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

Delta, KLM, and Lufthansa are the most popular carriers operating from Bucharest to Lambert-St Louis

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

Prices for flights from Bucharest to Lambert-St Louis Airport refresh daily.

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

The number of operators available for flights from Bucharest to Lambert-St Louis Airport is 1 as of August 2025.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Bucharest to Lambert-St Louis Airport.

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

The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$616 Cheap Flights from Bucharest to St. Louis in 2025

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Find the cheapest flights from Bucharest to St. Louis

Round-trip

One-way

Cheap round-trip flights

6:00 am - 7:38 pmOTP-STL

45h 38m2 stops

1:30 pm - 3:20 pmSTL-OTP

41h 50m2 stops

$649Air Canada

Find Deal

mar., sep. 16 - mar., oct. 14

6:30 am - 7:38 pmOTP-STL

21h 08m2 stops

1:30 pm - 3:20 pmSTL-OTP

41h 50m2 stops

$659Air Canada

Find Deal

mié., sep. 17 - mié., oct. 15

6:00 am - 3:44 pmOTP-STL

17h 44m2 stops

3:30 pm - 5:55 pmSTL-OTP

18h 25m1 stop

$663Lufthansa

Find Deal

mié., sep. 17 - mié., oct. 15

6:00 am - 1:30 pmOTP-STL

15h 30m1 stop

3:30 pm - 5:55 pmSTL-OTP

18h 25m1 stop

$725Lufthansa

Find Deal

mié., sep. 17 - mié., oct. 15

6:40 pm - 1:30 pmOTP-STL

26h 50m1 stop

11:39 am - 11:55 amSTL-OTP

16h 16m2 stops

$742Lufthansa

Find Deal

mar., sep. 16 - mar., oct. 14

8:20 pm - 11:27 amOTP-STL

47h 07m3 stops

9:15 am - 1:35 amSTL-OTP

32h 20m2 stops

$998

Find Deal

mié., sep. 17 - mié., oct. 15

8:20 pm - 11:27 amOTP-STL

47h 07m3 stops

9:15 am - 6:45 pmSTL-OTP

25h 30m3 stops

$1,038

Find Deal

mié., sep. 17 - mié., oct. 15

6:30 am - 7:38 pmOTP-STL

21h 08m2 stops

9:15 am - 2:00 pmSTL-OTP

20h 45m3 stops

$1,347

Find Deal

mar., sep. 16 - mar., oct. 14

9:00 pm - 7:38 pmOTP-STL

30h 38m3 stops

9:15 am - 2:00 pmSTL-OTP

20h 45m3 stops

$1,427

Find Deal

mar., sep. 16 - mar., oct. 14

2:20 am - 9:32 pmOTP-STL

27h 12m2 stops

3:23 pm - 1:20 amSTL-OTP

25h 57m2 stops

$4,052Emirates

Find Deal

mar., sep. 16 - mié., oct. 15

Air Canada flights from Bucharest to St. Louis

Our best Air Canada deals on Bucharest to St. Louis flight tickets

Air Canada

Sep 16

OTP6:00 amBucharest Otopeni Intl

45h 38m

2 stops

STL7:38 pmLambert-St Louis

Oct 14

STL1:30 pmLambert-St Louis

41h 50m

2 stops

OTP3:20 pmBucharest Otopeni Intl

$649

Find similar

Air Canada

Sep 17

OTP6:30 amBucharest Otopeni Intl

21h 08m

2 stops

STL7:38 pmLambert-St Louis

Oct 15

STL1:30 pmLambert-St Louis

41h 50m

2 stops

OTP3:20 pmBucharest Otopeni Intl

$659

Find similar

Lufthansa flights from Bucharest to St. Louis

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

Lufthansa

Sep 17

OTP6:00 amBucharest Otopeni Intl

17h 44m

2 stops

STL3:44 pmLambert-St Louis

Oct 15

STL3:30 pmLambert-St Louis

18h 25m

1 stop

OTP5:55 pmBucharest Otopeni Intl

$663

Find similar

Lufthansa

Sep 17

OTP6:00 amBucharest Otopeni Intl

15h 30m

1 stop

STL1:30 pmLambert-St Louis

Oct 15

STL3:30 pmLambert-St Louis

18h 25m

1 stop

OTP5:55 pmBucharest Otopeni Intl

$725

Find similar

Lufthansa

Sep 16

OTP6:40 pmBucharest Otopeni Intl

26h 50m

1 stop

STL1:30 pmLambert-St Louis

Oct 14

STL11:39 amLambert-St Louis

16h 16m

2 stops

OTP11:55 amBucharest Otopeni Intl

$742

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

mar. 9/16

6:00 am-7:38 pm

2 stops45h 38m

Lambert-St Louis

mar. 10/14

1:30 pm-3:20 pm

2 stops41h 50m

$649

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

mié. 9/17

6:30 am-7:38 pm

2 stops21h 08m

Lambert-St Louis

mié. 10/15

1:30 pm-3:20 pm

2 stops41h 50m

$659

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

mié. 9/17

6:00 am-3:44 pm

2 stops17h 44m

Lambert-St Louis

mié. 10/15

3:30 pm-5:55 pm

1 stop18h 25m

$663

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

mié. 9/17

6:00 am-1:30 pm

1 stop15h 30m

Lambert-St Louis

mié. 10/15

3:30 pm-5:55 pm

1 stop18h 25m

$725

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

mar. 9/16

6:40 pm-1:30 pm

1 stop26h 50m

Lambert-St Louis

mar. 10/14

11:39 am-11:55 am

2 stops16h 16m

$742

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

mié. 9/17

8:20 pm-11:27 am

3 stops47h 07m

Lambert-St Louis

mié. 10/15

9:15 am-1:35 am

2 stops32h 20m

$998

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

mié. 9/17

8:20 pm-11:27 am

3 stops47h 07m

Lambert-St Louis

mié. 10/15

9:15 am-6:45 pm

3 stops25h 30m

$1,038

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

mar. 9/16

6:30 am-7:38 pm

2 stops21h 08m

Lambert-St Louis

mar. 10/14

9:15 am-2:00 pm

3 stops20h 45m

$1,347

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

mar. 9/16

9:00 pm-7:38 pm

3 stops30h 38m

Lambert-St Louis

mar. 10/14

9:15 am-2:00 pm

3 stops20h 45m

$1,427

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

mar. 9/16

2:20 am-9:32 pm

2 stops27h 12m

Lambert-St Louis

mié. 10/15

3:23 pm-1:20 am

2 stops25h 57m

$4,052

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

How to get the cheapest flight ticket from Bucharest 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

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 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 to St. Louis

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

Estimated round-trip price

Cheap Bucharest to St. Louis (BUH to STL) flight deals and tips

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

Best Price Found	$678
Fastest flight time	15h 30m
Direct flights	None
Airports in St. Louis	1 airport

The best one-way flight to St. Louis from Bucharest in the past 72 hours is $678. The best round-trip flight deal from Bucharest to St. Louis found on momondo in the last 72 hours is $649.

The fastest flight from Bucharest to St. Louis takes 15h 30m

There are no direct flights from Bucharest to St. Louis. Popular non-direct route for this connection is Bucharest Otopeni Intl Airport - Lambert-St Louis Airport.

There is 1 airport near St. Louis: Lambert-St Louis (STL)

Search flight deals

How far is Bucharest to Lambert-St Louis by plane?
Lambert-St Louis is 5458.3 mi away from Bucharest. Typically, this will take 15h 30m by plane in normal conditions.
When did momondo last update prices for flights from Bucharest to Lambert-St Louis Airport?
Prices for flights from Bucharest to Lambert-St Louis Airport refresh daily.
How many operators does momondo search for flights from Bucharest to Lambert-St Louis Airport?
The number of operators available for flights from Bucharest to Lambert-St Louis Airport is 1 as of August 2025.
How old do you have to be to fly from Bucharest to Lambert-St Louis Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Bucharest to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Bucharest to St. Louis

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

Airline	Rating	Free Cancellation	Price
Lufthansa	PriceFrom $720	Free Cancellation	Rating 6.8 7,285 reviews		Search Lufthansa flights

St. Charles

Chesterfield

Hermann

Fairview Heights

Maryland Heights

Florissant

Fenton

Collinsville

O'Fallon

Alton

St. Peters

Farmington

Wentzville

Festus

Glencoe

Eureka

Edwardsville

Clayton

Shrewsbury

Grafton

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Bucharest to St. Louis. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Bucharest to St. Louis on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Bucharest to St. Louis flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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.