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.

$343 Cheap Flights from Ontario to Serbia in 2026

Find the cheapest flights from Ontario to Serbia

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:00 am - 12:50 pmONT Ontario-BEG Belgrade Nikola Tesla

22h 50m2 stops Denver Intl Frankfurt am Main

6:15 am - 8:29 pmBEG Belgrade Nikola Tesla-ONT Ontario

23h 14m2 stops Frankfurt am Main San Francisco

$766United Airlines

Tue, Nov 24 - Tue, Dec 8

11:20 am - 12:50 pmONT Ontario-BEG Belgrade Nikola Tesla

16h 30m2 stops San Francisco Frankfurt am Main

6:15 am - 8:20 pmBEG Belgrade Nikola Tesla-ONT Ontario

23h 05m2 stops Frankfurt am Main Denver Intl

$772United Airlines

Wed, Jan 27 - Wed, Feb 10

1:35 pm - 11:50 pmONT Ontario-BEG Belgrade Nikola Tesla

25h 15m2 stops San Francisco Frankfurt am Main

6:15 am - 8:20 pmBEG Belgrade Nikola Tesla-ONT Ontario

23h 05m3 stops Frankfurt am Main Newark Denver Intl

$816United Airlines

Fri, Nov 27 - Fri, Dec 11

4:03 pm - 11:50 pmONT Ontario-BEG Belgrade Nikola Tesla

22h 47m2 stops San Francisco Frankfurt am Main

6:15 am - 8:20 pmBEG Belgrade Nikola Tesla-ONT Ontario

23h 05m2 stops Frankfurt am Main Denver Intl

$822United Airlines

Fri, Jan 22 - Fri, Feb 5

11:52 pm - 5:20 pmONT Ontario-BEG Belgrade Nikola Tesla

32h 28m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

6:15 am - 11:06 pmBEG Belgrade Nikola Tesla-ONT Ontario

25h 51m2 stops Frankfurt am Main San Francisco

$840Multiple Airlines

Mon, Dec 28 - Mon, Jan 11

6:45 am - 12:50 pmONT Ontario-BEG Belgrade Nikola Tesla

21h 05m2 stops Chicago O'Hare Intl Frankfurt am Main

1:40 pm - 11:06 pmBEG Belgrade Nikola Tesla-ONT Ontario

18h 26m2 stops Frankfurt am Main San Francisco

$847United Airlines

Tue, Feb 23 - Tue, Mar 9

8:03 am - 12:30 pmONT Ontario-BEG Belgrade Nikola Tesla

19h 27m2 stops San Francisco Munich Franz Josef Strauss

1:05 pm - 10:51 pmBEG Belgrade Nikola Tesla-ONT Ontario

18h 46m2 stops Munich Franz Josef Strauss San Francisco

$853United Airlines

Wed, Oct 7 - Wed, Oct 21

11:10 am - 4:30 pmONT Ontario-BEG Belgrade Nikola Tesla

20h 20m2 stops San Francisco Munich Franz Josef Strauss

6:15 am - 6:01 pmBEG Belgrade Nikola Tesla-ONT Ontario

19h 46m2 stops Frankfurt am Main San Francisco

$865United Airlines

Tue, Oct 13 - Tue, Oct 27

4:00 pm - 11:50 pmONT Ontario-BEG Belgrade Nikola Tesla

22h 50m2 stops San Francisco Frankfurt am Main

1:40 pm - 6:44 pmBEG Belgrade Nikola Tesla-ONT Ontario

38h 04m2 stops Frankfurt am Main Chicago O'Hare Intl

$866United Airlines

Sat, Dec 26 - Tue, Jan 12

11:20 am - 12:50 pmONT Ontario-BEG Belgrade Nikola Tesla

16h 30m2 stops San Francisco Frankfurt am Main

6:15 am - 6:44 pmBEG Belgrade Nikola Tesla-ONT Ontario

21h 29m2 stops Frankfurt am Main Chicago O'Hare Intl

$868Lufthansa

Sun, Jan 24 - Sun, Feb 7

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Lufthansa flights from Ontario to Serbia

Our best Lufthansa deals on Ontario to Serbia flight tickets

Lufthansa

Jan 24

ONT11:20 amOntario

16h 30m

2 stops

BEG12:50 pmBelgrade Nikola Tesla

Feb 7

BEG6:15 amBelgrade Nikola Tesla

21h 29m

2 stops

ONT6:44 pmOntario

$868

Lufthansa

Sep 7

ONT1:18 pmOntario

23h 47m

2 stops

BEG10:05 pmBelgrade Nikola Tesla

Jan 25

BEG1:40 pmBelgrade Nikola Tesla

18h 26m

2 stops

ONT11:06 pmOntario

$994

Lufthansa

Sep 7

ONT5:00 amOntario

22h 30m

2 stops

BEG12:30 pmBelgrade Nikola Tesla

Feb 1

BEG1:40 pmBelgrade Nikola Tesla

18h 26m

2 stops

ONT11:06 pmOntario

$997

United Airlines flights from Ontario to Serbia

Our best United Airlines deals on Ontario to Serbia flight tickets

United Airlines

Nov 24

ONT5:00 amOntario

22h 50m

2 stops

BEG12:50 pmBelgrade Nikola Tesla

Dec 8

BEG6:15 amBelgrade Nikola Tesla

23h 14m

2 stops

ONT8:29 pmOntario

$766

United Airlines

Jan 27

ONT11:20 amOntario

16h 30m

2 stops

BEG12:50 pmBelgrade Nikola Tesla

Feb 10

BEG6:15 amBelgrade Nikola Tesla

23h 05m

3 stops

ONT8:20 pmOntario

$772

United Airlines

Nov 27

ONT1:35 pmOntario

25h 15m

2 stops

BEG11:50 pmBelgrade Nikola Tesla

Dec 11

BEG6:15 amBelgrade Nikola Tesla

23h 05m

3 stops

ONT8:20 pmOntario

$816

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioBelgrade

ONT Ontario - BEG Belgrade Nikola Tesla

ONTBEG

Ontario

Tue 11/24

5:00 am-12:50 pm

2 stops22h 50m

Belgrade Nikola Tesla

Tue 12/8

6:15 am-8:29 pm

2 stops23h 14m

$766

OntarioBelgrade

ONT Ontario - BEG Belgrade Nikola Tesla

ONTBEG

Ontario

Wed 1/27

11:20 am-12:50 pm

2 stops16h 30m

Belgrade Nikola Tesla

Wed 2/10

6:15 am-8:20 pm

2 stops23h 05m

$772

OntarioBelgrade

ONT Ontario - BEG Belgrade Nikola Tesla

ONTBEG

Ontario

Fri 11/27

1:35 pm-11:50 pm

2 stops25h 15m

Belgrade Nikola Tesla

Fri 12/11

6:15 am-8:20 pm

3 stops23h 05m

$816

OntarioBelgrade

ONT Ontario - BEG Belgrade Nikola Tesla

ONTBEG

Ontario

Fri 1/22

4:03 pm-11:50 pm

2 stops22h 47m

Belgrade Nikola Tesla

Fri 2/5

6:15 am-8:20 pm

2 stops23h 05m

$822

OntarioBelgrade

ONT Ontario - BEG Belgrade Nikola Tesla

ONTBEG

Ontario

Mon 12/28

11:52 pm-5:20 pm

2 stops32h 28m

Belgrade Nikola Tesla

Mon 1/11

6:15 am-11:06 pm

2 stops25h 51m

$840

OntarioBelgrade

ONT Ontario - BEG Belgrade Nikola Tesla

ONTBEG

Ontario

Tue 2/23

6:45 am-12:50 pm

2 stops21h 05m

Belgrade Nikola Tesla

Tue 3/9

1:40 pm-11:06 pm

2 stops18h 26m

$847

OntarioBelgrade

ONT Ontario - BEG Belgrade Nikola Tesla

ONTBEG

Ontario

Wed 10/7

8:03 am-12:30 pm

2 stops19h 27m

Belgrade Nikola Tesla

Wed 10/21

1:05 pm-10:51 pm

2 stops18h 46m

$853

OntarioBelgrade

ONT Ontario - BEG Belgrade Nikola Tesla

ONTBEG

Ontario

Tue 10/13

11:10 am-4:30 pm

2 stops20h 20m

Belgrade Nikola Tesla

Tue 10/27

6:15 am-6:01 pm

2 stops19h 46m

$865

OntarioBelgrade

ONT Ontario - BEG Belgrade Nikola Tesla

ONTBEG

Ontario

Sat 12/26

4:00 pm-11:50 pm

2 stops22h 50m

Belgrade Nikola Tesla

Tue 1/12

1:40 pm-6:44 pm

2 stops38h 04m

$866

Quickest round-trip

OntarioBelgrade

ONT Ontario - BEG Belgrade Nikola Tesla

ONTBEG

Ontario

Sun 1/24

11:20 am-12:50 pm

2 stops16h 30m

Belgrade Nikola Tesla

Sun 2/7

6:15 am-6:44 pm

2 stops21h 29m

$868

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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, United Airlines, and Air Serbia are the most popular carriers 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 43% 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

Best Price Found	$343
Fastest flight time	16h 30m
Direct flights	None

The best one-way flight to Serbia from Ontario in the past 72 hours is $343. The best round-trip flight deal from Ontario to Serbia found on momondo in the last 72 hours is $766.

The fastest flight from Ontario to Serbia takes 16h 30m

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.

An easier way to manage your Serbia trip

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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 11/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names and deals

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Filter for what you want

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Lufthansa flights from Ontario to Serbia

Our best Lufthansa deals on Ontario to Serbia flight tickets

United Airlines flights from Ontario to Serbia

Our best United Airlines deals on Ontario to Serbia flight tickets

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Use the filters below to find and compare flights from Ontario to Serbia that are best for you.

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How to get the cheapest flight ticket from Ontario to Serbia

What is the cheapest airline that flies from Ontario to Serbia?

What airlines fly to Serbia?

Cheap Ontario to Serbia flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Ontario to Serbia

Why use momondo?

An easier way to manage your Serbia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Serbia

Popular cities in Serbia

Popular flights according to clicks in the last 7 days on momondo

Ontario flight routes

According to popular flight searches on momondo this year

Serbia flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Serbia

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Serbia

List of cabin classes available on flights landing in Serbia. Availability may vary depending on flight origin and airline.

Complete your trip to Serbia

Explore popular destinations other users love

According to popular flight searches on momondo this year