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 59m on average. Another popular route from Romania to St. Louis is flying from Cluj Napoca to St. Louis, which will take roughly 36h 57m. Keep in mind that layovers or delays could extend your travel time.

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.

$489 Cheap Flights from Romania to St. Louis in 2025/26

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7:35 am - 7:29 pm

OTP

STL

19h 54m2 stops

2:24 pm - 11:45 pm

STL

OTP

25h 21m2 stops

$649British Airways

Sun, Feb 1 - Sun, Feb 15

5:55 am - 11:59 pm

OTP

STL

26h 04m2 stops

6:55 pm - 6:35 pm

STL

OTP

15h 40m2 stops

$749Lufthansa

Sun, Feb 1 - Sun, Feb 15

8:00 am - 10:59 pm

OTP

STL

22h 59m2 stops

5:04 pm - 11:00 pm

STL

OTP

21h 56m2 stops

$923British Airways

Thu, Jan 22 - Mon, Jan 26

4:35 pm - 10:59 pm

OTP

STL

38h 24m2 stops

5:04 pm - 11:00 pm

STL

OTP

21h 56m2 stops

$924British Airways

Thu, Jan 22 - Mon, Jan 26

4:35 pm - 10:59 pm

OTP

STL

38h 24m2 stops

5:04 pm - 11:00 pm

STL

OTP

21h 56m2 stops

$925British Airways

Thu, Jan 22 - Mon, Jan 26

6:30 am - 10:58 pm

OTP

STL

24h 28m3 stops

4:05 pm - 2:05 pm

STL

OTP

38h 00m2 stops

$936Multiple Airlines

Sun, Feb 1 - Sun, Feb 15

2:50 pm - 11:59 pm

OTP

STL

41h 09m2 stops

3:11 pm - 6:35 pm

STL

OTP

19h 24m2 stops

$1,433United Airlines

Mon, Jan 5 - Fri, Jan 9

5:55 am - 9:43 pm

OTP

STL

23h 48m2 stops

11:22 am - 12:30 pm

STL

OTP

17h 08m2 stops

$1,438Multiple Airlines

Sat, Jan 3 - Wed, Jan 7

7:05 pm - 7:27 pm

OTP

STL

32h 22m2 stops

3:50 pm - 2:10 pm

STL

OTP

14h 20m1 stop

$1,606Lufthansa

Mon, Jan 5 - Fri, Jan 9

5:55 am - 9:43 pm

OTP

STL

23h 48m2 stops

3:50 pm - 2:00 pm

STL

OTP

14h 10m1 stop

$2,116Lufthansa

Sat, Jan 3 - Wed, Jan 7

British Airways flights from Romania to St. Louis

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

British Airways

Feb 1

OTP7:35 amBucharest Otopeni Intl

19h 54m

2 stops

STL7:29 pmLambert-St Louis

Feb 15

STL2:24 pmLambert-St Louis

25h 21m

2 stops

OTP11:45 pmBucharest Otopeni Intl

$649

Find similar

British Airways

Jan 22

OTP8:00 amBucharest Otopeni Intl

22h 59m

2 stops

STL10:59 pmLambert-St Louis

Jan 26

STL1:35 pmLambert-St Louis

17h 55m

2 stops

OTP3:30 pmBucharest Otopeni Intl

$923

Find similar

British Airways

Jan 22

OTP4:35 pmBucharest Otopeni Intl

38h 24m

2 stops

STL10:59 pmLambert-St Louis

Jan 26

STL5:04 pmLambert-St Louis

21h 56m

2 stops

OTP11:00 pmBucharest Otopeni Intl

$924

Find similar

Lufthansa flights from Romania to St. Louis

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

Lufthansa

Feb 1

OTP5:55 amBucharest Otopeni Intl

26h 04m

2 stops

STL11:59 pmLambert-St Louis

Feb 15

STL6:55 pmLambert-St Louis

15h 40m

2 stops

OTP6:35 pmBucharest Otopeni Intl

$749

Find similar

Lufthansa

Jan 5

OTP7:05 pmBucharest Otopeni Intl

32h 22m

2 stops

STL7:27 pmLambert-St Louis

Jan 9

STL3:50 pmLambert-St Louis

14h 20m

1 stop

OTP2:10 pmBucharest Otopeni Intl

$1,606

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Sun 2/1

7:35 am-7:29 pm

2 stops19h 54m

Lambert-St Louis

Sun 2/15

2:24 pm-11:45 pm

2 stops25h 21m

$649

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Sun 2/1

5:55 am-11:59 pm

2 stops26h 04m

Lambert-St Louis

Sun 2/15

6:55 pm-6:35 pm

2 stops15h 40m

$749

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Thu 1/22

8:00 am-10:59 pm

2 stops22h 59m

Lambert-St Louis

Mon 1/26

5:04 pm-11:00 pm

2 stops21h 56m

$923

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Thu 1/22

4:35 pm-10:59 pm

2 stops38h 24m

Lambert-St Louis

Mon 1/26

5:04 pm-11:00 pm

2 stops21h 56m

$924

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Thu 1/22

4:35 pm-10:59 pm

2 stops38h 24m

Lambert-St Louis

Mon 1/26

5:04 pm-11:00 pm

2 stops21h 56m

$925

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Sun 2/1

6:30 am-10:58 pm

3 stops24h 28m

Lambert-St Louis

Sun 2/15

4:05 pm-2:05 pm

2 stops38h 00m

$936

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Mon 1/5

2:50 pm-11:59 pm

2 stops41h 09m

Lambert-St Louis

Fri 1/9

3:11 pm-6:35 pm

2 stops19h 24m

$1,433

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Sat 1/3

5:55 am-9:43 pm

2 stops23h 48m

Lambert-St Louis

Wed 1/7

11:22 am-12:30 pm

2 stops17h 08m

$1,438

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Mon 1/5

7:05 pm-7:27 pm

2 stops32h 22m

Lambert-St Louis

Fri 1/9

3:50 pm-2:10 pm

1 stop14h 20m

$1,606

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Sat 1/3

5:55 am-9:43 pm

2 stops23h 48m

Lambert-St Louis

Wed 1/7

3:50 pm-2:00 pm

1 stop14h 10m

$2,116

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

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

Fastest flight time	22h 59m
Direct flights	None

The fastest flight from Romania to St. Louis takes 22h 59m

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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Hermann

Fairview Heights

Maryland Heights

O'Fallon

Florissant

Fenton

St. Peters

Wentzville

Collinsville

Alton

Farmington

Clayton

Festus

Glencoe

Eureka

Edwardsville

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.