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Ontario

$816+ 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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — ONT
dez 12 — dez 191
sex 12/12
sex 12/19
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 novembro 12, 2025.

This United Airlines deal was found by Cheapflights users on 11/12. 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.
seg 12/156:10 amSOF - ONT
2 stops26h 39mUnited Airlines
qua 12/315:05 amONT - SOF
2 stops22h 45mUnited Airlines
Deal found 11/12$896
This United Airlines deal was found by Cheapflights users on 11/10. 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.
ter 12/306:05 amSOF - ONT
2 stops25h 02mUnited Airlines
qua 1/76:00 amONT - SOF
2 stops21h 50mUnited Airlines
Deal found 11/10$1,223
This United Airlines deal was found by Cheapflights users on 11/9. 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.
sex 11/146:10 amSOF - ONT
3 stops26h 41mUnited Airlines
ter 11/181:33 pmONT - SOF
2 stops23h 12mUnited Airlines
Deal found 11/9$1,270
This United Airlines deal was found by Cheapflights users on 11/12. 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.
seg 12/156:05 amSOF - ONT
2 stops21h 32mUnited Airlines
sáb 1/310:42 amONT - SOF
2 stops21h 38mUnited Airlines
Deal found 11/12$1,321
This CheapOair deal was found by Cheapflights users on 11/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 12/209:35 amSOF - ONT
2 stops24h 39mMultiple Airlines
ter 1/66:00 amONT - SOF
2 stops28h 50mMultiple Airlines
Deal found 11/12$1,511
This United Airlines deal was found by Cheapflights users on 11/12. 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.
qui 12/186:05 amSOF - ONT
2 stops21h 38mUnited Airlines
dom 1/410:42 amONT - SOF
2 stops21h 38mUnited Airlines
Deal found 11/12$1,560
This Priceline deal was found by Cheapflights users on 11/12. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 12/155:25 pmSOF - ONT
2 stops34h 52mBritish Airways
sáb 1/311:59 pmONT - SOF
2 stops30h 21mBritish Airways
Deal found 11/12$1,602
This United Airlines deal was found by Cheapflights users on 11/12. 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.
sáb 12/206:05 amSOF - ONT
2 stops21h 38mUnited Airlines
sáb 1/310:42 amONT - SOF
2 stops21h 38mUnited Airlines
Deal found 11/12$1,856
This United Airlines deal was found by Cheapflights users on 11/12. 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.
ter 12/166:05 amSOF - ONT
2 stops40h 12mUnited Airlines
ter 12/301:40 pmONT - SOF
2 stops38h 10mUnited Airlines
Deal found 11/12$1,907

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 novembro 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$894
(United Airlines)

One-way from

$816
(British Airways)

Popular in

January

Cheapest in

March

Average price

$836
Provider with most accurate pricing for Sofia-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sofia-Los Angeles flights.
Search Deals
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 ($31 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 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 novembro 12, 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

qui 2/5

6:00 am-5:43 pm

2 stops21h 43m

Ontario

qua 2/25

6:37 pm-10:45 pm

2 stops18h 08m

$895

SofiaOntario

SOF - ONT

SOFONT

Sofia

seg 12/15

6:10 am-10:49 pm

2 stops26h 39m

Ontario

qua 12/31

5:05 am-1:50 pm

2 stops22h 45m

$896

SofiaOntario

SOF - ONT

SOFONT

Sofia

ter 12/16

6:00 am-10:49 pm

2 stops26h 49m

Ontario

qua 12/31

6:00 am-1:50 pm

2 stops21h 50m

$896

SofiaOntario

SOF - ONT

SOFONT

Sofia

sáb 2/28

6:25 am-5:41 pm

2 stops21h 16m

Ontario

sáb 3/7

7:15 pm-10:45 pm

2 stops17h 30m

$959

SofiaOntario

SOF - ONT

SOFONT

Sofia

ter 12/30

6:05 am-9:07 pm

2 stops25h 02m

Ontario

qua 1/7

6:00 am-1:50 pm

2 stops21h 50m

$1,223

SofiaOntario

SOF - ONT

SOFONT

Sofia

seg 2/2

6:05 am-5:43 pm

2 stops21h 38m

Ontario

qui 2/5

6:39 pm-10:45 pm

2 stops18h 06m

$1,258

SofiaOntario

SOF - ONT

SOFONT

Sofia

ter 2/17

6:00 am-8:50 pm

2 stops24h 50m

Ontario

sex 2/20

6:37 pm-10:45 pm

2 stops18h 08m

$1,266

SofiaOntario

SOF - ONT

SOFONT

Sofia

seg 12/15

6:05 am-5:37 pm

2 stops21h 32m

Ontario

sáb 1/3

10:42 am-6:20 pm

2 stops21h 38m

$1,321

SofiaOntario

SOF - ONT

SOFONT

Sofia

qua 12/17

2:00 pm-10:49 pm

2 stops18h 49m

Ontario

dom 1/4

10:42 am-6:20 pm

2 stops21h 38m

$1,321

SofiaOntario

SOF - ONT

SOFONT

Sofia

sáb 12/20

9:35 am-12:14 am

2 stops24h 39m

Ontario

ter 1/6

6:00 am-8:50 pm

2 stops28h 50m

$1,511

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Showing 1-10 of 16 results
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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 $568). 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 21h 43m. Fly via United Airlines to get the fastest option. Airlines will cover a distance of 6585 mi.

  • 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 $568). 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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