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$503+ Cheap flights from Ontario (ONT) to Serbia

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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BEG
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Ontario to Serbia

Keep the following information in mind while searching for Ontario to Serbia flight deals. Data was last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$710
(United Airlines)

One-way from

$503
(United)

Popular in

June

Cheapest in

March

Average price

$738
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From Ontario to Serbia
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One-way flight from Ontario to Serbia
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Highest demand for flights based on searches. 22% potential increase in price ($268 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Ontario to Serbia

Cheapest flights from Ontario to Serbia
Explore the most affordable flight options available from Ontario to Serbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This United Airlines deal was found by Cheapflights users on 2/20. 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.
Thu 3/136:00 amONT - BEG
2 stops22h 55mUnited Airlines
Thu 4/31:55 pmBEG - ONT
2 stops18h 00mUnited Airlines
Deal found 2/20$710
This United Airlines deal was found by Cheapflights users on 2/20. 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.
Wed 5/146:08 amONT - BEG
2 stops24h 47mMultiple Airlines
Thu 10/99:25 amBEG - ONT
2 stops22h 28mMultiple Airlines
Deal found 2/20$1,259
This Air Serbia deal was found by Cheapflights users on 2/20. 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 6/2311:45 pmONT - BEG
1 stop19h 55mAir Serbia
Wed 9/37:50 amBEG - ONT
1 stop23h 32mAir Serbia
Deal found 2/20$1,260

Find flights from Ontario to Serbia within your budget

Customize your flight search to find flights from Ontario to Serbia 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 February 20, 2025.

Fly from

Ontario

Fly to

Serbia

Route

Depart

Return

Price

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Thu 3/13

6:00 am-12:55 pm

2 stops22h 55m

Belgrade Nikola Tesla

Thu 4/3

1:55 pm-10:55 pm

2 stops18h 00m

$710

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Wed 5/14

6:08 am-3:55 pm

2 stops24h 47m

Belgrade Nikola Tesla

Thu 10/9

9:25 am-10:53 pm

2 stops22h 28m

$1,259

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Mon 6/23

11:45 pm-4:40 am

1 stop19h 55m

Belgrade Nikola Tesla

Wed 9/3

7:50 am-10:22 pm

1 stop23h 32m

$1,260

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Tue 3/11

10:38 am-4:45 pm

2 stops22h 07m

$503

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Tue 3/11

6:00 am-1:05 pm

3 stops23h 05m

$504

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Mon 5/19

10:40 pm-4:40 am

1 stop21h 00m

$611

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Tue 8/19

6:00 am-10:55 pm

2 stops31h 55m

$629

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Mon 8/18

11:45 pm-4:40 am

1 stop19h 55m

$856

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Best time to book a flight from Ontario to Serbia

Have a flexible travel schedule? Discover the best time to fly to Serbia from Ontario 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.

Travel insights for flights from Ontario to Serbia

Get recent, data-driven insights about flights from Ontario to Serbia including ideal travel times, pricing trends, and more.

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

Currently, January is the cheapest month in which you can book a flight from Ontario to Serbia (average of $688). Flying from Ontario to Serbia in June is currently the most expensive (average of $1,204). 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.

Rainfall in Serbia by month

Plan your trip to Serbia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Serbia ranges from 1.6 - 4.0 inches per month. June is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Serbia when rainfall is around 1.6 in.

Temperature in Serbia by month

Plan your trip to Serbia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Serbia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing Serbia

Get insights into the airlines that provide service to Serbia. 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 Serbia. Reviews last updated February 20, 2025.
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,220 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

JetBlue
7.4
Good
3,070 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
8,766 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Serbia
6.3
Okay
194 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Serbia. 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 from for flights from Ontario to Serbia?

    Ontario (ONT), located 3.1 mi from the city center, is the airport you fly out of when you book flights from Ontario to Serbia.

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

    $504 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Air Serbia and Delta, with prices starting from $611 and $629, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Serbia 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 Ontario to Serbia?

    Currently, January is the cheapest month in which you can book a flight from Ontario to Serbia (average of $688). Flying from Ontario to Serbia in June is currently the most expensive (average of $1,204). 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.

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