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Otopeni Intl

$225+ Cheap flights from Riverside, CA to Otopeni Intl (OTP)

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 — OTP
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Riverside to Bucharest Otopeni Intl are usually found in November or September, booked 54 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

Cheap flight deals from Riverside to Otopeni Intl

Keep the following information in mind while searching for Riverside to Otopeni Intl flight deals. Data was last updated September 11, 2025.

Round-trip from

$553
(Mytrip)

One-way from

$225
(Mytrip)

Popular in

June

Cheapest in

November

Average price

$600
From Riverside to Bucharest Otopeni Intl
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One-way flight from Riverside to Bucharest Otopeni Intl
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Highest demand for flights based on searches. 12% potential increase in price ($100 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 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 Otopeni Intl

Cheapest flights from Riverside to Otopeni Intl
Explore the most affordable flight options available from Riverside to Otopeni Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Mytrip deal was found by Cheapflights users on 9/10. 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.
Sat 10/119:55 pmLAX - OTP
2 stops34h 40mAir Canada
Sun 10/196:00 amOTP - LAX
2 stops25h 28mAir Canada
Deal found 9/10$553
This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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.
Sat 11/85:30 pmLAX - OTP
1 stop21h 35mLufthansa
Sun 11/235:55 amOTP - LAX
1 stop17h 10mLufthansa
Deal found 9/11$554
This Delta deal was found by Cheapflights users on 9/10. 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 11/147:20 amLAX - OTP
2 stops20h 30mDelta
Fri 11/286:05 amOTP - LAX
1 stop20h 00mDelta
Deal found 9/10$556
This United deal was found by Cheapflights users on 9/9. 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.
Sat 10/1111:59 pmLAX - OTP
2 stops26h 26mMultiple Airlines
Sun 10/196:00 amOTP - LAX
2 stops25h 28mMultiple Airlines
Deal found 9/9$557
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 10/25:30 pmLAX - OTP
1 stop15h 05mMultiple Airlines
Thu 10/166:35 amOTP - LAX
2 stops18h 40mMultiple Airlines
Deal found 9/11$558
This Delta deal was found by Cheapflights users on 9/11. 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.
Wed 9/2412:00 pmLAX - OTP
2 stops19h 20mDelta
Thu 10/306:05 amOTP - LAX
2 stops19h 45mDelta
Deal found 9/11$559
This Ovago deal was found by Cheapflights users on 9/9. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/252:10 pmLAX - OTP
2 stops43h 15mMultiple Airlines
Sat 11/14:40 pmOTP - LAX
1 stop33h 55mMultiple Airlines
Deal found 9/9$561
This Austrian Airlines deal was found by Cheapflights users on 9/9. 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.
Thu 11/277:45 amLAX - OTP
2 stops18h 45mAustrian Airlines
Wed 12/107:10 pmOTP - LAX
2 stops34h 17mAustrian Airlines
Deal found 9/9$562
This FlightHub deal was found by Cheapflights users on 9/9. 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.
Fri 11/288:20 amLAX - OTP
2 stops19h 50mMultiple Airlines
Sun 2/225:55 amOTP - LAX
1 stop17h 10mMultiple Airlines
Deal found 9/9$563
This FlightHub deal was found by Cheapflights users on 9/11. 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.
Thu 9/187:55 pmLAX - OTP
1 stop26h 10mTurkish Airlines
Fri 10/39:30 amOTP - LAX
1 stop22h 55mTurkish Airlines
Deal found 9/11$564

Cheapflights Fare Finder

 
Customize your flight search to find flights from Riverside to Otopeni Intl 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 11, 2025.
Use the filters below to find and compare flights from Riverside to Bucharest Otopeni Intl Airport that are best for you.

Fly from

Riverside

Fly to

Otopeni Intl

Route

Depart

Return

Price

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Fri 11/14

7:20 am-1:50 pm

2 stops20h 30m

Bucharest Otopeni Intl

Fri 11/28

6:05 am-4:05 pm

1 stop20h 00m

$556

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Sat 2/7

12:30 am-2:05 pm

2 stops27h 35m

Bucharest Otopeni Intl

Sun 2/22

7:10 pm-3:15 pm

2 stops54h 05m

$557

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Wed 9/24

12:00 pm-5:20 pm

2 stops19h 20m

Bucharest Otopeni Intl

Fri 10/31

6:05 am-8:10 pm

2 stops23h 05m

$559

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Sat 3/7

7:10 pm-12:25 am

1 stop19h 15m

Bucharest Otopeni Intl

Sun 3/22

4:40 pm-5:35 pm

1 stop33h 55m

$567

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Fri 1/9

12:30 am-12:30 pm

2 stops26h 00m

Bucharest Otopeni Intl

Sat 1/24

5:55 am-8:50 pm

2 stops24h 55m

$568

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Wed 10/1

5:30 pm-11:30 pm

2 stops20h 00m

Bucharest Otopeni Intl

Wed 10/15

6:00 am-4:08 pm

2 stops20h 08m

$568

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

$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

Sat 10/11

5:30 pm-6:35 pm

1 stop15h 05m

Bucharest Otopeni Intl

Sun 10/19

6:00 am-4:08 pm

2 stops20h 08m

$597

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 18 results
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Best time to book a flight from Riverside to Otopeni Intl

Have a flexible travel schedule? Discover the best time to fly to Otopeni Intl 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 Otopeni Intl Airport

How far ahead should I book a flight from Riverside to Bucharest Otopeni Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Riverside to Otopeni Intl. Price data was last updated on August 29, 2025.

The best time to book flights from Riverside to Bucharest Otopeni Intl Airport is 54 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 Otopeni Intl Airport?

Currently, November is the cheapest month in which you can book a flight from Riverside to Bucharest Otopeni Intl Airport (average of $604). Flying from Riverside to Bucharest Otopeni Intl Airport 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 OTP?

Find hourly flight availability from Riverside to Otopeni Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Riverside to Bucharest Otopeni Intl Airport as you normally would.

What is the cheapest day to fly from Riverside to Bucharest Otopeni Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Riverside to Otopeni Intl. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Riverside to Bucharest Otopeni Intl Airport flight should consider departing on Monday mornings 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.

Reviews of airlines servicing Otopeni Intl

Get insights into the airlines that provide service to Otopeni Intl. 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 Otopeni Intl. Reviews last updated September 11, 2025.
See what other customers who have flown with Austrian Airlines, Air France, and Turkish Airlines from Riverside to Bucharest Otopeni Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
850 reviews

Comfort

7.3

Entertainment

6.8

Overall

7.6

Food

6.8

Crew

8.1

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Andrew,Sep 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
Austrian Airlines
7.6
Good
850 reviews
Austrian Airlines
7.6
Good
850 reviews

Comfort

7.3

Entertainment

6.8

Overall

7.6

Food

6.8

Crew

8.1

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Andrew,Sep 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
Air France
7.4
Good
1,469 reviews
Austrian Airlines
7.6
Good
850 reviews

Comfort

7.3

Entertainment

6.8

Overall

7.6

Food

6.8

Crew

8.1

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Andrew,Sep 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
Turkish Airlines
7.3
Good
3,968 reviews
Austrian Airlines
7.6
Good
850 reviews

Comfort

7.3

Entertainment

6.8

Overall

7.6

Food

6.8

Crew

8.1

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Andrew,Sep 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
Lufthansa
6.8
Okay
7,409 reviews
Austrian Airlines
7.6
Good
850 reviews

Comfort

7.3

Entertainment

6.8

Overall

7.6

Food

6.8

Crew

8.1

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Andrew,Sep 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
British Airways
6.7
Okay
7,361 reviews
Austrian Airlines
7.6
Good
850 reviews

Comfort

7.3

Entertainment

6.8

Overall

7.6

Food

6.8

Crew

8.1

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Andrew,Sep 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.

Related info for your journey

Find useful and relevant information for your journey from Riverside to Otopeni Intl. 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 Otopeni Intl Airport?

    Departing from Riverside to Bucharest Otopeni Intl Airport will take you 19h 15m. Riverside and Bucharest Otopeni Intl Airport are separated by a distance of 6568 mi. This flight may include one or multiple stops.

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

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

  • How can I find direct flights from Riverside to Otopeni Intl?

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

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

    Yes. Cheapflights offers flight deals from Riverside to Otopeni Intl 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 Otopeni Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from Riverside to Bucharest Otopeni Intl Airport (average of $604). Flying from Riverside to Bucharest Otopeni Intl Airport 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 Otopeni Intl Airport?

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

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from Riverside to Otopeni Intl

Discover the top 10 airlines that operate flights from Riverside to Otopeni Intl. 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 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$442Average$723FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$481Average$646FlexibilityNo cancel feeOn-time77%
SWISSCheapest$494Average$613FlexibilityNo cancel feeOn-time79%
American AirlinesCheapest$502Average$704FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$502Average$733FlexibilityNo cancel feeOn-time70%
LOTCheapest$507Average$738FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$527Average$813FlexibilityNo cancel feeOn-time69%
KLMCheapest$538Average$851FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$550Average$793FlexibilityNo cancel feeOn-time77%
Turkish AirlinesCheapest$571Average$675FlexibilityNo cancel feeOn-time77%

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