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Ontario

$655+ Cheap flights from Serbia to Ontario (ONT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
BEG — ONT
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
1 adult, Economy
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Cheap flight deals from Serbia to Ontario

Keep the following information in mind while searching for Serbia to Ontario flight deals. Data was last updated July 1, 2025.

Round-trip from

$890
(Delta)

One-way from

$655
(Air Serbia)

Popular in

July

Cheapest in

February

Average price

$1,003
From Serbia to Ontario
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One-way flight from Serbia to Ontario
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Highest demand for flights based on searches. 10% potential increase in price ($102 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Serbia to Ontario

Cheapest flights from Serbia to Ontario
Explore the most affordable flight options available from Serbia to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2025.

This Delta deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:00 amBEG - ONT
2 stops22h 42mDelta
Tue 11/187:00 amONT - BEG
2 stops19h 55mDelta
Deal found 6/29$890
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/206:10 amBEG - ONT
2 stops20h 15mUnited Airlines
Sun 8/106:10 amONT - BEG
2 stops22h 00mUnited Airlines
Deal found 7/1$935
This Air France deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/146:35 amBEG - ONT
2 stops18h 54mMultiple Airlines
Thu 8/141:15 pmONT - BEG
2 stops24h 40mMultiple Airlines
Deal found 6/30$1,048
This Air Serbia deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/187:45 amBEG - ONT
1 stop23h 25mAir Serbia
Tue 9/211:59 pmONT - BEG
1 stop19h 46mAir Serbia
Deal found 6/29$1,069

Cheapflights Fare Finder

Customize your flight search to find flights from Serbia to Ontario 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, Cheapflights users made 2,558,603 searches. Data last updated July 1, 2025.
Use the filters below to find and compare flights from Serbia to Ontario that are best for you.

Fly from

Serbia

Fly to

Ontario

Route

Depart

Return

Price

BelgradeOntario

BEG - ONT

BEGONT

Belgrade Nikola Tesla

Fri 11/14

6:00 am-7:42 pm

2 stops22h 42m

Ontario

Tue 11/18

7:00 am-11:55 am

2 stops19h 55m

$890

BelgradeOntario

BEG - ONT

BEGONT

Belgrade Nikola Tesla

Sun 7/20

6:10 am-5:25 pm

2 stops20h 15m

Ontario

Sun 8/10

6:10 am-1:10 pm

2 stops22h 00m

$935

BelgradeOntario

BEG - ONT

BEGONT

Belgrade Nikola Tesla

Mon 7/14

6:35 am-4:29 pm

2 stops18h 54m

Ontario

Thu 8/14

1:15 pm-10:55 pm

2 stops24h 40m

$1,048

BelgradeOntario

BEG - ONT

BEGONT

Belgrade Nikola Tesla

Mon 8/18

7:45 am-10:10 pm

1 stop23h 25m

Ontario

Tue 9/2

11:59 pm-4:45 am

1 stop19h 46m

$1,069

BelgradeOntario

BEG - ONT

BEGONT

Belgrade Nikola Tesla

Mon 8/18

7:45 am-10:10 pm

1 stop23h 25m

$655

BelgradeOntario

BEG - ONT

BEGONT

Belgrade Nikola Tesla

Tue 7/8

6:05 am-9:37 pm

2 stops24h 32m

$819

BelgradeOntario

BEG - ONT

BEGONT

Belgrade Nikola Tesla

Tue 7/8

1:30 pm-10:52 pm

2 stops18h 22m

$828

BelgradeOntario

BEG - ONT

BEGONT

Belgrade Nikola Tesla

Fri 8/8

10:30 am-10:48 pm

2 stops21h 18m

$942

BelgradeOntario

BEG - ONT

BEGONT

Belgrade Nikola Tesla

Mon 7/14

6:00 am-10:27 pm

2 stops25h 27m

$1,458

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

Best time to book a flight from Serbia to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Serbia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Serbia to Ontario

What is the cheapest month to book a flight from Serbia to Ontario?

Currently, August is the cheapest month in which you can book a flight from Serbia to Ontario (average of $246). Flying from Serbia to Ontario in March is currently the most expensive (average of $328). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated July 1, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and Lufthansa from Serbia to Ontario by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,973 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,973 reviews
Delta
8.0
Very good
7,973 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,852 reviews
Delta
8.0
Very good
7,973 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Lufthansa
6.8
Okay
7,203 reviews
Delta
8.0
Very good
7,973 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air Serbia
6.3
Okay
197 reviews
Delta
8.0
Very good
7,973 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Serbia to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Ontario from Serbia?

    Most people fly into Ontario (ONT) if they book a flight to Ontario from Serbia. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

  • What are the cheapest airlines to fly from Serbia to Ontario one-way?

    $655 is the cheapest one-way deal found within the past few days, from Air Serbia. You may also be able to find cheap deals on Lufthansa and United Airlines, with prices starting from $819 and $828, respectively.

  • Can I find deals for flights from Serbia to Ontario that include hotel bookings?

    Yes. In addition to deals on Serbia to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Serbia to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Serbia to Ontario.

  • Can I find deals for business class flights from Serbia to Ontario?

    Yes. Cheapflights offers flight deals from Serbia to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Serbia to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Serbia to Ontario (average of $246). Flying from Serbia to Ontario in March is currently the most expensive (average of $328). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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