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Otopeni Intl

$341+ Cheap flights from Houston 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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — OTP
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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Cheap flight deals from Houston to Otopeni Intl

Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) to Otopeni Intl (OTP). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 6, 2025.

Round-trip from

$569
(FlightHub)

One-way from

$341
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$665
From Houston to Bucharest Otopeni Intl
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One-way flight from Houston to Bucharest Otopeni Intl
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Highest demand for flights based on searches. 13% potential increase in price ($148 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($48 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Houston to Otopeni Intl

Cheapest flights from Houston to Otopeni Intl
Explore the most affordable flight options available from Houston to Otopeni Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 6, 2025.

This Gotogate deal was found by Cheapflights users on 11/5. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/302:55 pmIAH - OTP
1 stop15h 15mTurkish Airlines
Tue 12/169:50 pmOTP - IAH
1 stop29h 20mTurkish Airlines
Deal found 11/5$630
This KAYAK deal was found by Cheapflights users on 11/6. 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.
Sun 11/162:55 pmIAH - OTP
1 stop15h 15mTurkish Airlines
Tue 11/253:30 pmOTP - IAH
1 stop35h 40mTurkish Airlines
Deal found 11/6$674
This Mytrip deal was found by Cheapflights users on 11/6. 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.
Thu 12/412:10 pmIAH - OTP
2 stops19h 00mMultiple Airlines
Thu 12/116:00 amOTP - IAH
2 stops23h 39mMultiple Airlines
Deal found 11/6$675
This Ovago deal was found by Cheapflights users on 11/6. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/162:55 pmIAH - OTP
1 stop15h 15mTurkish Airlines
Mon 11/2410:15 amOTP - IAH
1 stop16h 55mTurkish Airlines
Deal found 11/6$692
This Ovago deal was found by Cheapflights users on 11/6. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/162:55 pmIAH - OTP
1 stop21h 35mTurkish Airlines
Sun 11/239:50 pmOTP - IAH
1 stop29h 20mTurkish Airlines
Deal found 11/6$712
This KAYAK deal was found by Cheapflights users on 11/6. 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.
Sun 11/162:55 pmIAH - OTP
1 stop15h 15mTurkish Airlines
Sat 11/2210:10 amOTP - IAH
1 stop35h 00mTurkish Airlines
Deal found 11/6$734
This Cheapflightsfares deal was found by Cheapflights users on 11/6. 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.
Tue 11/185:10 pmIAH - OTP
2 stops17h 25mLufthansa
Tue 11/255:55 amOTP - IAH
1 stop16h 40mLufthansa
Deal found 11/6$740
This Cheapflightsfares deal was found by Cheapflights users on 11/6. 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 12/49:50 pmIAH - OTP
1 stop17h 55mBritish Airways
Thu 12/118:00 amOTP - IAH
1 stop20h 00mBritish Airways
Deal found 11/6$745
This KAYAK deal was found by Cheapflights users on 11/5. 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.
Wed 12/33:50 pmIAH - OTP
1 stop15h 55mBritish Airways
Mon 12/158:25 pmOTP - IAH
1 stop25h 40mBritish Airways
Deal found 11/5$748
This Delta deal was found by Cheapflights users on 11/5. 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.
Sun 11/306:00 amHOU - OTP
2 stops22h 05mDelta
Tue 12/166:05 amOTP - HOU
2 stops24h 43mDelta
Deal found 11/5$847
This Delta deal was found by Cheapflights users on 11/6. 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 12/186:00 amHOU - OTP
2 stops23h 00mDelta
Tue 12/306:00 amOTP - HOU
2 stops19h 50mDelta
Deal found 11/6$2,440
This Delta deal was found by Cheapflights users on 11/5. 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.
Sat 12/206:40 pmHOU - OTP
2 stops20h 10mDelta
Sat 12/276:00 amOTP - HOU
2 stops25h 11mDelta
Deal found 11/5$3,141

Cheapflights Fare Finder

 
Customize your flight search to find flights from Houston 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 November 6, 2025.
Use the filters below to find and compare flights from Houston to Bucharest Otopeni Intl Airport that are best for you.

Fly from

Houston

Fly to

Otopeni Intl

Route

Depart

Return

Price

HoustonBucharest

IAH - OTP

IAHOTP

Houston George Bush Intcntl

Thu 2/12

9:05 pm-8:30 pm

1 stop15h 25m

Bucharest Otopeni Intl

Thu 2/19

3:30 pm-7:10 pm

1 stop35h 40m

$632

HoustonBucharest

IAH - OTP

IAHOTP

Houston George Bush Intcntl

Sun 1/25

2:55 pm-8:30 pm

1 stop21h 35m

Bucharest Otopeni Intl

Sat 2/14

10:10 am-7:10 pm

1 stop17h 00m

$642

HoustonBucharest

IAH - OTP

IAHOTP

Houston George Bush Intcntl

Thu 12/4

12:10 pm-3:10 pm

2 stops19h 00m

Bucharest Otopeni Intl

Thu 12/11

6:00 am-9:39 pm

2 stops23h 39m

$675

HoustonBucharest

IAH - OTP

IAHOTP

Houston George Bush Intcntl

Fri 3/13

10:05 pm-8:30 pm

1 stop15h 25m

Bucharest Otopeni Intl

Sat 3/21

3:30 pm-8:10 pm

1 stop35h 40m

$690

HoustonBucharest

IAH - OTP

IAHOTP

Houston George Bush Intcntl

Thu 2/12

9:05 pm-8:30 pm

1 stop15h 25m

Bucharest Otopeni Intl

Sun 2/15

3:30 pm-7:10 pm

1 stop35h 40m

$692

HoustonBucharest

IAH - OTP

IAHOTP

Houston George Bush Intcntl

Wed 2/25

9:05 pm-8:30 pm

1 stop15h 25m

Bucharest Otopeni Intl

Sun 3/1

3:30 pm-7:10 pm

1 stop35h 40m

$730

HoustonBucharest

IAH - OTP

IAHOTP

Houston George Bush Intcntl

Sun 1/25

11:55 am-2:05 pm

2 stops18h 10m

Bucharest Otopeni Intl

Sat 2/14

5:55 am-2:10 pm

1 stop16h 15m

$754

HoustonBucharest

IAH - OTP

IAHOTP

Houston George Bush Intcntl

Mon 11/17

4:05 pm-10:50 pm

1 stop22h 45m

Bucharest Otopeni Intl

Thu 11/27

6:00 am-1:30 pm

1 stop15h 30m

$759

HoustonBucharest

IAH - OTP

IAHOTP

Houston George Bush Intcntl

Tue 2/10

12:10 pm-3:50 pm

2 stops43h 40m

Bucharest Otopeni Intl

Wed 2/18

6:05 am-9:39 pm

2 stops23h 34m

$760

HoustonBucharest

IAH - OTP

IAHOTP

Houston George Bush Intcntl

Tue 11/18

5:10 pm-6:35 pm

2 stops17h 25m

Bucharest Otopeni Intl

Wed 11/26

6:05 am-2:35 pm

1 stop16h 30m

$762

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 29 results
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Best time to book a flight from Houston to Otopeni Intl

Have a flexible travel schedule? Discover the best time to fly to Otopeni Intl from Houston 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 Houston to Bucharest Otopeni Intl Airport

What is the cheapest month to book a flight from Houston to Bucharest Otopeni Intl Airport?

Currently, January is the cheapest month in which you can book a flight from Houston to Bucharest Otopeni Intl Airport (average of $539). Flying from Houston to Bucharest Otopeni Intl Airport in June is currently the most expensive (average of $942). 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 HOU to OTP?

Find hourly flight availability from Houston 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 November 6, 2025.

One of the essential ways to save on airfare from Houston to Bucharest Otopeni Intl Airport is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 34% on airfare.

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 November 6, 2025.
Peruse reviews from past customers who have flown with KLM, United Airlines, and Turkish Airlines from Houston to Bucharest Otopeni Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,405 reviews

Entertainment

7.1

Food

7.3

Comfort

7.7

Crew

8.4

Boarding

7.8

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,405 reviews
KLM
7.7
Good
1,405 reviews

Entertainment

7.1

Food

7.3

Comfort

7.7

Crew

8.4

Boarding

7.8

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
United Airlines
7.4
Good
9,003 reviews
KLM
7.7
Good
1,405 reviews

Entertainment

7.1

Food

7.3

Comfort

7.7

Crew

8.4

Boarding

7.8

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Turkish Airlines
7.3
Good
4,031 reviews
KLM
7.7
Good
1,405 reviews

Entertainment

7.1

Food

7.3

Comfort

7.7

Crew

8.4

Boarding

7.8

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Lufthansa
6.8
Okay
7,555 reviews
KLM
7.7
Good
1,405 reviews

Entertainment

7.1

Food

7.3

Comfort

7.7

Crew

8.4

Boarding

7.8

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

Find useful and relevant information for your journey from Houston 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 Houston to Bucharest Otopeni Intl Airport?

    Turkish Airlines and Delta can get you from Houston to Bucharest Otopeni Intl Airport in just under 15h 25m. Your travel time can differ by up to 6h 40m. Airlines will cover a distance of 6100 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Houston to Bucharest Otopeni Intl Airport round-trip?

    Cheapflights users have booked flights from Houston to Bucharest Otopeni Intl Airport round-trip from $591. Other airlines that can offer you cheap pricing are Lufthansa, from $607, and KLM, from $645. Turkish Airlines is 36% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Houston to Otopeni Intl that include hotel bookings?

    Yes. In addition to deals on Houston to Otopeni Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Houston to Otopeni Intl?

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

  • Can I find deals for business class flights from Houston to Otopeni Intl?

    Yes. Cheapflights offers flight deals from Houston 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 Houston to Bucharest Otopeni Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Houston to Bucharest Otopeni Intl Airport (average of $539). Flying from Houston to Bucharest Otopeni Intl Airport in June is currently the most expensive (average of $942). 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

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Top 4 airlines flying from Houston to Otopeni Intl

Discover the top 4 airlines that operate flights from Houston 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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$591Average$930FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$607Average$1,167FlexibilityNo cancel feeOn-time76%
KLMCheapest$645Average$999FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$669Average$928FlexibilityNo cancel feeOn-time69%

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