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

United Airlines, American Airlines, and British Airways can get you from Romania to St. Louis in just under 15h 25m. Your travel time can differ by up to 7h 53m. The distance between Romania and St. Louis is about 5451 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

If weather is an important factor for your trip to St. Louis, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Romania to St. Louis as you normally would.

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

Most people fly into Lambert-St Louis (STL) if they book a flight to St. Louis from Romania. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Romania to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$701+ Flights from Romania to St. Louis

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Romania to St. Louis 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 Romania to St. Louis

Cheapest flights from Romania to St. Louis
Explore the most affordable flight options available from Romania to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 9, 2025.

Wed 12/242:25 pmCLJ - STL

2 stops36h 57mLufthansa

Sun 12/286:35 pmSTL - CLJ

2 stops35h 05mLufthansa

Deal found 12/8

$997

Tue 12/234:40 pmOTP - STL

2 stops58h 42mBritish Airways

Sat 12/276:35 pmSTL - OTP

2 stops36h 20mBritish Airways

Deal found 12/7

$1,229

Tue 12/232:50 pmOTP - STL

1 stop31h 05mLufthansa

Sat 12/276:35 pmSTL - OTP

2 stops35h 30mLufthansa

Deal found 12/7

$1,236

Wed 12/242:25 pmCLJ - STL

2 stops27h 43mMultiple Airlines

Sun 12/289:55 amSTL - CLJ

3 stops19h 45mMultiple Airlines

Deal found 12/8

$1,668

Tue 12/236:05 amOTP - STL

2 stops21h 17mMultiple Airlines

Sat 12/2710:10 pmSTL - OTP

3 stops31h 55mMultiple Airlines

Deal found 12/7

$1,802

Best flights from Romania to St. Louis
Discover carefully curated flight deals from Romania to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 9, 2025.

Wed 4/226:05 amOTP - STL

1 stop15h 25mUnited Airlines

Sun 5/171:30 pmSTL - OTP

2 stops39h 35mUnited Airlines

Deal found 12/7

$701

Wed 4/228:25 amOTP - STL

1 stop19h 05mAmerican Airlines

Sun 5/1710:00 pmSTL - OTP

1 stop18h 45mAmerican Airlines

Deal found 12/7

$785

Fri 2/208:00 amOTP - STL

2 stops23h 18mBritish Airways

Tue 2/244:06 pmSTL - OTP

2 stops22h 49mBritish Airways

Deal found 12/6

$919

Wed 12/242:25 pmCLJ - STL

2 stops36h 57mLufthansa

Sun 12/286:35 pmSTL - CLJ

2 stops35h 05mLufthansa

Deal found 12/8

$997

Fri 1/236:00 amCLJ - STL

3 stops24h 58mAir Canada

Fri 1/3011:20 amSTL - CLJ

3 stops18h 20mAir Canada

Deal found 12/8

$1,051

Fri 1/236:00 amCLJ - STL

2 stops41h 29mMultiple Airlines

Fri 1/3011:20 amSTL - CLJ

3 stops18h 20mMultiple Airlines

Deal found 12/8

$1,130

Fri 1/236:00 amCLJ - STL

2 stops40h 28mUnited Airlines

Fri 1/306:00 pmSTL - CLJ

2 stops35h 40mUnited Airlines

Deal found 12/8

$709

Fri 2/205:55 amOTP - STL

3 stops24h 19mUnited Airlines

Tue 2/2412:15 pmSTL - OTP

2 stops17h 40mUnited Airlines

Deal found 12/6

$958

Wed 4/226:55 pmOTP - STL

3 stops28h 29mMultiple Airlines

Sun 5/171:30 pmSTL - OTP

3 stops26h 15mMultiple Airlines

Deal found 12/7

$1,177

Wed 4/226:05 amOTP - STL

3 stops21h 21mAir Canada

Sun 5/171:30 pmSTL - OTP

2 stops21h 05mAir Canada

Deal found 12/7

$1,185

Tue 12/234:40 pmOTP - STL

2 stops58h 42mBritish Airways

Sat 12/276:35 pmSTL - OTP

2 stops36h 20mBritish Airways

Deal found 12/7

$1,229

Tue 12/232:50 pmOTP - STL

1 stop31h 05mLufthansa

Sat 12/276:35 pmSTL - OTP

2 stops35h 30mLufthansa

Deal found 12/7

$1,236

Wed 12/242:25 pmCLJ - STL

2 stops27h 43mMultiple Airlines

Sun 12/289:55 amSTL - CLJ

3 stops19h 45mMultiple Airlines

Deal found 12/8

$1,668

Tue 12/236:05 amOTP - STL

2 stops21h 17mMultiple Airlines

Sat 12/2710:10 pmSTL - OTP

3 stops31h 55mMultiple Airlines

Deal found 12/7

$1,802

Last-minute flights from Romania to St. Louis
Discover last-minute flight deals from Romania to St. Louis. Data last updated December 9, 2025 and is based on user searches.

Tue 12/234:40 pmOTP - STL

2 stops58h 42mBritish Airways

Sat 12/276:35 pmSTL - OTP

2 stops36h 20mBritish Airways

Deal found 12/7

$1,229

Tue 12/232:50 pmOTP - STL

1 stop31h 05mLufthansa

Sat 12/276:35 pmSTL - OTP

2 stops35h 30mLufthansa

Deal found 12/7

$1,236

Tue 12/236:05 amOTP - STL

2 stops21h 17mMultiple Airlines

Sat 12/2710:10 pmSTL - OTP

3 stops31h 55mMultiple Airlines

Deal found 12/7

$1,802

Wed 12/242:25 pmCLJ - STL

2 stops36h 57mLufthansa

Sun 12/286:35 pmSTL - CLJ

2 stops35h 05mLufthansa

Deal found 12/8

$997

Wed 12/242:25 pmCLJ - STL

2 stops27h 43mMultiple Airlines

Sun 12/289:55 amSTL - CLJ

3 stops19h 45mMultiple Airlines

Deal found 12/8

$1,668

Fri 1/236:00 amCLJ - STL

2 stops40h 28mUnited Airlines

Fri 1/306:00 pmSTL - CLJ

2 stops35h 40mUnited Airlines

Deal found 12/8

$709

Fri 1/236:00 amCLJ - STL

3 stops24h 58mAir Canada

Fri 1/3011:20 amSTL - CLJ

3 stops18h 20mAir Canada

Deal found 12/8

$1,051

Fri 1/236:00 amCLJ - STL

2 stops41h 29mMultiple Airlines

Fri 1/3011:20 amSTL - CLJ

3 stops18h 20mMultiple Airlines

Deal found 12/8

$1,130

Find flight deals from Romania to St. Louis

Round-trip from	$701 (United Airlines)

From Romania to Lambert-St Louis

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Wed 4/22

6:05 am-1:30 pm

1 stop15h 25m

Lambert-St Louis

Sun 5/17

1:30 pm-1:05 pm

2 stops39h 35m

$701

Cluj NapocaSt. Louis

CLJ - STL

CLJSTL

Cluj Napoca

Fri 1/23

6:00 am-2:28 pm

2 stops40h 28m

Lambert-St Louis

Fri 1/30

6:00 pm-1:40 pm

2 stops35h 40m

$709

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Wed 4/22

8:25 am-7:30 pm

1 stop19h 05m

Lambert-St Louis

Sun 5/17

10:00 pm-12:45 am

1 stop18h 45m

$785

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Fri 2/20

8:00 am-11:18 pm

2 stops23h 18m

Lambert-St Louis

Tue 2/24

4:06 pm-10:55 pm

2 stops22h 49m

$919

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Fri 2/20

5:55 am-10:14 pm

3 stops24h 19m

Lambert-St Louis

Tue 2/24

12:15 pm-1:55 pm

2 stops17h 40m

$958

Cluj NapocaSt. Louis

CLJ - STL

CLJSTL

Cluj Napoca

Wed 12/24

2:25 pm-7:22 pm

2 stops36h 57m

Lambert-St Louis

Sun 12/28

6:35 pm-1:40 pm

2 stops35h 05m

$997

Cluj NapocaSt. Louis

CLJ - STL

CLJSTL

Cluj Napoca

Fri 1/23

6:00 am-10:58 pm

3 stops24h 58m

Lambert-St Louis

Fri 1/30

11:20 am-1:40 pm

3 stops18h 20m

$1,051

Cluj NapocaSt. Louis

CLJ - STL

CLJSTL

Cluj Napoca

Fri 1/23

6:00 am-3:29 pm

2 stops41h 29m

Lambert-St Louis

Fri 1/30

11:20 am-1:40 pm

3 stops18h 20m

$1,130

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Wed 4/22

6:55 pm-3:24 pm

3 stops28h 29m

Lambert-St Louis

Sun 5/17

1:30 pm-11:45 pm

3 stops26h 15m

$1,177

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Wed 4/22

6:05 am-7:26 pm

3 stops21h 21m

Lambert-St Louis

Sun 5/17

1:30 pm-6:35 pm

2 stops21h 05m

$1,185

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/7

Showing 1-10 of 14 results

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

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

No data available for this route at this time. Please check back soon.

Related info for your journey

What airport do you fly into for flights to St. Louis from Romania?
Most people fly into Lambert-St Louis (STL) if they book a flight to St. Louis from Romania. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.
How long is the flight from Romania to St. Louis?
United Airlines, American Airlines, and British Airways can get you from Romania to St. Louis in just under 15h 25m. Your travel time can differ by up to 7h 53m. The distance between Romania and St. Louis is about 5451 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
Can I find deals for flights from Romania to St. Louis that include hotel bookings?
Yes. In addition to deals on Romania to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Romania to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Romania to St. Louis.
Can I find deals for business class flights from Romania to St. Louis?
Yes. Cheapflights offers flight deals from Romania to St. Louis 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

Edwardsville

O'Fallon

Fairview Heights

Maryland Heights

Collinsville

Swansea

Eureka

Glencoe

St. Peters

Chesterfield

Alton

Farmington

Festus

Browse thousands of different options on Cheapflights for your next trip

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.

$701+ Cheap flights from Romania to St. Louis (STL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/22. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Romania to St. Louis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Romania to St. Louis

Cheapest flights from Romania to St. LouisExplore the most affordable flight options available from Romania to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 9, 2025.

Explore the most affordable flight options available from Romania to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 9, 2025.

Find flight deals from Romania to St. Louis

Keep the following information in mind while searching for Romania to St. Louis flight deals. Data was last updated December 9, 2025.

Round-trip from

Cheapflights Fare Finder

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

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

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

Cheapflights Insights

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

Related info for your journey

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

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

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

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

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

Traveling to a place near St. Louis?

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 Romania to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Romania to St. Louis
Explore the most affordable flight options available from Romania to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 9, 2025.