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$586+ Cheap flights from Missouri to Romania

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
STL — OTP
Oct 30 — Nov 61
Thu 10/30
Thu 11/6
1 adult, Economy
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Cheap flight deals from Missouri to Romania

Keep the following information in mind while searching for Missouri to Romania flight deals. Data was last updated September 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$586
(Billigflug)
Provider with most accurate pricing for Lambert-St Louis-Bucharest (BUH) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Bucharest (BUH) flights.
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From Missouri to Romania
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Find flight deals from Missouri to Romania

Cheapest flights from Missouri to Romania
Explore the most affordable flight options available from Missouri to Romania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 30, 2025.

This Billigflug deal was found by Cheapflights users on 9/30. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/36:43 pmMCI - OTP
2 stops22h 22mMultiple Airlines
Tue 11/115:55 amOTP - MCI
2 stops16h 26mMultiple Airlines
Deal found 9/30$586
This FlightHub deal was found by Cheapflights users on 9/29. 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.
Tue 12/26:05 amMCI - OTP
2 stops24h 40mBritish Airways
Mon 1/128:25 pmOTP - MCI
2 stops34h 14mBritish Airways
Deal found 9/29$613
This KAYAK deal was found by Cheapflights users on 9/28. 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.
Mon 11/36:43 pmSTL - CLJ
2 stops22h 12mMultiple Airlines
Mon 11/103:25 pmCLJ - STL
2 stops38h 15mMultiple Airlines
Deal found 9/28$627
This United Airlines deal was found by Cheapflights users on 9/29. 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 11/149:05 amMCI - OTP
2 stops30h 45mUnited Airlines
Fri 11/215:55 amOTP - MCI
2 stops24h 33mUnited Airlines
Deal found 9/29$660
This British Airways deal was found by Cheapflights users on 9/29. 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.
Wed 11/56:20 pmSGF - OTP
2 stops21h 10mBritish Airways
Sun 11/97:35 amOTP - SGF
2 stops22h 53mBritish Airways
Deal found 9/29$691
This United Airlines deal was found by Cheapflights users on 9/30. 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 12/411:36 amMCI - OTP
2 stops28h 14mUnited Airlines
Fri 1/95:55 amOTP - MCI
2 stops24h 04mUnited Airlines
Deal found 9/30$698
This FlightHub deal was found by Cheapflights users on 9/29. 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.
Thu 12/43:39 pmMCI - OTP
2 stops19h 51mBritish Airways
Fri 1/98:00 amOTP - MCI
2 stops22h 39mBritish Airways
Deal found 9/29$701
This Delta deal was found by Cheapflights users on 9/30. 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.
Tue 10/143:35 pmSGF - OTP
2 stops36h 35mDelta
Fri 12/56:00 amOTP - SGF
2 stops20h 13mDelta
Deal found 9/30$776
This Delta deal was found by Cheapflights users on 9/30. 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 10/126:00 amSGF - OTP
2 stops23h 00mDelta
Wed 12/36:00 amOTP - SGF
2 stops24h 15mDelta
Deal found 9/30$780
This Delta deal was found by Cheapflights users on 9/30. 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.
Tue 10/143:35 pmSGF - OTP
2 stops36h 35mDelta
Mon 12/11:55 pmOTP - SGF
2 stops57h 28mDelta
Deal found 9/30$782
This Delta deal was found by Cheapflights users on 9/30. 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 10/126:00 amSGF - OTP
2 stops23h 00mDelta
Mon 12/11:55 pmOTP - SGF
2 stops57h 28mDelta
Deal found 9/30$786
This KAYAK deal was found by Cheapflights users on 9/30. 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 10/124:19 pmSGF - OTP
2 stops24h 26mBritish Airways
Tue 12/24:40 pmOTP - SGF
2 stops36h 08mBritish Airways
Deal found 9/30$810

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri to Romania 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 30, 2025.
Use the filters below to find and compare flights from Missouri to Romania that are best for you.

Fly from

Missouri

Fly to

Romania

Route

Depart

Return

Price

Kansas CityBucharest

MCI - OTP

MCIOTP

Kansas City

Mon 11/3

6:43 pm-1:05 am

2 stops22h 22m

Bucharest Otopeni Intl

Tue 11/11

5:55 am-2:21 pm

2 stops16h 26m

$586

Kansas CityBucharest

MCI - OTP

MCIOTP

Kansas City

Tue 12/2

6:05 am-2:45 pm

2 stops24h 40m

Bucharest Otopeni Intl

Mon 1/12

8:25 pm-10:39 pm

2 stops34h 14m

$613

St. LouisCluj Napoca

STL - CLJ

STLCLJ

Lambert-St Louis

Mon 11/3

6:43 pm-12:55 am

2 stops22h 12m

Cluj Napoca

Mon 11/10

3:25 pm-9:40 pm

2 stops38h 15m

$627

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Fri 3/27

4:50 pm-2:10 pm

1 stop14h 20m

Bucharest Otopeni Intl

Tue 3/31

1:50 pm-3:24 pm

2 stops33h 34m

$653

Kansas CityBucharest

MCI - OTP

MCIOTP

Kansas City

Fri 11/14

9:05 am-11:50 pm

2 stops30h 45m

Bucharest Otopeni Intl

Fri 11/21

5:55 am-10:28 pm

2 stops24h 33m

$660

Kansas CityBucharest

MCI - OTP

MCIOTP

Kansas City

Fri 3/27

6:37 pm-11:50 pm

2 stops22h 13m

Bucharest Otopeni Intl

Tue 3/31

6:00 am-2:13 pm

2 stops16h 13m

$661

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Fri 3/27

4:50 pm-2:10 pm

1 stop14h 20m

Bucharest Otopeni Intl

Tue 3/31

6:45 pm-1:30 pm

1 stop26h 45m

$668

St. LouisCluj Napoca

STL - CLJ

STLCLJ

Lambert-St Louis

Fri 3/27

1:30 pm-1:40 pm

2 stops17h 10m

Cluj Napoca

Tue 3/31

6:00 am-5:14 pm

2 stops19h 14m

$676

SpringfieldBucharest

SGF - OTP

SGFOTP

Springfield-Branson

Wed 11/5

6:20 pm-11:30 pm

2 stops21h 10m

Bucharest Otopeni Intl

Sun 11/9

7:35 am-10:28 pm

2 stops22h 53m

$691

Kansas CityBucharest

MCI - OTP

MCIOTP

Kansas City

Fri 12/5

6:27 pm-11:50 pm

2 stops21h 23m

Bucharest Otopeni Intl

Sun 12/14

5:55 am-11:44 pm

2 stops25h 49m

$698

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/30

Showing 1-10 of 30 results
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Best time to book a flight from Missouri to Romania

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

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

Find hourly flight availability from Missouri to Romania. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 30, 2025.

When flying from Missouri to Romania, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from Missouri to Romania. 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 Romania?

    A quick flight from Missouri to Romania can take about 14h 20m. British Airways provides one of the quickest options available for as low as $653. There are 5451 mi between Missouri and Romania. This flight may include one or multiple stops.

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

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

  • How can I find direct flights from Missouri to Romania?

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

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

    Yes. Cheapflights offers flight deals from Missouri to Romania 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 Missouri to Romania?

    Currently, November is the cheapest month in which you can book a flight from Missouri to Romania (average of $604). Flying from Missouri to Romania 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Missouri to Romania

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 Romania

Discover the top 2 airlines that operate flights from Missouri to Romania. 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 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$772Average$1,068FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$784Average$941FlexibilityNo cancel feeOn-time69%

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