$271+ 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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SOF
abr. 7 — abr. 141
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 abril 2, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $654 (KLM) |
One-way from | $271 (Kiwi.com) |
Popular in | June |
Cheapest in | November |
Average price | $718 |
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 abril 2, 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 abril 2, 2025.
This KLM deal was found by Cheapflights users on 4/1. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/238:15 amLAX - SOF
2 stops19h 45mKLM
mié. 5/77:00 amSOF - LAX
2 stops19h 00mKLM
Deal found 4/1![KLM logo]()
$654
This Booking.com deal was found by Cheapflights users on 4/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/1910:29 pmLAX - SOF
2 stops35h 51mBritish Airways
mié. 10/19:30 pmSOF - LAX
2 stops35h 50mBritish Airways
Deal found 4/1![British Airways logo]()
$656
This Booking.com deal was found by Cheapflights users on 4/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/85:30 pmLAX - SOF
1 stop19h 30mLufthansa
lun. 9/226:40 pmSOF - LAX
1 stop28h 20mLufthansa
Deal found 4/1![Lufthansa logo]()
$658
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/27:45 pmLAX - SOF
1 stop31h 00mMultiple Airlines
vie. 5/166:15 amSOF - LAX
2 stops46h 50mMultiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$659
This FlightHub deal was found by Cheapflights users on 4/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/157:35 pmLAX - SOF
1 stop28h 30mSWISS
lun. 6/23:30 pmSOF - LAX
1 stop35h 00mSWISS
Deal found 4/1![SWISS logo]()
$668
This United Airlines deal was found by Cheapflights users on 4/1. 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.
sáb. 5/176:52 pmLAX - SOF
3 stops42h 08mUnited Airlines
lun. 6/212:45 pmSOF - LAX
1 stop36h 30mUnited Airlines
Deal found 4/1![United Airlines logo]()
$674
This StudentUniverse deal was found by Cheapflights users on 4/1. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/46:40 pmLAX - SOF
2 stops19h 15mAustrian Airlines
mar. 8/196:55 pmSOF - LAX
2 stops32h 00mAustrian Airlines
Deal found 4/1![Austrian Airlines logo]()
$692
This Aeromexico deal was found by Cheapflights users on 4/1. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/235:15 pmLAX - SOF
1 stop34h 45mAir France
mié. 5/77:00 amSOF - LAX
1 stop21h 10mAir France
Deal found 4/1![Air France logo]()
$694
This oojo deal was found by Cheapflights users on 4/1. 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.
lun. 9/1512:10 amLAX - SOF
1 stop34h 15mTurkish Airlines
jue. 10/99:15 pmSOF - LAX
1 stop24h 30mTurkish Airlines
Deal found 4/1![Turkish Airlines logo]()
$718
This American Airlines deal was found by Cheapflights users on 4/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/289:30 pmLAX - SOF
1 stop30h 00mAmerican Airlines
lun. 6/98:00 pmSOF - LAX
1 stop31h 35mAmerican Airlines
Deal found 4/1![American Airlines logo]()
$733
This Trip.com deal was found by Cheapflights users on 4/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/2810:05 pmLAX - SOF
1 stop29h 45mLOT
dom. 10/126:40 pmSOF - LAX
1 stop29h 55mLOT
Deal found 4/1![LOT logo]()
$787
This Expedia deal was found by Cheapflights users on 4/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 4/46:50 amLAX - VAR
2 stops22h 25mAustrian Airlines
lun. 4/74:00 pmVAR - LAX
2 stops36h 35mAustrian Airlines
Deal found 4/1![Austrian Airlines logo]()
$800
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 abril 2, 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
mié. 4/23
8:15 am-2:00 pm
2 stops19h 45m
Sofia
mié. 5/7
7:00 am-4:00 pm
2 stops19h 00m
$654
Los AngelesSofia
LAX - SOF
LAXSOF
Los Angeles
vie. 9/19
10:29 pm-8:20 pm
2 stops35h 51m
Sofia
mié. 10/1
9:30 pm-11:20 pm
2 stops35h 50m
$656
Los AngelesSofia
LAX - SOF
LAXSOF
Los Angeles
lun. 9/8
5:30 pm-11:00 pm
1 stop19h 30m
Sofia
lun. 9/22
6:40 pm-1:00 pm
1 stop28h 20m
$658
Los AngelesSofia
LAX - SOF
LAXSOF
Los Angeles
vie. 5/2
7:45 pm-12:45 pm
1 stop31h 00m
Sofia
vie. 5/16
6:15 am-7:05 pm
2 stops46h 50m
$659
Los AngelesSofia
LAX - SOF
LAXSOF
Los Angeles
jue. 5/15
7:35 pm-10:05 am
1 stop28h 30m
Sofia
lun. 6/2
3:30 pm-4:30 pm
1 stop35h 00m
$668
Los AngelesSofia
LAX - SOF
LAXSOF
Los Angeles
sáb. 5/17
6:52 pm-11:00 pm
3 stops42h 08m
Sofia
lun. 6/2
12:45 pm-3:15 pm
1 stop36h 30m
$674
Los AngelesSofia
LAX - SOF
LAXSOF
Los Angeles
lun. 8/4
6:40 pm-11:55 pm
2 stops19h 15m
Sofia
mar. 8/19
6:55 pm-4:55 pm
2 stops32h 00m
$692
Los AngelesSofia
LAX - SOF
LAXSOF
Los Angeles
mié. 4/23
5:15 pm-2:00 pm
1 stop34h 45m
Sofia
mié. 5/7
7:00 am-6:10 pm
1 stop21h 10m
$694
Los AngelesSofia
LAX - SOF
LAXSOF
Los Angeles
lun. 9/15
12:10 am-8:25 pm
1 stop34h 15m
Sofia
jue. 10/9
9:15 pm-11:45 am
1 stop24h 30m
$718
Los AngelesSofia
LAX - SOF
LAXSOF
Los Angeles
mié. 5/28
9:30 pm-1:30 pm
1 stop30h 00m
Sofia
lun. 6/9
8:00 pm-5:35 pm
1 stop31h 35m
$733
Showing 1-10 of 33 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 $1,243). 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 abril 2, 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 abril 2, 2025.
Peruse reviews from past customers who have flown with KLM, LOT and Austrian Airlines 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
7.8
Entertainment
7.2
Crew
8.4
Overall
7.8
Food
7.3
Comfort
7.7
Reviews
1 / 20
8.0
ExcellentAnonymous,Mar 2025
LBA - AMS
Boarding
7.8
Entertainment
7.2
Crew
8.4
Overall
7.8
Food
7.3
Comfort
7.7
Reviews
1 / 20
8.0
ExcellentAnonymous,Mar 2025
LBA - AMS
Boarding
7.8
Entertainment
7.2
Crew
8.4
Overall
7.8
Food
7.3
Comfort
7.7
Reviews
1 / 20
8.0
ExcellentAnonymous,Mar 2025
LBA - AMS
Boarding
7.8
Entertainment
7.2
Crew
8.4
Overall
7.8
Food
7.3
Comfort
7.7
Reviews
1 / 20
8.0
ExcellentAnonymous,Mar 2025
LBA - AMS
Boarding
7.8
Entertainment
7.2
Crew
8.4
Overall
7.8
Food
7.3
Comfort
7.7
Reviews
1 / 20
8.0
ExcellentAnonymous,Mar 2025
LBA - AMS
Boarding
7.8
Entertainment
7.2
Crew
8.4
Overall
7.8
Food
7.3
Comfort
7.7
Reviews
1 / 20
8.0
ExcellentAnonymous,Mar 2025
LBA - AMS
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
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for Riverside to Bulgaria
See prices for flight routes from nearby airports that may be better suited for you.
Top 8 airlines flying from Riverside to Bulgaria
Discover the top 8 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 abril 2, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$530 | Average$1,273 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$588 | Average$820 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$593 | Average$1,068 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$597 | Average$920 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$604 | Average$1,007 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$622 | Average$894 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$637 | Average$841 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$642 | Average$979 | FlexibilityNo cancel fee | On-time78% |