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Otopeni Intl

$317+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — OTP
Apr 29 — May 61
Tue 4/29
Tue 5/6
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 24, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$580
(Kiwi.com)

One-way from

$317
(Norse)

Popular in

June

Cheapest in

November

Average price

$645
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 ($108 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($21 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 24, 2025.

This Kiwi.com deal was found by Cheapflights users on 4/23. 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.
Tue 5/66:50 pmLAX - OTP
1 stop22h 20mMultiple Airlines
Sun 5/114:20 pmOTP - LAX
1 stop30h 10mMultiple Airlines
Deal found 4/23$580
This oojo deal was found by Cheapflights users on 4/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/184:35 pmLAX - OTP
1 stop20h 35mLOT
Tue 9/28:20 amOTP - LAX
1 stop21h 45mLOT
Deal found 4/23$581
This Air Canada deal was found by Cheapflights users on 4/23. 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 8/1812:05 pmLAX - OTP
2 stops18h 45mAir Canada
Tue 9/26:00 amOTP - LAX
2 stops23h 40mAir Canada
Deal found 4/23$584
This Lufthansa deal was found by Cheapflights users on 4/23. 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.
Tue 8/128:18 amLAX - OTP
2 stops18h 42mLufthansa
Thu 8/216:05 amOTP - LAX
2 stops20h 50mLufthansa
Deal found 4/23$589
This Gurufare deal was found by Cheapflights users on 4/23. 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.
Sun 8/249:59 amLAX - OTP
2 stops25h 11mScandinavian Airlines
Sun 9/79:25 pmOTP - LAX
1 stop28h 55mScandinavian Airlines
Deal found 4/23$597
This British Airways deal was found by Cheapflights users on 4/23. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/219:40 pmLAX - OTP
1 stop17h 05mBritish Airways
Fri 10/108:25 amOTP - LAX
1 stop19h 10mBritish Airways
Deal found 4/23$613
This United Airlines deal was found by Cheapflights users on 4/23. 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 5/2111:00 amLAX - OTP
2 stops21h 35mUnited Airlines
Wed 5/286:00 amOTP - LAX
2 stops23h 50mUnited Airlines
Deal found 4/23$620
This Cheapflightsfares deal was found by Cheapflights users on 4/22. 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.
Thu 9/48:15 amLAX - OTP
2 stops18h 10mAustrian Airlines
Thu 9/116:35 amOTP - LAX
2 stops21h 28mAustrian Airlines
Deal found 4/22$657
This FlightHub deal was found by Cheapflights users on 4/23. 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 9/312:10 amLAX - OTP
1 stop34h 15mTurkish Airlines
Thu 9/119:45 pmOTP - LAX
1 stop24h 00mTurkish Airlines
Deal found 4/23$680
This SWISS deal was found by Cheapflights users on 4/23. 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.
Wed 5/711:30 amLAX - OTP
2 stops27h 50mSWISS
Tue 5/132:35 pmOTP - LAX
1 stop35h 55mSWISS
Deal found 4/23$690
This Delta deal was found by Cheapflights users on 4/22. 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 5/512:45 amLAX - OTP
2 stops26h 15mDelta
Tue 5/137:00 amOTP - LAX
1 stop17h 50mDelta
Deal found 4/22$699

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 24, 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 5/6

6:50 pm-3:10 am

1 stop22h 20m

Bucharest Otopeni Intl

Sun 5/11

4:20 pm-12:30 pm

1 stop30h 10m

$580

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Mon 8/18

4:35 pm-11:10 pm

1 stop20h 35m

Bucharest Otopeni Intl

Tue 9/2

8:20 am-8:05 pm

1 stop21h 45m

$581

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Mon 8/18

12:05 pm-4:50 pm

2 stops18h 45m

Bucharest Otopeni Intl

Tue 9/2

6:00 am-7:40 pm

2 stops23h 40m

$584

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Tue 8/12

8:18 am-1:00 pm

2 stops18h 42m

Bucharest Otopeni Intl

Thu 8/21

6:05 am-4:55 pm

2 stops20h 50m

$589

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Sun 8/24

9:59 am-9:10 pm

2 stops25h 11m

Bucharest Otopeni Intl

Sun 9/7

9:25 pm-4:20 pm

1 stop28h 55m

$597

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Sun 9/21

9:40 pm-12:45 am

1 stop17h 05m

Bucharest Otopeni Intl

Fri 10/10

8:25 am-5:35 pm

1 stop19h 10m

$613

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Wed 5/21

11:00 am-6:35 pm

2 stops21h 35m

Bucharest Otopeni Intl

Wed 5/28

6:00 am-7:50 pm

2 stops23h 50m

$620

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Thu 9/4

8:15 am-12:25 pm

2 stops18h 10m

Bucharest Otopeni Intl

Thu 9/11

6:35 am-6:03 pm

2 stops21h 28m

$657

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Wed 9/3

12:10 am-8:25 pm

1 stop34h 15m

Bucharest Otopeni Intl

Thu 9/11

9:45 pm-11:45 am

1 stop24h 00m

$680

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Wed 5/7

11:30 am-1:20 am

2 stops27h 50m

Bucharest Otopeni Intl

Thu 5/15

6:30 am-4:30 pm

1 stop20h 00m

$690

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 21 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 April 18, 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 24, 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 24, 2025.
Peruse reviews from past customers who have flown with Delta, LOT and Austrian Airlines 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
7,920 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

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
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

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
1,066 reviews
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

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
780 reviews
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

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
1,582 reviews
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

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.
Air France
7.4
Good
1,442 reviews
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

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 Scandinavian Airlines. According to our data, you can fly for as low as $379. Users have also found prices from $434 and $473 on United Airlines 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 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$485Average$668FlexibilityNo cancel feeOn-time71%
SWISSCheapest$494Average$613FlexibilityNo cancel feeOn-time79%
British AirwaysCheapest$503Average$705FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$535Average$759FlexibilityNo cancel feeOn-time76%
KLMCheapest$552Average$924FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$556Average$797FlexibilityNo cancel feeOn-time77%
Turkish AirlinesCheapest$562Average$657FlexibilityNo cancel feeOn-time77%
DeltaCheapest$569Average$1,040FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$574Average$808FlexibilityNo cancel feeOn-time69%
Austrian AirlinesCheapest$580Average$768FlexibilityNo cancel feeOn-time78%

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