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Otopeni Intl

$270+ Cheap flights from George Bush Intcntl (IAH) 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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — OTP
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
1 adult, Economy
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Find flight deals from George Bush Intcntl to Otopeni Intl

Cheapest flights from George Bush Intcntl to Otopeni Intl
Explore the most affordable flight options available from George Bush Intcntl to Otopeni Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2025.

This Booking.com deal was found by Cheapflights users on 11/19. 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.
Fri 12/510:41 amIAH - OTP
3 stops21h 09mMultiple Airlines
Tue 12/96:30 amOTP - IAH
3 stops33h 55mMultiple Airlines
Deal found 11/19$694
This Cheapflightsfares deal was found by Cheapflights users on 11/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/103:50 pmIAH - OTP
1 stop20h 10mBritish Airways
Thu 2/199:00 pmOTP - IAH
1 stop25h 05mBritish Airways
Deal found 11/20$731
This oojo deal was found by Cheapflights users on 11/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/103:50 pmIAH - OTP
1 stop20h 10mBritish Airways
Tue 2/104:40 pmOTP - IAH
1 stop29h 25mBritish Airways
Deal found 11/20$745
This KAYAK deal was found by Cheapflights users on 11/20. 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.
Sun 12/73:50 pmIAH - OTP
1 stop23h 55mBritish Airways
Fri 2/208:20 pmOTP - IAH
1 stop31h 40mBritish Airways
Deal found 11/20$758
This United Airlines deal was found by Cheapflights users on 11/20. 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 12/84:43 pmIAH - OTP
2 stops17h 52mUnited Airlines
Tue 2/175:55 amOTP - IAH
1 stop20h 20mUnited Airlines
Deal found 11/20$763
This oojo deal was found by Cheapflights users on 11/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/104:45 pmIAH - OTP
2 stops19h 15mBritish Airways
Thu 1/298:00 amOTP - IAH
2 stops22h 24mBritish Airways
Deal found 11/20$768
This United Airlines deal was found by Cheapflights users on 11/20. 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 12/84:43 pmIAH - OTP
2 stops17h 52mUnited Airlines
Mon 2/165:55 amOTP - IAH
2 stops19h 23mUnited Airlines
Deal found 11/20$773
This KAYAK deal was found by Cheapflights users on 11/20. 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 12/94:20 pmIAH - OTP
2 stops24h 45mLufthansa
Wed 1/286:05 amOTP - IAH
1 stop20h 10mLufthansa
Deal found 11/20$775
This United Airlines deal was found by Cheapflights users on 11/20. 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 12/74:43 pmIAH - OTP
2 stops23h 07mUnited Airlines
Mon 1/265:55 amOTP - IAH
1 stop20h 20mUnited Airlines
Deal found 11/20$776

Cheap flight deals from George Bush Intcntl to Otopeni Intl

Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) 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 20, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$643
(FlightHub)

One-way from

$270
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$737
Provider with most accurate pricing for Houston George Bush Intcntl-Bucharest Otopeni Intl flight deals.
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Provider most trusted by Cheapflights users for Houston George Bush Intcntl-Bucharest Otopeni Intl flights.
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From Houston George Bush Intcntl to Bucharest Otopeni Intl
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One-way flight from Houston George Bush Intcntl to Bucharest Otopeni Intl
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Highest demand for flights based on searches. 28% potential increase in price ($376 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($44 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from George Bush Intcntl 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 20, 2025.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Bucharest Otopeni Intl Airport that are best for you.

Fly from

George Bush Intcntl

Fly to

Otopeni Intl

Route

Depart

Return

Price

HoustonBucharest

IAH - OTP

IAHOTP

Houston George Bush Intcntl

Sun 1/25

9:05 pm-2:10 pm

1 stop33h 05m

Bucharest Otopeni Intl

Sat 2/14

9:50 pm-7:10 pm

1 stop29h 20m

$643

HoustonBucharest

IAH - OTP

IAHOTP

Houston George Bush Intcntl

Fri 12/5

10:41 am-3:50 pm

3 stops21h 09m

Bucharest Otopeni Intl

Tue 12/9

6:30 am-8:25 am

3 stops33h 55m

$694

HoustonBucharest

IAH - OTP

IAHOTP

Houston George Bush Intcntl

Thu 1/29

9:05 pm-8:30 pm

1 stop15h 25m

Bucharest Otopeni Intl

Mon 2/2

9:55 pm-7:10 pm

1 stop29h 15m

$710

HoustonBucharest

IAH - OTP

IAHOTP

Houston George Bush Intcntl

Wed 12/10

3:50 pm-8:00 pm

1 stop20h 10m

Bucharest Otopeni Intl

Thu 1/29

9:00 pm-2:05 pm

1 stop25h 05m

$731

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-6:15 pm

1 stop20h 20m

$753

HoustonBucharest

IAH - OTP

IAHOTP

Houston George Bush Intcntl

Tue 12/9

3:50 pm-2:45 pm

1 stop14h 55m

Bucharest Otopeni Intl

Tue 1/27

4:40 pm-2:05 pm

1 stop29h 25m

$758

HoustonBucharest

IAH - OTP

IAHOTP

Houston George Bush Intcntl

Sun 12/7

9:50 pm-7:35 pm

1 stop13h 45m

Bucharest Otopeni Intl

Sat 2/21

8:05 am-2:05 pm

1 stop38h 00m

$758

HoustonBucharest

IAH - OTP

IAHOTP

Houston George Bush Intcntl

Thu 12/11

3:50 pm-7:30 pm

1 stop19h 40m

Bucharest Otopeni Intl

Mon 2/16

8:25 pm-2:05 pm

1 stop25h 40m

$758

HoustonBucharest

IAH - OTP

IAHOTP

Houston George Bush Intcntl

Mon 12/8

9:45 pm-11:00 pm

1 stop17h 15m

Bucharest Otopeni Intl

Sun 2/22

7:35 am-8:00 pm

1 stop20h 25m

$758

HoustonBucharest

IAH - OTP

IAHOTP

Houston George Bush Intcntl

Wed 12/10

3:50 pm-3:45 pm

1 stop15h 55m

Bucharest Otopeni Intl

Mon 2/16

4:00 pm-2:05 pm

1 stop30h 05m

$758

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 13 results
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Compare providers for flights from George Bush Intcntl to Otopeni Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from George Bush Intcntl to Otopeni Intl in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Houston George Bush Intcntl Airport-Bucharest Otopeni Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Houston George Bush Intcntl Airport-Bucharest Otopeni Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Houston George Bush Intcntl Airport-Bucharest Otopeni Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Houston George Bush Intcntl Airport-Bucharest Otopeni Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Houston George Bush Intcntl Airport-Bucharest Otopeni Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from George Bush Intcntl to Otopeni Intl

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

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

Currently, January is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Bucharest Otopeni Intl Airport (average of $539). Flying from Houston George Bush Intcntl Airport to Bucharest Otopeni Intl Airport in December is currently the most expensive (average of $966). 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 IAH to OTP?

Find hourly flight availability from George Bush Intcntl 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 20, 2025.

It’s typically best to fly out from Houston George Bush Intcntl Airport to Bucharest Otopeni Intl Airport in the evening. Doing so could potentially save you 32% on the flight price compared to flying at noon, which is usually more expensive.

How much does it cost to fly round-trip from Houston George Bush Intcntl Airport 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 November 20, 2025.
Read reviews from past customers who have flown KLM, United Airlines, and Turkish Airlines from Houston George Bush Intcntl Airport to Bucharest Otopeni Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,414 reviews

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Crew

8.4

Overall

7.7

Food

7.3

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
1,414 reviews
KLM
7.7
Good
1,414 reviews

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Crew

8.4

Overall

7.7

Food

7.3

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
9,029 reviews
KLM
7.7
Good
1,414 reviews

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Crew

8.4

Overall

7.7

Food

7.3

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
4,044 reviews
KLM
7.7
Good
1,414 reviews

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Crew

8.4

Overall

7.7

Food

7.3

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
7,579 reviews
KLM
7.7
Good
1,414 reviews

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Crew

8.4

Overall

7.7

Food

7.3

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 George Bush Intcntl 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 George Bush Intcntl Airport to Bucharest Otopeni Intl Airport?

    Turkish Airlines can get you from Houston George Bush Intcntl Airport to Bucharest Otopeni Intl Airport in just under 33h 05m. Your travel time can differ by up to . Houston George Bush Intcntl Airport and Bucharest Otopeni Intl Airport are separated by a distance of 6100 mi.

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

    Flying on Turkish Airlines is currently your cheapest option to Bucharest Otopeni Intl Airport, with prices starting at $629. Additional round-trip tickets that might be worth considering are offered by KLM and Lufthansa, with the lowest prices starting at $645 and $659, respectively. Turkish Airlines is 31% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

  • How can I find direct flights from George Bush Intcntl to Otopeni Intl?

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

  • Can I find deals for business class flights from George Bush Intcntl to Otopeni Intl?

    Yes. Cheapflights offers flight deals from George Bush Intcntl 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 George Bush Intcntl Airport to Bucharest Otopeni Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Bucharest Otopeni Intl Airport (average of $539). Flying from Houston George Bush Intcntl Airport to Bucharest Otopeni Intl Airport in December is currently the most expensive (average of $966). 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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Alternative routes for George Bush Intcntl to Otopeni Intl

See prices for flight routes from nearby airports that may be better suited for you.
Hobby to Otopeni Intl flights

Top 4 airlines flying from George Bush Intcntl to Otopeni Intl

Discover the top 4 airlines that operate flights from George Bush Intcntl 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 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$629Average$1,131FlexibilityNo cancel feeOn-time77%
KLMCheapest$645Average$879FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$659Average$1,149FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$669Average$1,031FlexibilityNo cancel feeOn-time69%

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