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Otopeni Intl

$287+ 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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — OTP
Apr 8 — Apr 151
Tue 4/8
Tue 4/15
1 adult, Economy
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Cheapflights Tip: The best prices from Irvine to Bucharest Otopeni Intl are usually found in November or February, 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 April 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$569
(British Airways)

One-way from

$293
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$635
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
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One-way flight from Irvine to Bucharest Otopeni Intl
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Highest demand for flights based on searches. 13% potential increase in price ($115 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 3, 2025.

This Booking.com deal was found by Cheapflights users on 4/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/139:43 amLAX - OTP
2 stops19h 42mBritish Airways
Wed 5/218:25 amOTP - LAX
1 stop19h 40mBritish Airways
Deal found 4/1$564
This American Airlines deal was found by Cheapflights users on 4/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/135:45 pmLAX - OTP
2 stops21h 00mAmerican Airlines
Tue 4/298:25 amOTP - LAX
2 stops21h 36mAmerican Airlines
Deal found 4/1$571
This Scandinavian Airlines deal was found by Cheapflights users on 4/1. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/217:30 pmLAX - OTP
1 stop15h 40mScandinavian Airlines
Fri 10/109:50 pmOTP - LAX
2 stops32h 31mScandinavian Airlines
Deal found 4/1$572
This Iberia deal was found by Cheapflights users on 4/2. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/121:30 pmLAX - OTP
2 stops25h 55mMultiple Airlines
Wed 5/218:25 amOTP - LAX
2 stops21h 46mMultiple Airlines
Deal found 4/2$574
This Delta deal was found by Cheapflights users on 4/1. 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.
Mon 4/148:15 amLAX - OTP
2 stops17h 55mDelta
Tue 4/296:30 amOTP - LAX
1 stop21h 50mDelta
Deal found 4/1$580
This Air Canada deal was found by Cheapflights users on 4/1. 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.
Sat 11/810:55 pmLAX - OTP
2 stops28h 50mAir Canada
Sun 11/235:55 amOTP - LAX
2 stops20h 11mAir Canada
Deal found 4/1$584
This Justfly.com deal was found by Cheapflights users on 4/1. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/214:35 pmLAX - OTP
1 stop15h 10mLOT
Wed 6/48:20 amOTP - LAX
1 stop16h 15mLOT
Deal found 4/1$612
This United Airlines deal was found by Cheapflights users on 4/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/128:05 amLAX - OTP
2 stops22h 45mUnited Airlines
Wed 5/216:00 amOTP - LAX
2 stops26h 59mUnited Airlines
Deal found 4/1$613
This Orbitz deal was found by Cheapflights users on 4/2. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/147:35 pmLAX - OTP
1 stop19h 45mSWISS
Fri 5/236:30 amOTP - LAX
1 stop20h 00mSWISS
Deal found 4/2$616
This KLM deal was found by Cheapflights users on 3/31. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/71:50 pmLAX - OTP
1 stop17h 30mKLM
Mon 4/284:50 pmOTP - LAX
1 stop29h 00mKLM
Deal found 3/31$624
This Aeromexico deal was found by Cheapflights users on 4/1. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/109:59 pmLAX - OTP
2 stops31h 51mAir France
Wed 8/208:40 amOTP - LAX
1 stop19h 30mAir France
Deal found 4/1$632
This Austrian Airlines deal was found by Cheapflights users on 4/1. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/115:30 pmLAX - OTP
2 stops32h 55mAustrian Airlines
Mon 5/194:05 pmOTP - LAX
2 stops36h 35mAustrian Airlines
Deal found 4/1$658

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 April 3, 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

Tue 5/13

9:43 am-3:25 pm

2 stops19h 42m

Bucharest Otopeni Intl

Wed 5/21

8:25 am-6:05 pm

1 stop19h 40m

$564

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Sun 4/13

5:45 pm-12:45 am

2 stops21h 00m

Bucharest Otopeni Intl

Tue 4/29

8:25 am-8:01 pm

2 stops21h 36m

$571

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Sun 9/21

7:30 pm-9:10 pm

1 stop15h 40m

Bucharest Otopeni Intl

Fri 10/10

9:50 pm-8:21 pm

2 stops32h 31m

$572

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Mon 5/12

1:30 pm-1:25 am

2 stops25h 55m

Bucharest Otopeni Intl

Wed 5/21

8:25 am-8:11 pm

2 stops21h 46m

$574

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Mon 4/14

8:15 am-12:10 pm

2 stops17h 55m

Bucharest Otopeni Intl

Tue 4/29

6:30 am-6:20 pm

1 stop21h 50m

$580

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Thu 5/8

8:05 am-1:00 pm

2 stops18h 55m

Bucharest Otopeni Intl

Thu 5/22

6:30 am-7:50 pm

2 stops23h 20m

$610

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Wed 5/21

4:35 pm-5:45 pm

1 stop15h 10m

Bucharest Otopeni Intl

Wed 6/4

8:20 am-2:35 pm

1 stop16h 15m

$612

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Mon 5/12

8:05 am-4:50 pm

2 stops22h 45m

Bucharest Otopeni Intl

Wed 5/21

6:00 am-10:59 pm

2 stops26h 59m

$613

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Wed 5/14

7:35 pm-1:20 am

1 stop19h 45m

Bucharest Otopeni Intl

Fri 5/23

6:30 am-4:30 pm

1 stop20h 00m

$616

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Sun 8/10

9:59 pm-3:50 pm

2 stops31h 51m

Bucharest Otopeni Intl

Wed 8/20

8:40 am-6:10 pm

1 stop19h 30m

$632

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 26 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 March 28, 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 $1,175). 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 April 3, 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.

Rainfall in Otopeni Intl by month

Plan your trip to Otopeni Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Bucharest Otopeni Intl Airport ranges from 0.8 - 3.1 inches per month. June is typically the wettest month, when rainfall can reach 3.1 in. October is typically the driest time to visit Bucharest Otopeni Intl Airport when rainfall is around 0.8 in.

Temperature in Otopeni Intl by month

Plan your trip to Otopeni Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Bucharest Otopeni Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 April 3, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and LOT from Irvine to Bucharest to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,897 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

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
7,897 reviews
Delta
8.0
Very good
7,897 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

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.
KLM
7.8
Good
1,323 reviews
Delta
8.0
Very good
7,897 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

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
1,065 reviews
Delta
8.0
Very good
7,897 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

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
771 reviews
Delta
8.0
Very good
7,897 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

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
1,574 reviews
Delta
8.0
Very good
7,897 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

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 British Airways. According to our data, you can fly for as low as $463. Users have also found prices from $479 and $482 on Lufthansa 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 $1,175). 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

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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 April 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$485Average$658FlexibilityNo cancel feeOn-time71%
SWISSCheapest$494Average$613FlexibilityNo cancel feeOn-time79%
British AirwaysCheapest$521Average$711FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$535Average$754FlexibilityNo cancel feeOn-time76%
KLMCheapest$552Average$913FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$562Average$673FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$564Average$808FlexibilityNo cancel feeOn-time77%
DeltaCheapest$569Average$1,040FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$574Average$809FlexibilityNo cancel feeOn-time69%
Austrian AirlinesCheapest$580Average$760FlexibilityNo cancel feeOn-time78%

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