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

Air Serbia, American Airlines, and KLM are the most popular carriers operating from Sofia to Ontario

What airlines fly to Ontario?

Lufthansa, Turkish Airlines and United Airlines 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 40% 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.

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.

$765 Cheap Flights from Sofia to Ontario (SOF-ONT) in 2025

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Find the cheapest flights from Sofia to Los Angeles (SOF-ONT)

Round-trip

One-way

Cheap round-trip flights

2:05 pm - 10:52 pmSOF-ONT

18h 47m2 stops

6:41 pm - 10:45 pmONT-SOF

18h 04m2 stops

$885United Airlines

Find Deal

Wed, Oct 8 - Mon, Dec 15

7:15 pm - 6:54 pmSOF-ONT

33h 39m2 stops

8:15 am - 2:30 amONT-SOF

32h 15m2 stops

$889

Find Deal

Fri, Sep 26 - Wed, Oct 1

6:10 am - 10:53 pmSOF-ONT

26h 43m2 stops

1:00 pm - 6:20 pmONT-SOF

19h 20m2 stops

$890United Airlines

Find Deal

Fri, Feb 6 - Fri, Feb 20

6:00 am - 5:43 pmSOF-ONT

21h 43m2 stops

1:00 pm - 6:20 pmONT-SOF

19h 20m2 stops

$891United Airlines

Find Deal

Tue, Feb 3 - Fri, Feb 20

7:00 am - 10:41 pmSOF-ONT

25h 41m2 stops

11:45 am - 2:05 pmONT-SOF

40h 20m2 stops

$987Air France

Find Deal

Fri, Nov 14 - Tue, Nov 18

2:35 pm - 10:51 pmSOF-ONT

42h 16m3 stops

1:33 pm - 6:20 pmONT-SOF

18h 47m2 stops

$1,283United Airlines

Find Deal

Fri, Nov 14 - Tue, Nov 18

6:10 am - 8:44 pmSOF-ONT

24h 34m2 stops

5:05 am - 6:15 pmONT-SOF

27h 10m3 stops

$1,288United Airlines

Find Deal

Fri, Nov 14 - Tue, Nov 18

6:10 am - 10:51 pmSOF-ONT

26h 41m3 stops

5:05 am - 6:15 pmONT-SOF

27h 10m3 stops

$1,352United Airlines

Find Deal

Fri, Nov 14 - Tue, Nov 18

1:30 pm - 1:54 pmSOF-ONT

34h 24m2 stops

2:51 pm - 12:30 pmONT-SOF

35h 39m2 stops

$1,790Qatar Airways

Find Deal

Thu, Sep 25 - Wed, Oct 8

12:30 pm - 6:17 pmSOF-ONT

39h 47m2 stops

11:00 am - 11:25 amONT-SOF

38h 25m2 stops

$2,306Qatar Airways

Find Deal

Fri, Dec 19 - Sat, Jan 3

United Airlines flights from Sofia to Ontario

Our best United Airlines deals on Sofia to Ontario flight tickets

United Airlines

Oct 8

SOF2:05 pmSofia

18h 47m

2 stops

ONT10:52 pmOntario

Dec 15

ONT6:41 pmOntario

18h 04m

2 stops

SOF10:45 pmSofia

$885

Find similar

United Airlines

Feb 6

SOF6:10 amSofia

26h 43m

2 stops

ONT10:53 pmOntario

Feb 20

ONT1:00 pmOntario

19h 20m

2 stops

SOF6:20 pmSofia

$890

Find similar

United Airlines

Feb 3

SOF6:00 amSofia

21h 43m

2 stops

ONT5:43 pmOntario

Feb 20

ONT1:00 pmOntario

19h 20m

2 stops

SOF6:20 pmSofia

$891

Find similar

Qatar Airways flights from Sofia to Ontario

Our best Qatar Airways deals on Sofia to Ontario flight tickets

Qatar Airways

Sep 25

SOF1:30 pmSofia

34h 24m

2 stops

ONT1:54 pmOntario

Oct 8

ONT2:51 pmOntario

35h 39m

2 stops

SOF12:30 pmSofia

$1,790

Find similar

Qatar Airways

Dec 19

SOF12:30 pmSofia

39h 47m

2 stops

ONT6:17 pmOntario

Jan 3

ONT11:00 amOntario

38h 25m

2 stops

SOF11:25 amSofia

$2,306

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SofiaOntario

SOF - ONT

SOFONT

Sofia

Wed 10/8

2:05 pm-10:52 pm

2 stops18h 47m

Ontario

Mon 12/15

6:41 pm-10:45 pm

2 stops18h 04m

$885

SofiaOntario

SOF - ONT

SOFONT

Sofia

Fri 9/26

7:15 pm-6:54 pm

2 stops33h 39m

Ontario

Wed 10/1

8:15 am-2:30 am

2 stops32h 15m

$889

SofiaOntario

SOF - ONT

SOFONT

Sofia

Fri 2/6

6:10 am-10:53 pm

2 stops26h 43m

Ontario

Fri 2/20

1:00 pm-6:20 pm

2 stops19h 20m

$890

SofiaOntario

SOF - ONT

SOFONT

Sofia

Tue 2/3

6:00 am-5:43 pm

2 stops21h 43m

Ontario

Fri 2/20

1:00 pm-6:20 pm

2 stops19h 20m

$891

SofiaOntario

SOF - ONT

SOFONT

Sofia

Fri 11/14

7:00 am-10:41 pm

2 stops25h 41m

Ontario

Tue 11/18

11:45 am-2:05 pm

2 stops40h 20m

$987

SofiaOntario

SOF - ONT

SOFONT

Sofia

Fri 11/14

2:35 pm-10:51 pm

3 stops42h 16m

Ontario

Tue 11/18

1:33 pm-6:20 pm

2 stops18h 47m

$1,283

SofiaOntario

SOF - ONT

SOFONT

Sofia

Fri 11/14

6:10 am-8:44 pm

2 stops24h 34m

Ontario

Tue 11/18

5:05 am-6:15 pm

3 stops27h 10m

$1,288

SofiaOntario

SOF - ONT

SOFONT

Sofia

Fri 11/14

6:10 am-10:51 pm

3 stops26h 41m

Ontario

Tue 11/18

5:05 am-6:15 pm

3 stops27h 10m

$1,352

SofiaOntario

SOF - ONT

SOFONT

Sofia

Thu 9/25

1:30 pm-1:54 pm

2 stops34h 24m

Ontario

Wed 10/8

2:51 pm-12:30 pm

2 stops35h 39m

$1,790

SofiaOntario

SOF - ONT

SOFONT

Sofia

Fri 12/19

12:30 pm-6:17 pm

2 stops39h 47m

Ontario

Sat 1/3

11:00 am-11:25 am

2 stops38h 25m

$2,306

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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.

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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 18h 47m.
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.