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$623+ 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
STL — OTP
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
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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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$763
(FlightHub)

One-way from

$623
(Kiwi.com)
Provider with most accurate pricing for Lambert-St Louis-Bucharest (BUH) flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Bucharest (BUH) flights.
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From Lambert-St Louis to Romania
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One-way flight from Lambert-St Louis to Romania
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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 March 31, 2025.

This FlightHub deal was found by Cheapflights users on 3/30. 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.
Fri 8/153:30 pmSTL - OTP
2 stops21h 05mScandinavian Airlines
Fri 9/199:50 pmOTP - STL
2 stops30h 57mScandinavian Airlines
Deal found 3/30$763
This United Airlines deal was found by Cheapflights users on 3/30. 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 8/153:30 pmSTL - OTP
1 stop18h 25mUnited Airlines
Fri 9/196:00 amOTP - STL
2 stops21h 57mUnited Airlines
Deal found 3/30$872
This Travelocity deal was found by Cheapflights users on 3/30. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/153:30 pmSTL - OTP
1 stop13h 25mLufthansa
Fri 9/196:00 amOTP - STL
1 stop15h 30mLufthansa
Deal found 3/30$884
This oojo deal was found by Cheapflights users on 3/30. 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.
Fri 8/224:52 pmSTL - OTP
2 stops22h 58mBritish Airways
Sun 9/148:20 amOTP - STL
2 stops20h 03mBritish Airways
Deal found 3/30$941
This Kiwi.com deal was found by Cheapflights users on 3/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/24:57 pmSTL - OTP
2 stops43h 33mMultiple Airlines
Wed 4/166:00 amOTP - STL
1 stop15h 30mMultiple Airlines
Deal found 3/29$1,272
This Gotogate deal was found by Cheapflights users on 3/31. 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.
Sat 5/247:30 amSTL - CLJ
2 stops23h 20mMultiple Airlines
Sat 6/1410:35 amCLJ - STL
2 stops58h 01mMultiple Airlines
Deal found 3/31$1,293
This oojo deal was found by Cheapflights users on 3/31. 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.
Wed 4/96:30 amSTL - OTP
2 stops24h 05mTurkish Airlines
Wed 5/289:30 amOTP - STL
2 stops45h 15mTurkish Airlines
Deal found 3/31$1,339
This Air Canada deal was found by Cheapflights users on 3/31. 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.
Wed 4/23:30 pmSTL - OTP
2 stops18h 25mAir Canada
Sun 4/136:00 amOTP - STL
3 stops22h 04mAir Canada
Deal found 3/31$1,692

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 March 31, 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

Fri 8/15

3:30 pm-8:35 pm

2 stops21h 05m

Bucharest Otopeni Intl

Fri 9/19

9:50 pm-8:47 pm

2 stops30h 57m

$763

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Fri 8/15

3:30 pm-5:55 pm

1 stop18h 25m

Bucharest Otopeni Intl

Fri 9/19

6:00 am-7:57 pm

2 stops21h 57m

$872

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Fri 8/15

3:30 pm-12:55 pm

1 stop13h 25m

Bucharest Otopeni Intl

Fri 9/19

6:00 am-1:30 pm

1 stop15h 30m

$884

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Fri 8/22

4:52 pm-11:50 pm

2 stops22h 58m

Bucharest Otopeni Intl

Sun 9/14

8:20 am-8:23 pm

2 stops20h 03m

$941

St. LouisCluj Napoca

STL - CLJ

STLCLJ

Lambert-St Louis

Sat 5/24

7:30 am-2:50 pm

2 stops23h 20m

Cluj Napoca

Sat 6/14

10:35 am-12:36 pm

2 stops58h 01m

$1,293

St. LouisSibiu

STL - SBZ

STLSBZ

Lambert-St Louis

Mon 8/25

6:30 am-10:20 pm

3 stops31h 50m

$623

St. LouisSibiu

STL - SBZ

STLSBZ

Lambert-St Louis

Tue 8/26

12:35 pm-1:20 pm

2 stops16h 45m

$697

St. LouisSibiu

STL - SBZ

STLSBZ

Lambert-St Louis

Mon 8/25

1:00 pm-1:20 pm

2 stops16h 20m

$709

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

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 March 31, 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.

Rainfall in Romania by month

Plan your trip to Romania by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Romania 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 Romania when rainfall is around 0.8 in.

Temperature in Romania by month

Plan your trip to Romania by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Romania, 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).

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 March 31, 2025.
To help decide which airline to fly from St. Louis to Romania, see what other customers have to say about United Airlines, Scandinavian Airlines and Lufthansa. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,614 reviews

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Comfort

7.3

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,614 reviews
United Airlines
7.4
Good
8,614 reviews

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Comfort

7.3

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Scandinavian Airlines
7.3
Good
1,326 reviews
United Airlines
7.4
Good
8,614 reviews

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Comfort

7.3

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Lufthansa
6.7
Okay
6,961 reviews
United Airlines
7.4
Good
8,614 reviews

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Comfort

7.3

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
British Airways
6.6
Okay
6,713 reviews
United Airlines
7.4
Good
8,614 reviews

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Comfort

7.3

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

  • 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.

  • 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 $1,175). 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

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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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$759Average$960FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$788Average$1,165FlexibilityNo cancel feeOn-time76%
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