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$439+ 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — BUH
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This SmartFares deal was found by Cheapflights users on 12/17. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/263:50 pmSTL - OTP
1 stop14h 20mLufthansa
Wed 12/316:05 amOTP - STL
1 stop15h 50mLufthansa
Deal found 12/17$1,670
This Gurufare deal was found by Cheapflights users on 12/17. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:35 pmSTL - OTP
2 stops45h 20mLufthansa
Wed 12/312:40 pmOTP - STL
2 stops33h 47mLufthansa
Deal found 12/17$1,770
This Ovago deal was found by Cheapflights users on 12/16. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:35 pmSTL - OTP
2 stops45h 20mLufthansa
Sun 12/285:55 amOTP - STL
1 stop16h 00mLufthansa
Deal found 12/16$1,801
This Mytrip deal was found by Cheapflights users on 12/17. 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.
Fri 12/265:35 amSTL - OTP
2 stops22h 40mMultiple Airlines
Wed 12/316:15 amOTP - STL
3 stops36h 41mMultiple Airlines
Deal found 12/17$1,849
This Delta deal was found by Cheapflights users on 12/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/235:59 pmSTL - OTP
2 stops20h 51mDelta
Sun 12/286:00 amOTP - STL
2 stops24h 16mDelta
Deal found 12/17$1,960
This Air Canada deal was found by Cheapflights users on 12/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:35 pmSTL - OTP
3 stops33h 55mMultiple Airlines
Sun 12/285:55 amOTP - STL
2 stops41h 34mMultiple Airlines
Deal found 12/16$2,101
This Mytrip deal was found by Cheapflights users on 12/17. 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.
Tue 12/235:30 amSTL - OTP
3 stops30h 00mMultiple Airlines
Wed 12/316:05 amOTP - STL
2 stops15h 50mMultiple Airlines
Deal found 12/17$2,332
This CheapOair deal was found by Cheapflights users on 12/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2112:47 pmMCI - OTP
2 stops21h 48mLufthansa
Tue 12/236:05 amOTP - MCI
2 stops22h 26mLufthansa
Deal found 12/17$2,335
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/217:40 amMCI - OTP
2 stops22h 25mUnited Airlines
Tue 12/235:55 amOTP - MCI
3 stops24h 35mUnited Airlines
Deal found 12/17$3,781
This Air Canada deal was found by Cheapflights users on 12/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2110:05 amMCI - OTP
3 stops20h 00mAir Canada
Tue 12/235:55 amOTP - MCI
3 stops21h 47mAir Canada
Deal found 12/17$3,794

Find flight deals from Missouri to Bucharest

Keep the following information in mind while searching for Missouri to Bucharest flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$494
(Kiwi.com)

One-way from

$439
(American Airlines)

Popular in

June

Cheapest in

November

Average price

$1,017
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.
Search Deals
From Missouri to Bucharest (BUH)
Search Deals
One-way flight from Missouri to Bucharest (BUH)
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($260 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($46 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 18, 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

Fri 1/30

3:50 pm-2:10 pm

1 stop14h 20m

Bucharest Otopeni Intl

Fri 2/6

5:55 am-11:59 pm

2 stops26h 04m

$494

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Fri 1/30

12:11 pm-11:25 pm

2 stops27h 14m

Bucharest Otopeni Intl

Fri 2/6

4:45 pm-6:13 pm

2 stops33h 28m

$537

Kansas CityBucharest

MCI - OTP

MCIOTP

Kansas City

Wed 4/1

5:50 am-12:10 pm

2 stops22h 20m

Bucharest Otopeni Intl

Tue 4/14

7:00 am-10:52 pm

2 stops23h 52m

$549

Kansas CityBucharest

MCI - OTP

MCIOTP

Kansas City

Tue 3/31

5:50 am-12:10 pm

2 stops22h 20m

Bucharest Otopeni Intl

Tue 4/14

7:00 am-10:52 pm

2 stops23h 52m

$549

Kansas CityBucharest

MCI - OTP

MCIOTP

Kansas City

Tue 4/14

8:00 am-12:10 pm

2 stops20h 10m

Bucharest Otopeni Intl

Wed 4/29

7:00 am-10:52 pm

2 stops23h 52m

$549

Kansas CityBucharest

MCI - OTP

MCIOTP

Kansas City

Tue 3/31

7:00 am-12:10 pm

2 stops21h 10m

Bucharest Otopeni Intl

Mon 4/13

2:00 pm-5:13 pm

2 stops35h 13m

$549

Kansas CityBucharest

MCI - OTP

MCIOTP

Kansas City

Tue 4/14

5:40 am-12:10 pm

2 stops22h 30m

Bucharest Otopeni Intl

Tue 4/28

2:00 pm-5:13 pm

2 stops35h 13m

$549

Kansas CityBucharest

MCI - OTP

MCIOTP

Kansas City

Wed 4/1

8:10 am-12:10 pm

2 stops20h 00m

Bucharest Otopeni Intl

Mon 4/13

2:00 pm-5:13 pm

2 stops35h 13m

$549

Kansas CityBucharest

MCI - OTP

MCIOTP

Kansas City

Wed 4/15

2:55 pm-3:25 pm

2 stops16h 30m

Bucharest Otopeni Intl

Wed 4/29

2:00 pm-12:20 am

2 stops18h 20m

$553

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Fri 1/30

3:50 pm-2:10 pm

1 stop14h 20m

Bucharest Otopeni Intl

Tue 2/3

5:55 am-3:15 pm

2 stops41h 20m

$555

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

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 December 18, 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 14h 20m. Lufthansa provides one of the quickest options available for as low as $494. 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.

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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$784Average$960FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$800Average$1,160FlexibilityNo cancel feeOn-time76%

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