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Cheap flights from Sofia to Los Angeles from $887

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sofia to Los Angeles departing on 7/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Sofia to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
2:20 pm - 10:58 pm
SOF
-
ONT
18h 38m
2 stops
United Airlines Logo
11:20 am - 11:15 pm
ONT
-
SOF
25h 55m
2 stops
$1,040United Airlines
Mon, Sep 21 - Sun, Sep 27
Multiple Airlines Logo
9:35 am - 11:11 pm
SOF
-
ONT
23h 36m
2 stops
Multiple Airlines Logo
11:50 pm - 8:45 am
ONT
-
SOF
46h 55m
2 stops
$1,136Multiple Airlines
Tue, Jul 14 - Sun, Aug 9
Multiple Airlines Logo
9:35 am - 11:11 pm
SOF
-
ONT
23h 36m
2 stops
Multiple Airlines Logo
11:24 pm - 8:45 am
ONT
-
SOF
23h 21m
2 stops
$1,196Multiple Airlines
Mon, Jul 13 - Sat, Aug 8
Turkish Airlines Logo
3:50 pm - 8:13 pm
SOF
-
ONT
62h 23m
2 stops
Turkish Airlines Logo
9:10 pm - 8:45 am
ONT
-
SOF
25h 35m
2 stops
$1,212Turkish Airlines
Mon, Sep 21 - Mon, Sep 28
Multiple Airlines Logo
9:35 am - 11:11 pm
SOF
-
ONT
23h 36m
2 stops
Multiple Airlines Logo
2:05 pm - 8:15 pm
ONT
-
SOF
20h 10m
2 stops
$1,221Multiple Airlines
Thu, Jun 18 - Wed, Jul 15
British Airways Logo
8:10 pm - 6:57 pm
SOF
-
ONT
32h 47m
2 stops
British Airways Logo
1:31 pm - 7:20 pm
ONT
-
SOF
19h 49m
2 stops
$1,247British Airways
Mon, Sep 21 - Sun, Sep 27
Multiple Airlines Logo
10:20 am - 10:58 pm
SOF
-
ONT
22h 38m
2 stops
Multiple Airlines Logo
11:59 pm - 6:25 pm
ONT
-
SOF
33h 26m
2 stops
$1,357Multiple Airlines
Mon, Aug 17 - Mon, Oct 26
Multiple Airlines Logo
9:35 am - 11:11 pm
SOF
-
ONT
23h 36m
2 stops
Multiple Airlines Logo
11:50 pm - 3:00 pm
ONT
-
SOF
29h 10m
2 stops
$1,407Multiple Airlines
Tue, Aug 18 - Tue, Aug 25
Multiple Airlines Logo
3:50 pm - 8:47 pm
SOF
-
ONT
38h 57m
2 stops
Multiple Airlines Logo
2:05 pm - 8:15 pm
ONT
-
SOF
20h 10m
2 stops
$1,457Multiple Airlines
Thu, May 28 - Sat, Jun 13
Air Serbia Logo
4:00 pm - 8:13 pm
SOF
-
ONT
38h 13m
2 stops
Air Serbia Logo
9:10 pm - 3:30 pm
ONT
-
SOF
32h 20m
2 stops
$1,510Air Serbia
Sun, Sep 20 - Sun, Sep 27

Turkish Airlines flights from Sofia to Ontario

Our best Turkish Airlines deals on Sofia to Ontario flight tickets
Turkish Airlines
Sep 21
SOF3:50 pmSofia
62h 23m
2 stops
ONT8:13 pmOntario
Sep 28
ONT9:10 pmOntario
25h 35m
2 stops
SOF8:45 amSofia
$1,212
Turkish Airlines
Sep 20
SOF9:05 pmSofia
57h 08m
2 stops
ONT8:13 pmOntario
Sep 26
ONT9:10 pmOntario
31h 50m
2 stops
SOF3:00 pmSofia
$1,545
Turkish Airlines
Jun 4
SOF3:50 pmSofia
38h 57m
2 stops
ONT8:47 pmOntario
Jun 18
ONT11:58 pmOntario
34h 17m
2 stops
SOF8:15 pmSofia
$1,798

momondo Fare Finder

 
Customize your flight search to find flights from Sofia 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, momondo users made 832,500 searches. Data last updated May 12, 2026.
Use the filters below to find and compare flights from Sofia to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SofiaOntario

SOF - ONT

SOFONT

Sofia

Mon 9/21

2:20 pm-10:58 pm

2 stops18h 38m

Ontario

Sun 9/27

11:20 am-11:15 pm

2 stops25h 55m

$1,040

SofiaOntario

SOF - ONT

SOFONT

Sofia

Tue 7/14

9:35 am-11:11 pm

2 stops23h 36m

Ontario

Sun 8/9

11:50 pm-8:45 am

2 stops46h 55m

$1,136

SofiaOntario

SOF - ONT

SOFONT

Sofia

Mon 7/13

9:35 am-11:11 pm

2 stops23h 36m

Ontario

Sat 8/8

11:24 pm-8:45 am

2 stops23h 21m

$1,196

SofiaOntario

SOF - ONT

SOFONT

Sofia

Mon 9/21

3:50 pm-8:13 pm

2 stops62h 23m

Ontario

Mon 9/28

9:10 pm-8:45 am

2 stops25h 35m

$1,212
Quickest round-trip

SofiaOntario

SOF - ONT

SOFONT

Sofia

Thu 6/18

9:35 am-11:11 pm

2 stops23h 36m

Ontario

Wed 7/15

2:05 pm-8:15 pm

2 stops20h 10m

$1,221

SofiaOntario

SOF - ONT

SOFONT

Sofia

Mon 9/21

8:10 pm-6:57 pm

2 stops32h 47m

Ontario

Sun 9/27

1:31 pm-7:20 pm

2 stops19h 49m

$1,247

SofiaOntario

SOF - ONT

SOFONT

Sofia

Mon 8/17

10:20 am-10:58 pm

2 stops22h 38m

Ontario

Mon 10/26

11:59 pm-6:25 pm

2 stops33h 26m

$1,357

SofiaOntario

SOF - ONT

SOFONT

Sofia

Tue 8/18

9:35 am-11:11 pm

2 stops23h 36m

Ontario

Tue 8/25

11:50 pm-3:00 pm

2 stops29h 10m

$1,407

SofiaOntario

SOF - ONT

SOFONT

Sofia

Thu 5/28

3:50 pm-8:47 pm

2 stops38h 57m

Ontario

Sat 6/13

2:05 pm-8:15 pm

2 stops20h 10m

$1,457

SofiaOntario

SOF - ONT

SOFONT

Sofia

Sun 9/20

4:00 pm-8:13 pm

2 stops38h 13m

Ontario

Sun 9/27

9:10 pm-3:30 pm

2 stops32h 20m

$1,510

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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See travel insights to Los Angeles from

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

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

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

What airlines fly to Ontario?

Turkish Airlines, Lufthansa and LOT are the top three most popular airlines that fly to Ontario from Sofia according to our data. Turkish Airlines is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 5 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

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

Fastest flight time

23h 36m

Direct flights

None
The fastest flight from Sofia to Ontario takes 23h 36m
There are no direct flights from Sofia to Ontario. There are no popular flight routes from Sofia to Ontario.
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Frequently asked questions about flying from Sofia to Ontario

  • 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 23h 36m.

  • 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.

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