/11

6:20 am-11:55 am

2 stops20h 35m

Belgrade Nikola Tesla

Fri 8/21

6:15 am-9:52 pm

2 stops24h 37m

$802

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Sun 11/8

1:52 pm-11:50 pm

2 stops24h 58m

Belgrade Nikola Tesla

Sun 11/22

6:15 am-8:56 pm

2 stops23h 41m

$813

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Fri 11/6

9:00 am-12:50 pm

2 stops18h 50m

Belgrade Nikola Tesla

Fri 11/20

6:15 am-8:56 pm

2 stops23h 41m

$814
Quickest round-trip

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Wed 10/7

1:24 pm-4:05 pm

2 stops17h 41m

Belgrade Nikola Tesla

Wed 10/21

1:40 pm-10:59 pm

2 stops18h 19m

$821

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Tue 8/11

9:15 am-4:05 pm

2 stops21h 50m

Belgrade Nikola Tesla

Wed 8/19

6:10 am-8:01 pm

3 stops22h 51m

$823

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Tue 8/11

9:15 am-12:25 pm

2 stops18h 10m

Belgrade Nikola Tesla

Fri 8/21

5:50 am-6:11 pm

2 stops21h 21m

$824

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Wed 11/11

1:52 pm-11:55 pm

2 stops25h 03m

Belgrade Nikola Tesla

Wed 11/25

6:15 am-8:56 pm

2 stops23h 41m

$838

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Tue 11/10

9:00 am-12:50 pm

2 stops18h 50m

Belgrade Nikola Tesla

Tue 11/24

6:15 am-8:56 pm

2 stops23h 41m

$839

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Sat 11/7

9:00 am-12:50 pm

2 stops18h 50m

Belgrade Nikola Tesla

Sat 11/21

6:15 am-8:56 pm

2 stops23h 41m

$863

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 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?

Delta is the most popular carrier operating from Ontario to Serbia

What airlines fly to Serbia?

Turkish Airlines, SWISS and Air Serbia 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 45% of people opting to fly with this airline when traveling to Serbia. Keep in mind that there are 8 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

17h 41m

Direct flights

None
The fastest flight from Ontario to Serbia takes 17h 41m
There are no direct flights from Ontario to Serbia. There are no popular flight routes from Ontario to Serbia.
Search flight deals

Frequently asked questions about flying from Ontario to Serbia

  • 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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