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Otopeni Intl

$226+ 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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — OTP
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
1 adult, Economy
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Cheapflights Tip: The best prices from Irvine to Bucharest Otopeni Intl are usually found in September or November, booked 75 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

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 August 1, 2025.

Round-trip from

$569
(United Airlines)

One-way from

$226
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$795
From Irvine to Bucharest Otopeni Intl
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One-way flight from Irvine 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 ($15 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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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 August 1, 2025.

This United Airlines deal was found by Cheapflights users on 7/31. 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.
Wed 9/178:05 amLAX - OTP
2 stops22h 45mUnited Airlines
Wed 10/156:00 amOTP - LAX
1 stop17h 00mUnited Airlines
Deal found 7/31$569
This Air Canada deal was found by Cheapflights users on 8/1. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1510:30 pmLAX - OTP
2 stops34h 05mAir Canada
Wed 10/81:55 pmOTP - LAX
2 stops32h 38mAir Canada
Deal found 8/1$572
This Lufthansa deal was found by Cheapflights users on 7/31. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/312:55 pmLAX - OTP
2 stops22h 55mLufthansa
Wed 9/246:00 amOTP - LAX
1 stop17h 00mLufthansa
Deal found 7/31$574
This FlightHub deal was found by Cheapflights users on 7/30. 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.
Sun 8/318:05 amLAX - OTP
2 stops22h 45mMultiple Airlines
Fri 9/196:30 amOTP - LAX
1 stop20h 00mMultiple Airlines
Deal found 7/30$578
This Delta deal was found by Cheapflights users on 8/1. 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.
Sat 9/611:50 pmLAX - OTP
2 stops31h 30mDelta
Thu 9/256:30 amOTP - LAX
1 stop19h 35mDelta
Deal found 8/1$580
This Austrian Airlines deal was found by Cheapflights users on 7/30. 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.
Sun 8/313:05 pmLAX - OTP
1 stop23h 05mAustrian Airlines
Thu 9/254:05 pmOTP - LAX
1 stop31h 00mAustrian Airlines
Deal found 7/30$583
This SWISS deal was found by Cheapflights users on 8/1. 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.
Sat 9/137:35 pmLAX - OTP
1 stop19h 30mSWISS
Tue 10/284:40 pmOTP - LAX
1 stop33h 55mSWISS
Deal found 8/1$591
This LOT deal was found by Cheapflights users on 8/1. 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 LOT is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3110:05 pmLAX - OTP
1 stop15h 05mLOT
Wed 9/178:20 amOTP - LAX
1 stop16h 15mLOT
Deal found 8/1$596
This Ovago deal was found by Cheapflights users on 8/1. 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 11/299:00 pmLAX - OTP
1 stop16h 45mBritish Airways
Sat 12/134:00 pmOTP - LAX
1 stop33h 20mBritish Airways
Deal found 8/1$598
This FlightHub deal was found by Cheapflights users on 7/29. 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.
Wed 8/271:40 pmLAX - OTP
1 stop20h 45mTurkish Airlines
Mon 10/2710:10 amOTP - LAX
1 stop16h 40mTurkish Airlines
Deal found 7/29$603

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 August 1, 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

Wed 9/17

8:05 am-4:50 pm

2 stops22h 45m

Bucharest Otopeni Intl

Wed 10/15

6:00 am-1:00 pm

1 stop17h 00m

$569

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Mon 9/15

10:30 pm-6:35 pm

2 stops34h 05m

Bucharest Otopeni Intl

Wed 10/8

1:55 pm-12:33 pm

2 stops32h 38m

$572

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Sun 8/31

2:55 pm-11:50 pm

2 stops22h 55m

Bucharest Otopeni Intl

Wed 9/24

6:00 am-1:00 pm

1 stop17h 00m

$574

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Sun 8/31

8:05 am-4:50 pm

2 stops22h 45m

Bucharest Otopeni Intl

Fri 9/19

6:30 am-4:30 pm

1 stop20h 00m

$578

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Sat 9/6

11:50 pm-5:20 pm

2 stops31h 30m

Bucharest Otopeni Intl

Wed 9/24

6:30 am-4:05 pm

1 stop19h 35m

$580

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Sun 8/31

3:05 pm-6:05 pm

1 stop17h 00m

Bucharest Otopeni Intl

Wed 9/17

1:15 pm-1:05 pm

1 stop33h 50m

$583

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Sat 9/13

7:35 pm-1:05 am

1 stop19h 30m

Bucharest Otopeni Intl

Thu 10/30

6:30 am-5:35 pm

1 stop20h 05m

$591

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Sun 8/31

10:05 pm-11:10 pm

1 stop15h 05m

Bucharest Otopeni Intl

Wed 9/17

8:20 am-2:35 pm

1 stop16h 15m

$596

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Sat 11/29

9:00 pm-11:45 pm

1 stop16h 45m

Bucharest Otopeni Intl

Sat 12/13

4:00 pm-3:20 pm

1 stop33h 20m

$598

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Wed 8/27

1:40 pm-8:25 pm

1 stop20h 45m

Bucharest Otopeni Intl

Mon 10/27

10:10 am-5:50 pm

1 stop16h 40m

$603

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 15 results
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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 July 25, 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 75 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, November is the cheapest month in which you can book a flight from Irvine to Bucharest Otopeni Intl Airport (average of $604). Flying from Irvine to Bucharest Otopeni Intl Airport in June is currently the most expensive (average of $1,137). 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 August 1, 2025.

When flying from Irvine to Bucharest Otopeni Intl Airport, 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 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 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 August 1, 2025.
Get a feel of what it's like to fly with Delta, LOT, and Austrian 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.
Delta
8.0
Very good
7,983 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,983 reviews
Delta
8.0
Very good
7,983 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
LOT
7.6
Good
1,106 reviews
Delta
8.0
Very good
7,983 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
823 reviews
Delta
8.0
Very good
7,983 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.5
Good
1,465 reviews
Delta
8.0
Very good
7,983 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,686 reviews
Delta
8.0
Very good
7,983 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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

    For one-way options, check prices for Scandinavian Airlines. According to our data, you can fly for as low as $367. Users have also found prices from $395 and $406 on Air Canada and Air France, 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, November is the cheapest month in which you can book a flight from Irvine to Bucharest Otopeni Intl Airport (average of $604). Flying from Irvine to Bucharest Otopeni Intl Airport in June is currently the most expensive (average of $1,137). 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 August 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$442Average$730FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$481Average$646FlexibilityNo cancel feeOn-time77%
SWISSCheapest$494Average$625FlexibilityNo cancel feeOn-time79%
American AirlinesCheapest$502Average$668FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$505Average$715FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$527Average$830FlexibilityNo cancel feeOn-time69%
KLMCheapest$538Average$851FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$550Average$796FlexibilityNo cancel feeOn-time77%
Austrian AirlinesCheapest$555Average$775FlexibilityNo cancel feeOn-time78%
DeltaCheapest$569Average$1,006FlexibilityNo cancel feeOn-timeN/A

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