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$219+ Cheap flights from Irvine, CA to Bucharest (BUH)

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 11/25. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BUH
Oct 22 — Oct 291
Wed 10/22
Wed 10/29
1 adult, Economy
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Cheapflights Tip: The best prices from Irvine to Bucharest are usually found in October or March, booked 71 days in advance, depart on a Sunday or Tuesday and return on a Wednesday

Cheap flight deals from Irvine to Bucharest

Keep the following information in mind while searching for Irvine to Bucharest flight deals. Data was last updated September 22, 2025.

Round-trip from

$546
(Kiwi.com)

One-way from

$219
(Mytrip)

Popular in

December

Cheapest in

October

Average price

$709
From Irvine to Bucharest (BUH)
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One-way flight from Irvine to Bucharest (BUH)
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Highest demand for flights based on searches. 9% potential increase in price ($71 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($28 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 Bucharest

Cheapest flights from Irvine to Bucharest
Explore the most affordable flight options available from Irvine to Bucharest. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 22, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/20. 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.
Thu 11/274:45 pmLAX - OTP
2 stops44h 25mMultiple Airlines
Thu 12/116:15 amOTP - LAX
1 stop22h 55mMultiple Airlines
Deal found 9/20$546
This United Airlines deal was found by Cheapflights users on 9/20. 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 12/85:30 pmLAX - OTP
1 stop15h 05mUnited Airlines
Thu 1/85:50 amOTP - LAX
2 stops21h 35mUnited Airlines
Deal found 9/20$547
This Kiwi.com deal was found by Cheapflights users on 9/20. 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.
Thu 11/274:45 pmLAX - OTP
2 stops44h 25mMultiple Airlines
Sat 12/132:30 pmOTP - LAX
1 stop37h 40mMultiple Airlines
Deal found 9/20$548
This KAYAK deal was found by Cheapflights users on 9/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/187:10 pmLAX - OTP
1 stop19h 20mMultiple Airlines
Tue 12/25:55 amOTP - LAX
1 stop17h 10mMultiple Airlines
Deal found 9/20$550
This Delta deal was found by Cheapflights users on 9/20. 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 11/275:40 pmLAX - OTP
1 stop19h 10mDelta
Thu 12/111:55 pmOTP - LAX
2 stops20h 54mDelta
Deal found 9/20$552
This Delta deal was found by Cheapflights users on 9/20. 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.
Wed 11/261:45 pmLAX - OTP
1 stop17h 25mDelta
Sun 12/76:00 amOTP - LAX
1 stop15h 45mDelta
Deal found 9/20$553
This Delta deal was found by Cheapflights users on 9/21. 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 11/271:45 pmLAX - OTP
1 stop17h 25mDelta
Mon 12/81:55 pmOTP - LAX
1 stop31h 50mDelta
Deal found 9/21$554
This Air Canada deal was found by Cheapflights users on 9/20. 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 12/87:45 amLAX - OTP
2 stops22h 05mAir Canada
Thu 1/86:30 amOTP - LAX
2 stops24h 58mAir Canada
Deal found 9/20$555
This United Airlines deal was found by Cheapflights users on 9/20. 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 12/76:00 amLAX - OTP
2 stops22h 05mUnited Airlines
Thu 1/85:50 amOTP - LAX
2 stops25h 26mUnited Airlines
Deal found 9/20$556
This Lufthansa deal was found by Cheapflights users on 9/21. 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.
Thu 11/275:30 pmLAX - OTP
1 stop21h 35mLufthansa
Thu 12/115:50 amOTP - LAX
1 stop17h 15mLufthansa
Deal found 9/21$557
This Kiwi.com deal was found by Cheapflights users on 9/20. 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.
Sat 11/294:45 pmLAX - OTP
2 stops24h 30mMultiple Airlines
Thu 12/116:15 amOTP - LAX
1 stop22h 55mMultiple Airlines
Deal found 9/20$558

Cheapflights Fare Finder

 
Customize your flight search to find flights from Irvine to Bucharest 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 September 22, 2025.
Use the filters below to find and compare flights from Irvine to Bucharest that are best for you.

Fly from

Irvine

Fly to

Bucharest

Route

Depart

Return

Price

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Wed 11/26

1:45 pm-5:10 pm

1 stop17h 25m

Bucharest Otopeni Intl

Sun 12/7

6:00 am-11:45 am

1 stop15h 45m

$554

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Thu 11/27

1:45 pm-5:10 pm

1 stop17h 25m

Bucharest Otopeni Intl

Mon 12/8

1:55 pm-11:45 am

1 stop31h 50m

$554

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Sun 12/7

6:00 am-2:05 pm

2 stops22h 05m

Bucharest Otopeni Intl

Thu 1/8

5:50 am-9:16 pm

2 stops25h 26m

$556

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Thu 10/23

5:30 pm-6:35 pm

1 stop15h 05m

Bucharest Otopeni Intl

Thu 11/6

5:50 am-10:15 pm

2 stops26h 25m

$557

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Sat 10/25

6:40 pm-12:05 pm

1 stop32h 25m

Bucharest Otopeni Intl

Mon 11/10

1:05 pm-1:10 pm

1 stop34h 05m

$557

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Tue 10/28

4:00 pm-6:25 pm

1 stop17h 25m

Bucharest Otopeni Intl

Sun 11/9

5:55 am-1:05 pm

1 stop17h 10m

$562

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Mon 11/24

3:00 pm-6:40 pm

1 stop17h 40m

Bucharest Otopeni Intl

Sat 12/13

5:55 am-1:05 pm

1 stop17h 10m

$562

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Wed 10/29

4:00 pm-6:40 pm

1 stop17h 40m

Bucharest Otopeni Intl

Sun 11/9

5:55 am-1:05 pm

1 stop17h 10m

$562

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Mon 11/24

3:00 pm-6:40 pm

1 stop17h 40m

Bucharest Otopeni Intl

Sun 12/7

5:55 am-1:05 pm

1 stop17h 10m

$562

Los AngelesBucharest

LAX - OTP

LAXOTP

Los Angeles

Mon 10/27

4:00 pm-6:40 pm

1 stop17h 40m

Bucharest Otopeni Intl

Sun 11/9

5:55 am-1:05 pm

1 stop17h 10m

$562

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/20

Showing 1-10 of 13 results
1
2

Best time to book a flight from Irvine to Bucharest

Have a flexible travel schedule? Discover the best time to fly to Bucharest 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

How far ahead should I book a flight from Irvine to Bucharest?

Use this chart to determine the optimal time to book a round-trip flight from Irvine to Bucharest. Price data was last updated on September 19, 2025.

The price you pay for your flight from Irvine to Bucharest may vary depending on when you book. For the best chance of a lower fare, look to book 70 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?

Currently, November is the cheapest month in which you can book a flight from Irvine to Bucharest (average of $604). Flying from Irvine to Bucharest in June is currently the most expensive (average of $1,128). 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 BUH?

Find hourly flight availability from Irvine to Bucharest. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 22, 2025.

When flying from Irvine to Bucharest, 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?

Use this chart to determine the cheapest time to fly round-trip from Irvine to Bucharest. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Irvine to Bucharest flight should consider departing on Monday at noon when fares are most often at their lowest. Monday mornings 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?

Reviews of airlines servicing Bucharest

Get insights into the airlines that provide service to Bucharest. 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 Bucharest. Reviews last updated September 22, 2025.
Get a feel of what it's like to fly with LOT, Austrian Airlines, and Turkish Airlines from Irvine to Bucharest by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
LOT
7.6
Good
1,119 reviews

Comfort

7.5

Crew

8.2

Food

7.2

Overall

7.6

Entertainment

7.0

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights
LOT
7.6
Good
1,119 reviews
LOT
7.6
Good
1,119 reviews

Comfort

7.5

Crew

8.2

Food

7.2

Overall

7.6

Entertainment

7.0

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights
Austrian Airlines
7.6
Good
851 reviews
LOT
7.6
Good
1,119 reviews

Comfort

7.5

Crew

8.2

Food

7.2

Overall

7.6

Entertainment

7.0

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights
Turkish Airlines
7.3
Good
3,975 reviews
LOT
7.6
Good
1,119 reviews

Comfort

7.5

Crew

8.2

Food

7.2

Overall

7.6

Entertainment

7.0

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights
Lufthansa
6.8
Okay
7,421 reviews
LOT
7.6
Good
1,119 reviews

Comfort

7.5

Crew

8.2

Food

7.2

Overall

7.6

Entertainment

7.0

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights
British Airways
6.7
Okay
7,386 reviews
LOT
7.6
Good
1,119 reviews

Comfort

7.5

Crew

8.2

Food

7.2

Overall

7.6

Entertainment

7.0

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights

Related info for your journey

Find useful and relevant information for your journey from Irvine to Bucharest. 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?

    Airlines like Delta and United Airlines fly from Irvine to Bucharest in about 17h 25m. The time it takes to get you to your destination can typically vary by up to 4h 40m. Airlines will cover a distance of 6568 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Irvine to Bucharest that include hotel bookings?

    Yes. In addition to deals on Irvine to Bucharest flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Irvine to Bucharest?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Irvine to Bucharest.

  • Can I find deals for business class flights from Irvine to Bucharest?

    Yes. Cheapflights offers flight deals from Irvine to Bucharest 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?

    Currently, November is the cheapest month in which you can book a flight from Irvine to Bucharest (average of $604). Flying from Irvine to Bucharest in June is currently the most expensive (average of $1,128). 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?

Book flights to Bucharest if you plan to visit one of these locations
Otopeni

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Top 10 airlines flying from Irvine to Bucharest

Discover the top 10 airlines that operate flights from Irvine to Bucharest. 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 September 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$443Average$723FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$481Average$646FlexibilityNo cancel feeOn-time77%
SWISSCheapest$494Average$625FlexibilityNo cancel feeOn-time79%
British AirwaysCheapest$499Average$731FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$502Average$704FlexibilityNo cancel feeOn-time71%
LOTCheapest$507Average$727FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$527Average$814FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$550Average$793FlexibilityNo cancel feeOn-time77%
KLMCheapest$552Average$854FlexibilityNo cancel feeOn-time75%
Austrian AirlinesCheapest$555Average$791FlexibilityNo cancel feeOn-time78%

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