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$241+ 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BUH
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheapflights Tip: The best prices from Riverside to Bucharest are usually found in October or March, 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 September 15, 2025.

Round-trip from

$555
(KAYAK)

One-way from

$241
(Mytrip)

Popular in

December

Cheapest in

October

Average price

$709
From Riverside to Bucharest (BUH)
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One-way flight from Riverside to Bucharest (BUH)
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Highest demand for flights based on searches. 9% potential increase in price ($75 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Riverside to Bucharest

Cheapest flights from Riverside to Bucharest
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 September 15, 2025.

This Delta deal was found by Cheapflights users on 9/14. 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.
Sun 10/54:50 pmLAX - OTP
1 stop34h 10mDelta
Thu 10/167:00 amOTP - LAX
2 stops27h 04mDelta
Deal found 9/14$555
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Sun 9/215:30 pmLAX - OTP
1 stop15h 05mUnited Airlines
Tue 9/306:00 amOTP - LAX
2 stops20h 30mUnited Airlines
Deal found 9/14$556
This Mytrip deal was found by Cheapflights users on 9/13. 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 9/248:05 amLAX - OTP
2 stops19h 10mMultiple Airlines
Thu 10/26:35 amOTP - LAX
2 stops18h 40mMultiple Airlines
Deal found 9/13$557
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Thu 10/237:35 pmLAX - OTP
1 stop19h 30mSWISS
Sat 11/16:30 amOTP - LAX
1 stop20h 05mSWISS
Deal found 9/14$558
This Lufthansa deal was found by Cheapflights users on 9/14. 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.
Sun 10/55:30 pmLAX - OTP
1 stop21h 30mLufthansa
Tue 10/146:00 amOTP - LAX
2 stops19h 15mLufthansa
Deal found 9/14$559
This Delta deal was found by Cheapflights users on 9/14. 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.
Sun 9/286:15 amLAX - OTP
2 stops20h 45mDelta
Tue 10/71:45 pmOTP - LAX
2 stops20h 32mDelta
Deal found 9/14$560
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/171:00 pmLAX - OTP
2 stops18h 55mUnited Airlines
Mon 11/32:50 pmOTP - LAX
1 stop32h 15mUnited Airlines
Deal found 9/15$561
This United Airlines deal was found by Cheapflights users on 9/14. 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 11/73:00 pmLAX - OTP
1 stop22h 50mUnited Airlines
Sun 11/235:55 amOTP - LAX
1 stop17h 10mUnited Airlines
Deal found 9/14$562
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Thu 11/61:00 pmLAX - OTP
2 stops18h 40mMultiple Airlines
Sat 11/229:30 amOTP - LAX
1 stop20h 55mMultiple Airlines
Deal found 9/14$563
This KAYAK deal was found by Cheapflights users on 9/15. 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.
Sun 10/195:30 pmLAX - OTP
2 stops20h 40mAustrian Airlines
Sun 11/27:10 pmOTP - LAX
2 stops54h 05mAustrian Airlines
Deal found 9/15$564
This Mytrip deal was found by Cheapflights users on 9/14. 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.
Sun 9/217:35 pmLAX - OTP
1 stop19h 30mMultiple Airlines
Mon 11/35:55 amOTP - LAX
2 stops25h 33mMultiple Airlines
Deal found 9/14$566

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 September 15, 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

Thu 2/12

12:25 am-2:10 pm

2 stops27h 45m

Bucharest Otopeni Intl

Fri 2/27

6:40 am-3:15 pm

2 stops18h 35m

$558

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Mon 10/6

5:30 pm-6:35 pm

1 stop15h 05m

Bucharest Otopeni Intl

Tue 10/14

6:00 am-3:15 pm

2 stops19h 15m

$559

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Fri 10/17

1:00 pm-5:55 pm

2 stops18h 55m

Bucharest Otopeni Intl

Mon 11/3

2:50 pm-1:05 pm

1 stop32h 15m

$561

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Thu 11/27

3:00 pm-6:35 pm

2 stops17h 35m

Bucharest Otopeni Intl

Wed 12/10

6:05 am-2:53 pm

2 stops18h 48m

$569

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Fri 11/14

1:01 pm-6:35 pm

2 stops19h 34m

Bucharest Otopeni Intl

Fri 11/28

5:55 am-8:26 pm

2 stops24h 31m

$570

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Thu 11/27

3:00 pm-6:35 pm

2 stops17h 35m

Bucharest Otopeni Intl

Thu 12/11

5:50 am-3:15 pm

2 stops19h 25m

$577

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Thu 11/27

3:00 pm-6:35 pm

2 stops17h 35m

Bucharest Otopeni Intl

Tue 12/9

5:55 am-3:15 pm

2 stops19h 20m

$577

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Fri 11/7

7:45 am-11:50 pm

2 stops30h 05m

Bucharest Otopeni Intl

Sun 11/23

6:40 am-7:27 pm

2 stops22h 47m

$587

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Thu 10/9

5:30 pm-6:35 pm

1 stop15h 05m

Bucharest Otopeni Intl

Fri 10/17

6:00 am-4:08 pm

2 stops20h 08m

$587

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Fri 10/17

6:30 pm-12:40 pm

1 stop32h 10m

Bucharest Otopeni Intl

Fri 10/31

6:05 am-7:35 pm

1 stop22h 30m

$593

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 16 results
1
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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 September 12, 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, November is the cheapest month in which you can book a flight from Riverside to Bucharest (average of $604). Flying from Riverside to Bucharest in June is currently the most expensive (average of $1,130). 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 September 15, 2025.

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

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 Monday at noon when fares are most often at their lowest. Monday mornings 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 September 15, 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.
LOT
7.6
Good
1,114 reviews

Entertainment

7.0

Overall

7.6

Comfort

7.5

Food

7.2

Boarding

7.6

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Enver,Sep 2025

TGD - WAW

We ware in the plane for two hours before takeoff waiting and one hour after takeoff we landed
LOT
7.6
Good
1,114 reviews
LOT
7.6
Good
1,114 reviews

Entertainment

7.0

Overall

7.6

Comfort

7.5

Food

7.2

Boarding

7.6

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Enver,Sep 2025

TGD - WAW

We ware in the plane for two hours before takeoff waiting and one hour after takeoff we landed
Austrian Airlines
7.6
Good
850 reviews
LOT
7.6
Good
1,114 reviews

Entertainment

7.0

Overall

7.6

Comfort

7.5

Food

7.2

Boarding

7.6

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Enver,Sep 2025

TGD - WAW

We ware in the plane for two hours before takeoff waiting and one hour after takeoff we landed
Turkish Airlines
7.3
Good
3,968 reviews
LOT
7.6
Good
1,114 reviews

Entertainment

7.0

Overall

7.6

Comfort

7.5

Food

7.2

Boarding

7.6

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Enver,Sep 2025

TGD - WAW

We ware in the plane for two hours before takeoff waiting and one hour after takeoff we landed
Lufthansa
6.8
Okay
7,409 reviews
LOT
7.6
Good
1,114 reviews

Entertainment

7.0

Overall

7.6

Comfort

7.5

Food

7.2

Boarding

7.6

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Enver,Sep 2025

TGD - WAW

We ware in the plane for two hours before takeoff waiting and one hour after takeoff we landed
British Airways
6.7
Okay
7,361 reviews
LOT
7.6
Good
1,114 reviews

Entertainment

7.0

Overall

7.6

Comfort

7.5

Food

7.2

Boarding

7.6

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Enver,Sep 2025

TGD - WAW

We ware in the plane for two hours before takeoff waiting and one hour after takeoff we landed

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.

  • How long is the flight from Riverside to Bucharest?

    Airlines like Lufthansa and United Airlines fly from Riverside to Bucharest in about 15h 05m. The time it takes to get you to your destination can typically vary by up to 3h 50m. The distance between Riverside and Bucharest is about 6568 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Riverside to Bucharest (average of $604). Flying from Riverside to Bucharest in June is currently the most expensive (average of $1,130). 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

Traveling to a place near Bucharest?

Book flights to Bucharest if you plan to visit one of these locations
Otopeni

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See prices for flight routes from nearby airports that may be better suited for you.
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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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$442Average$722FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$481Average$646FlexibilityNo cancel feeOn-time77%
SWISSCheapest$494Average$613FlexibilityNo cancel feeOn-time79%
British AirwaysCheapest$499Average$731FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$502Average$704FlexibilityNo cancel feeOn-time71%
LOTCheapest$507Average$732FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$527Average$813FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$550Average$790FlexibilityNo cancel feeOn-time77%
KLMCheapest$552Average$854FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$571Average$676FlexibilityNo cancel feeOn-time77%

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