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 04m 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.

$644 Cheap Flights from Romania to St. Louis in 2025/26

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Find the cheapest flights from Romania to St. Louis

Round-trip

One-way

Last minute

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

6:00 am - 3:29 pmCLJ-STL

41h 29m2 stops

12:31 pm - 1:40 pmSTL-CLJ

17h 09m2 stops

$1,093United Airlines

Find Deal

Thu, Nov 20 - Mon, Nov 24

6:00 am - 7:16 pmCLJ-STL

21h 16m2 stops

11:49 am - 1:40 pmSTL-CLJ

17h 51m2 stops

$1,096Lufthansa

Find Deal

Thu, Nov 20 - Mon, Nov 24

United Airlines flights from Romania to St. Louis

Our best United Airlines deals on Romania to St. Louis flight tickets

United Airlines

Sep 17

OTP6:00 amBucharest Otopeni Intl

15h 30m

1 stop

STL1:30 pmLambert-St Louis

Sep 24

STL1:30 pmLambert-St Louis

15h 45m

2 stops

OTP1:15 pmBucharest Otopeni Intl

$817

Find similar

United Airlines

Sep 17

OTP6:00 amBucharest Otopeni Intl

15h 30m

1 stop

STL1:30 pmLambert-St Louis

Sep 24

STL3:30 pmLambert-St Louis

13h 45m

1 stop

OTP1:15 pmBucharest Otopeni Intl

$952

Find similar

United Airlines

Sep 17

OTP6:05 amBucharest Otopeni Intl

20h 18m

2 stops

STL6:23 pmLambert-St Louis

Sep 25

STL11:39 amLambert-St Louis

21h 11m

2 stops

OTP4:50 pmBucharest Otopeni Intl

$1,049

Find similar

American Airlines flights from Romania to St. Louis

Our best American Airlines deals on Romania to St. Louis flight tickets

American Airlines

Sep 18

OTP8:25 amBucharest Otopeni Intl

23h 23m

2 stops

STL11:48 pmLambert-St Louis

Sep 21

STL11:38 amLambert-St Louis

18h 27m

2 stops

OTP2:05 pmBucharest Otopeni Intl

$976

Find similar

American Airlines

Sep 18

OTP8:25 amBucharest Otopeni Intl

18h 55m

2 stops

STL7:20 pmLambert-St Louis

Sep 20

STL2:11 pmLambert-St Louis

15h 49m

2 stops

OTP2:00 pmBucharest Otopeni Intl

$1,553

Find similar

Fly from

Fly to

Route

Depart

Return

Price

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

12:31 pm-1:40 pm

2 stops17h 09m

$1,093

Cluj NapocaSt. Louis

CLJ - STL

CLJSTL

Cluj Napoca

Thu 11/20

6:00 am-7:16 pm

2 stops21h 16m

Lambert-St Louis

Mon 11/24

11:49 am-1:40 pm

2 stops17h 51m

$1,096

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Sun 10/5

6:05 am-9:37 pm

2 stops23h 32m

$788

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Sun 10/5

6:05 am-3:44 pm

2 stops17h 39m

$790

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Sun 10/5

6:00 am-1:30 pm

1 stop15h 30m

$887

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Sun 10/5

6:00 am-1:30 pm

1 stop15h 30m

$1,020

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Sun 10/5

6:00 am-1:30 pm

1 stop15h 30m

$1,173

Flights are sorted by cheapest round-trip flights first.

Sorted 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.

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Farmington

Festus

Glencoe

Clayton

Edwardsville

Eureka

Litchfield

Shrewsbury

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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.