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Otopeni Intl

$402+ 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 11/21. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — OTP
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 September 17, 2025.

Round-trip from

$573
(Expedia)

One-way from

$402
(Kiwi.com)

Popular in

June

Cheapest in

March

Average price

$681
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. 26% potential increase in price ($328 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($43 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 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 September 17, 2025.

This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/139:00 pmIAH - OTP
1 stop34h 25mBritish Airways
Mon 11/34:00 pmOTP - IAH
1 stop30h 05mBritish Airways
Deal found 9/15$597
This Mytrip deal was found by Cheapflights users on 9/17. 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 10/2310:00 amIAH - OTP
2 stops21h 20mMultiple Airlines
Thu 11/65:50 amOTP - IAH
1 stop16h 45mMultiple Airlines
Deal found 9/17$607
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 10/233:35 pmIAH - OTP
1 stop18h 20mLufthansa
Thu 11/65:50 amOTP - IAH
1 stop16h 45mLufthansa
Deal found 9/17$611
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/173:30 pmIAH - OTP
1 stop24h 20mBritish Airways
Mon 11/34:00 pmOTP - IAH
1 stop30h 05mBritish Airways
Deal found 9/15$623
This Gotogate deal was found by Cheapflights users on 9/16. 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.
Thu 10/239:00 pmIAH - OTP
1 stop15h 25mTurkish Airlines
Thu 11/610:10 amOTP - IAH
1 stop17h 00mTurkish Airlines
Deal found 9/16$638
This Booking.com deal was found by Cheapflights users on 9/17. 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.
Thu 10/29:00 pmIAH - OTP
1 stop33h 35mTurkish Airlines
Fri 10/109:30 amOTP - IAH
1 stop17h 35mTurkish Airlines
Deal found 9/17$639
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.
Mon 10/134:20 pmIAH - OTP
2 stops18h 15mUnited Airlines
Mon 11/32:50 pmOTP - IAH
2 stops38h 49mUnited Airlines
Deal found 9/15$649
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/229:00 pmIAH - OTP
1 stop15h 20mBritish Airways
Mon 10/274:00 pmOTP - IAH
2 stops39h 35mBritish Airways
Deal found 9/15$652
This Expedia deal was found by Cheapflights users on 9/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1311:22 amIAH - OTP
2 stops19h 43mBritish Airways
Mon 1/128:25 pmOTP - IAH
1 stop25h 40mBritish Airways
Deal found 9/17$653
This American Airlines deal was found by Cheapflights users on 9/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/252:24 pmHOU - OTP
2 stops17h 41mAmerican Airlines
Sun 11/27:35 amOTP - HOU
2 stops24h 22mAmerican Airlines
Deal found 9/17$686
This Delta deal was found by Cheapflights users on 9/16. 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 10/236:00 amHOU - OTP
2 stops22h 10mDelta
Thu 11/66:05 amOTP - HOU
2 stops24h 55mDelta
Deal found 9/16$705
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/252:24 pmHOU - OTP
2 stops17h 41mBritish Airways
Sun 11/27:35 amOTP - HOU
2 stops24h 22mBritish Airways
Deal found 9/14$722

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 September 17, 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

Sun 3/1

3:50 pm-2:55 pm

1 stop15h 05m

Bucharest Otopeni Intl

Tue 3/31

8:25 am-7:15 pm

1 stop18h 50m

$573

HoustonBucharest

IAH - OTP

IAHOTP

Houston George Bush Intcntl

Mon 10/13

9:00 pm-3:25 pm

1 stop34h 25m

Bucharest Otopeni Intl

Mon 11/3

4:00 pm-2:05 pm

1 stop30h 05m

$597

HoustonBucharest

IAH - OTP

IAHOTP

Houston George Bush Intcntl

Thu 10/23

10:00 am-3:20 pm

2 stops21h 20m

Bucharest Otopeni Intl

Thu 11/6

5:50 am-2:35 pm

1 stop16h 45m

$607

HoustonBucharest

IAH - OTP

IAHOTP

Houston George Bush Intcntl

Wed 2/25

3:50 pm-3:45 pm

1 stop15h 55m

Bucharest Otopeni Intl

Sun 3/1

4:10 pm-2:05 pm

1 stop29h 55m

$623

HoustonBucharest

IAH - OTP

IAHOTP

Houston George Bush Intcntl

Fri 10/17

3:30 pm-11:50 pm

1 stop24h 20m

Bucharest Otopeni Intl

Mon 11/3

4:00 pm-2:05 pm

1 stop30h 05m

$623

HoustonBucharest

IAH - OTP

IAHOTP

Houston George Bush Intcntl

Thu 10/23

10:00 am-3:20 pm

2 stops21h 20m

Bucharest Otopeni Intl

Thu 11/6

5:50 am-9:44 pm

2 stops47h 54m

$649

HoustonBucharest

HOU - OTP

HOUOTP

Houston Hobby

Sat 10/25

2:24 pm-4:05 pm

2 stops17h 41m

Bucharest Otopeni Intl

Sun 11/2

7:35 am-12:57 am

2 stops24h 22m

$686

HoustonBucharest

HOU - OTP

HOUOTP

Houston Hobby

Thu 10/23

6:00 am-12:10 pm

2 stops22h 10m

Bucharest Otopeni Intl

Thu 11/6

6:05 am-11:00 pm

2 stops24h 55m

$705

HoustonBucharest

HOU - OTP

HOUOTP

Houston Hobby

Sat 10/25

2:24 pm-4:05 pm

2 stops17h 41m

Bucharest Otopeni Intl

Sun 11/2

7:35 am-12:57 am

2 stops24h 22m

$722

HoustonBucharest

HOU - OTP

HOUOTP

Houston Hobby

Mon 10/13

6:00 am-1:00 pm

2 stops23h 00m

Bucharest Otopeni Intl

Mon 11/3

6:05 am-11:00 pm

2 stops24h 55m

$758

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 20 results
1
2

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, November is the cheapest month in which you can book a flight from Houston to Bucharest Otopeni Intl Airport (average of $604). Flying from Houston 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 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 September 17, 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 in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 46% 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 September 17, 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
7.8
Good
1,386 reviews

Crew

8.4

Comfort

7.7

Entertainment

7.2

Overall

7.8

Boarding

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
KLM
7.8
Good
1,386 reviews
KLM
7.8
Good
1,386 reviews

Crew

8.4

Comfort

7.7

Entertainment

7.2

Overall

7.8

Boarding

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
United Airlines
7.4
Good
8,926 reviews
KLM
7.8
Good
1,386 reviews

Crew

8.4

Comfort

7.7

Entertainment

7.2

Overall

7.8

Boarding

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
Turkish Airlines
7.3
Good
3,965 reviews
KLM
7.8
Good
1,386 reviews

Crew

8.4

Comfort

7.7

Entertainment

7.2

Overall

7.8

Boarding

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
Lufthansa
6.8
Okay
7,409 reviews
KLM
7.8
Good
1,386 reviews

Crew

8.4

Comfort

7.7

Entertainment

7.2

Overall

7.8

Boarding

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

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?

    British Airways, American Airlines, and Delta can get you from Houston to Bucharest Otopeni Intl Airport in just under 15h 05m. Your travel time can differ by up to 7h 05m. 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 33% 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, November is the cheapest month in which you can book a flight from Houston to Bucharest Otopeni Intl Airport (average of $604). Flying from Houston 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

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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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$591Average$937FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$607Average$1,152FlexibilityNo cancel feeOn-time76%
KLMCheapest$645Average$987FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$669Average$921FlexibilityNo cancel feeOn-time69%

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