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Cheap flights from Sofia to Los Angeles from $681

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 7/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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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.
Turkish Airlines Logo
9:35 am - 9:29 pm
SOF
-
ONT
45h 54m
2 stops
Turkish Airlines Logo
10:56 pm - 8:15 pm
ONT
-
SOF
35h 19m
2 stops
$936Turkish Airlines
Tue, Sep 22 - Tue, Sep 29
Turkish Airlines Logo
9:05 pm - 9:29 pm
SOF
-
ONT
58h 24m
2 stops
Turkish Airlines Logo
10:56 pm - 3:00 pm
ONT
-
SOF
30h 04m
2 stops
$956Turkish Airlines
Mon, Sep 21 - Tue, Sep 29
Turkish Airlines Logo
9:05 pm - 9:29 pm
SOF
-
ONT
34h 24m
2 stops
Turkish Airlines Logo
10:56 pm - 3:00 pm
ONT
-
SOF
30h 04m
2 stops
$965Turkish Airlines
Mon, Sep 21 - Mon, Sep 28
Turkish Airlines Logo
2:05 pm - 9:29 pm
SOF
-
ONT
41h 24m
2 stops
Turkish Airlines Logo
10:56 pm - 8:15 pm
ONT
-
SOF
35h 19m
2 stops
$978Turkish Airlines
Sun, Sep 20 - Tue, Sep 29
Turkish Airlines Logo
9:05 pm - 9:29 pm
SOF
-
ONT
58h 24m
2 stops
Turkish Airlines Logo
10:56 pm - 8:45 am
ONT
-
SOF
23h 49m
2 stops
$984Turkish Airlines
Sun, Sep 20 - Mon, Sep 28
Turkish Airlines Logo
3:50 pm - 8:47 pm
SOF
-
ONT
38h 57m
2 stops
Turkish Airlines Logo
11:59 pm - 8:15 pm
ONT
-
SOF
34h 16m
2 stops
$1,076Turkish Airlines
Wed, Jun 3 - Tue, Jun 23
Multiple Airlines Logo
9:35 am - 11:58 pm
SOF
-
ONT
24h 23m
2 stops
Multiple Airlines Logo
11:59 pm - 8:45 am
ONT
-
SOF
46h 46m
2 stops
$1,106Multiple Airlines
Wed, Jun 3 - Tue, Jun 23
Lufthansa Logo
6:20 am - 5:47 pm
SOF
-
ONT
21h 27m
2 stops
Lufthansa Logo
11:05 am - 6:10 pm
ONT
-
SOF
21h 05m
2 stops
$1,137Lufthansa
Sun, Apr 19 - Sun, Apr 26
Multiple Airlines Logo
9:35 am - 11:11 pm
SOF
-
ONT
23h 36m
2 stops
Multiple Airlines Logo
11:59 pm - 3:00 pm
ONT
-
SOF
29h 01m
2 stops
$1,161Multiple Airlines
Fri, Jul 17 - Mon, Aug 31
Multiple Airlines Logo
3:50 pm - 4:44 pm
SOF
-
ONT
34h 54m
2 stops
Multiple Airlines Logo
11:59 pm - 3:00 pm
ONT
-
SOF
29h 01m
2 stops
$1,219Multiple Airlines
Wed, Jul 1 - Sat, Jul 18

Turkish Airlines flights from Sofia to Ontario

Our best Turkish Airlines deals on Sofia to Ontario flight tickets
Turkish Airlines
Sep 22
SOF9:35 amSofia
45h 54m
2 stops
ONT9:29 pmOntario
Sep 29
ONT10:56 pmOntario
35h 19m
2 stops
SOF8:15 pmSofia
$936
Turkish Airlines
Sep 21
SOF9:05 pmSofia
58h 24m
2 stops
ONT9:29 pmOntario
Sep 29
ONT10:56 pmOntario
30h 04m
2 stops
SOF3:00 pmSofia
$956
Turkish Airlines
Sep 21
SOF9:05 pmSofia
34h 24m
2 stops
ONT9:29 pmOntario
Sep 28
ONT10:56 pmOntario
30h 04m
2 stops
SOF3:00 pmSofia
$965

United Airlines flights from Sofia to Ontario

Our best United Airlines deals on Sofia to Ontario flight tickets
United Airlines
Apr 8
SOF6:20 amSofia
40h 00m
2 stops
ONT12:20 pmOntario
Jul 9
ONT6:30 amOntario
18h 40m
2 stops
SOF11:10 amSofia
$1,020
United Airlines
Apr 8
SOF6:10 amSofia
24h 26m
2 stops
ONT8:36 pmOntario
Jul 9
ONT6:30 amOntario
25h 55m
3 stops
SOF6:25 pmSofia
$1,062
United Airlines
Apr 14
SOF6:10 amSofia
24h 26m
2 stops
ONT8:36 pmOntario
Apr 18
ONT6:00 amOntario
31h 15m
2 stops
SOF11:15 pmSofia
$1,417

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 March 31, 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

Tue 9/22

9:35 am-9:29 pm

2 stops45h 54m

Ontario

Tue 9/29

10:56 pm-8:15 pm

2 stops35h 19m

$936

SofiaOntario

SOF - ONT

SOFONT

Sofia

Mon 9/21

9:05 pm-9:29 pm

2 stops58h 24m

Ontario

Tue 9/29

10:56 pm-3:00 pm

2 stops30h 04m

$956

SofiaOntario

SOF - ONT

SOFONT

Sofia

Mon 9/21

9:05 pm-9:29 pm

2 stops34h 24m

Ontario

Mon 9/28

10:56 pm-3:00 pm

2 stops30h 04m

$965

SofiaOntario

SOF - ONT

SOFONT

Sofia

Sun 9/20

2:05 pm-9:29 pm

2 stops41h 24m

Ontario

Tue 9/29

10:56 pm-8:15 pm

2 stops35h 19m

$978

SofiaOntario

SOF - ONT

SOFONT

Sofia

Sun 9/20

9:05 pm-9:29 pm

2 stops58h 24m

Ontario

Mon 9/28

10:56 pm-8:45 am

2 stops23h 49m

$984

SofiaOntario

SOF - ONT

SOFONT

Sofia

Wed 6/3

3:50 pm-8:47 pm

2 stops38h 57m

Ontario

Tue 6/23

11:59 pm-8:15 pm

2 stops34h 16m

$1,076

SofiaOntario

SOF - ONT

SOFONT

Sofia

Wed 6/3

9:35 am-11:58 pm

2 stops24h 23m

Ontario

Tue 6/23

11:59 pm-8:45 am

2 stops46h 46m

$1,106
Quickest round-trip

SofiaOntario

SOF - ONT

SOFONT

Sofia

Sun 4/19

6:20 am-5:47 pm

2 stops21h 27m

Ontario

Sun 4/26

11:05 am-6:10 pm

2 stops21h 05m

$1,137

SofiaOntario

SOF - ONT

SOFONT

Sofia

Fri 7/17

9:35 am-11:11 pm

2 stops23h 36m

Ontario

Mon 8/31

11:59 pm-3:00 pm

2 stops29h 01m

$1,161

SofiaOntario

SOF - ONT

SOFONT

Sofia

Wed 7/1

3:50 pm-4:44 pm

2 stops34h 54m

Ontario

Sat 7/18

11:59 pm-3:00 pm

2 stops29h 01m

$1,219

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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?

Air Serbia, British Airways, and Turkish Airlines 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 30% 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 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.
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 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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