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Ontario

$751+ 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 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — ONT
fev 27 — mar 61
sex 2/27
sex 3/6
1 adult, Economy
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Cheap 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 janeiro 28, 2026.

This British Airways deal was found by Cheapflights users on 1/25. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 3/308:10 pm
SOF
-
ONT
2 stops33h 35m
British Airways
sáb 4/252:08 pm
ONT
-
SOF
2 stops20h 02m
British Airways
Deal found 1/25$841
This British Airways deal was found by Cheapflights users on 1/27. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 3/152:30 pm
SOF
-
ONT
2 stops61h 12m
British Airways
ter 4/1411:59 pm
ONT
-
SOF
2 stops51h 26m
British Airways
Deal found 1/27$843
This British Airways deal was found by Cheapflights users on 1/26. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 3/12:30 pm
SOF
-
ONT
2 stops42h 19m
British Airways
ter 3/3110:56 am
ONT
-
SOF
2 stops23h 34m
British Airways
Deal found 1/26$870
This British Airways deal was found by Cheapflights users on 1/27. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 3/152:30 pm
SOF
-
ONT
2 stops61h 12m
British Airways
qua 4/1511:59 pm
ONT
-
SOF
2 stops27h 26m
British Airways
Deal found 1/27$908
This United Airlines deal was found by Cheapflights users on 1/26. 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 2/176:00 am
SOF
-
ONT
2 stops21h 41m
United Airlines
ter 3/171:50 pm
ONT
-
SOF
2 stops19h 30m
United Airlines
Deal found 1/26$940
This United Airlines deal was found by Cheapflights users on 1/25. 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 3/316:10 am
SOF
-
ONT
2 stops26h 16m
United Airlines
sáb 5/27:00 am
ONT
-
SOF
2 stops18h 00m
United Airlines
Deal found 1/25$941
This United Airlines deal was found by Cheapflights users on 1/27. 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 4/146:10 am
SOF
-
ONT
2 stops24h 26m
United Airlines
qua 5/131:30 pm
ONT
-
SOF
2 stops23h 40m
United Airlines
Deal found 1/27$942
This United Airlines deal was found by Cheapflights users on 1/27. 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 3/126:00 am
SOF
-
ONT
2 stops25h 18m
United Airlines
qua 4/157:00 am
ONT
-
SOF
2 stops20h 25m
United Airlines
Deal found 1/27$943
This United Airlines deal was found by Cheapflights users on 1/27. 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 3/142:00 pm
SOF
-
ONT
2 stops31h 18m
United Airlines
sex 4/1711:05 am
ONT
-
SOF
2 stops26h 05m
United Airlines
Deal found 1/27$955
This United Airlines deal was found by Cheapflights users on 1/27. 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 4/1312:55 pm
SOF
-
ONT
2 stops19h 31m
United Airlines
seg 5/186:59 pm
ONT
-
SOF
2 stops41h 51m
United Airlines
Deal found 1/27$956
This United Airlines deal was found by Cheapflights users on 1/27. 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.
dom 4/1212:55 pm
SOF
-
ONT
2 stops41h 41m
United Airlines
sáb 5/166:59 pm
ONT
-
SOF
2 stops42h 11m
United Airlines
Deal found 1/27$965
This United Airlines deal was found by Cheapflights users on 1/27. 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.
dom 4/1212:55 pm
SOF
-
ONT
2 stops41h 41m
United Airlines
qui 5/1410:37 am
ONT
-
SOF
2 stops21h 48m
United Airlines
Deal found 1/27$966

Find flight deals from Bulgaria to Ontario

Keep the following information in mind while searching for Bulgaria to Ontario flight deals. Data was last updated janeiro 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$841
(British Airways)

One-way from

$751
(British Airways)

Popular in

May

Cheapest in

October

Average price

$939
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. 2% potential increase in price ($21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 janeiro 28, 2026.
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

seg 3/30

8:10 pm-7:45 pm

2 stops33h 35m

Ontario

dom 4/26

10:59 am-7:20 pm

2 stops22h 21m

$841

SofiaOntario

SOF - ONT

SOFONT

Sofia

seg 3/30

8:10 pm-7:45 pm

2 stops33h 35m

Ontario

sáb 4/25

2:08 pm-8:10 pm

2 stops20h 02m

$841

SofiaOntario

SOF - ONT

SOFONT

Sofia

dom 3/15

2:30 pm-10:06 am

2 stops52h 36m

Ontario

sex 4/17

2:08 pm-8:10 pm

2 stops44h 02m

$843

SofiaOntario

SOF - ONT

SOFONT

Sofia

qua 3/18

9:00 pm-11:59 pm

2 stops35h 59m

Ontario

sáb 4/18

12:19 pm-7:20 pm

2 stops45h 01m

$843

SofiaOntario

SOF - ONT

SOFONT

Sofia

dom 3/15

2:30 pm-11:59 pm

2 stops42h 29m

Ontario

sáb 4/18

10:59 am-8:10 pm

2 stops23h 11m

$843

SofiaOntario

SOF - ONT

SOFONT

Sofia

qua 3/18

9:00 pm-11:59 pm

2 stops35h 59m

Ontario

seg 4/13

11:59 pm-8:30 pm

2 stops34h 31m

$843

SofiaOntario

SOF - ONT

SOFONT

Sofia

seg 3/2

5:25 pm-10:06 am

2 stops50h 41m

Ontario

ter 3/31

7:00 am-8:30 pm

2 stops27h 30m

$870

SofiaOntario

SOF - ONT

SOFONT

Sofia

dom 3/1

2:30 pm-10:49 pm

2 stops42h 19m

Ontario

ter 3/31

10:56 am-8:30 pm

2 stops23h 34m

$870

SofiaOntario

SOF - ONT

SOFONT

Sofia

qua 3/18

9:00 pm-11:59 pm

2 stops35h 59m

Ontario

qua 4/15

2:08 pm-1:25 pm

2 stops37h 17m

$908

SofiaOntario

SOF - ONT

SOFONT

Sofia

dom 3/1

2:25 pm-10:57 pm

2 stops18h 32m

Ontario

dom 3/15

6:15 am-10:45 pm

2 stops31h 30m

$940

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 21 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 $566). Flying from Bulgaria to Ontario in August is currently the most expensive (average of $822). 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 33h 35m. Fly via British Airways 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 $566). Flying from Bulgaria to Ontario in August is currently the most expensive (average of $822). 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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Alternative routes for Bulgaria to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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