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Cheap flights from Ontario to Belgrade from $404

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 8/25. 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 Belgrade

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
4:03 pm - 11:55 pm
ONT
-
BEG
22h 52m
2 stops
United Airlines Logo
6:15 am - 8:20 pm
BEG
-
ONT
23h 05m
2 stops
$763United Airlines
Tue, Dec 1 - Tue, Dec 15
United Airlines Logo
4:03 pm - 11:55 pm
ONT
-
BEG
22h 52m
2 stops
United Airlines Logo
1:40 pm - 11:06 pm
BEG
-
ONT
18h 26m
2 stops
$764United Airlines
Tue, Dec 8 - Tue, Dec 22
United Airlines Logo
6:46 am - 12:50 pm
ONT
-
BEG
21h 04m
2 stops
United Airlines Logo
6:15 am - 6:29 pm
BEG
-
ONT
21h 14m
2 stops
$813United Airlines
Sun, Nov 1 - Sun, Nov 15
United Airlines Logo
11:20 am - 12:50 pm
ONT
-
BEG
16h 30m
2 stops
United Airlines Logo
6:15 am - 8:20 pm
BEG
-
ONT
23h 05m
2 stops
$814United Airlines
Mon, Jan 4 - Mon, Jan 18
United Airlines Logo
9:15 am - 12:25 pm
ONT
-
BEG
18h 10m
2 stops
United Airlines Logo
5:50 am - 10:35 pm
BEG
-
ONT
25h 45m
2 stops
$823United Airlines
Tue, Aug 11 - Fri, Aug 21
United Airlines Logo
6:53 pm - 11:50 pm
ONT
-
BEG
43h 57m
2 stops
United Airlines Logo
1:40 pm - 10:26 pm
BEG
-
ONT
41h 46m
2 stops
$839United Airlines
Sat, Dec 5 - Sat, Dec 19
United Airlines Logo
5:00 am - 12:50 pm
ONT
-
BEG
22h 50m
2 stops
United Airlines Logo
6:15 am - 6:29 pm
BEG
-
ONT
21h 14m
2 stops
$843United Airlines
Mon, Nov 2 - Sun, Nov 8
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
United Airlines Logo
7:00 am - 12:45 pm
ONT
-
BEG
20h 45m
2 stops
United Airlines Logo
6:10 am - 8:01 pm
BEG
-
ONT
22h 51m
2 stops
$873United Airlines
Wed, Aug 26 - Wed, Sep 9
United Airlines Logo
9:15 am - 4:05 pm
ONT
-
BEG
21h 50m
2 stops
United Airlines Logo
6:20 am - 8:31 pm
BEG
-
ONT
23h 11m
3 stops
$874United Airlines
Tue, Sep 1 - Tue, Sep 29

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United Airlines flights from Ontario to Belgrade

Our best United Airlines deals on Ontario to Belgrade flight tickets
United Airlines
Dec 1
ONT4:03 pmOntario
22h 52m
2 stops
BEG11:55 pmBelgrade Nikola Tesla
Dec 15
BEG6:15 amBelgrade Nikola Tesla
23h 05m
2 stops
ONT8:20 pmOntario
$763
United Airlines
Dec 8
ONT4:03 pmOntario
22h 52m
2 stops
BEG11:55 pmBelgrade Nikola Tesla
Dec 22
BEG1:40 pmBelgrade Nikola Tesla
18h 26m
2 stops
ONT11:06 pmOntario
$764
United Airlines
Nov 1
ONT6:46 amOntario
21h 04m
2 stops
BEG12:50 pmBelgrade Nikola Tesla
Nov 15
BEG6:15 amBelgrade Nikola Tesla
21h 14m
2 stops
ONT6:29 pmOntario
$813

Turkish Airlines flights from Ontario to Belgrade

Our best Turkish Airlines deals on Ontario to Belgrade flight tickets
Turkish Airlines
Aug 11
ONT11:59 pmOntario
34h 36m
2 stops
BEG7:35 pmBelgrade Nikola Tesla
Sep 22
BEG9:00 amBelgrade Nikola Tesla
44h 13m
2 stops
ONT8:13 pmOntario
$1,051
Turkish Airlines
Jul 13
ONT11:51 pmOntario
30h 19m
2 stops
BEG3:10 pmBelgrade Nikola Tesla
Jul 31
BEG8:25 pmBelgrade Nikola Tesla
34h 34m
2 stops
ONT9:59 pmOntario
$5,277

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 July 8, 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

Cheapest round-trip

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Tue 12/1

4:03 pm-11:55 pm

2 stops22h 52m

Belgrade Nikola Tesla

Tue 12/15

6:15 am-8:20 pm

2 stops23h 05m

$763

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Tue 12/8

4:03 pm-11:55 pm

2 stops22h 52m

Belgrade Nikola Tesla

Tue 12/22

1:40 pm-11:06 pm

2 stops18h 26m

$764

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Sun 11/1

6:46 am-12:50 pm

2 stops21h 04m

Belgrade Nikola Tesla

Sun 11/15

6:15 am-6:29 pm

2 stops21h 14m

$813
Quickest round-trip

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Mon 1/4

11:20 am-12:50 pm

2 stops16h 30m

Belgrade Nikola Tesla

Mon 1/18

6:15 am-8:20 pm

2 stops23h 05m

$814

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-10:35 pm

2 stops25h 45m

$823

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Sat 12/5

6:53 pm-11:50 pm

2 stops43h 57m

Belgrade Nikola Tesla

Sat 12/19

1:40 pm-10:26 pm

2 stops41h 46m

$839

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Mon 11/2

5:00 am-12:50 pm

2 stops22h 50m

Belgrade Nikola Tesla

Sun 11/8

6:15 am-6:29 pm

2 stops21h 14m

$843

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

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Wed 8/26

7:00 am-12:45 pm

2 stops20h 45m

Belgrade Nikola Tesla

Wed 9/9

6:10 am-8:01 pm

2 stops22h 51m

$873

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Tue 9/1

9:15 am-4:05 pm

2 stops21h 50m

Belgrade Nikola Tesla

Tue 9/29

6:20 am-8:31 pm

3 stops23h 11m

$874

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?

Delta and United Airlines are the most popular carriers operating from Ontario to Belgrade Nikola Tesla

What airlines fly to Belgrade?

Turkish Airlines, SWISS and Air Serbia 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 45% 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

17h 47m

Direct flights

None
The fastest flight from Ontario to Belgrade takes 17h 47m
There are no direct flights from Ontario to Belgrade. There are no popular flight routes from Ontario to Belgrade.
Search flight deals

Frequently asked questions about flying from Ontario to Belgrade

  • 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 17h 47m 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
Subotica
Novi Sad

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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