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Otopeni Intl

$283+ Cheap flights from Irvine, 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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — OTP
Dec 2 — Dec 91
Tue 12/2
Tue 12/9
1 adult, Economy
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Cheapflights Tip: The best prices from Irvine to Bucharest Otopeni Intl are usually found in September or February, booked 79 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

Find flight deals from Irvine to Otopeni Intl

Cheapest flights from Irvine to Otopeni Intl
Explore the most affordable flight options available from Irvine to Otopeni Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 2, 2025.

This United Airlines deal was found by Cheapflights users on 10/31. 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 11/295:00 amLAX - OTP
2 stops23h 05mUnited Airlines
Sun 12/75:55 amOTP - LAX
1 stop17h 10mUnited Airlines
Deal found 10/31$546
This KAYAK deal was found by Cheapflights users on 10/31. 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 12/72:18 pmLAX - OTP
2 stops37h 47mLufthansa
Mon 12/227:20 pmOTP - LAX
2 stops27h 45mLufthansa
Deal found 10/31$553
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 11/265:30 pmLAX - OTP
1 stop15h 05mMultiple Airlines
Wed 12/106:55 amOTP - LAX
2 stops18h 20mMultiple Airlines
Deal found 10/31$554
This Delta deal was found by Cheapflights users on 10/31. 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 12/136:05 amOTP - LAX
2 stops26h 23mDelta
Deal found 10/31$555
This United Airlines deal was found by Cheapflights users on 10/31. 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 11/295:00 amLAX - OTP
2 stops23h 05mUnited Airlines
Sat 12/132:50 pmOTP - LAX
1 stop32h 15mUnited Airlines
Deal found 10/31$563
This FlightHub deal was found by Cheapflights users on 11/2. 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 11/76:45 pmLAX - OTP
1 stop33h 25mTurkish Airlines
Wed 11/193:30 pmOTP - LAX
1 stop29h 40mTurkish Airlines
Deal found 11/2$565
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 11/267:10 pmLAX - OTP
1 stop19h 15mSWISS
Wed 12/106:30 amOTP - LAX
1 stop20h 05mSWISS
Deal found 10/31$568
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 11/267:10 pmLAX - OTP
1 stop19h 15mMultiple Airlines
Sun 12/75:55 amOTP - LAX
1 stop17h 10mMultiple Airlines
Deal found 11/2$572

Cheap flight deals from Irvine to Otopeni Intl

Keep the following information in mind while searching for Irvine to Otopeni Intl flight deals. Data was last updated November 2, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$546
(United Airlines)

One-way from

$283
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$615
Provider with most accurate pricing for Los Angeles-Bucharest (BUH) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Bucharest (BUH) flights.
Search Deals
From Irvine to Bucharest Otopeni Intl
Search Deals
One-way flight from Irvine to Bucharest Otopeni Intl
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($16 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Irvine 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 November 2, 2025.
Use the filters below to find and compare flights from Irvine to Bucharest Otopeni Intl Airport that are best for you.

Fly from

Irvine

Fly to

Otopeni Intl

Route

Depart

Return

Price

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Thu 1/8

10:26 am-2:05 pm

2 stops17h 39m

Bucharest Otopeni Intl

Sat 2/21

5:55 am-1:05 pm

1 stop17h 10m

$551

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Sat 11/29

5:00 am-2:05 pm

2 stops23h 05m

Bucharest Otopeni Intl

Sat 12/13

2:50 pm-1:05 pm

1 stop32h 15m

$563

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Tue 11/25

5:40 pm-10:50 pm

1 stop19h 10m

Bucharest Otopeni Intl

Tue 12/9

6:00 am-11:45 am

1 stop15h 45m

$582

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Wed 11/26

5:30 pm-1:05 am

1 stop21h 35m

Bucharest Otopeni Intl

Tue 12/9

5:55 am-1:05 pm

1 stop17h 10m

$582

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Tue 11/25

5:30 pm-6:35 pm

1 stop15h 05m

Bucharest Otopeni Intl

Wed 12/10

6:05 am-1:05 pm

1 stop17h 00m

$582

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Mon 12/1

5:30 pm-6:35 pm

1 stop15h 05m

Bucharest Otopeni Intl

Tue 12/16

5:55 am-1:05 pm

1 stop17h 10m

$582

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Wed 11/26

3:25 pm-10:50 pm

1 stop21h 25m

Bucharest Otopeni Intl

Mon 12/8

1:55 pm-11:45 am

1 stop31h 50m

$584

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Mon 11/24

5:30 pm-6:35 pm

1 stop15h 05m

Bucharest Otopeni Intl

Fri 12/12

5:55 am-5:14 pm

2 stops21h 19m

$586

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Mon 11/24

5:30 pm-6:35 pm

1 stop15h 05m

Bucharest Otopeni Intl

Tue 12/9

5:55 am-10:55 pm

2 stops27h 00m

$586

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Mon 11/10

8:30 am-6:40 pm

2 stops24h 10m

Bucharest Otopeni Intl

Mon 11/24

5:55 am-10:15 pm

2 stops26h 20m

$587

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/31

Showing 1-10 of 20 results
1
2

Best time to book a flight from Irvine to Otopeni Intl

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

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

Use this chart to determine the optimal time to book a round-trip flight from Irvine to Otopeni Intl. Price data was last updated on October 31, 2025.

The price you pay for your flight from Irvine to Bucharest Otopeni Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 79 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Irvine to Bucharest Otopeni Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Irvine to Bucharest Otopeni Intl Airport (average of $441). Flying from Irvine to Bucharest Otopeni Intl Airport in June is currently the most expensive (average of $686). 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 IR9 to OTP?

Find hourly flight availability from Irvine 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 November 2, 2025.

When flying from Irvine to Bucharest Otopeni Intl Airport, 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 29% versus a flight at noon.

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

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

Travelers seeking maximum savings on their Irvine to Bucharest Otopeni Intl Airport 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.

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 November 2, 2025.
Get a feel of what it's like to fly with Austrian Airlines, Air France, and Turkish Airlines from Irvine to Bucharest Otopeni Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
862 reviews

Crew

8.1

Comfort

7.3

Overall

7.6

Food

6.8

Boarding

7.6

Entertainment

6.8

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
862 reviews
Austrian Airlines
7.6
Good
862 reviews

Crew

8.1

Comfort

7.3

Overall

7.6

Food

6.8

Boarding

7.6

Entertainment

6.8

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
1,482 reviews
Austrian Airlines
7.6
Good
862 reviews

Crew

8.1

Comfort

7.3

Overall

7.6

Food

6.8

Boarding

7.6

Entertainment

6.8

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
4,038 reviews
Austrian Airlines
7.6
Good
862 reviews

Crew

8.1

Comfort

7.3

Overall

7.6

Food

6.8

Boarding

7.6

Entertainment

6.8

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
7,544 reviews
Austrian Airlines
7.6
Good
862 reviews

Crew

8.1

Comfort

7.3

Overall

7.6

Food

6.8

Boarding

7.6

Entertainment

6.8

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
7,494 reviews
Austrian Airlines
7.6
Good
862 reviews

Crew

8.1

Comfort

7.3

Overall

7.6

Food

6.8

Boarding

7.6

Entertainment

6.8

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 Irvine 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 Irvine to Bucharest Otopeni Intl Airport?

    United Airlines and Lufthansa can get you from Irvine to Bucharest Otopeni Intl Airport in just under 17h 39m. Your travel time can differ by up to 3h 56m. The distance between Irvine and Bucharest Otopeni Intl Airport is about 6568 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Irvine to Bucharest Otopeni Intl Airport (average of $441). Flying from Irvine to Bucharest Otopeni Intl Airport in June is currently the most expensive (average of $686). 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 Irvine to Otopeni Intl

Discover the top 10 airlines that operate flights from Irvine 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 November 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$444Average$729FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$481Average$646FlexibilityNo cancel feeOn-time77%
SWISSCheapest$495Average$625FlexibilityNo cancel feeOn-time79%
British AirwaysCheapest$499Average$734FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$502Average$746FlexibilityNo cancel feeOn-time71%
LOTCheapest$507Average$726FlexibilityNo cancel feeOn-time81%
Austrian AirlinesCheapest$555Average$795FlexibilityNo cancel feeOn-time78%
DeltaCheapest$564Average$1,020FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$568Average$800FlexibilityNo cancel feeOn-time77%
Turkish AirlinesCheapest$571Average$669FlexibilityNo cancel feeOn-time77%

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