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

British Airways, Lufthansa, and United 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 March 2026, 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.

$316 Cheap Flights from St. Louis to Romania in 2026

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Find the cheapest flights from St. Louis to Romania

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:35 pm - 1:20 am

STL

OTP

19h 45m

1 stop

6:10 pm - 7:30 pm

OTP

STL

33h 20m

1 stop

$751British Airways

Tue, May 5 - Tue, May 12

2:15 pm - 10:50 pm

STL

TSR

24h 35m

2 stops

2:10 pm - 8:25 pm

TSR

STL

38h 15m

2 stops

$763Multiple Airlines

Tue, May 5 - Tue, May 12

9:35 pm - 1:20 am

STL

OTP

19h 45m

1 stop

8:15 am - 7:33 pm

OTP

STL

19h 18m

2 stops

$766Multiple Airlines

Tue, May 5 - Tue, May 12

6:55 pm - 5:25 pm

STL

CLJ

14h 30m

2 stops

6:10 pm - 5:30 pm

CLJ

STL

31h 20m

2 stops

$777Lufthansa

Fri, Aug 14 - Tue, Aug 25

1:05 pm - 12:55 pm

STL

SBZ

15h 50m

2 stops

6:15 am - 8:25 pm

SBZ

STL

46h 10m

2 stops

$785Multiple Airlines

Tue, May 5 - Tue, May 12

2:15 pm - 12:30 am

STL

CLJ

26h 15m

2 stops

1:50 pm - 8:25 pm

CLJ

STL

38h 35m

2 stops

$797Multiple Airlines

Tue, May 5 - Tue, May 12

7:09 pm - 1:10 am

STL

OTP

22h 01m

2 stops

6:05 am - 1:25 pm

OTP

STL

15h 20m

1 stop

$801Lufthansa

Fri, May 1 - Fri, May 8

5:32 pm - 12:00 pm

STL

OTP

34h 28m

3 stops

6:15 am - 2:00 pm

OTP

STL

39h 45m

2 stops

$865United Airlines

Sat, Sep 12 - Sat, Sep 26

5:32 pm - 12:00 pm

STL

OTP

34h 28m

2 stops

6:05 am - 3:38 pm

OTP

STL

17h 33m

2 stops

$867United Airlines

Sat, Sep 12 - Sat, Sep 26

1:05 pm - 5:25 pm

STL

CLJ

20h 20m

2 stops

6:00 am - 8:09 pm

CLJ

STL

22h 09m

3 stops

$1,099Air Canada

Fri, May 8 - Fri, May 15

Lufthansa flights from St. Louis to Romania

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

Lufthansa

May 1

STL7:09 pmLambert-St Louis

22h 01m

2 stops

OTP1:10 amBucharest Otopeni Intl

May 8

OTP6:05 amBucharest Otopeni Intl

15h 20m

1 stop

STL1:25 pmLambert-St Louis

$801

Lufthansa

May 1

STL7:09 pmLambert-St Louis

22h 01m

2 stops

OTP1:10 amBucharest Otopeni Intl

May 8

OTP6:15 amBucharest Otopeni Intl

24h 35m

2 stops

STL10:50 pmLambert-St Louis

$807

Lufthansa

Sep 12

STL6:55 pmLambert-St Louis

15h 40m

2 stops

OTP6:35 pmBucharest Otopeni Intl

Sep 26

OTP1:55 pmBucharest Otopeni Intl

31h 30m

1 stop

STL1:25 pmLambert-St Louis

$922

Turkish Airlines flights from St. Louis to Romania

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

Turkish Airlines

Apr 8

STL7:45 amLambert-St Louis

28h 25m

2 stops

OTP8:10 pmBucharest Otopeni Intl

Apr 15

OTP9:30 pmBucharest Otopeni Intl

31h 43m

2 stops

STL9:13 pmLambert-St Louis

$870

Turkish Airlines

Apr 2

STL7:45 amLambert-St Louis

28h 25m

2 stops

OTP8:10 pmBucharest Otopeni Intl

Apr 9

OTP9:30 amBucharest Otopeni Intl

43h 43m

2 stops

STL9:13 pmLambert-St Louis

$896

Turkish Airlines

Apr 8

STL7:45 amLambert-St Louis

16h 25m

2 stops

OTP8:10 amBucharest Otopeni Intl

Apr 15

OTP9:30 pmBucharest Otopeni Intl

31h 43m

2 stops

STL9:13 pmLambert-St Louis

$898

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Tue 5/5

9:35 pm-1:20 am

1 stop19h 45m

Bucharest Otopeni Intl

Tue 5/12

6:10 pm-7:30 pm

1 stop33h 20m

$751

St. LouisTimisoara

STL - TSR

STLTSR

Lambert-St Louis

Tue 5/5

2:15 pm-10:50 pm

2 stops24h 35m

Timisoara

Tue 5/12

2:10 pm-8:25 pm

2 stops38h 15m

$763

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Tue 5/5

9:35 pm-1:20 am

1 stop19h 45m

Bucharest Otopeni Intl

Tue 5/12

8:15 am-7:33 pm

2 stops19h 18m

$766

St. LouisCluj Napoca

STL - CLJ

STLCLJ

Lambert-St Louis

Fri 8/14

6:55 pm-5:25 pm

2 stops14h 30m

Cluj Napoca

Tue 8/25

6:10 pm-5:30 pm

2 stops31h 20m

$777

St. LouisSibiu

STL - SBZ

STLSBZ

Lambert-St Louis

Tue 5/5

1:05 pm-12:55 pm

2 stops15h 50m

Sibiu

Tue 5/12

6:15 am-8:25 pm

2 stops46h 10m

$785

St. LouisCluj Napoca

STL - CLJ

STLCLJ

Lambert-St Louis

Tue 5/5

2:15 pm-12:30 am

2 stops26h 15m

Cluj Napoca

Tue 5/12

1:50 pm-8:25 pm

2 stops38h 35m

$797

Quickest round-trip

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Fri 5/1

7:09 pm-1:10 am

2 stops22h 01m

Bucharest Otopeni Intl

Fri 5/8

6:05 am-1:25 pm

1 stop15h 20m

$801

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Sat 9/12

5:32 pm-12:00 pm

3 stops34h 28m

Bucharest Otopeni Intl

Sat 9/26

6:15 am-2:00 pm

2 stops39h 45m

$865

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Sat 9/12

5:32 pm-12:00 pm

2 stops34h 28m

Bucharest Otopeni Intl

Sat 9/26

6:05 am-3:38 pm

2 stops17h 33m

$867

St. LouisCluj Napoca

STL - CLJ

STLCLJ

Lambert-St Louis

Fri 5/8

1:05 pm-5:25 pm

2 stops20h 20m

Cluj Napoca

Fri 5/15

6:00 am-8:09 pm

3 stops22h 09m

$1,099

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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

Can stopping save me money on St. Louis to Romania flights?

You could potentially save up to 54% on your flight if you consider stops on a St. Louis to Romania flight.

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

Fastest flight time	14h 19m
Direct flights	None

The fastest flight from St. Louis to Romania takes 14h 19m

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

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 March 2026, 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 $574	Free Cancellation	Rating 7.4 9,477 reviews		Search United Airlines flights
Lufthansa	PriceFrom $800	Free Cancellation	Rating 6.8 7,867 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.