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$546+ Cheap flights from Missouri to Bucharest (BUH)

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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BUH
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from Missouri to Bucharest

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

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$546
(Cheapflightsfares)

Popular in

March

Cheapest in

November

Average price

$1,266
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 (BUH)
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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 October 2025
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Find flight deals from Missouri to Bucharest

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

This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/26:27 pmMCI - OTP
2 stops22h 38mLufthansa
Mon 1/121:05 pmOTP - MCI
2 stops16h 54mLufthansa
Deal found 10/30$546
This Lufthansa deal was found by Cheapflights users on 10/28. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2511:26 amSGF - OTP
2 stops23h 09mLufthansa
Thu 12/45:50 amOTP - SGF
2 stops24h 23mLufthansa
Deal found 10/28$547
This KAYAK deal was found by Cheapflights users on 10/28. 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.
Tue 11/2511:26 amSGF - OTP
2 stops23h 09mLufthansa
Fri 12/55:55 amOTP - SGF
2 stops24h 18mLufthansa
Deal found 10/28$552
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/254:02 pmSGF - OTP
2 stops36h 58mDelta
Wed 12/31:55 pmOTP - SGF
2 stops36h 14mDelta
Deal found 10/28$555
This Expedia deal was found by Cheapflights users on 10/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/266:35 pmSGF - OTP
2 stops22h 30mLufthansa
Wed 12/37:20 pmOTP - SGF
2 stops34h 53mLufthansa
Deal found 10/28$559
This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/279:00 amSGF - OTP
2 stops25h 40mUnited Airlines
Wed 12/36:05 amOTP - SGF
2 stops16h 39mUnited Airlines
Deal found 10/28$560
This FlightHub deal was found by Cheapflights users on 10/29. 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 12/211:32 amMCI - OTP
2 stops19h 13mBritish Airways
Mon 1/128:05 amOTP - MCI
2 stops23h 07mBritish Airways
Deal found 10/29$562
This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/256:15 amSGF - OTP
2 stops33h 40mUnited Airlines
Tue 12/22:50 pmOTP - SGF
2 stops31h 54mUnited Airlines
Deal found 10/28$579
This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/299:40 pmSGF - OTP
2 stops42h 10mUnited Airlines
Sat 12/62:50 pmOTP - SGF
2 stops31h 54mUnited Airlines
Deal found 10/28$585
This United Airlines deal was found by Cheapflights users on 10/30. 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 11/279:05 amMCI - OTP
2 stops21h 00mUnited Airlines
Thu 12/42:45 pmOTP - MCI
2 stops55h 36mUnited Airlines
Deal found 10/30$585
This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/246:35 pmSGF - OTP
2 stops16h 00mUnited Airlines
Thu 12/45:50 amOTP - SGF
2 stops16h 54mUnited Airlines
Deal found 10/28$597
This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/261:35 pmSGF - OTP
2 stops16h 25mUnited Airlines
Wed 12/36:05 amOTP - SGF
3 stops22h 32mUnited Airlines
Deal found 10/28$605

Cheapflights Fare Finder

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

Fly from

Missouri

Fly to

Bucharest

Route

Depart

Return

Price

Kansas CityBucharest

MCI - OTP

MCIOTP

Kansas City

Tue 12/2

6:27 pm-1:05 am

2 stops22h 38m

Bucharest Otopeni Intl

Mon 1/12

1:05 pm-9:59 pm

2 stops16h 54m

$546

SpringfieldBucharest

SGF - OTP

SGFOTP

Springfield-Branson

Wed 11/26

6:35 pm-6:35 pm

2 stops16h 00m

Bucharest Otopeni Intl

Thu 12/4

5:50 am-10:13 pm

2 stops24h 23m

$547

SpringfieldBucharest

SGF - OTP

SGFOTP

Springfield-Branson

Wed 11/26

6:35 pm-1:05 am

2 stops22h 30m

Bucharest Otopeni Intl

Wed 12/3

7:20 pm-10:13 pm

2 stops34h 53m

$559

SpringfieldBucharest

SGF - OTP

SGFOTP

Springfield-Branson

Thu 11/27

11:19 am-11:50 pm

2 stops28h 31m

Bucharest Otopeni Intl

Fri 12/5

5:55 am-2:44 pm

2 stops16h 49m

$560

SpringfieldBucharest

SGF - OTP

SGFOTP

Springfield-Branson

Thu 11/27

9:06 am-6:40 pm

2 stops25h 34m

Bucharest Otopeni Intl

Sat 12/6

5:55 am-2:44 pm

2 stops16h 49m

$560

SpringfieldBucharest

SGF - OTP

SGFOTP

Springfield-Branson

Thu 11/27

9:06 am-11:50 pm

2 stops30h 44m

Bucharest Otopeni Intl

Thu 12/4

5:50 am-10:13 pm

2 stops24h 23m

$560

SpringfieldBucharest

SGF - OTP

SGFOTP

Springfield-Branson

Thu 11/27

9:00 am-6:40 pm

2 stops25h 40m

Bucharest Otopeni Intl

Wed 12/3

6:05 am-2:44 pm

2 stops16h 39m

$560

Kansas CityBucharest

MCI - OTP

MCIOTP

Kansas City

Tue 12/2

11:32 am-2:45 pm

2 stops19h 13m

Bucharest Otopeni Intl

Mon 1/12

8:05 am-11:12 pm

2 stops23h 07m

$562

SpringfieldBucharest

SGF - OTP

SGFOTP

Springfield-Branson

Wed 11/26

6:35 pm-6:40 pm

2 stops16h 05m

Bucharest Otopeni Intl

Tue 12/2

2:50 pm-2:44 pm

2 stops31h 54m

$579

Kansas CityBucharest

MCI - OTP

MCIOTP

Kansas City

Thu 11/27

9:05 am-2:05 pm

2 stops21h 00m

Bucharest Otopeni Intl

Thu 12/4

2:45 pm-2:21 pm

2 stops55h 36m

$585

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 27 results
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Best time to book a flight from Missouri to Bucharest

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

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

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

Unlike in the morning, when flights are generally more expensive, you can save up to 16% on flights from Missouri to Bucharest by exploring options for tickets in the evening.

Related info for your journey

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

    A quick flight from Missouri to Bucharest can take about 19h 13m. Lufthansa provides one of the quickest options available for as low as $562. The distance between Missouri and Bucharest is about 5570 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Missouri to Bucharest 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?

Book flights to Bucharest if you plan to visit one of these locations
Otopeni

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Alternative routes for Missouri to Bucharest

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 Bucharest

Discover the top 2 airlines that operate flights from Missouri to Bucharest. 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$780Average$1,055FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$784Average$960FlexibilityNo cancel feeOn-time69%

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