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Cheap flights from Ontario to Belgrade from $464

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 Belgrade departing on 5/12. 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
0 bags

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Find the cheapest flights from Ontario to Belgrade

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
11:05 am - 12:55 pm
ONT
-
BEG
16h 50m
2 stops
United Airlines Logo
1:40 pm - 10:59 pm
BEG
-
ONT
18h 19m
2 stops
$586United Airlines
Mon, Apr 20 - Thu, May 7
United Airlines Logo
1:50 pm - 11:50 pm
ONT
-
BEG
25h 00m
2 stops
United Airlines Logo
6:15 am - 10:18 pm
BEG
-
ONT
24h 03m
2 stops
$587United Airlines
Thu, Mar 5 - Mon, Mar 9
United Airlines Logo
1:50 pm - 11:50 pm
ONT
-
BEG
25h 00m
2 stops
United Airlines Logo
6:15 am - 5:41 pm
BEG
-
ONT
43h 26m
3 stops
$598United Airlines
Thu, Mar 5 - Mon, Mar 9
United Airlines Logo
11:05 am - 3:45 pm
ONT
-
BEG
19h 40m
2 stops
United Airlines Logo
6:10 am - 8:36 pm
BEG
-
ONT
23h 26m
2 stops
$637United Airlines
Fri, Apr 17 - Thu, May 7
United Airlines Logo
11:05 am - 11:55 pm
ONT
-
BEG
27h 50m
2 stops
United Airlines Logo
1:40 pm - 9:50 pm
BEG
-
ONT
41h 10m
2 stops
$657United Airlines
Sun, Mar 29 - Sun, Apr 12
United Airlines Logo
7:00 am - 12:25 pm
ONT
-
BEG
20h 25m
2 stops
United Airlines Logo
6:20 am - 8:36 pm
BEG
-
ONT
23h 16m
2 stops
$706United Airlines
Tue, May 5 - Tue, May 19
United Airlines Logo
11:59 pm - 11:55 pm
ONT
-
BEG
38h 56m
2 stops
United Airlines Logo
6:10 am - 9:50 pm
BEG
-
ONT
24h 40m
2 stops
$722United Airlines
Sat, Mar 28 - Sat, Apr 11
United Airlines Logo
1:50 pm - 11:50 pm
ONT
-
BEG
26h 00m
2 stops
United Airlines Logo
6:20 am - 6:02 pm
BEG
-
ONT
20h 42m
2 stops
$757United Airlines
Tue, Mar 24 - Tue, Apr 7
United Airlines Logo
10:37 am - 4:10 pm
ONT
-
BEG
20h 33m
2 stops
United Airlines Logo
5:50 am - 8:36 pm
BEG
-
ONT
23h 46m
2 stops
$767United Airlines
Sun, May 3 - Sun, May 17
United Airlines Logo
1:40 pm - 11:50 pm
ONT
-
BEG
25h 10m
2 stops
United Airlines Logo
6:25 am - 5:38 pm
BEG
-
ONT
19h 13m
2 stops
$786United Airlines
Sat, Mar 7 - Sat, Mar 21

United Airlines flights from Ontario to Belgrade

Our best United Airlines deals on Ontario to Belgrade flight tickets
United Airlines
Mar 5
ONT5:15 amOntario
33h 35m
2 stops
BEG11:50 pmBelgrade Nikola Tesla
Mar 9
BEG6:15 amBelgrade Nikola Tesla
22h 35m
2 stops
ONT8:50 pmOntario
$586
United Airlines
Mar 5
ONT1:50 pmOntario
25h 00m
2 stops
BEG11:50 pmBelgrade Nikola Tesla
Mar 9
BEG6:15 amBelgrade Nikola Tesla
24h 03m
2 stops
ONT10:18 pmOntario
$587
United Airlines
Mar 5
ONT1:50 pmOntario
25h 00m
2 stops
BEG11:50 pmBelgrade Nikola Tesla
Mar 9
BEG6:15 amBelgrade Nikola Tesla
43h 26m
3 stops
ONT5:41 pmOntario
$597

Turkish Airlines flights from Ontario to Belgrade

Our best Turkish Airlines deals on Ontario to Belgrade flight tickets
Turkish Airlines
Aug 1
ONT11:25 pmOntario
31h 00m
2 stops
BEG3:25 pmBelgrade Nikola Tesla
Aug 15
BEG8:25 pmBelgrade Nikola Tesla
34h 44m
2 stops
ONT10:09 pmOntario
$1,413
Turkish Airlines
May 23
ONT11:25 pmOntario
31h 00m
2 stops
BEG3:25 pmBelgrade Nikola Tesla
Jun 3
BEG4:15 pmBelgrade Nikola Tesla
38h 54m
2 stops
ONT10:09 pmOntario
$1,616
Turkish Airlines
May 23
ONT11:25 pmOntario
31h 00m
2 stops
BEG3:25 pmBelgrade Nikola Tesla
Jun 3
BEG4:15 pmBelgrade Nikola Tesla
38h 54m
2 stops
ONT10:09 pmOntario
$1,620

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Belgrade 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 4, 2026.
Use the filters below to find and compare flights from Ontario to Belgrade that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Mon 4/20

11:05 am-12:55 pm

2 stops16h 50m

Belgrade Nikola Tesla

Thu 5/7

1:40 pm-10:59 pm

2 stops18h 19m

$586

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Thu 3/5

1:50 pm-11:50 pm

2 stops25h 00m

Belgrade Nikola Tesla

Mon 3/9

6:15 am-10:18 pm

2 stops24h 03m

$587

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Thu 3/5

1:50 pm-11:50 pm

2 stops25h 00m

Belgrade Nikola Tesla

Mon 3/9

6:15 am-5:41 pm

3 stops43h 26m

$598

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Fri 4/17

11:05 am-3:45 pm

2 stops19h 40m

Belgrade Nikola Tesla

Thu 5/7

6:10 am-8:36 pm

2 stops23h 26m

$637

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Sun 3/29

11:05 am-11:55 pm

2 stops27h 50m

Belgrade Nikola Tesla

Sun 4/12

1:40 pm-9:50 pm

2 stops41h 10m

$657

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Tue 5/5

7:00 am-12:25 pm

2 stops20h 25m

Belgrade Nikola Tesla

Tue 5/19

6:20 am-8:36 pm

2 stops23h 16m

$706

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Sat 3/28

11:59 pm-11:55 pm

2 stops38h 56m

Belgrade Nikola Tesla

Sat 4/11

6:10 am-9:50 pm

2 stops24h 40m

$722

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Tue 3/24

1:50 pm-11:50 pm

2 stops26h 00m

Belgrade Nikola Tesla

Tue 4/7

6:20 am-6:02 pm

2 stops20h 42m

$757

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Sun 5/3

10:37 am-4:10 pm

2 stops20h 33m

Belgrade Nikola Tesla

Sun 5/17

5:50 am-8:36 pm

2 stops23h 46m

$767

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Sat 3/7

1:40 pm-11:50 pm

2 stops25h 10m

Belgrade Nikola Tesla

Sat 3/21

6:25 am-5:38 pm

2 stops19h 13m

$786

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 Belgrade from

How to get the cheapest flight ticket from Ontario to Belgrade

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 Belgrade Nikola Tesla?

United Airlines is the most popular carrier operating from Ontario to Belgrade Nikola Tesla

What airlines fly to Belgrade?

Turkish Airlines, SWISS and Lufthansa are the top three most popular airlines that fly to Belgrade from Ontario according to our data. Turkish Airlines is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Belgrade. Keep in mind that there are 8 different airlines that fly to Belgrade on a routine basis, so you have a few additional options to choose from.

When to book flights from Ontario to Belgrade

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Belgrade according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Belgrade (ONT to BEG) flight deals and tips

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

Fastest flight time

16h 50m

Direct flights

None
The fastest flight from Ontario to Belgrade takes 16h 50m
There are no direct flights from Ontario to Belgrade. There are no popular flight routes from Ontario to Belgrade.
Search flight deals

  • How far is Ontario to Belgrade Nikola Tesla by plane?

    A flight from Ontario to Belgrade Nikola Tesla will travel around 6383.2 mi. Typically, this will take 16h 50m by plane in normal conditions.

  • When did momondo last update prices for flights from Ontario Airport to Belgrade Nikola Tesla Airport?

    Prices for flights from Ontario Airport to Belgrade Nikola Tesla Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Ontario Airport to Belgrade Nikola Tesla 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 Belgrade Nikola Tesla Airport.

  • What documentation or ID do you need to fly to Belgrade Nikola Tesla Airport?

    The required travel and health documents for your Belgrade Nikola Tesla 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 Belgrade Nikola Tesla Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Belgrade?

Book flights to Belgrade if you plan to visit one of these locations
Novi Sad
Subotica

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ontario to Belgrade. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

Once you have performed a search for Ontario to Belgrade flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Belgrade 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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