$265+ Cheap flights from Riverside, CA to Bucharest (BUH)
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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BUH
Nov 29 — Dec 61
1 adult, Economy
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Find cheap flights from Riverside to Bucharest 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.Cheapflights Tip: The best prices from Riverside to Bucharest are usually found in October or April, booked 71 days in advance, depart on a Sunday or Tuesday and return on a Wednesday
Cheap flight deals from Riverside to Bucharest
Keep the following information in mind while searching for Riverside to Bucharest flight deals. Data was last updated October 30, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $540 (United Airlines) |
One-way from | $265 (Kiwi.com) |
Popular in | December |
Cheapest in | October |
Average price | $580 |
Find flight deals from Riverside to Bucharest
Cheapest flights from Riverside to BucharestExplore the most affordable flight options available from Riverside to Bucharest. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.
Explore the most affordable flight options available from Riverside to Bucharest. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.
This KAYAK deal was found by Cheapflights users on 10/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/255:30 pmLAX - OTP
2 stops20h 25mLufthansa
Mon 1/127:20 pmOTP - LAX
2 stops39h 14mLufthansa
Deal found 10/28![Lufthansa logo]()
$538
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/287:15 amLAX - OTP
2 stops20h 35mDelta
Sat 1/176:00 amOTP - LAX
1 stop15h 45mDelta
Deal found 10/28![Delta logo]()
$539
This KAYAK deal was found by Cheapflights users on 10/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/15:30 pmLAX - OTP
2 stops20h 20mAustrian Airlines
Mon 12/157:10 pmOTP - LAX
2 stops27h 55mAustrian Airlines
Deal found 10/28![Austrian Airlines logo]()
$540
This FlightHub deal was found by Cheapflights users on 10/28. 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.
Sat 11/295:30 pmLAX - OTP
1 stop15h 05mLufthansa
Sat 1/175:55 amOTP - LAX
2 stops24h 49mLufthansa
Deal found 10/28![Lufthansa logo]()
$541
This Lufthansa deal was found by Cheapflights users on 10/28. 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.
Thu 11/275:30 pmLAX - OTP
1 stop21h 35mLufthansa
Wed 1/77:20 pmOTP - LAX
1 stop29h 55mLufthansa
Deal found 10/28![Lufthansa logo]()
$542
This KAYAK deal was found by Cheapflights users on 10/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/295:30 pmLAX - OTP
1 stop15h 05mLufthansa
Sat 12/136:05 amOTP - LAX
1 stop19h 10mLufthansa
Deal found 10/28![Lufthansa logo]()
$544
This KAYAK deal was found by Cheapflights users on 10/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2910:20 pmLAX - OTP
1 stop17h 25mLOT
Fri 1/166:25 pmOTP - LAX
1 stop35h 55mLOT
Deal found 10/28![LOT logo]()
$546
This KAYAK deal was found by Cheapflights users on 10/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/247:10 pmLAX - OTP
1 stop19h 20mSWISS
Wed 1/144:35 pmOTP - LAX
1 stop34h 00mSWISS
Deal found 10/28![SWISS logo]()
$549
This United Airlines deal was found by Cheapflights users on 10/28. 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 - OTP
2 stops20h 20mUnited Airlines
Tue 1/135:55 amOTP - LAX
2 stops23h 18mUnited Airlines
Deal found 10/28![United Airlines logo]()
$550
This KAYAK deal was found by Cheapflights users on 10/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/295:30 pmLAX - OTP
1 stop21h 35mLufthansa
Thu 1/86:05 amOTP - LAX
1 stop19h 10mLufthansa
Deal found 10/28![Lufthansa logo]()
$552
This Iberia deal was found by Cheapflights users on 10/28. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2910:25 amLAX - OTP
2 stops18h 40mMultiple Airlines
Sat 1/178:05 amOTP - LAX
2 stops23h 05mMultiple Airlines
Deal found 10/28![Multiple Airlines logo]()
$553
This United Airlines deal was found by Cheapflights users on 10/28. 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.
Fri 11/286:00 amLAX - OTP
2 stops26h 35mUnited Airlines
Thu 1/85:50 amOTP - LAX
2 stops26h 05mUnited Airlines
Deal found 10/28![United Airlines logo]()
$554
Cheapflights Fare Finder
Customize your flight search to find flights from Riverside to Bucharest 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 October 30, 2025.
Use the filters below to find and compare flights from Riverside to Bucharest that are best for you.
Fly from
Riverside
Fly to
Bucharest
Route
Depart
Return
Price
Los AngelesBucharest
LAX - OTP
LAXOTP
Los Angeles
Fri 11/28
5:30 pm-6:35 pm
1 stop15h 05m
Bucharest Otopeni Intl
Wed 1/7
7:20 pm-3:15 pm
1 stop29h 55m
$542
Los AngelesBucharest
LAX - OTP
LAXOTP
Los Angeles
Sun 4/26
8:45 am-6:35 pm
2 stops23h 50m
Bucharest Otopeni Intl
Sun 5/10
1:50 pm-11:45 pm
2 stops19h 55m
$550
Los AngelesBucharest
LAX - OTP
LAXOTP
Los Angeles
Sat 11/29
5:30 pm-11:50 pm
2 stops20h 20m
Bucharest Otopeni Intl
Tue 1/20
5:55 am-7:09 pm
2 stops23h 14m
$550
Los AngelesBucharest
LAX - OTP
LAXOTP
Los Angeles
Mon 3/30
7:35 am-11:55 am
2 stops18h 20m
Bucharest Otopeni Intl
Mon 4/13
6:00 am-3:15 pm
2 stops19h 15m
$551
Los AngelesBucharest
LAX - OTP
LAXOTP
Los Angeles
Sat 2/28
12:25 am-2:05 pm
2 stops27h 40m
Bucharest Otopeni Intl
Sun 3/15
5:55 am-2:05 pm
1 stop17h 10m
$553
Los AngelesBucharest
LAX - OTP
LAXOTP
Los Angeles
Tue 1/6
4:49 pm-12:30 pm
2 stops33h 41m
Bucharest Otopeni Intl
Tue 1/13
5:55 am-3:15 pm
2 stops43h 20m
$556
Los AngelesBucharest
LAX - OTP
LAXOTP
Los Angeles
Thu 11/27
8:50 am-2:05 pm
2 stops19h 15m
Bucharest Otopeni Intl
Mon 1/12
2:50 pm-5:20 pm
2 stops36h 30m
$557
Los AngelesBucharest
LAX - OTP
LAXOTP
Los Angeles
Sun 11/30
5:30 pm-6:35 pm
1 stop15h 05m
Bucharest Otopeni Intl
Thu 12/11
5:50 am-1:05 pm
1 stop17h 15m
$583
Los AngelesBucharest
LAX - OTP
LAXOTP
Los Angeles
Sun 11/30
5:30 pm-6:35 pm
1 stop15h 05m
Bucharest Otopeni Intl
Fri 12/12
6:05 am-3:15 pm
1 stop19h 10m
$585
Los AngelesBucharest
LAX - OTP
LAXOTP
Los Angeles
Sun 3/1
11:08 am-2:05 pm
2 stops16h 57m
Bucharest Otopeni Intl
Sun 3/15
5:55 am-5:35 pm
2 stops20h 40m
$588
Showing 1-10 of 20 results
Best time to book a flight from Riverside to Bucharest
Have a flexible travel schedule? Discover the best time to fly to Bucharest 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 Bucharest
How far ahead should I book a flight from Riverside to Bucharest?
Use this chart to determine the optimal time to book a round-trip flight from Riverside to Bucharest. Price data was last updated on October 24, 2025.
The best time to book flights from Riverside to Bucharest is 70 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Riverside to Bucharest?
Currently, September is the cheapest month in which you can book a flight from Riverside to Bucharest (average of $441). Flying from Riverside to Bucharest in June is currently the most expensive (average of $685). 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 BUH?
Find hourly flight availability from Riverside to Bucharest. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.
When flying from Riverside to Bucharest, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 32% versus a flight at noon.
What is the cheapest day to fly from Riverside to Bucharest?
Use this chart to determine the cheapest time to fly round-trip from Riverside to Bucharest. Price data was last updated on December 16, 2024.
Travelers seeking maximum savings on their Riverside to Bucharest flight should consider departing on Sunday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
How much does it cost to fly round-trip from Riverside to Bucharest?
Reviews of airlines servicing Bucharest
Get insights into the airlines that provide service to Bucharest. 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 Bucharest. Reviews last updated October 30, 2025.
See what other customers who have flown with LOT, Austrian Airlines, and Turkish Airlines from Riverside to Bucharest have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.5
Food
7.1
Entertainment
6.9
Boarding
7.6
Overall
7.6
Crew
8.2
Reviews
1 / 20
10.0
ExcellentRami,Sep 2025
LAX - WAW
Comfort
7.5
Food
7.1
Entertainment
6.9
Boarding
7.6
Overall
7.6
Crew
8.2
Reviews
1 / 20
10.0
ExcellentRami,Sep 2025
LAX - WAW
Comfort
7.5
Food
7.1
Entertainment
6.9
Boarding
7.6
Overall
7.6
Crew
8.2
Reviews
1 / 20
10.0
ExcellentRami,Sep 2025
LAX - WAW
Comfort
7.5
Food
7.1
Entertainment
6.9
Boarding
7.6
Overall
7.6
Crew
8.2
Reviews
1 / 20
10.0
ExcellentRami,Sep 2025
LAX - WAW
Comfort
7.5
Food
7.1
Entertainment
6.9
Boarding
7.6
Overall
7.6
Crew
8.2
Reviews
1 / 20
10.0
ExcellentRami,Sep 2025
LAX - WAW
Comfort
7.5
Food
7.1
Entertainment
6.9
Boarding
7.6
Overall
7.6
Crew
8.2
Reviews
1 / 20
10.0
ExcellentRami,Sep 2025
LAX - WAW
Related info for your journey
Find useful and relevant information for your journey from Riverside to Bucharest. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Bucharest?
Book flights to Bucharest if you plan to visit one of these locationsOtopeni
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Alternative routes for Riverside to Bucharest
See prices for flight routes from nearby airports that may be better suited for you.
Top 10 airlines flying from Riverside to Bucharest
Discover the top 10 airlines that operate flights from Riverside to Bucharest. 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 October 30, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$444 | Average$729 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$481 | Average$646 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$495 | Average$625 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$499 | Average$734 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$502 | Average$746 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$507 | Average$726 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$555 | Average$795 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$564 | Average$1,020 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$568 | Average$800 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$571 | Average$669 | FlexibilityNo cancel fee | On-time77% |