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$331+ Cheap flights from Missouri to Bucharest (BUH)

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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BUH
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
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 September 16, 2025.

Round-trip from

$557
(Kiwi.com)

One-way from

$331
(Kiwi.com)
From Missouri to Bucharest (BUH)
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One-way flight from Missouri to Bucharest (BUH)
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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 September 16, 2025.

This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/294:50 pmSTL - OTP
1 stop14h 10mLufthansa
Wed 11/56:05 amOTP - STL
1 stop15h 50mLufthansa
Deal found 9/14$557
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/294:05 pmSTL - OTP
2 stops19h 35mMultiple Airlines
Wed 11/56:05 amOTP - STL
1 stop15h 50mMultiple Airlines
Deal found 9/14$575
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Mon 10/273:25 pmMCI - OTP
2 stops20h 10mUnited Airlines
Wed 11/56:05 amOTP - MCI
2 stops25h 37mUnited Airlines
Deal found 9/13$590
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Sun 10/261:47 pmMCI - OTP
2 stops21h 38mUnited Airlines
Tue 11/45:55 amOTP - MCI
2 stops23h 55mUnited Airlines
Deal found 9/13$595
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.
Tue 12/26:05 amMCI - OTP
2 stops24h 40mBritish Airways
Mon 1/128:25 pmOTP - MCI
2 stops30h 47mBritish Airways
Deal found 9/14$597
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Sat 10/256:27 pmMCI - OTP
2 stops36h 38mUnited Airlines
Wed 11/56:05 amOTP - MCI
2 stops16h 16mUnited Airlines
Deal found 9/13$600
This Expedia deal was found by Cheapflights users on 9/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/276:35 pmMCI - OTP
2 stops17h 00mLufthansa
Mon 11/37:05 pmOTP - MCI
2 stops34h 45mLufthansa
Deal found 9/13$610
This Ovago deal was found by Cheapflights users on 9/13. 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.
Sun 10/267:49 pmMCI - OTP
2 stops20h 56mBritish Airways
Mon 11/34:00 pmOTP - MCI
2 stops37h 23mBritish Airways
Deal found 9/13$612
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Tue 10/281:47 pmMCI - OTP
2 stops27h 08mUnited Airlines
Mon 11/32:50 pmOTP - MCI
2 stops31h 31mUnited Airlines
Deal found 9/13$614
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Sat 10/256:27 pmMCI - OTP
2 stops36h 38mUnited Airlines
Mon 11/32:50 pmOTP - MCI
2 stops31h 31mUnited Airlines
Deal found 9/13$619
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.
Thu 10/307:54 pmSTL - OTP
2 stops16h 36mBritish Airways
Thu 11/68:00 amOTP - STL
2 stops23h 56mBritish Airways
Deal found 9/15$640
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Fri 10/246:32 pmMCI - OTP
2 stops16h 03mUnited Airlines
Tue 11/45:55 amOTP - MCI
2 stops22h 52mUnited Airlines
Deal found 9/13$640

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 September 16, 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

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Wed 10/29

4:50 pm-2:00 pm

1 stop14h 10m

Bucharest Otopeni Intl

Wed 11/5

6:05 am-1:55 pm

1 stop15h 50m

$557

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Wed 10/29

4:05 pm-6:40 pm

2 stops19h 35m

Bucharest Otopeni Intl

Wed 11/5

6:05 am-1:55 pm

1 stop15h 50m

$575

Kansas CityBucharest

MCI - OTP

MCIOTP

Kansas City

Tue 10/28

8:10 am-6:25 pm

2 stops27h 15m

Bucharest Otopeni Intl

Tue 11/4

5:55 am-9:50 pm

2 stops23h 55m

$595

Kansas CityBucharest

MCI - OTP

MCIOTP

Kansas City

Tue 10/28

8:10 am-6:25 pm

2 stops27h 15m

Bucharest Otopeni Intl

Wed 11/5

6:05 am-9:50 pm

2 stops23h 45m

$595

Kansas CityBucharest

MCI - OTP

MCIOTP

Kansas City

Wed 10/29

2:55 pm-6:40 pm

2 stops20h 45m

Bucharest Otopeni Intl

Wed 11/5

2:40 pm-8:56 am

2 stops26h 16m

$595

Kansas CityBucharest

MCI - OTP

MCIOTP

Kansas City

Tue 10/28

6:15 am-11:55 pm

2 stops34h 40m

Bucharest Otopeni Intl

Thu 11/6

5:50 am-2:21 pm

2 stops16h 31m

$595

Kansas CityBucharest

MCI - OTP

MCIOTP

Kansas City

Wed 10/29

12:45 pm-6:40 pm

2 stops22h 55m

Bucharest Otopeni Intl

Tue 11/4

5:55 am-8:47 pm

2 stops22h 52m

$595

Kansas CityBucharest

MCI - OTP

MCIOTP

Kansas City

Sun 10/26

1:47 pm-6:25 pm

2 stops21h 38m

Bucharest Otopeni Intl

Wed 11/5

6:05 am-8:47 pm

2 stops22h 42m

$595

Kansas CityBucharest

MCI - OTP

MCIOTP

Kansas City

Wed 10/29

5:00 pm-6:40 pm

2 stops18h 40m

Bucharest Otopeni Intl

Thu 11/6

5:50 am-9:50 pm

2 stops24h 00m

$595

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-7:12 pm

2 stops30h 47m

$597

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 25 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 September 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Missouri to Bucharest as you normally would.

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 14h 10m. Lufthansa provides one of the quickest options available for as low as $557. The distance between Missouri and Bucharest is about 5451 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 Kansas City - Bucharest Otopeni Intl. You may also consider Lambert-St Louis - Bucharest Otopeni Intl or Columbia Regional - 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.

  • What is the cheapest month to book a flight from Missouri to Bucharest?

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

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

Browse thousands of different options on Cheapflights for your next trip

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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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$772Average$1,068FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$784Average$941FlexibilityNo cancel feeOn-time69%

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