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

American Airlines, Lufthansa, and Scandinavian Airlines are the most popular carriers operating from Lambert-St Louis to Romania

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

Prices for flights from Lambert-St Louis Airport to Romania were last updated today.

How many operators does momondo search for flights from Lambert-St Louis Airport to Romania?

As of August 2025, there are 2 operators available to choose from for flights from Lambert-St Louis Airport to Romania.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport to Romania.

What documentation or ID do you need to fly to Romania?

The necessary travel and health documents for your Romania 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.

$406 Cheap Flights from St. Louis to Romania in 2025

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Find the cheapest flights from St. Louis to Romania

Round-trip

One-way

Last minute

Cheap round-trip flights

1:30 pm - 6:35 pmSTL-OTP

21h 05m2 stops

5:55 am - 11:44 pmOTP-STL

25h 49m2 stops

$584

Find Deal

Tue, Oct 14 - Tue, Nov 4

1:30 pm - 6:35 pmSTL-OTP

21h 05m2 stops

2:50 pm - 1:55 pmOTP-STL

31h 05m1 stop

$598

Find Deal

Tue, Oct 14 - Tue, Nov 4

12:25 pm - 11:55 amSTL-OTP

15h 30m2 stops

2:50 pm - 1:55 pmOTP-STL

31h 05m1 stop

$602Lufthansa

Find Deal

Tue, Oct 14 - Tue, Nov 4

12:28 pm - 12:25 amSTL-OTP

27h 57m2 stops

8:25 am - 8:32 pmOTP-STL

20h 07m2 stops

$714British Airways

Find Deal

Wed, Sep 3 - Tue, Sep 16

9:15 am - 6:35 pmSTL-OTP

25h 20m2 stops

6:40 pm - 1:30 pmOTP-STL

26h 50m1 stop

$772

Find Deal

Wed, Sep 3 - Tue, Sep 16

9:00 am - 6:15 pmSTL-SBZ

25h 15m2 stops

2:25 pm - 11:42 pmSBZ-STL

17h 17m2 stops

$818United Airlines

Find Deal

Wed, Dec 3 - Sun, Dec 7

3:59 pm - 11:50 pmSTL-OTP

23h 51m2 stops

8:20 am - 9:06 pmOTP-STL

20h 46m2 stops

$841British Airways

Find Deal

Fri, Sep 26 - Sun, Oct 5

12:25 pm - 11:40 pmSTL-OTP

27h 15m2 stops

6:05 am - 1:30 pmOTP-STL

15h 25m2 stops

$860Lufthansa

Find Deal

Fri, Sep 26 - Sun, Oct 5

1:30 pm - 6:35 pmSTL-OTP

21h 05m2 stops

5:55 am - 7:39 pmOTP-STL

21h 44m3 stops

$1,031Air Canada

Find Deal

Tue, Oct 14 - Tue, Nov 4

1:30 pm - 4:50 pmSTL-OTP

19h 20m2 stops

5:55 am - 7:39 pmOTP-STL

21h 44m3 stops

$1,035Air Canada

Find Deal

Tue, Oct 14 - Tue, Nov 4

British Airways flights from St. Louis to Romania

Our best British Airways deals on St. Louis to Romania flight tickets

British Airways

Sep 3

STL12:28 pmLambert-St Louis

27h 57m

2 stops

OTP12:25 amBucharest Otopeni Intl

Sep 16

OTP8:25 amBucharest Otopeni Intl

20h 07m

2 stops

STL8:32 pmLambert-St Louis

$714

Find similar

British Airways

Sep 26

STL3:59 pmLambert-St Louis

23h 51m

2 stops

OTP11:50 pmBucharest Otopeni Intl

Oct 5

OTP8:20 amBucharest Otopeni Intl

20h 46m

2 stops

STL9:06 pmLambert-St Louis

$841

Find similar

British Airways

Sep 17

STL2:01 pmLambert-St Louis

16h 29m

2 stops

OTP2:30 pmBucharest Otopeni Intl

Sep 24

OTP8:25 amBucharest Otopeni Intl

21h 28m

2 stops

STL9:53 pmLambert-St Louis

$866

Find similar

Lufthansa flights from St. Louis to Romania

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

Lufthansa

Oct 14

STL12:25 pmLambert-St Louis

15h 30m

2 stops

OTP11:55 amBucharest Otopeni Intl

Nov 4

OTP2:50 pmBucharest Otopeni Intl

31h 05m

1 stop

STL1:55 pmLambert-St Louis

$602

Find similar

Lufthansa

Sep 26

STL12:25 pmLambert-St Louis

27h 15m

2 stops

OTP11:40 pmBucharest Otopeni Intl

Oct 5

OTP6:05 amBucharest Otopeni Intl

15h 25m

2 stops

STL1:30 pmLambert-St Louis

$860

Find similar

Lufthansa

Sep 3

STL3:30 pmLambert-St Louis

18h 25m

1 stop

OTP5:55 pmBucharest Otopeni Intl

Sep 16

OTP6:40 pmBucharest Otopeni Intl

26h 50m

1 stop

STL1:30 pmLambert-St Louis

$918

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Tue 10/14

1:30 pm-6:35 pm

2 stops21h 05m

Bucharest Otopeni Intl

Tue 11/4

5:55 am-11:44 pm

2 stops25h 49m

$584

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Tue 10/14

1:30 pm-6:35 pm

2 stops21h 05m

Bucharest Otopeni Intl

Tue 11/4

2:50 pm-1:55 pm

1 stop31h 05m

$598

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Tue 10/14

12:25 pm-11:55 am

2 stops15h 30m

Bucharest Otopeni Intl

Tue 11/4

2:50 pm-1:55 pm

1 stop31h 05m

$602

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Wed 9/3

12:28 pm-12:25 am

2 stops27h 57m

Bucharest Otopeni Intl

Tue 9/16

8:25 am-8:32 pm

2 stops20h 07m

$714

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Wed 9/3

9:15 am-6:35 pm

2 stops25h 20m

Bucharest Otopeni Intl

Tue 9/16

6:40 pm-1:30 pm

1 stop26h 50m

$772

St. LouisSibiu

STL - SBZ

STLSBZ

Lambert-St Louis

Wed 12/3

9:00 am-6:15 pm

2 stops25h 15m

Sibiu

Sun 12/7

2:25 pm-11:42 pm

2 stops17h 17m

$818

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Fri 9/26

3:59 pm-11:50 pm

2 stops23h 51m

Bucharest Otopeni Intl

Sun 10/5

8:20 am-9:06 pm

2 stops20h 46m

$841

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-1:30 pm

2 stops15h 25m

$860

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Tue 10/14

1:30 pm-6:35 pm

2 stops21h 05m

Bucharest Otopeni Intl

Tue 11/4

5:55 am-7:39 pm

3 stops21h 44m

$1,031

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Tue 10/14

1:30 pm-4:50 pm

2 stops19h 20m

Bucharest Otopeni Intl

Tue 11/4

5:55 am-7:39 pm

3 stops21h 44m

$1,035

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first

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

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

What is the cheapest day to depart on your flight to Romania?

The cheapest day to depart on your flight to Romania is on a Saturday when prices can be found for as low as $813. 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 Wednesday because tickets tend to average around $1,473. These prices are subject to change though, so be sure to set up a Price Alert for flights to Romania.

What is the cheapest time of day to depart on your flight to Romania?

Our most recent data shows that the best time of day to fly to Romania is in the morning. Flights from St. Louis to Romania during this time can be as low as $1,059. Try not to purchase tickets in the afternoon because they tend to be around $1,313. Of course, these prices can vary depending on the time of year and what airport you fly to.

Cheap St. Louis to Romania flight deals and tips

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

Best Price Found	$406
Fastest flight time	15h 20m
Direct flights	None
Airports in Romania	3 airports

The best one-way flight to Romania from St. Louis in the past 72 hours is $406. The best round-trip flight deal from St. Louis to Romania found on momondo in the last 72 hours is $584.

The fastest flight from St. Louis to Romania takes 15h 20m

There are no direct flights from St. Louis to Romania. Popular non-direct routes for this connection are Lambert-St Louis Airport - Timisoara Airport, Lambert-St Louis Airport - Bucharest Otopeni Intl Airport and Lambert-St Louis Airport - Sibiu Airport.

There are 3 airports near Romania: Timisoara (TSR), Bucharest Otopeni Intl (OTP), Sibiu (SBZ)

Search flight deals

When did momondo last update prices for flights from Lambert-St Louis Airport to Romania?
Prices for flights from Lambert-St Louis Airport to Romania were last updated today.
How many operators does momondo search for flights from Lambert-St Louis Airport to Romania?
As of August 2025, there are 2 operators available to choose from for flights from Lambert-St Louis Airport to Romania.
How old do you have to be to fly from Lambert-St Louis Airport to Romania?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport to Romania.
What documentation or ID do you need to fly to Romania?
The necessary travel and health documents for your Romania 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.

Best airlines flying from St. Louis to Romania

Compare and see reviews for airlines that fly from St. Louis to Romania with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $759	Free Cancellation	Rating 7.4 8,916 reviews		Search United Airlines flights
Lufthansa	PriceFrom $780	Free Cancellation	Rating 6.8 7,287 reviews		Search Lufthansa flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Romania from St. Louis.

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

momondo does allow users to show only those flights to Romania from St. Louis which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Romania from St. Louis.

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

Yes momondo offers price alerts on flights to Romania from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.