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$916+ Cheap flights from Bulgaria 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 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — ONT
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
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Find flight deals from Bulgaria to Ontario

Cheapest flights from Bulgaria to Ontario
Explore the most affordable flight options available from Bulgaria to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 16, 2025.

This United Airlines deal was found by Cheapflights users on 10/15. 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 12/186:05 amSOF - ONT
2 stops25h 02mUnited Airlines
Mon 1/121:53 pmONT - SOF
2 stops22h 52mUnited Airlines
Deal found 10/15$1,152
This United Airlines deal was found by Cheapflights users on 10/15. 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.
Fri 11/146:05 amSOF - ONT
2 stops24h 39mUnited Airlines
Tue 11/181:33 pmONT - SOF
2 stops18h 47mUnited Airlines
Deal found 10/15$1,274
This Qatar Airways deal was found by Cheapflights users on 10/14. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/412:30 pmSOF - ONT
2 stops35h 25mQatar Airways
Tue 3/1011:30 amONT - SOF
2 stops38h 55mQatar Airways
Deal found 10/14$1,732
This United Airlines deal was found by Cheapflights users on 10/15. 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 12/186:00 amSOF - ONT
2 stops38h 01mUnited Airlines
Tue 1/136:00 amONT - SOF
2 stops30h 45mUnited Airlines
Deal found 10/15$1,899
This United Airlines deal was found by Cheapflights users on 10/15. 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.
Tue 12/232:00 pmSOF - ONT
2 stops38h 10mUnited Airlines
Thu 1/86:39 pmONT - SOF
2 stops37h 41mUnited Airlines
Deal found 10/15$1,903
This Qatar Airways deal was found by Cheapflights users on 10/15. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/612:30 pmSOF - ONT
2 stops35h 32mQatar Airways
Wed 11/1911:59 amONT - SOF
2 stops37h 26mQatar Airways
Deal found 10/15$2,585

Cheap flight deals from Bulgaria to Ontario

Keep the following information in mind while searching for Bulgaria to Ontario flight deals. Data was last updated October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,062
(British Airways)

One-way from

$916
(United Airlines)

Popular in

May

Cheapest in

February

Average price

$893
Provider with most accurate pricing for Sofia-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sofia-Los Angeles flights.
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From Bulgaria to Ontario
Search Deals
One-way flight from Bulgaria to Ontario
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Bulgaria 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 October 16, 2025.
Use the filters below to find and compare flights from Bulgaria to Ontario that are best for you.

Fly from

Bulgaria

Fly to

Ontario

Route

Depart

Return

Price

SofiaOntario

SOF - ONT

SOFONT

Sofia

Fri 11/14

6:05 am-8:44 pm

2 stops24h 39m

Ontario

Tue 11/18

1:33 pm-6:20 pm

2 stops18h 47m

$1,274

SofiaOntario

SOF - ONT

SOFONT

Sofia

Mon 4/13

7:00 am-4:14 pm

2 stops19h 14m

Ontario

Sun 4/26

7:00 am-2:00 pm

2 stops21h 00m

$1,532

SofiaOntario

SOF - ONT

SOFONT

Sofia

Thu 12/4

12:30 pm-1:55 pm

2 stops35h 25m

Ontario

Tue 3/10

11:30 am-11:25 am

2 stops38h 55m

$1,732

SofiaOntario

SOF - ONT

SOFONT

Sofia

Thu 12/18

6:00 am-10:01 am

2 stops38h 01m

Ontario

Mon 1/12

1:20 pm-10:45 pm

2 stops47h 25m

$1,902

SofiaOntario

SOF - ONT

SOFONT

Sofia

Tue 12/23

2:00 pm-6:10 pm

2 stops38h 10m

Ontario

Thu 1/8

6:39 pm-6:20 pm

2 stops37h 41m

$1,903

SofiaOntario

SOF - ONT

SOFONT

Sofia

Thu 11/6

12:30 pm-2:02 pm

2 stops35h 32m

Ontario

Wed 11/19

11:59 am-11:25 am

2 stops37h 26m

$2,585

SofiaOntario

SOF - ONT

SOFONT

Sofia

Thu 12/18

6:00 am-5:43 pm

2 stops21h 43m

Ontario

Tue 1/13

5:05 am-11:50 am

3 stops20h 45m

$3,075

SofiaOntario

SOF - ONT

SOFONT

Sofia

Sun 11/2

2:00 pm-5:34 pm

2 stops37h 34m

Ontario

Sun 11/16

1:40 pm-10:45 pm

2 stops23h 05m

$3,158

SofiaOntario

SOF - ONT

SOFONT

Sofia

Fri 11/21

7:55 am-10:31 pm

2 stops24h 36m

$916

SofiaOntario

SOF - ONT

SOFONT

Sofia

Sun 11/16

2:00 pm-10:51 pm

2 stops18h 51m

$916

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/14

Best time to book a flight from Bulgaria to Ontario

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

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

Currently, July is the cheapest month in which you can book a flight from Bulgaria to Ontario (average of $565). Flying from Bulgaria to Ontario in April is currently the most expensive (average of $829). 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.

Related info for your journey

Find useful and relevant information for your journey from Bulgaria 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 Bulgaria?

    For a flight from Bulgaria to Ontario, you will be flying into Ontario. Ontario (ONT) is just 3.1 mi from the center of the city.

  • How long is the flight from Bulgaria to Ontario?

    There are many flights that can get you from Bulgaria to Ontario in 19h 14m. Fly via United Airlines or KLM to get the fastest option. Airlines will cover a distance of 6585 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

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

    Currently, July is the cheapest month in which you can book a flight from Bulgaria to Ontario (average of $565). Flying from Bulgaria to Ontario in April is currently the most expensive (average of $829). 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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