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Otopeni Intl

$305+ 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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — OTP
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$586
(Air Canada)

One-way from

$305
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$698
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 ($107 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 May 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 May 1, 2025.

This Travelocity deal was found by Cheapflights users on 4/30. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/298:05 amLAX - OTP
2 stops24h 30mMultiple Airlines
Tue 8/124:10 pmOTP - LAX
1 stop34h 20mMultiple Airlines
Deal found 4/30$587
This FlightHub deal was found by Cheapflights users on 4/30. 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 9/147:30 pmLAX - OTP
1 stop15h 40mScandinavian Airlines
Sun 9/219:25 pmOTP - LAX
1 stop28h 55mScandinavian Airlines
Deal found 4/30$594
This Lufthansa deal was found by Cheapflights users on 4/30. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/125:30 pmLAX - OTP
1 stop15h 05mLufthansa
Sat 10/256:05 amOTP - LAX
1 stop19h 10mLufthansa
Deal found 4/30$605
This Booking.com deal was found by Cheapflights users on 4/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/308:05 pmLAX - OTP
1 stop19h 20mBritish Airways
Tue 10/148:25 amOTP - LAX
1 stop16h 30mBritish Airways
Deal found 4/30$612
This oojo deal was found by Cheapflights users on 4/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/174:35 pmLAX - OTP
1 stop15h 10mLOT
Mon 9/296:30 pmOTP - LAX
1 stop35h 35mLOT
Deal found 4/30$618
This FlightHub deal was found by Cheapflights users on 4/30. 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.
Wed 8/2712:10 amLAX - OTP
1 stop22h 00mTurkish Airlines
Thu 9/119:30 amOTP - LAX
1 stop18h 30mTurkish Airlines
Deal found 4/30$630
This CheapOair deal was found by Cheapflights users on 4/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/147:30 amLAX - OTP
2 stops23h 20mAir Canada
Sun 9/216:00 amOTP - LAX
2 stops20h 08mAir Canada
Deal found 4/30$649
This SWISS deal was found by Cheapflights users on 4/30. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/132:48 pmLAX - OTP
2 stops36h 17mSWISS
Wed 10/221:55 pmOTP - LAX
2 stops40h 28mSWISS
Deal found 4/30$654
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/173:05 pmLAX - OTP
1 stop14h 15mAustrian Airlines
Mon 9/296:55 pmOTP - LAX
2 stops28h 05mAustrian Airlines
Deal found 4/30$658
This United Airlines deal was found by Cheapflights users on 4/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/185:30 pmLAX - OTP
1 stop15h 05mUnited Airlines
Tue 6/36:00 amOTP - LAX
2 stops22h 54mUnited Airlines
Deal found 4/30$672
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/812:50 amLAX - OTP
2 stops30h 30mDelta
Fri 5/167:00 amOTP - LAX
1 stop17h 50mDelta
Deal found 4/29$768

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 May 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

Tue 7/29

8:05 am-6:35 pm

2 stops24h 30m

Bucharest Otopeni Intl

Tue 8/12

4:10 pm-4:30 pm

1 stop34h 20m

$587

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Sun 9/14

7:30 pm-9:10 pm

1 stop15h 40m

Bucharest Otopeni Intl

Sun 9/21

9:25 pm-4:20 pm

1 stop28h 55m

$594

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Sun 10/12

5:30 pm-6:35 pm

1 stop15h 05m

Bucharest Otopeni Intl

Sat 10/25

6:05 am-3:15 pm

1 stop19h 10m

$605

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Tue 9/30

8:05 pm-1:25 am

1 stop19h 20m

Bucharest Otopeni Intl

Tue 10/14

8:25 am-2:55 pm

1 stop16h 30m

$612

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Wed 9/17

4:35 pm-5:45 pm

1 stop15h 10m

Bucharest Otopeni Intl

Mon 9/29

6:30 pm-8:05 pm

1 stop35h 35m

$618

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Tue 9/30

10:30 pm-3:20 pm

2 stops30h 50m

Bucharest Otopeni Intl

Tue 10/14

6:30 am-9:28 pm

2 stops24h 58m

$620

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Wed 8/27

12:10 am-8:10 am

1 stop22h 00m

Bucharest Otopeni Intl

Thu 9/11

9:30 am-6:00 pm

1 stop18h 30m

$630

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Mon 10/13

2:48 pm-1:05 pm

2 stops36h 17m

Bucharest Otopeni Intl

Wed 10/22

1:55 pm-8:23 pm

2 stops40h 28m

$654

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Wed 9/17

3:05 pm-3:20 pm

1 stop14h 15m

Bucharest Otopeni Intl

Mon 9/29

6:55 pm-1:00 pm

2 stops28h 05m

$658

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Sun 5/18

5:30 pm-6:35 pm

1 stop15h 05m

Bucharest Otopeni Intl

Tue 6/3

6:00 am-6:54 pm

2 stops22h 54m

$672

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 24 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 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 $1,169). 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 May 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.

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 May 1, 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
7,934 reviews

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

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
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

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
1,069 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

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
781 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

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
1,588 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

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
1,446 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

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 $377. Users have also found prices from $468 and $474 on British Airways and SWISS, 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 $1,169). 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$485Average$668FlexibilityNo cancel feeOn-time71%
SWISSCheapest$494Average$613FlexibilityNo cancel feeOn-time79%
British AirwaysCheapest$501Average$698FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$536Average$747FlexibilityNo cancel feeOn-time76%
KLMCheapest$552Average$899FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$555Average$793FlexibilityNo cancel feeOn-time77%
Turkish AirlinesCheapest$562Average$656FlexibilityNo cancel feeOn-time77%
DeltaCheapest$569Average$1,040FlexibilityNo cancel feeOn-timeN/A
Austrian AirlinesCheapest$573Average$769FlexibilityNo cancel feeOn-time78%
United AirlinesCheapest$574Average$806FlexibilityNo cancel feeOn-time69%

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