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$280+ Cheap flights from St. Louis (STL) to Romania

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.
STL — OTP
janv. 27 — févr. 31
mar. 1/27
mar. 2/3
1 adult, Economy
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Cheap flight deals from St. Louis to Romania

Best flights from St. Louis to Romania
Discover carefully curated flight deals from St. Louis to Romania that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated décembre 28, 2025.

This British Airways deal was found by Cheapflights users on 12/27. 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.
mar. 5/510:00 pmSTL - OTP
1 stop19h 25mBritish Airways
mer. 5/138:25 amOTP - STL
1 stop19h 05mBritish Airways
Deal found 12/27$539
This United Airlines deal was found by Cheapflights users on 12/27. 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.
mar. 5/59:30 amSTL - OTP
2 stops25h 05mUnited Airlines
mer. 5/136:05 amOTP - STL
1 stop15h 20mUnited Airlines
Deal found 12/27$541
This Delta deal was found by Cheapflights users on 12/27. 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.
lun. 5/411:43 amSTL - OTP
2 stops17h 02mDelta
mer. 5/137:00 amOTP - STL
2 stops24h 01mDelta
Deal found 12/27$647
This FlightHub deal was found by Cheapflights users on 12/26. 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.
jeu. 1/2212:44 pmSTL - OTP
2 stops15h 36mLufthansa
jeu. 1/295:50 amOTP - STL
2 stops19h 53mLufthansa
Deal found 12/26$735
This British Airways deal was found by Cheapflights users on 12/27. 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.
mer. 5/610:00 pmSTL - OTP
1 stop18h 25mBritish Airways
mer. 5/138:25 amOTP - STL
1 stop19h 05mBritish Airways
Deal found 12/27$539
This United Airlines deal was found by Cheapflights users on 12/27. 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.
mer. 2/42:45 pmSTL - CLJ
2 stops38h 55mUnited Airlines
dim. 2/82:25 pmCLJ - STL
2 stops38h 48mUnited Airlines
Deal found 12/27$562
This British Airways deal was found by Cheapflights users on 12/27. 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.
mar. 5/510:00 pmSTL - OTP
1 stop19h 25mBritish Airways
mar. 5/126:15 pmOTP - STL
1 stop33h 15mBritish Airways
Deal found 12/27$539
This United Airlines deal was found by Cheapflights users on 12/27. 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.
dim. 5/107:30 amSTL - OTP
2 stops20h 30mUnited Airlines
mar. 5/196:05 amOTP - STL
2 stops22h 00mUnited Airlines
Deal found 12/27$648
This Delta deal was found by Cheapflights users on 12/27. 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.
mar. 5/196:00 amSTL - OTP
2 stops22h 45mDelta
jeu. 5/282:00 pmOTP - STL
2 stops33h 58mDelta
Deal found 12/27$724
This United Airlines deal was found by Cheapflights users on 12/27. 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.
sam. 5/27:45 amSTL - OTP
2 stops26h 50mUnited Airlines
dim. 5/106:05 amOTP - STL
1 stop15h 20mUnited Airlines
Deal found 12/27$652
This British Airways deal was found by Cheapflights users on 12/27. 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.
mer. 5/1310:00 pmSTL - OTP
1 stop18h 25mBritish Airways
mer. 5/208:25 amOTP - STL
1 stop19h 05mBritish Airways
Deal found 12/27$714
This United Airlines deal was found by Cheapflights users on 12/27. 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.
mar. 5/127:45 amSTL - OTP
2 stops26h 50mUnited Airlines
mer. 5/206:05 amOTP - STL
1 stop15h 20mUnited Airlines
Deal found 12/27$654
This United Airlines deal was found by Cheapflights users on 12/27. 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.
mer. 5/132:20 pmSTL - OTP
2 stops25h 30mUnited Airlines
jeu. 5/216:05 amOTP - STL
2 stops22h 00mUnited Airlines
Deal found 12/27$660
This United Airlines deal was found by Cheapflights users on 12/25. 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.
mer. 2/251:11 pmSTL - SBZ
2 stops21h 04mUnited Airlines
dim. 3/12:30 pmSBZ - STL
2 stops17h 35mUnited Airlines
Deal found 12/25$690

Find flight deals from St. Louis to Romania

Keep the following information in mind while searching for St. Louis to Romania flight deals. Data was last updated décembre 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$539
(British Airways)

One-way from

$280
(oojo)

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 Lambert-St Louis to Romania
Search Deals
One-way flight from Lambert-St Louis to Romania
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 St. Louis to Romania 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 décembre 28, 2025.
Use the filters below to find and compare flights from St. Louis to Romania that are best for you.

Fly from

St. Louis

Fly to

Romania

Route

Depart

Return

Price

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

mar. 5/5

10:00 pm-1:25 am

1 stop19h 25m

Bucharest Otopeni Intl

mer. 5/13

8:25 am-7:30 pm

1 stop19h 05m

$539

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

mer. 5/6

10:00 pm-12:25 am

1 stop18h 25m

Bucharest Otopeni Intl

mer. 5/13

8:25 am-7:30 pm

1 stop19h 05m

$539

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

mar. 5/5

10:00 pm-1:25 am

1 stop19h 25m

Bucharest Otopeni Intl

mar. 5/12

6:15 pm-7:30 pm

1 stop33h 15m

$539

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

mar. 5/5

9:30 am-6:35 pm

2 stops25h 05m

Bucharest Otopeni Intl

mer. 5/13

6:05 am-1:25 pm

1 stop15h 20m

$541

St. LouisCluj Napoca

STL - CLJ

STLCLJ

Lambert-St Louis

mer. 2/4

2:45 pm-1:40 pm

2 stops38h 55m

Cluj Napoca

dim. 2/8

2:25 pm-9:13 pm

2 stops38h 48m

$562

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

lun. 5/4

11:43 am-12:45 pm

2 stops17h 02m

Bucharest Otopeni Intl

mer. 5/13

7:00 am-11:01 pm

2 stops24h 01m

$647

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

dim. 5/10

7:30 am-12:00 pm

2 stops20h 30m

Bucharest Otopeni Intl

mar. 5/19

6:05 am-8:05 pm

2 stops22h 00m

$648

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

sam. 5/2

7:45 am-6:35 pm

2 stops26h 50m

Bucharest Otopeni Intl

dim. 5/10

6:05 am-1:25 pm

1 stop15h 20m

$652

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

mar. 5/12

7:45 am-6:35 pm

2 stops26h 50m

Bucharest Otopeni Intl

mer. 5/20

6:05 am-1:25 pm

1 stop15h 20m

$654

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

mer. 5/13

2:20 pm-11:50 pm

2 stops25h 30m

Bucharest Otopeni Intl

jeu. 5/21

6:05 am-8:05 pm

2 stops22h 00m

$660

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

Showing 1-10 of 16 results
1
2

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

Have a flexible travel schedule? Discover the best time to fly to Romania 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 Romania
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Romania

Get insights into the airlines that provide service to Romania. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Romania. Reviews last updated décembre 28, 2025.
See what other customers who have flown with Delta, United Airlines, and Air Canada from St. Louis to Romania have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,022 reviews

Food

7.3

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.9

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
8,022 reviews
Delta
7.9
Good
8,022 reviews

Food

7.3

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.9

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.
United Airlines
7.4
Good
9,117 reviews
Delta
7.9
Good
8,022 reviews

Food

7.3

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.9

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.
Air Canada
7.1
Good
10,562 reviews
Delta
7.9
Good
8,022 reviews

Food

7.3

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.9

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.
Lufthansa
6.8
Okay
7,657 reviews
Delta
7.9
Good
8,022 reviews

Food

7.3

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.9

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.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Romania. 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 Romania?

    Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly out of when you book flights from St. Louis to Romania.

  • How long is the flight from St. Louis to Romania?

    Departing from St. Louis to Romania will take you 17h 02m. The distance from St. Louis to Romania is about 5451 mi. This flight may include one or multiple stops.

  • What are the most popular routes from St. Louis to Romania?

    The most popular flight routes from St. Louis to Romania are Lambert-St Louis - Bucharest Otopeni Intl, Lambert-St Louis - Cluj Napoca and Lambert-St Louis - Sibiu.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Romania 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

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Alternative routes for St. Louis to Romania

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from St. Louis to Romania

Discover the top 2 airlines that operate flights from St. Louis to Romania. 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 décembre 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$784Average$960FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$800Average$1,160FlexibilityNo cancel feeOn-time76%

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