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Otopeni Intl

$527+ Cheap flights from Missouri 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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — OTP
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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Cheap flight deals from Missouri to Otopeni Intl

Keep the following information in mind while searching for Missouri to Otopeni Intl flight deals. Data was last updated November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$530
(Cheapflightsfares)

One-way from

$527
(Cheapflightsfares)

Popular in

March

Cheapest in

November

Average price

$475
Provider with most accurate pricing for Lambert-St Louis-Bucharest (BUH) flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Bucharest (BUH) flights.
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From Missouri to Bucharest Otopeni Intl
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One-way flight from Missouri to Bucharest Otopeni Intl
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Highest demand for flights based on searches. 50% potential increase in price ($1,354 potential increase over avg. RT price).
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Cheapest flight prices on average. 32% potential price decrease ($323 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 Missouri to Otopeni Intl

Cheapest flights from Missouri to Otopeni Intl
Explore the most affordable flight options available from Missouri to Otopeni Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2025.

This Orbitz deal was found by Cheapflights users on 11/13. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/111:40 pmMCI - OTP
2 stops18h 05mBritish Airways
Thu 12/188:00 amOTP - MCI
2 stops22h 11mBritish Airways
Deal found 11/13$732
This Mytrip deal was found by Cheapflights users on 11/11. 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.
Wed 11/264:05 pmSTL - OTP
3 stops20h 40mMultiple Airlines
Tue 12/210:50 amOTP - STL
2 stops35h 05mMultiple Airlines
Deal found 11/11$745
This KLM deal was found by Cheapflights users on 11/11. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/262:36 pmSTL - OTP
2 stops16h 49mKLM
Tue 12/28:35 amOTP - STL
2 stops20h 12mKLM
Deal found 11/11$754
This Ovago deal was found by Cheapflights users on 11/11. 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 11/263:50 pmSTL - OTP
1 stop18h 50mLufthansa
Tue 12/22:50 pmOTP - STL
1 stop31h 05mLufthansa
Deal found 11/11$756
This Ovago deal was found by Cheapflights users on 11/12. 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.
Tue 12/26:27 pmMCI - OTP
2 stops16h 08mLufthansa
Mon 1/127:20 pmOTP - MCI
2 stops34h 39mLufthansa
Deal found 11/12$757
This United Airlines deal was found by Cheapflights users on 11/11. 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.
Fri 11/289:00 amCOU - OTP
2 stops25h 35mUnited Airlines
Tue 12/22:50 pmOTP - COU
2 stops37h 39mUnited Airlines
Deal found 11/11$766
This United Airlines deal was found by Cheapflights users on 11/12. 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.
Thu 12/46:00 amMCI - OTP
2 stops33h 50mUnited Airlines
Fri 1/92:50 pmOTP - MCI
2 stops31h 32mUnited Airlines
Deal found 11/12$779
This Mytrip deal was found by Cheapflights users on 11/13. 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 12/1110:35 amSGF - OTP
2 stops24h 55mBritish Airways
Thu 12/188:00 amOTP - SGF
2 stops39h 12mBritish Airways
Deal found 11/13$797
This Air Canada deal was found by Cheapflights users on 11/13. 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.
Thu 12/410:00 amMCI - OTP
3 stops18h 30mAir Canada
Fri 1/96:55 amOTP - MCI
3 stops23h 04mAir Canada
Deal found 11/13$1,129
This Ovago deal was found by Cheapflights users on 11/13. 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.
Thu 12/1111:36 amMCI - OTP
2 stops18h 29mLufthansa
Thu 12/185:50 amOTP - MCI
2 stops24h 00mLufthansa
Deal found 11/13$1,270
This Mytrip deal was found by Cheapflights users on 11/13. 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 12/116:30 amMCI - OTP
3 stops24h 40mMultiple Airlines
Thu 12/182:35 pmOTP - MCI
3 stops34h 35mMultiple Airlines
Deal found 11/13$1,411
This United Airlines deal was found by Cheapflights users on 11/13. 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.
Thu 12/119:00 amSGF - OTP
2 stops21h 05mUnited Airlines
Thu 12/185:50 amOTP - SGF
3 stops19h 48mUnited Airlines
Deal found 11/13$1,483

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri 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 13, 2025.
Use the filters below to find and compare flights from Missouri to Bucharest Otopeni Intl Airport that are best for you.

Fly from

Missouri

Fly to

Otopeni Intl

Route

Depart

Return

Price

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Wed 1/7

6:40 pm-1:05 am

2 stops22h 25m

Bucharest Otopeni Intl

Wed 1/21

6:05 am-1:55 pm

1 stop15h 50m

$530

SpringfieldBucharest

SGF - OTP

SGFOTP

Springfield-Branson

Thu 1/8

3:14 pm-1:05 am

2 stops25h 51m

Bucharest Otopeni Intl

Sat 1/24

5:55 am-9:58 pm

2 stops24h 03m

$540

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Fri 1/9

6:25 am-1:50 pm

2 stops23h 25m

Bucharest Otopeni Intl

Wed 1/21

6:00 am-4:39 pm

2 stops18h 39m

$548

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Thu 1/8

9:45 am-12:05 pm

2 stops18h 20m

Bucharest Otopeni Intl

Tue 1/20

6:00 am-8:06 pm

2 stops22h 06m

$548

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Wed 1/7

6:25 am-12:05 pm

2 stops21h 40m

Bucharest Otopeni Intl

Sat 1/24

6:00 am-7:27 pm

2 stops21h 27m

$548

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Fri 1/9

6:25 am-1:50 pm

2 stops23h 25m

Bucharest Otopeni Intl

Thu 1/22

6:00 am-8:39 pm

2 stops22h 39m

$548

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Wed 1/7

9:45 am-12:05 pm

2 stops18h 20m

Bucharest Otopeni Intl

Sun 1/18

6:00 am-9:38 pm

2 stops23h 38m

$548

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Wed 1/7

6:25 am-12:05 pm

2 stops21h 40m

Bucharest Otopeni Intl

Tue 1/20

6:00 am-8:45 pm

2 stops22h 45m

$548

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Thu 1/8

6:00 am-12:05 pm

2 stops22h 05m

Bucharest Otopeni Intl

Fri 1/23

6:00 am-11:25 pm

2 stops25h 25m

$548

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Fri 1/9

6:25 am-1:50 pm

2 stops23h 25m

Bucharest Otopeni Intl

Sat 1/24

6:00 am-5:31 pm

2 stops19h 31m

$548

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/13

Showing 1-10 of 32 results
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Best time to book a flight from Missouri to Otopeni Intl

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

What is the cheapest time of day to fly from MO to OTP?

Find hourly flight availability from Missouri 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 13, 2025.

One of the essential ways to save on airfare from Missouri 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 evening could potentially save you up to 16% on airfare.

Related info for your journey

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

    Airlines like Lufthansa, Delta, and United Airlines fly from Missouri to Bucharest Otopeni Intl Airport in about 21h 15m. The time it takes to get you to your destination can typically vary by up to 2h 10m. Missouri and Bucharest Otopeni Intl Airport are separated by a distance of 5636 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Missouri to Bucharest Otopeni Intl Airport?

    The most popular route from Missouri to Bucharest Otopeni Intl Airport is Kansas City - Bucharest Otopeni Intl. You may also consider Lambert-St Louis - Bucharest Otopeni Intl or Springfield-Branson - Bucharest Otopeni Intl.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Missouri 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.

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 Missouri to Otopeni Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Missouri to Otopeni Intl

Discover the top 2 airlines that operate flights from Missouri 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 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$780Average$1,055FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$784Average$960FlexibilityNo cancel feeOn-time69%

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