How long does it take to fly to St. Louis?

Flight times from Romania to St. Louis vary, but if you’re flying out of Bucharest and flying into St. Louis (one of the most popular routes), then the duration is 22h 54m on average. Another popular route from Romania to St. Louis is flying from Cluj Napoca to St. Louis, which will take roughly 41h 29m. Keep in mind that layovers or delays could extend your travel time.

What is the cheapest airline that flies from Romania to Lambert-St Louis?

Lufthansa is the most popular carrier operating from Romania to Lambert-St Louis

When did momondo last update prices for flights from Romania to Lambert-St Louis Airport?

Prices for flights from Romania to Lambert-St Louis Airport refresh daily.

How old do you have to be to fly from Romania to Lambert-St Louis Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Romania to Lambert-St Louis Airport.

What documentation or ID do you need to fly to Lambert-St Louis Airport?

The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$339 Cheap Flights from Romania to St. Louis in 2025/26

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Find the cheapest flights from Romania to St. Louis

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Recent round-trip flight deals from Romania to St. Louis

Enter your travel dates to find the best prices.

6:00 am - 4:33 pmOTP-STL

18h 33m2 stops

2:36 pm - 3:25 pmSTL-OTP

16h 49m2 stops

$744KLM

Find Deal

Wed, Nov 19 - Sun, Nov 23

6:05 am - 11:40 pmOTP-STL

24h 35m2 stops

6:00 am - 12:10 pmSTL-OTP

22h 10m2 stops

$780Delta

Find Deal

Thu, Mar 26 - Mon, Mar 30

6:05 am - 1:55 pmOTP-STL

15h 50m1 stop

6:43 pm - 6:25 pmSTL-OTP

15h 42m2 stops

$902Lufthansa

Find Deal

Wed, Nov 19 - Sun, Nov 23

6:05 am - 9:40 pmOTP-STL

23h 35m3 stops

4:05 pm - 6:25 pmSTL-OTP

18h 20m2 stops

$927Air Canada

Find Deal

Wed, Nov 19 - Sun, Nov 23

6:00 am - 3:29 pmCLJ-STL

41h 29m2 stops

1:10 pm - 1:40 pmSTL-CLJ

16h 30m2 stops

$929United Airlines

Find Deal

Thu, Nov 20 - Mon, Nov 24

6:05 am - 1:55 pmOTP-STL

15h 50m1 stop

3:50 pm - 2:05 pmSTL-OTP

14h 15m1 stop

$992Lufthansa

Find Deal

Wed, Nov 19 - Sun, Nov 23

6:05 am - 9:40 pmOTP-STL

23h 35m3 stops

11:05 am - 2:05 pmSTL-OTP

19h 00m3 stops

$1,549Air Canada

Find Deal

Wed, Nov 19 - Sun, Nov 23

Lufthansa flights from Romania to St. Louis

Our best Lufthansa deals on Romania to St. Louis flight tickets

Lufthansa

Nov 19

OTP6:05 amBucharest Otopeni Intl

15h 50m

1 stop

STL1:55 pmLambert-St Louis

Nov 23

STL6:43 pmLambert-St Louis

15h 42m

2 stops

OTP6:25 pmBucharest Otopeni Intl

$902

Find similar

Lufthansa

Nov 19

OTP6:05 amBucharest Otopeni Intl

15h 50m

1 stop

STL1:55 pmLambert-St Louis

Nov 23

STL3:50 pmLambert-St Louis

14h 15m

1 stop

OTP2:05 pmBucharest Otopeni Intl

$992

Find similar

Air Canada flights from Romania to St. Louis

Our best Air Canada deals on Romania to St. Louis flight tickets

Air Canada

Nov 19

OTP6:05 amBucharest Otopeni Intl

23h 35m

3 stops

STL9:40 pmLambert-St Louis

Nov 23

STL4:05 pmLambert-St Louis

18h 20m

2 stops

OTP6:25 pmBucharest Otopeni Intl

$927

Find similar

Air Canada

Nov 19

OTP6:05 amBucharest Otopeni Intl

23h 35m

3 stops

STL9:40 pmLambert-St Louis

Nov 23

STL11:05 amLambert-St Louis

19h 00m

3 stops

OTP2:05 pmBucharest Otopeni Intl

$1,549

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Wed 11/19

6:00 am-4:33 pm

2 stops18h 33m

Lambert-St Louis

Sun 11/23

2:36 pm-3:25 pm

2 stops16h 49m

$744

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Thu 3/26

6:05 am-11:40 pm

2 stops24h 35m

Lambert-St Louis

Mon 3/30

6:00 am-12:10 pm

2 stops22h 10m

$780

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Wed 11/19

6:05 am-1:55 pm

1 stop15h 50m

Lambert-St Louis

Sun 11/23

6:43 pm-6:25 pm

2 stops15h 42m

$902

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Wed 11/19

6:05 am-9:40 pm

3 stops23h 35m

Lambert-St Louis

Sun 11/23

4:05 pm-6:25 pm

2 stops18h 20m

$927

Cluj NapocaSt. Louis

CLJ - STL

CLJSTL

Cluj Napoca

Thu 11/20

6:00 am-3:29 pm

2 stops41h 29m

Lambert-St Louis

Mon 11/24

1:10 pm-1:40 pm

2 stops16h 30m

$929

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Wed 11/19

6:05 am-1:55 pm

1 stop15h 50m

Lambert-St Louis

Sun 11/23

3:50 pm-2:05 pm

1 stop14h 15m

$992

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Wed 11/19

6:05 am-9:40 pm

3 stops23h 35m

Lambert-St Louis

Sun 11/23

11:05 am-2:05 pm

3 stops19h 00m

$1,549

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Fri 1/16

6:00 am-10:37 pm

2 stops24h 37m

$339

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Fri 1/16

11:40 pm-7:54 am

3 stops40h 14m

$406

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Fri 1/16

5:55 am-1:55 pm

1 stop16h 00m

$827

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first

How to get the cheapest flight ticket from Romania to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Wednesday when prices can be found for as low as $732. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $912. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Romania at noon is the least expensive time of day to depart. momondo users have found prices as low as $687 when looking at flights departing at noon. In the morning is when there is more demand to fly to St. Louis, so prices are often more expensive at around $735 per ticket.

Cheap Romania to St. Louis flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Romania to St. Louis

Direct flights	None

There are no direct flights from Romania to St. Louis. There are no popular flight routes from Romania to St. Louis.

Search flight deals

When did momondo last update prices for flights from Romania to Lambert-St Louis Airport?
Prices for flights from Romania to Lambert-St Louis Airport refresh daily.
How old do you have to be to fly from Romania to Lambert-St Louis Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Romania to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

St. Charles

Chesterfield

Hermann

Fairview Heights

Florissant

Maryland Heights

O'Fallon

Wentzville

Fenton

Collinsville

St. Peters

Alton

Farmington

Festus

Glencoe

Edwardsville

Clayton

Eureka

Litchfield

Shrewsbury

Why use momondo?

Why should I use momondo to find a flight deal from Romania to St. Louis?

It is quick and easy to find Romania to St. Louis flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to St. Louis that suits you.

Can I find flights from Romania to St. Louis with flexible booking policies on momondo?

Yes. All flights to St. Louis from Romania on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Romania to St. Louis?

momondo provides multiple filters to help you find the best flight to St. Louis from Romania. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Romania to St. Louis right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Romania to St. Louis flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.