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Cheap flights from St. Louis to Bucharest from $427

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Bucharest

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
3:40 pm - 1:55 pmSTL  Lambert-St Louis-OTP Bucharest Otopeni Intl
14h 15m1 stop Frankfurt am Main
Lufthansa Logo
6:00 am - 2:45 pmOTP  Bucharest Otopeni Intl-STL Lambert-St Louis
15h 45m1 stop Frankfurt am Main
$734Lufthansa
Sun, Mar 7 - Wed, Mar 17
Lufthansa Logo
3:40 pm - 1:55 pmSTL  Lambert-St Louis-OTP Bucharest Otopeni Intl
14h 15m1 stop Frankfurt am Main
Lufthansa Logo
6:00 am - 2:45 pmOTP  Bucharest Otopeni Intl-STL Lambert-St Louis
15h 45m1 stop Frankfurt am Main
$742Lufthansa
Sun, Mar 7 - Wed, Mar 17
Lufthansa Logo
3:40 pm - 1:55 pmSTL  Lambert-St Louis-OTP Bucharest Otopeni Intl
14h 15m1 stop Frankfurt am Main
Lufthansa Logo
6:00 am - 2:45 pmOTP  Bucharest Otopeni Intl-STL Lambert-St Louis
15h 45m1 stop Frankfurt am Main
$746Lufthansa
Sun, Mar 7 - Wed, Mar 17
Lufthansa Logo
3:40 pm - 1:55 pmSTL  Lambert-St Louis-OTP Bucharest Otopeni Intl
14h 15m1 stop Frankfurt am Main
Lufthansa Logo
6:00 am - 2:45 pmOTP  Bucharest Otopeni Intl-STL Lambert-St Louis
15h 45m1 stop Frankfurt am Main
$747Lufthansa
Sun, Mar 7 - Wed, Mar 17
Delta Logo
5:45 pm - 11:15 pmSTL  Lambert-St Louis-OTP Bucharest Otopeni Intl
21h 30m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle
Delta Logo
6:00 am - 4:50 pmOTP  Bucharest Otopeni Intl-STL Lambert-St Louis
17h 50m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
$755Delta
Sun, Mar 7 - Wed, Mar 17
Multiple Airlines Logo
4:05 pm - 1:15 amSTL  Lambert-St Louis-OTP Bucharest Otopeni Intl
25h 10m2 stops Toronto Pearson Intl Zurich
Multiple Airlines Logo
6:00 am - 2:45 pmOTP  Bucharest Otopeni Intl-STL Lambert-St Louis
15h 45m1 stop Frankfurt am Main
$755Multiple Airlines
Sun, Mar 7 - Wed, Mar 17
Multiple Airlines Logo
4:05 pm - 3:50 pmSTL  Lambert-St Louis-OTP Bucharest Otopeni Intl
15h 45m2 stops Toronto Pearson Intl Zurich
Multiple Airlines Logo
6:00 am - 2:45 pmOTP  Bucharest Otopeni Intl-STL Lambert-St Louis
15h 45m1 stop Frankfurt am Main
$756Multiple Airlines
Sun, Mar 7 - Wed, Mar 17
United Airlines Logo
8:30 am - 1:55 pmSTL  Lambert-St Louis-OTP Bucharest Otopeni Intl
21h 25m2 stops Washington, D.C. Dulles Intl Frankfurt am Main
United Airlines Logo
5:55 am - 1:45 pmOTP  Bucharest Otopeni Intl-STL Lambert-St Louis
15h 50m1 stop Frankfurt am Main
$759United Airlines
Wed, Feb 3 - Fri, Feb 5
United Airlines Logo
8:30 am - 1:55 pmSTL  Lambert-St Louis-OTP Bucharest Otopeni Intl
21h 25m2 stops Washington, D.C. Dulles Intl Frankfurt am Main
United Airlines Logo
5:55 am - 1:45 pmOTP  Bucharest Otopeni Intl-STL Lambert-St Louis
15h 50m1 stop Frankfurt am Main
$760United Airlines
Wed, Feb 3 - Fri, Feb 5
United Airlines Logo
10:45 am - 1:55 pmSTL  Lambert-St Louis-OTP Bucharest Otopeni Intl
19h 10m2 stops Chicago O'Hare Intl Frankfurt am Main
United Airlines Logo
5:55 am - 4:19 pmOTP  Bucharest Otopeni Intl-STL Lambert-St Louis
42h 24m3 stops Frankfurt am Main Toronto Pearson Intl Newark
$766United Airlines
Wed, Feb 3 - Fri, Feb 5

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Lufthansa flights from St. Louis to Bucharest Otopeni Intl Airport

Our best Lufthansa deals on St. Louis to Bucharest Otopeni Intl Airport flight tickets
Lufthansa
Mar 7
STL3:40 pmLambert-St Louis
14h 15m
1 stop
OTP1:55 pmBucharest Otopeni Intl
Mar 17
OTP6:00 amBucharest Otopeni Intl
15h 45m
1 stop
STL2:45 pmLambert-St Louis
$734
Lufthansa
Mar 7
STL3:40 pmLambert-St Louis
14h 15m
1 stop
OTP1:55 pmBucharest Otopeni Intl
Mar 17
OTP6:00 amBucharest Otopeni Intl
15h 45m
1 stop
STL2:45 pmLambert-St Louis
$742
Lufthansa
Mar 7
STL3:40 pmLambert-St Louis
14h 15m
1 stop
OTP1:55 pmBucharest Otopeni Intl
Mar 17
OTP6:00 amBucharest Otopeni Intl
15h 45m
1 stop
STL2:45 pmLambert-St Louis
$746

United Airlines flights from St. Louis to Bucharest Otopeni Intl Airport

Our best United Airlines deals on St. Louis to Bucharest Otopeni Intl Airport flight tickets
United Airlines
Feb 3
STL8:30 amLambert-St Louis
21h 25m
2 stops
OTP1:55 pmBucharest Otopeni Intl
Feb 5
OTP5:55 amBucharest Otopeni Intl
15h 50m
1 stop
STL1:45 pmLambert-St Louis
$759
United Airlines
Feb 3
STL8:30 amLambert-St Louis
21h 25m
2 stops
OTP1:55 pmBucharest Otopeni Intl
Feb 5
OTP5:55 amBucharest Otopeni Intl
15h 50m
1 stop
STL1:45 pmLambert-St Louis
$760
United Airlines
Feb 3
STL10:45 amLambert-St Louis
19h 10m
2 stops
OTP1:55 pmBucharest Otopeni Intl
Feb 5
OTP5:55 amBucharest Otopeni Intl
42h 24m
3 stops
STL4:19 pmLambert-St Louis
$766

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

St. LouisBucharest

STL Lambert-St Louis - OTP Bucharest Otopeni Intl

STLOTP

Lambert-St Louis

Sun 3/7

3:40 pm-1:55 pm

1 stop14h 15m

Bucharest Otopeni Intl

Wed 3/17

6:00 am-2:45 pm

1 stop15h 45m

$734

St. LouisBucharest

STL Lambert-St Louis - OTP Bucharest Otopeni Intl

STLOTP

Lambert-St Louis

Sun 3/7

3:40 pm-1:55 pm

1 stop14h 15m

Bucharest Otopeni Intl

Wed 3/17

6:00 am-2:45 pm

1 stop15h 45m

$742

St. LouisBucharest

STL Lambert-St Louis - OTP Bucharest Otopeni Intl

STLOTP

Lambert-St Louis

Sun 3/7

3:40 pm-1:55 pm

1 stop14h 15m

Bucharest Otopeni Intl

Wed 3/17

6:00 am-2:45 pm

1 stop15h 45m

$746

St. LouisBucharest

STL Lambert-St Louis - OTP Bucharest Otopeni Intl

STLOTP

Lambert-St Louis

Sun 3/7

3:40 pm-1:55 pm

1 stop14h 15m

Bucharest Otopeni Intl

Wed 3/17

6:00 am-2:45 pm

1 stop15h 45m

$747

St. LouisBucharest

STL Lambert-St Louis - OTP Bucharest Otopeni Intl

STLOTP

Lambert-St Louis

Sun 3/7

5:45 pm-11:15 pm

2 stops21h 30m

Bucharest Otopeni Intl

Wed 3/17

6:00 am-4:50 pm

2 stops17h 50m

$755

St. LouisBucharest

STL Lambert-St Louis - OTP Bucharest Otopeni Intl

STLOTP

Lambert-St Louis

Sun 3/7

4:05 pm-1:15 am

2 stops25h 10m

Bucharest Otopeni Intl

Wed 3/17

6:00 am-2:45 pm

1 stop15h 45m

$755

St. LouisBucharest

STL Lambert-St Louis - OTP Bucharest Otopeni Intl

STLOTP

Lambert-St Louis

Sun 3/7

4:05 pm-3:50 pm

2 stops15h 45m

Bucharest Otopeni Intl

Wed 3/17

6:00 am-2:45 pm

1 stop15h 45m

$756

St. LouisBucharest

STL Lambert-St Louis - OTP Bucharest Otopeni Intl

STLOTP

Lambert-St Louis

Wed 2/3

8:30 am-1:55 pm

2 stops21h 25m

Bucharest Otopeni Intl

Fri 2/5

5:55 am-1:45 pm

1 stop15h 50m

$759

St. LouisBucharest

STL Lambert-St Louis - OTP Bucharest Otopeni Intl

STLOTP

Lambert-St Louis

Wed 2/3

8:30 am-1:55 pm

2 stops21h 25m

Bucharest Otopeni Intl

Fri 2/5

5:55 am-1:45 pm

1 stop15h 50m

$760

St. LouisBucharest

STL Lambert-St Louis - OTP Bucharest Otopeni Intl

STLOTP

Lambert-St Louis

Wed 2/3

10:45 am-1:55 pm

2 stops19h 10m

Bucharest Otopeni Intl

Fri 2/5

5:55 am-4:19 pm

3 stops42h 24m

$766

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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How to get the cheapest flight ticket from St. Louis to Bucharest Otopeni Intl Airport

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

Can stopping save me money on St. Louis to Bucharest Otopeni Intl Airport flights?

You could potentially save up to 50% on your flight if you consider stops on a St. Louis to Bucharest Otopeni Intl Airport flight.

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

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

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

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

Best Price Found

$427

Fastest flight time

14h 15m

Direct flights

None
The best one-way flight to Bucharest Otopeni Intl Airport from St. Louis in the past 72 hours is $427. The best round-trip flight deal from St. Louis to Bucharest Otopeni Intl Airport found on momondo in the last 72 hours is $734.
The fastest flight from St. Louis to Bucharest Otopeni Intl Airport takes 14h 15m
There are no direct flights from St. Louis to Bucharest Otopeni Intl Airport. There are no popular flight routes from St. Louis to Bucharest Otopeni Intl Airport.
Search flight deals

Frequently asked questions about flying from St. Louis to Bucharest Otopeni Intl Airport

  • How far is Lambert-St Louis to Bucharest Otopeni Intl by plane?

    The straight-line distance from Lambert-St Louis to Bucharest Otopeni Intl is 5451.7 mi. In terms of flight time, this usually takes a little over 14h 15m.

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

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

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

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

  • What documentation or ID do you need to fly to Bucharest Otopeni Intl Airport?

    The travel and health documents you'll need for your trip to Bucharest Otopeni Intl 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 Bucharest Otopeni Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from St. Louis to Bucharest Otopeni Intl Airport?

Best airlines flying from St. Louis to Bucharest Otopeni Intl Airport

Compare and see reviews for airlines that fly from St. Louis to Bucharest Otopeni Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $574Free CancellationRating
7.3
10,455 reviews
Search United Airlines flights
LufthansaPriceFrom $780Free CancellationRating
6.8
8,297 reviews
Search Lufthansa flights

Traveling to a place near Bucharest?

Book flights to Bucharest if you plan to visit one of these locations
Otopeni

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