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$871+ Cheap flights from Bulgaria to Ontario (ONT)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — ONT
Jun 28 — Jul 51
Sat 6/28
Sat 7/5
1 adult, Economy
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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 June 23, 2025.

Round-trip from

$871
(United Airlines)

Popular in

August

Cheapest in

February

Average price

$856
From Bulgaria to Ontario
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($29 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 June 2025
Search Deals

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 June 23, 2025.

This United Airlines deal was found by Cheapflights users on 6/21. 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 7/96:15 amSOF - ONT
2 stops24h 39mUnited Airlines
Wed 8/67:00 amONT - SOF
2 stops30h 00mUnited Airlines
Deal found 6/21$871
This Air France deal was found by Cheapflights users on 6/21. 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.
Fri 11/147:00 amSOF - ONT
2 stops25h 41mAir France
Tue 11/1812:00 pmONT - SOF
2 stops40h 05mAir France
Deal found 6/21$1,031
This British Airways deal was found by Cheapflights users on 6/23. 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.
Mon 6/308:00 pmSOF - ONT
2 stops32h 12mBritish Airways
Mon 7/1411:59 pmONT - SOF
2 stops34h 41mBritish Airways
Deal found 6/23$1,415
This KLM deal was found by Cheapflights users on 6/23. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/277:00 amSOF - ONT
2 stops19h 28mKLM
Thu 7/107:05 amONT - SOF
2 stops20h 55mKLM
Deal found 6/23$1,572
This Qatar Airways deal was found by Cheapflights users on 6/21. 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 7/101:15 pmSOF - ONT
2 stops34h 32mQatar Airways
Wed 7/2312:00 pmONT - SOF
2 stops38h 30mQatar Airways
Deal found 6/21$1,824
This Priceline deal was found by Cheapflights users on 6/23. 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.
Mon 6/305:00 amSOF - ONT
2 stops26h 59mAir Serbia
Mon 7/1411:59 pmONT - SOF
2 stops29h 36mAir Serbia
Deal found 6/23$2,689

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 June 23, 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

Wed 7/9

6:15 am-8:54 pm

2 stops24h 39m

Ontario

Wed 8/6

7:00 am-11:00 pm

2 stops30h 00m

$871

SofiaOntario

SOF - ONT

SOFONT

Sofia

Fri 11/14

7:00 am-10:41 pm

2 stops25h 41m

Ontario

Tue 11/18

12:00 pm-2:05 pm

2 stops40h 05m

$1,031

SofiaOntario

SOF - ONT

SOFONT

Sofia

Mon 8/11

8:00 pm-4:06 pm

2 stops30h 06m

Ontario

Wed 8/27

11:59 pm-1:30 pm

2 stops27h 31m

$1,505

SofiaOntario

SOF - ONT

SOFONT

Sofia

Thu 7/10

1:15 pm-1:47 pm

2 stops34h 32m

Ontario

Wed 7/23

12:00 pm-12:30 pm

2 stops38h 30m

$1,824

SofiaOntario

SOF - ONT

SOFONT

Sofia

Thu 7/3

8:00 am-10:06 pm

2 stops24h 06m

$895

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/22

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, August is the cheapest month in which you can book a flight from Bulgaria to Ontario (average of $246). Flying from Bulgaria 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.

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

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 June 23, 2025.
Air France
7.5
Good
1,470 reviews

Entertainment

7.0

Boarding

7.4

Overall

7.5

Crew

8.2

Comfort

7.4

Food

7.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

SGN - CDG

Staff attentive, would have liked a covering on the seats for sleeping (as Vietnam airways did - and others) ‘duvet’ cover very light- needed but heavier. Food not great, scallop did not smell right, chicken over cooked.
Air France
7.5
Good
1,470 reviews
Air France
7.5
Good
1,470 reviews

Entertainment

7.0

Boarding

7.4

Overall

7.5

Crew

8.2

Comfort

7.4

Food

7.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

SGN - CDG

Staff attentive, would have liked a covering on the seats for sleeping (as Vietnam airways did - and others) ‘duvet’ cover very light- needed but heavier. Food not great, scallop did not smell right, chicken over cooked.
Qatar Airways
7.4
Good
3,592 reviews
Air France
7.5
Good
1,470 reviews

Entertainment

7.0

Boarding

7.4

Overall

7.5

Crew

8.2

Comfort

7.4

Food

7.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

SGN - CDG

Staff attentive, would have liked a covering on the seats for sleeping (as Vietnam airways did - and others) ‘duvet’ cover very light- needed but heavier. Food not great, scallop did not smell right, chicken over cooked.
United Airlines
7.4
Good
8,831 reviews
Air France
7.5
Good
1,470 reviews

Entertainment

7.0

Boarding

7.4

Overall

7.5

Crew

8.2

Comfort

7.4

Food

7.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

SGN - CDG

Staff attentive, would have liked a covering on the seats for sleeping (as Vietnam airways did - and others) ‘duvet’ cover very light- needed but heavier. Food not great, scallop did not smell right, chicken over cooked.
British Airways
6.6
Okay
7,056 reviews
Air France
7.5
Good
1,470 reviews

Entertainment

7.0

Boarding

7.4

Overall

7.5

Crew

8.2

Comfort

7.4

Food

7.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

SGN - CDG

Staff attentive, would have liked a covering on the seats for sleeping (as Vietnam airways did - and others) ‘duvet’ cover very light- needed but heavier. Food not great, scallop did not smell right, chicken over cooked.

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.

  • 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, August is the cheapest month in which you can book a flight from Bulgaria to Ontario (average of $246). Flying from Bulgaria 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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