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Otopeni Intl

$259+ 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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — OTP
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Irvine to Bucharest Otopeni Intl are usually found in September or April, booked 79 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

Cheap 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 December 18, 2025.

This Justfly.com deal was found by Cheapflights users on 12/17. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/285:30 pmLAX - OTP
1 stop15h 05mMultiple Airlines
Thu 1/156:30 amOTP - LAX
1 stop20h 05mMultiple Airlines
Deal found 12/17$615
This Gurufare deal was found by Cheapflights users on 12/18. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:30 pmLAX - OTP
1 stop21h 35mLufthansa
Fri 6/126:05 amOTP - LAX
1 stop17h 05mLufthansa
Deal found 12/18$626
This Gurufare deal was found by Cheapflights users on 12/18. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:00 amLAX - OTP
2 stops32h 55mMultiple Airlines
Fri 6/126:20 amOTP - LAX
1 stop20h 10mMultiple Airlines
Deal found 12/18$675
This United Airlines deal was found by Cheapflights users on 12/18. 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.
Mon 12/295:30 pmLAX - OTP
1 stop15h 05mUnited Airlines
Fri 6/126:05 amOTP - LAX
1 stop17h 05mUnited Airlines
Deal found 12/18$686
This Orbitz deal was found by Cheapflights users on 12/18. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:30 pmLAX - OTP
1 stop21h 35mLufthansa
Sat 6/136:05 amOTP - LAX
2 stops24h 43mLufthansa
Deal found 12/18$687
This KAYAK deal was found by Cheapflights users on 12/18. 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 12/287:10 pmLAX - OTP
1 stop34h 40mSWISS
Thu 6/114:10 pmOTP - LAX
1 stop34h 20mSWISS
Deal found 12/18$690
This KAYAK deal was found by Cheapflights users on 12/18. 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.
Wed 12/317:10 pmLAX - OTP
1 stop19h 15mSWISS
Fri 6/124:10 pmOTP - LAX
1 stop34h 20mSWISS
Deal found 12/18$691
This KAYAK deal was found by Cheapflights users on 12/18. 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.
Wed 12/317:00 pmLAX - OTP
2 stops19h 25mSWISS
Thu 6/116:20 amOTP - LAX
1 stop20h 10mSWISS
Deal found 12/18$697
This SWISS deal was found by Cheapflights users on 12/18. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:00 pmLAX - OTP
2 stops43h 25mSWISS
Fri 6/126:20 amOTP - LAX
1 stop20h 10mSWISS
Deal found 12/18$698

Find 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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$522
(SWISS)

One-way from

$259
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$880
Provider with most accurate pricing for Los Angeles-Bucharest (BUH) flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Bucharest (BUH) flights.
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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. 6% potential increase in price ($49 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 December 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 December 18, 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

Sat 5/2

11:53 pm-1:05 pm

2 stops27h 12m

Bucharest Otopeni Intl

Mon 11/2

7:10 pm-7:54 pm

2 stops34h 44m

$530

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Thu 5/7

6:00 pm-12:10 pm

1 stop32h 10m

Bucharest Otopeni Intl

Fri 11/6

6:00 am-11:45 am

1 stop15h 45m

$537

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Tue 4/7

5:30 pm-6:35 pm

1 stop15h 05m

Bucharest Otopeni Intl

Sat 5/9

6:05 am-1:05 pm

1 stop17h 00m

$537

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Mon 4/6

9:00 pm-12:10 pm

1 stop29h 10m

Bucharest Otopeni Intl

Sat 5/9

7:00 am-11:50 am

1 stop14h 50m

$537

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Tue 4/7

5:30 pm-6:35 pm

1 stop15h 05m

Bucharest Otopeni Intl

Sun 5/10

6:05 am-1:05 pm

1 stop17h 00m

$537

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Tue 5/5

6:30 pm-12:10 pm

1 stop31h 40m

Bucharest Otopeni Intl

Sun 11/1

6:00 am-12:45 pm

1 stop15h 45m

$537

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Mon 5/4

6:30 pm-12:10 pm

1 stop31h 40m

Bucharest Otopeni Intl

Sat 11/7

6:00 am-11:45 am

1 stop15h 45m

$537

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Wed 4/8

5:30 pm-1:00 am

1 stop21h 30m

Bucharest Otopeni Intl

Sun 5/10

6:05 am-1:05 pm

1 stop17h 00m

$537

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Sun 4/5

6:30 pm-12:10 pm

1 stop31h 40m

Bucharest Otopeni Intl

Sat 5/9

7:00 am-11:50 am

1 stop14h 50m

$537

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Wed 4/8

5:30 pm-1:00 am

1 stop21h 30m

Bucharest Otopeni Intl

Sat 5/9

6:05 am-1:05 pm

1 stop17h 00m

$537

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

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 December 12, 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 $690). 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 December 18, 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.

How much does it cost to fly round-trip from Irvine to Bucharest Otopeni Intl Airport?

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 December 18, 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
879 reviews

Food

6.8

Overall

7.6

Comfort

7.3

Crew

8.1

Entertainment

6.8

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
879 reviews
Austrian Airlines
7.6
Good
879 reviews

Food

6.8

Overall

7.6

Comfort

7.3

Crew

8.1

Entertainment

6.8

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
1,508 reviews
Austrian Airlines
7.6
Good
879 reviews

Food

6.8

Overall

7.6

Comfort

7.3

Crew

8.1

Entertainment

6.8

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
4,105 reviews
Austrian Airlines
7.6
Good
879 reviews

Food

6.8

Overall

7.6

Comfort

7.3

Crew

8.1

Entertainment

6.8

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
7,634 reviews
Austrian Airlines
7.6
Good
879 reviews

Food

6.8

Overall

7.6

Comfort

7.3

Crew

8.1

Entertainment

6.8

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
7,583 reviews
Austrian Airlines
7.6
Good
879 reviews

Food

6.8

Overall

7.6

Comfort

7.3

Crew

8.1

Entertainment

6.8

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 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 Delta can get you from Irvine to Bucharest Otopeni Intl Airport in just under 27h 12m. Your travel time can differ by up to 4h 58m. 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.

  • What are the cheapest airlines to fly from Irvine to Bucharest Otopeni Intl Airport one-way?

    For one-way options, check prices for Lufthansa. According to our data, you can fly for as low as $302. Users have also found prices from $319 and $398 on SWISS and Turkish Airlines, respectively.

  • 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 $690). 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
LOTCheapest$443Average$703FlexibilityNo cancel feeOn-time81%
LufthansaCheapest$462Average$714FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$481Average$646FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$505Average$733FlexibilityNo cancel feeOn-time70%
SWISSCheapest$542Average$637FlexibilityNo cancel feeOn-time79%
Austrian AirlinesCheapest$555Average$796FlexibilityNo cancel feeOn-time78%
DeltaCheapest$560Average$1,007FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$568Average$783FlexibilityNo cancel feeOn-time77%
Turkish AirlinesCheapest$571Average$668FlexibilityNo cancel feeOn-time77%
KLMCheapest$589Average$854FlexibilityNo cancel feeOn-time75%

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