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Otopeni Intl

$216+ 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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — OTP
oct. 16 — oct. 231
jue. 10/16
jue. 10/23
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 87 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 septiembre 16, 2025.

Round-trip from

$555
(Delta)

One-way from

$216
(Mytrip)

Popular in

June

Cheapest in

November

Average price

$615
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. 11% potential increase in price ($91 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 September 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 septiembre 16, 2025.

This Delta deal was found by Cheapflights users on 9/14. 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.
dom. 10/54:50 pmLAX - OTP
1 stop34h 10mDelta
jue. 10/167:00 amOTP - LAX
2 stops27h 04mDelta
Deal found 9/14$555
This United Airlines deal was found by Cheapflights users on 9/14. 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.
dom. 9/215:30 pmLAX - OTP
1 stop15h 05mUnited Airlines
mar. 9/306:00 amOTP - LAX
2 stops20h 30mUnited Airlines
Deal found 9/14$556
This United Airlines deal was found by Cheapflights users on 9/15. 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.
sáb. 10/181:20 pmLAX - OTP
2 stops19h 15mUnited Airlines
lun. 11/32:50 pmOTP - LAX
1 stop32h 15mUnited Airlines
Deal found 9/15$557
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
jue. 10/237:35 pmLAX - OTP
1 stop19h 30mSWISS
sáb. 11/16:30 amOTP - LAX
1 stop20h 05mSWISS
Deal found 9/14$558
This Lufthansa deal was found by Cheapflights users on 9/14. 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.
dom. 10/55:30 pmLAX - OTP
1 stop21h 30mLufthansa
mar. 10/146:00 amOTP - LAX
2 stops19h 15mLufthansa
Deal found 9/14$559
This Delta deal was found by Cheapflights users on 9/14. 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.
dom. 9/2811:45 amLAX - OTP
2 stops19h 35mDelta
jue. 10/97:00 amOTP - LAX
2 stops27h 04mDelta
Deal found 9/14$560
This United Airlines deal was found by Cheapflights users on 9/15. 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.
vie. 10/171:00 pmLAX - OTP
2 stops18h 55mUnited Airlines
lun. 11/32:50 pmOTP - LAX
1 stop32h 15mUnited Airlines
Deal found 9/15$561
This United Airlines deal was found by Cheapflights users on 9/14. 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.
vie. 11/73:00 pmLAX - OTP
1 stop22h 50mUnited Airlines
dom. 11/235:55 amOTP - LAX
1 stop17h 10mUnited Airlines
Deal found 9/14$562
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
jue. 11/61:00 pmLAX - OTP
2 stops18h 40mMultiple Airlines
sáb. 11/229:30 amOTP - LAX
1 stop20h 55mMultiple Airlines
Deal found 9/14$563
This FlightHub deal was found by Cheapflights users on 9/15. 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.
jue. 10/161:40 pmLAX - OTP
1 stop32h 30mTurkish Airlines
jue. 10/309:50 pmOTP - LAX
1 stop23h 20mTurkish Airlines
Deal found 9/15$564
This Mytrip deal was found by Cheapflights users on 9/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/217:35 pmLAX - OTP
1 stop19h 30mMultiple Airlines
lun. 11/35:55 amOTP - LAX
2 stops25h 33mMultiple Airlines
Deal found 9/14$566

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 septiembre 16, 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

vie. 10/17

12:20 pm-6:35 pm

2 stops20h 15m

Bucharest Otopeni Intl

vie. 10/31

5:55 am-10:15 pm

2 stops25h 20m

$556

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

jue. 11/20

11:45 am-3:50 pm

2 stops18h 05m

Bucharest Otopeni Intl

dom. 12/7

5:55 am-1:05 pm

1 stop17h 10m

$558

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

jue. 11/20

11:45 am-3:50 pm

2 stops18h 05m

Bucharest Otopeni Intl

lun. 12/8

4:40 pm-4:35 pm

1 stop33h 55m

$561

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

jue. 11/6

3:00 pm-11:50 pm

1 stop22h 50m

Bucharest Otopeni Intl

dom. 11/23

5:55 am-1:05 pm

1 stop17h 10m

$562

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

lun. 10/6

12:10 am-8:10 am

1 stop22h 00m

Bucharest Otopeni Intl

jue. 10/23

9:35 am-6:00 pm

1 stop18h 25m

$573

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

jue. 10/9

5:30 pm-6:35 pm

1 stop15h 05m

Bucharest Otopeni Intl

vie. 10/17

6:00 am-4:08 pm

2 stops20h 08m

$587

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

mar. 10/28

4:00 pm-6:35 pm

2 stops17h 35m

Bucharest Otopeni Intl

lun. 11/10

5:55 am-3:15 pm

2 stops19h 20m

$595

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

vie. 11/21

12:30 pm-3:50 pm

2 stops41h 20m

Bucharest Otopeni Intl

sáb. 12/6

5:55 am-9:08 pm

2 stops25h 13m

$595

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

jue. 11/20

10:30 am-2:05 pm

2 stops17h 35m

Bucharest Otopeni Intl

sáb. 12/6

5:55 am-1:05 pm

1 stop17h 10m

$606

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

jue. 11/20

9:00 pm-11:45 pm

1 stop16h 45m

Bucharest Otopeni Intl

lun. 12/8

8:25 pm-1:30 pm

1 stop27h 05m

$609

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 18 results
1
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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 September 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 87 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 $1,132). 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 septiembre 16, 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.

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 septiembre 16, 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
850 reviews

Entertainment

6.8

Overall

7.6

Food

6.8

Crew

8.1

Comfort

7.3

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
850 reviews
Austrian Airlines
7.6
Good
850 reviews

Entertainment

6.8

Overall

7.6

Food

6.8

Crew

8.1

Comfort

7.3

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
1,468 reviews
Austrian Airlines
7.6
Good
850 reviews

Entertainment

6.8

Overall

7.6

Food

6.8

Crew

8.1

Comfort

7.3

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
3,968 reviews
Austrian Airlines
7.6
Good
850 reviews

Entertainment

6.8

Overall

7.6

Food

6.8

Crew

8.1

Comfort

7.3

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
7,407 reviews
Austrian Airlines
7.6
Good
850 reviews

Entertainment

6.8

Overall

7.6

Food

6.8

Crew

8.1

Comfort

7.3

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
7,363 reviews
Austrian Airlines
7.6
Good
850 reviews

Entertainment

6.8

Overall

7.6

Food

6.8

Crew

8.1

Comfort

7.3

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?

    Air Canada, SWISS, and United Airlines can get you from Irvine to Bucharest Otopeni Intl Airport in just under 18h 05m. Your travel time can differ by up to 4h 45m. 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.

  • 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 $1,132). 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 septiembre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$442Average$722FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$481Average$646FlexibilityNo cancel feeOn-time77%
SWISSCheapest$494Average$613FlexibilityNo cancel feeOn-time79%
British AirwaysCheapest$499Average$731FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$502Average$704FlexibilityNo cancel feeOn-time71%
LOTCheapest$507Average$732FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$527Average$813FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$550Average$790FlexibilityNo cancel feeOn-time77%
KLMCheapest$552Average$854FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$571Average$676FlexibilityNo cancel feeOn-time77%

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