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$240+ 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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BUH
Mar 6 — Mar 131
Fri 3/6
Fri 3/13
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 February 4, 2026.

This oojo deal was found by Cheapflights users on 2/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/197:05 am
STL
-
OTP
2 stops23h 00m
British Airways
Tue 4/288:15 am
OTP
-
STL
2 stops23h 33m
British Airways
Deal found 2/2$539
This FlightHub deal was found by Cheapflights users on 2/2. 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.
Mon 3/26:55 pm
STL
-
OTP
2 stops22h 10m
Lufthansa
Mon 3/96:05 am
OTP
-
STL
2 stops23h 54m
Lufthansa
Deal found 2/2$542
This Gotogate deal was found by Cheapflights users on 2/4. 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.
Sun 3/293:30 pm
STL
-
OTP
1 stop17h 00m
Multiple Airlines
Tue 4/141:50 pm
OTP
-
STL
2 stops33h 34m
Multiple Airlines
Deal found 2/4$545
This Expedia deal was found by Cheapflights users on 2/3. 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 4/83:30 pm
STL
-
OTP
1 stop13h 20m
Lufthansa
Wed 4/156:05 am
OTP
-
STL
1 stop15h 20m
Lufthansa
Deal found 2/3$550
This United Airlines deal was found by Cheapflights users on 2/3. 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 4/82:40 pm
STL
-
OTP
2 stops19h 55m
United Airlines
Wed 4/156:05 am
OTP
-
STL
2 stops22h 49m
United Airlines
Deal found 2/3$552
This United Airlines deal was found by Cheapflights users on 2/4. 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 5/45:17 pm
MCI
-
OTP
2 stops23h 53m
United Airlines
Tue 5/126:05 am
OTP
-
MCI
2 stops18h 19m
United Airlines
Deal found 2/4$552
This Iberia deal was found by Cheapflights users on 2/3. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/54:49 pm
SGF
-
OTP
2 stops24h 31m
Multiple Airlines
Tue 5/128:15 am
OTP
-
SGF
2 stops20h 31m
Multiple Airlines
Deal found 2/3$555
This United Airlines deal was found by Cheapflights users on 2/4. 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 3/293:30 pm
STL
-
OTP
1 stop17h 00m
United Airlines
Tue 4/146:05 am
OTP
-
STL
2 stops23h 03m
United Airlines
Deal found 2/4$555
This FlightHub deal was found by Cheapflights users on 2/3. 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.
Sat 5/26:09 pm
MCI
-
OTP
2 stops34h 56m
Lufthansa
Tue 5/121:50 pm
OTP
-
MCI
2 stops17h 11m
Lufthansa
Deal found 2/3$557
This United Airlines deal was found by Cheapflights users on 2/3. 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 5/51:35 pm
SGF
-
OTP
2 stops27h 35m
United Airlines
Tue 5/126:05 am
OTP
-
SGF
2 stops42h 03m
United Airlines
Deal found 2/3$558
This United Airlines deal was found by Cheapflights users on 2/4. 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 5/25:40 pm
MCI
-
OTP
2 stops34h 20m
United Airlines
Tue 5/126:05 am
OTP
-
MCI
2 stops35h 06m
United Airlines
Deal found 2/4$558
This Mytrip deal was found by Cheapflights users on 2/4. 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.
Sun 3/293:30 pm
STL
-
OTP
1 stop17h 00m
Lufthansa
Tue 4/145:15 pm
OTP
-
STL
1 stop28h 10m
Lufthansa
Deal found 2/4$559

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 February 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$539
(oojo)

One-way from

$240
(oojo)

Popular in

June

Cheapest in

November
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. 19% potential increase in price ($238 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($44 potential savings vs. average RT price).
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 February 4, 2026.
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

Mon 3/2

6:55 pm-1:05 am

2 stops22h 10m

Bucharest Otopeni Intl

Mon 3/9

6:05 am-10:59 pm

2 stops23h 54m

$542

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Sun 3/29

3:30 pm-4:30 pm

1 stop17h 00m

Bucharest Otopeni Intl

Tue 4/14

1:50 pm-3:24 pm

2 stops33h 34m

$545

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Wed 4/8

3:30 pm-12:50 pm

1 stop13h 20m

Bucharest Otopeni Intl

Wed 4/15

6:05 am-1:25 pm

1 stop15h 20m

$550

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Wed 4/8

2:40 pm-6:35 pm

2 stops19h 55m

Bucharest Otopeni Intl

Wed 4/15

6:05 am-8:54 pm

2 stops22h 49m

$552

Kansas CityBucharest

MCI - OTP

MCIOTP

Kansas City

Mon 5/4

5:17 pm-1:10 am

2 stops23h 53m

Bucharest Otopeni Intl

Tue 5/12

6:05 am-4:24 pm

2 stops18h 19m

$552

SpringfieldBucharest

SGF - OTP

SGFOTP

Springfield-Branson

Tue 5/5

4:49 pm-1:20 am

2 stops24h 31m

Bucharest Otopeni Intl

Tue 5/12

8:15 am-8:46 pm

2 stops20h 31m

$555

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Sun 3/29

3:30 pm-4:30 pm

1 stop17h 00m

Bucharest Otopeni Intl

Tue 4/14

6:05 am-9:08 pm

2 stops23h 03m

$555

SpringfieldBucharest

SGF - OTP

SGFOTP

Springfield-Branson

Tue 5/5

1:35 pm-1:10 am

2 stops27h 35m

Bucharest Otopeni Intl

Tue 5/12

6:05 am-4:08 pm

2 stops42h 03m

$558

Kansas CityBucharest

MCI - OTP

MCIOTP

Kansas City

Sat 5/2

5:40 pm-12:00 pm

2 stops34h 20m

Bucharest Otopeni Intl

Tue 5/12

6:05 am-9:11 am

2 stops35h 06m

$558

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Sun 3/29

3:30 pm-4:30 pm

1 stop17h 00m

Bucharest Otopeni Intl

Tue 4/14

5:15 pm-1:25 pm

1 stop28h 10m

$559

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Showing 1-10 of 39 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
No data available for this route at this time. Please check back soon.

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 55m. Lufthansa provides one of the quickest options available for as low as $552. 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 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 February 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$707Average$825FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$780Average$1,329FlexibilityNo cancel feeOn-time76%

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