HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Romania

$467+ 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 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
STL — OTP
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Romania with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 August 20, 2025.

Round-trip from

$819
(United Airlines)

One-way from

$467
(FlightHub)
From Lambert-St Louis to Romania
Search Deals
One-way flight from Lambert-St Louis to Romania
Search Deals

Find flight deals from St. Louis to Romania

Cheapest flights from St. Louis to Romania
Explore the most affordable flight options available from St. Louis to Romania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

This Lufthansa deal was found by Cheapflights users on 8/17. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1211:49 amSTL - SBZ
2 stops22h 26mLufthansa
Sun 11/162:30 pmSBZ - STL
2 stops17h 14mLufthansa
Deal found 8/17$819
This Gurufare deal was found by Cheapflights users on 8/19. 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.
Sat 11/226:43 pmSTL - OTP
2 stops35h 22mLufthansa
Sat 11/292:50 pmOTP - STL
1 stop31h 05mLufthansa
Deal found 8/19$912
This Expedia deal was found by Cheapflights users on 8/19. 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.
Sat 11/224:05 pmSTL - OTP
2 stops38h 00mMultiple Airlines
Sat 11/297:20 pmOTP - STL
2 stops52h 09mMultiple Airlines
Deal found 8/19$922
This Orbitz deal was found by Cheapflights users on 8/18. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2211:27 amSTL - OTP
2 stops23h 08mLufthansa
Sun 8/247:20 pmOTP - STL
2 stops55h 39mLufthansa
Deal found 8/18$1,023
This Cheapflightsfares deal was found by Cheapflights users on 8/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2612:25 pmSTL - OTP
2 stops27h 15mLufthansa
Sun 10/56:05 amOTP - STL
2 stops17h 39mLufthansa
Deal found 8/18$1,082
This Ovago deal was found by Cheapflights users on 8/19. 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.
Fri 9/265:00 pmSTL - OTP
2 stops22h 50mBritish Airways
Sun 10/58:20 amOTP - STL
2 stops20h 05mBritish Airways
Deal found 8/19$1,092
This Priceline deal was found by Cheapflights users on 8/19. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/242:17 pmSTL - OTP
2 stops17h 13mBritish Airways
Sat 11/298:05 amOTP - STL
2 stops23h 51mBritish Airways
Deal found 8/19$1,194
This Orbitz deal was found by Cheapflights users on 8/19. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/244:48 pmSTL - OTP
2 stops22h 12mMultiple Airlines
Sat 11/292:50 pmOTP - STL
1 stop31h 05mMultiple Airlines
Deal found 8/19$1,294
This United deal was found by Cheapflights users on 8/18. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/196:35 pmSTL - SBZ
2 stops36h 50mMultiple Airlines
Sun 12/284:05 pmSBZ - STL
2 stops37h 38mMultiple Airlines
Deal found 8/18$1,412
This United Airlines deal was found by Cheapflights users on 8/18. 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 12/1911:48 amSTL - SBZ
3 stops22h 27mUnited Airlines
Sun 12/282:30 pmSBZ - STL
2 stops17h 14mUnited Airlines
Deal found 8/18$1,789

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 August 20, 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. LouisSibiu

STL - SBZ

STLSBZ

Lambert-St Louis

Wed 11/12

9:00 am-6:15 pm

2 stops25h 15m

Sibiu

Sun 11/16

2:30 pm-11:44 pm

2 stops17h 14m

$819

St. LouisSibiu

STL - SBZ

STLSBZ

Lambert-St Louis

Wed 11/12

11:49 am-6:15 pm

2 stops22h 26m

Sibiu

Sun 11/16

2:30 pm-11:44 pm

2 stops17h 14m

$819

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Sat 11/22

6:43 pm-2:05 pm

2 stops35h 22m

Bucharest Otopeni Intl

Sat 11/29

2:50 pm-1:55 pm

1 stop31h 05m

$912

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Sat 11/22

4:05 pm-2:05 pm

2 stops38h 00m

Bucharest Otopeni Intl

Sat 11/29

7:20 pm-3:29 pm

2 stops52h 09m

$922

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Fri 9/26

12:25 pm-11:40 pm

2 stops27h 15m

Bucharest Otopeni Intl

Sun 10/5

6:05 am-3:44 pm

2 stops17h 39m

$1,082

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Fri 9/26

5:00 pm-11:50 pm

2 stops22h 50m

Bucharest Otopeni Intl

Sun 10/5

8:20 am-8:25 pm

2 stops20h 05m

$1,092

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Mon 11/24

2:17 pm-3:30 pm

2 stops17h 13m

Bucharest Otopeni Intl

Sat 11/29

8:05 am-11:56 pm

2 stops23h 51m

$1,194

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Mon 11/24

4:48 pm-11:00 pm

2 stops22h 12m

Bucharest Otopeni Intl

Sat 11/29

2:50 pm-1:55 pm

1 stop31h 05m

$1,294

St. LouisSibiu

STL - SBZ

STLSBZ

Lambert-St Louis

Fri 12/19

6:35 pm-3:25 pm

2 stops36h 50m

Sibiu

Sun 12/28

4:05 pm-9:43 pm

2 stops37h 38m

$1,412

St. LouisSibiu

STL - SBZ

STLSBZ

Lambert-St Louis

Fri 12/19

11:48 am-6:15 pm

3 stops22h 27m

Sibiu

Sun 12/28

2:30 pm-11:44 pm

2 stops17h 14m

$1,789

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 13 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

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

Find hourly flight availability from St. Louis to Romania. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 20, 2025.

When flying from St. Louis to Romania, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 August 20, 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
8.0
Very good
7,982 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,928 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
10,000 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Lufthansa
6.8
Okay
7,337 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 22h 26m. The distance from St. Louis to Romania is about 5323 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 - Timisoara 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.

  • What is the cheapest month to book a flight from St. Louis to Romania?

    Currently, November is the cheapest month in which you can book a flight from St. Louis to Romania (average of $604). Flying from St. Louis to Romania in June is currently the most expensive (average of $1,135). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Romania

See prices for flight routes from nearby airports that may be better suited for you.
St. Louis to Heathrow flights
Kansas City to Dublin flights
St. Louis to Frankfurt flights
St. Louis to Gatwick flights
St. Louis to Vicenza flights
Kansas City to Heathrow flights
St. Louis to Dublin flights
Kansas City to Leonardo da Vinci/Fiumicino flights
Kansas City to Gatwick flights
St. Louis to Leonardo da Vinci/Fiumicino flights
St. Louis to Zurich flights
Kansas City to Amsterdam flights
Kansas City to Frankfurt flights
Kansas City to Athens flights
St. Louis to London City flights
St. Louis to Keflavik Intl flights
St. Louis to Madrid flights
St. Louis to Charles de Gaulle flights
St. Louis to Munich flights
St. Louis to Athens flights
Kansas City to Lisbon flights
St. Louis to Bilbao flights
Kansas City to Madrid flights
Kansas City to Charles de Gaulle flights
St. Louis to Edinburgh flights
St. Louis to Sarajevo flights
Kansas City to Keflavik Intl flights
St. Louis to Lisbon flights
Kansas City to Munich flights
St. Louis to Malpensa flights
St. Louis to Orly flights
Kansas City to Barcelona-El Prat flights
St. Louis to Seville flights
Kansas City to London City flights
St. Louis to Barcelona-El Prat flights
Kansas City to Edinburgh flights
Kansas City to Zurich flights
St. Louis to Bruxelles-National flights
St. Louis to Amsterdam flights
St. Louis to Istanbul flights
Kansas City to Florence flights
Kansas City to Linate flights
Kansas City to Malpensa flights
Kansas City to Naples flights
St. Louis to Linate flights
Kansas City to Basel flights
St. Louis to Berlin flights
Kansas City to Orly flights
Kansas City to Ljubljana flights
Kansas City to Frederic Chopin flights

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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$780Average$1,055FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$784Average$960FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.