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Cheap flights from Ontario to Belgrade from $462

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 11/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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.
Multiple Airlines Logo
5:05 am - 12:45 pmONT-BEG
22h 40m2 stops
Multiple Airlines Logo
1:50 pm - 10:53 pmBEG-ONT
18h 03m2 stops
$571Multiple Airlines
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Sat, Jan 17 - Sat, Jan 31
United Airlines Logo
5:05 am - 12:50 pmONT-BEG
22h 45m2 stops
United Airlines Logo
6:25 am - 10:25 pmBEG-ONT
25h 00m2 stops
$582United Airlines
Find Deal
Thu, Dec 11 - Thu, Dec 25
United Airlines Logo
6:00 am - 12:55 pmONT-BEG
21h 55m2 stops
United Airlines Logo
1:50 pm - 10:53 pmBEG-ONT
18h 03m2 stops
$583United Airlines
Find Deal
Fri, Jan 16 - Fri, Jan 30
United Airlines Logo
6:00 am - 12:50 pmONT-BEG
21h 50m2 stops
United Airlines Logo
1:50 pm - 10:57 pmBEG-ONT
18h 07m2 stops
$608United Airlines
Find Deal
Wed, Feb 18 - Wed, Mar 4
Multiple Airlines Logo
1:45 pm - 5:05 pmONT-BEG
19h 20m2 stops
Multiple Airlines Logo
6:15 am - 10:45 pmBEG-ONT
25h 30m2 stops
$621Multiple Airlines
Find Deal
Tue, Mar 17 - Tue, Mar 31
United Airlines Logo
6:02 am - 12:50 pmONT-BEG
22h 48m2 stops
United Airlines Logo
6:15 am - 8:35 pmBEG-ONT
23h 20m2 stops
$633United Airlines
Find Deal
Wed, Mar 18 - Wed, Apr 1
United Airlines Logo
6:00 am - 12:50 pmONT-BEG
21h 50m2 stops
United Airlines Logo
1:50 pm - 10:57 pmBEG-ONT
18h 07m2 stops
$658United Airlines
Find Deal
Sun, Feb 15 - Sun, Mar 1
Multiple Airlines Logo
1:34 pm - 5:05 pmONT-BEG
18h 31m2 stops
Multiple Airlines Logo
1:50 pm - 5:51 pmBEG-ONT
37h 01m2 stops
$675Multiple Airlines
Find Deal
Wed, Dec 10 - Wed, Dec 24
United Airlines Logo
5:05 am - 12:50 pmONT-BEG
22h 45m2 stops
United Airlines Logo
1:50 pm - 10:53 pmBEG-ONT
18h 03m2 stops
$682United Airlines
Find Deal
Mon, Jan 19 - Mon, Feb 2
United Airlines Logo
7:00 am - 12:40 pmONT-BEG
20h 40m2 stops
United Airlines Logo
6:15 am - 8:35 pmBEG-ONT
23h 20m2 stops
$683United Airlines
Find Deal
Sun, Apr 12 - Sun, Apr 19

United Airlines flights from Ontario to Belgrade

Our best United Airlines deals on Ontario to Belgrade flight tickets
United Airlines
Dec 11
ONT5:05 amOntario
22h 45m
2 stops
BEG12:50 pmBelgrade Nikola Tesla
Dec 25
BEG6:25 amBelgrade Nikola Tesla
25h 00m
2 stops
ONT10:25 pmOntario
$582
Find similar
United Airlines
Jan 16
ONT6:00 amOntario
21h 55m
2 stops
BEG12:55 pmBelgrade Nikola Tesla
Jan 30
BEG1:50 pmBelgrade Nikola Tesla
18h 03m
2 stops
ONT10:53 pmOntario
$583
Find similar
United Airlines
Feb 18
ONT6:00 amOntario
21h 50m
2 stops
BEG12:50 pmBelgrade Nikola Tesla
Mar 4
BEG1:50 pmBelgrade Nikola Tesla
18h 07m
2 stops
ONT10:57 pmOntario
$608
Find similar

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 October 20, 2025.
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

Sat 1/17

5:05 am-12:45 pm

2 stops22h 40m

Belgrade Nikola Tesla

Sat 1/31

1:50 pm-10:53 pm

2 stops18h 03m

$571

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Thu 12/11

5:05 am-12:50 pm

2 stops22h 45m

Belgrade Nikola Tesla

Thu 12/25

6:25 am-10:25 pm

2 stops25h 00m

$582

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Fri 1/16

6:00 am-12:55 pm

2 stops21h 55m

Belgrade Nikola Tesla

Fri 1/30

1:50 pm-10:53 pm

2 stops18h 03m

$583

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Wed 2/18

6:00 am-12:50 pm

2 stops21h 50m

Belgrade Nikola Tesla

Wed 3/4

1:50 pm-10:57 pm

2 stops18h 07m

$608

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Tue 3/17

1:45 pm-5:05 pm

2 stops19h 20m

Belgrade Nikola Tesla

Tue 3/31

6:15 am-10:45 pm

2 stops25h 30m

$621

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Wed 3/18

6:02 am-12:50 pm

2 stops22h 48m

Belgrade Nikola Tesla

Wed 4/1

6:15 am-8:35 pm

2 stops23h 20m

$633

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Sun 2/15

6:00 am-12:50 pm

2 stops21h 50m

Belgrade Nikola Tesla

Sun 3/1

1:50 pm-10:57 pm

2 stops18h 07m

$658

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Wed 12/10

1:34 pm-5:05 pm

2 stops18h 31m

Belgrade Nikola Tesla

Wed 12/24

1:50 pm-5:51 pm

2 stops37h 01m

$675

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Mon 1/19

5:05 am-12:50 pm

2 stops22h 45m

Belgrade Nikola Tesla

Mon 2/2

1:50 pm-10:53 pm

2 stops18h 03m

$682

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Sun 4/12

7:00 am-12:40 pm

2 stops20h 40m

Belgrade Nikola Tesla

Sun 4/19

6:15 am-8:35 pm

2 stops23h 20m

$683

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 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 day to depart on your flight to Belgrade?

On average, the least expensive day to fly to Belgrade from Ontario is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $876. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,142. These prices are subject to change though, so be sure to set up a Price Alert for flights to Belgrade.

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

Direct flights

None
There are no direct flights from Ontario to Belgrade. There are no popular flight routes from Ontario to Belgrade.
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  • 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 18h 31m 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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