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

Prices for flights from Bucharest Otopeni Intl Airport to Lambert-St Louis Airport are refreshed on a daily basis.

How old do you have to be to fly from Bucharest Otopeni Intl Airport to Lambert-St Louis Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Bucharest Otopeni Intl Airport to Lambert-St Louis Airport.

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

The travel and health documents you'll need for your trip to Lambert-St Louis Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$616 Cheap Flights from Bucharest Otopeni Intl Airport to St. Louis in 2025/26

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Find the cheapest flights from Bucharest Otopeni Intl Airport to St. Louis

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:05 am - 11:40 pmOTP-STL

24h 35m2 stops

11:51 am - 12:10 pmSTL-OTP

16h 19m2 stops

$781Delta

Find Deal

Thu, Mar 26 - Mon, Mar 30

6:00 am - 5:59 pmOTP-STL

18h 59m2 stops

4:00 pm - 12:10 pmSTL-OTP

36h 10m2 stops

$819Delta

Find Deal

Thu, Mar 26 - Mon, Mar 30

6:00 am - 9:04 amOTP-STL

34h 04m2 stops

11:51 am - 3:25 pmSTL-OTP

19h 34m2 stops

$836KLM

Find Deal

Thu, Mar 26 - Mon, Mar 30

1:55 pm - 11:42 pmOTP-STL

17h 47m2 stops

5:55 pm - 10:50 pmSTL-OTP

20h 55m2 stops

$866Delta

Find Deal

Sun, Dec 14 - Thu, Dec 25

6:55 am - 9:40 pmOTP-STL

22h 45m3 stops

4:05 pm - 12:25 amSTL-OTP

24h 20m2 stops

$1,213Multiple Airlines

Find Deal

Sun, Dec 14 - Thu, Dec 25

6:55 am - 9:40 pmOTP-STL

22h 45m3 stops

11:05 am - 12:30 pmSTL-OTP

17h 25m3 stops

$1,338Air Canada

Find Deal

Sun, Dec 14 - Thu, Dec 25

5:55 am - 1:55 pmOTP-STL

16h 00m1 stop

11:05 am - 11:50 pmSTL-OTP

28h 45m2 stops

$1,458Lufthansa

Find Deal

Sun, Dec 14 - Thu, Dec 25

Delta flights from Bucharest Otopeni Intl Airport to St. Louis

Our best Delta deals on Bucharest Otopeni Intl Airport to St. Louis flight tickets

Delta

Mar 26

OTP6:05 amBucharest Otopeni Intl

24h 35m

2 stops

STL11:40 pmLambert-St Louis

Mar 30

STL11:51 amLambert-St Louis

16h 19m

2 stops

OTP12:10 pmBucharest Otopeni Intl

$781

Find similar

Delta

Mar 26

OTP6:00 amBucharest Otopeni Intl

18h 59m

2 stops

STL5:59 pmLambert-St Louis

Mar 30

STL4:00 pmLambert-St Louis

36h 10m

2 stops

OTP12:10 pmBucharest Otopeni Intl

$819

Find similar

Delta

Dec 14

OTP1:55 pmBucharest Otopeni Intl

17h 47m

2 stops

STL11:42 pmLambert-St Louis

Dec 25

STL5:55 pmLambert-St Louis

20h 55m

2 stops

OTP10:50 pmBucharest Otopeni Intl

$866

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Bucharest Otopeni Intl Airport to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

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

11:51 am-12:10 pm

2 stops16h 19m

$781

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Thu 3/26

6:00 am-5:59 pm

2 stops18h 59m

Lambert-St Louis

Mon 3/30

4:00 pm-12:10 pm

2 stops36h 10m

$819

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Thu 3/26

6:00 am-9:04 am

2 stops34h 04m

Lambert-St Louis

Mon 3/30

11:51 am-3:25 pm

2 stops19h 34m

$836

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Sun 12/14

1:55 pm-11:42 pm

2 stops17h 47m

Lambert-St Louis

Thu 12/25

5:55 pm-10:50 pm

2 stops20h 55m

$866

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Sun 12/14

6:55 am-9:40 pm

3 stops22h 45m

Lambert-St Louis

Thu 12/25

4:05 pm-12:25 am

2 stops24h 20m

$1,213

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Sun 12/14

6:55 am-9:40 pm

3 stops22h 45m

Lambert-St Louis

Thu 12/25

11:05 am-12:30 pm

3 stops17h 25m

$1,338

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Sun 12/14

5:55 am-1:55 pm

1 stop16h 00m

Lambert-St Louis

Thu 12/25

11:05 am-11:50 pm

2 stops28h 45m

$1,458

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Bucharest Otopeni Intl Airport 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

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 Bucharest Otopeni Intl Airport 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.

When to book flights from Bucharest Otopeni Intl Airport to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Bucharest Otopeni Intl Airport to St. Louis according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Bucharest Otopeni Intl Airport to St. Louis (OTP to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Bucharest Otopeni Intl Airport to St. Louis

Direct flights	None

There are no direct flights from Bucharest Otopeni Intl Airport to St. Louis. There are no popular flight routes from Bucharest Otopeni Intl Airport to St. Louis.

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How far is Bucharest Otopeni Intl to Lambert-St Louis by plane?
Lambert-St Louis is 5451.7 mi away from Bucharest Otopeni Intl. A reasonable flight in good conditions will take 16h 00m.
When did momondo last update prices for flights from Bucharest Otopeni Intl Airport to Lambert-St Louis Airport?
Prices for flights from Bucharest Otopeni Intl Airport to Lambert-St Louis Airport are refreshed on a daily basis.
How old do you have to be to fly from Bucharest Otopeni Intl Airport to Lambert-St Louis Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Bucharest Otopeni Intl Airport to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The travel and health documents you'll need for your trip to Lambert-St Louis Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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Hermann

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Maryland Heights

Florissant

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 Bucharest to St. Louis?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Bucharest to St. Louis. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to St. Louis from Bucharest with this policy.

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

momondo helps you find the best flight between Bucharest and St. Louis by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to St. Louis, momondo offers a useful price alert feature which will track prices for flights to St. Louis from Bucharest and alert you when they change.