How long is the flight from St. Louis to Bucharest?

There are many flights that can get you from St. Louis to Bucharest in 14h 20m. Fly via Lufthansa or Delta to get the fastest option. The distance from St. Louis to Bucharest is about 5451 mi. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines flying from St. Louis to Bucharest round-trip?

Currently priced at $780, Lufthansa will fly you from St. Louis to Bucharest and back. In addition to Lufthansa, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as $784. You may be able to fly from St. Louis to Bucharest for 40% less than the average price by searching for these airlines.

In terms of precipitation, rainfall in Bucharest ranges from 0.8 - 3.1 inches per month. June is typically the wettest month, when rainfall can reach 3.1 in. October is typically the driest time to visit Bucharest when rainfall is around 0.8 in.

If weather is an important factor for your trip to Bucharest, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Most accurate provider : When it comes to deals on St. Louis-Bucharest flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-Bucharest flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from St. Louis-Bucharest flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on St. Louis-Bucharest flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Bucharest flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from St. Louis to Bucharest?

Most people fly from Lambert-St Louis (STL) if they book a flight from St. Louis to Bucharest. On average, Lambert-St Louis has 0 outbound flights to Bucharest per day from 2 airlines. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

Can I find deals for flights from St. Louis to Bucharest that include hotel bookings?

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

How can I find direct flights from St. Louis to Bucharest?

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

Can I find deals for business class flights from St. Louis to Bucharest?

Yes. Cheapflights offers flight deals from St. Louis 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.

$511+ Flights from St. Louis to Bucharest

Q: How much does it cost to fly round-trip from St. Louis to Bucharest?

Airfare is below average for this route at the moment. St. Louis to Bucharest flights typically cost between $662 and $752 in January. The cheapest round-trip price found within the last 3 days was $535 on Lufthansa (Jan 9-Jan 23).

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Find flight deals from St. Louis to Bucharest

Cheapest flights from St. Louis to Bucharest
Explore the most affordable flight options available from St. Louis to Bucharest. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2025.

Sun 12/283:50 pmSTL - OTP

2 stops25h 15mLufthansa

Tue 1/135:55 amOTP - STL

2 stops25h 03mLufthansa

Deal found 11/18

$717

Sun 12/284:05 pmSTL - OTP

2 stops23h 45mMultiple Airlines

Tue 1/136:55 amOTP - STL

3 stops22h 18mMultiple Airlines

Deal found 11/18

$1,218

Best flights from St. Louis to Bucharest
Discover carefully curated flight deals from St. Louis to Bucharest that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 21, 2025.

Fri 1/93:50 pmSTL - OTP

1 stop14h 20mLufthansa

Fri 1/235:55 amOTP - STL

1 stop16h 00mLufthansa

Deal found 11/20

$535

Fri 1/93:50 pmSTL - OTP

1 stop14h 20mMultiple Airlines

Fri 1/235:55 amOTP - STL

2 stops41h 34mMultiple Airlines

Deal found 11/20

$541

Thu 1/299:59 amSTL - OTP

2 stops28h 51mDelta

Mon 2/26:00 amOTP - STL

2 stops22h 37mDelta

Deal found 11/19

$549

Fri 1/911:20 amSTL - OTP

3 stops17h 10mAir Canada

Fri 1/235:55 amOTP - STL

3 stops19h 48mAir Canada

Deal found 11/20

$841

Thu 1/2911:22 amSTL - OTP

2 stops16h 58mLufthansa

Mon 2/25:55 amOTP - STL

2 stops25h 03mLufthansa

Deal found 11/18

$549

Sun 12/283:50 pmSTL - OTP

2 stops25h 15mLufthansa

Tue 1/135:55 amOTP - STL

2 stops25h 03mLufthansa

Deal found 11/18

$717

Fri 3/1311:28 amSTL - OTP

2 stops30h 37mLufthansa

Fri 3/205:55 amOTP - STL

1 stop16h 00mLufthansa

Deal found 11/19

$1,020

Sat 1/36:35 pmSTL - OTP

2 stops22h 30mLufthansa

Sat 1/105:55 amOTP - STL

2 stops18h 08mLufthansa

Deal found 11/19

$1,051

Last-minute flights from St. Louis to Bucharest
Discover last-minute flight deals from St. Louis to Bucharest. Data last updated November 21, 2025 and is based on user searches.

Sun 12/283:50 pmSTL - OTP

2 stops25h 15mLufthansa

Tue 1/135:55 amOTP - STL

2 stops25h 03mLufthansa

Deal found 11/18

$717

Sun 12/284:05 pmSTL - OTP

2 stops23h 45mMultiple Airlines

Tue 1/136:55 amOTP - STL

3 stops22h 18mMultiple Airlines

Deal found 11/18

$1,218

One-way flights from St. Louis to Bucharest
Search for one-way flight options from St. Louis to Bucharest. Find affordable one-way fares based on user searches. Data last updated November 21, 2025.

Fri 5/13:30 pmSTL - OTP

1 stop13h 35mLufthansa

Deal found 11/19

$511

Cheap flight deals from St. Louis to Bucharest

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$535 (Mytrip)
One-way from	$511 (Thrive Travel)
Popular in	March
Cheapest in	November
Average price	$475

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 Lambert-St Louis to Bucharest (BUH)

Search Deals

One-way flight from Lambert-St Louis to Bucharest (BUH)

Search Deals

Highest demand for flights based on searches. 50% potential increase in price ($1,354 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 32% potential price decrease ($323 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in November 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Bucharest that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Fri 1/9

3:50 pm-2:10 pm

1 stop14h 20m

Bucharest Otopeni Intl

Fri 1/23

5:55 am-1:55 pm

1 stop16h 00m

$535

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Fri 1/9

3:50 pm-2:10 pm

1 stop14h 20m

Bucharest Otopeni Intl

Fri 1/23

5:55 am-3:29 pm

2 stops41h 34m

$541

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Thu 1/29

9:59 am-10:50 pm

2 stops28h 51m

Bucharest Otopeni Intl

Mon 2/2

6:00 am-8:37 pm

2 stops22h 37m

$549

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Thu 1/29

11:22 am-12:20 pm

2 stops16h 58m

Bucharest Otopeni Intl

Mon 2/2

5:55 am-10:58 pm

2 stops25h 03m

$549

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Sun 12/28

3:50 pm-1:05 am

2 stops25h 15m

Bucharest Otopeni Intl

Tue 1/13

5:55 am-10:58 pm

2 stops25h 03m

$717

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Fri 1/9

11:20 am-12:30 pm

3 stops17h 10m

Bucharest Otopeni Intl

Fri 1/23

5:55 am-5:43 pm

3 stops19h 48m

$841

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Fri 3/13

11:28 am-1:05 am

2 stops30h 37m

Bucharest Otopeni Intl

Fri 3/20

5:55 am-2:55 pm

1 stop16h 00m

$1,020

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Sat 1/3

6:35 pm-1:05 am

2 stops22h 30m

Bucharest Otopeni Intl

Sat 1/10

5:55 am-4:03 pm

2 stops18h 08m

$1,051

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Fri 5/1

3:30 pm-1:05 pm

1 stop13h 35m

$511

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Compare providers for flights from St. Louis to Bucharest

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Bucharest in November.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
AranGrant	Price Accuracy2 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on St. Louis-Bucharest flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-Bucharest flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from St. Louis-Bucharest flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on St. Louis-Bucharest flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Bucharest flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from St. Louis to Bucharest

Have a flexible travel schedule? Discover the best time to fly to Bucharest from St. Louis 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 St. Louis to Bucharest

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

When flying from St. Louis to Bucharest, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 15% versus a flight in the afternoon.

How much does it cost to fly round-trip from St. Louis to Bucharest?

Reviews of airlines servicing Bucharest

Read reviews from past customers who have flown Delta, Air Canada, and Lufthansa from St. Louis to Bucharest. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.9

Good

8,002 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Delta

7.9

Good

8,002 reviews

Delta

7.9

Good

8,002 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Air Canada

7.1

Good

10,464 reviews

Delta

7.9

Good

8,002 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Lufthansa

6.8

Okay

7,579 reviews

Delta

7.9

Good

8,002 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Related info for your journey

What airport do you fly from for flights from St. Louis to Bucharest?
Most people fly from Lambert-St Louis (STL) if they book a flight from St. Louis to Bucharest. On average, Lambert-St Louis has 0 outbound flights to Bucharest per day from 2 airlines. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.
How long is the flight from St. Louis to Bucharest?
There are many flights that can get you from St. Louis to Bucharest in 14h 20m. Fly via Lufthansa or Delta to get the fastest option. The distance from St. Louis to Bucharest is about 5451 mi. Both multi-stop and nonstop flights can be found to your destination and back.
What are the cheapest airlines flying from St. Louis to Bucharest round-trip?
Currently priced at $780, Lufthansa will fly you from St. Louis to Bucharest and back. In addition to Lufthansa, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as $784. You may be able to fly from St. Louis to Bucharest for 40% less than the average price by searching for these airlines.
Can I find deals for flights from St. Louis to Bucharest that include hotel bookings?
Yes. In addition to deals on St. Louis to Bucharest flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St. Louis to Bucharest?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Bucharest.
Can I find deals for business class flights from St. Louis to Bucharest?
Yes. Cheapflights offers flight deals from St. Louis 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

Otopeni

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Top 2 airlines flying from St. Louis to Bucharest

Airline	Cheapest	Average	Flexibility	On-time
Lufthansa	Cheapest$780	Average$1,055	FlexibilityNo cancel fee	On-time76%
United Airlines	Cheapest$784	Average$960	FlexibilityNo cancel fee	On-time69%

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$511+ Cheap flights from St. Louis (STL) 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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Bucharest with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from St. Louis to Bucharest

Cheapest flights from St. Louis to BucharestExplore the most affordable flight options available from St. Louis to Bucharest. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2025.

Explore the most affordable flight options available from St. Louis to Bucharest. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2025.

Cheap flight deals from St. Louis to Bucharest

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Bucharest that are best for you.

Compare providers for flights from St. Louis to Bucharest

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Bucharest in November.

Best time to book a flight from St. Louis to Bucharest

Have a flexible travel schedule? Discover the best time to fly to Bucharest from St. Louis with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Bucharest

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

Find hourly flight availability from St. Louis 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 November 21, 2025.

How much does it cost to fly round-trip from St. Louis to Bucharest?

Reviews of airlines servicing Bucharest

Read reviews from past customers who have flown Delta, Air Canada, and Lufthansa from St. Louis to Bucharest. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Bucharest. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from St. Louis to Bucharest?

How long is the flight from St. Louis to Bucharest?

What are the cheapest airlines flying from St. Louis to Bucharest round-trip?

Can I find deals for flights from St. Louis to Bucharest that include hotel bookings?

How can I find direct flights from St. Louis to Bucharest?

Can I find deals for business class flights from St. Louis to Bucharest?

Traveling to a place near Bucharest?

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Alternative routes for St. Louis to Bucharest

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Top 2 airlines flying from St. Louis to Bucharest

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Cheapest flights from St. Louis to Bucharest
Explore the most affordable flight options available from St. Louis to Bucharest. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2025.