What airlines fly to Ontario?

Lufthansa, Turkish Airlines and LOT are the top three most popular airlines that fly to Ontario from Sofia according to our data. Lufthansa is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 6 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Sofia to Ontario?

United Airlines is the most popular carrier operating from Sofia to Ontario

When did momondo last update prices for flights from Sofia Airport to Ontario Airport?

Prices for flights from Sofia Airport to Ontario Airport are refreshed on a daily basis.

How old do you have to be to fly from Sofia Airport to Ontario Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sofia Airport to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$629 Cheap Flights from Sofia to Ontario in 2025/26

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Sofia to Los Angeles

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:10 am - 10:31 pmSOF-ONT

26h 21m2 stops

7:00 am - 1:50 pmONT-SOF

20h 50m2 stops

$904United Airlines

Find Deal

Sun, Nov 9 - Thu, Nov 27

6:10 am - 10:51 pmSOF-ONT

26h 41m2 stops

1:33 pm - 6:20 pmONT-SOF

18h 47m2 stops

$1,283United Airlines

Find Deal

Fri, Nov 14 - Tue, Nov 18

2:35 pm - 10:51 pmSOF-ONT

42h 16m3 stops

5:05 am - 10:45 pmONT-SOF

31h 40m2 stops

$1,302United Airlines

Find Deal

Fri, Nov 14 - Tue, Nov 18

6:10 am - 9:49 pmSOF-ONT

25h 39m2 stops

7:00 am - 1:45 pmONT-SOF

20h 45m2 stops

$1,306United Airlines

Find Deal

Fri, Nov 14 - Tue, Nov 18

12:05 pm - 10:28 pmSOF-ONT

20h 23m2 stops

11:59 pm - 1:00 pmONT-SOF

27h 01m2 stops

$1,928British Airways

Find Deal

Sat, Dec 13 - Fri, Dec 26

12:30 pm - 1:59 pmSOF-ONT

35h 29m2 stops

7:19 pm - 11:25 amONT-SOF

54h 06m2 stops

$2,025Qatar Airways

Find Deal

Sat, Dec 13 - Fri, Dec 26

12:05 pm - 10:14 pmSOF-ONT

20h 09m2 stops

11:59 pm - 7:20 pmONT-SOF

34h 21m2 stops

$2,036British Airways

Find Deal

Sat, Dec 27 - Fri, Mar 27

12:05 pm - 10:14 pmSOF-ONT

20h 09m2 stops

11:59 pm - 7:20 pmONT-SOF

34h 21m2 stops

$2,068British Airways

Find Deal

Sat, Dec 27 - Fri, Mar 27

12:30 pm - 1:59 pmSOF-ONT

35h 29m2 stops

7:19 pm - 11:25 amONT-SOF

54h 06m2 stops

$2,075Qatar Airways

Find Deal

Sat, Dec 13 - Fri, Dec 26

12:30 pm - 1:59 pmSOF-ONT

35h 29m2 stops

7:19 pm - 11:25 amONT-SOF

54h 06m2 stops

$2,127Qatar Airways

Find Deal

Sat, Dec 13 - Fri, Dec 26

Qatar Airways flights from Sofia to Ontario

Our best Qatar Airways deals on Sofia to Ontario flight tickets

Qatar Airways

Dec 13

SOF12:30 pmSofia

35h 29m

2 stops

ONT1:59 pmOntario

Dec 26

ONT7:19 pmOntario

54h 06m

2 stops

SOF11:25 amSofia

$2,025

Find similar

Qatar Airways

Dec 13

SOF12:30 pmSofia

35h 29m

2 stops

ONT1:59 pmOntario

Dec 26

ONT7:19 pmOntario

54h 06m

2 stops

SOF11:25 amSofia

$2,075

Find similar

Qatar Airways

Dec 13

SOF12:30 pmSofia

35h 29m

2 stops

ONT1:59 pmOntario

Dec 26

ONT7:19 pmOntario

54h 06m

2 stops

SOF11:25 amSofia

$2,127

Find similar

United Airlines flights from Sofia to Ontario

Our best United Airlines deals on Sofia to Ontario flight tickets

United Airlines

Nov 9

SOF6:10 amSofia

26h 21m

2 stops

ONT10:31 pmOntario

Nov 27

ONT7:00 amOntario

20h 50m

2 stops

SOF1:50 pmSofia

$904

Find similar

United Airlines

Nov 14

SOF6:10 amSofia

26h 41m

2 stops

ONT10:51 pmOntario

Nov 18

ONT1:33 pmOntario

18h 47m

2 stops

SOF6:20 pmSofia

$1,283

Find similar

United Airlines

Nov 14

SOF2:35 pmSofia

42h 16m

3 stops

ONT10:51 pmOntario

Nov 18

ONT5:05 amOntario

31h 40m

2 stops

SOF10:45 pmSofia

$1,302

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SofiaOntario

SOF - ONT

SOFONT

Sofia

Sun 11/9

6:10 am-10:31 pm

2 stops26h 21m

Ontario

Thu 11/27

7:00 am-1:50 pm

2 stops20h 50m

$904

SofiaOntario

SOF - ONT

SOFONT

Sofia

Fri 11/14

6:10 am-10:51 pm

2 stops26h 41m

Ontario

Tue 11/18

1:33 pm-6:20 pm

2 stops18h 47m

$1,283

SofiaOntario

SOF - ONT

SOFONT

Sofia

Fri 11/14

2:35 pm-10:51 pm

3 stops42h 16m

Ontario

Tue 11/18

5:05 am-10:45 pm

2 stops31h 40m

$1,302

SofiaOntario

SOF - ONT

SOFONT

Sofia

Fri 11/14

6:10 am-9:49 pm

2 stops25h 39m

Ontario

Tue 11/18

7:00 am-1:45 pm

2 stops20h 45m

$1,306

SofiaOntario

SOF - ONT

SOFONT

Sofia

Sat 12/13

12:05 pm-10:28 pm

2 stops20h 23m

Ontario

Fri 12/26

11:59 pm-1:00 pm

2 stops27h 01m

$1,928

SofiaOntario

SOF - ONT

SOFONT

Sofia

Sat 12/13

12:30 pm-1:59 pm

2 stops35h 29m

Ontario

Fri 12/26

7:19 pm-11:25 am

2 stops54h 06m

$2,025

SofiaOntario

SOF - ONT

SOFONT

Sofia

Sat 12/27

12:05 pm-10:14 pm

2 stops20h 09m

Ontario

Fri 3/27

11:59 pm-7:20 pm

2 stops34h 21m

$2,036

SofiaOntario

SOF - ONT

SOFONT

Sofia

Sat 12/27

12:05 pm-10:14 pm

2 stops20h 09m

Ontario

Fri 3/27

11:59 pm-7:20 pm

2 stops34h 21m

$2,068

SofiaOntario

SOF - ONT

SOFONT

Sofia

Sat 12/13

12:30 pm-1:59 pm

2 stops35h 29m

Ontario

Fri 12/26

7:19 pm-11:25 am

2 stops54h 06m

$2,075

SofiaOntario

SOF - ONT

SOFONT

Sofia

Sat 12/13

12:30 pm-1:59 pm

2 stops35h 29m

Ontario

Fri 12/26

7:19 pm-11:25 am

2 stops54h 06m

$2,127

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first

How to get the cheapest flight ticket from Sofia to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Friday when prices can be found for as low as $977. This is often the case because there is less demand to fly during this day of the week. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Sofia to Ontario for around $992.

What is the cheapest time of day to depart on your flight to Ontario?

In the morning is the cheapest time of day to fly from Sofia to Ontario when you can find flight prices for as low as $977. Flying to Ontario in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $992 on average. Flights to Ontario from Sofia in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Sofia to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Sofia to Ontario according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Sofia to Ontario (SOF to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sofia to Ontario

Direct flights	None

There are no direct flights from Sofia to Ontario. There are no popular flight routes from Sofia to Ontario.

Search flight deals

How far is Sofia to Ontario by plane?
Ontario is 6583.2 mi away from Sofia. In terms of flight time, this usually takes a little over 20h 09m.
When did momondo last update prices for flights from Sofia Airport to Ontario Airport?
Prices for flights from Sofia Airport to Ontario Airport are refreshed on a daily basis.
How old do you have to be to fly from Sofia Airport to Ontario Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sofia Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Sofia to Ontario?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ontario from Sofia.

Can I find flights from Sofia to Ontario with flexible booking policies on momondo?

Yes. All flights to Ontario from Sofia on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Sofia to Ontario?

momondo provides multiple filters to help you find the best flight to Ontario from Sofia. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Sofia to Ontario right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Sofia to Ontario flights. All you need is a valid email address and we will do the rest; it is that quick and easy.