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Bulgaria

$262+ Cheap flights from Riverside, CA to Bulgaria

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SOF
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheap flight deals from Riverside to Bulgaria

Keep the following information in mind while searching for Riverside to Bulgaria flight deals. Data was last updated July 3, 2025.

Round-trip from

$655
(Gotogate)

One-way from

$348
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$982
From Riverside to Bulgaria
Search Deals
One-way flight from Riverside to Bulgaria
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Highest demand for flights based on searches. 22% potential increase in price ($241 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($44 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Riverside to Bulgaria

Cheapest flights from Riverside to Bulgaria
Explore the most affordable flight options available from Riverside to Bulgaria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This Gotogate deal was found by Cheapflights users on 7/3. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2510:30 pmLAX - SOF
2 stops28h 50mMultiple Airlines
Mon 9/86:15 amSOF - LAX
1 stop16h 45mMultiple Airlines
Deal found 7/3$655
This Lufthansa deal was found by Cheapflights users on 7/3. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/285:30 pmLAX - SOF
1 stop19h 15mLufthansa
Tue 12/96:05 amSOF - LAX
1 stop19h 10mLufthansa
Deal found 7/3$656
This FlightHub deal was found by Cheapflights users on 7/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/171:40 pmLAX - SOF
1 stop20h 45mTurkish Airlines
Tue 9/29:15 pmSOF - LAX
1 stop24h 30mTurkish Airlines
Deal found 7/3$658
This LOT deal was found by Cheapflights users on 7/3. 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 LOT is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/111:25 pmLAX - SOF
1 stop29h 25mLOT
Thu 11/136:35 pmSOF - LAX
1 stop29h 45mLOT
Deal found 7/3$659
This Austrian Airlines deal was found by Cheapflights users on 7/2. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/197:30 amLAX - SOF
2 stops18h 10mAustrian Airlines
Fri 10/316:45 pmSOF - LAX
2 stops35h 06mAustrian Airlines
Deal found 7/2$661
This Air Canada deal was found by Cheapflights users on 7/1. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/47:30 amLAX - SOF
2 stops17h 45mAir Canada
Thu 8/216:00 amSOF - LAX
2 stops25h 28mAir Canada
Deal found 7/1$666
This United Airlines deal was found by Cheapflights users on 7/3. 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.
Sat 11/295:30 pmLAX - SOF
1 stop14h 50mUnited Airlines
Fri 12/51:55 pmSOF - LAX
1 stop35h 20mUnited Airlines
Deal found 7/3$676
This British Airways deal was found by Cheapflights users on 7/2. 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.
Sat 8/238:05 pmLAX - SOF
1 stop37h 05mBritish Airways
Sat 11/112:05 pmSOF - LAX
1 stop35h 25mBritish Airways
Deal found 7/2$701
This Austrian Airlines deal was found by Cheapflights users on 7/1. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/155:30 pmLAX - VAR
2 stops33h 15mAustrian Airlines
Fri 8/221:35 pmVAR - LAX
2 stops35h 40mAustrian Airlines
Deal found 7/1$724
This oojo deal was found by Cheapflights users on 7/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/251:40 pmLAX - VAR
1 stop27h 05mTurkish Airlines
Thu 8/73:35 amVAR - LAX
1 stop24h 25mTurkish Airlines
Deal found 7/1$1,091
This Gurufare deal was found by Cheapflights users on 7/1. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/255:30 pmLAX - VAR
2 stops33h 15mLufthansa
Fri 8/81:35 pmVAR - LAX
2 stops33h 25mLufthansa
Deal found 7/1$1,104
This Mytrip deal was found by Cheapflights users on 7/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/164:30 pmLAX - VAR
1 stop17h 55mMultiple Airlines
Wed 7/2310:35 pmVAR - LAX
3 stops47h 10mMultiple Airlines
Deal found 7/2$1,153

Cheapflights Fare Finder

Customize your flight search to find flights from Riverside to Bulgaria 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 July 3, 2025.
Use the filters below to find and compare flights from Riverside to Bulgaria that are best for you.

Fly from

Riverside

Fly to

Bulgaria

Route

Depart

Return

Price

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

Mon 8/25

10:30 pm-1:20 pm

2 stops28h 50m

Sofia

Mon 9/8

6:15 am-1:00 pm

1 stop16h 45m

$655

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

Fri 11/28

5:30 pm-10:45 pm

1 stop19h 15m

Sofia

Tue 12/9

6:05 am-3:15 pm

1 stop19h 10m

$656

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

Sun 8/17

1:40 pm-8:25 pm

1 stop20h 45m

Sofia

Tue 9/2

9:15 pm-11:45 am

1 stop24h 30m

$658

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

Sat 11/1

11:25 pm-1:50 pm

1 stop29h 25m

Sofia

Thu 11/13

6:35 pm-2:20 pm

1 stop29h 45m

$659

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

Tue 8/19

7:30 am-11:40 am

2 stops18h 10m

Sofia

Fri 10/31

6:45 pm-8:51 pm

2 stops35h 06m

$661

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

Mon 8/4

7:30 am-11:15 am

2 stops17h 45m

Sofia

Thu 8/21

6:00 am-9:28 pm

2 stops25h 28m

$666

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

Sat 11/29

5:30 pm-6:20 pm

1 stop14h 50m

Sofia

Fri 12/5

1:55 pm-3:15 pm

1 stop35h 20m

$676

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

Sat 8/23

8:05 pm-7:10 pm

1 stop37h 05m

Sofia

Sat 11/1

12:05 pm-2:30 pm

1 stop35h 25m

$701

Los AngelesVarna

LAX - VAR

LAXVAR

Los Angeles

Fri 8/15

5:30 pm-12:45 pm

2 stops33h 15m

Varna

Fri 8/22

1:35 pm-3:15 pm

2 stops35h 40m

$724

Los AngelesVarna

LAX - VAR

LAXVAR

Los Angeles

Fri 7/25

1:40 pm-2:45 am

1 stop27h 05m

Varna

Thu 8/7

3:35 am-6:00 pm

1 stop24h 25m

$1,091

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 22 results
1
2
3

Best time to book a flight from Riverside to Bulgaria

Have a flexible travel schedule? Discover the best time to fly to Bulgaria from Riverside 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 Riverside to Bulgaria

What is the cheapest month to book a flight from Riverside to Bulgaria?

Currently, November is the cheapest month in which you can book a flight from Riverside to Bulgaria (average of $632). Flying from Riverside to Bulgaria in June is currently the most expensive (average of $1,189). 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.

What is the cheapest time of day to fly from R1V to BG?

Find hourly flight availability from Riverside to Bulgaria. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

When flying from Riverside to Bulgaria, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Bulgaria

Get insights into the airlines that provide service to Bulgaria. 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 Bulgaria. Reviews last updated July 3, 2025.
Peruse reviews from past customers who have flown with LOT, Austrian Airlines, and SWISS from Riverside to Bulgaria to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
LOT
7.6
Good
1,093 reviews

Entertainment

7.0

Overall

7.6

Comfort

7.5

Crew

8.2

Boarding

7.6

Food

7.2

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.
LOT
7.6
Good
1,093 reviews
LOT
7.6
Good
1,093 reviews

Entertainment

7.0

Overall

7.6

Comfort

7.5

Crew

8.2

Boarding

7.6

Food

7.2

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.
Austrian Airlines
7.6
Good
809 reviews
LOT
7.6
Good
1,093 reviews

Entertainment

7.0

Overall

7.6

Comfort

7.5

Crew

8.2

Boarding

7.6

Food

7.2

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.
SWISS
7.5
Good
1,654 reviews
LOT
7.6
Good
1,093 reviews

Entertainment

7.0

Overall

7.6

Comfort

7.5

Crew

8.2

Boarding

7.6

Food

7.2

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.
United Airlines
7.4
Good
8,845 reviews
LOT
7.6
Good
1,093 reviews

Entertainment

7.0

Overall

7.6

Comfort

7.5

Crew

8.2

Boarding

7.6

Food

7.2

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.
Turkish Airlines
7.3
Good
3,895 reviews
LOT
7.6
Good
1,093 reviews

Entertainment

7.0

Overall

7.6

Comfort

7.5

Crew

8.2

Boarding

7.6

Food

7.2

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.

Related info for your journey

Find useful and relevant information for your journey from Riverside to Bulgaria. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Riverside to Bulgaria one-way?

    To fly one-way, consider booking your trip with ITA Airways, which is currently one of the cheapest options available, starting at $444. American Airlines flights start at $464 while deals on British Airways start at $470 one-way.

  • What are the most popular routes from Riverside to Bulgaria?

    When deciding which route to take from Riverside to Bulgaria consider Los Angeles - Sofia, Los Angeles - Varna or Los Angeles - Bourgas as they are the most popular.

  • Can I find deals for flights from Riverside to Bulgaria that include hotel bookings?

    Yes. In addition to deals on Riverside to Bulgaria flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Riverside to Bulgaria?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Riverside to Bulgaria.

  • Can I find deals for business class flights from Riverside to Bulgaria?

    Yes. Cheapflights offers flight deals from Riverside to Bulgaria 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 Riverside to Bulgaria?

    Currently, November is the cheapest month in which you can book a flight from Riverside to Bulgaria (average of $632). Flying from Riverside to Bulgaria in June is currently the most expensive (average of $1,189). 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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Top 10 airlines flying from Riverside to Bulgaria

Discover the top 10 airlines that operate flights from Riverside to Bulgaria. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
ITA AirwaysCheapest$530Average$1,288FlexibilityNo cancel feeOn-time81%
LOTCheapest$571Average$1,024FlexibilityNo cancel feeOn-time81%
British AirwaysCheapest$579Average$924FlexibilityNo cancel feeOn-time70%
KLMCheapest$588Average$817FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$597Average$976FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$625Average$852FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$643Average$1,024FlexibilityNo cancel feeOn-time69%
Austrian AirlinesCheapest$670Average$842FlexibilityNo cancel feeOn-time78%
Aer LingusCheapest$796Average$1,250FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$1,016Average$1,165FlexibilityNo cancel feeOn-time79%

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