$295+ 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 7/6. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SOF
May 6 — May 131
1 adult, Economy
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Find cheap flights from Riverside to Bulgaria with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.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 May 1, 2025.
Most accurate provider | AranGrant 3 stars |
|---|---|
Most trusted provider | AranGrant 3 stars |
Round-trip from | $689 (Kiwi.com) |
One-way from | $295 (Kiwi.com) |
Popular in | June |
Cheapest in | November |
Average price | $982 |
Find flight deals from Riverside to Bulgaria
Cheapest flights from Riverside to BulgariaExplore 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 May 1, 2025.
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 May 1, 2025.
This United Airlines deal was found by Cheapflights users on 5/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/210:30 pmLAX - SOF
2 stops33h 20mUnited Airlines
Sat 8/168:00 amSOF - LAX
1 stop15h 05mUnited Airlines
Deal found 5/1![United Airlines logo]()
$689
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/63:05 pmLAX - BOJ
1 stop14h 10mAustrian Airlines
Sat 8/161:05 pmBOJ - LAX
1 stop34h 00mAustrian Airlines
Deal found 4/30![Austrian Airlines logo]()
$689
This Cheapflightsfares deal was found by Cheapflights users on 5/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/48:15 amLAX - SOF
2 stops23h 55mAustrian Airlines
Sun 8/178:00 amSOF - LAX
1 stop15h 05mAustrian Airlines
Deal found 5/1![Austrian Airlines logo]()
$691
This Lufthansa deal was found by Cheapflights users on 5/1. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/155:30 pmLAX - SOF
1 stop15h 10mLufthansa
Sat 8/306:00 amSOF - LAX
1 stop19h 15mLufthansa
Deal found 5/1![Lufthansa logo]()
$694
This SWISS deal was found by Cheapflights users on 4/30. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/297:35 pmLAX - SOF
1 stop28h 30mSWISS
Tue 8/121:15 pmSOF - LAX
1 stop37h 15mSWISS
Deal found 4/30![SWISS logo]()
$695
This FlightHub deal was found by Cheapflights users on 4/30. 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.
Wed 10/87:55 pmLAX - SOF
1 stop32h 50mTurkish Airlines
Wed 10/223:35 pmSOF - LAX
1 stop30h 10mTurkish Airlines
Deal found 4/30![Turkish Airlines logo]()
$702
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/219:25 pmLAX - SOF
2 stops25h 25mMultiple Airlines
Wed 6/410:15 amSOF - LAX
1 stop18h 50mMultiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$708
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/117:45 pmLAX - VAR
2 stops37h 50mMultiple Airlines
Tue 5/2010:15 pmVAR - LAX
1 stop25h 55mMultiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$716
This oojo deal was found by Cheapflights users on 4/30. 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.
Thu 8/73:15 pmLAX - SOF
1 stop15h 55mITA Airways
Sun 8/316:00 pmSOF - LAX
1 stop29h 15mITA Airways
Deal found 4/30![ITA Airways logo]()
$722
This United deal was found by Cheapflights users on 5/1. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/112:08 amLAX - BOJ
2 stops26h 12mMultiple Airlines
Sat 8/161:05 pmBOJ - LAX
1 stop34h 00mMultiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$723
This Turkish Airlines deal was found by Cheapflights users on 4/30. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/117:55 pmLAX - VAR
1 stop15h 25mTurkish Airlines
Tue 5/209:35 amVAR - LAX
1 stop18h 25mTurkish Airlines
Deal found 4/30![Turkish Airlines logo]()
$725
This British Airways deal was found by Cheapflights users on 4/29. 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.
Wed 10/225:05 pmLAX - SOF
1 stop34h 25mBritish Airways
Mon 10/275:25 pmSOF - LAX
1 stop30h 05mBritish Airways
Deal found 4/29![British Airways logo]()
$749
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 May 1, 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
Sat 8/2
10:30 pm-5:50 pm
2 stops33h 20m
Sofia
Sat 8/16
8:00 am-1:05 pm
1 stop15h 05m
$689
Los AngelesBurgas
LAX - BOJ
LAXBOJ
Los Angeles
Wed 8/6
3:05 pm-3:15 pm
1 stop14h 10m
Bourgas
Sat 8/16
1:05 pm-1:05 pm
1 stop34h 00m
$689
Los AngelesSofia
LAX - SOF
LAXSOF
Los Angeles
Mon 8/4
8:15 am-6:10 pm
2 stops23h 55m
Sofia
Sun 8/17
8:00 am-1:05 pm
1 stop15h 05m
$691
Los AngelesSofia
LAX - SOF
LAXSOF
Los Angeles
Fri 8/15
5:30 pm-6:40 pm
1 stop15h 10m
Sofia
Sat 8/30
6:00 am-3:15 pm
1 stop19h 15m
$694
Los AngelesSofia
LAX - SOF
LAXSOF
Los Angeles
Tue 7/29
7:35 pm-10:05 am
1 stop28h 30m
Sofia
Tue 8/12
1:15 pm-4:30 pm
1 stop37h 15m
$695
Los AngelesSofia
LAX - SOF
LAXSOF
Los Angeles
Wed 10/8
7:55 pm-2:45 pm
1 stop32h 50m
Sofia
Wed 10/22
3:35 pm-11:45 am
1 stop30h 10m
$702
Los AngelesSofia
LAX - SOF
LAXSOF
Los Angeles
Wed 5/21
9:25 pm-8:50 am
2 stops25h 25m
Sofia
Wed 6/4
10:15 am-7:05 pm
1 stop18h 50m
$708
Los AngelesVarna
LAX - VAR
LAXVAR
Los Angeles
Sun 5/11
7:45 pm-7:35 pm
2 stops37h 50m
Varna
Tue 5/20
10:15 pm-2:10 pm
1 stop25h 55m
$716
Los AngelesSofia
LAX - SOF
LAXSOF
Los Angeles
Thu 8/7
3:15 pm-5:10 pm
1 stop15h 55m
Sofia
Sun 8/31
6:00 pm-1:15 pm
1 stop29h 15m
$722
Los AngelesBurgas
LAX - BOJ
LAXBOJ
Los Angeles
Fri 8/1
12:08 am-12:20 pm
2 stops26h 12m
Bourgas
Sat 8/16
1:05 pm-1:05 pm
1 stop34h 00m
$723
Showing 1-10 of 30 results
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 $1,218). 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 May 1, 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.
Rainfall in Bulgaria by month
Plan your trip to Bulgaria by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Bulgaria ranges from 1.2 - 2.8 inches per month. June is typically the wettest month, when rainfall can reach 2.8 in. January is typically the driest time to visit Bulgaria when rainfall is around 1.2 in.
Temperature in Bulgaria by month
Plan your trip to Bulgaria by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Bulgaria, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).
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 May 1, 2025.
Peruse reviews from past customers who have flown with Austrian Airlines, SWISS and Air France from Riverside to Bulgaria to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.6
Entertainment
6.7
Crew
8.1
Overall
7.6
Food
6.7
Comfort
7.3
Reviews
1 / 20
8.0
ExcellentEly,Mar 2025
VIE - PMI
Boarding
7.6
Entertainment
6.7
Crew
8.1
Overall
7.6
Food
6.7
Comfort
7.3
Reviews
1 / 20
8.0
ExcellentEly,Mar 2025
VIE - PMI
Boarding
7.6
Entertainment
6.7
Crew
8.1
Overall
7.6
Food
6.7
Comfort
7.3
Reviews
1 / 20
8.0
ExcellentEly,Mar 2025
VIE - PMI
Boarding
7.6
Entertainment
6.7
Crew
8.1
Overall
7.6
Food
6.7
Comfort
7.3
Reviews
1 / 20
8.0
ExcellentEly,Mar 2025
VIE - PMI
Boarding
7.6
Entertainment
6.7
Crew
8.1
Overall
7.6
Food
6.7
Comfort
7.3
Reviews
1 / 20
8.0
ExcellentEly,Mar 2025
VIE - PMI
Boarding
7.6
Entertainment
6.7
Crew
8.1
Overall
7.6
Food
6.7
Comfort
7.3
Reviews
1 / 20
8.0
ExcellentEly,Mar 2025
VIE - PMI
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.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Riverside to Bulgaria
See prices for flight routes from nearby airports that may be better suited for you.
Top 9 airlines flying from Riverside to Bulgaria
Discover the top 9 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 May 1, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$530 | Average$1,294 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$579 | Average$980 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$588 | Average$820 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$593 | Average$1,056 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$597 | Average$974 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$621 | Average$932 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$637 | Average$842 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$642 | Average$949 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$865 | Average$1,173 | FlexibilityNo cancel fee | On-timeN/A |